/* Copyright (c) 2006-2010 Gluster, Inc. This file is part of GlusterFS. GlusterFS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. GlusterFS is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifndef _CONFIG_H #define _CONFIG_H #include "config.h" #endif #include #include #include #include #include "transport.h" #include "fnmatch.h" #include "xlator.h" #include "protocol.h" #include "server-protocol.h" #include "server-helpers.h" #include "call-stub.h" #include "defaults.h" #include "list.h" #include "dict.h" #include "compat.h" #include "compat-errno.h" #include "statedump.h" #include "md5.h" static void print_caller (char *str, int size, call_frame_t *frame) { int filled = 0; server_state_t *state = NULL; transport_t *trans = NULL; state = CALL_STATE (frame); trans = state->trans; filled += snprintf (str + filled, size - filled, " Callid=%"PRId64", Client=%s", frame->root->unique, trans->peerinfo.identifier); return; } static void server_print_resolve (char *str, int size, server_resolve_t *resolve) { int filled = 0; if (!resolve) { snprintf (str, size, ""); return; } filled += snprintf (str + filled, size - filled, " Resolve={"); if (resolve->fd_no != -1) filled += snprintf (str + filled, size - filled, "fd=%"PRId64",", (uint64_t) resolve->fd_no); if (resolve->ino) filled += snprintf (str + filled, size - filled, "ino=%"PRIu64",", (uint64_t) resolve->ino); if (resolve->par) filled += snprintf (str + filled, size - filled, "par=%"PRIu64",", (uint64_t) resolve->par); if (resolve->gen) filled += snprintf (str + filled, size - filled, "gen=%"PRIu64",", (uint64_t) resolve->gen); if (resolve->bname) filled += snprintf (str + filled, size - filled, "bname=%s,", resolve->bname); if (resolve->path) filled += snprintf (str + filled, size - filled, "path=%s", resolve->path); filled += snprintf (str + filled, size - filled, "}"); } static void server_print_loc (char *str, int size, loc_t *loc) { int filled = 0; if (!loc) { snprintf (str, size, ""); return; } filled += snprintf (str + filled, size - filled, " Loc={"); if (loc->path) filled += snprintf (str + filled, size - filled, "path=%s,", loc->path); if (loc->inode) filled += snprintf (str + filled, size - filled, "inode=%p,", loc->inode); if (loc->parent) filled += snprintf (str + filled, size - filled, "parent=%p", loc->parent); filled += snprintf (str + filled, size - filled, "}"); } static void server_print_params (char *str, int size, server_state_t *state) { int filled = 0; filled += snprintf (str + filled, size - filled, " Params={"); if (state->fd) filled += snprintf (str + filled, size - filled, "fd=%p,", state->fd); if (state->valid) filled += snprintf (str + filled, size - filled, "valid=%d,", state->valid); if (state->flags) filled += snprintf (str + filled, size - filled, "flags=%d,", state->flags); if (state->wbflags) filled += snprintf (str + filled, size - filled, "wbflags=%d,", state->wbflags); if (state->size) filled += snprintf (str + filled, size - filled, "size=%zu,", state->size); if (state->offset) filled += snprintf (str + filled, size - filled, "offset=%"PRId64",", state->offset); if (state->cmd) filled += snprintf (str + filled, size - filled, "cmd=%d,", state->cmd); if (state->type) filled += snprintf (str + filled, size - filled, "type=%d,", state->type); if (state->name) filled += snprintf (str + filled, size - filled, "name=%s,", state->name); if (state->mask) filled += snprintf (str + filled, size - filled, "mask=%d,", state->mask); if (state->volume) filled += snprintf (str + filled, size - filled, "volume=%s,", state->volume); filled += snprintf (str + filled, size - filled, "bound_xl=%s}", state->bound_xl->name); } static int server_resolve_is_empty (server_resolve_t *resolve) { if (resolve->fd_no != -1) return 0; if (resolve->ino != 0) return 0; if (resolve->gen != 0) return 0; if (resolve->par != 0) return 0; if (resolve->path != 0) return 0; if (resolve->bname != 0) return 0; return 1; } void gf_server_print_request (call_frame_t *frame) { server_conf_t *conf = NULL; xlator_t *this = NULL; server_state_t *state = NULL; char resolve_vars[256]; char resolve2_vars[256]; char loc_vars[256]; char loc2_vars[256]; char other_vars[512]; char caller[512]; char *op = "UNKNOWN"; this = frame->this; conf = this->private; state = CALL_STATE (frame); if (!conf->trace) return; memset (resolve_vars, '\0', 256); memset (resolve2_vars, '\0', 256); memset (loc_vars, '\0', 256); memset (loc2_vars, '\0', 256); memset (other_vars, '\0', 256); print_caller (caller, 256, frame); if (!server_resolve_is_empty (&state->resolve)) { server_print_resolve (resolve_vars, 256, &state->resolve); server_print_loc (loc_vars, 256, &state->loc); } if (!server_resolve_is_empty (&state->resolve2)) { server_print_resolve (resolve2_vars, 256, &state->resolve2); server_print_loc (loc2_vars, 256, &state->loc2); } server_print_params (other_vars, 512, state); switch (frame->root->type) { case GF_OP_TYPE_FOP_REQUEST: case GF_OP_TYPE_FOP_REPLY: op = gf_fop_list[frame->root->op]; break; case GF_OP_TYPE_MOP_REQUEST: case GF_OP_TYPE_MOP_REPLY: op = gf_mop_list[frame->root->op]; break; case GF_OP_TYPE_CBK_REQUEST: case GF_OP_TYPE_CBK_REPLY: op = gf_cbk_list[frame->root->op]; break; } gf_log (this->name, GF_LOG_NORMAL, "%s%s%s%s%s%s%s", gf_fop_list[frame->root->op], caller, resolve_vars, loc_vars, resolve2_vars, loc2_vars, other_vars); } static void server_print_reply (call_frame_t *frame, int op_ret, int op_errno) { server_conf_t *conf = NULL; server_state_t *state = NULL; xlator_t *this = NULL; char caller[512]; char fdstr[32]; char *op = "UNKNOWN"; this = frame->this; conf = this->private; if (!conf->trace) return; state = CALL_STATE (frame); print_caller (caller, 256, frame); switch (frame->root->type) { case GF_OP_TYPE_FOP_REQUEST: case GF_OP_TYPE_FOP_REPLY: op = gf_fop_list[frame->root->op]; break; case GF_OP_TYPE_MOP_REQUEST: case GF_OP_TYPE_MOP_REPLY: op = gf_mop_list[frame->root->op]; break; case GF_OP_TYPE_CBK_REQUEST: case GF_OP_TYPE_CBK_REPLY: op = gf_cbk_list[frame->root->op]; break; } fdstr[0] = '\0'; if (state->fd) snprintf (fdstr, 32, " fd=%p", state->fd); gf_log (this->name, GF_LOG_NORMAL, "%s%s => (%d, %d)%s", op, caller, op_ret, op_errno, fdstr); } static void protocol_server_reply (call_frame_t *frame, int type, int op, gf_hdr_common_t *hdr, size_t hdrlen, struct iovec *vector, int count, struct iobref *iobref) { server_state_t *state = NULL; xlator_t *bound_xl = NULL; transport_t *trans = NULL; int ret = 0; xlator_t *this = NULL; bound_xl = BOUND_XL (frame); state = CALL_STATE (frame); trans = state->trans; this = frame->this; hdr->callid = hton64 (frame->root->unique); hdr->type = hton32 (type); hdr->op = hton32 (op); server_print_reply (frame, ntoh32 (hdr->rsp.op_ret), gf_error_to_errno (ntoh32 (hdr->rsp.op_errno))); ret = transport_submit (trans, (char *)hdr, hdrlen, vector, count, iobref); if (ret < 0) { gf_log ("protocol/server", GF_LOG_ERROR, "frame %"PRId64": failed to submit. op= %d, type= %d", frame->root->unique, op, type); } STACK_DESTROY (frame->root); if (state) free_old_server_state (state); } static int gf_add_locker (struct _lock_table *table, const char *volume, loc_t *loc, fd_t *fd, pid_t pid) { int32_t ret = -1; struct _locker *new = NULL; uint8_t dir = 0; new = GF_CALLOC (1, sizeof (struct _locker), gf_server_mt_locker); if (new == NULL) { gf_log ("server", GF_LOG_ERROR, "failed to allocate memory for \'struct _locker\'"); goto out; } INIT_LIST_HEAD (&new->lockers); new->volume = gf_strdup (volume); if (fd == NULL) { loc_copy (&new->loc, loc); dir = IA_ISDIR (new->loc.inode->ia_type); } else { new->fd = fd_ref (fd); dir = IA_ISDIR (fd->inode->ia_type); } new->pid = pid; LOCK (&table->lock); { if (dir) list_add_tail (&new->lockers, &table->dir_lockers); else list_add_tail (&new->lockers, &table->file_lockers); } UNLOCK (&table->lock); out: return ret; } static int gf_del_locker (struct _lock_table *table, const char *volume, loc_t *loc, fd_t *fd, pid_t pid) { struct _locker *locker = NULL; struct _locker *tmp = NULL; int32_t ret = 0; uint8_t dir = 0; struct list_head *head = NULL; struct list_head del; INIT_LIST_HEAD (&del); if (fd) { dir = IA_ISDIR (fd->inode->ia_type); } else { dir = IA_ISDIR (loc->inode->ia_type); } LOCK (&table->lock); { if (dir) { head = &table->dir_lockers; } else { head = &table->file_lockers; } list_for_each_entry_safe (locker, tmp, head, lockers) { if (locker->fd && fd && (locker->fd == fd) && (locker->pid == pid) && !strcmp (locker->volume, volume)) { list_move_tail (&locker->lockers, &del); } else if (locker->loc.inode && loc && (locker->loc.inode == loc->inode) && (locker->pid == pid) && !strcmp (locker->volume, volume)) { list_move_tail (&locker->lockers, &del); } } } UNLOCK (&table->lock); tmp = NULL; locker = NULL; list_for_each_entry_safe (locker, tmp, &del, lockers) { list_del_init (&locker->lockers); if (locker->fd) fd_unref (locker->fd); else loc_wipe (&locker->loc); GF_FREE (locker->volume); GF_FREE (locker); } return ret; } /* * server_lk_cbk - lk callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @lock: * * not for external reference */ static int server_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct gf_flock *lock) { gf_hdr_common_t *hdr = NULL; gf_fop_lk_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { gf_flock_from_flock (&rsp->flock, lock); } else if (op_errno != ENOSYS) { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_TRACE, "%"PRId64": LK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LK, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_inodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_inodelk_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; conn = SERVER_CONNECTION(frame); state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { if (state->flock.l_type == F_UNLCK) gf_del_locker (conn->ltable, state->volume, &state->loc, NULL, frame->root->pid); else gf_add_locker (conn->ltable, state->volume, &state->loc, NULL, frame->root->pid); } else if (op_errno != ENOSYS) { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": INODELK %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_INODELK, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_finodelk_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; conn = SERVER_CONNECTION(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); state = CALL_STATE(frame); if (op_ret >= 0) { if (state->flock.l_type == F_UNLCK) gf_del_locker (conn->ltable, state->volume, NULL, state->fd, frame->root->pid); else gf_add_locker (conn->ltable, state->volume, NULL, state->fd, frame->root->pid); } else if (op_errno != ENOSYS) { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": FINODELK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FINODELK, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_entrylk_cbk - * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @lock: * * not for external reference */ static int server_entrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_entrylk_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; conn = SERVER_CONNECTION(frame); state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { if (state->cmd == ENTRYLK_UNLOCK) gf_del_locker (conn->ltable, state->volume, &state->loc, NULL, frame->root->pid); else gf_add_locker (conn->ltable, state->volume, &state->loc, NULL, frame->root->pid); } else if (op_errno != ENOSYS) { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": INODELK %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_ENTRYLK, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_fentrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_fentrylk_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; conn = SERVER_CONNECTION(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); state = CALL_STATE(frame); if (op_ret >= 0) { if (state->cmd == ENTRYLK_UNLOCK) gf_del_locker (conn->ltable, state->volume, NULL, state->fd, frame->root->pid); else gf_add_locker (conn->ltable, state->volume, NULL, state->fd, frame->root->pid); } else if (op_errno != ENOSYS) { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": FENTRYLK %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FENTRYLK, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_access_cbk - access callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_fop_access_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_ACCESS, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_rmdir_cbk - rmdir callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_rmdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preparent, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_rmdir_rsp_t *rsp = NULL; server_state_t *state = NULL; int32_t gf_errno = 0; size_t hdrlen = 0; inode_t *parent = NULL; state = CALL_STATE(frame); if (op_ret == 0) { inode_unlink (state->loc.inode, state->loc.parent, state->loc.name); parent = inode_parent (state->loc.inode, 0, NULL); if (parent) inode_unref (parent); else inode_forget (state->loc.inode, 0); } else { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": RMDIR %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_RMDIR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_mkdir_cbk - mkdir callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_mkdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *stbuf, struct iatt *preparent, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_mkdir_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; inode_t *link_inode = NULL; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { gf_stat_from_iatt (&rsp->stat, stbuf); gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); link_inode = inode_link (inode, state->loc.parent, state->loc.name, stbuf); inode_lookup (link_inode); inode_unref (link_inode); } else { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": MKDIR %s ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_MKDIR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_mknod_cbk - mknod callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *stbuf, struct iatt *preparent, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_mknod_rsp_t *rsp = NULL; server_state_t *state = NULL; int32_t gf_errno = 0; size_t hdrlen = 0; inode_t *link_inode = NULL; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { gf_stat_from_iatt (&rsp->stat, stbuf); gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); link_inode = inode_link (inode, state->loc.parent, state->loc.name, stbuf); inode_lookup (link_inode); inode_unref (link_inode); } else { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": MKNOD %s ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_MKNOD, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_fsyncdir_cbk - fsyncdir callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_fop_fsyncdir_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); if (op_ret < 0) { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_TRACE, "%"PRId64": FSYNCDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSYNCDIR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_readdir_cbk - getdents callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) { gf_hdr_common_t *hdr = NULL; gf_fop_readdir_rsp_t *rsp = NULL; size_t hdrlen = 0; size_t buf_size = 0; int32_t gf_errno = 0; server_state_t *state = NULL; if (op_ret > 0) buf_size = gf_dirent_serialize (entries, NULL, 0); hdrlen = gf_hdr_len (rsp, buf_size); hdr = gf_hdr_new (rsp, buf_size); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret > 0) { rsp->size = hton32 (buf_size); gf_dirent_serialize (entries, rsp->buf, buf_size); } else { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_TRACE, "%"PRId64": READDIR %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READDIR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_releasedir_cbk - releasedir callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * * not for external reference */ static int server_releasedir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_cbk_releasedir_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_RELEASEDIR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_opendir_cbk - opendir callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * @fd: file descriptor structure of opened directory * * not for external reference */ static int server_opendir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_opendir_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; uint64_t fd_no = 0; conn = SERVER_CONNECTION (frame); state = CALL_STATE (frame); if (op_ret >= 0) { fd_bind (fd); fd_no = gf_fd_unused_get (conn->fdtable, fd); fd_ref (fd); // on behalf of the client } else { gf_log (this->name, GF_LOG_TRACE, "%"PRId64": OPENDIR %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); rsp->fd = hton64 (fd_no); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_OPENDIR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_statfs_cbk - statfs callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * @buf: * * not for external reference */ static int server_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct statvfs *buf) { gf_hdr_common_t *hdr = NULL; gf_fop_statfs_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { gf_statfs_from_statfs (&rsp->statfs, buf); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_STATFS, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_removexattr_cbk - removexattr callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * * not for external reference */ static int server_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_fop_removexattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_REMOVEXATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_getxattr_cbk - getxattr callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * @value: * * not for external reference */ static int server_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *dict) { gf_hdr_common_t *hdr = NULL; gf_fop_getxattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t len = 0; int32_t gf_errno = 0; int32_t ret = -1; state = CALL_STATE (frame); if (op_ret >= 0) { len = dict_serialized_length (dict); if (len < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to get serialized length of " "reply dict", state->loc.path, state->resolve.ino); op_ret = -1; op_errno = EINVAL; len = 0; } } hdrlen = gf_hdr_len (rsp, len + 1); hdr = gf_hdr_new (rsp, len + 1); rsp = gf_param (hdr); if (op_ret >= 0) { ret = dict_serialize (dict, rsp->dict); if (len < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to serialize reply dict", state->loc.path, state->resolve.ino); op_ret = -1; op_errno = -ret; } } rsp->dict_len = hton32 (len); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_GETXATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *dict) { gf_hdr_common_t *hdr = NULL; gf_fop_fgetxattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t len = 0; int32_t gf_errno = 0; int32_t ret = -1; state = CALL_STATE (frame); if (op_ret >= 0) { len = dict_serialized_length (dict); if (len < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to get serialized length of " "reply dict", state->loc.path, state->resolve.ino); op_ret = -1; op_errno = EINVAL; len = 0; } } hdrlen = gf_hdr_len (rsp, len + 1); hdr = gf_hdr_new (rsp, len + 1); rsp = gf_param (hdr); if (op_ret >= 0) { ret = dict_serialize (dict, rsp->dict); if (len < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to serialize reply dict", state->loc.path, state->resolve.ino); op_ret = -1; op_errno = -ret; } } rsp->dict_len = hton32 (len); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FGETXATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_setxattr_cbk - setxattr callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * * not for external reference */ static int server_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_fop_setxattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SETXATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_fop_fsetxattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSETXATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_rename_cbk - rename callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * * not for external reference */ static int server_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *stbuf, struct iatt *preoldparent, struct iatt *postoldparent, struct iatt *prenewparent, struct iatt *postnewparent) { gf_hdr_common_t *hdr = NULL; gf_fop_rename_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { stbuf->ia_ino = state->loc.inode->ino; stbuf->ia_type = state->loc.inode->ia_type; gf_log (state->bound_xl->name, GF_LOG_TRACE, "%"PRId64": RENAME_CBK (%"PRId64") %"PRId64"/%s " "==> %"PRId64"/%s", frame->root->unique, state->loc.inode->ino, state->loc.parent->ino, state->loc.name, state->loc2.parent->ino, state->loc2.name); inode_rename (state->itable, state->loc.parent, state->loc.name, state->loc2.parent, state->loc2.name, state->loc.inode, stbuf); gf_stat_from_iatt (&rsp->stat, stbuf); gf_stat_from_iatt (&rsp->preoldparent, preoldparent); gf_stat_from_iatt (&rsp->postoldparent, postoldparent); gf_stat_from_iatt (&rsp->prenewparent, prenewparent); gf_stat_from_iatt (&rsp->postnewparent, postnewparent); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_RENAME, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_unlink_cbk - unlink callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * * not for external reference */ static int server_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *preparent, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_unlink_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; inode_t *parent = NULL; state = CALL_STATE(frame); if (op_ret == 0) { gf_log (state->bound_xl->name, GF_LOG_TRACE, "%"PRId64": UNLINK_CBK %"PRId64"/%s (%"PRId64")", frame->root->unique, state->loc.parent->ino, state->loc.name, state->loc.inode->ino); inode_unlink (state->loc.inode, state->loc.parent, state->loc.name); parent = inode_parent (state->loc.inode, 0, NULL); if (parent) inode_unref (parent); else inode_forget (state->loc.inode, 0); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": UNLINK %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_UNLINK, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_symlink_cbk - symlink callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: return value * @op_errno: errno * * not for external reference */ static int server_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *stbuf, struct iatt *preparent, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_symlink_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; inode_t *link_inode = NULL; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); if (op_ret >= 0) { gf_stat_from_iatt (&rsp->stat, stbuf); gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); link_inode = inode_link (inode, state->loc.parent, state->loc.name, stbuf); inode_lookup (link_inode); inode_unref (link_inode); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": SYMLINK %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SYMLINK, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_link_cbk - link callback for server protocol * @frame: call frame * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *stbuf, struct iatt *preparent, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_link_rsp_t *rsp = NULL; server_state_t *state = NULL; int32_t gf_errno = 0; size_t hdrlen = 0; inode_t *link_inode = NULL; state = CALL_STATE(frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { stbuf->ia_ino = state->loc.inode->ino; gf_stat_from_iatt (&rsp->stat, stbuf); gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); gf_log (state->bound_xl->name, GF_LOG_TRACE, "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s", frame->root->unique, inode->ino, state->loc2.parent->ino, state->loc2.name, state->loc.parent->ino, state->loc.name); link_inode = inode_link (inode, state->loc2.parent, state->loc2.name, stbuf); inode_unref (link_inode); } else { gf_log (state->bound_xl->name, GF_LOG_DEBUG, "%"PRId64": LINK (%"PRId64") %"PRId64"/%s ==> %"PRId64"/%s " " ==> %"PRId32" (%s)", frame->root->unique, state->resolve2.ino, state->resolve2.par, state->resolve2.bname, state->resolve.par, state->resolve.bname, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LINK, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_truncate_cbk - truncate callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_truncate_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { gf_stat_from_iatt (&rsp->prestat, prebuf); gf_stat_from_iatt (&rsp->poststat, postbuf); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": TRUNCATE %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_TRUNCATE, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_fstat_cbk - fstat callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *stbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_fstat_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { gf_stat_from_iatt (&rsp->stat, stbuf); } else { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": FSTAT %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSTAT, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_ftruncate_cbk - ftruncate callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_ftruncate_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret == 0) { gf_stat_from_iatt (&rsp->prestat, prebuf); gf_stat_from_iatt (&rsp->poststat, postbuf); } else { state = CALL_STATE (frame); gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": FTRUNCATE %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FTRUNCATE, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_flush_cbk - flush callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_fop_flush_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; if (op_ret < 0) { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": FLUSH %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FLUSH, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_fsync_cbk - fsync callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_fsync_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; if (op_ret < 0) { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": FSYNC %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { gf_stat_from_iatt (&(rsp->prestat), prebuf); gf_stat_from_iatt (&(rsp->poststat), postbuf); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSYNC, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_release_cbk - rleease callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_release_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno) { gf_hdr_common_t *hdr = NULL; gf_cbk_release_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_CBK_REPLY, GF_CBK_RELEASE, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_writev_cbk - writev callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_write_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); if (op_ret >= 0) { gf_stat_from_iatt (&rsp->prestat, prebuf); gf_stat_from_iatt (&rsp->poststat, postbuf); } else { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": WRITEV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_WRITE, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_readv_cbk - readv callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @vector: * @count: * * not for external reference */ static int server_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iovec *vector, int32_t count, struct iatt *stbuf, struct iobref *iobref) { gf_hdr_common_t *hdr = NULL; gf_fop_read_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; server_state_t *state = NULL; hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { gf_stat_from_iatt (&rsp->stat, stbuf); } else { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": READV %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READ, hdr, hdrlen, vector, count, iobref); return 0; } /* * server_open_cbk - open callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @fd: * * not for external reference */ static int server_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_open_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; uint64_t fd_no = 0; conn = SERVER_CONNECTION (frame); state = CALL_STATE (frame); if (op_ret >= 0) { fd_bind (fd); fd_no = gf_fd_unused_get (conn->fdtable, fd); fd_ref (fd); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": OPEN %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); rsp->fd = hton64 (fd_no); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_OPEN, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_create_cbk - create callback for server * @frame: call frame * @cookie: * @this: translator structure * @op_ret: * @op_errno: * @fd: file descriptor * @inode: inode structure * @stbuf: struct iatt of created file * * not for external reference */ static int server_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode, struct iatt *stbuf, struct iatt *preparent, struct iatt *postparent) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; gf_fop_create_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; uint64_t fd_no = 0; inode_t *link_inode = NULL; conn = SERVER_CONNECTION (frame); state = CALL_STATE (frame); if (op_ret >= 0) { gf_log (state->bound_xl->name, GF_LOG_TRACE, "%"PRId64": CREATE %"PRId64"/%s (%"PRId64")", frame->root->unique, state->loc.parent->ino, state->loc.name, stbuf->ia_ino); link_inode = inode_link (inode, state->loc.parent, state->loc.name, stbuf); if (link_inode != inode) { /* VERY racy code (if used anywhere else) -- don't do this without understanding */ inode_unref (fd->inode); fd->inode = inode_ref (link_inode); } inode_lookup (link_inode); inode_unref (link_inode); fd_bind (fd); fd_no = gf_fd_unused_get (conn->fdtable, fd); fd_ref (fd); if ((fd_no < 0) || (fd == 0)) { op_ret = fd_no; op_errno = errno; } } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": CREATE %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); rsp->fd = hton64 (fd_no); if (op_ret >= 0) { gf_stat_from_iatt (&rsp->stat, stbuf); gf_stat_from_iatt (&rsp->preparent, preparent); gf_stat_from_iatt (&rsp->postparent, postparent); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_CREATE, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_readlink_cbk - readlink callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @buf: * * not for external reference */ static int server_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, const char *buf, struct iatt *sbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_readlink_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; size_t linklen = 0; int32_t gf_errno = 0; state = CALL_STATE(frame); if (op_ret >= 0) { linklen = strlen (buf) + 1; } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": READLINK %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } hdrlen = gf_hdr_len (rsp, linklen); hdr = gf_hdr_new (rsp, linklen); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); if (op_ret >= 0) { gf_stat_from_iatt (&(rsp->buf), sbuf); strcpy (rsp->path, buf); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READLINK, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_stat_cbk - stat callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *stbuf) { gf_hdr_common_t *hdr = NULL; gf_fop_stat_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); if (op_ret == 0) { gf_stat_from_iatt (&rsp->stat, stbuf); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": STAT %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_STAT, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_setattr_cbk - setattr callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *statpre, struct iatt *statpost) { gf_hdr_common_t *hdr = NULL; gf_fop_setattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); if (op_ret == 0) { gf_stat_from_iatt (&rsp->statpre, statpre); gf_stat_from_iatt (&rsp->statpost, statpost); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": SETATTR %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SETATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_setattr_cbk - setattr callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @stbuf: * * not for external reference */ static int server_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct iatt *statpre, struct iatt *statpost) { gf_hdr_common_t *hdr = NULL; gf_fop_fsetattr_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; state = CALL_STATE (frame); hdrlen = gf_hdr_len (rsp, 0); hdr = gf_hdr_new (rsp, 0); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno_to_error (op_errno)); if (op_ret == 0) { gf_stat_from_iatt (&rsp->statpre, statpre); gf_stat_from_iatt (&rsp->statpost, statpost); } else { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": FSETATTR %"PRId64" (%"PRId64") ==> " "%"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FSETATTR, hdr, hdrlen, NULL, 0, NULL); return 0; } /* * server_lookup_cbk - lookup callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * @inode: * @stbuf: * * not for external reference */ static int server_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, inode_t *inode, struct iatt *stbuf, dict_t *dict, struct iatt *postparent) { gf_hdr_common_t *hdr = NULL; gf_fop_lookup_rsp_t *rsp = NULL; server_state_t *state = NULL; inode_t *root_inode = NULL; int32_t dict_len = 0; size_t hdrlen = 0; int32_t gf_errno = 0; int32_t ret = -1; inode_t *link_inode = NULL; loc_t fresh_loc = {0,}; state = CALL_STATE(frame); if (state->is_revalidate == 1 && op_ret == -1) { state->is_revalidate = 2; loc_copy (&fresh_loc, &state->loc); inode_unref (fresh_loc.inode); fresh_loc.inode = inode_new (state->itable); STACK_WIND (frame, server_lookup_cbk, BOUND_XL (frame), BOUND_XL (frame)->fops->lookup, &fresh_loc, state->dict); loc_wipe (&fresh_loc); return 0; } if (dict) { dict_len = dict_serialized_length (dict); if (dict_len < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to get serialized " "length of reply dict", state->loc.path, state->loc.inode->ino); op_ret = -1; op_errno = EINVAL; dict_len = 0; } } hdrlen = gf_hdr_len (rsp, dict_len); hdr = gf_hdr_new (rsp, dict_len); rsp = gf_param (hdr); if ((op_ret >= 0) && dict) { ret = dict_serialize (dict, rsp->dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to serialize reply dict", state->loc.path, state->loc.inode->ino); op_ret = -1; op_errno = -ret; dict_len = 0; } } rsp->dict_len = hton32 (dict_len); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (postparent) gf_stat_from_iatt (&rsp->postparent, postparent); if (op_ret == 0) { root_inode = BOUND_XL(frame)->itable->root; if (inode == root_inode) { /* we just looked up root ("/") */ stbuf->ia_ino = 1; if (inode->ia_type == 0) inode->ia_type = stbuf->ia_type; } gf_stat_from_iatt (&rsp->stat, stbuf); if (inode->ino != 1) { link_inode = inode_link (inode, state->loc.parent, state->loc.name, stbuf); inode_lookup (link_inode); inode_unref (link_inode); } } else { if (state->is_revalidate && op_errno == ENOENT) { if (state->loc.inode->ino != 1) { inode_unlink (state->loc.inode, state->loc.parent, state->loc.name); } } gf_log (this->name, (op_errno == ENOENT ? GF_LOG_TRACE : GF_LOG_DEBUG), "%"PRId64": LOOKUP %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LOOKUP, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_xattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *dict) { gf_hdr_common_t *hdr = NULL; gf_fop_xattrop_rsp_t *rsp = NULL; server_state_t *state = NULL; size_t hdrlen = 0; int32_t len = 0; int32_t gf_errno = 0; int32_t ret = -1; state = CALL_STATE (frame); if (op_ret < 0) { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": XATTROP %s (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->loc.path, state->loc.inode ? state->loc.inode->ino : 0, op_ret, strerror (op_errno)); } if ((op_ret >= 0) && dict) { len = dict_serialized_length (dict); if (len < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to get serialized length" " for reply dict", state->loc.path, state->loc.inode->ino); op_ret = -1; op_errno = EINVAL; len = 0; } } hdrlen = gf_hdr_len (rsp, len + 1); hdr = gf_hdr_new (rsp, len + 1); rsp = gf_param (hdr); if ((op_ret >= 0) && dict) { ret = dict_serialize (dict, rsp->dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "%s (%"PRId64"): failed to serialize reply dict", state->loc.path, state->loc.inode->ino); op_ret = -1; op_errno = -ret; len = 0; } } rsp->dict_len = hton32 (len); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_XATTROP, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, dict_t *dict) { gf_hdr_common_t *hdr = NULL; gf_fop_xattrop_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t len = 0; int32_t gf_errno = 0; int32_t ret = -1; server_state_t *state = NULL; state = CALL_STATE(frame); if (op_ret < 0) { gf_log (this->name, GF_LOG_DEBUG, "%"PRId64": FXATTROP %"PRId64" (%"PRId64") ==> %"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } if ((op_ret >= 0) && dict) { len = dict_serialized_length (dict); if (len < 0) { gf_log (this->name, GF_LOG_ERROR, "fd - %"PRId64" (%"PRId64"): failed to get " "serialized length for reply dict", state->resolve.fd_no, state->fd->inode->ino); op_ret = -1; op_errno = EINVAL; len = 0; } } hdrlen = gf_hdr_len (rsp, len + 1); hdr = gf_hdr_new (rsp, len + 1); rsp = gf_param (hdr); if ((op_ret >= 0) && dict) { ret = dict_serialize (dict, rsp->dict); if (ret < 0) { gf_log (this->name, GF_LOG_ERROR, "fd - %"PRId64" (%"PRId64"): failed to " "serialize reply dict", state->resolve.fd_no, state->fd->inode->ino); op_ret = -1; op_errno = -ret; len = 0; } } rsp->dict_len = hton32 (len); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_FXATTROP, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_lookup_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; if (!state->loc.inode) state->loc.inode = inode_new (state->itable); else state->is_revalidate = 1; STACK_WIND (frame, server_lookup_cbk, bound_xl, bound_xl->fops->lookup, &state->loc, state->dict); return 0; err: server_lookup_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL, NULL, NULL); return 0; } static int server_lookup (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_lookup_req_t *req = NULL; server_state_t *state = NULL; int32_t ret = -1; size_t pathlen = 0; size_t baselen = 0; size_t dictlen = 0; dict_t *xattr_req = NULL; char *req_dictbuf = NULL; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); dictlen = ntoh32 (req->dictlen); /* NOTE: lookup() uses req->ino only to identify if a lookup() * is requested for 'root' or not */ state->resolve.ino = ntoh64 (req->ino); if (state->resolve.ino != 1) state->resolve.ino = 0; state->resolve.type = RESOLVE_DONTCARE; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); if (IS_NOT_ROOT (pathlen)) { state->resolve.bname = gf_strdup (req->bname + pathlen); baselen = STRLEN_0 (state->resolve.bname); } if (dictlen) { /* Unserialize the dictionary */ req_dictbuf = memdup (req->dict + pathlen + baselen, dictlen); xattr_req = dict_new (); ret = dict_unserialize (req_dictbuf, dictlen, &xattr_req); if (ret < 0) { gf_log (bound_xl->name, GF_LOG_ERROR, "%"PRId64": %s (%"PRId64"): failed to " "unserialize req-buffer to dictionary", frame->root->unique, state->resolve.path, state->resolve.ino); GF_FREE (req_dictbuf); goto err; } xattr_req->extra_free = req_dictbuf; state->dict = xattr_req; } gf_resolve_and_resume (frame, server_lookup_resume); return 0; err: if (xattr_req) dict_unref (xattr_req); server_lookup_cbk (frame, NULL, frame->this, -1, EINVAL, NULL, NULL, NULL, NULL); return 0; } /* * server_forget - forget function for server protocol * * not for external reference */ static int server_forget (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_log ("forget", GF_LOG_CRITICAL, "function not implemented"); return 0; } static int server_stat_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_stat_cbk, bound_xl, bound_xl->fops->stat, &state->loc); return 0; err: server_stat_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_stat (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_stat_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); { state->resolve.type = RESOLVE_MUST; state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); } gf_resolve_and_resume (frame, server_stat_resume); return 0; } static int server_setattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_setattr_cbk, bound_xl, bound_xl->fops->setattr, &state->loc, &state->stbuf, state->valid); return 0; err: server_setattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_setattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_setattr_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); gf_stat_to_iatt (&req->stbuf, &state->stbuf); state->valid = ntoh32 (req->valid); gf_resolve_and_resume (frame, server_setattr_resume); return 0; } static int server_fsetattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fsetattr_cbk, bound_xl, bound_xl->fops->fsetattr, state->fd, &state->stbuf, state->valid); return 0; err: server_fsetattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_fsetattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fsetattr_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); gf_stat_to_iatt (&req->stbuf, &state->stbuf); state->valid = ntoh32 (req->valid); gf_resolve_and_resume (frame, server_fsetattr_resume); return 0; } static int server_readlink_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_readlink_cbk, bound_xl, bound_xl->fops->readlink, &state->loc, state->size); return 0; err: server_readlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_readlink (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_readlink_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->size = ntoh32 (req->size); gf_resolve_and_resume (frame, server_readlink_resume); return 0; } static int server_create_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; state->loc.inode = inode_new (state->itable); state->fd = fd_create (state->loc.inode, frame->root->pid); state->fd->flags = state->flags; STACK_WIND (frame, server_create_cbk, bound_xl, bound_xl->fops->create, &(state->loc), state->flags, state->mode, state->fd, state->params); return 0; err: server_create_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL, NULL, NULL, NULL); return 0; } static int server_create (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_create_req_t *req = NULL; server_state_t *state = NULL; int pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_NOT; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->resolve.bname = gf_strdup (req->bname + pathlen); state->mode = ntoh32 (req->mode); state->flags = gf_flags_to_flags (ntoh32 (req->flags)); gf_resolve_and_resume (frame, server_create_resume); return 0; } static int server_open_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; state->fd = fd_create (state->loc.inode, frame->root->pid); state->fd->flags = state->flags; STACK_WIND (frame, server_open_cbk, bound_xl, bound_xl->fops->open, &state->loc, state->flags, state->fd, 0); return 0; err: server_open_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_open (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_open_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->flags = gf_flags_to_flags (ntoh32 (req->flags)); gf_resolve_and_resume (frame, server_open_resume); return 0; } static int server_readv_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_readv_cbk, bound_xl, bound_xl->fops->readv, state->fd, state->size, state->offset); return 0; err: server_readv_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, 0, NULL, NULL); return 0; } static int server_readv (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_read_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->size = ntoh32 (req->size); state->offset = ntoh64 (req->offset); gf_resolve_and_resume (frame, server_readv_resume); return 0; } static int server_writev_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; struct iovec iov = {0, }; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; iov.iov_len = state->size; if (state->iobuf) { iov.iov_base = state->iobuf->ptr; } STACK_WIND (frame, server_writev_cbk, bound_xl, bound_xl->fops->writev, state->fd, &iov, 1, state->offset, state->iobref); return 0; err: server_writev_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_writev (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_write_req_t *req = NULL; server_state_t *state = NULL; struct iobref *iobref = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->offset = ntoh64 (req->offset); state->size = ntoh32 (req->size); if (iobuf) { iobref = iobref_new (); iobref_add (iobref, iobuf); state->iobuf = iobuf; state->iobref = iobref; } gf_resolve_and_resume (frame, server_writev_resume); return 0; } static int server_release (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_cbk_release_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION (frame); state = CALL_STATE (frame); req = gf_param (hdr); state->resolve.fd_no = ntoh64 (req->fd); gf_fd_put (conn->fdtable, state->resolve.fd_no); server_release_cbk (frame, NULL, frame->this, 0, 0); return 0; } static int server_fsync_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fsync_cbk, bound_xl, bound_xl->fops->fsync, state->fd, state->flags); return 0; err: server_fsync_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_fsync (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fsync_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->flags = ntoh32 (req->data); gf_resolve_and_resume (frame, server_fsync_resume); return 0; } static int server_flush_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_flush_cbk, bound_xl, bound_xl->fops->flush, state->fd); return 0; err: server_flush_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_flush (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fsync_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); gf_resolve_and_resume (frame, server_flush_resume); return 0; } static int server_ftruncate_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_ftruncate_cbk, bound_xl, bound_xl->fops->ftruncate, state->fd, state->offset); return 0; err: server_ftruncate_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_ftruncate (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_ftruncate_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->offset = ntoh64 (req->offset); gf_resolve_and_resume (frame, server_ftruncate_resume); return 0; } static int server_fstat_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fstat_cbk, bound_xl, bound_xl->fops->fstat, state->fd); return 0; err: server_fstat_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_fstat (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fstat_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); gf_resolve_and_resume (frame, server_fstat_resume); return 0; } static int server_truncate_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_truncate_cbk, bound_xl, bound_xl->fops->truncate, &state->loc, state->offset); return 0; err: server_truncate_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_truncate (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_truncate_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->path); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->offset = ntoh64 (req->offset); gf_resolve_and_resume (frame, server_truncate_resume); return 0; } static int server_unlink_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_unlink_cbk, bound_xl, bound_xl->fops->unlink, &state->loc); return 0; err: server_unlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_unlink (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_unlink_req_t *req = NULL; server_state_t *state = NULL; int pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_MUST; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->resolve.bname = gf_strdup (req->bname + pathlen); gf_resolve_and_resume (frame, server_unlink_resume); return 0; } static int server_setxattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_setxattr_cbk, bound_xl, bound_xl->fops->setxattr, &state->loc, state->dict, state->flags); return 0; err: server_setxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_setxattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_setxattr_req_t *req = NULL; server_state_t *state = NULL; dict_t *dict = NULL; int32_t ret = -1; size_t dict_len = 0; char *req_dictbuf = NULL; req = gf_param (hdr); state = CALL_STATE (frame); dict_len = ntoh32 (req->dict_len); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->path + dict_len); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->flags = ntoh32 (req->flags); if (dict_len) { req_dictbuf = memdup (req->dict, dict_len); dict = dict_new (); ret = dict_unserialize (req_dictbuf, dict_len, &dict); if (ret < 0) { gf_log (bound_xl->name, GF_LOG_ERROR, "%"PRId64": %s (%"PRId64"): failed to " "unserialize request buffer to dictionary", frame->root->unique, state->loc.path, state->resolve.ino); GF_FREE (req_dictbuf); goto err; } dict->extra_free = req_dictbuf; state->dict = dict; } gf_resolve_and_resume (frame, server_setxattr_resume); return 0; err: if (dict) dict_unref (dict); server_setxattr_cbk (frame, NULL, frame->this, -1, EINVAL); return 0; } static int server_fsetxattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_setxattr_cbk, bound_xl, bound_xl->fops->fsetxattr, state->fd, state->dict, state->flags); return 0; err: server_fsetxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_fsetxattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fsetxattr_req_t *req = NULL; server_state_t *state = NULL; dict_t *dict = NULL; int32_t ret = -1; size_t dict_len = 0; char *req_dictbuf = NULL; req = gf_param (hdr); state = CALL_STATE (frame); dict_len = ntoh32 (req->dict_len); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->flags = ntoh32 (req->flags); if (dict_len) { req_dictbuf = memdup (req->dict, dict_len); dict = dict_new (); ret = dict_unserialize (req_dictbuf, dict_len, &dict); if (ret < 0) { gf_log (bound_xl->name, GF_LOG_ERROR, "%"PRId64": %s (%"PRId64"): failed to " "unserialize request buffer to dictionary", frame->root->unique, state->loc.path, state->resolve.ino); GF_FREE (req_dictbuf); goto err; } dict->extra_free = req_dictbuf; state->dict = dict; } gf_resolve_and_resume (frame, server_fsetxattr_resume); return 0; err: if (dict) dict_unref (dict); server_setxattr_cbk (frame, NULL, frame->this, -1, EINVAL); return 0; } static int server_fxattrop_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fxattrop_cbk, bound_xl, bound_xl->fops->fxattrop, state->fd, state->flags, state->dict); return 0; err: server_fxattrop_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_fxattrop (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fxattrop_req_t *req = NULL; dict_t *dict = NULL; server_state_t *state = NULL; size_t dict_len = 0; char *req_dictbuf = NULL; int32_t ret = -1; req = gf_param (hdr); state = CALL_STATE(frame); dict_len = ntoh32 (req->dict_len); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->flags = ntoh32 (req->flags); if (dict_len) { /* Unserialize the dictionary */ req_dictbuf = memdup (req->dict, dict_len); dict = dict_new (); ret = dict_unserialize (req_dictbuf, dict_len, &dict); if (ret < 0) { gf_log (bound_xl->name, GF_LOG_ERROR, "fd - %"PRId64" (%"PRId64"): failed to unserialize " "request buffer to dictionary", state->resolve.fd_no, state->fd->inode->ino); GF_FREE (req_dictbuf); goto fail; } dict->extra_free = req_dictbuf; state->dict = dict; dict = NULL; } gf_resolve_and_resume (frame, server_fxattrop_resume); return 0; fail: if (dict) dict_unref (dict); server_fxattrop_cbk (frame, NULL, frame->this, -1, EINVAL, NULL); return 0; } static int server_xattrop_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_xattrop_cbk, bound_xl, bound_xl->fops->xattrop, &state->loc, state->flags, state->dict); return 0; err: server_xattrop_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_xattrop (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_xattrop_req_t *req = NULL; dict_t *dict = NULL; server_state_t *state = NULL; size_t dict_len = 0; char *req_dictbuf = NULL; int32_t ret = -1; req = gf_param (hdr); state = CALL_STATE(frame); dict_len = ntoh32 (req->dict_len); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->path + dict_len); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->flags = ntoh32 (req->flags); if (dict_len) { /* Unserialize the dictionary */ req_dictbuf = memdup (req->dict, dict_len); dict = dict_new (); ret = dict_unserialize (req_dictbuf, dict_len, &dict); if (ret < 0) { gf_log (bound_xl->name, GF_LOG_ERROR, "fd - %"PRId64" (%"PRId64"): failed to unserialize " "request buffer to dictionary", state->resolve.fd_no, state->fd->inode->ino); GF_FREE (req_dictbuf); goto fail; } dict->extra_free = req_dictbuf; state->dict = dict; dict = NULL; } gf_resolve_and_resume (frame, server_xattrop_resume); return 0; fail: if (dict) dict_unref (dict); server_xattrop_cbk (frame, NULL, frame->this, -1, EINVAL, NULL); return 0; } static int server_getxattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_getxattr_cbk, bound_xl, bound_xl->fops->getxattr, &state->loc, state->name); return 0; err: server_getxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_getxattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_getxattr_req_t *req = NULL; server_state_t *state = NULL; size_t namelen = 0; size_t pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->path); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); namelen = ntoh32 (req->namelen); if (namelen) state->name = gf_strdup (req->name + pathlen); gf_resolve_and_resume (frame, server_getxattr_resume); return 0; } static int server_fgetxattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fgetxattr_cbk, bound_xl, bound_xl->fops->fgetxattr, state->fd, state->name); return 0; err: server_fgetxattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_fgetxattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fgetxattr_req_t *req = NULL; server_state_t *state = NULL; size_t namelen = 0; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); namelen = ntoh32 (req->namelen); if (namelen) state->name = gf_strdup (req->name); gf_resolve_and_resume (frame, server_fgetxattr_resume); return 0; } static int server_removexattr_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_removexattr_cbk, bound_xl, bound_xl->fops->removexattr, &state->loc, state->name); return 0; err: server_removexattr_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_removexattr (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_removexattr_req_t *req = NULL; server_state_t *state = NULL; size_t pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->path); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->name = gf_strdup (req->name + pathlen); gf_resolve_and_resume (frame, server_removexattr_resume); return 0; } static int server_statfs_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret !=0) goto err; STACK_WIND (frame, server_statfs_cbk, bound_xl, bound_xl->fops->statfs, &state->loc); return 0; err: server_statfs_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_statfs (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_statfs_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.ino = ntoh64 (req->ino); if (!state->resolve.ino) state->resolve.ino = 1; state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); gf_resolve_and_resume (frame, server_statfs_resume); return 0; } static int server_opendir_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; state->fd = fd_create (state->loc.inode, frame->root->pid); STACK_WIND (frame, server_opendir_cbk, bound_xl, bound_xl->fops->opendir, &state->loc, state->fd); return 0; err: server_opendir_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } static int server_opendir (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_opendir_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->path); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); gf_resolve_and_resume (frame, server_opendir_resume); return 0; } static int server_releasedir (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_cbk_releasedir_req_t *req = NULL; server_connection_t *conn = NULL; uint64_t fd_no = 0; conn = SERVER_CONNECTION (frame); req = gf_param (hdr); fd_no = ntoh64 (req->fd); gf_fd_put (conn->fdtable, fd_no); server_releasedir_cbk (frame, NULL, frame->this, 0, 0); return 0; } /* * server_readdirp_cbk - getdents callback for server protocol * @frame: call frame * @cookie: * @this: * @op_ret: * @op_errno: * * not for external reference */ static int server_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, gf_dirent_t *entries) { gf_hdr_common_t *hdr = NULL; gf_fop_readdirp_rsp_t *rsp = NULL; size_t hdrlen = 0; size_t buf_size = 0; int32_t gf_errno = 0; server_state_t *state = NULL; if (op_ret > 0) buf_size = gf_dirent_serialize (entries, NULL, 0); hdrlen = gf_hdr_len (rsp, buf_size); hdr = gf_hdr_new (rsp, buf_size); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret > 0) { rsp->size = hton32 (buf_size); gf_dirent_serialize (entries, rsp->buf, buf_size); } else { state = CALL_STATE(frame); gf_log (this->name, GF_LOG_TRACE, "%"PRId64": READDIRP %"PRId64" (%"PRId64") ==>" "%"PRId32" (%s)", frame->root->unique, state->resolve.fd_no, state->fd ? state->fd->inode->ino : 0, op_ret, strerror (op_errno)); } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_READDIRP, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_readdirp_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_readdirp_cbk, bound_xl, bound_xl->fops->readdirp, state->fd, state->size, state->offset); return 0; err: server_readdirp_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } /* * server_readdirp - readdirp function for server protocol * @frame: call frame * @bound_xl: * @params: parameter dictionary * * not for external reference */ static int server_readdirp (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_readdirp_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION(frame); req = gf_param (hdr); state = CALL_STATE(frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->size = ntoh32 (req->size); state->offset = ntoh64 (req->offset); gf_resolve_and_resume (frame, server_readdirp_resume); return 0; } static int server_readdir_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_readdir_cbk, bound_xl, bound_xl->fops->readdir, state->fd, state->size, state->offset); return 0; err: server_readdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } /* * server_readdir - readdir function for server protocol * @frame: call frame * @bound_xl: * @params: parameter dictionary * * not for external reference */ static int server_readdir (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_readdir_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION(frame); req = gf_param (hdr); state = CALL_STATE(frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->size = ntoh32 (req->size); state->offset = ntoh64 (req->offset); gf_resolve_and_resume (frame, server_readdir_resume); return 0; } static int server_fsyncdir_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fsyncdir_cbk, bound_xl, bound_xl->fops->fsyncdir, state->fd, state->flags); return 0; err: server_fsyncdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } /* * server_fsyncdir - fsyncdir function for server protocol * @frame: call frame * @bound_xl: * @params: parameter dictionary * * not for external reference */ static int server_fsyncdir (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fsyncdir_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION (frame); req = gf_param (hdr); state = CALL_STATE(frame); state->resolve.type = RESOLVE_MUST; state->resolve.fd_no = ntoh64 (req->fd); state->flags = ntoh32 (req->data); gf_resolve_and_resume (frame, server_fsyncdir_resume); return 0; } static int server_mknod_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; state->loc.inode = inode_new (state->itable); STACK_WIND (frame, server_mknod_cbk, bound_xl, bound_xl->fops->mknod, &(state->loc), state->mode, state->dev, state->params); return 0; err: server_mknod_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL, NULL, NULL); return 0; } static int server_mknod (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_mknod_req_t *req = NULL; server_state_t *state = NULL; size_t pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_NOT; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->resolve.bname = gf_strdup (req->bname + pathlen); state->mode = ntoh32 (req->mode); state->dev = ntoh64 (req->dev); gf_resolve_and_resume (frame, server_mknod_resume); return 0; } static int server_mkdir_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; state->loc.inode = inode_new (state->itable); STACK_WIND (frame, server_mkdir_cbk, bound_xl, bound_xl->fops->mkdir, &(state->loc), state->mode, state->params); return 0; err: server_mkdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL, NULL, NULL); return 0; } static int server_mkdir (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_mkdir_req_t *req = NULL; server_state_t *state = NULL; size_t pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_NOT; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->resolve.bname = gf_strdup (req->bname + pathlen); state->mode = ntoh32 (req->mode); gf_resolve_and_resume (frame, server_mkdir_resume); return 0; } static int server_rmdir_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_rmdir_cbk, bound_xl, bound_xl->fops->rmdir, &state->loc); return 0; err: server_rmdir_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL); return 0; } static int server_rmdir (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_rmdir_req_t *req = NULL; server_state_t *state = NULL; int pathlen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); state->resolve.type = RESOLVE_MUST; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->resolve.bname = gf_strdup (req->bname + pathlen); gf_resolve_and_resume (frame, server_rmdir_resume); return 0; } static int server_inodelk_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_inodelk_cbk, bound_xl, bound_xl->fops->inodelk, state->volume, &state->loc, state->cmd, &state->flock); return 0; err: server_inodelk_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_inodelk (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_inodelk_req_t *req = NULL; server_state_t *state = NULL; size_t pathlen = 0; size_t vollen = 0; int cmd = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); vollen = STRLEN_0 (req->volume + pathlen); state->resolve.type = RESOLVE_EXACT; state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); cmd = ntoh32 (req->cmd); switch (cmd) { case GF_LK_GETLK: state->cmd = F_GETLK; break; case GF_LK_SETLK: state->cmd = F_SETLK; break; case GF_LK_SETLKW: state->cmd = F_SETLKW; break; } state->type = ntoh32 (req->type); state->volume = gf_strdup (req->volume + pathlen); gf_flock_to_flock (&req->flock, &state->flock); switch (state->type) { case GF_LK_F_RDLCK: state->flock.l_type = F_RDLCK; break; case GF_LK_F_WRLCK: state->flock.l_type = F_WRLCK; break; case GF_LK_F_UNLCK: state->flock.l_type = F_UNLCK; break; } gf_resolve_and_resume (frame, server_inodelk_resume); return 0; } static int server_finodelk_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_finodelk_cbk, BOUND_XL(frame), BOUND_XL(frame)->fops->finodelk, state->volume, state->fd, state->cmd, &state->flock); return 0; err: server_finodelk_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_finodelk (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_finodelk_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION(frame); req = gf_param (hdr); state = CALL_STATE(frame); state->resolve.type = RESOLVE_EXACT; state->volume = gf_strdup (req->volume); state->resolve.fd_no = ntoh64 (req->fd); state->cmd = ntoh32 (req->cmd); switch (state->cmd) { case GF_LK_GETLK: state->cmd = F_GETLK; break; case GF_LK_SETLK: state->cmd = F_SETLK; break; case GF_LK_SETLKW: state->cmd = F_SETLKW; break; } state->type = ntoh32 (req->type); gf_flock_to_flock (&req->flock, &state->flock); switch (state->type) { case GF_LK_F_RDLCK: state->flock.l_type = F_RDLCK; break; case GF_LK_F_WRLCK: state->flock.l_type = F_WRLCK; break; case GF_LK_F_UNLCK: state->flock.l_type = F_UNLCK; break; } gf_resolve_and_resume (frame, server_finodelk_resume); return 0; } static int server_entrylk_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_entrylk_cbk, bound_xl, bound_xl->fops->entrylk, state->volume, &state->loc, state->name, state->cmd, state->type); return 0; err: server_entrylk_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_entrylk (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_entrylk_req_t *req = NULL; server_state_t *state = NULL; size_t pathlen = 0; size_t namelen = 0; size_t vollen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); namelen = ntoh64 (req->namelen); vollen = STRLEN_0(req->volume + pathlen + namelen); state->resolve.type = RESOLVE_EXACT; state->resolve.path = gf_strdup (req->path); state->resolve.ino = ntoh64 (req->ino); state->resolve.gen = ntoh64 (req->gen); if (namelen) state->name = gf_strdup (req->name + pathlen); state->volume = gf_strdup (req->volume + pathlen + namelen); state->cmd = ntoh32 (req->cmd); state->type = ntoh32 (req->type); gf_resolve_and_resume (frame, server_entrylk_resume); return 0; } static int server_fentrylk_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_fentrylk_cbk, BOUND_XL(frame), BOUND_XL(frame)->fops->fentrylk, state->volume, state->fd, state->name, state->cmd, state->type); return 0; err: server_fentrylk_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_fentrylk (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_fentrylk_req_t *req = NULL; server_state_t *state = NULL; size_t namelen = 0; size_t vollen = 0; server_connection_t *conn = NULL; conn = SERVER_CONNECTION (frame); req = gf_param (hdr); state = CALL_STATE(frame); vollen = STRLEN_0(req->volume + namelen); state->resolve.type = RESOLVE_EXACT; state->resolve.fd_no = ntoh64 (req->fd); state->cmd = ntoh32 (req->cmd); state->type = ntoh32 (req->type); namelen = ntoh64 (req->namelen); if (namelen) state->name = req->name; state->volume = gf_strdup (req->volume + namelen); gf_resolve_and_resume (frame, server_fentrylk_resume); return 0; } static int server_access_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_access_cbk, bound_xl, bound_xl->fops->access, &state->loc, state->mask); return 0; err: server_access_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno); return 0; } static int server_access (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_access_req_t *req = NULL; server_state_t *state = NULL; req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.type = RESOLVE_MUST; state->resolve.ino = hton64 (req->ino); state->resolve.gen = hton64 (req->gen); state->resolve.path = gf_strdup (req->path); state->mask = ntoh32 (req->mask); gf_resolve_and_resume (frame, server_access_resume); return 0; } static int server_symlink_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; state->loc.inode = inode_new (state->itable); STACK_WIND (frame, server_symlink_cbk, bound_xl, bound_xl->fops->symlink, state->name, &state->loc, state->params); return 0; err: server_symlink_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL, NULL, NULL, NULL); return 0; } static int server_symlink (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { server_state_t *state = NULL; gf_fop_symlink_req_t *req = NULL; size_t pathlen = 0; size_t baselen = 0; req = gf_param (hdr); state = CALL_STATE (frame); pathlen = STRLEN_0 (req->path); baselen = STRLEN_0 (req->bname + pathlen); state->resolve.type = RESOLVE_NOT; state->resolve.par = ntoh64 (req->par); state->resolve.gen = ntoh64 (req->gen); state->resolve.path = gf_strdup (req->path); state->resolve.bname = gf_strdup (req->bname + pathlen); state->name = gf_strdup (req->linkname + pathlen + baselen); gf_resolve_and_resume (frame, server_symlink_resume); return 0; } static int server_link_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; int op_ret = 0; int op_errno = 0; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) { op_ret = state->resolve.op_ret; op_errno = state->resolve.op_errno; goto err; } if (state->resolve2.op_ret != 0) { op_ret = state->resolve2.op_ret; op_errno = state->resolve2.op_errno; goto err; } state->loc2.inode = inode_ref (state->loc.inode); STACK_WIND (frame, server_link_cbk, bound_xl, bound_xl->fops->link, &state->loc, &state->loc2); return 0; err: server_link_cbk (frame, NULL, frame->this, op_ret, op_errno, NULL, NULL, NULL, NULL); return 0; } static int server_link (call_frame_t *frame, xlator_t *this, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_link_req_t *req = NULL; server_state_t *state = NULL; size_t oldpathlen = 0; size_t newpathlen = 0; size_t newbaselen = 0; req = gf_param (hdr); state = CALL_STATE (frame); oldpathlen = STRLEN_0 (req->oldpath); newpathlen = STRLEN_0 (req->newpath + oldpathlen); newbaselen = STRLEN_0 (req->newbname + oldpathlen + newpathlen); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->oldpath); state->resolve.ino = ntoh64 (req->oldino); state->resolve.gen = ntoh64 (req->oldgen); state->resolve2.type = RESOLVE_NOT; state->resolve2.path = gf_strdup (req->newpath + oldpathlen); state->resolve2.bname = gf_strdup (req->newbname + oldpathlen + newpathlen); state->resolve2.par = ntoh64 (req->newpar); state->resolve2.gen = ntoh64 (req->newgen); gf_resolve_and_resume (frame, server_link_resume); return 0; } static int server_rename_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; int op_ret = 0; int op_errno = 0; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) { op_ret = state->resolve.op_ret; op_errno = state->resolve.op_errno; goto err; } if (state->resolve2.op_ret != 0) { op_ret = state->resolve2.op_ret; op_errno = state->resolve2.op_errno; goto err; } STACK_WIND (frame, server_rename_cbk, bound_xl, bound_xl->fops->rename, &state->loc, &state->loc2); return 0; err: server_rename_cbk (frame, NULL, frame->this, op_ret, op_errno, NULL, NULL, NULL, NULL, NULL); return 0; } static int server_rename (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_rename_req_t *req = NULL; server_state_t *state = NULL; size_t oldpathlen = 0; size_t oldbaselen = 0; size_t newpathlen = 0; size_t newbaselen = 0; req = gf_param (hdr); state = CALL_STATE (frame); oldpathlen = STRLEN_0 (req->oldpath); oldbaselen = STRLEN_0 (req->oldbname + oldpathlen); newpathlen = STRLEN_0 (req->newpath + oldpathlen + oldbaselen); newbaselen = STRLEN_0 (req->newbname + oldpathlen + oldbaselen + newpathlen); state->resolve.type = RESOLVE_MUST; state->resolve.path = gf_strdup (req->oldpath); state->resolve.bname = gf_strdup (req->oldbname + oldpathlen); state->resolve.par = ntoh64 (req->oldpar); state->resolve.gen = ntoh64 (req->oldgen); state->resolve2.type = RESOLVE_MAY; state->resolve2.path = gf_strdup (req->newpath + oldpathlen + oldbaselen); state->resolve2.bname = gf_strdup (req->newbname + oldpathlen + oldbaselen + newpathlen); state->resolve2.par = ntoh64 (req->newpar); state->resolve2.gen = ntoh64 (req->newgen); gf_resolve_and_resume (frame, server_rename_resume); return 0; } static int server_lk_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) goto err; STACK_WIND (frame, server_lk_cbk, BOUND_XL(frame), BOUND_XL(frame)->fops->lk, state->fd, state->cmd, &state->flock); return 0; err: server_lk_cbk (frame, NULL, frame->this, state->resolve.op_ret, state->resolve.op_errno, NULL); return 0; } /* * server_lk - lk function for server protocol * @frame: call frame * @bound_xl: * @params: parameter dictionary * * not for external reference */ static int server_lk (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_lk_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION (frame); req = gf_param (hdr); state = CALL_STATE (frame); state->resolve.fd_no = ntoh64 (req->fd); state->cmd = ntoh32 (req->cmd); state->type = ntoh32 (req->type); switch (state->cmd) { case GF_LK_GETLK: state->cmd = F_GETLK; break; case GF_LK_SETLK: state->cmd = F_SETLK; break; case GF_LK_SETLKW: state->cmd = F_SETLKW; break; } gf_flock_to_flock (&req->flock, &state->flock); switch (state->type) { case GF_LK_F_RDLCK: state->flock.l_type = F_RDLCK; break; case GF_LK_F_WRLCK: state->flock.l_type = F_WRLCK; break; case GF_LK_F_UNLCK: state->flock.l_type = F_UNLCK; break; default: gf_log (bound_xl->name, GF_LOG_ERROR, "fd - %"PRId64" (%"PRId64"): Unknown lock type: %"PRId32"!", state->resolve.fd_no, state->fd->inode->ino, state->type); break; } gf_resolve_and_resume (frame, server_lk_resume); return 0; } /* xxx_MOPS */ static int _volfile_update_checksum (xlator_t *this, char *key, uint32_t checksum) { server_conf_t *conf = NULL; struct _volfile_ctx *temp_volfile = NULL; conf = this->private; temp_volfile = conf->volfile; while (temp_volfile) { if ((NULL == key) && (NULL == temp_volfile->key)) break; if ((NULL == key) || (NULL == temp_volfile->key)) { temp_volfile = temp_volfile->next; continue; } if (strcmp (temp_volfile->key, key) == 0) break; temp_volfile = temp_volfile->next; } if (!temp_volfile) { temp_volfile = GF_CALLOC (1, sizeof (struct _volfile_ctx), gf_server_mt_volfile_ctx); if (!temp_volfile) goto out; temp_volfile->next = conf->volfile; temp_volfile->key = (key)? gf_strdup (key): NULL; temp_volfile->checksum = checksum; conf->volfile = temp_volfile; goto out; } if (temp_volfile->checksum != checksum) { gf_log (this->name, GF_LOG_CRITICAL, "the volume file got modified between earlier access " "and now, this may lead to inconsistency between " "clients, advised to remount client"); temp_volfile->checksum = checksum; } out: return 0; } size_t build_volfile_path (xlator_t *this, const char *key, char *path, size_t path_len) { int ret = -1; int free_filename = 0; int free_conf_dir = 0; char *filename = NULL; char *conf_dir = CONFDIR; struct stat buf = {0,}; data_t * conf_dir_data = NULL; char data_key[256] = {0,}; /* Inform users that this option is changed now */ ret = dict_get_str (this->options, "client-volume-filename", &filename); if (ret == 0) { gf_log (this->name, GF_LOG_WARNING, "option 'client-volume-filename' is changed to " "'volume-filename.' which now takes 'key' as an " "option to choose/fetch different files from server. " "Refer documentation or contact developers for more " "info. Currently defaulting to given file '%s'", filename); } if (key && !filename) { sprintf (data_key, "volume-filename.%s", key); ret = dict_get_str (this->options, data_key, &filename); if (ret < 0) { conf_dir_data = dict_get (this->options, "conf-dir"); if (conf_dir_data) { /* Check whether the specified directory exists, or directory specified is non standard */ ret = stat (conf_dir_data->data, &buf); if ((ret != 0) || !S_ISDIR (buf.st_mode)) { gf_log (this->name, GF_LOG_ERROR, "Directory '%s' doesn't" "exist, exiting.", conf_dir_data->data); ret = -1; goto out; } /* Make sure that conf-dir doesn't * contain ".." in path */ if ((gf_strstr (conf_dir_data->data, "/", "..")) == -1) { ret = -1; gf_log (this->name, GF_LOG_ERROR, "%s: invalid conf_dir", conf_dir_data->data); goto out; } /* Make sure that key doesn't * contain "../" in path */ if ((gf_strstr (key, "/", "..")) == -1) { ret = -1; gf_log (this->name, GF_LOG_ERROR, "%s: invalid key", key); goto out; } conf_dir = gf_strdup (conf_dir_data->data); free_conf_dir = 1; } ret = gf_asprintf (&filename, "%s/%s.vol", conf_dir, key); if (-1 == ret) goto out; free_filename = 1; } } if (!filename) { ret = dict_get_str (this->options, "volume-filename.default", &filename); if (ret < 0) { gf_log (this->name, GF_LOG_DEBUG, "no default volume filename given, " "defaulting to %s", DEFAULT_VOLUME_FILE_PATH); filename = DEFAULT_VOLUME_FILE_PATH; } } ret = -1; if ((filename) && (path_len > strlen (filename))) { strcpy (path, filename); ret = strlen (filename); } out: if (free_conf_dir) GF_FREE (conf_dir); if (free_filename) GF_FREE (filename); return ret; } static int _validate_volfile_checksum (xlator_t *this, char *key, uint32_t checksum) { char filename[ZR_PATH_MAX] = {0,}; server_conf_t *conf = NULL; struct _volfile_ctx *temp_volfile = NULL; int ret = 0; uint32_t local_checksum = 0; conf = this->private; temp_volfile = conf->volfile; if (!checksum) goto out; if (!temp_volfile) { ret = build_volfile_path (this, key, filename, sizeof (filename)); if (ret <= 0) goto out; ret = open (filename, O_RDONLY); if (-1 == ret) { ret = 0; gf_log (this->name, GF_LOG_DEBUG, "failed to open volume file (%s) : %s", filename, strerror (errno)); goto out; } get_checksum_for_file (ret, &local_checksum); _volfile_update_checksum (this, key, local_checksum); close (ret); } temp_volfile = conf->volfile; while (temp_volfile) { if ((NULL == key) && (NULL == temp_volfile->key)) break; if ((NULL == key) || (NULL == temp_volfile->key)) { temp_volfile = temp_volfile->next; continue; } if (strcmp (temp_volfile->key, key) == 0) break; temp_volfile = temp_volfile->next; } if (!temp_volfile) goto out; if ((temp_volfile->checksum) && (checksum != temp_volfile->checksum)) ret = -1; out: return ret; } /* Management Calls */ /* * mop_getspec - getspec function for server protocol * @frame: call frame * @bound_xl: * @params: * */ static int mop_getspec (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *_hdr = NULL; gf_mop_getspec_rsp_t *rsp = NULL; int32_t ret = -1; int32_t op_errno = ENOENT; int32_t gf_errno = 0; int32_t spec_fd = -1; size_t file_len = 0; size_t _hdrlen = 0; char filename[ZR_PATH_MAX] = {0,}; struct stat stbuf = {0,}; gf_mop_getspec_req_t *req = NULL; uint32_t checksum = 0; uint32_t flags = 0; uint32_t keylen = 0; char *key = NULL; server_conf_t *conf = NULL; req = gf_param (hdr); flags = ntoh32 (req->flags); keylen = ntoh32 (req->keylen); if (keylen) { key = req->key; } conf = frame->this->private; ret = build_volfile_path (frame->this, key, filename, sizeof (filename)); if (ret > 0) { /* to allocate the proper buffer to hold the file data */ ret = stat (filename, &stbuf); if (ret < 0){ gf_log (frame->this->name, GF_LOG_ERROR, "Unable to stat %s (%s)", filename, strerror (errno)); goto fail; } spec_fd = open (filename, O_RDONLY); if (spec_fd < 0) { gf_log (frame->this->name, GF_LOG_ERROR, "Unable to open %s (%s)", filename, strerror (errno)); goto fail; } ret = 0; file_len = stbuf.st_size; if (conf->verify_volfile_checksum) { get_checksum_for_file (spec_fd, &checksum); _volfile_update_checksum (frame->this, key, checksum); } } else { errno = ENOENT; } fail: op_errno = errno; _hdrlen = gf_hdr_len (rsp, file_len + 1); _hdr = gf_hdr_new (rsp, file_len + 1); rsp = gf_param (_hdr); _hdr->rsp.op_ret = hton32 (ret); gf_errno = gf_errno_to_error (op_errno); _hdr->rsp.op_errno = hton32 (gf_errno); if (file_len) { ret = read (spec_fd, rsp->spec, file_len); close (spec_fd); } protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_GETSPEC, _hdr, _hdrlen, NULL, 0, NULL); return 0; } static int server_checksum (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ size_t rsp_hdrlen = 0; int32_t gf_errno = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); gf_errno = gf_errno_to_error (ENOSYS); hdr->rsp.op_errno = hton32 (gf_errno); hdr->rsp.op_ret = -1; protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_CHECKSUM, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } static int server_rchecksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, uint32_t weak_checksum, uint8_t *strong_checksum) { gf_hdr_common_t *hdr = NULL; gf_fop_rchecksum_rsp_t *rsp = NULL; size_t hdrlen = 0; int32_t gf_errno = 0; hdrlen = gf_hdr_len (rsp, MD5_DIGEST_LEN + 1); hdr = gf_hdr_new (rsp, MD5_DIGEST_LEN + 1); rsp = gf_param (hdr); hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); hdr->rsp.op_errno = hton32 (gf_errno); if (op_ret >= 0) { rsp->weak_checksum = weak_checksum; memcpy (rsp->strong_checksum, strong_checksum, MD5_DIGEST_LEN); rsp->strong_checksum[MD5_DIGEST_LEN] = '\0'; } protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_RCHECKSUM, hdr, hdrlen, NULL, 0, NULL); return 0; } static int server_rchecksum_resume (call_frame_t *frame, xlator_t *bound_xl) { server_state_t *state = NULL; int op_ret = 0; int op_errno = 0; state = CALL_STATE (frame); if (state->resolve.op_ret != 0) { op_ret = state->resolve.op_ret; op_errno = state->resolve.op_errno; goto err; } STACK_WIND (frame, server_rchecksum_cbk, bound_xl, bound_xl->fops->rchecksum, state->fd, state->offset, state->size); return 0; err: server_rchecksum_cbk (frame, NULL, frame->this, -1, EINVAL, 0, NULL); return 0; } static int server_rchecksum (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_fop_rchecksum_req_t *req = NULL; server_state_t *state = NULL; server_connection_t *conn = NULL; conn = SERVER_CONNECTION(frame); req = gf_param (hdr); state = CALL_STATE(frame); state->resolve.type = RESOLVE_MAY; state->resolve.fd_no = ntoh64 (req->fd); state->offset = ntoh64 (req->offset); state->size = ntoh32 (req->len); gf_resolve_and_resume (frame, server_rchecksum_resume); return 0; } /* * mop_unlock - unlock management function for server protocol * @frame: call frame * @bound_xl: * @params: parameter dictionary * */ static int mop_getvolume (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { return 0; } struct __get_xl_struct { const char *name; xlator_t *reply; }; static void __check_and_set (xlator_t *each, void *data) { if (!strcmp (each->name, ((struct __get_xl_struct *) data)->name)) ((struct __get_xl_struct *) data)->reply = each; } static xlator_t * get_xlator_by_name (xlator_t *some_xl, const char *name) { struct __get_xl_struct get = { .name = name, .reply = NULL }; xlator_foreach (some_xl, __check_and_set, &get); return get.reply; } /* * mop_setvolume - setvolume management function for server protocol * @frame: call frame * @bound_xl: * @params: parameter dictionary * */ static int mop_setvolume (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *req_hdr, size_t req_hdrlen, struct iobuf *iobuf) { server_connection_t *conn = NULL; server_conf_t *conf = NULL; gf_hdr_common_t *rsp_hdr = NULL; gf_mop_setvolume_req_t *req = NULL; gf_mop_setvolume_rsp_t *rsp = NULL; peer_info_t *peerinfo = NULL; int32_t ret = -1; int32_t op_ret = -1; int32_t op_errno = EINVAL; int32_t gf_errno = 0; dict_t *reply = NULL; dict_t *config_params = NULL; dict_t *params = NULL; char *name = NULL; char *version = NULL; char *process_uuid = NULL; xlator_t *xl = NULL; transport_t *trans = NULL; size_t rsp_hdrlen = -1; size_t dict_len = -1; size_t req_dictlen = -1; char *msg = NULL; char *volfile_key = NULL; uint32_t checksum = 0; int32_t lru_limit = 1024; params = dict_new (); reply = dict_new (); req = gf_param (req_hdr); req_dictlen = ntoh32 (req->dict_len); ret = dict_unserialize (req->buf, req_dictlen, ¶ms); config_params = dict_copy_with_ref (frame->this->options, NULL); trans = TRANSPORT_FROM_FRAME(frame); conf = SERVER_CONF(frame); if (ret < 0) { ret = dict_set_str (reply, "ERROR", "Internal error: failed to unserialize " "request dictionary"); if (ret < 0) gf_log (bound_xl->name, GF_LOG_DEBUG, "failed to set error msg \"%s\"", "Internal error: failed to unserialize " "request dictionary"); op_ret = -1; op_errno = EINVAL; goto fail; } ret = dict_get_str (params, "process-uuid", &process_uuid); if (ret < 0) { ret = dict_set_str (reply, "ERROR", "UUID not specified"); if (ret < 0) gf_log (bound_xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = EINVAL; goto fail; } conn = gf_server_connection_get (frame->this, process_uuid); if (trans->xl_private != conn) trans->xl_private = conn; ret = dict_get_str (params, "protocol-version", &version); if (ret < 0) { ret = dict_set_str (reply, "ERROR", "No version number specified"); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = EINVAL; goto fail; } ret = strcmp (version, GF_PROTOCOL_VERSION); if (ret != 0) { ret = gf_asprintf (&msg, "protocol version mismatch: client(%s) " "- server(%s)", version, GF_PROTOCOL_VERSION); if (-1 == ret) { gf_log (trans->xl->name, GF_LOG_ERROR, "gf_asprintf failed while setting up error msg"); goto fail; } ret = dict_set_dynstr (reply, "ERROR", msg); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = EINVAL; goto fail; } ret = dict_get_str (params, "remote-subvolume", &name); if (ret < 0) { ret = dict_set_str (reply, "ERROR", "No remote-subvolume option specified"); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = EINVAL; goto fail; } xl = get_xlator_by_name (frame->this, name); if (xl == NULL) { ret = gf_asprintf (&msg, "remote-subvolume \"%s\" is not found", name); if (-1 == ret) { gf_log (trans->xl->name, GF_LOG_ERROR, "gf_asprintf failed while setting error msg"); goto fail; } ret = dict_set_dynstr (reply, "ERROR", msg); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = ENOENT; goto fail; } if (conf->verify_volfile_checksum) { ret = dict_get_uint32 (params, "volfile-checksum", &checksum); if (ret == 0) { ret = dict_get_str (params, "volfile-key", &volfile_key); ret = _validate_volfile_checksum (trans->xl, volfile_key, checksum); if (-1 == ret) { ret = dict_set_str (reply, "ERROR", "volume-file checksum " "varies from earlier " "access"); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = ESTALE; goto fail; } } } peerinfo = &trans->peerinfo; ret = dict_set_static_ptr (params, "peer-info", peerinfo); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set peer-info"); ret = dict_set_str (params, "peer-info-name", peerinfo->identifier); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set peer-info-name"); if (conf->auth_modules == NULL) { gf_log (trans->xl->name, GF_LOG_ERROR, "Authentication module not initialized"); } ret = gf_authenticate (params, config_params, conf->auth_modules); if (ret == AUTH_ACCEPT) { gf_log (trans->xl->name, GF_LOG_INFO, "accepted client from %s", peerinfo->identifier); op_ret = 0; conn->bound_xl = xl; ret = dict_set_str (reply, "ERROR", "Success"); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); } else { gf_log (trans->xl->name, GF_LOG_ERROR, "Cannot authenticate client from %s", peerinfo->identifier); op_ret = -1; op_errno = EACCES; ret = dict_set_str (reply, "ERROR", "Authentication failed"); if (ret < 0) gf_log (bound_xl->name, GF_LOG_DEBUG, "failed to set error msg"); goto fail; } if (conn->bound_xl == NULL) { ret = dict_set_str (reply, "ERROR", "Check volfile and handshake " "options in protocol/client"); if (ret < 0) gf_log (trans->xl->name, GF_LOG_DEBUG, "failed to set error msg"); op_ret = -1; op_errno = EACCES; goto fail; } if ((conn->bound_xl != NULL) && (ret >= 0) && (conn->bound_xl->itable == NULL)) { /* create inode table for this bound_xl, if one doesn't already exist */ lru_limit = INODE_LRU_LIMIT (frame->this); gf_log (trans->xl->name, GF_LOG_TRACE, "creating inode table with lru_limit=%"PRId32", " "xlator=%s", lru_limit, conn->bound_xl->name); conn->bound_xl->itable = inode_table_new (lru_limit, conn->bound_xl); } ret = dict_set_str (reply, "process-uuid", xl->ctx->process_uuid); ret = dict_set_uint64 (reply, "transport-ptr", ((uint64_t) (long) trans)); fail: dict_len = dict_serialized_length (reply); if (dict_len < 0) { gf_log ("server", GF_LOG_DEBUG, "failed to get serialized length of reply dict"); op_ret = -1; op_errno = EINVAL; dict_len = 0; } rsp_hdr = gf_hdr_new (rsp, dict_len); rsp_hdrlen = gf_hdr_len (rsp, dict_len); rsp = gf_param (rsp_hdr); if (dict_len) { ret = dict_serialize (reply, rsp->buf); if (ret < 0) { gf_log ("server", GF_LOG_DEBUG, "failed to serialize reply dict"); op_ret = -1; op_errno = -ret; } } rsp->dict_len = hton32 (dict_len); rsp_hdr->rsp.op_ret = hton32 (op_ret); gf_errno = gf_errno_to_error (op_errno); rsp_hdr->rsp.op_errno = hton32 (gf_errno); protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_SETVOLUME, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); dict_unref (params); dict_unref (reply); dict_unref (config_params); return 0; } static int mop_ping (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; size_t rsp_hdrlen = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); hdr->rsp.op_ret = 0; protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_PING, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } static int mop_log (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_mop_log_req_t * req = NULL; char * msg = NULL; uint32_t msglen = 0; transport_t * trans = NULL; trans = TRANSPORT_FROM_FRAME (frame); req = gf_param (hdr); msglen = ntoh32 (req->msglen); if (msglen) msg = req->msg; gf_log_from_client (msg, trans->peerinfo.identifier); return 0; } /* ENOSYS operations (for backword compatibility) */ static int server_setdents (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ size_t rsp_hdrlen = 0; int32_t gf_errno = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); gf_errno = gf_errno_to_error (ENOSYS); hdr->rsp.op_errno = hton32 (gf_errno); hdr->rsp.op_ret = -1; protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_SETDENTS, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } /* */ static int server_getdents (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ size_t rsp_hdrlen = 0; int32_t gf_errno = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); gf_errno = gf_errno_to_error (ENOSYS); hdr->rsp.op_errno = hton32 (gf_errno); hdr->rsp.op_ret = -1; protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_GETDENTS, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } /* */ static int server_lock_notify (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ size_t rsp_hdrlen = 0; int32_t gf_errno = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); gf_errno = gf_errno_to_error (ENOSYS); hdr->rsp.op_errno = hton32 (gf_errno); hdr->rsp.op_ret = -1; protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LOCK_NOTIFY, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } /* */ static int server_lock_fnotify (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ size_t rsp_hdrlen = 0; int32_t gf_errno = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); gf_errno = gf_errno_to_error (ENOSYS); hdr->rsp.op_errno = hton32 (gf_errno); hdr->rsp.op_ret = -1; protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_PROTO_FOP_LOCK_FNOTIFY, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } static int mop_stats (call_frame_t *frame, xlator_t *bound_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf) { gf_hdr_common_t *rsp_hdr = NULL; gf_mop_ping_rsp_t *rsp = NULL; /* Using for NULL */ size_t rsp_hdrlen = 0; int32_t gf_errno = 0; rsp_hdrlen = gf_hdr_len (rsp, 0); rsp_hdr = gf_hdr_new (rsp, 0); gf_errno = gf_errno_to_error (ENOSYS); hdr->rsp.op_errno = hton32 (gf_errno); hdr->rsp.op_ret = -1; protocol_server_reply (frame, GF_OP_TYPE_MOP_REPLY, GF_MOP_STATS, rsp_hdr, rsp_hdrlen, NULL, 0, NULL); return 0; } /* * get_frame_for_transport - get call frame for specified transport object * * @trans: transport object * */ static call_frame_t * get_frame_for_transport (transport_t *trans) { call_frame_t *frame = NULL; call_pool_t *pool = NULL; server_connection_t *conn = NULL; server_state_t *state = NULL;; GF_VALIDATE_OR_GOTO("server", trans, out); if (trans->xl && trans->xl->ctx) pool = trans->xl->ctx->pool; GF_VALIDATE_OR_GOTO("server", pool, out); frame = create_frame (trans->xl, pool); GF_VALIDATE_OR_GOTO("server", frame, out); state = GF_CALLOC (1, sizeof (*state), gf_server_mt_server_state_t); GF_VALIDATE_OR_GOTO("server", state, out); conn = trans->xl_private; if (conn) { if (conn->bound_xl) state->itable = conn->bound_xl->itable; state->bound_xl = conn->bound_xl; } state->trans = transport_ref (trans); state->resolve.fd_no = -1; state->resolve2.fd_no = -1; frame->root->trans = conn; frame->root->state = state; /* which socket */ frame->root->unique = 0; /* which call */ out: return frame; } static int server_decode_groups (call_frame_t *frame, gf_hdr_common_t *hdr) { int i = 0; if ((!frame) || (!hdr)) return 0; frame->root->ngrps = ntoh32 (hdr->req.ngrps); if (frame->root->ngrps == 0) return 0; if (frame->root->ngrps > GF_REQUEST_MAXGROUPS) return -1; for (; i < frame->root->ngrps; ++i) frame->root->groups[i] = ntoh32 (hdr->req.groups[i]); return 0; } /* * get_frame_for_call - create a frame into the capable of * generating and replying the reply packet by itself. * By making a call with this frame, the last UNWIND * function will have all needed state from its * frame_t->root to send reply. * @trans: * @blk: * @params: * * not for external reference */ static call_frame_t * get_frame_for_call (transport_t *trans, gf_hdr_common_t *hdr) { call_frame_t *frame = NULL; int32_t ret = -1; frame = get_frame_for_transport (trans); frame->root->op = ntoh32 (hdr->op); frame->root->type = ntoh32 (hdr->type); frame->root->uid = ntoh32 (hdr->req.uid); frame->root->unique = ntoh64 (hdr->callid); /* which call */ frame->root->gid = ntoh32 (hdr->req.gid); frame->root->pid = ntoh32 (hdr->req.pid); frame->root->lk_owner = ntoh64 (hdr->req.lk_owner); ret = server_decode_groups (frame, hdr); if (ret) { //FRAME_DESTROY (frame); return NULL; } return frame; } /* * prototype of operations function for each of mop and * fop at server protocol level * * @frame: call frame pointer * @bound_xl: the xlator that this frame is bound to * @params: parameters dictionary * * to be used by protocol interpret, _not_ for exterenal reference */ typedef int32_t (*gf_op_t) (call_frame_t *frame, xlator_t *bould_xl, gf_hdr_common_t *hdr, size_t hdrlen, struct iobuf *iobuf); static gf_op_t gf_fops[] = { [GF_PROTO_FOP_STAT] = server_stat, [GF_PROTO_FOP_READLINK] = server_readlink, [GF_PROTO_FOP_MKNOD] = server_mknod, [GF_PROTO_FOP_MKDIR] = server_mkdir, [GF_PROTO_FOP_UNLINK] = server_unlink, [GF_PROTO_FOP_RMDIR] = server_rmdir, [GF_PROTO_FOP_SYMLINK] = server_symlink, [GF_PROTO_FOP_RENAME] = server_rename, [GF_PROTO_FOP_LINK] = server_link, [GF_PROTO_FOP_TRUNCATE] = server_truncate, [GF_PROTO_FOP_OPEN] = server_open, [GF_PROTO_FOP_READ] = server_readv, [GF_PROTO_FOP_WRITE] = server_writev, [GF_PROTO_FOP_STATFS] = server_statfs, [GF_PROTO_FOP_FLUSH] = server_flush, [GF_PROTO_FOP_FSYNC] = server_fsync, [GF_PROTO_FOP_SETXATTR] = server_setxattr, [GF_PROTO_FOP_GETXATTR] = server_getxattr, [GF_PROTO_FOP_FGETXATTR] = server_fgetxattr, [GF_PROTO_FOP_FSETXATTR] = server_fsetxattr, [GF_PROTO_FOP_REMOVEXATTR] = server_removexattr, [GF_PROTO_FOP_OPENDIR] = server_opendir, [GF_PROTO_FOP_FSYNCDIR] = server_fsyncdir, [GF_PROTO_FOP_ACCESS] = server_access, [GF_PROTO_FOP_CREATE] = server_create, [GF_PROTO_FOP_FTRUNCATE] = server_ftruncate, [GF_PROTO_FOP_FSTAT] = server_fstat, [GF_PROTO_FOP_LK] = server_lk, [GF_PROTO_FOP_LOOKUP] = server_lookup, [GF_PROTO_FOP_READDIR] = server_readdir, [GF_PROTO_FOP_READDIRP] = server_readdirp, [GF_PROTO_FOP_INODELK] = server_inodelk, [GF_PROTO_FOP_FINODELK] = server_finodelk, [GF_PROTO_FOP_ENTRYLK] = server_entrylk, [GF_PROTO_FOP_FENTRYLK] = server_fentrylk, [GF_PROTO_FOP_CHECKSUM] = server_checksum, [GF_PROTO_FOP_RCHECKSUM] = server_rchecksum, [GF_PROTO_FOP_XATTROP] = server_xattrop, [GF_PROTO_FOP_FXATTROP] = server_fxattrop, [GF_PROTO_FOP_SETATTR] = server_setattr, [GF_PROTO_FOP_FSETATTR] = server_fsetattr, [GF_PROTO_FOP_SETDENTS] = server_setdents, [GF_PROTO_FOP_GETDENTS] = server_getdents, [GF_PROTO_FOP_LOCK_NOTIFY] = server_lock_notify, [GF_PROTO_FOP_LOCK_FNOTIFY] = server_lock_fnotify, }; static gf_op_t gf_mops[] = { [GF_MOP_SETVOLUME] = mop_setvolume, [GF_MOP_GETVOLUME] = mop_getvolume, [GF_MOP_GETSPEC] = mop_getspec, [GF_MOP_PING] = mop_ping, [GF_MOP_LOG] = mop_log, [GF_MOP_STATS] = mop_stats, }; static gf_op_t gf_cbks[] = { [GF_CBK_FORGET] = server_forget, [GF_CBK_RELEASE] = server_release, [GF_CBK_RELEASEDIR] = server_releasedir }; static int protocol_server_interpret (xlator_t *this, transport_t *trans, char *hdr_p, size_t hdrlen, struct iobuf *iobuf) { server_connection_t *conn = NULL; gf_hdr_common_t *hdr = NULL; xlator_t *bound_xl = NULL; call_frame_t *frame = NULL; peer_info_t *peerinfo = NULL; int32_t type = -1; int32_t op = -1; int32_t ret = -1; hdr = (gf_hdr_common_t *)hdr_p; type = ntoh32 (hdr->type); op = ntoh32 (hdr->op); conn = trans->xl_private; if (conn) bound_xl = conn->bound_xl; peerinfo = &trans->peerinfo; switch (type) { case GF_OP_TYPE_FOP_REQUEST: if ((op < 0) || (op >= GF_PROTO_FOP_MAXVALUE)) { gf_log (this->name, GF_LOG_ERROR, "invalid fop %"PRId32" from client %s", op, peerinfo->identifier); break; } if (bound_xl == NULL) { gf_log (this->name, GF_LOG_ERROR, "Received fop %"PRId32" before " "authentication.", op); break; } frame = get_frame_for_call (trans, hdr); if (!frame) { ret = -1; goto out; } frame->op = op; ret = gf_fops[op] (frame, bound_xl, hdr, hdrlen, iobuf); break; case GF_OP_TYPE_MOP_REQUEST: if ((op < 0) || (op >= GF_MOP_MAXVALUE)) { gf_log (this->name, GF_LOG_ERROR, "invalid mop %"PRId32" from client %s", op, peerinfo->identifier); break; } frame = get_frame_for_call (trans, hdr); if (!frame) { ret = -1; goto out; } frame->op = op; ret = gf_mops[op] (frame, bound_xl, hdr, hdrlen, iobuf); break; case GF_OP_TYPE_CBK_REQUEST: if ((op < 0) || (op >= GF_CBK_MAXVALUE)) { gf_log (this->name, GF_LOG_ERROR, "invalid cbk %"PRId32" from client %s", op, peerinfo->identifier); break; } if (bound_xl == NULL) { gf_log (this->name, GF_LOG_ERROR, "Received cbk %d before authentication.", op); break; } frame = get_frame_for_call (trans, hdr); if (!frame) { ret = -1; goto out; } ret = gf_cbks[op] (frame, bound_xl, hdr, hdrlen, iobuf); break; default: break; } out: return ret; } /* * server_fd - fdtable dump function for server protocol * @this: * */ static int server_fd (xlator_t *this) { server_conf_t *conf = NULL; server_connection_t *trav = NULL; char key[GF_DUMP_MAX_BUF_LEN]; int i = 1; int ret = -1; if (!this) return -1; conf = this->private; if (!conf) { gf_log (this->name, GF_LOG_WARNING, "conf null in xlator"); return -1; } gf_proc_dump_add_section("xlator.protocol.server.conn"); ret = pthread_mutex_trylock (&conf->mutex); if (ret) { gf_log("", GF_LOG_WARNING, "Unable to dump fdtable" " errno: %d", errno); return -1; } list_for_each_entry (trav, &conf->conns, list) { if (trav->id) { gf_proc_dump_build_key(key, "xlator.protocol.server.conn", "%d.id", i); gf_proc_dump_write(key, "%s", trav->id); } gf_proc_dump_build_key(key,"xlator.protocol.server.conn", "%d.ref",i) gf_proc_dump_write(key, "%d", trav->ref); if (trav->bound_xl) { gf_proc_dump_build_key(key, "xlator.protocol.server.conn", "%d.bound_xl", i); gf_proc_dump_write(key, "%s", trav->bound_xl->name); } gf_proc_dump_build_key(key, "xlator.protocol.server.conn", "%d.id", i); fdtable_dump(trav->fdtable,key); i++; } pthread_mutex_unlock (&conf->mutex); return 0; } static int server_priv (xlator_t *this) { return 0; } static int server_inode (xlator_t *this) { server_conf_t *conf = NULL; server_connection_t *trav = NULL; char key[GF_DUMP_MAX_BUF_LEN]; int i = 1; int ret = -1; if (!this) return -1; conf = this->private; if (!conf) { gf_log (this->name, GF_LOG_WARNING, "conf null in xlator"); return -1; } ret = pthread_mutex_trylock (&conf->mutex); if (ret) { gf_log("", GF_LOG_WARNING, "Unable to dump itable" " errno: %d", errno); return -1; } list_for_each_entry (trav, &conf->conns, list) { if (trav->bound_xl && trav->bound_xl->itable) { gf_proc_dump_build_key(key, "xlator.protocol.server.conn", "%d.bound_xl.%s", i, trav->bound_xl->name); inode_table_dump(trav->bound_xl->itable,key); i++; } } pthread_mutex_unlock (&conf->mutex); return 0; } static void get_auth_types (dict_t *this, char *key, data_t *value, void *data) { dict_t *auth_dict = NULL; char *saveptr = NULL; char *tmp = NULL; char *key_cpy = NULL; int32_t ret = -1; auth_dict = data; key_cpy = gf_strdup (key); GF_VALIDATE_OR_GOTO("server", key_cpy, out); tmp = strtok_r (key_cpy, ".", &saveptr); ret = strcmp (tmp, "auth"); if (ret == 0) { tmp = strtok_r (NULL, ".", &saveptr); if (strcmp (tmp, "ip") == 0) { /* TODO: backward compatibility, remove when newer versions are available */ tmp = "addr"; gf_log ("server", GF_LOG_WARNING, "assuming 'auth.ip' to be 'auth.addr'"); } ret = dict_set_dynptr (auth_dict, tmp, NULL, 0); if (ret < 0) { gf_log ("server", GF_LOG_DEBUG, "failed to dict_set_dynptr"); } } GF_FREE (key_cpy); out: return; } static int validate_auth_options (xlator_t *this, dict_t *dict) { int ret = -1; int error = 0; xlator_list_t *trav = NULL; data_pair_t *pair = NULL; char *saveptr = NULL; char *tmp = NULL; char *key_cpy = NULL; trav = this->children; while (trav) { error = -1; for (pair = dict->members_list; pair; pair = pair->next) { key_cpy = gf_strdup (pair->key); tmp = strtok_r (key_cpy, ".", &saveptr); ret = strcmp (tmp, "auth"); if (ret == 0) { /* for module type */ tmp = strtok_r (NULL, ".", &saveptr); /* for volume name */ tmp = strtok_r (NULL, ".", &saveptr); } if (strcmp (tmp, trav->xlator->name) == 0) { error = 0; GF_FREE (key_cpy); break; } GF_FREE (key_cpy); } if (-1 == error) { gf_log (this->name, GF_LOG_ERROR, "volume '%s' defined as subvolume, but no " "authentication defined for the same", trav->xlator->name); break; } trav = trav->next; } return error; } int32_t mem_acct_init (xlator_t *this) { int ret = -1; if (!this) return ret; ret = xlator_mem_acct_init (this, gf_server_mt_end + 1); if (ret != 0) { gf_log (this->name, GF_LOG_ERROR, "Memory accounting init" " failed"); return ret; } return ret; } /* * init - called during server protocol initialization * * @this: * */ int init (xlator_t *this) { int32_t ret = -1; transport_t *trans = NULL; server_conf_t *conf = NULL; data_t *data = NULL; data_t *trace = NULL; if (this->children == NULL) { gf_log (this->name, GF_LOG_ERROR, "protocol/server should have subvolume"); goto out; } trans = transport_load (this->options, this); if (trans == NULL) { gf_log (this->name, GF_LOG_ERROR, "failed to load transport"); goto out; } ret = transport_listen (trans); if (ret == -1) { gf_log (this->name, GF_LOG_ERROR, "failed to bind/listen on socket"); goto out; } conf = GF_CALLOC (1, sizeof (server_conf_t), gf_server_mt_server_conf_t); GF_VALIDATE_OR_GOTO(this->name, conf, out); INIT_LIST_HEAD (&conf->conns); pthread_mutex_init (&conf->mutex, NULL); conf->trans = trans; conf->auth_modules = dict_new (); GF_VALIDATE_OR_GOTO(this->name, conf->auth_modules, out); dict_foreach (this->options, get_auth_types, conf->auth_modules); ret = validate_auth_options (this, this->options); if (ret == -1) { /* logging already done in validate_auth_options function. */ goto out; } ret = gf_auth_init (this, conf->auth_modules); if (ret) { dict_unref (conf->auth_modules); goto out; } this->private = conf; ret = dict_get_int32 (this->options, "inode-lru-limit", &conf->inode_lru_limit); if (ret < 0) { conf->inode_lru_limit = 1024; } ret = dict_get_int32 (this->options, "limits.transaction-size", &conf->max_block_size); if (ret < 0) { gf_log (this->name, GF_LOG_TRACE, "defaulting limits.transaction-size to %d", DEFAULT_BLOCK_SIZE); conf->max_block_size = DEFAULT_BLOCK_SIZE; } conf->verify_volfile_checksum = 1; data = dict_get (this->options, "verify-volfile-checksum"); if (data) { ret = gf_string2boolean(data->data, &conf->verify_volfile_checksum); if (ret != 0) { gf_log (this->name, GF_LOG_DEBUG, "wrong value for verify-volfile-checksum"); conf->verify_volfile_checksum = 1; } } trace = dict_get (this->options, "trace"); if (trace) { if (gf_string2boolean (trace->data, &conf->trace) == -1) { gf_log (this->name, GF_LOG_ERROR, "'trace' takes on only boolean values."); return -1; } } #ifndef GF_DARWIN_HOST_OS { struct rlimit lim; lim.rlim_cur = 1048576; lim.rlim_max = 1048576; if (setrlimit (RLIMIT_NOFILE, &lim) == -1) { gf_log (this->name, GF_LOG_WARNING, "WARNING: Failed to set 'ulimit -n 1M': %s", strerror(errno)); lim.rlim_cur = 65536; lim.rlim_max = 65536; if (setrlimit (RLIMIT_NOFILE, &lim) == -1) { gf_log (this->name, GF_LOG_WARNING, "Failed to set max open fd to 64k: %s", strerror(errno)); } else { gf_log (this->name, GF_LOG_TRACE, "max open fd set to 64k"); } } } #endif this->graph->top = this; ret = 0; out: return ret; } static int protocol_server_pollin (xlator_t *this, transport_t *trans) { char *hdr = NULL; size_t hdrlen = 0; int ret = -1; struct iobuf *iobuf = NULL; ret = transport_receive (trans, &hdr, &hdrlen, &iobuf); if (ret == 0) ret = protocol_server_interpret (this, trans, hdr, hdrlen, iobuf); /* TODO: use mem-pool */ GF_FREE (hdr); return ret; } /* * fini - finish function for server protocol, called before * unloading server protocol. * * @this: * */ void fini (xlator_t *this) { server_conf_t *conf = this->private; GF_VALIDATE_OR_GOTO(this->name, conf, out); if (conf->auth_modules) { dict_unref (conf->auth_modules); } GF_FREE (conf); this->private = NULL; out: return; } /* * server_protocol_notify - notify function for server protocol * @this: * @trans: * @event: * */ int notify (xlator_t *this, int32_t event, void *data, ...) { int ret = 0; transport_t *trans = NULL; peer_info_t *peerinfo = NULL; peer_info_t *myinfo = NULL; THIS = this; trans = data; if (!trans) { gf_log (this->name, GF_LOG_ERROR, "!trans"); goto out; } peerinfo = &(trans->peerinfo); myinfo = &(trans->myinfo); switch (event) { case GF_EVENT_POLLIN: ret = protocol_server_pollin (this, trans); break; case GF_EVENT_POLLERR: { gf_log (trans->xl->name, GF_LOG_INFO, "%s disconnected", peerinfo->identifier); ret = -1; transport_disconnect (trans); if (trans->xl_private == NULL) { gf_log (this->name, GF_LOG_DEBUG, "POLLERR received on (%s) even before " "handshake with (%s) is successful", myinfo->identifier, peerinfo->identifier); } else { /* * FIXME: shouldn't we check for return value? * what should be done if cleanup fails? */ gf_server_connection_cleanup (this, trans->xl_private); } } break; case GF_EVENT_TRANSPORT_CLEANUP: { if (trans->xl_private) { gf_server_connection_put (this, trans->xl_private); } else { gf_log (this->name, GF_LOG_DEBUG, "transport (%s) cleaned up even before " "handshake with (%s) is successful", myinfo->identifier, peerinfo->identifier); } } break; default: default_notify (this, event, data); break; } out: return ret; } struct xlator_fops fops = { }; struct xlator_cbks cbks = { }; struct xlator_dumpops dumpops = { .inode = server_inode, .priv = server_priv, .fd = server_fd, }; struct volume_options options[] = { { .key = {"transport-type"}, .value = {"tcp", "socket", "ib-verbs", "unix", "ib-sdp", "tcp/server", "ib-verbs/server"}, .type = GF_OPTION_TYPE_STR }, { .key = {"volume-filename.*"}, .type = GF_OPTION_TYPE_PATH, }, { .key = {"inode-lru-limit"}, .type = GF_OPTION_TYPE_INT, .min = 0, .max = (1 * GF_UNIT_MB) }, { .key = {"client-volume-filename"}, .type = GF_OPTION_TYPE_PATH }, { .key = {"verify-volfile-checksum"}, .type = GF_OPTION_TYPE_BOOL }, { .key = {"trace"}, .type = GF_OPTION_TYPE_BOOL }, { .key = {"conf-dir"}, .type = GF_OPTION_TYPE_PATH, }, { .key = {NULL} }, };