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authorShehjar Tikoo <shehjart@gluster.com>2009-10-02 03:08:05 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-10-06 06:35:29 -0700
commit6968e06d007c57084414dfd433f005175b5ddc23 (patch)
treeef6c80e3d0ed4dd51b737e4aa98c8e161ef97ad5
parent4b624979ce50a4fbdb34bc93241b6591d64b7f0a (diff)
server: Support readdirp fop
Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 292 (Separate readdirp functionality from readdir fop) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=292
-rw-r--r--xlators/protocol/server/src/server-protocol.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/xlators/protocol/server/src/server-protocol.c b/xlators/protocol/server/src/server-protocol.c
index 88f5cb61d16..56c65bec7b8 100644
--- a/xlators/protocol/server/src/server-protocol.c
+++ b/xlators/protocol/server/src/server-protocol.c
@@ -4947,6 +4947,114 @@ out:
return 0;
}
+/*
+ * server_readdirp_cbk - getdents callback for server protocol
+ * @frame: call frame
+ * @cookie:
+ * @this:
+ * @op_ret:
+ * @op_errno:
+ *
+ * not for external reference
+ */
+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->fd_no,
+ state->fd ? state->fd->inode->ino : 0, op_ret,
+ strerror (op_errno));
+ }
+
+ protocol_server_reply (frame, GF_OP_TYPE_FOP_REPLY, GF_FOP_READDIRP,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+}
+
+
+
+/*
+ * server_readdirp - readdirp function for server protocol
+ * @frame: call frame
+ * @bound_xl:
+ * @params: parameter dictionary
+ *
+ * not for external reference
+ */
+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->fd_no = ntoh64 (req->fd);
+ if (state->fd_no >= 0)
+ state->fd = gf_fd_fdptr_get (conn->fdtable,
+ state->fd_no);
+
+ state->size = ntoh32 (req->size);
+ state->offset = ntoh64 (req->offset);
+ }
+
+
+ if (state->fd == NULL) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "fd - %"PRId64": unresolved fd",
+ state->fd_no);
+
+ server_readdirp_cbk (frame, NULL, frame->this, -1, EBADF, NULL);
+ goto out;
+ }
+
+ gf_log (bound_xl->name, GF_LOG_TRACE,
+ "%"PRId64": READDIRP \'fd=%"PRId64" (%"PRId64"); "
+ "offset=%"PRId64"; size=%"PRId64,
+ frame->root->unique, state->fd_no, state->fd->inode->ino,
+ state->offset, (int64_t)state->size);
+
+ STACK_WIND (frame, server_readdirp_cbk, bound_xl,
+ bound_xl->fops->readdirp, state->fd, state->size,
+ state->offset);
+out:
+ return 0;
+}
+
+
/*
* server_readdir - readdir function for server protocol
@@ -7189,6 +7297,7 @@ static gf_op_t gf_fops[] = {
[GF_FOP_LOOKUP] = server_lookup,
[GF_FOP_SETDENTS] = server_setdents,
[GF_FOP_READDIR] = server_readdir,
+ [GF_FOP_READDIRP] = server_readdirp,
[GF_FOP_INODELK] = server_inodelk,
[GF_FOP_FINODELK] = server_finodelk,
[GF_FOP_ENTRYLK] = server_entrylk,