diff options
Diffstat (limited to 'xlators/features/changetimerecorder')
7 files changed, 1959 insertions, 0 deletions
diff --git a/xlators/features/changetimerecorder/Makefile.am b/xlators/features/changetimerecorder/Makefile.am new file mode 100644 index 00000000000..a985f42a877 --- /dev/null +++ b/xlators/features/changetimerecorder/Makefile.am @@ -0,0 +1,3 @@ +SUBDIRS = src + +CLEANFILES = diff --git a/xlators/features/changetimerecorder/src/Makefile.am b/xlators/features/changetimerecorder/src/Makefile.am new file mode 100644 index 00000000000..b124728076f --- /dev/null +++ b/xlators/features/changetimerecorder/src/Makefile.am @@ -0,0 +1,25 @@ +xlator_LTLIBRARIES = changetimerecorder.la +xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features + +changetimerecorder_la_LDFLAGS = -module -avoid-version + +changetimerecorder_la_SOURCES = changetimerecorder.c ctr-helper.c + +changetimerecorder_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la\ + $(top_builddir)/libglusterfs/src/gfdb/libgfdb.la\ + $(top_builddir)/api/src/libgfapi.la\ + $(top_builddir)/rpc/rpc-lib/src/libgfrpc.la\ + -lsqlite3 + +noinst_HEADERS = changetimerecorder.h ctr_mem_types.h ctr-helper.h + +AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \ + -I$(top_srcdir)/libglusterfs/src/gfdb \ + -I$(top_srcdir)/api/src \ + -I$(top_srcdir)/rpc/rpc-lib/src \ + -I$(top_srcdir)/rpc/xdr/src \ + -DDATADIR=\"$(localstatedir)\" + +AM_CFLAGS = -Wall $(GF_CFLAGS) + +CLEANFILES = diff --git a/xlators/features/changetimerecorder/src/changetimerecorder.c b/xlators/features/changetimerecorder/src/changetimerecorder.c new file mode 100644 index 00000000000..4a3ee339676 --- /dev/null +++ b/xlators/features/changetimerecorder/src/changetimerecorder.c @@ -0,0 +1,1184 @@ +/* + Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ +#include <ctype.h> +#include <sys/uio.h> + +#include "ctr-helper.h" + +/****************************WRITEV********************************************/ +int32_t +ctr_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, + dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_INODE_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting writev unwind"); + } + + +out: + STACK_UNWIND_STRICT (writev, frame, op_ret, op_errno, prebuf, + postbuf, xdata); + + return 0; +} + +int32_t +ctr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, + struct iovec *vector, int32_t count, off_t off, + uint32_t flags, + struct iobref *iobref, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, fd->inode->ia_type, + fd->inode->gfid, NULL, NULL, + GFDB_FOP_INODE_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting writev wind"); + } + +out: + STACK_WIND (frame, ctr_writev_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->writev, fd, vector, count, + off, flags, iobref, xdata); + + return 0; +} + +/******************************setattr*****************************************/ + +int32_t +ctr_setattr_cbk (call_frame_t *frame, + void *cookie, xlator_t *this, int32_t op_ret, + int32_t op_errno, struct iatt *preop_stbuf, + struct iatt *postop_stbuf, dict_t *xdata) +{ + + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_INODE_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting setattr unwind"); + } + +out: + STACK_UNWIND_STRICT (setattr, frame, op_ret, op_errno, preop_stbuf, + postop_stbuf, xdata); + + return 0; +} + +int32_t +ctr_setattr (call_frame_t *frame, + xlator_t *this, loc_t *loc, + struct iatt *stbuf, int32_t valid, dict_t *xdata) +{ + + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, loc->inode->ia_type, + loc->inode->gfid, NULL, NULL, GFDB_FOP_INODE_WRITE, + GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting setattr wind"); + } +out: + + STACK_WIND (frame, ctr_setattr_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->setattr, loc, stbuf, + valid, xdata); + + return 0; +} + +/****************************fremovexattr************************************/ + +int32_t +ctr_fremovexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_INODE_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting fremovexattr unwind"); + } + +out: + STACK_UNWIND_STRICT (fremovexattr, frame, op_ret, op_errno, xdata); + + return 0; +} + +int32_t +ctr_fremovexattr (call_frame_t *frame, xlator_t *this, fd_t *fd, + const char *name, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, fd->inode->ia_type, + fd->inode->gfid, NULL, NULL, GFDB_FOP_INODE_WRITE, + GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting fremovexattr wind"); + } + +out: + STACK_WIND (frame, ctr_fremovexattr_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->fremovexattr, + fd, name, xdata); + return 0; +} + +/****************************removexattr*************************************/ + +int32_t +ctr_removexattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_INODE_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting removexattr unwind"); + } + +out: + STACK_UNWIND_STRICT (removexattr, frame, op_ret, op_errno, xdata); + + return 0; +} + +int32_t +ctr_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc, + const char *name, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, loc->inode->ia_type, + loc->inode->gfid, NULL, NULL, GFDB_FOP_INODE_WRITE, + GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting removexattr wind"); + } + +out: + STACK_WIND (frame, ctr_removexattr_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->removexattr, + loc, name, xdata); + return 0; +} + +/****************************truncate****************************************/ + +int32_t +ctr_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, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_INODE_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting truncate unwind"); + } + + +out: + STACK_UNWIND_STRICT (truncate, frame, op_ret, op_errno, prebuf, + postbuf, xdata); + + return 0; +} + +int32_t +ctr_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, + off_t offset, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, loc->inode->ia_type, + loc->inode->gfid, NULL, NULL, GFDB_FOP_INODE_WRITE, + GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting truncate wind"); + } +out: + STACK_WIND (frame, ctr_truncate_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->truncate, + loc, offset, xdata); + return 0; +} + +/****************************ftruncate***************************************/ + +int32_t +ctr_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, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_INODE_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting ftruncate unwind"); + } + +out: + STACK_UNWIND_STRICT (ftruncate, frame, op_ret, op_errno, prebuf, + postbuf, xdata); + + return 0; +} + +int32_t +ctr_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, + off_t offset, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, fd->inode->ia_type, + fd->inode->gfid, NULL, NULL, GFDB_FOP_INODE_WRITE, + GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting ftruncate wind"); + } + +out: + STACK_WIND (frame, ctr_ftruncate_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->ftruncate, + fd, offset, xdata); + return 0; +} + +/****************************rename******************************************/ + +int32_t +ctr_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, struct iatt *buf, + struct iatt *preoldparent, struct iatt *postoldparent, + struct iatt *prenewparent, struct iatt *postnewparent, + dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, + GFDB_FOP_DENTRY_WRITE, GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting rename unwind"); + } + +out: + STACK_UNWIND_STRICT (rename, frame, op_ret, op_errno, buf, + preoldparent, postoldparent, prenewparent, + postnewparent, + xdata); + + return 0; +} + +int32_t +ctr_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, + loc_t *newloc, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + gf_ctr_link_context_t new_link_cx, old_link_cx; + gf_ctr_link_context_t *_nlink_cx = &new_link_cx; + gf_ctr_link_context_t *_olink_cx = &old_link_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill old link context*/ + FILL_CTR_LINK_CX(_olink_cx, oldloc->pargfid, oldloc->name, + oldloc->path); + + /*Fill new link context*/ + FILL_CTR_LINK_CX(_nlink_cx, newloc->pargfid, newloc->name, + newloc->path); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, oldloc->inode->ia_type, + oldloc->inode->gfid, _nlink_cx, _olink_cx, + GFDB_FOP_DENTRY_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting rename wind"); + } + +out: + STACK_WIND (frame, ctr_rename_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->rename, + oldloc, newloc, xdata); + return 0; +} + +/****************************unlink******************************************/ +int32_t +ctr_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, dict_t *xdata) +{ + int ret = -1; + uint32_t remaining_links = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + if (!xdata) + goto out; + + /* + * + * Extracting CTR_RESPONSE_LINK_COUNT_XDATA from POSIX Xlator + * + * */ + ret = dict_get_uint32 (xdata , CTR_RESPONSE_LINK_COUNT_XDATA, + &remaining_links); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed to getting CTR_RESPONSE_LINK_COUNT_XDATA"); + remaining_links = -1; + } + + /*As the xdata is no more required by CTR Xlator.*/ + if (xdata) { + dict_unref (xdata); + } + + /*This is not the only link*/ + if (remaining_links != 1) { + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_DENTRY_WRITE, + GFDB_FOP_UNDEL); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting unlink unwind"); + } + } + /*Last link that was deleted*/ + else if (remaining_links == 1) { + ret = ctr_insert_unwind(frame, this, GFDB_FOP_DENTRY_WRITE, + GFDB_FOP_UNDEL_ALL); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting unlink unwind"); + } + } + + + +out: + STACK_UNWIND_STRICT (unlink, frame, op_ret, op_errno, preparent, + postparent, NULL); + + return 0; +} + +int32_t +ctr_unlink (call_frame_t *frame, xlator_t *this, + loc_t *loc, int xflag, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + gf_ctr_link_context_t ctr_link_cx; + gf_ctr_link_context_t *_link_cx = &ctr_link_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill link context*/ + FILL_CTR_LINK_CX(_link_cx, loc->pargfid, loc->name, loc->path); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, loc->inode->ia_type, + loc->inode->gfid, _link_cx, NULL, + GFDB_FOP_DENTRY_WRITE, GFDB_FOP_WDEL); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting unlink wind"); + } + + + + /* + * + * Sending CTR_REQUEST_LINK_COUNT_XDATA + * to POSIX Xlator to send link count in unwind path + * + * */ + /*create xdata if NULL*/ + if (!xdata) + xdata = dict_new(); + if (!xdata) { + gf_log (this->name, GF_LOG_ERROR, + "xdata is NULL :" + "Cannot send CTR_REQUEST_LINK_COUNT_XDATA" + "to posix"); + goto out; + } + + ret = dict_set_int32 (xdata, CTR_REQUEST_LINK_COUNT_XDATA, 1); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed setting CTR_REQUEST_LINK_COUNT_XDATA"); + if (xdata) { + dict_unref (xdata); + } + goto out; + } + + + +out: + STACK_WIND (frame, ctr_unlink_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->unlink, + loc, xflag, xdata); + return 0; +} + +/****************************fsync******************************************/ +int32_t +ctr_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, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_INODE_WRITE, + GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting fsync unwind"); + } + +out: + STACK_UNWIND_STRICT (fsync, frame, op_ret, op_errno, prebuf, postbuf, + xdata); + + return 0; +} + +int32_t +ctr_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, + int32_t flags, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, fd->inode->ia_type, + fd->inode->gfid, NULL, NULL, + GFDB_FOP_INODE_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting fsync wind"); + } + +out: + STACK_WIND (frame, ctr_fsync_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->fsync, + fd, flags, xdata); + return 0; +} + +/****************************setxattr****************************************/ + +int +ctr_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_INODE_WRITE, + GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting fsync unwind"); + } + + +out: + STACK_UNWIND_STRICT (setxattr, frame, op_ret, op_errno, xdata); + + return 0; +} + +int +ctr_setxattr (call_frame_t *frame, xlator_t *this, + loc_t *loc, dict_t *xattr, int flags, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, loc->inode->ia_type, + loc->inode->gfid, NULL, NULL, + GFDB_FOP_INODE_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting setxattr wind"); + } + +out: + STACK_WIND (frame, ctr_setxattr_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->setxattr, + loc, xattr, flags, xdata); + return 0; +} + +/****************************mknod*******************************************/ + + +int32_t +ctr_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, struct iatt *preparent, + struct iatt *postparent, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_CREATE_WRITE, + GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting mknod unwind"); + } + +out: + STACK_UNWIND_STRICT (mknod, frame, op_ret, op_errno, inode, buf, + preparent, postparent, xdata); + + return 0; +} + + +int +ctr_mknod (call_frame_t *frame, xlator_t *this, + loc_t *loc, mode_t mode, dev_t rdev, mode_t umask, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + gf_ctr_link_context_t ctr_link_cx; + gf_ctr_link_context_t *_link_cx = &ctr_link_cx; + void *uuid_req = NULL; + uuid_t gfid = {0,}; + uuid_t *ptr_gfid = &gfid; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + GF_ASSERT(frame); + GF_ASSERT(frame->root); + CTR_IF_REBALANCE_FOP_THEN_GOTO (frame, out); + CTR_IF_INTERNAL_FOP_THEN_GOTO (frame, xdata, out); + + /*get gfid from xdata dict*/ + ret = dict_get_ptr (xdata, "gfid-req", &uuid_req); + if (ret) { + gf_log (this->name, GF_LOG_DEBUG, + "failed to get gfid from dict"); + goto out; + } + uuid_copy (gfid, uuid_req); + + /*fill ctr link context*/ + FILL_CTR_LINK_CX (_link_cx, loc->pargfid, loc->name, loc->path); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT (_inode_cx, loc->inode->ia_type, + *ptr_gfid, _link_cx, NULL, + GFDB_FOP_CREATE_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting mknod wind"); + } + +out: + STACK_WIND (frame, ctr_mknod_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->mknod, + loc, mode, rdev, umask, xdata); + return 0; +} + +/****************************create******************************************/ +int +ctr_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int op_ret, int op_errno, + fd_t *fd, inode_t *inode, struct iatt *stbuf, + struct iatt *preparent, struct iatt *postparent, + dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_CREATE_WRITE, + GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting create unwind"); + } + +out: + STACK_UNWIND_STRICT (create, frame, op_ret, op_errno, fd, inode, + stbuf, + preparent, postparent, xdata); + + return 0; +} + +int +ctr_create (call_frame_t *frame, xlator_t *this, + loc_t *loc, int32_t flags, mode_t mode, + mode_t umask, fd_t *fd, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + gf_ctr_link_context_t ctr_link_cx; + gf_ctr_link_context_t *_link_cx = &ctr_link_cx; + void *uuid_req = NULL; + uuid_t gfid = {0,}; + uuid_t *ptr_gfid = &gfid; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Get GFID from Xdata dict*/ + ret = dict_get_ptr (xdata, "gfid-req", &uuid_req); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "failed to get gfid from dict"); + goto out; + } + uuid_copy (gfid, uuid_req); + + /*fill ctr link context*/ + FILL_CTR_LINK_CX(_link_cx, loc->pargfid, loc->name, loc->path); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, loc->inode->ia_type, + *ptr_gfid, _link_cx, NULL, + GFDB_FOP_CREATE_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, &ctr_inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting create wind"); + } +out: + STACK_WIND (frame, ctr_create_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->create, + loc, flags, mode, umask, fd, xdata); + return 0; +} + +/****************************link********************************************/ + +int +ctr_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int op_ret, int op_errno, + inode_t *inode, struct iatt *stbuf, struct iatt *preparent, + struct iatt *postparent, dict_t *xdata) +{ + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_DENTRY_WRITE, + GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting create unwind"); + } + +out: + STACK_UNWIND_STRICT (link, frame, op_ret, op_errno, inode, stbuf, + preparent, postparent, xdata); + return 0; +} + +int +ctr_link (call_frame_t *frame, xlator_t *this, + loc_t *oldloc, loc_t *newloc, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + gf_ctr_link_context_t ctr_link_cx; + gf_ctr_link_context_t *_link_cx = &ctr_link_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + CTR_IF_REBALANCE_FOP_THEN_GOTO (frame, out); + + /*fill ctr link context*/ + FILL_CTR_LINK_CX(_link_cx, newloc->pargfid, newloc->name, + newloc->path); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, oldloc->inode->ia_type, + oldloc->inode->gfid, _link_cx, NULL, + GFDB_FOP_DENTRY_WRITE, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting link wind"); + } + +out: + STACK_WIND (frame, ctr_link_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->link, + oldloc, newloc, xdata); + return 0; +} + +/******************************readv*****************************************/ +int ctr_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int op_ret, int op_errno, + struct iovec *vector, int count, struct iatt *stbuf, + struct iobref *iobref, dict_t *xdata) { + + int ret = -1; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + ret = ctr_insert_unwind(frame, this, GFDB_FOP_INODE_READ, + GFDB_FOP_UNWIND); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting create unwind"); + } + +out: + STACK_UNWIND_STRICT (readv, frame, op_ret, op_errno, vector, count, + stbuf, iobref, xdata); + return 0; +} + + +int +ctr_readv (call_frame_t *frame, xlator_t *this, + fd_t *fd, size_t size, off_t off, uint32_t flags, dict_t *xdata) +{ + int ret = -1; + gf_ctr_inode_context_t ctr_inode_cx; + gf_ctr_inode_context_t *_inode_cx = &ctr_inode_cx; + + CTR_IS_DISABLED_THEN_GOTO(this, out); + + /*Fill ctr inode context*/ + FILL_CTR_INODE_CONTEXT(_inode_cx, fd->inode->ia_type, + fd->inode->gfid, NULL, NULL, + GFDB_FOP_INODE_READ, GFDB_FOP_WIND); + + /*record into the database*/ + ret = ctr_insert_wind(frame, this, _inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "Failed inserting readv wind"); + } + +out: + STACK_WIND (frame, ctr_readv_cbk, FIRST_CHILD (this), + FIRST_CHILD (this)->fops->readv, + fd, size, off, flags, xdata); + return 0; +} +/******************************************************************************/ + +int +reconfigure (xlator_t *this, dict_t *options) +{ + char *temp_str = NULL; + int ret = 0; + gf_ctr_private_t *_priv = NULL; + + _priv = this->private; + if (dict_get_str(options, "changetimerecorder.frequency", + &temp_str)) { + gf_log(this->name, GF_LOG_INFO, "set!"); + } + + GF_OPTION_RECONF ("ctr-enabled", _priv->enabled, options, + bool, out); + + GF_OPTION_RECONF ("record-counters", _priv->ctr_record_counter, options, + bool, out); + + GF_OPTION_RECONF ("record-exit", _priv->ctr_record_unwind, options, + bool, out); + + GF_OPTION_RECONF ("record-entry", _priv->ctr_record_wind, options, + bool, out); + +out: + + return ret; +} + +/****************************init********************************************/ + +int32_t +init (xlator_t *this) +{ + gf_ctr_private_t *_priv = NULL; + int ret_db = -1; + dict_t *params_dict = NULL; + + GF_VALIDATE_OR_GOTO ("ctr", this, error); + + if (!this->children || this->children->next) { + gf_log (this->name, GF_LOG_ERROR, + "FATAL: ctr should have exactly one child"); + goto error; + } + + if (!this->parents) { + gf_log (this->name, GF_LOG_WARNING, + "dangling volume. check volfile "); + } + + _priv = GF_CALLOC (1, sizeof (*_priv), gf_ctr_mt_private_t); + if (!_priv) { + gf_log (this->name, GF_LOG_ERROR, + "Calloc didnt work!!!"); + goto error; + } + + /*Default values for the translator*/ + _priv->ctr_record_wind = _gf_true; + _priv->ctr_record_unwind = _gf_false; + _priv->ctr_hot_brick = _gf_false; + _priv->gfdb_db_type = GFDB_SQLITE3; + _priv->gfdb_sync_type = GFDB_DB_SYNC; + _priv->enabled = _gf_true; + _priv->_db_conn = NULL; + + /*Extract ctr xlator options*/ + ret_db = extract_ctr_options (this, _priv); + if (ret_db) { + gf_log (this->name, GF_LOG_ERROR, + "Failed extracting ctr xlator options"); + goto error; + } + + params_dict = dict_new (); + if (!params_dict) { + gf_log (this->name, GF_LOG_ERROR, + "DB Params cannot initialized!"); + goto error; + } + + /*Extract db params options*/ + ret_db = extract_db_params(this, params_dict, _priv->gfdb_db_type); + if (ret_db) { + gf_log (this->name, GF_LOG_ERROR, + "Failed extracting db params options"); + goto error; + } + + /*Create a memory pool for ctr xlator*/ + this->local_pool = mem_pool_new (gf_ctr_local_t, 64); + if (!this->local_pool) { + gf_log (this->name, GF_LOG_ERROR, + "failed to create local memory pool"); + goto error; + } + + /*Initialize Database Connection*/ + _priv->_db_conn = init_db(params_dict, _priv->gfdb_db_type); + if (!_priv->_db_conn) { + gf_log (this->name, GF_LOG_ERROR, + "FATAL: Failed initializing data base"); + goto error; + } + + ret_db = 0; + goto out; + +/*Error handling */ +error: + + if (this) + mem_pool_destroy (this->local_pool); + + if (_priv) { + GF_FREE (_priv->ctr_db_path); + } + GF_FREE (_priv); + + if (params_dict) + dict_unref (params_dict); + + return -1; + +out: + + if (params_dict) + dict_unref (params_dict); + + this->private = (void *)_priv; + return 0; +} + +int32_t +mem_acct_init (xlator_t *this) +{ + int ret = -1; + + GF_VALIDATE_OR_GOTO ("ctr", this, out); + + ret = xlator_mem_acct_init (this, gf_ctr_mt_end + 1); + + if (ret != 0) { + gf_log (this->name, GF_LOG_ERROR, "Memory accounting init" + "failed"); + return ret; + } +out: + return ret; +} + + +void +fini (xlator_t *this) +{ + gf_ctr_private_t *priv = NULL; + + priv = this->private; + + if (priv) { + if (fini_db (priv->_db_conn)) { + gf_log (this->name, GF_LOG_WARNING, "Failed closing " + "db connection"); + } + GF_FREE (priv->ctr_db_path); + } + GF_FREE (priv); + mem_pool_destroy (this->local_pool); + + return; +} + +struct xlator_fops fops = { + /*write fops */ + .mknod = ctr_mknod, + .create = ctr_create, + .truncate = ctr_truncate, + .ftruncate = ctr_ftruncate, + .setxattr = ctr_setxattr, + .removexattr = ctr_removexattr, + .unlink = ctr_unlink, + .link = ctr_link, + .rename = ctr_rename, + .writev = ctr_writev, + .setattr = ctr_setattr, + /*read fops*/ + .readv = ctr_readv +}; + +struct xlator_cbks cbks; + +struct volume_options options[] = { + { .key = {"ctr-enabled",}, + .type = GF_OPTION_TYPE_BOOL, + .value = {"on", "off"}, + .default_value = "off", + .description = "Enables the CTR" + }, + { .key = {"record-entry"}, + .type = GF_OPTION_TYPE_BOOL, + .value = {"on", "off"}, + .default_value = "on" + }, + { .key = {"record-exit"}, + .type = GF_OPTION_TYPE_BOOL, + .value = {"on", "off"}, + .default_value = "off" + }, + { .key = {"record-counters"}, + .type = GF_OPTION_TYPE_BOOL, + .value = {"on", "off"}, + .default_value = "off" + }, + { .key = {"hot-brick"}, + .type = GF_OPTION_TYPE_BOOL, + .value = {"on", "off"}, + .default_value = "off" + }, + { .key = {"db-type"}, + .type = GF_OPTION_TYPE_STR, + .value = {"hashfile", "rocksdb", "changelog", "sqlite3", + "hyperdex"}, + .default_value = "sqlite3" + }, + { .key = {"db-sync"}, + .type = GF_OPTION_TYPE_STR, + .value = {"sync", "async"}, + .default_value = "sync" + }, + { .key = {"db-path"}, + .type = GF_OPTION_TYPE_PATH + }, + { .key = {"db-name"}, + .type = GF_OPTION_TYPE_STR + }, + { .key = {GFDB_SQL_PARAM_SYNC}, + .type = GF_OPTION_TYPE_STR, + .value = {"off", "normal", "full"}, + .default_value = "normal" + }, + { .key = {GFDB_SQL_PARAM_JOURNAL_MODE}, + .type = GF_OPTION_TYPE_STR, + .value = {"delete", "truncate", "persist", "memory", "wal", "off"}, + .default_value = "wal" + }, + { .key = {GFDB_SQL_PARAM_AUTO_VACUUM}, + .type = GF_OPTION_TYPE_STR, + .value = {"off", "full", "incr"}, + .default_value = "off" + }, + { .key = {GFDB_SQL_PARAM_WAL_AUTOCHECK}, + .type = GF_OPTION_TYPE_INT, + .default_value = "1000" + }, + { .key = {GFDB_SQL_PARAM_CACHE_SIZE}, + .type = GF_OPTION_TYPE_INT, + .default_value = "1000" + }, + { .key = {GFDB_SQL_PARAM_PAGE_SIZE}, + .type = GF_OPTION_TYPE_INT, + .default_value = "4096" + }, + { .key = {NULL} }, +}; diff --git a/xlators/features/changetimerecorder/src/changetimerecorder.h b/xlators/features/changetimerecorder/src/changetimerecorder.h new file mode 100644 index 00000000000..6a963a56a2f --- /dev/null +++ b/xlators/features/changetimerecorder/src/changetimerecorder.h @@ -0,0 +1,26 @@ +/* + Copyright (c) 2006-2015 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef __CTR_H +#define __CTR_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "glusterfs.h" +#include "xlator.h" +#include "logging.h" +#include "common-utils.h" +#include "ctr_mem_types.h" +#include "ctr-helper.h" + +#endif /* __CTR_H */ diff --git a/xlators/features/changetimerecorder/src/ctr-helper.c b/xlators/features/changetimerecorder/src/ctr-helper.c new file mode 100644 index 00000000000..41eec753fe2 --- /dev/null +++ b/xlators/features/changetimerecorder/src/ctr-helper.c @@ -0,0 +1,253 @@ +/* + Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#include "ctr-helper.h" + + +/******************************************************************************* + * + * Fill unwind into db record + * + ******************************************************************************/ +int +fill_db_record_for_unwind(gf_ctr_local_t *ctr_local, + gfdb_fop_type_t fop_type, + gfdb_fop_path_t fop_path) +{ + int ret = -1; + gfdb_time_t *ctr_uwtime = NULL; + + GF_ASSERT(ctr_local); + + /*If not unwind path error*/ + if (!isunwindpath(fop_path)) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, "Wrong fop_path." + "Should be unwind"); + goto out; + } + + ctr_uwtime = &CTR_DB_REC(ctr_local).gfdb_unwind_change_time; + CTR_DB_REC(ctr_local).gfdb_fop_path = fop_path; + CTR_DB_REC(ctr_local).gfdb_fop_type = fop_type; + + /*Time is not recorded for internal fops*/ + if (!ctr_local->is_internal_fop) { + ret = gettimeofday (ctr_uwtime, NULL); + if (ret == -1) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "Error filling unwind time record %s", + strerror(errno)); + goto out; + } + } + ret = 0; +out: + return ret; +} + + +/******************************************************************************* + * + * Fill wind into db record + * + ******************************************************************************/ +int +fill_db_record_for_wind(gf_ctr_local_t *ctr_local, + gf_ctr_inode_context_t *ctr_inode_cx) +{ + int ret = -1; + gfdb_time_t *ctr_wtime = NULL; + + GF_ASSERT(ctr_local); + IS_CTR_INODE_CX_SANE(ctr_inode_cx); + + /*if not wind path error!*/ + if (!iswindpath(ctr_inode_cx->fop_path)) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "Wrong fop_path. Should be wind"); + goto out; + } + + ctr_wtime = &CTR_DB_REC(ctr_local).gfdb_wind_change_time; + CTR_DB_REC(ctr_local).gfdb_fop_path = ctr_inode_cx->fop_path; + CTR_DB_REC(ctr_local).gfdb_fop_type = ctr_inode_cx->fop_type; + + /*Time is not recorded for internal fops*/ + if (!ctr_local->is_internal_fop) { + ret = gettimeofday (ctr_wtime, NULL); + if (ret) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "Error filling wind time record %s", + strerror(errno)); + goto out; + } + } + + /*Copy gfid into db record*/ + uuid_copy (CTR_DB_REC(ctr_local).gfid, *(ctr_inode_cx->gfid)); + + /*Hard Links*/ + if (isdentryfop(ctr_inode_cx->fop_type)) { + /*new link fop*/ + if (NEW_LINK_CX(ctr_inode_cx)) { + uuid_copy (CTR_DB_REC(ctr_local).pargfid, + *((NEW_LINK_CX(ctr_inode_cx))->pargfid)); + strcpy (CTR_DB_REC(ctr_local).file_name, + NEW_LINK_CX(ctr_inode_cx)->basename); + strcpy (CTR_DB_REC(ctr_local).file_path, + NEW_LINK_CX(ctr_inode_cx)->basepath); + } + /*rename fop*/ + if (OLD_LINK_CX(ctr_inode_cx)) { + uuid_copy (CTR_DB_REC(ctr_local).old_pargfid, + *((OLD_LINK_CX(ctr_inode_cx))->pargfid)); + strcpy (CTR_DB_REC(ctr_local).old_file_name, + OLD_LINK_CX(ctr_inode_cx)->basename); + strcpy (CTR_DB_REC(ctr_local).old_path, + OLD_LINK_CX(ctr_inode_cx)->basepath); + } + } + + ret = 0; +out: + /*On error roll back and clean the record*/ + if (ret == -1) { + CLEAR_CTR_DB_RECORD (ctr_local); + } + return ret; +} + + +/****************************************************************************** + * + * CTR xlator init related functions + * + * + * ****************************************************************************/ +static int +extract_sql_params(xlator_t *this, dict_t *params_dict) +{ + int ret = -1; + char *db_path = NULL; + char *db_name = NULL; + char *db_full_path = NULL; + + GF_ASSERT (this); + GF_ASSERT (params_dict); + + /*Extract the path of the db*/ + db_path = NULL; + GET_DB_PARAM_FROM_DICT_DEFAULT(this->name, this->options, "db-path", + db_path, "/var/run/gluster/"); + + /*Extract the name of the db*/ + db_name = NULL; + GET_DB_PARAM_FROM_DICT_DEFAULT(this->name, this->options, "db-name", + db_name, "gf_ctr_db.db"); + + /*Construct full path of the db*/ + ret = gf_asprintf(&db_full_path, "%s/%s", db_path, db_name); + if (ret < 0) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "Construction of full db path failed!"); + goto out; + } + + /*Setting the SQL DB Path*/ + SET_DB_PARAM_TO_DICT(this->name, params_dict, GFDB_SQL_PARAM_DBPATH, + db_full_path, ret, out); + + /*Extact rest of the sql params*/ + ret = gfdb_set_sql_params(this->name, this->options, params_dict); + if (ret) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "Failed setting values to sql param dict!"); + } + + ret = 0; + +out: + if (ret) + GF_FREE (db_full_path); + return ret; +} + + + +int extract_db_params(xlator_t *this, dict_t *params_dict, + gfdb_db_type_t db_type) { + + int ret = -1; + + GF_ASSERT (this); + GF_ASSERT (params_dict); + + switch (db_type) { + case GFDB_SQLITE3: + ret = extract_sql_params(this, params_dict); + if (ret) + goto out; + break; + case GFDB_ROCKS_DB: + case GFDB_HYPERDEX: + case GFDB_HASH_FILE_STORE: + case GFDB_INVALID_DB: + case GFDB_DB_END: + ret = -1; + break; + } + ret = 0; +out: + return ret; +} + +int extract_ctr_options (xlator_t *this, gf_ctr_private_t *_priv) { + int ret = -1; + char *_val_str = NULL; + + GF_ASSERT (this); + GF_ASSERT (_priv); + + /*Checking if the CTR Translator is enabled. By Default its enabled*/ + _priv->enabled = _gf_false; + GF_OPTION_INIT ("ctr-enabled", _priv->enabled, bool, out); + if (!_priv->enabled) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "CTR Xlator is Disable!"); + ret = 0; + goto out; + } + + /*Extract db type*/ + GF_OPTION_INIT ("db-type", _val_str, str, out); + _priv->gfdb_db_type = gf_string2gfdbdbtype(_val_str); + + /*Extract flag for record on wind*/ + GF_OPTION_INIT ("record-entry", _priv->ctr_record_wind, bool, out); + + /*Extract flag for record on unwind*/ + GF_OPTION_INIT ("record-exit", _priv->ctr_record_unwind, bool, out); + + /*Extract flag for record on counters*/ + GF_OPTION_INIT ("record-counters", _priv->ctr_record_counter, bool, + out); + + /*Extract flag for hot tier brick*/ + GF_OPTION_INIT ("hot-brick", _priv->ctr_hot_brick, bool, out); + + /*Extract flag for sync mode*/ + GF_OPTION_INIT ("db-sync", _val_str, str, out); + _priv->gfdb_sync_type = gf_string2gfdbdbsync(_val_str); + + ret = 0; + +out: + return ret; +} diff --git a/xlators/features/changetimerecorder/src/ctr-helper.h b/xlators/features/changetimerecorder/src/ctr-helper.h new file mode 100644 index 00000000000..9f381e4791c --- /dev/null +++ b/xlators/features/changetimerecorder/src/ctr-helper.h @@ -0,0 +1,446 @@ +/* + Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef __CTR_HELPER_H +#define __CTR_HELPER_H + + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "xlator.h" +#include "ctr_mem_types.h" +#include "iatt.h" +#include "glusterfs.h" +#include "xlator.h" +#include "logging.h" +#include "common-utils.h" +#include <time.h> +#include <sys/time.h> + +#include "gfdb_data_store.h" + +/*CTR Xlator Private structure*/ +typedef struct gf_ctr_private { + gf_boolean_t enabled; + char *ctr_db_path; + gf_boolean_t ctr_hot_brick; + gf_boolean_t ctr_record_wind; + gf_boolean_t ctr_record_unwind; + gf_boolean_t ctr_record_counter; + gfdb_db_type_t gfdb_db_type; + gfdb_sync_type_t gfdb_sync_type; + gfdb_conn_node_t *_db_conn; +} gf_ctr_private_t; + + +/* + * gf_ctr_local_t is the ctr xlator local data structure that is stored in + * the call_frame of each FOP. + * + * gfdb_db_record: The gf_ctr_local contains a gfdb_db_record object, which is + * used by the insert_record() api from the libgfdb. The gfdb_db_record object + * will contain all the inode and hardlink(only for dentry fops: create, + * mknod,link, unlink, rename).The ctr_local is keep alive till the unwind + * call and will be release during the unwind. The same gfdb_db_record will + * used for the unwind insert_record() api, to record unwind in the database. + * + * ia_inode_type in gf_ctr_local will tell the type of the inode. This is + * important for during the unwind path. As we will not have the inode during + * the unwind path. We would have include this in the gfdb_db_record itself + * but currently we record only file inode information. + * + * is_internal_fop in gf_ctr_local will tell us if this is a internal fop and + * take special/no action. We dont record change/acces times or increement heat + * counter for internal fops from rebalancer. + * NOTE: This piece is broken with the addition of frequency counters. + * Any rebalancer or tiering will cause the files to get the files heated. + * We would require seperate identifiers for tiering FOPS. + * The QE have noted this issue and will raise a bug as this patch gets merged. + * We will fix this as a bug fix. + * + * */ +typedef struct gf_ctr_local { + gfdb_db_record_t gfdb_db_record; + ia_type_t ia_inode_type; + gf_boolean_t is_internal_fop; +} gf_ctr_local_t; +/* + * Easy access of gfdb_db_record of ctr_local + * */ +#define CTR_DB_REC(ctr_local)\ + (ctr_local->gfdb_db_record) + +/*Clear db record*/ +#define CLEAR_CTR_DB_RECORD(ctr_local)\ +do {\ + ctr_local->gfdb_db_record.gfdb_fop_path = GFDB_FOP_INVALID;\ + memset(&(ctr_local->gfdb_db_record.gfdb_wind_change_time),\ + 0, sizeof(gfdb_time_t));\ + memset(&(ctr_local->gfdb_db_record.gfdb_unwind_change_time),\ + 0, sizeof(gfdb_time_t));\ + uuid_clear (ctr_local->gfdb_db_record.gfid);\ + uuid_clear (ctr_local->gfdb_db_record.pargfid);\ + memset(ctr_local->gfdb_db_record.file_name, 0, PATH_MAX);\ + memset(ctr_local->gfdb_db_record.old_file_name, 0, PATH_MAX);\ + ctr_local->gfdb_db_record.gfdb_fop_type = GFDB_FOP_INVALID_OP;\ + ctr_local->ia_inode_type = IA_INVAL;\ +} while (0) + + +static gf_ctr_local_t * +init_ctr_local_t (xlator_t *this) { + + gf_ctr_local_t *ctr_local = NULL; + + GF_ASSERT(this); + + ctr_local = mem_get0 (this->local_pool); + if (!ctr_local) { + gf_log (GFDB_DATA_STORE, GF_LOG_ERROR, + "Error while creating ctr local"); + goto out; + } + + CLEAR_CTR_DB_RECORD (ctr_local); +out: + return ctr_local; +} + +static void +free_ctr_local (gf_ctr_local_t *ctr_local) +{ + if (ctr_local) + mem_put (ctr_local); +} + + + +/****************************************************************************** + * + * + * Context Carrier Structures + * + * + * ****************************************************************************/ + +/* + * Context Carrier structures are used to carry relavent information about + * inodes and links from the fops calls to the ctr_insert_wind. + * These structure just have pointers to the original data and donot + * do a deep copy of any data. This info is deep copied to + * ctr_local->gfdb_db_record and passed to insert_record() api of libgfdb. This + * info remains persistent for the unwind in ctr_local->gfdb_db_record + * and once used will be destroyed. + * + * gf_ctr_link_context_t : Context structure for hard links + * gf_ctr_inode_context_t : Context structure for inodes + * + * */ + + /*Context Carrier Structure for hard links*/ +typedef struct gf_ctr_link_context { + uuid_t *pargfid; + const char *basename; + /*basepath is redundent. Will go off*/ + const char *basepath; +} gf_ctr_link_context_t; + + /*Context Carrier Structure for inodes*/ +typedef struct gf_ctr_inode_context { + ia_type_t ia_type; + uuid_t *gfid; + gf_ctr_link_context_t *new_link_cx; + gf_ctr_link_context_t *old_link_cx; + gfdb_fop_type_t fop_type; + gfdb_fop_path_t fop_path; +} gf_ctr_inode_context_t; + + +/*******************Util Macros for Context Carrier Structures*****************/ + +/*Checks if ctr_link_cx is sane!*/ +#define IS_CTR_LINK_CX_SANE(ctr_link_cx)\ +do {\ + if (ctr_link_cx) {\ + if (ctr_link_cx->pargfid)\ + GF_ASSERT (*(ctr_link_cx->pargfid));\ + GF_ASSERT (ctr_link_cx->basename);\ + GF_ASSERT (ctr_link_cx->basepath);\ + };\ +} while (0) + +/*Clear and fill the ctr_link_context with values*/ +#define FILL_CTR_LINK_CX(ctr_link_cx, _pargfid, _basename, _basepath)\ +do {\ + GF_ASSERT (ctr_link_cx);\ + GF_ASSERT (_pargfid);\ + GF_ASSERT (_basename);\ + GF_ASSERT (_basepath);\ + memset (ctr_link_cx, 0, sizeof (*ctr_link_cx));\ + ctr_link_cx->pargfid = &_pargfid;\ + ctr_link_cx->basename = _basename;\ + ctr_link_cx->basepath = _basepath;\ +} while (0) + +#define NEW_LINK_CX(ctr_inode_cx)\ + ctr_inode_cx->new_link_cx\ + +#define OLD_LINK_CX(ctr_inode_cx)\ + ctr_inode_cx->old_link_cx\ + +/*Checks if ctr_inode_cx is sane!*/ +#define IS_CTR_INODE_CX_SANE(ctr_inode_cx)\ +do {\ + GF_ASSERT (ctr_inode_cx);\ + GF_ASSERT (ctr_inode_cx->gfid);\ + GF_ASSERT (*(ctr_inode_cx->gfid));\ + GF_ASSERT (ctr_inode_cx->fop_type != GFDB_FOP_INVALID_OP);\ + GF_ASSERT (ctr_inode_cx->fop_path != GFDB_FOP_INVALID);\ + IS_CTR_LINK_CX_SANE (NEW_LINK_CX(ctr_inode_cx));\ + IS_CTR_LINK_CX_SANE (OLD_LINK_CX(ctr_inode_cx));\ +} while (0) + +/*Clear and fill the ctr_inode_context with values*/ +#define FILL_CTR_INODE_CONTEXT(ctr_inode_cx,\ + _ia_type,\ + _gfid,\ + _new_link_cx,\ + _old_link_cx,\ + _fop_type,\ + _fop_path)\ +do {\ + GF_ASSERT(ctr_inode_cx);\ + GF_ASSERT(_gfid);\ + GF_ASSERT(_fop_type != GFDB_FOP_INVALID_OP);\ + GF_ASSERT(_fop_path != GFDB_FOP_INVALID);\ + memset(ctr_inode_cx, 0, sizeof(*ctr_inode_cx));\ + ctr_inode_cx->ia_type = _ia_type;\ + ctr_inode_cx->gfid = &_gfid;\ + IS_CTR_LINK_CX_SANE(NEW_LINK_CX(ctr_inode_cx));\ + if (_new_link_cx)\ + NEW_LINK_CX(ctr_inode_cx) = _new_link_cx;\ + IS_CTR_LINK_CX_SANE(OLD_LINK_CX(ctr_inode_cx));\ + if (_old_link_cx)\ + OLD_LINK_CX(ctr_inode_cx) = _old_link_cx;\ + ctr_inode_cx->fop_type = _fop_type;\ + ctr_inode_cx->fop_path = _fop_path;\ +} while (0) + +/****************************************************************************** + * + * Util functions or macros used by + * insert wind and insert unwind + * + * ****************************************************************************/ + +/* + * If a rebalancer fop + * */ +#define REBALANCE_FOP(frame)\ + (frame->root->pid == GF_CLIENT_PID_DEFRAG) + +/* + * if a rebalancer fop goto + * */ +#define CTR_IF_REBALANCE_FOP_THEN_GOTO(frame, label)\ +do {\ + if (REBALANCE_FOP (frame))\ + goto label;\ +} while (0) + +/* + * Internal fop + * + * */ +#define CTR_IS_INTERNAL_FOP(frame, priv)\ + (REBALANCE_FOP(frame) && (!priv->ctr_hot_brick)) + +/** + * ignore internal fops for all clients except AFR self-heal daemon + */ +#define CTR_IF_INTERNAL_FOP_THEN_GOTO(frame, dict, label)\ +do {\ + if ((frame->root->pid != GF_CLIENT_PID_AFR_SELF_HEALD) \ + && dict \ + && dict_get (dict, GLUSTERFS_INTERNAL_FOP_KEY)) \ + goto label; \ +} while (0) + + +/* + * IS CTR Xlator is disabled then goto to label + * */ + #define CTR_IS_DISABLED_THEN_GOTO(this, label)\ + do {\ + gf_ctr_private_t *_priv = NULL;\ + GF_ASSERT (this);\ + GF_ASSERT (this->private);\ + _priv = this->private;\ + if (!_priv->enabled)\ + goto label;\ + } while (0) + + +int +fill_db_record_for_unwind(gf_ctr_local_t *ctr_local, + gfdb_fop_type_t fop_type, + gfdb_fop_path_t fop_path); + +int +fill_db_record_for_wind(gf_ctr_local_t *ctr_local, + gf_ctr_inode_context_t *ctr_inode_cx); + +/******************************************************************************* + * CTR INSERT WIND + * ***************************************************************************** + * Function used to insert/update record into the database during a wind fop + * This function creates ctr_local structure into the frame of the fop + * call. + * ****************************************************************************/ +static inline int +ctr_insert_wind (call_frame_t *frame, + xlator_t *this, + gf_ctr_inode_context_t *ctr_inode_cx) +{ + int ret = -1; + gf_ctr_private_t *_priv = NULL; + gf_ctr_local_t *ctr_local = NULL; + + GF_ASSERT(frame); + GF_ASSERT(this); + IS_CTR_INODE_CX_SANE(ctr_inode_cx); + + _priv = this->private; + GF_ASSERT (_priv); + + GF_ASSERT(_priv->_db_conn); + + /*If record_wind option of CTR is on record wind for + * regular files only*/ + if (_priv->ctr_record_wind && ctr_inode_cx->ia_type != IA_IFDIR) { + frame->local = init_ctr_local_t (this); + if (!frame->local) { + gf_log (this->name, GF_LOG_ERROR, + "WIND: Error while creating ctr local"); + goto out; + }; + ctr_local = frame->local; + + /*Broken please refer gf_ctr_local_t documentation*/ + ctr_local->is_internal_fop = CTR_IS_INTERNAL_FOP(frame, _priv); + + /*Broken please refer gf_ctr_local_t documentation*/ + CTR_DB_REC(ctr_local).do_record_counters = + _priv->ctr_record_counter; + + /*Fill the db record for insertion*/ + ret = fill_db_record_for_wind (ctr_local, ctr_inode_cx); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "WIND: Error filling ctr local"); + goto out; + } + /*Insert the db record*/ + ret = insert_record (_priv->_db_conn, + &ctr_local->gfdb_db_record); + if (ret) { + gf_log (this->name, GF_LOG_ERROR, + "WIND: Inserting of record failed!"); + goto out; + } + } + ret = 0; +out: + + if (ret) { + free_ctr_local (ctr_local); + } + + return ret; +} + + + + +/******************************************************************************* + * CTR INSERT UNWIND + * ***************************************************************************** + * Function used to insert/update record into the database during a unwind fop + * This function destroys ctr_local structure into the frame of the fop + * call at the end. + * ****************************************************************************/ +static inline int +ctr_insert_unwind (call_frame_t *frame, + xlator_t *this, + gfdb_fop_type_t fop_type, + gfdb_fop_path_t fop_path) +{ + int ret = -1; + gf_ctr_private_t *_priv = NULL; + gf_ctr_local_t *ctr_local = NULL; + + GF_ASSERT(frame); + GF_ASSERT(this); + + _priv = this->private; + GF_ASSERT (_priv); + + GF_ASSERT(_priv->_db_conn); + + ctr_local = frame->local; + + if (ctr_local + && (_priv->ctr_record_unwind || isdentryfop(fop_type)) + && (ctr_local->ia_inode_type != IA_IFDIR)) { + + CTR_DB_REC(ctr_local).do_record_uwind_time = + _priv->ctr_record_unwind; + + ret = fill_db_record_for_unwind(ctr_local, fop_type, fop_path); + if (ret == -1) { + gf_log(this->name, GF_LOG_ERROR, "UNWIND: Error" + "filling ctr local"); + goto out; + } + + ret = insert_record(_priv->_db_conn, + &ctr_local->gfdb_db_record); + if (ret == -1) { + gf_log(this->name, GF_LOG_ERROR, "UNWIND: Error" + "filling ctr local"); + goto out; + } + } + ret = 0; +out: + free_ctr_local (ctr_local); + frame->local = NULL; + return ret; +} + +/****************************************************************************** + * + * CTR xlator init related functions + * + * + * ****************************************************************************/ +int +extract_db_params (xlator_t *this, + dict_t *params_dict, + gfdb_db_type_t db_type); + +int +extract_ctr_options (xlator_t *this, + gf_ctr_private_t *_priv); + +#endif diff --git a/xlators/features/changetimerecorder/src/ctr_mem_types.h b/xlators/features/changetimerecorder/src/ctr_mem_types.h new file mode 100644 index 00000000000..48387597814 --- /dev/null +++ b/xlators/features/changetimerecorder/src/ctr_mem_types.h @@ -0,0 +1,22 @@ +/* + Copyright (c) 2008-2015 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + + +#ifndef __CTR_MEM_TYPES_H__ +#define __CTR_MEM_TYPES_H__ + +#include "gfdb_mem-types.h" + +enum gf_ctr_mem_types_ { + gf_ctr_mt_private_t = gfdb_mt_end + 1, + gf_ctr_mt_end +}; +#endif + |