/* Copyright (c) 2015 Red Hat, Inc. 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; }