/*
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 "gfdb_sqlite3.h"
#include "ctr-helper.h"
#include "ctr-messages.h"
/*******************************************************************************
*
* Fill unwind into db record
*
******************************************************************************/
int
fill_db_record_for_unwind(xlator_t *this, 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_ctr_private_t *_priv = NULL;
GF_ASSERT(this);
_priv = this->private;
GF_ASSERT(_priv);
GF_ASSERT(ctr_local);
/*If not unwind path error*/
if (!isunwindpath(fop_path)) {
gf_msg(this->name, GF_LOG_ERROR, 0, CTR_MSG_WRONG_FOP_PATH,
"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;
ret = gettimeofday(ctr_uwtime, NULL);
if (ret == -1) {
gf_msg(this->name, GF_LOG_ERROR, errno,
CTR_MSG_FILL_UNWIND_TIME_REC_ERROR,
"Error "
"filling unwind time record %s",
strerror(errno));
goto out;
}
/* Special case i.e if its a tier rebalance
* + cold tier brick
* + its a create/mknod FOP
* we record unwind time as zero */
if (ctr_local->client_pid == GF_CLIENT_PID_TIER_DEFRAG &&
(!_priv->ctr_hot_brick) && isdentrycreatefop(fop_type)) {
memset(ctr_uwtime, 0, sizeof(*ctr_uwtime));
}
ret = 0;
out:
return ret;
}
/*******************************************************************************
*
* Fill wind into db record
*
******************************************************************************/
int
fill_db_record_for_wind(xlator_t *this, gf_ctr_local_t *ctr_local,
gf_ctr_inode_context_t *ctr_inode_cx)
{
int ret = -1;
gfdb_time_t *ctr_wtime = NULL;
gf_ctr_private_t *_priv = NULL;
GF_ASSERT(this);
_priv = this->private;
GF_ASSERT(_priv);
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_msg(this->name, GF_LOG_ERROR, 0, CTR_MSG_WRONG_FOP_PATH,
"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;
CTR_DB_REC(ctr_local).link_consistency = _priv->ctr_link_consistency;
ret = gettimeofday(ctr_wtime, NULL);
if (ret) {
gf_msg(this->name, GF_LOG_ERROR, errno,
CTR_MSG_FILL_UNWIND_TIME_REC_ERROR,
"Error filling wind time record %s", strerror(errno));
goto out;
}
/* Special case i.e if its a tier rebalance
* + cold tier brick
* + its a create/mknod FOP
* we record wind time as zero */
if (ctr_local->client_pid == GF_CLIENT_PID_TIER_DEFRAG &&
(!_priv->ctr_hot_brick) && isdentrycreatefop(ctr_inode_cx->fop_type)) {
memset(ctr_wtime, 0, sizeof(*ctr_wtime));
}
/* Copy gfid into db record */
gf_uuid_copy(CTR_DB_REC(ctr_local).gfid, *(ctr_inode_cx->gfid));
/* Copy older gfid if any */
if (ctr_inode_cx->old_gfid &&
(!gf_uuid_is_null(*(ctr_inode_cx->old_gfid)))) {
gf_uuid_copy(CTR_DB_REC(ctr_local).old_gfid, *(ctr_inode_cx->old_gfid));
}
/*Hard Links*/
if (isdentryfop(ctr_inode_cx->fop_type)) {
/*new link fop*/
if (NEW_LINK_CX(ctr_inode_cx)) {
gf_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);
}
/*rename fop*/
if (OLD_LINK_CX(ctr_inode_cx)) {
gf_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);
}
}
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_msg(GFDB_DATA_STORE, GF_LOG_ERROR, 0,
CTR_MSG_CONSTRUCT_DB_PATH_FAILED,
"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);
/*Extract rest of the sql params*/
ret = gfdb_set_sql_params(this->name, this->options, params_dict);
if (ret) {
gf_msg(GFDB_DATA_STORE, GF_LOG_ERROR, 0,
CTR_MSG_SET_VALUE_TO_SQL_PARAM_FAILED,
"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:
goto out;
}
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 disabled*/
_priv->enabled = _gf_false;
GF_OPTION_INIT("ctr-enabled", _priv->enabled, bool, out);
if (!_priv->enabled) {
gf_msg(GFDB_DATA_STORE, GF_LOG_INFO, 0, CTR_MSG_XLATOR_DISABLED,
"CTR Xlator is disabled.");
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 record metadata heat */
GF_OPTION_INIT("ctr-record-metadata-heat", _priv->ctr_record_metadata_heat,
bool, out);
/*Extract flag for link consistency*/
GF_OPTION_INIT("ctr_link_consistency", _priv->ctr_link_consistency, bool,
out);
/*Extract ctr_lookupheal_inode_timeout */
GF_OPTION_INIT("ctr_lookupheal_inode_timeout",
_priv->ctr_lookupheal_inode_timeout, uint64, out);
/*Extract ctr_lookupheal_link_timeout*/
GF_OPTION_INIT("ctr_lookupheal_link_timeout",
_priv->ctr_lookupheal_link_timeout, uint64, 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;
}