+++ /dev/null
-/*
- * This program 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 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/*
- * Author : Maxim Mamontov <faust@stargazer.dp.ua>
- */
-
-/*
- * This file contains a realization of a base postgresql-storage plugin class
- *
- * v. 1.3
- * FreeMb logging on disconnects added
- *
- * v. 1.2
- * Reconnection on faults added
- *
- * v. 1.1
- * tb_stats removed
- *
- * v. 1.0
- * Initial implementation
- *
- * $Revision: 1.5 $
- * $Date: 2010/01/06 10:43:48 $
- *
- */
-
-#include "postgresql_store.h"
-
-#include "postgresql_store_utils.h"
-#include "postgresql_store.h"
-
-#include "stg/module_settings.h"
-#include "stg/plugin_creator.h"
-
-#include <string>
-#include <vector>
-
-#include <libpq-fe.h>
-
-namespace
-{
-PLUGIN_CREATOR<POSTGRESQL_STORE> pgsc;
-}
-
-extern "C" STORE * GetStore();
-
-//-----------------------------------------------------------------------------
-STORE * GetStore()
-{
-return pgsc.GetPlugin();
-}
-
-//-----------------------------------------------------------------------------
-POSTGRESQL_STORE::POSTGRESQL_STORE()
- : versionString("postgresql_store v.1.3"),
- server("localhost"),
- database("stargazer"),
- user("stg"),
- password("123456"),
- clientEncoding("KOI8"),
- version(0),
- retries(3),
- connection(NULL),
- logger(GetPluginLogger(GetStgLogger(), "store_postgresql"))
-{
-pthread_mutex_init(&mutex, NULL);
-}
-//-----------------------------------------------------------------------------
-POSTGRESQL_STORE::~POSTGRESQL_STORE()
-{
-if (connection)
- {
- PQfinish(connection);
- }
-pthread_mutex_destroy(&mutex);
-}
-//-----------------------------------------------------------------------------
-int POSTGRESQL_STORE::ParseSettings()
-{
-std::vector<PARAM_VALUE>::iterator i;
-
-for(i = settings.moduleParams.begin(); i != settings.moduleParams.end(); ++i)
- {
- if (i->value.empty())
- continue;
- std::string s = ToLower(i->param);
- if (s == "server")
- {
- server = i->value.front();
- }
- if (s == "database")
- {
- database = i->value.front();
- }
- if (s == "user")
- {
- user = i->value.front();
- }
- if (s == "password")
- {
- password = i->value.front();
- }
- if (s == "retries")
- {
- if (str2x(i->value.front(), retries))
- {
- strError = "Invalid 'retries' value";
- printfd(__FILE__, "POSTGRESQL_STORE::ParseSettings(): '%s'\n", strError.c_str());
- return -1;
- }
- }
- }
-
-clientEncoding = "KOI8";
-
-return Connect();
-}
-//-----------------------------------------------------------------------------
-int POSTGRESQL_STORE::Connect()
-{
-std::string params;
-params = "host=" + server + " "
- + "dbname=" + database + " "
- + "user=" + user + " "
- + "password=" + password;
-
-connection = PQconnectdb(params.c_str());
-
-if (PQstatus(connection) != CONNECTION_OK)
- {
- strError = PQerrorMessage(connection);
- printfd(__FILE__, "POSTGRESQL_STORE::Connect(): '%s'\n", strError.c_str());
- // Will try to connect later
- return 0;
- }
-
-if (PQsetClientEncoding(connection, clientEncoding.c_str()))
- {
- strError = PQerrorMessage(connection);
- printfd(__FILE__, "POSTGRESQL_STORE::Connect(): '%s'\n", strError.c_str());
- return 1;
- }
-
-return CheckVersion();
-}
-//-----------------------------------------------------------------------------
-int POSTGRESQL_STORE::Reset() const
-{
-for (int i = 0; i < retries && PQstatus(connection) != CONNECTION_OK; ++i)
- {
- struct timespec ts = {1, 0};
- nanosleep(&ts, NULL);
- PQreset(connection);
- }
-
-if (PQstatus(connection) != CONNECTION_OK)
- {
- strError = PQerrorMessage(connection);
- printfd(__FILE__, "POSTGRESQL_STORE::Reset(): '%s'\n", strError.c_str());
- return 1;
- }
-
-if (PQsetClientEncoding(connection, clientEncoding.c_str()))
- {
- strError = PQerrorMessage(connection);
- printfd(__FILE__, "POSTGRESQL_STORE::Reset(): '%s'\n", strError.c_str());
- return -1;
- }
-
-return CheckVersion();
-}
-//-----------------------------------------------------------------------------
-int POSTGRESQL_STORE::CheckVersion() const
-{
-
-if (StartTransaction())
- {
- strError = "Failed to start transaction";
- printfd(__FILE__, "POSTGRESQL_STORE::CheckVersion(): '%s'\n", strError.c_str());
- return -1;
- }
-
-PGresult * result = PQexec(connection, "SELECT MAX(version) FROM tb_info");
-
-if (PQresultStatus(result) != PGRES_TUPLES_OK)
- {
- strError = PQresultErrorMessage(result);
- PQclear(result);
- printfd(__FILE__, "POSTGRESQL_STORE::CheckVersion(): '%s'\n");
- RollbackTransaction();
- return -1;
- }
-
-if (str2x(PQgetvalue(result, 0, 0), version))
- {
- strError = "Invalid DB version";
- PQclear(result);
- RollbackTransaction();
- printfd(__FILE__, "POSTGRESQL_STORE::CheckVersion(): '%s'\n", strError.c_str());
- return -1;
- }
-
-PQclear(result);
-
-if (version < DB_MIN_VERSION)
- {
- strError = "DB version too old";
- RollbackTransaction();
- printfd(__FILE__, "POSTGRESQL_STORE::CheckVersion(): '%s'\n", strError.c_str());
- return -1;
- }
-
-if (version < 6)
- {
- printfd(__FILE__, "POSTGRESQL_STORE::CheckVersion(): I recommend you to upgrade your DB to higher version to support FreeMb logging on disconnect. Current version is %d\n", version);
- }
-
-if (CommitTransaction())
- {
- strError = "Failed to commit transaction";
- printfd(__FILE__, "POSTGRESQL_STORE::CheckVersion(): '%s'\n", strError.c_str());
- return -1;
- }
-
-logger("POSTGRESQL_STORE: Current DB schema version: %d", version);
-
-return 0;
-}
-//-----------------------------------------------------------------------------
git.stg.codes / stg.git / blobdiff