X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/4271ab433cd55bbd2612292bcf39e4dc3d7274f1..0907aa4037b12b6b88ee24495d4577a064d4f8db:/projects/stargazer/plugins/store/postgresql/postgresql_store_services.cpp

diff --git a/projects/stargazer/plugins/store/postgresql/postgresql_store_services.cpp b/projects/stargazer/plugins/store/postgresql/postgresql_store_services.cpp
new file mode 100644
index 00000000..3d098161
--- /dev/null
+++ b/projects/stargazer/plugins/store/postgresql/postgresql_store_services.cpp
@@ -0,0 +1,396 @@
+/*
+ *    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>
+ */
+
+
+/*
+ *  Services manipulation methods
+ *
+ *  $Revision: 1.2 $
+ *  $Date: 2009/06/09 12:32:40 $
+ *
+ */
+
+#include "postgresql_store.h"
+
+#include "stg/service_conf.h"
+#include "stg/common.h"
+#include "stg/locker.h"
+
+#include <string>
+#include <vector>
+#include <sstream>
+
+#include <libpq-fe.h>
+
+//-----------------------------------------------------------------------------
+int POSTGRESQL_STORE::GetServicesList(std::vector<std::string> * servicesList) const
+{
+STG_LOCKER lock(&mutex);
+
+if (PQstatus(connection) != CONNECTION_OK)
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::GetServicesList(): 'Connection lost. Trying to reconnect...'\n", strError.c_str());
+    if (Reset())
+        {
+        strError = "Connection lost";
+        printfd(__FILE__, "POSTGRESQL_STORE::GetServicesList(): '%s'\n", strError.c_str());
+        return -1;
+        }
+    }
+
+PGresult * result;
+
+if (StartTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::GetServicesList(): 'Failed to start transaction'\n");
+    return -1;
+    }
+
+result = PQexec(connection, "SELECT name FROM tb_services");
+
+if (PQresultStatus(result) != PGRES_TUPLES_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::GetServicesList(): '%s'\n", strError.c_str());
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::GetServicesList(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+int tuples = PQntuples(result);
+
+for (int i = 0; i < tuples; ++i)
+    {
+    servicesList->push_back(PQgetvalue(result, i, 0));
+    }
+
+PQclear(result);
+
+if (CommitTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::GetServicesList(): 'Failed to commit transaction'\n");
+    return -1;
+    }
+
+return 0;
+}
+
+//-----------------------------------------------------------------------------
+int POSTGRESQL_STORE::SaveService(const STG::ServiceConf & sc) const
+{
+STG_LOCKER lock(&mutex);
+
+if (PQstatus(connection) != CONNECTION_OK)
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Connection lost. Trying to reconnect...'\n", strError.c_str());
+    if (Reset())
+        {
+        strError = "Connection lost";
+        printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): '%s'\n", strError.c_str());
+        return -1;
+        }
+    }
+
+PGresult * result;
+
+if (StartTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to start transaction'\n");
+    return -1;
+    }
+
+std::string ename = sc.name;
+std::string ecomment = sc.comment;
+
+if (EscapeString(ename))
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to escape name'\n");
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+if (EscapeString(ecomment))
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to escape comment'\n");
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+std::ostringstream query;
+query << "UPDATE tb_services SET "
+          << "comment = '" << ecomment << "', "
+          << "cost = " << sc.cost << ", "
+          << "pay_day = " << sc.payDay << " "
+      << "WHERE name = '" << ename << "'";
+
+result = PQexec(connection, query.str().c_str());
+
+if (PQresultStatus(result) != PGRES_COMMAND_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): '%s'\n", strError.c_str());
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+PQclear(result);
+
+if (CommitTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::SaveService(): 'Failed to commit transaction'\n");
+    return -1;
+    }
+
+return 0;
+}
+
+//-----------------------------------------------------------------------------
+int POSTGRESQL_STORE::RestoreService(STG::ServiceConf * sc,
+                                     const std::string & name) const
+{
+STG_LOCKER lock(&mutex);
+
+if (PQstatus(connection) != CONNECTION_OK)
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Connection lost. Trying to reconnect...'\n", strError.c_str());
+    if (Reset())
+        {
+        strError = "Connection lost";
+        printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): '%s'\n", strError.c_str());
+        return -1;
+        }
+    }
+
+PGresult * result;
+
+if (StartTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Failed to start transaction'\n");
+    return -1;
+    }
+
+std::string ename = name;
+
+if (EscapeString(ename))
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Failed to escape name'\n");
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+std::ostringstream query;
+query << "SELECT comment, cost, pay_day FROM tb_services WHERE name = '" << ename << "'";
+
+result = PQexec(connection, query.str().c_str());
+
+if (PQresultStatus(result) != PGRES_TUPLES_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): '%s'\n", strError.c_str());
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+int tuples = PQntuples(result);
+
+if (tuples != 1)
+    {
+    strError = "Failed to fetch service's data";
+    printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Invalid number of tuples. Wanted 1, actulally %d'\n", tuples);
+    PQclear(result);
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+std::stringstream tuple;
+tuple << PQgetvalue(result, 0, 0) << " "
+      << PQgetvalue(result, 0, 1) << " "
+      << PQgetvalue(result, 0, 2);
+
+PQclear(result);
+
+tuple >> sc->comment
+      >> sc->cost
+      >> sc->payDay;
+
+if (CommitTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::RestoreService(): 'Failed to commit transaction'\n");
+    return -1;
+    }
+
+return 0;
+}
+
+//-----------------------------------------------------------------------------
+int POSTGRESQL_STORE::AddService(const std::string & name) const
+{
+STG_LOCKER lock(&mutex);
+
+if (PQstatus(connection) != CONNECTION_OK)
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::AddService(): 'Connection lost. Trying to reconnect...'\n", strError.c_str());
+    if (Reset())
+        {
+        strError = "Connection lost";
+        printfd(__FILE__, "POSTGRESQL_STORE::AddService(): '%s'\n", strError.c_str());
+        return -1;
+        }
+    }
+
+PGresult * result;
+
+if (StartTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::AddService(): 'Failed to start transaction'\n");
+    return -1;
+    }
+
+std::string ename = name;
+
+if (EscapeString(ename))
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::AddService(): 'Failed to escape name'\n");
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::AddService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+std::ostringstream query;
+query << "INSERT INTO tb_services \
+              (name, comment, cost, pay_day) \
+          VALUES \
+              ('" << ename << "', '', 0, 0)";
+
+result = PQexec(connection, query.str().c_str());
+
+if (PQresultStatus(result) != PGRES_COMMAND_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::AddService(): '%s'\n", strError.c_str());
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::AddService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+PQclear(result);
+
+if (CommitTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::AddService(): 'Failed to commit transaction'\n");
+    return -1;
+    }
+
+return 0;
+}
+
+//-----------------------------------------------------------------------------
+int POSTGRESQL_STORE::DelService(const std::string & name) const
+{
+STG_LOCKER lock(&mutex);
+
+if (PQstatus(connection) != CONNECTION_OK)
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::DelService(): 'Connection lost. Trying to reconnect...'\n", strError.c_str());
+    if (Reset())
+        {
+        strError = "Connection lost";
+        printfd(__FILE__, "POSTGRESQL_STORE::DelService(): '%s'\n", strError.c_str());
+        return -1;
+        }
+    }
+
+PGresult * result;
+
+if (StartTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::DelService(): 'Failed to start transaction'\n");
+    return -1;
+    }
+
+std::string ename = name;
+
+if (EscapeString(ename))
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::DelService(): 'Failed to escape name'\n");
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::DelService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+std::ostringstream query;
+query << "DELETE FROM tb_services WHERE name = '" << ename << "'";
+
+result = PQexec(connection, query.str().c_str());
+
+if (PQresultStatus(result) != PGRES_COMMAND_OK)
+    {
+    strError = PQresultErrorMessage(result);
+    PQclear(result);
+    printfd(__FILE__, "POSTGRESQL_STORE::DelService(): '%s'\n", strError.c_str());
+    if (RollbackTransaction())
+        {
+        printfd(__FILE__, "POSTGRESQL_STORE::DelService(): 'Failed to rollback transaction'\n");
+        }
+    return -1;
+    }
+
+PQclear(result);
+
+if (CommitTransaction())
+    {
+    printfd(__FILE__, "POSTGRESQL_STORE::DelService(): 'Failed to commit transaction'\n");
+    return -1;
+    }
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+