void
_dblib_setTDS_version(TDSLOGIN * tds_login, DBINT version)
{
switch (version) {
case DBVERSION_42:
tds_set_version(tds_login, 4, 2);
break;
case DBVERSION_46:
tds_set_version(tds_login, 4, 6);
break;
case DBVERSION_100:
tds_set_version(tds_login, 5, 0);
break;
}
}
static int mssql_connect(void)
{
#if (defined(FREETDS_0_63) || defined(FREETDS_0_64))
TDSCONNECTION *connection = NULL;
#else
TDSCONNECTINFO *connection = NULL;
#endif
char query[128];
/* Connect to M$SQL Server */
if (!(login = tds_alloc_login()))
{
ast_log(LOG_ERROR, "tds_alloc_login() failed.\n");
return -1;
}
tds_set_server(login, hostname);
tds_set_user(login, dbuser);
tds_set_passwd(login, password);
tds_set_app(login, "TSQL");
tds_set_library(login, "TDS-Library");
#ifndef FREETDS_PRE_0_62
tds_set_client_charset(login, charset);
#endif
tds_set_language(login, language);
tds_set_packet(login, 512);
tds_set_version(login, 7, 0);
#ifdef FREETDS_0_64
if (!(context = tds_alloc_context(NULL)))
#else
if (!(context = tds_alloc_context()))
#endif
{
ast_log(LOG_ERROR, "tds_alloc_context() failed.\n");
goto connect_fail;
}
if (!(tds = tds_alloc_socket(context, 512))) {
ast_log(LOG_ERROR, "tds_alloc_socket() failed.\n");
goto connect_fail;
}
tds_set_parent(tds, NULL);
connection = tds_read_config_info(tds, login, context->locale);
if (!connection)
{
ast_log(LOG_ERROR, "tds_read_config() failed.\n");
goto connect_fail;
}
if (tds_connect(tds, connection) == TDS_FAIL)
{
ast_log(LOG_ERROR, "Failed to connect to MSSQL server.\n");
tds = NULL; /* freed by tds_connect() on error */
#if (defined(FREETDS_0_63) || defined(FREETDS_0_64))
tds_free_connection(connection);
#else
tds_free_connect(connection);
#endif
connection = NULL;
goto connect_fail;
}
#if (defined(FREETDS_0_63) || defined(FREETDS_0_64))
tds_free_connection(connection);
#else
tds_free_connect(connection);
#endif
connection = NULL;
sprintf(query, "USE %s", dbname);
#ifdef FREETDS_PRE_0_62
if ((tds_submit_query(tds, query) != TDS_SUCCEED) || (tds_process_simple_query(tds, &result_type) != TDS_SUCCEED || result_type != TDS_CMD_SUCCEED))
#else
if ((tds_submit_query(tds, query) != TDS_SUCCEED) || (tds_process_simple_query(tds) != TDS_SUCCEED))
#endif
{
ast_log(LOG_ERROR, "Could not change database (%s)\n", dbname);
goto connect_fail;
}
connected = 1;
return 0;
connect_fail:
mssql_disconnect();
return -1;
}
// Connect to the server
bool TdsDatabaseLayer::Connect()
{
m_pLogin = tds_alloc_login();
if (m_pLogin == NULL)
{
//fprintf(stderr, "tds_alloc_login() failed.\n");
SetError(DATABASE_LAYER_ERROR, wxT("Failed to allocate login"));
// Reset the variables so there are not mistaken as initialized
m_pDatabase = NULL;
m_pLogin = NULL;
if (m_pContext)
{
tds_free_context(m_pContext);
m_pContext = NULL;
}
ThrowDatabaseException();
return false;
}
wxCharBuffer serverBuffer = ConvertToUnicodeStream(m_strServer);
tds_set_server(m_pLogin, serverBuffer);
wxCharBuffer loginBuffer = ConvertToUnicodeStream(m_strLogin);
tds_set_user(m_pLogin, loginBuffer);
wxCharBuffer passwordBuffer = ConvertToUnicodeStream(m_strPassword);
tds_set_passwd(m_pLogin, passwordBuffer);
tds_set_app(m_pLogin, "DatabaseLayer");
tds_set_library(m_pLogin, "TDS-Library");
tds_set_client_charset(m_pLogin, "UTF-8");
switch (m_nTdsVersion)
{
case TDS_42:
tds_set_version(m_pLogin, 4, 2);
break;
case TDS_46:
tds_set_version(m_pLogin, 4, 6);
break;
case TDS_50:
tds_set_version(m_pLogin, 5, 0);
break;
case TDS_70:
tds_set_version(m_pLogin, 7, 0);
break;
case TDS_80:
tds_set_version(m_pLogin, 8, 0);
break;
default:
tds_set_version(m_pLogin, 0, 0);
break;
};
m_pContext = tds_alloc_context(NULL);
if (m_pContext == NULL)
{
//fprintf(stderr, "tds_alloc_context() failed.\n");
SetError(DATABASE_LAYER_ERROR, wxT("Failed to allocate context"));
// Reset the variables so there are not mistaken as initialized
m_pDatabase = NULL;
if (m_pLogin)
{
tds_free_login(m_pLogin);
m_pLogin = NULL;
}
if (m_pContext)
{
tds_free_context(m_pContext);
m_pContext = NULL;
}
ThrowDatabaseException();
return false;
}
m_pContext->msg_handler = tsql_handle_message;
m_pContext->err_handler = tsql_handle_error;
// Add the context (and this databaselayer) from the lookup map
// used by the error handler
TdsDatabaseLayer::AddTdsLayer(m_pContext, this);
m_pDatabase = tds_alloc_socket(m_pContext, 512);
if (m_pDatabase == NULL)
{
//fprintf(stderr, "tds_alloc_socket() failed.\n");
SetError(DATABASE_LAYER_ERROR, wxT("Failed to allocate socket"));
// Reset the variables so there are not mistaken as initialized
m_pDatabase = NULL;
if (m_pLogin)
{
tds_free_login(m_pLogin);
m_pLogin = NULL;
}
if (m_pContext)
{
tds_free_context(m_pContext);
m_pContext = NULL;
}
ThrowDatabaseException();
return false;
}
tds_set_parent(m_pDatabase, NULL);
TDSCONNECTION* pConnection = tds_read_config_info(NULL, m_pLogin, m_pContext->locale);
if (!pConnection || tds_connect(m_pDatabase, pConnection) == TDS_FAIL)
{
if (pConnection)
{
tds_free_socket(m_pDatabase);
//m_pDatabase = NULL;
tds_free_connection(pConnection);
}
//fprintf(stderr, "tds_connect() failed\n");
if (GetErrorCode() == DATABASE_LAYER_OK)
{
SetError(DATABASE_LAYER_ERROR, wxT("Database connection failed"));
}
// Reset the variables so there are not mistaken as initialized
m_pDatabase = NULL;
if (m_pLogin)
{
tds_free_login(m_pLogin);
m_pLogin = NULL;
}
if (m_pContext)
{
tds_free_context(m_pContext);
m_pContext = NULL;
}
ThrowDatabaseException();
return false;
}
tds_free_connection(pConnection);
return true;
}
