C++ (Cpp) dbi_conn_error_handlerの例

コード例 #1

ファイル: gnc-backend-dbi.cpp プロジェクト: tmertens/gnucash

template <DbType Type> dbi_conn
conn_setup (QofBackend* qbe, PairVec& options,
            UriStrings& uri)
{
    const char* dbstr = (Type == DbType::DBI_SQLITE ? "sqlite3" :
                         Type == DbType::DBI_MYSQL ? "mysql" : "pgsql");
#if HAVE_LIBDBI_R
    dbi_conn conn = nullptr;
    if (dbi_instance)
        conn = dbi_conn_new_r (dbstr, dbi_instance);
    else
        PERR ("Attempt to connect with an uninitialized dbi_instance");
#else
    auto conn = dbi_conn_new (dbstr);
#endif

    if (conn == nullptr)
    {
        PERR ("Unable to create %s dbi connection", dbstr);
        qof_backend_set_error (qbe, ERR_BACKEND_BAD_URL);
	return nullptr;
    }

    dbi_conn_error_handler (conn, error_handler<Type>, qbe);
    if (!uri.m_dbname.empty() &&
        !set_standard_connection_options(qbe, conn, uri))
    {
        dbi_conn_close(conn);
        return nullptr;
    }
    if(!options.empty())
    {
        try {
            set_options(conn, options);
        }
        catch (std::runtime_error& err)
        {
            dbi_conn_close(conn);
            qof_backend_set_error (qbe, ERR_BACKEND_SERVER_ERR);
            return nullptr;
        }
    }

    return conn;
}

コード例 #2

ファイル: dbi.c プロジェクト: Bradan/gammu

/* Connects to database */
static GSM_Error SMSDDBI_Connect(GSM_SMSDConfig * Config)
{
	int rc;
	struct GSM_SMSDdbobj *db = Config->db;

	rc = dbi_initialize(Config->driverspath);

	if (rc == 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI did not find any drivers, try using DriversPath option");
		dbi_shutdown();
		return ERR_DB_DRIVER;
	} else if (rc < 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to initialize!");
		return ERR_DB_DRIVER;
	}

	Config->conn.dbi = dbi_conn_new(Config->driver);
	if (Config->conn.dbi == NULL) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to init %s driver!", Config->driver);
		dbi_shutdown();
		return ERR_DB_DRIVER;
	} else {
		SMSD_Log(DEBUG_SQL, Config, "Using DBI driver '%s'", dbi_driver_get_name(dbi_conn_get_driver(Config->conn.dbi)));
	}

	dbi_conn_error_handler(Config->conn.dbi, SMSDDBI_Callback, Config);

	if (dbi_conn_set_option(Config->conn.dbi, "sqlite_dbdir", Config->dbdir) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set sqlite_dbdir!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}
	if (dbi_conn_set_option(Config->conn.dbi, "sqlite3_dbdir", Config->dbdir) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set sqlite3_dbdir!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}
	if (dbi_conn_set_option(Config->conn.dbi, "host", Config->host) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set host!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}
	if (dbi_conn_set_option(Config->conn.dbi, "username", Config->user) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set username!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}
	if (dbi_conn_set_option(Config->conn.dbi, "password", Config->password) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set password!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}
	if (dbi_conn_set_option(Config->conn.dbi, "dbname", Config->database) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set dbname!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}
	if (dbi_conn_set_option(Config->conn.dbi, "encoding", "UTF-8") != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to set encoding!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONFIG;
	}

	if (dbi_conn_connect(Config->conn.dbi) != 0) {
		SMSD_Log(DEBUG_ERROR, Config, "DBI failed to connect!");
		SMSDDBI_Free(Config);
		return ERR_DB_CONNECT;
	}
	Config->db = db;
	return ERR_NONE;
}