qof-gda.c File Reference

Public interface of qof-backend-gda. More...

#include "config.h"
#include <glib.h>
#include <glib/gstdio.h>
#include <libintl.h>
#include <libgda/libgda.h>
#include "qof.h"
#include "qof-gda.h"
#include "qofsql-p.h"

Go to the source code of this file.

Defines
#define	_(String)   dgettext (GETTEXT_PACKAGE, String)
#define	ACCESS_METHOD   "gda"
#define	LIBGDA_DIR   ".qofgda"
#define	GDA_DBNAME   "gda-database-name"
#define	GDA_USERNAME   "gda-username"
#define	GDA_PASSWORD   "gda-password"
#define	GDA_DATASOURCE   "qof-gda-source"
#define	ONLY_DEBUG   1
Functions
static gboolean	qgda_determine_file_type (const gchar *path)
static void	qgda_modify (QofBackend *be, QofInstance *inst)
static void	create_tables (QofObject *obj, gpointer user_data)
static gboolean	create_data_source (QGdaBackend *qgda_be)
static void	qgda_session_begin (QofBackend *be, QofSession *session, const gchar *book_path, gboolean ignore_lock, gboolean create_if_nonexistent)
static void	load_entities (gpointer value, gpointer user_data)
static void	qgda_class_foreach (QofObject *obj, gpointer data)
static void	qgda_db_load (QofBackend *be, QofBook *book)
static void	qgda_check_entity (QofEntity *ent, gpointer data)
static void	qgda_write_foreach (QofObject *obj, gpointer data)
static void	qgda_write_db (QofBackend *be, QofBook *book)
static void	qgda_session_end (QofBackend *be)
static void	qgda_destroy_backend (QofBackend *be)
static void	option_cb (QofBackendOption *option, gpointer data)
static void	load_config (QofBackend *be, KvpFrame *config)
static KvpFrame *	get_config (QofBackend *be)
static QofBackend *	qgda_backend_new (void)
static void	qgda_provider_free (QofBackendProvider *prov)
void	qof_gda_provider_init (void)
	Initialises the libgda2 QOF backend.
Variables
static QofLogModule	log_module = "qof-backend-gda"

---

Detailed Description

Public interface of qof-backend-gda.

Author:

Copyright 2006-2008 Neil Williams <linux@codehelp.co.uk>

Definition in file qof-gda.c.

---

Define Documentation

#define ONLY_DEBUG   1

enable for debug

Definition at line 42 of file qof-gda.c.

---

Function Documentation

static void qgda_session_begin	(	QofBackend *	be,
		QofSession *	session,
		const gchar *	book_path,
		gboolean	ignore_lock,
		gboolean	create_if_nonexistent
	)		[static]

Bug:

we probably don't want to remove once out of debug. :-)

Definition at line 265 of file qof-gda.c.

{
    QGdaBackend *qgda_be;
    GdaDataSourceInfo * source;
    gboolean created;

    /* cannot use ignore_lock */
    PINFO (" gda session start");
    qgda_be = (QGdaBackend*)be;
    be->fullpath = g_strdup (book_path);
    qgda_be->gda_err = NULL;
    if(book_path == NULL)
    {
        qof_error_set_be (be, qof_error_register
            (_("GDA: No data source path specified."), FALSE));
        qgda_be->error = TRUE;
        LEAVE (" bad URL");
        return;
    }
    /* check/create the ~/.libgda location. */
    {
        struct stat lg;
        gint ret;

        ret = g_stat (g_get_home_dir(), &lg);
        if (ret)
        {
            qof_error_set_be (be, qof_error_register
                (_("GDA: Unable to locate your home directory."),
                FALSE));
            qgda_be->error = TRUE;
            LEAVE (" unable to use stat on home_dir.");
            return;
        }
        qgda_be->gdahome = g_strconcat (g_get_home_dir(), "/", LIBGDA_DIR, NULL);
        if (!S_ISDIR (lg.st_mode) || lg.st_size == 0)
            ret = g_mkdir_with_parents (qgda_be->gdahome, 0700);
        if (ret)
        {
            qof_error_set_be (be, qof_error_register
                (_("GDA: Unable to create a .libgda directory "
                "within your home directory."), FALSE));
            qgda_be->error = TRUE;
            LEAVE (" unable to create '%s' 0700", qgda_be->gdahome);
            return;
        }
    }
    if (qgda_be->data_source_name)
    {
        /* check data source */
        qgda_be->book = qof_session_get_book (session);
        PINFO ("name=%s", qgda_be->data_source_name);
        PINFO ("provider=%s", qgda_be->provider_name);
        created = FALSE;
        source = gda_config_find_data_source
            (qgda_be->data_source_name);
        if (!source && create_if_nonexistent)
        {
            DEBUG (" no source, creating . . .");
            created = create_data_source (qgda_be);
        }
        if (!source && !created)
        {
            qof_error_set_be (be, qof_error_register
                (_("GDA: No data source found at '%s' - Try loading data "
                "from another file and write to gda: again to create the "
                "GDA data source."), TRUE));
            DEBUG (" no source but set not to create.");
            qgda_be->error = TRUE;
            return;
        }
    }
    PINFO (" trying for a connection");
    /* use the username and password that created the source */
    qgda_be->connection = gda_client_open_connection
        (qgda_be->client_pool, qgda_be->data_source_name,
        NULL, NULL, GDA_CONNECTION_OPTIONS_DONT_SHARE, &qgda_be->gda_err);
    if (qgda_be->connection)
    {
        PINFO (" appear to be connected.");
        /* create tables per QofObject */
        qof_object_foreach_type (create_tables, qgda_be);
    }
    else
    {
        gchar * msg;

        msg = g_strdup_printf (
            _("GDA encountered an error '%s' using data source '%s'."),
                qgda_be->gda_err->message, qgda_be->data_source_name);
        qof_error_set_be (be, qof_error_register (msg, FALSE));
        PERR (" failed to connect to GDA: '%s'", msg);
        qgda_be->error = TRUE;
        g_message (msg);
        g_free (msg);
        g_error_free (qgda_be->gda_err);
#ifdef ONLY_DEBUG

        PERR ("connect request failed, removing %s", qgda_be->data_source_name);
        g_message ("connect request failed, removing %s", qgda_be->data_source_name);
        gda_config_remove_data_source (qgda_be->data_source_name);
#endif
    }
}