File libgda-vfsmonitor.patch of Package libgda

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File libgda-vfsmonitor.patch of Package libgda (Revision 7baccce4bb236f63e89bc1420d071855)

Currently displaying revision 7baccce4bb236f63e89bc1420d071855 , Show latest

http://bugzilla.gnome.org/show_bug.cgi?id=486021
================================================================================
--- configure.in
+++ configure.in
@@ -82,6 +82,7 @@
 	gthread-2.0	>= req_ver_glib
 	gmodule-2.0	>= req_ver_glib
 	libxml-2.0
+	gnome-vfs-2.0
 ])
 LIBGDA_CFLAGS="$LIBGDA_CFLAGS -DLIBGDA_ABI_NAME=$LIBGDA_ABI_NAME"
 AC_SUBST(LIBGDA_CFLAGS)
@@ -116,29 +117,6 @@
 AC_SUBST(SOPREFIX)
 
 dnl ******************************
-dnl Checking for FAM or gamin
-dnl ******************************
-FAM_LIBS=
-FAM_CFLAGS=
-FAM_MISSING_WARNING="Libgda depends on FAM to provide notification when configuration files are changed, without FAM support any application using Libgda will have to be restarted when configuration files are changed to take into account those changes"
-PKG_CHECK_MODULES(GAMIN, gamin >= 0.1.8, have_fam=yes, have_fam=no)
-if test x"$have_fam" = "xyes"
-then
-        FAM_CFLAGS="$GAMIN_CFLAGS"
-        FAM_LIBS="$GAMIN_LIBS"
-	AC_DEFINE(HAVE_FAM, [], [Define if we have FAM])
-else
-        AC_CHECK_LIB(fam, FAMOpen,
-          [AC_CHECK_HEADERS(fam.h,
-            [AC_DEFINE(HAVE_FAM, [], [Define if we have FAM])
-             FAM_LIBS="-lfam"],
-            AC_MSG_WARN(*** FAM support will not be built (header files not found) $FAM_MISSING_WARNING ***))],
-          AC_MSG_WARN(*** FAM support will not be built (FAM library not found) $FAM_MISSING_WARNING ***))
-fi
-AC_SUBST(FAM_LIBS)
-AC_SUBST(FAM_CFLAGS)
-
-dnl ******************************
 dnl Checks for libgcrypt
 dnl ******************************
 LIBGCRYPT_CFLAGS=""
--- libgda/Makefile.am
+++ libgda/Makefile.am
@@ -11,7 +11,6 @@
 	-I$(top_srcdir) \
 	-I$(top_builddir) \
 	$(LIBGDA_CFLAGS) \
-	$(FAM_CFLAGS) \
 	$(BDB_CFLAGS) \
 	$(GNOMEVFS_CFLAGS) \
 	$(LIBGCRYPT_CFLAGS)
@@ -229,7 +228,7 @@
 	handlers/libgda_handlers-3.0.la \
 	binreloc/libgda_binreloc-3.0.la \
 	$(top_builddir)/libsql/libgdasql-3.0.la \
-	$(LIBGDA_LIBS) $(FAM_LIBS) \
+	$(LIBGDA_LIBS) \
 	$(BDB_LIBS) $(GNOMEVFS_LIBS) $(LIBGCRYPT_LIBS)
 
 gdaincludedir=$(includedir)/libgda-$(GDA_ABI_MAJOR_VERSION).$(GDA_ABI_MINOR_VERSION)/libgda
--- libgda/gda-config.c
+++ libgda/gda-config.c
@@ -36,13 +36,8 @@
 #include <libxml/xmlmemory.h>
 #include <libxml/parser.h>
 #include <sys/stat.h>
-#ifdef HAVE_FAM
-#include <fam.h>
-#include <glib/giochannel.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#endif
+#include <libgnomevfs/gnome-vfs-ops.h>
+#include <libgnomevfs/gnome-vfs-utils.h>
 #ifdef G_OS_WIN32
 #include <io.h>
 #endif
@@ -88,22 +83,16 @@
 static gboolean  dsn_list_only_in_mem = FALSE;
 
 /*
- * FAM delcarations and static variables
+ * File monitoring declarations and static variables
  */
-#ifdef HAVE_FAM
-static FAMConnection *fam_connection = NULL;
-static gint           fam_watch_id = 0;
-static gboolean       lock_fam = FALSE;
-static FAMRequest    *fam_conf_user = NULL;
-static FAMRequest    *fam_conf_global = NULL;
-static time_t         last_mtime = 0;
-static time_t         last_ctime = 0;
-static off_t          last_size = 0;
-
-static gboolean       fam_callback (GIOChannel *source, GIOCondition condition, gpointer data);
-static void           fam_lock_notify ();
-static void           fam_unlock_notify ();
-#endif
+static GnomeVFSMonitorHandle *monitor_global, *monitor_user;
+static gboolean monitor_lock;
+
+static void monitor_callback (GnomeVFSMonitorHandle    *handle,
+			      const gchar              *monitor_uri,
+			      const gchar              *info_uri,
+			      GnomeVFSMonitorEventType  event_type,
+			      gpointer                  user_data);
 
 /*
  * Private functions
@@ -280,12 +269,12 @@
 	 */
 	if (! config_client) {
 		GDA_CONFIG_LOCK ();
-		guint len = 0;
+		gsize len = 0;
 		gchar *full_file = NULL;
 		gchar *user_config = NULL;
+		gchar *global_config = NULL;
 		gboolean has_user_config = FALSE;
 		gchar *memonly;
-		gchar *fname;
 				
 		config_client = g_new0 (GdaConfigClient, 1);
 		xmlKeepBlanksDefault(0);
@@ -307,7 +296,7 @@
 		}
 
 		/* global config file name */
-		fname = gda_gbr_get_file_path (GDA_ETC_DIR, LIBGDA_ABI_NAME, "config", NULL);
+		global_config = gda_gbr_get_file_path (GDA_ETC_DIR, LIBGDA_ABI_NAME, "config", NULL);
 
 		has_user_config = g_get_home_dir () ? TRUE : FALSE;
 		if (has_user_config)
@@ -316,7 +305,7 @@
 		{
 			/* compute system wide rights */
 			FILE *file;
-			file = fopen (fname, "a");
+			file = fopen (global_config, "a");
 			if (file) {
 				can_modify_global_conf = TRUE;
 #ifdef GDA_DEBUG_NO
@@ -332,52 +321,36 @@
 			}
 		}
 
-#ifdef HAVE_FAM
-		if (!fam_connection) {
-			/* FAM init */
-			GIOChannel *ioc;
-			int res;
-	
-#ifdef GDA_DEBUG_NO
-			g_print ("Using FAM to monitor configuration files changes.\n");
-#endif
-			fam_connection = g_malloc0 (sizeof (FAMConnection));
-			if (FAMOpen2 (fam_connection, "libgnomedb user") != 0) {
-				g_print ("FAMOpen failed, FAMErrno=%d\n", FAMErrno);
-				g_free (fam_connection);
-				fam_connection = NULL;
-			}
-			else {
-				ioc = g_io_channel_unix_new (FAMCONNECTION_GETFD(fam_connection));
-				fam_watch_id = g_io_add_watch (ioc,
-							       G_IO_IN | G_IO_HUP | G_IO_ERR,
-							       fam_callback, NULL);
-				
-				fam_conf_global = g_new0 (FAMRequest, 1);
-				res = FAMMonitorFile (fam_connection, fname, fam_conf_global, 
-						      GINT_TO_POINTER (TRUE));
-#ifdef GDA_DEBUG_NO
-				g_print ("Monitoring changes on file %s: %s\n", fname, res ? "ERROR" : "Ok");
+		if (!monitor_global) {
+			GnomeVFSResult res;
+			char *uri;
+
+#ifdef GDA_DEBUG
+			g_print ("Using GNOME-VFS to monitor configuration files changes.\n");
 #endif
-				
-				if (has_user_config) {
-					fam_conf_user = g_new0 (FAMRequest, 1);
-					res = FAMMonitorFile (fam_connection, user_config, fam_conf_user, 
-							      GINT_TO_POINTER (FALSE));
-#ifdef GDA_DEBUG_NO
-					g_print ("Monitoring changes on file %s: %s\n", 
-						 user_config, res ? "ERROR" : "Ok");
+
+			uri = gnome_vfs_get_uri_from_local_path (global_config);
+			res = gnome_vfs_monitor_add (&monitor_global, uri, GNOME_VFS_MONITOR_FILE, monitor_callback, NULL);
+			g_free (uri);
+#ifdef GDA_DEBUG
+			g_print ("Monitoring changes on file %s: %s\n", 
+				 fam_conf_global, res ? "ERROR" : "Ok");
 #endif
-				}
-			}
 			
-		}
+			if (has_user_config) {
+				uri = gnome_vfs_get_uri_from_local_path (user_config);
+				res = gnome_vfs_monitor_add (&monitor_user, uri, GNOME_VFS_MONITOR_FILE, monitor_callback, NULL);
+				g_free (uri);
+#ifdef GDA_DEBUG
+				g_print ("Monitoring changes on file %s: %s\n", 
+					 user_config, res ? "ERROR" : "Ok");
 #endif
+			}
 
 		/*
 		 * load system wide config
 		 */
-		if (g_file_get_contents (fname, &full_file, &len, NULL)){
+		if (g_file_get_contents (global_config, &full_file, &len, NULL)){
 			GList *list;
 			config_client->global = gda_config_parse_config_file (full_file, len);
 			g_free (full_file);
@@ -392,7 +365,7 @@
 
 		if (! has_user_config) {
 			/* this can occur on win98, and maybe other win32 platforms */
-			g_free (fname);
+			g_free (global_config);
 			GDA_CONFIG_UNLOCK ();
 			return config_client;
 		}
@@ -475,11 +448,12 @@
 				g_warning ("Config file is not readable.");
 		}
 		g_free (user_config);
-		g_free (fname);
+		g_free (global_config);
 #ifdef GDA_DEBUG_NO
 		dump_config_client ();
 #endif
 		GDA_CONFIG_UNLOCK ();
+		}
 	}
 
 	return config_client;
@@ -487,88 +461,50 @@
 
 static void gda_config_client_reset ();
 
-#ifdef HAVE_FAM
-static gboolean
-fam_callback (GIOChannel *source, GIOCondition condition, gpointer data)
+static void
+monitor_callback (GnomeVFSMonitorHandle    *handle,
+		  const gchar              *monitor_uri,
+		  const gchar              *info_uri,
+		  GnomeVFSMonitorEventType  event_type,
+		  gpointer                  user_data)
 {
-        gboolean res = TRUE;
+	gboolean is_global;
 
-	GDA_CONFIG_LOCK ();
-	while (fam_connection && FAMPending (fam_connection)) {
-                FAMEvent ev;
-		gboolean is_global;
-		
-		if (FAMNextEvent (fam_connection, &ev) != 1) {
-                        FAMClose (fam_connection);
-                        g_free (fam_connection);
-                        g_source_remove (fam_watch_id);
-                        fam_watch_id = 0;
-                        fam_connection = NULL;
-			GDA_CONFIG_UNLOCK ();
-                        return FALSE;
-                }
-
-		if (lock_fam)
-			continue;
+	if (monitor_lock)
+		return;
 
-		is_global = GPOINTER_TO_INT (ev.userdata);
-		switch (ev.code) {
-		case FAMChanged: {
-			struct stat stat;
-			if (lstat (ev.filename, &stat))
-				break;
-			if ((stat.st_mtime != last_mtime) ||
-			    (stat.st_ctime != last_ctime) ||
-			    (stat.st_size != last_size)) {
-				last_mtime = stat.st_mtime;
-				last_ctime = stat.st_ctime;
-				last_size = stat.st_size;
-			}
-			else
-				break;
-		}
-		case FAMDeleted:
-		case FAMCreated:
-#ifdef GDA_DEBUG_NO
-			g_print ("Reloading config files (%s config has changed)\n", is_global ? "global" : "user");
+	is_global = GPOINTER_TO_INT (user_data);
+	switch (event_type) {
+	    case GNOME_VFS_MONITOR_EVENT_CHANGED:
+	    case GNOME_VFS_MONITOR_EVENT_DELETED:
+	    case GNOME_VFS_MONITOR_EVENT_CREATED:
+#ifdef GDA_DEBUG
+		    g_print ("Reloading config files (%s config has changed)\n", is_global ? "global" : "user");
 #endif
-			GDA_CONFIG_LOCK ();
-			gda_config_client_reset ();
-			g_free (config_client);
-			config_client = NULL;
-			/* config_client will be re-created next time a gda_config* call is made */
-			do_notify (NULL);
-			GDA_CONFIG_UNLOCK ();
-			break;
-		case FAMAcknowledge:
-		case FAMStartExecuting:
-		case FAMStopExecuting:
-		case FAMExists:
-		case FAMEndExist:
-		case FAMMoved:
-			/* Not supported */
-			break;
-                }
+		    gda_config_client_reset ();
+		    g_free (config_client);
+		    config_client = NULL;
+		    /* config_client will be re-created next time a gda_config* call is made */
+		    do_notify (NULL);
+		    break;
+	    default:
+		    /* Not supported */
+		    break;
 	}
-	
-	GDA_CONFIG_UNLOCK ();
-        return res;
 }
 
 static void
-fam_lock_notify ()
+monitor_lock_notify ()
 {
-	lock_fam = TRUE;
+	monitor_lock = TRUE;
 }
 
 static void
-fam_unlock_notify ()
+monitor_unlock_notify ()
 {
-	lock_fam = FALSE;
+	monitor_lock = FALSE;
 }
 
-#endif
-
 static GdaConfigSection *
 gda_config_search_section (GList *sections, const gchar *path)
 {
@@ -785,14 +721,10 @@
 	}
 
 	user_config = g_strdup_printf ("%s%s", g_get_home_dir (), LIBGDA_USER_CONFIG_FILE);
-#ifdef HAVE_FAM
-	fam_lock_notify ();
-#endif
+	monitor_lock_notify ();
 	if (xmlSaveFormatFile (user_config, doc, TRUE) == -1)
 		g_warning ("Error saving config data to '%s'", user_config);
-#ifdef HAVE_FAM
-	fam_unlock_notify ();
-#endif
+	monitor_unlock_notify ();
 	g_free (user_config);
 	xmlFreeDoc (doc);
 
@@ -817,9 +749,7 @@
 			}
 		}
 		
-#ifdef HAVE_FAM
-		fam_lock_notify ();
-#endif
+		monitor_lock_notify ();
 		/* global config file name */
 		gchar *fname;
 		fname = gda_gbr_get_file_path (GDA_ETC_DIR, LIBGDA_ABI_NAME, "config", NULL);
@@ -827,9 +757,7 @@
 		if (xmlSaveFormatFile (fname, doc, TRUE) == -1)
 			g_warning ("Error saving config data to '%s'", user_config);
 		g_free (fname);
-#ifdef HAVE_FAM
-		fam_unlock_notify ();
-#endif
+		monitor_unlock_notify ();
 		xmlFreeDoc (doc);
 	}

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File libgda-vfsmonitor.patch of Package libgda (Revision 7baccce4bb236f63e89bc1420d071855)

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