path: root/meta/packages/pcmanfm/files/no-fam.patch

diff -urNd ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/configure.in pcmanfm-0.3.0.1/configure.in
--- ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/configure.in	2006-08-20 15:45:28.000000000 +0100
+++ pcmanfm-0.3.0.1/configure.in	2006-08-20 20:37:36.000000000 +0100
@@ -63,8 +63,8 @@
   LIBS="$LIBS $FAM_LIBS"
   AC_CHECK_FUNCS([FAMNoExists])
   LIBS="$save_LIBS"
-else
-  AC_MSG_ERROR([Fatal Error: no fam or gamin detected.])
+#else
+#  AC_MSG_ERROR([Fatal Error: no fam or gamin detected.])
 fi
 
 AC_SUBST([FAM_CFLAGS])
diff -urNd ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c
--- ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c	2006-07-16 20:00:46.000000000 +0100
+++ pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c	2006-08-20 20:54:07.000000000 +0100
@@ -31,7 +31,6 @@
 VFSFileMonitorCallbackEntry;
 
 static GHashTable* monitor_hash = NULL;
-static FAMConnection fam;
 static GIOChannel* fam_io_channel = NULL;
 static guint fam_io_watch = 0;
 
@@ -40,6 +39,8 @@
                               GIOCondition cond,
                               gpointer user_data );
 
+#ifdef HAVE_FAM_H
+static FAMConnection fam;
 
 static gboolean connect_to_fam()
 {
@@ -81,6 +82,16 @@
         FAMClose( &fam );
     }
 }
+#else
+static gboolean connect_to_fam ()
+{
+	return FALSE;
+}
+
+static void disconnect_from_fam ()
+{
+}
+#endif
 
 /* final cleanup */
 void vfs_file_monitor_clean()
@@ -109,6 +120,7 @@
                                       VFSFileMonitorCallback cb,
                                       gpointer user_data )
 {
+#ifdef HAVE_FAM_H
     VFSFileMonitor * monitor;
     VFSFileMonitorCallbackEntry cb_ent;
     gboolean add_new = FALSE;
@@ -154,12 +166,16 @@
     }
     ++monitor->n_ref;
     return monitor;
+#else
+	return NULL;
+#endif
 }
 
 void vfs_file_monitor_remove( VFSFileMonitor* fm,
                               VFSFileMonitorCallback cb,
                               gpointer user_data )
 {
+#ifdef HAVE_FAM_H
     int i;
     VFSFileMonitorCallbackEntry* callbacks;
     if ( cb && fm->callbacks )
@@ -183,12 +199,14 @@
         g_array_free( fm->callbacks, TRUE );
         g_slice_free( VFSFileMonitor, fm );
     }
+#endif
 }
 
 static void reconnect_fam( gpointer key,
                            gpointer value,
                            gpointer user_data )
 {
+#ifdef HAVE_FAM_H
     struct stat file_stat;
     VFSFileMonitor* monitor = ( VFSFileMonitor* ) value;
     const char* path = ( const char* ) key;
@@ -209,6 +227,7 @@
                             monitor );
         }
     }
+#endif
 }
 
 /* event handler of all FAM events */
@@ -216,6 +235,7 @@
                               GIOCondition cond,
                               gpointer user_data )
 {
+#ifdef HAVE_FAM_H
     FAMEvent evt;
     VFSFileMonitor* monitor = NULL;
     VFSFileMonitorCallbackEntry* cb;
@@ -266,5 +286,8 @@
         }
     }
     return TRUE;
+#else
+	return TRUE;
+#endif
 }
 
diff -urNd ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c~ pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c~
--- ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c~	1970-01-01 01:00:00.000000000 +0100
+++ pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.c~	2006-08-20 20:50:49.000000000 +0100
@@ -0,0 +1,292 @@
+/*
+*  C Implementation: vfs-monitor
+*
+* Description:
+*
+*
+* Author: Hong Jen Yee (PCMan) <pcman.tw (AT) gmail.com>, (C) 2006
+*
+* Copyright: See COPYING file that comes with this distribution
+*
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "vfs-file-monitor.h"
+#include <sys/types.h>  /* for stat */
+#include <sys/stat.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "glib-mem.h"
+
+typedef struct
+{
+    VFSFileMonitorCallback callback;
+    gpointer user_data;
+}
+VFSFileMonitorCallbackEntry;
+
+static GHashTable* monitor_hash = NULL;
+static FAMConnection fam;
+static GIOChannel* fam_io_channel = NULL;
+static guint fam_io_watch = 0;
+
+/* event handler of all FAM events */
+static gboolean on_fam_event( GIOChannel *channel,
+                              GIOCondition cond,
+                              gpointer user_data );
+
+#ifdef HAVE_FAM_H
+static gboolean connect_to_fam()
+{
+    if ( FAMOpen( &fam ) )
+    {
+        fam_io_channel = NULL;
+        fam.fd = -1;
+        g_warning( "There is no FAM/gamin server\n" );
+        return FALSE;
+    }
+#if HAVE_FAMNOEXISTS
+    /*
+    * Disable the initital directory content loading.
+    * This can greatly speed up directory loading, but
+    * unfortunately, it's not compatible with original FAM.
+    */
+    FAMNoExists( &fam );  /* This is an extension of gamin */
+#endif
+
+    fam_io_channel = g_io_channel_unix_new( fam.fd );
+    g_io_channel_set_encoding( fam_io_channel, NULL, NULL );
+    g_io_channel_set_buffered( fam_io_channel, FALSE );
+
+    fam_io_watch = g_io_add_watch( fam_io_channel,
+                                   G_IO_IN | G_IO_HUP,
+                                   on_fam_event,
+                                   NULL );
+    return TRUE;
+}
+
+static void disconnect_from_fam()
+{
+    if ( fam_io_channel )
+    {
+        g_io_channel_unref( fam_io_channel );
+        fam_io_channel = NULL;
+        g_source_remove( fam_io_watch );
+
+        FAMClose( &fam );
+    }
+}
+#else
+static gboolean connect_to_fam ()
+{
+	return FALSE;
+}
+
+static void disconnect_from_fam ()
+{
+}
+#endif
+
+/* final cleanup */
+void vfs_file_monitor_clean()
+{
+    disconnect_from_fam();
+    if ( monitor_hash )
+    {
+        g_hash_table_destroy( monitor_hash );
+        monitor_hash = NULL;
+    }
+}
+
+/*
+* Init monitor:
+* Establish connection with gamin/fam.
+*/
+gboolean vfs_file_monitor_init()
+{
+    monitor_hash = g_hash_table_new( g_str_hash, g_str_equal );
+    if ( ! connect_to_fam() )
+        return FALSE;
+    return TRUE;
+}
+
+VFSFileMonitor* vfs_file_monitor_add( const char* path,
+                                      VFSFileMonitorCallback cb,
+                                      gpointer user_data )
+{
+#ifdef HAVE_FAM_H
+    VFSFileMonitor * monitor;
+    VFSFileMonitorCallbackEntry cb_ent;
+    gboolean add_new = FALSE;
+    struct stat file_stat;
+
+    if ( ! monitor_hash )
+    {
+        if ( !vfs_file_monitor_init() )
+            return NULL;
+    }
+    monitor = ( VFSFileMonitor* ) g_hash_table_lookup ( monitor_hash, path );
+    if ( ! monitor )
+    {
+        monitor = g_slice_new0( VFSFileMonitor );
+        monitor->path = g_strdup( path );
+        monitor->callbacks = g_array_new ( FALSE, FALSE, sizeof( VFSFileMonitorCallbackEntry ) );
+        g_hash_table_insert ( monitor_hash,
+                              path,
+                              monitor );
+        if ( lstat( path, &file_stat ) != -1 )
+        {
+            if ( S_ISDIR( file_stat.st_mode ) )
+            {
+                FAMMonitorDirectory( &fam,
+                                     path,
+                                     &monitor->request,
+                                     monitor );
+            }
+            else
+            {
+                FAMMonitorFile( &fam,
+                                path,
+                                &monitor->request,
+                                monitor );
+            }
+        }
+    }
+    if ( cb )
+    { /* Install a callback */
+        cb_ent.callback = cb;
+        cb_ent.user_data = user_data;
+        monitor->callbacks = g_array_append_val( monitor->callbacks, cb_ent );
+    }
+    ++monitor->n_ref;
+    return monitor;
+#else
+	return NULL;
+#endif
+}
+
+void vfs_file_monitor_remove( VFSFileMonitor* fm,
+                              VFSFileMonitorCallback cb,
+                              gpointer user_data )
+{
+#ifdef HAVE_FAM_H
+    int i;
+    VFSFileMonitorCallbackEntry* callbacks;
+    if ( cb && fm->callbacks )
+    {
+        callbacks = ( VFSFileMonitorCallbackEntry* ) fm->callbacks->data;
+        for ( i = 0; i < fm->callbacks->len; ++i )
+        {
+            if ( callbacks[ i ].callback == cb && callbacks[ i ].user_data == user_data )
+            {
+                fm->callbacks = g_array_remove_index_fast ( fm->callbacks, i );
+                break;
+            }
+        }
+    }
+    --fm->n_ref;
+    if ( 0 >= fm->n_ref )
+    {
+        FAMCancelMonitor( &fam, &fm->request );
+        g_hash_table_remove( monitor_hash, fm->path );
+        g_free( fm->path );
+        g_array_free( fm->callbacks, TRUE );
+        g_slice_free( VFSFileMonitor, fm );
+    }
+#endif
+}
+
+static void reconnect_fam( gpointer key,
+                           gpointer value,
+                           gpointer user_data )
+{
+#ifdef HAVE_FAM_H
+    struct stat file_stat;
+    VFSFileMonitor* monitor = ( VFSFileMonitor* ) value;
+    const char* path = ( const char* ) key;
+    if ( lstat( path, &file_stat ) != -1 )
+    {
+        if ( S_ISDIR( file_stat.st_mode ) )
+        {
+            FAMMonitorDirectory( &fam,
+                                 path,
+                                 &monitor->request,
+                                 monitor );
+        }
+        else
+        {
+            FAMMonitorFile( &fam,
+                            path,
+                            &monitor->request,
+                            monitor );
+        }
+    }
+#endif
+}
+
+/* event handler of all FAM events */
+static gboolean on_fam_event( GIOChannel *channel,
+                              GIOCondition cond,
+                              gpointer user_data )
+{
+#ifdef HAVE_FAM_H
+    FAMEvent evt;
+    VFSFileMonitor* monitor = NULL;
+    VFSFileMonitorCallbackEntry* cb;
+    VFSFileMonitorCallback func;
+    int i;
+
+    if ( cond & G_IO_HUP )
+    {
+        disconnect_from_fam();
+        if ( g_hash_table_size ( monitor_hash ) > 0 )
+        {
+            /*
+              Disconnected from FAM server, but there are still monitors.
+              This may be caused by crash of FAM server.
+              So we have to reconnect to FAM server.
+            */
+            connect_to_fam();
+            g_hash_table_foreach( monitor_hash, ( GHFunc ) reconnect_fam, NULL );
+        }
+        return TRUE; /* don't need to remove the event source since
+                            it has been removed by disconnect_from_fam(). */
+    }
+
+    while ( FAMPending( &fam ) )
+    {
+        if ( FAMNextEvent( &fam, &evt ) > 0 )
+        {
+            monitor = ( VFSFileMonitor* ) evt.userdata;
+            switch ( evt.code )
+            {
+            case FAMCreated:
+            case FAMDeleted:
+            case FAMChanged:
+                /* Call the callback functions */
+                if ( monitor->callbacks && monitor->callbacks->len )
+                {
+                    cb = ( VFSFileMonitorCallbackEntry* ) monitor->callbacks->data;
+                    for ( i = 0; i < monitor->callbacks->len; ++i )
+                    {
+                        func = cb[ i ].callback;
+                        func( monitor, evt.code, evt.filename, cb[ i ].user_data );
+                    }
+                }
+                break;
+            default:
+                return TRUE;  /* Other events are not supported */
+            }
+        }
+    }
+    return TRUE;
+#else
+	return TRUE;
+#endif
+}
+
diff -urNd ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.h pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.h
--- ../pcmanfm-0.3.0.1-r0/pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.h	2006-04-03 00:38:33.000000000 +0100
+++ pcmanfm-0.3.0.1/src/vfs/vfs-file-monitor.h	2006-08-20 20:47:00.000000000 +0100
@@ -20,7 +20,16 @@
 #define _VFS_FILE_MONITOR_H_
 
 #include <glib.h>
+#ifdef HAVE_FAM_H
 #include <fam.h>
+#else
+#	define FAMCreated 0
+#	define FAMDeleted 1
+#	define FAMChanged 2
+typedef struct {
+	int reqnum;
+} FAMRequest;
+#endif
 
 G_BEGIN_DECLS