events_libevent.c

1 files changed, 144 insertions, 0 deletions

diff --git a/protocols/events_libevent.c b/protocols/events_libevent.c
new file mode 100644
index 00000000..ee25f346
--- /dev/null
+++ b/protocols/events_libevent.c
@@ -0,0 +1,144 @@
+  /********************************************************************\
+  * BitlBee -- An IRC to other IM-networks gateway                     *
+  *                                                                    *
+  * Copyright 2002-2006 Wilmer van der Gaast and others                *
+  \********************************************************************/
+
+/*
+ * Event handling (using libevent)
+ */
+
+/*
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License with
+  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
+  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
+  Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#define BITLBEE_CORE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include "proxy.h"
+
+#include <sys/time.h>
+#include <event.h>
+
+static guint id_next;
+static GHashTable *id_hash;
+
+
+struct b_event_data
+{
+	guint id;
+	struct event evinfo;
+	b_event_handler function;
+	void *data;
+};
+
+void b_main_init()
+{
+	event_init();
+	
+	id_next = 1;
+	id_hash = g_hash_table_new( g_int_hash, g_int_equal );
+}
+
+void b_main_run()
+{
+	event_dispatch();
+}
+
+void b_main_quit()
+{
+	struct timeval tv;
+	
+	memset( &tv, 0, sizeof( struct timeval ) );
+	event_loopexit( &tv );
+}
+
+static void b_event_passthrough( int fd, short event, void *data )
+{
+	struct b_event_data *b_ev = data;
+	b_input_condition cond = 0;
+
+	if( event & EV_READ )
+		cond |= GAIM_INPUT_READ;
+	if( event & EV_WRITE )
+		cond |= GAIM_INPUT_WRITE;
+
+	if( !b_ev->function( b_ev->data, fd, cond ) )
+		b_event_remove( b_ev->id );
+}
+
+gint b_input_add( gint source, b_input_condition condition, b_event_handler function, gpointer data )
+{
+	struct b_event_data *b_ev = g_new0( struct b_event_data, 1 );
+	GIOCondition cond;
+	
+	b_ev->id == id_next++;
+	b_ev->function = function;
+	b_ev->data = data;
+	
+	cond = EV_PERSIST;
+	if( condition & GAIM_INPUT_READ )
+		cond |= EV_READ;
+	if( condition & GAIM_INPUT_WRITE )
+		cond |= EV_WRITE;
+	
+	event_set( &b_ev->evinfo, source, cond, b_event_passthrough, b_ev );
+	event_add( &b_ev->evinfo, NULL );
+	
+	g_hash_table_insert( id_hash, &b_ev->id, b_ev );
+	
+	return b_ev->id;
+}
+
+gint b_timeout_add( gint timeout, b_event_handler function, gpointer data )
+{
+	struct b_event_data *b_ev = g_new0( struct b_event_data, 1 );
+	struct timeval tv;
+	
+	b_ev->id == id_next++;
+	b_ev->function = function;
+	b_ev->data = data;
+	
+	tv.tv_sec = timeout / 1000;
+	tv.tv_usec = ( timeout % 1000 ) * 1000;
+	
+	evtimer_set( &b_ev->evinfo, b_event_passthrough, b_ev );
+	evtimer_add( &b_ev->evinfo, &tv);
+	
+	g_hash_table_insert( id_hash, &b_ev->id, b_ev );
+	
+	return b_ev->id;
+}
+
+void b_event_remove( gint tag )
+{
+	struct b_event_data *b_ev = g_hash_table_lookup( id_hash, &tag );
+	
+	if( b_ev )
+	{
+		event_del( &b_ev->evinfo );
+		g_hash_table_remove( id_hash, &tag );
+		g_free( b_ev );
+	}
+}
+
+gboolean b_event_remove_by_data( gpointer data )
+{
+	/* FIXME! */
+	return FALSE;
+}