aboutsummaryrefslogtreecommitdiffstats
path: root/protocols/events_libevent.c
diff options
context:
space:
mode:
Diffstat (limited to 'protocols/events_libevent.c')
-rw-r--r--protocols/events_libevent.c247
1 files changed, 0 insertions, 247 deletions
diff --git a/protocols/events_libevent.c b/protocols/events_libevent.c
deleted file mode 100644
index 1119c2ab..00000000
--- a/protocols/events_libevent.c
+++ /dev/null
@@ -1,247 +0,0 @@
- /********************************************************************\
- * 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 <unistd.h>
-#include <sys/types.h>
-#include "proxy.h"
-
-#include <sys/time.h>
-#include <event.h>
-
-static guint id_next;
-static GHashTable *id_hash;
-static int quitting = 0;
-
-/* Since libevent doesn't handle two event handlers for one fd-condition
- very well (which happens sometimes when BitlBee changes event handlers
- for a combination), let's buid some indexes so we can delete them here
- already, just in time. */
-static GHashTable *read_hash;
-static GHashTable *write_hash;
-
-struct b_event_data
-{
- guint id;
- struct event evinfo;
- gint timeout;
- 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 );
- read_hash = g_hash_table_new( g_int_hash, g_int_equal );
- write_hash = g_hash_table_new( g_int_hash, g_int_equal );
-}
-
-void b_main_run()
-{
- event_dispatch();
-}
-
-void b_main_quit()
-{
- struct timeval tv;
-
- /* libevent sometimes generates events before really quitting,
- we want to stop them. */
- quitting = 1;
-
- 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;
- int id;
-
- if( fd >= 0 )
- {
- if( event & EV_READ )
- cond |= GAIM_INPUT_READ;
- if( event & EV_WRITE )
- cond |= GAIM_INPUT_WRITE;
- }
-
- event_debug( "b_event_passthrough( %d, %d, 0x%x ) (%d)\n", fd, event, (int) data, b_ev->id );
-
- /* Since the called function might cancel this handler already
- (which free()s b_ev, we have to remember the ID here. */
- id = b_ev->id;
-
- if( quitting )
- {
- b_event_remove( id );
- return;
- }
-
- if( !b_ev->function( b_ev->data, fd, cond ) )
- {
- event_debug( "Handler returned FALSE: " );
- b_event_remove( id );
- }
- else if( fd == -1 )
- {
- struct timeval tv;
-
- tv.tv_sec = b_ev->timeout / 1000;
- tv.tv_usec = ( b_ev->timeout % 1000 ) * 1000;
-
- evtimer_add( &b_ev->evinfo, &tv );
- }
-}
-
-gint b_input_add( gint fd, b_input_condition condition, b_event_handler function, gpointer data )
-{
- struct b_event_data *b_ev;
-
- event_debug( "b_input_add( %d, %d, 0x%x, 0x%x ) ", fd, condition, function, data );
-
- if( ( condition & GAIM_INPUT_READ && ( b_ev = g_hash_table_lookup( read_hash, &fd ) ) ) ||
- ( condition & GAIM_INPUT_WRITE && ( b_ev = g_hash_table_lookup( write_hash, &fd ) ) ) )
- {
- /* We'll stick with this libevent entry, but give it a new BitlBee id. */
- g_hash_table_remove( id_hash, &b_ev->id );
-
- event_debug( "(replacing old handler (id = %d)) = %d\n", b_ev->id, id_next );
-
- b_ev->id = id_next++;
- b_ev->function = function;
- b_ev->data = data;
- }
- else
- {
- GIOCondition out_cond;
-
- event_debug( "(new) = %d\n", id_next );
-
- b_ev = g_new0( struct b_event_data, 1 );
- b_ev->id = id_next++;
- b_ev->function = function;
- b_ev->data = data;
-
- out_cond = EV_PERSIST;
- if( condition & GAIM_INPUT_READ )
- out_cond |= EV_READ;
- if( condition & GAIM_INPUT_WRITE )
- out_cond |= EV_WRITE;
-
- event_set( &b_ev->evinfo, fd, out_cond, b_event_passthrough, b_ev );
- event_add( &b_ev->evinfo, NULL );
-
- if( out_cond & EV_READ )
- g_hash_table_insert( read_hash, &b_ev->evinfo.ev_fd, b_ev );
- if( out_cond & EV_WRITE )
- g_hash_table_insert( write_hash, &b_ev->evinfo.ev_fd, b_ev );
- }
-
- g_hash_table_insert( id_hash, &b_ev->id, b_ev );
- return b_ev->id;
-}
-
-/* TODO: Persistence for timers! */
-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->timeout = timeout;
- 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 );
-
- event_debug( "b_timeout_add( %d, 0x%x, 0x%x ) = %d\n", timeout, function, data, b_ev->id );
-
- g_hash_table_insert( id_hash, &b_ev->id, b_ev );
-
- return b_ev->id;
-}
-
-void b_event_remove( gint id )
-{
- struct b_event_data *b_ev = g_hash_table_lookup( id_hash, &id );
-
- event_debug( "b_event_remove( %d )\n", id );
- if( b_ev )
- {
- g_hash_table_remove( id_hash, &b_ev->id );
- if( b_ev->evinfo.ev_fd >= 0 )
- {
- if( b_ev->evinfo.ev_events & EV_READ )
- g_hash_table_remove( read_hash, &b_ev->evinfo.ev_fd );
- if( b_ev->evinfo.ev_events & EV_WRITE )
- g_hash_table_remove( write_hash, &b_ev->evinfo.ev_fd );
- }
-
- event_del( &b_ev->evinfo );
- g_free( b_ev );
- }
- else
- {
- event_debug( "Already removed?\n" );
- }
-}
-
-void closesocket( int fd )
-{
- struct b_event_data *b_ev;
-
- /* Since epoll() (the main reason we use libevent) automatically removes sockets from
- the epoll() list when a socket gets closed and some modules have a habit of
- closing sockets before removing event handlers, our and libevent's administration
- get a little bit messed up. So this little function will remove the handlers
- properly before closing a socket. */
-
- if( ( b_ev = g_hash_table_lookup( read_hash, &fd ) ) )
- {
- event_debug( "Warning: fd %d still had a read event handler when shutting down.\n", fd );
- b_event_remove( b_ev->id );
- }
- if( ( b_ev = g_hash_table_lookup( write_hash, &fd ) ) )
- {
- event_debug( "Warning: fd %d still had a write event handler when shutting down.\n", fd );
- b_event_remove( b_ev->id );
- }
-
- close( fd );
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-28 15:06:42 +0000