rewrite the tracker code. this should improve and/or fix a number of bugs, including "too many open files", "router death", "slow internet", and the mutex release crash.

libtransmission/internal.h

@@ -195,6 +195,7 @@ struct tr_handle
     uint8_t                    isClosed;
 
     struct tr_stats_handle   * sessionStats;
+    struct tr_tracker_handle * tracker;
 };
 
 void tr_globalLock       ( struct tr_handle * );

libtransmission/transmission.c

@@ -347,10 +347,12 @@ deadlineReached( const uint64_t deadline )
     return tr_date( ) >= deadline;
 }
 
+#define SHUTDOWN_MAX_SECONDS 30
+
 void
 tr_close( tr_handle * h )
 {
-    const int maxwait_msec = 6 * 1000;
+    const int maxwait_msec = SHUTDOWN_MAX_SECONDS * 1000;
     const uint64_t deadline = tr_date( ) + maxwait_msec;
 
     tr_runInEventThread( h, tr_closeImpl, h );

libtransmission/trevent.c

@@ -63,7 +63,6 @@ static int writes = 0;
 
 enum mode
 {
-    TR_EV_EVHTTP_MAKE_REQUEST,
     TR_EV_TIMER_ADD,
     TR_EV_EXEC
 };
@@ -130,11 +129,6 @@ pumpList( int i UNUSED, short s UNUSED, void * veh )
                 ++eh->timerCount;
                 break;
 
-            case TR_EV_EVHTTP_MAKE_REQUEST:
-                evhttp_make_request( cmd->evcon, cmd->req, cmd->evtype, cmd->uri );
-                tr_free( cmd->uri );
-                break;
-
             case TR_EV_EXEC:
                 (cmd->func)( cmd->user_data );
                 break;
@@ -242,28 +236,6 @@ tr_amInEventThread( struct tr_handle * handle )
     return tr_amInThread( handle->events->thread );
 }
 
-
-void
-tr_evhttp_make_request (tr_handle                 * handle,
-                        struct evhttp_connection  * evcon,
-                        struct evhttp_request     * req,
-                        enum   evhttp_cmd_type      type,
-                        char                      * uri)
-{
-    if( tr_amInThread( handle->events->thread ) ) {
-        evhttp_make_request( evcon, req, type, uri );
-        tr_free( uri );
-    } else {
-        struct tr_event_command * cmd = tr_new0( struct tr_event_command, 1 );
-        cmd->mode = TR_EV_EVHTTP_MAKE_REQUEST;
-        cmd->evcon = evcon;
-        cmd->req = req;
-        cmd->evtype = type;
-        cmd->uri = uri;
-        pushList( handle->events, cmd );
-    }
-}
-
 /**
 ***
 **/

libtransmission/trevent.h

@@ -31,12 +31,6 @@ struct evhttp_request;
 struct evhttp_connection;
 struct bufferevent;
 
-void tr_evhttp_make_request (struct tr_handle          * tr_handle,
-                             struct evhttp_connection  * evcon,
-                             struct evhttp_request     * req,
-                             enum evhttp_cmd_type        type,
-                             char                      * uri);
-
 /**
 ***
 **/