Changeset b5cfc2b for protocols

Timestamp:

2008-05-10T10:09:19Z (17 years ago)

Author:

ulim <a.sporto+bee@…>

Branches:

master

Children:

cce0450

Parents:

b043ad5

Message:

some changes for sending.

• not only query but also respect peer's features (i.e. abort ft if an important feature is not advertised)
• wait for proxy discovery to complete before starting the transfer (important for sending to people with auto accept)

Location:

protocols/jabber

Files:

• jabber.h (modified) (1 diff)
• si.c (modified) (3 diffs)

protocols/jabber/jabber.h

@@ -154 +154 @@
         gpointer streamhandle;
 
+        /* timeout for discover queries */
+        gint disco_timeout;
+        gint disco_timeout_fired;
+
         struct im_connection *ic;
+
+        struct jabber_buddy *bud;
 
         int watch_in;

protocols/jabber/si.c

@@ -45 +45 @@
         }
 
+        if( tf->disco_timeout )
+                b_event_remove( tf->disco_timeout );
+        
         g_free( tf->ini_jid );
         g_free( tf->tgt_jid );
@@ -80 +83 @@
 }
 
+int jabber_si_check_features( struct jabber_transfer *tf, GSList *features ) {
+        int foundft = FALSE, foundbt = FALSE, foundsi = FALSE;
+
+        while ( features )
+        {
+                if( !strcmp( features->data, XMLNS_FILETRANSFER ) )
+                        foundft = TRUE;
+                if( !strcmp( features->data, XMLNS_BYTESTREAMS ) )
+                        foundbt = TRUE;
+                if( !strcmp( features->data, XMLNS_SI ) )
+                        foundsi = TRUE;
+
+                features = g_slist_next(features);
+        }
+
+        if( !foundft )
+                imcb_file_canceled( tf->ft, "Buddy's client doesn't feature file transfers" );
+        else if( !foundbt )
+                imcb_file_canceled( tf->ft, "Buddy's client doesn't feature byte streams (required)" );
+        else if( !foundsi )
+                imcb_file_canceled( tf->ft, "Buddy's client doesn't feature stream initiation (required)" );
+                
+        return foundft && foundbt && foundsi;
+}
+
+void jabber_si_transfer_start( struct jabber_transfer *tf ) {
+
+        if( !jabber_si_check_features( tf, tf->bud->features ) )
+                return;
+                
+        /* send the request to our buddy */
+        jabber_si_send_request( tf->ic, tf->bud->full_jid, tf );
+
+        /* and start the receive logic */
+        imcb_file_recv_start( tf->ft );
+
+}
+
+gboolean jabber_si_waitfor_disco( gpointer data, gint fd, b_input_condition cond )
+{
+        struct jabber_transfer *tf = data;
+        struct jabber_data *jd = tf->ic->proto_data;
+
+        tf->disco_timeout_fired++;
+
+        if( tf->bud->features && jd->have_streamhosts==1 ) {
+                jabber_si_transfer_start( tf );
+                tf->disco_timeout = 0;
+                return FALSE;
+        }
+
+        /* 8 seconds should be enough for server and buddy to respond */
+        if ( tf->disco_timeout_fired < 16 )
+                return TRUE;
+        
+        if( !tf->bud->features && jd->have_streamhosts!=1 )
+                imcb_file_canceled( tf->ft, "Couldn't get buddy's features or the server's" );
+        else if( !tf->bud->features )
+                imcb_file_canceled( tf->ft, "Couldn't get buddy's features" );
+        else
+                imcb_file_canceled( tf->ft, "Couldn't get server's features" );
+        
+        tf->disco_timeout = 0;
+        return FALSE;
+}
+
 void jabber_si_transfer_request( struct im_connection *ic, file_transfer_t *ft, char *who ) 
 {
         struct jabber_transfer *tf;
         struct jabber_data *jd = ic->proto_data;
-        char *server  = jd->server;
-
+        struct jabber_buddy *bud;
+        char *server = jd->server, *s;
+
+        if( ( s = strchr( who, '=' ) ) && jabber_chat_by_jid( ic, s + 1 ) )
+                bud = jabber_buddy_by_ext_jid( ic, who, 0 );
+        else
+                bud = jabber_buddy_by_jid( ic, who, 0 );
+
+        if( bud == NULL )
+        {
+                imcb_file_canceled( tf->ft, "Couldn't find buddy (BUG?)" );
+                return;
+        }
+                
         imcb_log( ic, "Trying to send %s(%zd bytes) to %s", ft->file_name, ft->file_size, who );
 
@@ -95 +176 @@
         tf->ft->free = jabber_si_free_transfer;
         tf->ft->finished = jabber_si_finished;
+        tf->bud = bud;
         ft->write = jabber_bs_send_write;
 
         jd->filetransfers = g_slist_prepend( jd->filetransfers, tf );
 
-        /* query the buddy's features */
-        jabber_iq_query_features( ic, who );
-
-        /* query proxies from the server */
-        if( !jd->have_streamhosts )
+        /* query buddy's features and server's streaming proxies if neccessary */
+
+        if( !tf->bud->features )
+                jabber_iq_query_features( ic, bud->full_jid );
+
+        if( jd->have_streamhosts!=1 ) {
+                jd->have_streamhosts = 0;
                 jabber_iq_query_server( ic, server, XMLNS_DISCO_ITEMS );
-
-        /* send the request to our buddy */
-        jabber_si_send_request( ic, who, tf );
-
-        /* and start the receive logic */
-        imcb_file_recv_start( ft );
+        }
+
+        /* if we had to do a query, wait for the result. 
+         * Otherwise fire away. */
+        if( !tf->bud->features || jd->have_streamhosts!=1 )
+                tf->disco_timeout = b_timeout_add( 500, jabber_si_waitfor_disco, tf );
+        else
+                jabber_si_transfer_start( tf );
 }