Big OSC signal cleanups

mixer/src/Mixer.C

@@ -48,6 +48,8 @@
 #include <lo/lo.h>
 #include "FL/Fl_Blinker.H"
 
+#include "OSC/Endpoint.H"
+
 const double STATUS_UPDATE_FREQ = 0.2f;
 
 const double OSC_INTERVAL = 1.0 / 20.0;                          /* 20 hz */
@@ -679,6 +681,22 @@ Mixer::handle ( int m )
 
 
 
+void
+Mixer::discover_peers ( void )
+{
+    if ( nsm->is_active() )
+    {
+        lo_message m = lo_message_new();
+        
+        lo_message_add_string( m, "/non/finger" );
+        lo_message_add_string( m, osc_endpoint->url() );
+
+        nsm->broadcast( m );
+        
+        lo_message_free( m );
+    }
+}
+
 /************/
 /* Commands */
 /************/

mixer/src/Mixer.H

@@ -29,8 +29,8 @@
 class Fl_Blinker;
 class Fl_Flowpack;
 class Fl_Menu_Bar;
-
+namespace OSC { class Endpoint; }
-#include "OSC/Endpoint.H"
+#include <lo/lo.h>
 
 class Mixer : public Fl_Group
 {
@@ -105,6 +105,8 @@ public:
 
     void say_hello ( void );
 
+    void discover_peers ( void );
+
 public:
 
     bool command_save ( void );

mixer/src/Module.C

@@ -39,6 +39,8 @@
 #include "FL/menu_popup.H"
 #include "Mixer.H"
 
+#include "OSC/Endpoint.H"
+
 
 
 Module *Module::_copied_module_empty = 0;
@@ -226,7 +228,7 @@ Module::Port::generate_osc_path ()
 
     char *path = NULL;
 
-    // /mixer/STRIPNAME/MODULENAME/CONTROLNAME
+    // /strip/STRIPNAME/MODULENAME/CONTROLNAME
 
     if ( ! module()->allows_external_control() )
     {
@@ -237,9 +239,9 @@ Module::Port::generate_osc_path ()
     int n = module()->chain()->get_module_instance_number( module() );
 
     if ( n > 0 )        
-        asprintf( &path, "/mixer/%s/%s.%i/%s", module()->chain()->name(), p->module()->label(), n, p->name() );
+        asprintf( &path, "/strip/%s/%s.%i/%s", module()->chain()->name(), p->module()->label(), n, p->name() );
     else
-        asprintf( &path, "/mixer/%s/%s/%s", module()->chain()->name(), p->module()->label(), p->name() );
+        asprintf( &path, "/strip/%s/%s/%s", module()->chain()->name(), p->module()->label(), p->name() );
 
     // Hack to keep spaces out of OSC URL... Probably need to handle other special characters similarly.
     for ( int i = strlen( path ); i--; )
@@ -251,6 +253,12 @@ Module::Port::generate_osc_path ()
     return path;
 }
 
+void
+Module::Port::handle_signal_connection_state_changed ( OSC::Signal *s )
+{
+    module()->redraw();
+}
+
 void
 Module::Port::change_osc_path ( char *path )
 {
@@ -261,20 +269,26 @@ Module::Port::change_osc_path ( char *path )
 
         asprintf( &unscaled_path, "%s/unscaled", path );
 
-        if ( ! ( _scaled_signal && _unscaled_signal ) )
+        if ( NULL == _scaled_signal )
         {
             _scaled_signal =
                 mixer->osc_endpoint->add_signal( scaled_path, 
                                                  OSC::Signal::Input, &Module::Port::osc_control_change_cv, this );
 
+            _scaled_signal->signal_connection_state_changed.connect( sigc::mem_fun( this, &Module::Port::handle_signal_connection_state_changed ) );
+     
             _unscaled_signal = 
                 mixer->osc_endpoint->add_signal( unscaled_path, 
                                                  OSC::Signal::Input, &Module::Port::osc_control_change_exact, this );
         }
         else
         {
+            DMESSAGE( "Renaming OSC signals" );
+
             _scaled_signal->rename( scaled_path );
             _unscaled_signal->rename( unscaled_path );
+
+            return;
         }
 
         free( unscaled_path );
@@ -516,7 +530,7 @@ Module::draw_box ( void )
         {
             fl_draw_box( FL_ROUNDED_BOX, tx + 4, ty + 4, 5, 5, is_being_controlled() ? FL_YELLOW : fl_inactive( FL_YELLOW ) );
 
-            fl_draw_box( FL_ROUNDED_BOX, tx + 4, ty + 8, 5, 5, is_being_controlled_osc() ? FL_GREEN : fl_inactive( FL_GREEN ) );
+            fl_draw_box( FL_ROUNDED_BOX, tx + 4, ty + th - 8, 5, 5, is_being_controlled_osc() ? FL_YELLOW : fl_inactive( FL_YELLOW ) );
         }
 
         if ( control_output.size() )

mixer/src/Module.H

@@ -170,13 +170,12 @@ public:
 
         void update_osc_port ( )
             {
-                if ( INPUT == _direction )
+//                if ( INPUT == _direction )
                 change_osc_path( generate_osc_path() );
             }
 
         void destroy_osc_port ( )
             {
-
                 delete _unscaled_signal;
                 delete _scaled_signal;
                 
@@ -256,8 +255,11 @@ public:
         nframes_t _nframes;
         Module *_module;
 
+
         OSC::Signal *_scaled_signal;
         OSC::Signal *_unscaled_signal;
+
+        void handle_signal_connection_state_changed ( OSC::Signal *s );
     };
 
     void bbox ( int &X, int &Y, int &W, int &H )

mixer/src/NSM.C

@@ -23,6 +23,8 @@
 #include "NSM.H"
 #include "Project.H"
 
+#include "OSC/Endpoint.H"
+
 extern char *instance_name;
 extern Mixer *mixer;
 
@@ -101,6 +103,8 @@ NSM_Client::command_open ( const char *name, const char *display_name, const cha
         }
     }
 
+    mixer->discover_peers();
+
     Fl::unlock();
 
     return r;

nonlib/OSC/Endpoint.C

@@ -70,30 +70,24 @@ namespace OSC
     void
     Signal::rename ( const char *path )
     {
-        for ( std::list<Target*>::const_iterator i = _incoming.begin();
+        DMESSAGE( "Renaming signal %s to %s", this->path(), path );
-              i != _incoming.end();
-              ++i )
-        {
-            _endpoint->send( (*i)->peer->addr, 
-                             "/signal/renamed",
-                             (*i)->signal_id,
-                             path );
 
-        }
 
         free( _path );
         _path = strdup( path );
+
+        _endpoint->send_signal_rename_notifications( this );
     }
 
     bool
     Signal::is_connected_to ( const OSC::Signal *s ) const
     {
-        for ( std::list<Target*>::const_iterator i = _outgoing.begin();
+        for ( std::list<Signal*>::const_iterator i = _outgoing.begin();
               i != _outgoing.end();
               ++i )
         {
-            if ( (*i)->peer == s->_peer &&
+            if ( (*i)->_peer == s->_peer &&
-                 (*i)->signal_id == s->id() )
+                 (*i)->id() == s->id() )
                 return true;
         }
 
@@ -103,31 +97,47 @@ namespace OSC
     void
     Signal::value ( float f )
     {
-        for ( std::list<Target*>::const_iterator i = _outgoing.begin();
+        for ( std::list<Signal*>::const_iterator i = _outgoing.begin();
               i != _outgoing.end();
               ++i )
         {
-            if ( (*i)->value != f )
+            /* FIXME: won't work for loopback */
+            if ( (*i)->_value != f )
             {
-                (*i)->value = f;
+                (*i)->_value = f;
 
-                _endpoint->send( (*i)->peer->addr, 
+                _endpoint->send( (*i)->_peer->addr, 
                                  "/signal/change",
-                                 (*i)->signal_id,
+                                 id(),
+                                 (*i)->id(),
                                  f );
             }
         }
     }
 
-    void
+    char *
-    Signal::get_connected_peer_name_and_path ( char **peer_name, char **path )
+    Signal::get_output_connection_peer_name_and_path ( int n )
     {
-        Target *t = _outgoing.back();
+        Signal *t;
 
-        Signal *s = get_peer_signal_by_id( t->peer, t->signal_id );
+        int j = 0;
+        for ( std::list<Signal*>::const_iterator i = _outgoing.begin();
+              i != _outgoing.end();
+              ++i, ++j )
+        {
+            if ( j == n )
+            {
+                t = *i;
+                break;
+            }
+        }
 
-        *peer_name = strdup( t->peer->name );
+//        Signal *s = get_peer_signal_by_id( t->_peer, t->signal_id );
-        *path = strdup( s->path() );
+
+        char *r;
+        asprintf( &r, "%s:%s", t->_peer->name, t->path() );
+
+        return r;
     }
 
     void
@@ -154,13 +164,15 @@ namespace OSC
         }
 
 
-        add_method( "/signal/hello", "s", &Endpoint::osc_sig_hello, this, "" );
+        add_method( "/signal/hello", "ss", &Endpoint::osc_sig_hello, this, "" );
         add_method( "/signal/connect", "ii", &Endpoint::osc_sig_connect, this, "" );
         add_method( "/signal/disconnect", "ii", &Endpoint::osc_sig_disconnect, this, "" );
         add_method( "/signal/renamed", "is", &Endpoint::osc_sig_renamed, this, "" );
-        add_method( "/signal/change", "if", &Endpoint::osc_sig_handler, this, "" );
+        add_method( "/signal/removed", "i", &Endpoint::osc_sig_removed, this, "" );
-        add_method( NULL, "", &Endpoint::osc_generic, this, "" );
+        add_method( "/signal/created", "ssifff", &Endpoint::osc_sig_created, this, "" );
+        add_method( "/signal/change", "iif", &Endpoint::osc_sig_handler, this, "" );
         add_method( "/signal/list", NULL, &Endpoint::osc_signal_lister, this, "" );
+        add_method( NULL, "", &Endpoint::osc_generic, this, "" );
         add_method( "/reply", NULL, &Endpoint::osc_reply, this, "" );
 
         return 0;
@@ -173,15 +185,15 @@ namespace OSC
         lo_server_free( _server );
     }
 
-    OSC::Target *
+    OSC::Signal *
-    Endpoint::find_target_by_peer_address ( std::list<Target*> *l, lo_address addr )
+    Endpoint::find_target_by_peer_address ( std::list<Signal*> *l, lo_address addr )
     {
 
-        for ( std::list<Target*>::iterator i = l->begin();
+        for ( std::list<Signal*>::iterator i = l->begin();
               i != l->end();
               ++i )
         {
-            if ( address_matches( addr, (*i)->peer->addr ) )
+            if ( address_matches( addr, (*i)->_peer->addr ) )
             {
                 return *i;
             }
@@ -237,7 +249,9 @@ namespace OSC
     {
         lo_address addr = lo_address_new_from_url ( url );
 
-        send( addr, "/signal/hello", name() );
+        char *our_url = this->url();
+        send( addr, "/signal/hello", name(), our_url );
+        free( our_url );
         
         lo_address_free( addr );
     }
@@ -248,18 +262,15 @@ namespace OSC
         Endpoint *ep = (Endpoint*)user_data;
 
         const char *peer_name = &argv[0]->s;
+        const char *peer_url = &argv[1]->s;
         
         DMESSAGE( "Got hello from %s", peer_name );
 
         if ( ! ep->find_peer_by_name( peer_name ) )
         {
-            char *url = lo_address_get_url( lo_message_get_source( msg ));
+            ep->scan_peer( peer_name, peer_url );
 
-            ep->scan_peer( peer_name, url );
+            ep->hello( peer_url );
-            
-            ep->send( lo_message_get_source( msg ), "/signal/hello", ep->name() );
-
-            free(url);
         }
 
         return 0;
@@ -290,22 +301,14 @@ namespace OSC
 
         if ( s->_direction == Signal::Input )
         {
-            for ( std::list<Target*>::iterator i = s->_incoming.begin();
+            s->_incoming.remove( ps );
-                  i != s->_incoming.end();
+            
-                  ++i )
-            {
-                if ( (*i)->peer == p &&
-                     (*i)->signal_id == ps->id() )
-                {
             DMESSAGE( "Peer %s has disconnected from signal %s", p->name, ps->path() );
  
-                    delete *i;
+            s->signal_connection_state_changed( s );
-                    i = s->_incoming.erase( i );
 
             return 0;
         }
-            }
-        }
 
         return 0;
     }
@@ -347,24 +350,109 @@ namespace OSC
 
         DMESSAGE( "Peer %s has connected to signal %s", p->name, s->path() );
 
-        if ( s->_direction == Signal::Input )
+        /* if ( s->_direction == Signal::Input ) */
-        {
+        /* { */
-            Target *t = new Target;            
+        s->_incoming.push_back( ps );
 
-            t->peer = p;
+        /* make a record of it ourselves */
-            t->signal_id = ps->id();
+        ps->_outgoing.push_back( s );
 
-            s->_incoming.push_back( t );
+        s->signal_connection_state_changed( s );
+
+        /*     return 0; */
+        /* } */
 
         return 0;
     }
 
+    int
+    Endpoint::osc_sig_removed ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data )
+    {
+        int id = argv[0]->i;
+        
+        Endpoint *ep = (Endpoint*)user_data;
+        
+        Peer *p = ep->find_peer_by_address( lo_message_get_source( msg ) );
+        
+        if ( ! p )
+        {
+            WARNING( "Got signal remove notification from unknown peer." );
+            return 0;
+        }
+
+        Signal *o = ep->find_peer_signal_by_id( p, id );
+
+        if ( ! o )
+        {
+            WARNING( "Unknown signal id %i", id );
+            return 0;
+        }
+
+        DMESSAGE( "Signal %s:%s was removed", o->_peer->name, o->path() );
+
+        /* disconnect it */
+        for ( std::list<Signal*>::iterator i = o->_outgoing.begin();
+              i != o->_outgoing.end();
+              ++i )
+        {
+            ep->disconnect_signal( o, *i );
+        }
+
+        for ( std::list<Signal*>::iterator i = o->_incoming.begin();
+              i != o->_incoming.end();
+              ++i )
+        {
+            ep->disconnect_signal( *i, o );
+        }
+
+        p->_signals.remove( o );
+
+        delete o;
+
+        return 0;
+    }
+
+    int
+    Endpoint::osc_sig_created ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data )
+    {
+        Endpoint *ep = (Endpoint*)user_data;
+
+        if ( ! argc )
+            return -1;
+
+        Peer *p = ep->find_peer_by_address( lo_message_get_source( msg ) );
+
+        if ( ! p )
+        {
+            WARNING( "Got signal creation from unknown peer." );
+            return 0;
+        }
+        
+        DMESSAGE( "Peer %s has created signal %s", p->name, &argv[0]->s );
+        
+        int dir = 0;
+        
+        if ( !strcmp( &argv[1]->s, "in" ) )
+            dir = Signal::Input;
+        else if ( !strcmp( &argv[1]->s, "out" ) )
+            dir = Signal::Output;
+        
+        Signal *s = new Signal( &argv[0]->s, (Signal::Direction)dir );
+        
+        s->_peer = p;
+        s->_id = argv[2]->i;
+        s->parameter_limits( argv[3]->f, argv[4]->f, argv[5]->f );
+        
+        p->_signals.push_back( s );
+        
         return 0;
     }
 
     int
     Endpoint::osc_sig_renamed ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data )
     {
+        DMESSAGE( "Got renamed message." );
+
         int id = argv[0]->i;
         char *new_name = &argv[1]->s;
 
@@ -386,7 +474,7 @@ namespace OSC
             return 0;
         }
 
-        DMESSAGE( "Signal %s was renamed to %s" );
+        DMESSAGE( "Signal %s:%s was renamed to %s", o->_peer->name, o->_path, path );
         
         free( o->_path );
         o->_path = strdup( new_name );
@@ -399,13 +487,18 @@ namespace OSC
     {
         Signal *o;
         float f = 0.0;
+        Endpoint *ep = NULL;
 
-        if ( !strcmp( path, "/signal/change" ) && !strcmp( types, "if" ) )
+
+        if ( !strcmp( path, "/signal/change" ) && !strcmp( types, "iif" ) )
         {
             /* accept a value for numbered signal */
-            int id = argv[0]->i;
+            int id = argv[1]->i;
-            f = argv[1]->f;
+            f = argv[2]->f;
-            o = ((Endpoint*)user_data)->find_signal_by_id( id );
+            ep = (Endpoint*)user_data;
+
+            o = ep->find_signal_by_id( id );
+
             if ( ! o )
             {
                 WARNING( "Unknown signal id %i", id );
@@ -429,26 +522,44 @@ namespace OSC
             return -1;
         }
 
-        Target *t = NULL;
+        Peer *p = NULL;
 
-        if ( 0 == o->_incoming.size() || 
+        if ( ep )
-             ! ( t = find_target_by_peer_address( &o->_incoming, lo_message_get_source( msg ) ) ) )
+            p = ep->find_peer_by_address( lo_message_get_source( msg ) );
+
+        if ( 0 == o->_incoming.size() )
+            return 0;
+
+        if ( !p )
         {
+            DMESSAGE( "Signal change initiated by an unknown peer" );
             /* message came from an unconnected peer, just set the value exactly */
         }
         else
         {
             /* message is from a connected source, do mixing. */
 
-            t->value = f;
+            /* remote signal */
+            /* if ( t->_peer ) */
 
-            f = 0.0;
+            for ( std::list<Signal*>::const_iterator i = o->_incoming.begin();
-
-            for ( std::list<Target*>::const_iterator i = o->_incoming.begin();
                   i != o->_incoming.end();
                   ++i )
             {
-                f += (*i)->value;
+                if ( (*i)->id() == argv[0]->i )
+                {
+                    (*i)->_value = f;
+                    break;
+                }
+            }
+
+            f = 0.0;
+
+            for ( std::list<Signal*>::const_iterator i = o->_incoming.begin();
+                  i != o->_incoming.end();
+                  ++i )
+            {
+                f += (*i)->_value;
             }
         }
 
@@ -598,6 +709,24 @@ namespace OSC
         return NULL;
     }
 
+    bool
+    Endpoint::disconnect_signal ( OSC::Signal *s, OSC::Signal *d )
+    {
+        if ( ! s->is_connected_to( d ) )
+            return false;
+
+        MESSAGE( "Disconnecting signal output \"%s\" to %s:%i", s->path(), d->_peer->name, d->_id );
+        
+        send( d->_peer->addr, "/signal/disconnect", 
+              s->_id, /* our signal id */
+              d->_id  /* their signal id */ );
+        
+        s->_outgoing.remove( d );
+        s->_incoming.remove( d );
+
+        return true;
+    }
+
     bool
     Endpoint::disconnect_signal ( OSC::Signal *s, const char *peer_name, const char *signal_path )
     {
@@ -613,32 +742,52 @@ namespace OSC
             if ( ! ps )
                 return false;
 
-            MESSAGE( "Disconnecting signal output \"%s\" to %s:%i", s->path(), peer_name, ps->_id );
+            if ( ! s->is_connected_to( ps ) )
-
+                return false;
-            for ( std::list<Target*>::iterator i = s->_outgoing.begin();
-                  i != s->_outgoing.end();
-                  ++i )
-            {
-                if ( (*i)->peer == p &&
-                     (*i)->signal_id == ps->id() )
-                {
-                    send( p->addr, "/signal/disconnect", 
-                          s->_id, /* our signal id */
-                          (*i)->signal_id /* their signal id */ );
-
-                    delete *i;
-                    i = s->_outgoing.erase( i );
-
-                    DMESSAGE( "Number of outgoing connections: %i", s->_outgoing.size() );
-                    return true;
-                }
-            }
 
+            return disconnect_signal( s, ps );     
         }
 
         return false;
     }
 
+    bool
+    Endpoint::connect_signal( OSC::Signal *s, const char *peer_and_path )
+    {
+        char peer[512];
+        char path[1024];
+
+        /* FIXME: use %a */
+        if ( 2 == sscanf( peer_and_path, "%[^:]:%s", peer, path ) )
+        {
+            return connect_signal( s, peer, path );
+        }
+        else
+            return false;
+    }
+
+    bool
+    Endpoint::connect_signal ( OSC::Signal *s, OSC::Signal *d )
+    {
+        if ( s->is_connected_to( d ) )
+        {
+            return false;
+        }
+        
+        MESSAGE( "Connecting signal output \"%s\" to %s:%s", s->path(), d->_peer->name, d->path() );
+        
+        s->_outgoing.push_back( d );
+
+        /* make a record of it ourselves */
+        d->_incoming.push_back( s );
+        
+        send( d->_peer->addr, "/signal/connect", 
+              s->_id, /* our signal id */
+              d->_id /* their signal id */ );
+        
+        return true;
+    }
+
   
     bool
     Endpoint::connect_signal( OSC::Signal *s, const char *peer_name, const char *signal_path )
@@ -655,25 +804,7 @@ namespace OSC
             if ( ! ps )
                 return false;
 
-            if ( s->is_connected_to( ps ) )
+            return connect_signal( s, ps );
-            {
-                return false;
-            }
-
-            MESSAGE( "Connecting signal output \"%s\" to %s:%i", s->path(), peer_name, ps->_id );
-
-            Target *t = new Target();
-
-            t->peer = p;
-            t->signal_id = ps->_id;
-                
-            s->_outgoing.push_back( t );
-                
-            send( p->addr, "/signal/connect", 
-                  s->_id, /* our signal id */
-                  t->signal_id /* their signal id */ );
-                
-            return true;
         }
 
         return false;
@@ -689,23 +820,12 @@ namespace OSC
             if ( !p )
                 return false;
 
-            MESSAGE( "Connecting signal output \"%s\" to %s:%i", s->path(), peer_name, signal_id );
+            Signal *ps = find_peer_signal_by_id( p, signal_id );
 
-            if ( p )
+            if ( !ps )
-            {
+                return false;
-                Target *t = new Target();
 
-                t->peer = p;
+            return connect_signal( s, ps );
-                t->signal_id = signal_id;
-                
-                s->_outgoing.push_back( t );
-                
-                send( p->addr, "/signal/connect", 
-                      s->_id, /* our signal id */
-                      t->signal_id /* their signal id */ );
-                
-                return true;
-            }
         }            
     
         return false;
@@ -745,10 +865,12 @@ namespace OSC
             {
                 p->_scanning = false;
                 DMESSAGE( "Done scanning %s", p->name );
+
+                ep->signal_peer_scan_complete();
             }
-            else if ( p->_scanning )
+            else if ( argc == 7 && p->_scanning )
             {
-                DMESSAGE( "Peer %s has signal %s", p->name, &argv[1]->s );
+                DMESSAGE( "Peer %s has signal %s (%s)", p->name, &argv[1]->s, &argv[2]->s );
 
                 int dir = 0;
 
@@ -761,9 +883,7 @@ namespace OSC
                 
                 s->_peer = p;
                 s->_id = argv[3]->i;
-                s->parameter_limits().min = argv[4]->f;
+                s->parameter_limits( argv[4]->f, argv[5]->f, argv[6]->f );
-                s->parameter_limits().max = argv[5]->f;
-                s->parameter_limits().default_value = argv[6]->f;
 
                 p->_signals.push_back( s );
             }
@@ -790,9 +910,6 @@ namespace OSC
         if ( argument_description )
             md->_documentation = strdup( argument_description );
         
-        if ( typespec )
-            md->_parameter_limits = new Parameter_Limits[strlen(typespec)];
-            
         _methods.push_back( md );
 
         return md;
@@ -801,23 +918,39 @@ namespace OSC
     Signal *
     Endpoint::add_signal ( const char *path, Signal::Direction dir, signal_handler handler, void *user_data )
     {
-        Signal *md = new Signal( path, dir );
+        Signal *o = new Signal( path, dir );
         
         if ( path )
-            md->_path = strdup( path );
+            o->_path = strdup( path );
         
-        md->_handler = handler;
+        o->_handler = handler;
-        md->_user_data = user_data;
+        o->_user_data = user_data;
-        md->_endpoint = this;
+        o->_endpoint = this;
         
-        _signals.push_back( md );
+        _signals.push_back( o );
         
         if ( dir == Signal::Input )
         {
-            lo_server_add_method( _server, path, NULL, osc_sig_handler, md );
+            lo_server_add_method( _server, path, NULL, osc_sig_handler, o );
         }
 
-        return md;
+        /* tell our peers about it */
+        for ( std::list<Peer*>::iterator i = _peers.begin();
+              i != _peers.end();
+              ++i )
+        {
+            send( (*i)->addr,
+                  "/signal/created", 
+                  o->path(),
+                  o->_direction == Signal::Input ? "in" : "out",
+                  o->id(),
+                  o->parameter_limits().min,
+                  o->parameter_limits().max,
+                  o->parameter_limits().default_value
+                );
+        }
+
+        return o;
     }
 
     void
@@ -855,6 +988,21 @@ namespace OSC
         _methods.remove( meth );
     }
 
+    void
+    Endpoint::send_signal_rename_notifications ( Signal *s )
+    {
+    
+        for ( std::list<Peer*>::const_iterator i = _peers.begin();
+              i != _peers.end();
+              ++i )
+        {
+            send( (*i)->addr, 
+                  "/signal/renamed",
+                  s->id(),
+                  s->path() );
+        }
+    }
+
     void
     Endpoint::del_signal ( Signal *o )
     {
@@ -862,6 +1010,17 @@ namespace OSC
 
         lo_server_del_method( _server, o->path(), "f" );
 
+        /* tell our peers about it */
+        for ( std::list<Peer*>::iterator i = _peers.begin();
+              i != _peers.end();
+              ++i )
+        {
+            send( (*i)->addr,
+                  "/signal/removed", 
+                  o->id() );
+        }
+
+        /* FIXME: clear loopback connections first! */
 //        delete o;
 
         _signals.remove( o );
@@ -1127,7 +1286,7 @@ namespace OSC
     int
     Endpoint::send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3, int v4, float v5, float v6, float v7 )
     {
-        return lo_send_from( to, _server, LO_TT_IMMEDIATE, path, "sssifff", v1, v2, v3, v4, v5, v6, 7 );
+        return lo_send_from( to, _server, LO_TT_IMMEDIATE, path, "sssifff", v1, v2, v3, v4, v5, v6, v7 );
     }
     
     int
@@ -1147,4 +1306,16 @@ namespace OSC
     {
         return lo_send_from( to, _server, LO_TT_IMMEDIATE, path, "if", v1, v2 );
     }
+
+    int
+    Endpoint::send ( lo_address to, const char *path, const char *v1, int v2, int v3, float v4 )
+    {
+        return lo_send_from( to, _server, LO_TT_IMMEDIATE, path, "siif", v1, v2, v3, v4 );
+    }
+
+    int
+    Endpoint::send ( lo_address to, const char *path, int v1, int v2, float v3 )
+    {
+        return lo_send_from( to, _server, LO_TT_IMMEDIATE, path, "iif", v1, v2, v3 );
+    }
 }

nonlib/OSC/Endpoint.H

@@ -25,6 +25,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <sigc++/sigc++.h>
+
 namespace OSC
 {
     class OSC_Value
@@ -125,13 +127,6 @@ namespace OSC
         std::list<Signal*> _signals;
     };
 
-    struct Target
-    {
-        Peer *peer;
-        int signal_id;
-        float value;
-    };
-
     typedef int (*signal_handler) ( float value, void *user_data );
 
     class Signal
@@ -159,24 +154,17 @@ namespace OSC
         
         float _value;
 
-        std::list<Target*> _outgoing;
+        std::list<Signal*> _outgoing;
+        std::list<Signal*> _incoming;
 
         Direction _direction;
 
-        /* FIXME:
-           In order to support signal mixing, the receiver must track
-           each connected signal channel separately, and add the
-           values together before invoking the handler. 
-         */
-        std::list<Target*> _incoming;
-
         signal_handler _handler;
         void *_user_data;
+        Parameter_Limits _parameter_limits;
         
     public:
 
-        Parameter_Limits _parameter_limits;
-
         Signal ( const char *path, Direction dir )
             { 
                 _direction = dir;
@@ -187,11 +175,16 @@ namespace OSC
                 _peer = NULL;
             }
 
+        sigc::signal <void,Signal*> signal_connection_state_changed;
+
         ~Signal ( );
 
         static Signal *get_peer_signal_by_id ( Peer *p, int signal_id );
+        int noutput_connections() { return _outgoing.size(); }
         bool connected ( void ) { return _outgoing.size() + _incoming.size(); }
-        void get_connected_peer_name_and_path ( char **peer_name, char **path );
+       
+        char * get_output_connection_peer_name_and_path ( int n );
+     
 
         int id ( void ) const { return _id; }
 
@@ -205,7 +198,7 @@ namespace OSC
                 _value = default_value;
             }
 
-        Parameter_Limits& parameter_limits ( void ) { return _parameter_limits; }
+        const Parameter_Limits& parameter_limits ( void ) const { return _parameter_limits; }
 
         const char *path ( void ) const { return _path; }
 
@@ -226,7 +219,6 @@ namespace OSC
         char *_path;
         char *_typespec;
         char *_documentation;
-        struct Parameter_Limits *_parameter_limits;
 
     public:
 
@@ -251,6 +243,8 @@ namespace OSC
         static int osc_generic ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
         static int osc_sig_handler ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
         static int osc_sig_renamed ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
+        static int osc_sig_removed ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
+        static int osc_sig_created ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
         static int osc_sig_disconnect ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
         static int osc_sig_connect ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
         static int osc_sig_hello ( const char *path, const char *types, lo_arg **argv, int argc, lo_message msg, void *user_data );
@@ -277,10 +271,13 @@ namespace OSC
         Peer *find_peer_by_address ( lo_address addr );
         static bool address_matches ( lo_address addr1, lo_address addr2 );
 
-        static Target *find_target_by_peer_address ( std::list<Target*> *l, lo_address addr );
+        static Signal *find_target_by_peer_address ( std::list<Signal*> *l, lo_address addr );
 
         char *_name;
 
+        void del_signal ( Signal *signal );
+        void send_signal_rename_notifications( Signal *s );
+
     public:
 
         void list_peers ( void (*callback) (const char *, const OSC::Signal *, void * ), void *v );
@@ -291,16 +288,20 @@ namespace OSC
         ~Endpoint ( );
 
 
+
+    
+        bool disconnect_signal ( OSC::Signal *s, OSC::Signal *d );
         bool disconnect_signal ( OSC::Signal *s, const char *peer_name, const char *signal_path );        
+        bool connect_signal ( OSC::Signal *s, OSC::Signal *d );
         bool connect_signal ( OSC::Signal *s, const char *peer_name, const char *signal_path );        
         bool connect_signal ( OSC::Signal *s, const char *peer_name, int signal_id );
+        bool connect_signal ( OSC::Signal *s, const char *peer_and_path );
 
 
         Signal *add_signal ( const char *path, Signal::Direction dir, signal_handler handler, void *user_data );
         Method *add_method ( const char *path, const char *typespec, lo_method_handler handler, void *user_data, const char *argument_description );
         void del_method ( const char *path, const char *typespec );
         void del_method ( Method* method );
-        void del_signal ( Signal *signal );
         void start ( void );
         void stop ( void );
         int port ( void ) const;
@@ -325,6 +326,7 @@ namespace OSC
         int send ( lo_address to, const char *path, long v );
         int send ( lo_address to, const char *path, int v1, int v2 );
         int send ( lo_address to, const char *path, int v1, float v2 );
+        int send ( lo_address to, const char *path, int v1, int v2, float v3 );
         int send ( lo_address to, const char *path, const char *v );
         int send ( lo_address to, const char *path, const char *v1, float v2 );
         int send ( lo_address to, const char *path, const char *v1, int v2, int v3 );
@@ -335,6 +337,7 @@ namespace OSC
         
         int send ( lo_address to, const char *path, const char *v1, int v2 );
         int send ( lo_address to, const char *path, int v1, const char *v2 );
+        int send ( lo_address to, const char *path, const char *v1, int v2, int v3, float v4 );
 
         int send ( lo_address to, const char *path, const char *v1, const char *v2, const char *v3, int v4, int v5, int v6 );
         int send ( lo_address to, const char *path, const char *v1, int v2, const char *v3 );
@@ -351,6 +354,11 @@ namespace OSC
 
         // can be used to point back to owning object.
         void *owner;
+
+        sigc::signal <void> signal_peer_scan_complete;
+
+        friend Signal::~Signal();
+        friend void Signal::rename ( const char *name );
     };
 
 };

timeline/src/Control_Sequence.C

@@ -32,6 +32,8 @@ using std::list;
 
 #include "Transport.H"
 
+#include "OSC/Endpoint.H"
+
 
 
 bool Control_Sequence::draw_with_gradient = true;
@@ -44,27 +46,14 @@ Control_Sequence::Control_Sequence ( Track *track ) : Sequence( 0 )
 {
     init();
 
-    _osc_connected_peer = _osc_connected_path = 0;
-
     _track = track;
 
-    _output = new JACK::Port( engine, JACK::Port::Output, track->name(), track->ncontrols(), "cv" );
-
-    if ( ! _output->activate() )
-    {
-        FATAL( "could not create JACK port" );
-    }
-
-    /* { */
-    /*     char *path; */
-    /*     asprintf( &path, "/non/daw/%s/control/%i", track->name(), track->ncontrols() ); */
-        
-    /*     _osc_output = timeline->osc->add_signal( path, OSC::Signal::Output, NULL, NULL ); */
-        
-    /*     free( path ); */
-    /* } */
-
     _osc_output = 0;
+    _output = 0;
+
+    _mode = CV;
+
+    mode( OSC );
     
     if ( track )
         track->add( this );
@@ -90,25 +79,30 @@ Control_Sequence::~Control_Sequence ( )
 
     engine->unlock();
 
+    if ( _output )
+    { 
         _output->shutdown();
 
         delete _output;
         
         _output = NULL;
+    }
 
+    if ( _osc_output )
+    {
         delete _osc_output;
         
         _osc_output = NULL;
+    }
 
-    if ( _osc_connected_peer )
+    for ( list<char*>::iterator i = _persistent_osc_connections.begin();
-        free( _osc_connected_peer );
+          i != _persistent_osc_connections.end();
+          ++i )
+    {
+        free( *i );
+    }
     
-    _osc_connected_peer = NULL;
+    _persistent_osc_connections.clear();
-
-    if ( _osc_connected_path )
-        free( _osc_connected_path );
-
-    _osc_connected_path = NULL;
 
     Loggable::block_end();
 }
@@ -123,7 +117,6 @@ Control_Sequence::init ( void )
     color( fl_darker( FL_YELLOW ) );
 
     interpolation( Linear );
-    frequency( 10 );
 }
 
 
@@ -139,21 +132,24 @@ void
 Control_Sequence::get_unjournaled ( Log_Entry &e ) const
 {
     e.add( ":interpolation", _interpolation );
-    if ( _osc_output->connected() )
+
+    if ( _osc_output && _osc_output->connected() )
     {
-        char *path;
+        DMESSAGE( "OSC Output connections: %i", _osc_output->noutput_connections() );
-        char *peer;
 
-        _osc_output->get_connected_peer_name_and_path( &peer, &path );
+        for ( int i = 0; i < _osc_output->noutput_connections(); ++i )
+        {
+            char *s;
 
-        e.add( ":osc-peer", peer );
+            s = _osc_output->get_output_connection_peer_name_and_path(i);
 
-        e.add( ":osc-path", path );
+            e.add( ":osc-output", s );
         
-        free( path );
+            free( s );
-        free( peer );
         }
-    /* e.add( ":frequency", frequency() ); */
+    }
+
+    e.add( ":mode", mode() );
 }
 
 void
@@ -188,19 +184,65 @@ Control_Sequence::set ( Log_Entry &e )
         }
         else if ( ! strcmp( ":interpolation", s ) )
         {
-            interpolation( (curve_type_e)atoi( v ) );
+            interpolation( (Curve_Type)atoi( v ) );
         }
-        /* else if ( ! strcmp( ":frequency", s ) ) */
+        else if ( ! strcmp( ":mode", s ) )
-        /*     frequency( atoi( v ) ); */
+            mode( (Mode)atoi( v ) );
-        else if ( ! strcmp( ":osc-peer", s ) )
+        else if ( ! strcmp( ":osc-output", s ) )
         {
-            _osc_connected_peer = strdup( v );
+            _persistent_osc_connections.push_back( strdup( v ) );
         }
-        else if ( !strcmp( ":osc-path", s ) )
+    }
+}
+
+void
+Control_Sequence::mode ( Mode m )
 {
-            _osc_connected_path = strdup( v );
+    if ( CV != m && mode() == CV )
+    {
+        if ( _output )
+        {
+            _output->shutdown();
+            
+            delete _output;
+            
+            _output = NULL;
         }
     }
+    else if ( OSC != m && mode() == OSC )
+    {
+        if ( _osc_output )
+        {
+            delete _osc_output;
+            
+            _osc_output = NULL;
+        }
+    }
+
+    if ( CV == m && mode() != CV )
+    {
+        _output = new JACK::Port( engine, JACK::Port::Output, track()->name(), track()->ncontrols(), "cv" );
+        
+        if ( ! _output->activate() )
+        {
+            fl_alert( "Could not create JACK port for control output on %s", track()->name() );
+            delete _output;
+            _output = NULL;
+        }
+    }
+    else if ( OSC == m && mode() != OSC )
+    {
+        char *path;
+        asprintf( &path, "/track/%s/control/%i", track()->name(), track()->ncontrols() );
+        
+        _osc_output = timeline->osc->add_signal( path, OSC::Signal::Output, NULL, NULL );
+        
+        free( path );
+
+        connect_osc();
+    }
+
+    _mode = m;
 }
 
 void
@@ -379,21 +421,34 @@ Control_Sequence::menu_cb ( const Fl_Menu_ *m )
     
         *index( peer_name, '/' ) = 0;
 
-        _osc_connected_peer = strdup( peer_name );
+        const char *path = ((OSC::Signal*)m->mvalue()->user_data())->path();
 
-        _osc_connected_path = strdup( ((OSC::Signal*)m->mvalue()->user_data())->path() );
+        char *peer_and_path;
+        asprintf( &peer_and_path, "%s:%s", peer_name, path );
 
         if ( ! _osc_output->is_connected_to( ((OSC::Signal*)m->mvalue()->user_data()) ) )
         {
+            _persistent_osc_connections.push_back( peer_and_path );
+            
             connect_osc();
         }
         else
         {
-            timeline->osc->disconnect_signal( _osc_output, _osc_connected_peer, _osc_connected_path );
+            timeline->osc->disconnect_signal( _osc_output, peer_name, path );
             
-            free( _osc_connected_path );
+            for ( std::list<char*>::iterator i = _persistent_osc_connections.begin();
-            free( _osc_connected_peer );
+                  i != _persistent_osc_connections.end();
-            _osc_connected_peer = _osc_connected_path = NULL;
+                  ++i )
+            {
+                if ( !strcmp( *i, peer_and_path ) )
+                {
+                    free( *i );
+                    i = _persistent_osc_connections.erase( i );
+                    break;
+                }
+            }
+            
+            free( peer_and_path );
         }
         
     }
@@ -401,18 +456,10 @@ Control_Sequence::menu_cb ( const Fl_Menu_ *m )
         interpolation( Linear );
     else if ( ! strcmp( picked, "Interpolation/None" ) )
         interpolation( None );
-    /* else if ( ! strcmp( picked, "Frequency/1Hz" ) ) */
+    else if ( ! strcmp( picked, "Mode/Control Signal (OSC)" ))
-    /*     frequency( 1 ); */
+        mode( OSC );
-    /* else if ( ! strcmp( picked, "Frequency/5Hz" ) ) */
+    else if ( ! strcmp( picked, "Mode/Control Voltage (JACK)" ) )
-    /*     frequency( 5 ); */
+        mode( CV );
-    /* else if ( ! strcmp( picked, "Frequency/10Hz" ) ) */
-    /*     frequency( 10 ); */
-    /* else if ( ! strcmp( picked, "Frequency/20Hz" ) ) */
-    /*     frequency( 20 ); */
-    /* else if ( ! strcmp( picked, "Frequency/30Hz" ) ) */
-    /*     frequency( 30 ); */
-    /* else if ( ! strcmp( picked, "Frequency/60Hz" ) ) */
-    /*     frequency( 60 ); */
 
     else if ( ! strcmp( picked, "/Rename" ) )
     {
@@ -431,31 +478,23 @@ Control_Sequence::menu_cb ( const Fl_Menu_ *m )
 
 void
 Control_Sequence::connect_osc ( void )
-
 {
-    if ( ! _osc_output )
+    if ( _persistent_osc_connections.size() )
     {
-        char *path;
+        for ( std::list<char*>::iterator i = _persistent_osc_connections.begin();
-        asprintf( &path, "/non/daw/%s/control/%i", track()->name(), track()->ncontrols() );
+              i != _persistent_osc_connections.end();
-        
+              ++i )
-        _osc_output = timeline->osc->add_signal( path, OSC::Signal::Output, NULL, NULL );
-        
-        free( path );
-    }
-
-    if ( _osc_connected_peer && _osc_connected_path )
         {
-        if ( ! timeline->osc->connect_signal( _osc_output, _osc_connected_peer, _osc_connected_path ) )
+            if ( ! timeline->osc->connect_signal( _osc_output, *i ) )
             {
-            //  MESSAGE( "Failed to connect output %s to %s:%s", _osc_output->path(), _osc_connected_peer, _osc_connected_path );
+//                MESSAGE( "Failed to connect output %s to ", _osc_output->path(), *i );
             }
             else
             {
-            tooltip( _osc_connected_path );
+                MESSAGE( "Connected output %s to %s", _osc_output->path(), *i );
 
-//            _osc_connected_peer = _osc_connected_path = 
+//                tooltip( _osc_connected_path );
-
+            }
-            MESSAGE( "Connected output %s to %s:%s", _osc_output->path(), _osc_connected_peer, _osc_connected_path );
         }
     }
 }
@@ -492,6 +531,11 @@ Control_Sequence::peer_callback( const char *name, const OSC::Signal *sig )
 {
     char *s;
 
+    /* only list CV signals for now */
+    if ( ! ( sig->parameter_limits().min == 0.0 &&
+             sig->parameter_limits().max == 1.0 ) )
+        return;         
+    
     asprintf( &s, "%s/%s%s", peer_prefix, name, sig->path() );
 
     peer_menu->add( s, 0, NULL, (void*)( sig ),
@@ -549,32 +593,20 @@ Control_Sequence::handle ( int m )
             }
             else if ( Fl::event_button3() && ! ( Fl::event_state() & ( FL_ALT | FL_SHIFT | FL_CTRL ) ) )
             {
-                timeline->discover_peers();
-
-                timeline->osc->wait( 500 );
 
                 Fl_Menu_Button menu( 0, 0, 0, 0, "Control Sequence" );
 
-                /* Fl_Menu_Button *con = new Fl_Menu_Button( 0, 0, 0, 0 ); */
-
-//                con->callback( &Control_Sequence::menu_cb, (void*)this );
-
                 menu.clear();
 
+                if ( mode() == OSC )
+                {
                     add_osc_peers_to_menu( &menu, "Connect To" );
+                }
                 
-                /* menu.add( "Connect To", 0, 0, 0); */
-                /* menu.add( "Connect To", 0, 0, const_cast< Fl_Menu_Item *>( con->menu() ), FL_SUBMENU_POINTER ); */
                 menu.add( "Interpolation/None", 0, 0, 0, FL_MENU_RADIO | ( interpolation() == None ? FL_MENU_VALUE : 0 ) );
                 menu.add( "Interpolation/Linear", 0, 0, 0, FL_MENU_RADIO | ( interpolation() == Linear ? FL_MENU_VALUE : 0 ) );
-
+                menu.add( "Mode/Control Voltage (JACK)", 0, 0, 0 ,FL_MENU_RADIO | ( mode() == CV ? FL_MENU_VALUE : 0 ) );
-                /* menu.add( "Frequency/1Hz", 0, 0, 0, FL_MENU_RADIO | ( frequency() == 1 ? FL_MENU_VALUE : 0 ) ); */
+                menu.add( "Mode/Control Signal (OSC)", 0, 0, 0 , FL_MENU_RADIO | ( mode() == OSC ? FL_MENU_VALUE : 0 ) );
-                /* menu.add( "Frequency/5Hz", 0, 0, 0, FL_MENU_RADIO | ( frequency() == 5 ? FL_MENU_VALUE : 0 ) ); */
-                /* menu.add( "Frequency/10Hz", 0, 0, 0, FL_MENU_RADIO | ( frequency() == 10 ? FL_MENU_VALUE : 0 ) ); */
-                /* menu.add( "Frequency/20Hz", 0, 0, 0, FL_MENU_RADIO | ( frequency() == 20 ? FL_MENU_VALUE : 0 ) ); */
-                /* menu.add( "Frequency/30Hz", 0, 0, 0, FL_MENU_RADIO | ( frequency() == 30 ? FL_MENU_VALUE : 0 ) ); */
-                /* menu.add( "Frequency/60Hz", 0, 0, 0, FL_MENU_RADIO | ( frequency() == 60 ? FL_MENU_VALUE : 0 ) ); */
-
 
                 menu.add( "Rename", 0, 0, 0 );
                 menu.add( "Remove", 0, 0, 0 );

timeline/src/Control_Sequence.H

@@ -36,7 +36,14 @@ class Control_Sequence : public Sequence
 
 public:
 
-    enum curve_type_e { None, Linear, Quadratic };
+    enum Curve_Type { None, Linear, Quadratic };
+
+    enum Mode { 
+        CV,
+        OSC,
+        MIDI
+    };
+
 
 private:
 
@@ -44,8 +51,7 @@ private:
 
     /* these are used to cache the saved osc connection until the
      * session is loaded, at which time we will reconnect */
-    char *_osc_connected_peer;
+    std::list<char*> _persistent_osc_connections;
-    char *_osc_connected_path;
     /* osc output port */
     OSC::Signal *_osc_output;
 
@@ -55,9 +61,7 @@ private:
 
     bool _highlighted;
 
-    curve_type_e _interpolation;
+    Curve_Type _interpolation;
-    int _frequency;
-    float _interval;
 
     void init ( void );
 
@@ -66,6 +70,7 @@ private:
     static void menu_cb ( Fl_Widget *w, void *v );
     void menu_cb ( const Fl_Menu_ *m );
 
+    Mode _mode;
     
     float _rate; 
 
@@ -87,6 +92,7 @@ protected:
 
 public:
 
+
     static void process_osc ( void *v );
     void process_osc ( void );
 
@@ -103,10 +109,11 @@ public:
 
     Fl_Cursor cursor ( void ) const { return FL_CURSOR_CROSS; }
 
-    curve_type_e interpolation ( void ) const { return _interpolation; }
+    Curve_Type interpolation ( void ) const { return _interpolation; }
-    void interpolation ( curve_type_e v ) { _interpolation = v; }
+    void interpolation ( Curve_Type v ) { _interpolation = v; }
-    int frequency ( void ) const { return _frequency; }
+
-    void frequency ( int v ) { _frequency = v; _interval = ( 1.0f / (float)v ) / 2; }
+    Mode mode ( void ) const { return _mode; }
+    void mode ( Mode v );
 
     /* Engine */
     void output ( JACK::Port *p ) { _output = p; }

timeline/src/Engine/Control_Sequence.C

@@ -98,6 +98,9 @@ Control_Sequence::process ( nframes_t nframes )
 {
     THREAD_ASSERT( RT );
     
+    if ( ! _output )
+        return nframes;
+    
     if ( _output->connected() ) /* don't waste CPU on disconnected ports */
     {
         void *buf = _output->buffer( nframes );

timeline/src/NSM.C

@@ -23,6 +23,7 @@
 #include "TLE.H"
 #include "NSM.H"
 #include "Project.H"
+#include "OSC/Endpoint.H"
 
 #define OSC_INTERVAL 0.2f
 
@@ -60,28 +61,32 @@ NSM_Client::command_open ( const char *name, const char *display_name, const cha
 
     timeline->osc->name( client_id );
 
+    int r = 0;
+
     if ( Project::validate( name ) )
     {
         if ( timeline->command_load( name, display_name ) )
-            return ERR_OK;
+            r = ERR_OK;
         else
         {
             *out_msg = strdup( "Failed to load for unknown reason" );
-            return ERR_GENERAL;
+            r = ERR_GENERAL;
         }
     }
     else
     {
         if ( timeline->command_new( name, display_name ) )
-            return ERR_OK;
+            r =ERR_OK;
         else
         {
             *out_msg = strdup( "Failed to load for unknown reason" );
-            return ERR_GENERAL;
+            r = ERR_GENERAL;
         }
     }
 
-    return 0;
+    timeline->discover_peers();
+
+    return r;
 }
 
 void

timeline/src/Timeline.C

@@ -52,6 +52,7 @@
 /*  */
 
 #include "OSC_Thread.H"
+#include "OSC/Endpoint.H"
 
 #include "NSM.H"
 extern NSM_Client *nsm;
@@ -1528,8 +1529,6 @@ Timeline::command_load ( const char *name, const char *display_name )
 
   Project::set_name ( display_name ? display_name : name );
 
-  // discover_peers();
-
    return true;
 }
 
@@ -1553,8 +1552,6 @@ Timeline::command_new ( const char *name, const char *display_name )
 
     /* tle->main_window->redraw(); */
     
-    // discover_peers();
-
    return b;
 }
 
@@ -1597,6 +1594,8 @@ Timeline::init_osc ( const char *osc_port )
     /* poll so we can keep OSC handlers running in the GUI thread and avoid extra sync */
     Fl::add_timeout( OSC_INTERVAL, &Timeline::check_osc, this );
 
+    osc->signal_peer_scan_complete.connect( sigc::mem_fun( this, &Timeline::connect_osc ) );
+
     if ( ! osc_thread )
     {
         osc_thread = new OSC_Thread();
@@ -1619,11 +1618,8 @@ Timeline::osc_non_hello ( const char *path, const char *types, lo_arg **argv, in
         const char *version = &argv[2]->s;
         const char *id = &argv[3]->s;
 
-        MESSAGE( "Discovered OSC peer %s (%s) @ %s with ID \"%s\"", name, version, url, id );
+        MESSAGE( "Discovered NON peer %s (%s) @ %s with ID \"%s\"", name, version, url, id );
-
+        MESSAGE( "Registering Signals" );
-        MESSAGE( "Scanning..." );
-
-//        timeline->osc->scan_peer( id, url );
 
         timeline->osc->hello( url );
         
@@ -1672,6 +1668,8 @@ Timeline::connect_osc ( void )
 
 void
 Timeline::discover_peers ( void )
+{
+    if ( nsm->is_active() )
     {
         lo_message m = lo_message_new();
         
@@ -1681,16 +1679,7 @@ Timeline::discover_peers ( void )
         nsm->broadcast( m );
         
         lo_message_free( m );
-
+    }
-    /* wait for responses and then autoconnect outputs */
-    
-    MESSAGE( "Waiting for OSC peers..." );
-
-    osc->wait( 1000 );
-
-    MESSAGE( "Reconnecting signals." );
-
-    connect_osc();
 }
 
 

timeline/src/Timeline.H

@@ -31,7 +31,6 @@
 #include <assert.h>
 #include <list>
 
-#include "OSC/Endpoint.H"
 #include "OSC_Thread.H"
 
 class Fl_Scroll;
@@ -54,6 +53,10 @@ class Scalebar;
 class Sequence;
 class Sequence_Widget;
 
+namespace OSC { class Endpoint; }
+
+#include <lo/lo.h>
+
 #ifndef USE_SINGLEBUFFERED_TIMELINE
 #include <FL/Fl_Overlay_Window.H>
 #else
@@ -236,8 +239,6 @@ public:
 
     /* OSC */
     
-
-
     void connect_osc ( void );
 
     void discover_peers ( void );