static void collabclient_remakeSockets( cloneclient_t *cc ) { cc->snapshot = zsocket_new (cc->ctx, ZMQ_DEALER); zsocket_connect (cc->snapshot, collabclient_makeAddressString( cc->address, cc->port + socket_offset_snapshot)); cc->subscriber = zsocket_new (cc->ctx, ZMQ_SUB); zsocket_set_subscribe (cc->subscriber, ""); zsocket_connect (cc->subscriber, collabclient_makeAddressString( cc->address, cc->port + socket_offset_subscriber)); zsocket_set_subscribe (cc->subscriber, SUBTREE); cc->publisher = zsocket_new (cc->ctx, ZMQ_PUSH); zsocket_connect (cc->publisher, collabclient_makeAddressString( cc->address, cc->port + socket_offset_publisher)); int fd = 0; size_t fdsz = sizeof(fd); int rc = zmq_getsockopt( cc->subscriber, ZMQ_FD, &fd, &fdsz ); printf("subscriber rc:%d fd:%d\n", rc, fd ); GDrawAddReadFD( 0, fd, cc, zeromq_subscriber_fd_callback ); }
static PyObject *PyFFFont_CollabSessionJoin(PyFF_Font *self, PyObject *args) { #ifdef BUILD_COLLAB char* address = collabclient_makeAddressString( "localhost", collabclient_getDefaultBasePort()); if ( PySequence_Size(args) == 1 ) { char* uaddr = 0; if ( !PyArg_ParseTuple(args,"es","UTF-8",&uaddr) ) return( NULL ); address = uaddr; } FontViewBase *fv = self->fv; TRACE("PyFFFont_CollabSessionJoin() address:%s fv:%p\n", address, self->fv ); void* cc = collabclient_newFromPackedAddress( address ); TRACE("PyFFFont_CollabSessionJoin() address:%s cc1:%p\n", address, cc ); fv->collabClient = cc; TRACE("PyFFFont_CollabSessionJoin() address:%s cc2:%p\n", address, fv->collabClient ); FontViewBase* newfv = collabclient_sessionJoin( cc, (FontView*)fv ); // here fv->collabClient is 0 and there is a new fontview. TRACE("PyFFFont_CollabSessionJoin() address:%s cc3:%p\n", address, fv->collabClient ); TRACE("PyFFFont_CollabSessionJoin() address:%s cc4:%p\n", address, newfv->collabClient ); inPythonStartedCollabSession = 1; PyObject* ret = PyFV_From_FV_I( newfv ); Py_RETURN( ret ); #endif Py_RETURN( self ); }
FontViewBase* collabclient_sessionJoin( void* ccvp, FontView *fv ) { FontViewBase* ret = 0; #ifdef BUILD_COLLAB cloneclient_t* cc = (cloneclient_t*)ccvp; printf("collabclient_sessionJoin(top)\n"); // Get state snapshot cc->sequence = 0; zstr_sendm (cc->snapshot, "ICANHAZ?"); zstr_send (cc->snapshot, SUBTREE); // if we wait for timeoutMS millisec then we assume failure // timeWaitedMS is used to keep track of how long we have waited kvmsg_t* lastSFD = 0; int timeWaitedMS = 0; int timeoutMS = pref_collab_sessionJoinTimeoutMS; while (true) { printf("timeoutMS:%d timeWaitedMS:%d\n", timeoutMS, timeWaitedMS ); if( timeWaitedMS >= timeoutMS ) { char* addrport = collabclient_makeAddressString( cc->address, cc->port ); gwwv_post_error(_("FontForge Collaboration"), _("Failed to connect to server session at %s"), addrport ); return 0; } kvmsg_t *kvmsg = kvmsg_recv_full( cc->snapshot, ZMQ_DONTWAIT ); if (!kvmsg) { int msToWait = 50; g_usleep( msToWait * 1000 ); timeWaitedMS += msToWait; continue; } /* kvmsg_t *kvmsg = kvmsg_recv (cc->snapshot); */ /* if (!kvmsg) */ /* break; // Interrupted */ if (streq (kvmsg_key (kvmsg), "KTHXBAI")) { cc->sequence = kvmsg_sequence (kvmsg); printf ("I: received snapshot=%d\n", (int) cc->sequence); kvmsg_destroy (&kvmsg); // Done break; } printf ("I: storing seq=%ld ", kvmsg_sequence (kvmsg)); if( kvmsg_get_prop (kvmsg, "type") ) printf(" type:%s", kvmsg_get_prop (kvmsg, "type") ); printf ("\n"); if( !strcmp(kvmsg_get_prop (kvmsg, "type"), MSG_TYPE_SFD )) { if( !lastSFD || kvmsg_sequence (kvmsg) > kvmsg_sequence (lastSFD)) { lastSFD = kvmsg; } size_t data_size = kvmsg_size(lastSFD); printf("data_size:%ld\n", data_size ); } kvmsg_store (&kvmsg, cc->kvmap); } printf("collabclient_sessionJoin(done with netio getting snapshot)\n"); printf("collabclient_sessionJoin() lastSFD:%p\n", lastSFD ); // int rc = 0; // void* out = 0; // rc = zhash_foreach ( cc->kvmap, collabclient_sessionJoin_findSFD_foreach_fn, &out ); // printf("collabclient_sessionJoin() last sfd:%p\n", out ); if( !lastSFD ) { gwwv_post_error(_("FontForge Collaboration"), _("No Font Snapshot received from the server")); return 0; } if( lastSFD ) { int openflags = 0; char filename[PATH_MAX]; snprintf(filename, PATH_MAX, "%s/fontforge-collab-import-%d.sfd",getTempDir(),getpid()); GFileWriteAll( filename, kvmsg_body (lastSFD) ); /* * Since we are creating a new fontview window for the collab session * we "hand over" the collabClient from the current fontview used to join * the session to the fontview which owns the sfd from the wire. */ FontViewBase* newfv = ViewPostScriptFont( filename, openflags ); newfv->collabClient = cc; fv->b.collabClient = 0; newfv->collabState = cs_client; FVTitleUpdate( newfv ); collabclient_notifySessionJoining( cc, newfv ); ret = newfv; /* cloneclient_t* newc = collabclient_new( cc->address, cc->port ); */ /* collabclient_sessionJoin( newc, fv ); */ } printf("applying updates from server that were performed after the SFD snapshot was done...\n"); kvmap_visit( cc->kvmap, kvmsg_sequence (lastSFD), collabclient_sessionJoin_processmsg_foreach_fn, cc ); /* struct collabclient_sessionJoin_processUpdates_foreach_args args; */ /* args.cc = cc; */ /* args.lastSFD = lastSFD; */ /* rc = zhash_foreach ( cc->kvmap, collabclient_sessionJoin_processUpdates_foreach_fn, &args ); */ printf("collabclient_sessionJoin(complete)\n"); #endif return ret; }