int main(int argc, char *argv[]) { // Process command line arguments char *config_filename = NULL; if( argc > 1) { config_filename = argv[1]; } char *mm_ip = NULL; if( argc > 2) { mm_ip = argv[2]; } static CMessage inMsg; Initialize(); bool try_again = true; while(try_again) { try { fprintf(stdout, "Connecting to Dragonfly\n"); if( mm_ip == NULL) dragonfly.ConnectToMMM(); else dragonfly.ConnectToMMM(mm_ip); dragonfly.Subscribe(MT_EXIT); dragonfly.Subscribe(MT_PING); dragonfly.Subscribe(MT_RAW_SPIKECOUNT); dragonfly.SendModuleReady(); fprintf(stdout, "Connected to Dragonfly\n"); ResetCount(); ResetActiveSources(); bool keep_running = true; while(keep_running) { double timeout = .5; // seconds bool got_msg = dragonfly.ReadMessage( &inMsg, timeout); if( got_msg) { keep_running = ProcessMessage(&dragonfly, &inMsg); if( !keep_running) { try_again = false; break; } } else { //fprintf(stdout, "Waiting for messages\n"); } } } catch(UPipeClosedException) { fprintf(stderr, "Reconnecting to Dragonfly\n"); Sleep(500); // milliseconds } catch(UPipeException) { fprintf(stderr, "Cannot connect to Dragonfly, waiting to reconnect\n"); Sleep(500); // milliseconds } } }
void mexFunction( int num_output_args, // Number of left hand side (output) arguments mxArray *output_arg[], // Array of left hand side arguments int num_input_args, // Number of right hand side (input) arguments const mxArray *input_arg[]) // Array of right hand side arguments { int opcode; MODULE_ID ModuleID, DestModID; HOST_ID DestHostID; short *HostAddress_raw; char HostAddress[MAX_HOST_ADDR_LENGTH]; int HostAddressLength = 0; MSG_TYPE MessageType; double timeout; int status; unsigned int SnoozeTime; int TimerID; int logger_status; void *pData; int NumDataBytes; const mxArray *Template; mxArray *ReturnData; bool try_again; double begin_time, end_time, elapsed_time; try { if( num_input_args < 1) { Error( "MatlabDragonfly takes at least 1 argument!"); } // // Get the "opcode" argument to determine what needs to be done // opcode = (int) mxGetScalar( input_arg[0]); switch( opcode) { case CONNECT_TO_MMM: if( num_input_args < 4) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { mexPrintf( "Disconnecting...\n"); TheModule.DisconnectFromMMM(); mexPrintf( "Re-connecting...\n"); } ModuleID = (MODULE_ID) mxGetScalar( input_arg[1]); HostAddressLength = mxGetNumberOfElements( input_arg[2]); logger_status = (int) mxGetScalar( input_arg[3]); TheModule.InitVariables( ModuleID, 0); try{ if( HostAddressLength > 0) { // Convert unicode matlab string to regular character string if( HostAddressLength > MAX_HOST_ADDR_LENGTH-1) Error( "Server name exceeds maximum allowed length"); HostAddress_raw = (short*) mxGetData( input_arg[2]); int i; for( i = 0; i < HostAddressLength; i++) HostAddress[i] = (char) HostAddress_raw[i]; HostAddress[i] = 0; // zero-terminate the string status = TheModule.ConnectToMMM( HostAddress, logger_status); } else { status = TheModule.ConnectToMMM( logger_status); } }catch(MyCException &E){ MyCString err("Failed to connect to MM:"); E.AppendTraceToString(err); Error(err.GetContent()); } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case DISCONNECT_FROM_MMM: if( num_input_args < 1) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { status = TheModule.DisconnectFromMMM( ); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case SUBSCRIBE: if( num_input_args < 2) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { MessageType = (MSG_TYPE) mxGetScalar( input_arg[1]); status = TheModule.Subscribe( MessageType); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case UNSUBSCRIBE: if( num_input_args < 2) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { MessageType = (MSG_TYPE) mxGetScalar( input_arg[1]); status = TheModule.Unsubscribe( MessageType); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case PAUSE_SUBSCRIPTION: if( num_input_args < 2) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { MessageType = (MSG_TYPE) mxGetScalar( input_arg[1]); status = TheModule.PauseSubscription( MessageType); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case RESUME_SUBSCRIPTION: if( num_input_args < 2) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { MessageType = (MSG_TYPE) mxGetScalar( input_arg[1]); status = TheModule.ResumeSubscription( MessageType); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case SEND_MESSAGE: if( num_input_args < 5) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { MessageType = (MSG_TYPE) mxGetScalar( input_arg[1]); pData = SerializeData( input_arg[2], &NumDataBytes); M.Set( MessageType, pData, NumDataBytes); DestModID = (MODULE_ID) mxGetScalar( input_arg[3]); DestHostID = (HOST_ID) mxGetScalar( input_arg[4]); status = TheModule.SendMessage( &M, DestModID, DestHostID); mxFree( pData); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); output_arg[1] = mxCreateDoubleScalar( M.send_time); output_arg[2] = mxCreateDoubleScalar( (double) M.msg_count); break; case SEND_SIGNAL: if( num_input_args < 4) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { MessageType = (MSG_TYPE) mxGetScalar( input_arg[1]); DestModID = (MODULE_ID) mxGetScalar( input_arg[2]); DestHostID = (HOST_ID) mxGetScalar( input_arg[3]); M.Set( MessageType); status = TheModule.SendMessage( &M, DestModID, DestHostID); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); output_arg[1] = mxCreateDoubleScalar( M.send_time); output_arg[2] = mxCreateDoubleScalar( (double) M.msg_count); break; case READ_MESSAGE_HDR: if( num_input_args < 3) Error( "incorrect number of arguments"); if( !TheModule.IsConnected( )) { output_arg[0] = EmptyMatrix( ); break; } timeout = mxGetScalar( input_arg[2]); begin_time = GetAbsTime(); do { try_again = false; try { status = TheModule.ReadMessage( &M, timeout); } catch( UPipeSignalException &e) { end_time = GetAbsTime(); elapsed_time = end_time - begin_time; timeout = timeout - elapsed_time; if( timeout < 0) timeout = 0; //mexPrintf("\nSignal caught and ignored!\n"); try_again = true; } } while( try_again); if( status > 0) { Template = input_arg[1]; ReturnData = C2Matlab( Template, &M, sizeof(DF_MSG_HEADER)); output_arg[0] = ReturnData; } else { output_arg[0] = EmptyMatrix( ); } break; case READ_MESSAGE_DATA: if( num_input_args < 2) Error( "incorrect number of arguments"); Template = input_arg[1]; ReturnData = C2Matlab( Template, M.GetDataPointer(), M.num_data_bytes); output_arg[0] = ReturnData; break; case SET_TIMER: if( num_input_args < 2) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { SnoozeTime = (unsigned int) mxGetScalar( input_arg[1]); TimerID = TheModule.SetTimer( SnoozeTime); } else { TimerID = -1; } output_arg[0] = mxCreateDoubleScalar( (double) TimerID); break; case CANCEL_TIMER: if( num_input_args < 2) Error( "incorrect number of arguments"); if( TheModule.IsConnected( )) { TimerID = (unsigned int) mxGetScalar( input_arg[1]); status = TheModule.CancelTimer( TimerID); } else { status = -1; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case SEND_MODULE_READY: if( TheModule.IsConnected( )) { status = TheModule.SendModuleReady( ); } else { status = 0; } output_arg[0] = mxCreateDoubleScalar( (double) status); break; case GET_TIME: output_arg[0] = mxCreateDoubleScalar( GetAbsTime()); break; case GET_MODULE_ID: output_arg[0] = mxCreateDoubleScalar( TheModule.GetModuleID()); break; default: Error( "Invalid opcode"); } } catch( MyCException &e) { MyCString S; e.AppendTraceToString( S); char *s = S.GetContent( ); Error( s); } } // mexFunction