--- liblscp/trunk/examples/example_server.c 2004/06/14 21:04:04 125 +++ liblscp/trunk/examples/example_server.c 2005/05/09 10:17:12 523 @@ -1,7 +1,7 @@ // example_server.c // /**************************************************************************** - Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. + Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License @@ -39,7 +39,9 @@ const char *pszResult = NULL; char szTemp[256]; int i; - static int iChannel = 0; + static int iSamplerChannel = 0; + static int iAudioDevice = 0; + static int iMidiDevice = 0; if (pchBuffer == NULL) { fprintf(stderr, "server_callback: addr=%s port=%d: ", @@ -68,6 +70,8 @@ pszResult = "ENGINE_NAME: DummyEngine\r\n" "INSTRUMENT_FILE: DummyInstrument.gig\r\n" "INSTRUMENT_NR: 0\r\n" + "INSTRUMENT_NAME: Dummy Instrument\r\n" + "INSTRUMENT_STATUS: 100\r\n" "AUDIO_OUTPUT_DEVICE: 0\r\n" "AUDIO_OUTPUT_CHANNELS: 2\r\n" "AUDIO_OUTPUT_ROUTING: 0,1\r\n" @@ -107,79 +111,313 @@ else if (lscp_parser_test(&tok, "CHANNELS")) { // Current number of sampler channels: // GET CHANNELS - sprintf(szTemp, "%d", iChannel); + sprintf(szTemp, "%d", iSamplerChannel); pszResult = szTemp; } else if (lscp_parser_test(&tok, "AVAILABLE_AUDIO_OUTPUT_DRIVERS")) { - // Getting all available audio output drivers. + // Getting all available audio output driver count. // GET AVAILABLE_AUDIO_OUTPUT_DRIVERS - pszResult = "ALSA,JACK\r\n"; + pszResult = "2\r\n"; } else if (lscp_parser_test(&tok, "AVAILABLE_MIDI_INPUT_DRIVERS")) { - // Getting all available MIDI input drivers. + // Getting all available MIDI input driver count. // GET AVAILABLE_MIDI_INPUT_DRIVERS - pszResult = "ALSA\r\n"; + pszResult = "1\r\n"; } else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_DRIVER", "INFO")) { // Getting informations about a specific audio output driver. // GET AUDIO_OUTPUT_DRIVER INFO - if (lscp_parser_test(&tok, "ALSA")) { + if (lscp_parser_test(&tok, "Alsa")) { pszResult = "DESCRIPTION: 'ALSA PCM'\r\n" "VERSION: '1.0'\r\n" - "PARAMETERS: CHANNELS,SAMPLERATE,ACTIVE,CARD\r\n"; + "PARAMETERS: channels,samplerate,active\r\n"; } - else if (lscp_parser_test(&tok, "JACK")) { - pszResult = "DESCRIPTION: Jack Audio Connection Kit\r\n" + else if (lscp_parser_test(&tok, "Jack")) { + pszResult = "DESCRIPTION: JACK Audio Connection Kit\r\n" "VERSION: 0.98.1\r\n" - "PARAMETERS: CHANNELS,SAMPLERATE,ACTIVE\r\n"; + "PARAMETERS: channels,samplerate,active\r\n"; } else ret = LSCP_FAILED; } else if (lscp_parser_test2(&tok, "MIDI_INPUT_DRIVER", "INFO")) { // Getting informations about a specific MIDI input driver. // GET MIDI_INPUT_DRIVER INFO - if (lscp_parser_test(&tok, "ALSA")) { + if (lscp_parser_test(&tok, "Alsa")) { pszResult = "DESCRIPTION: ALSA Sequencer\r\n" "VERSION: 1.0\r\n" - "PARAMETERS: PORTS,ACTIVE\r\n"; + "PARAMETERS: ports,active\r\n"; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_DRIVER_PARAMETER", "INFO")) { + // Getting informations about a specific audio output driver parameter. + // GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO + if (lscp_parser_test(&tok, "Alsa")) { + if (lscp_parser_test(&tok, "active")) { + pszResult = "DESCRIPTION: 'ALSA PCM active state'\r\n" + "TYPE: BOOL\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: FALSE\r\n" + "DEPENDS: channels,samplerate,card\r\n" + "DEFAULT: TRUE\r\n" + "RANGE_MIN: FALSE\r\n" + "RANGE_MAX: TRUE\r\n" + "POSSIBILITIES: FALSE,TRUE\r\n"; + } + else if (lscp_parser_test(&tok, "channels")) { + pszResult = "DESCRIPTION: 'Number of ALSA PCM channels'\r\n" + "TYPE: INT\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: FALSE\r\n" + "DEFAULT: 2\r\n"; + } + else if (lscp_parser_test(&tok, "samplerate")) { + pszResult = "DESCRIPTION: 'ALSA PCM sample rate'\r\n" + "TYPE: INT\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: TRUE\r\n" + "DEFAULT: 44100\r\n" + "POSSIBILITIES: 44100,48000,96000\r\n"; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test(&tok, "Jack")) { + if (lscp_parser_test(&tok, "active")) { + pszResult = "DESCRIPTION: 'JACK active state'\r\n" + "TYPE: BOOL\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: FALSE\r\n" + "DEPENDS: channels,samplerate\r\n" + "DEFAULT: TRUE\r\n" + "RANGE_MIN: FALSE\r\n" + "RANGE_MAX: TRUE\r\n" + "POSSIBILITIES: FALSE,TRUE\r\n"; + } + else if (lscp_parser_test(&tok, "channels")) { + pszResult = "DESCRIPTION: 'Number of JACK audio channels'\r\n" + "TYPE: INT\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: FALSE\r\n" + "DEFAULT: 2\r\n"; + } + else if (lscp_parser_test(&tok, "samplerate")) { + pszResult = "DESCRIPTION: 'JACK sample rate'\r\n" + "TYPE: INT\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: TRUE\r\n" + "DEFAULT: 44100\r\n" + "POSSIBILITIES: 44100,48000,96000\r\n"; + } + else ret = LSCP_FAILED; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "MIDI_INPUT_DRIVER_PARAMETER", "INFO")) { + // Getting informations about a specific MIDI input driver parameter. + // GET MIDI_INPUT_DRIVER_PARAMETER INFO + if (lscp_parser_test(&tok, "Alsa")) { + if (lscp_parser_test(&tok, "active")) { + pszResult = "DESCRIPTION: 'ALSA Sequencer device active state'\r\n" + "TYPE: BOOL\r\n" + "MANDATORY: TRUE\r\n" + "FIX: TRUE\r\n" + "MULTIPLICITY: FALSE\r\n" + "DEPENDS: channels,ports\r\n" + "DEFAULT: TRUE\r\n" + "RANGE_MIN: FALSE\r\n" + "RANGE_MAX: TRUE\r\n" + "POSSIBILITIES: FALSE,TRUE\r\n"; + } + else if (lscp_parser_test(&tok, "ports")) { + pszResult = "DESCRIPTION: 'Number of ALSA Sequencer ports'\r\n" + "TYPE: INT\r\n" + "MANDATORY: FALSE\r\n" + "FIX: FALSE\r\n" + "MULTIPLICITY: FALSE\r\n" + "DEFAULT: 1\r\n" + "RANGE_MIN: 1\r\n" + "RANGE_MAX: 4\r\n"; + } + else ret = LSCP_FAILED; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_DEVICE", "INFO")) { + // Getting informations about a specific audio output device. + // GET AUDIO_OUTPUT_DEVICE INFO + if (lscp_parser_nextint(&tok) < iAudioDevice) { + pszResult = "driver: Alsa\r\n" + "active: TRUE\r\n" + "channels: 2\r\n" + "samplerate: 44100\r\n"; } else ret = LSCP_FAILED; } + else if (lscp_parser_test2(&tok, "MIDI_INPUT_DEVICE", "INFO")) { + // Getting informations about a specific MIDI input device. + // GET MIDI_INPUT_DEVICE INFO + if (lscp_parser_nextint(&tok) < iMidiDevice) { + pszResult = "driver: Alsa\r\n" + "active: TRUE\r\n" + "channels: 16\r\n" + "ports: 1\r\n"; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_CHANNEL", "INFO")) { + // Getting informations about an audio channel. + // GET AUDIO_OUTPUT_CHANNEL INFO + if (lscp_parser_nextint(&tok) < iAudioDevice) { + pszResult = "name: DummyMonitor\r\n" + "is_mix_channel: FALSE\r\n" + "mix_channel_destination: 0\r\n"; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "MIDI_INPUT_PORT", "INFO")) { + // Getting informations about a MIDI port. + // GET MIDI_INPUT_PORT INFO + if (lscp_parser_nextint(&tok) < iMidiDevice) { + pszResult = "name: DummyKeyboard\r\n" + "alsa_seq_bindings: '64:0'\r\n"; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_CHANNEL_PARAMETER", "INFO")) { + // Getting informations about specific audio channel parameter. + // GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO + if (lscp_parser_nextint(&tok) < iAudioDevice) { + lscp_parser_nextint(&tok); + if (lscp_parser_test(&tok, "is_mix_channel")) { + pszResult = "DESCRIPTION: 'Whether this is an audio mix channel'\r\n" + "TYPE: BOOL\r\n" + "MANDATORY: TRUE\r\n" + "FIX: FALSE\r\n" + "MULTIPLICITY: FALSE\r\n" + "POSSIBILITIES: FALSE,TRUE\r\n"; + } + else if (lscp_parser_test(&tok, "mix_channel_destination")) { + pszResult = "DESCRIPTION: 'Audio mix channel destination'\r\n" + "TYPE: INT\r\n" + "MANDATORY: TRUE\r\n" + "FIX: FALSE\r\n" + "MULTIPLICITY: TRUE\r\n" + "POSSIBILITIES: 0,1\r\n"; + } + else ret = LSCP_FAILED; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test2(&tok, "MIDI_INPUT_PORT_PARAMETER", "INFO")) { + // Getting informations about specific MIDI port parameter. + // GET MIDI_INPUT_PORT_PARAMETER INFO + if (lscp_parser_nextint(&tok) < iMidiDevice) { + lscp_parser_nextint(&tok); + if (lscp_parser_test(&tok, "alsa_seq_bindings")) { + pszResult = "DESCRIPTION: 'Alsa sequencer port bindings'\r\n" + "TYPE: STRING\r\n" + "MANDATORY: TRUE\r\n" + "FIX: FALSE\r\n" + "MULTIPLICITY: TRUE\r\n" + "POSSIBILITIES: '64:0','68:0','68:1'\r\n"; + } + else ret = LSCP_FAILED; + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICES")) { + // Getting all created audio output device count. + // GET AUDIO_OUTPUT_DEVICES + sprintf(szTemp, "%d\r\n", iAudioDevice); + pszResult = szTemp; + } + else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICES")) { + // Getting all created MID input device count. + // GET MIDI_INPUT_DEVICES + sprintf(szTemp, "%d\r\n", iMidiDevice); + pszResult = szTemp; + } else if (lscp_parser_test(&tok, "AVAILABLE_ENGINES")) { - // Getting all available engines: + // Getting all available engine count: // GET AVAILABLE_ENGINES - pszResult = "Engine1,Engine2,Engine3\r\n"; + pszResult = "3\r\n"; } else if (lscp_parser_test2(&tok, "ENGINE", "INFO")) { // Getting information about an engine. // GET ENGINE INFO - pszResult = "DESCRIPTION: DummyEngine\r\n" - "VERSION: 1.0\r\n"; + if (lscp_parser_test(&tok, "GigEngine")) { + pszResult = "DESCRIPTION: GigaSampler Engine\r\n" + "VERSION: 0.3\r\n"; + } + else if (lscp_parser_test(&tok, "DLSEngine")) { + pszResult = "DESCRIPTION: 'DLS Generic Engine'\r\n" + "VERSION: 0.2\r\n"; + } + else if (lscp_parser_test(&tok, "AkaiEngine")) { + pszResult = "DESCRIPTION: Akai Sampler Engine\r\n" + "VERSION: 0.1\r\n"; + } + else ret = LSCP_FAILED; } else ret = LSCP_FAILED; } else if (lscp_parser_test(&tok, "LIST")) { if (lscp_parser_test(&tok, "CHANNELS")) { // Getting all created sampler channel list. - // GET CHANNELS - if (iChannel > 0) { + // LIST CHANNELS + if (iSamplerChannel > 0) { strcpy(szTemp, "0"); - for (i = 1; i < iChannel; i++) + for (i = 1; i < iSamplerChannel && strlen(szTemp) < sizeof(szTemp) - 8; i++) sprintf(szTemp + strlen(szTemp), ",%d", i); strcat(szTemp, "\r\n"); pszResult = szTemp; } else ret = LSCP_FAILED; } + else if (lscp_parser_test(&tok, "AVAILABLE_ENGINES")) { + // Getting all available engines: + // LIST AVAILABLE_ENGINES + pszResult = "GigEngine,DLSEngine,AkaiEngine\r\n"; + } + else if (lscp_parser_test(&tok, "AVAILABLE_AUDIO_OUTPUT_DRIVERS")) { + // Getting all available audio output drivers. + // LIST AVAILABLE_AUDIO_OUTPUT_DRIVERS + pszResult = "ALSA,JACK\r\n"; + } + else if (lscp_parser_test(&tok, "AVAILABLE_MIDI_INPUT_DRIVERS")) { + // Getting all available MIDI input drivers. + // LIST AVAILABLE_MIDI_INPUT_DRIVERS + pszResult = "ALSA\r\n"; + } else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICES")) { // Getting all created audio output device list. - // GET AUDIO_OUTPUT_DEVICES - pszResult = "0,1\r\n"; + // LIST AUDIO_OUTPUT_DEVICES + if (iAudioDevice > 0) { + strcpy(szTemp, "0"); + for (i = 1; i < iAudioDevice && strlen(szTemp) < sizeof(szTemp) - 8; i++) + sprintf(szTemp + strlen(szTemp), ",%d", i); + strcat(szTemp, "\r\n"); + pszResult = szTemp; + } + else ret = LSCP_FAILED; } else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICES")) { // Getting all created MID input device list. - // GET MIDI_INPUT_DEVICES - pszResult = "0\r\n"; + // LIST MIDI_INPUT_DEVICES + if (iMidiDevice > 0) { + strcpy(szTemp, "0"); + for (i = 1; i < iMidiDevice && strlen(szTemp) < sizeof(szTemp) - 8; i++) + sprintf(szTemp + strlen(szTemp), ",%d", i); + strcat(szTemp, "\r\n"); + pszResult = szTemp; + } + else ret = LSCP_FAILED; } else ret = LSCP_FAILED; } @@ -228,33 +466,96 @@ } else if (lscp_parser_test(&tok, "INSTRUMENT")) { // Loading an instrument: - // LOAD INSTRUMENT + // LOAD INSTRUMENT [NON_MODAL] } else ret = LSCP_FAILED; } else if (lscp_parser_test2(&tok, "ADD", "CHANNEL")) { // Adding a new sampler channel: // ADD CHANNEL - sprintf(szTemp, "OK[%d]", iChannel++); - pszResult = szTemp; + if (iSamplerChannel < 16) { + sprintf(szTemp, "OK[%d]", iSamplerChannel++); + pszResult = szTemp; + } else { + iSamplerChannel = 0; + ret = LSCP_FAILED; + } } else if (lscp_parser_test2(&tok, "REMOVE", "CHANNEL")) { // Removing a sampler channel: // REMOVE CHANNEL + if (lscp_parser_nextint(&tok) < iSamplerChannel) + iSamplerChannel--; + else + ret = LSCP_FAILED; + } + else if (lscp_parser_test(&tok, "RESET")) { + if (lscp_parser_test(&tok, "CHANNEL")) { + // Resetting a sampler channel: + // RESET CHANNEL + if (lscp_parser_nextint(&tok) > iSamplerChannel) + ret = LSCP_FAILED; + } else { + // Reset sampler: + // RESET + iSamplerChannel = 0; + iAudioDevice = 0; + iMidiDevice = 0; + } + } + else if (lscp_parser_test(&tok, "CREATE")) { + if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICE")) { + // Creating an audio output device. + // CREATE AUDIO_OUTPUT_DEVICE [] + if (iAudioDevice < 8) { + sprintf(szTemp, "OK[%d]", iAudioDevice++); + pszResult = szTemp; + } else { + iAudioDevice = 0; + ret = LSCP_FAILED; + } + } + else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICE")) { + // Creating an MIDI input device. + // CREATE MIDI_INPUT_DEVICE [] + if (iMidiDevice < 8) { + sprintf(szTemp, "OK[%d]", iMidiDevice++); + pszResult = szTemp; + } else { + iMidiDevice = 0; + ret = LSCP_FAILED; + } + } + else ret = LSCP_FAILED; + } + else if (lscp_parser_test(&tok, "DESTROY")) { + if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICE")) { + // Destroying an audio output device. + // DESTROY AUDIO_OUTPUT_DEVICE + if (lscp_parser_nextint(&tok) < iAudioDevice) + iAudioDevice--; + else + ret = LSCP_FAILED; + } + else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICE")) { + // Destroying an MIDI intput device. + // DESTROY MIDI_INPUT_DEVICE + if (lscp_parser_nextint(&tok) < iMidiDevice) + iMidiDevice--; + else + ret = LSCP_FAILED; + } + else ret = LSCP_FAILED; } - else if (lscp_parser_test2(&tok, "RESET", "CHANNEL")) { - // Resetting a sampler channel: - // RESET CHANNEL - } - else if (lscp_parser_test2(&tok, "SUBSCRIBE", "NOTIFICATION")) { - // Register frontend for receiving UDP event messages: - // SUBSCRIBE NOTIFICATION - ret = lscp_server_subscribe(pConnect, lscp_parser_nextint(&tok)); - } - else if (lscp_parser_test2(&tok, "UNSUBSCRIBE", "NOTIFICATION")) { - // Deregister frontend for not receiving UDP event messages anymore: - // UNSUBSCRIBE NOTIFICATION - ret = lscp_server_unsubscribe(pConnect, lscp_parser_next(&tok)); + else if (lscp_parser_test(&tok, "SUBSCRIBE")) { + // Register frontend for receiving event notification messages: + // SUBSCRIBE + ret = lscp_server_subscribe(pConnect, lscp_event_from_text(lscp_parser_next(&tok))); + } + else if (lscp_parser_test(&tok, "UNSUBSCRIBE")) { + // Deregister frontend for not receiving event notification messages anymore: + // UNSUBSCRIBE + ret = lscp_server_unsubscribe(pConnect, lscp_event_from_text(lscp_parser_next(&tok))); } else if (lscp_parser_test(&tok, "QUIT")) { // Close client connection: @@ -276,6 +577,7 @@ //////////////////////////////////////////////////////////////////////// + void server_usage (void) { printf("\n %s %s (Build: %s)\n", lscp_server_package(), lscp_server_version(), lscp_server_build()); @@ -324,19 +626,17 @@ else if (strcmp(szLine, "list") == 0) { for (p = pServer->connects.first; p; p = p->next) { - printf("client: sock=%d addr=%s tcp.port=%d udp.port=%d ping=%d sessid=%s.\n", + printf("client: sock=%d addr=%s port=%d events=0x%04x.\n", p->client.sock, inet_ntoa(p->client.addr.sin_addr), ntohs(p->client.addr.sin_port), - p->port, - p->ping, - p->sessid + (int) p->events ); } } else if (cchLine > 0 && strcmp(szLine, "help") != 0) - lscp_server_broadcast(pServer, szLine, strlen(szLine)); + lscp_server_broadcast(pServer, LSCP_EVENT_MISCELLANEOUS, szLine, strlen(szLine)); else server_usage();