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// example_server.c |
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// |
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/**************************************************************************** |
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liblscp - LinuxSampler Control Protocol API |
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Copyright (C) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved. |
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This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License along |
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with this program; if not, write to the Free Software Foundation, Inc., |
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*****************************************************************************/ |
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#include "server.h" |
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#include "parser.h" |
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#include <time.h> |
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#define SERVER_PORT 8888 |
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#if defined(WIN32) |
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static WSADATA _wsaData; |
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#endif |
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//////////////////////////////////////////////////////////////////////// |
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lscp_status_t server_callback ( lscp_connect_t *pConnect, const char *pchBuffer, int cchBuffer, void *pvData ) |
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{ |
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lscp_status_t ret = LSCP_OK; |
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lscp_parser_t tok; |
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const char *pszResult = NULL; |
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char szTemp[4096]; |
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int i; |
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static int iSamplerChannel = 0; |
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static int iAudioDevice = 0; |
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static int iMidiDevice = 0; |
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static int iMidiMaps = 0; |
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static int iMidiInstruments = 0; |
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if (pchBuffer == NULL) { |
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fprintf(stderr, "server_callback: addr=%s port=%d: ", |
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inet_ntoa(pConnect->client.addr.sin_addr), |
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htons(pConnect->client.addr.sin_port)); |
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switch (cchBuffer) { |
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case LSCP_CONNECT_OPEN: |
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fprintf(stderr, "New client connection.\n"); |
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break; |
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case LSCP_CONNECT_CLOSE: |
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fprintf(stderr, "Connection closed.\n"); |
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break; |
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} |
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return ret; |
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} |
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lscp_socket_trace("server_callback", &(pConnect->client.addr), pchBuffer, cchBuffer); |
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lscp_parser_init(&tok, pchBuffer, cchBuffer); |
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if (lscp_parser_test(&tok, "GET")) { |
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if (lscp_parser_test(&tok, "CHANNEL")) { |
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if (lscp_parser_test(&tok, "INFO")) { |
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// Getting sampler channel informations: |
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// GET CHANNEL INFO <sampler-channel> |
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pszResult = "ENGINE_NAME: DummyEngine\r\n" |
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"INSTRUMENT_FILE: DummyInstrument.gig\r\n" |
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"INSTRUMENT_NR: 0\r\n" |
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"INSTRUMENT_NAME: Dummy Instrument\r\n" |
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"INSTRUMENT_STATUS: 100\r\n" |
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"AUDIO_OUTPUT_DEVICE: 0\r\n" |
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"AUDIO_OUTPUT_CHANNELS: 2\r\n" |
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"AUDIO_OUTPUT_ROUTING: 0,1\r\n" |
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"MIDI_INPUT_DEVICE: 0\r\n" |
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"MIDI_INPUT_PORT: 0\r\n" |
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"MIDI_INPUT_CHANNEL: ALL\r\n" |
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"VOLUME: 0.5\r\n" |
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"MUTE: FALSE\r\n" |
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"SOLO: TRUE\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "VOICE_COUNT")) { |
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// Current number of active voices: |
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// GET CHANNEL VOICE_COUNT <sampler-channel> |
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sprintf(szTemp, "%d\r\n", rand() % 100); |
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pszResult = szTemp; |
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} |
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else if (lscp_parser_test(&tok, "STREAM_COUNT")) { |
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// Current number of active disk streams: |
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// GET CHANNEL STREAM_COUNT <sampler-channel> |
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pszResult = "3\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "BUFFER_FILL")) { |
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if (lscp_parser_test(&tok, "BYTES")) { |
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// Current fill state of disk stream buffers: |
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// GET CHANNEL BUFFER_FILL BYTES <sampler-channel> |
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sprintf(szTemp, "[1]%d,[2]%d,[3]%d\r\n", rand(), rand(), rand()); |
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pszResult = szTemp; |
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} |
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else if (lscp_parser_test(&tok, "PERCENTAGE")) { |
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// Current fill state of disk stream buffers: |
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// GET CHANNEL BUFFER_FILL PERCENTAGE <sampler-channel> |
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sprintf(szTemp, "[1]%d%%,[2]%d%%,[3]%d%%\r\n", rand() % 100, rand() % 100, rand() % 100); |
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pszResult = szTemp; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else if (lscp_parser_test(&tok, "CHANNELS")) { |
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// Current number of sampler channels: |
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// GET CHANNELS |
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sprintf(szTemp, "%d\r\n", iSamplerChannel); |
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pszResult = szTemp; |
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} |
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else if (lscp_parser_test(&tok, "AVAILABLE_AUDIO_OUTPUT_DRIVERS")) { |
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// Getting all available audio output driver count. |
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// GET AVAILABLE_AUDIO_OUTPUT_DRIVERS |
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pszResult = "2\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "AVAILABLE_MIDI_INPUT_DRIVERS")) { |
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// Getting all available MIDI input driver count. |
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// GET AVAILABLE_MIDI_INPUT_DRIVERS |
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pszResult = "1\r\n"; |
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} |
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else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_DRIVER", "INFO")) { |
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// Getting informations about a specific audio output driver. |
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// GET AUDIO_OUTPUT_DRIVER INFO <audio-output-type> |
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if (lscp_parser_test(&tok, "Alsa")) { |
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pszResult = "DESCRIPTION: 'ALSA PCM'\r\n" |
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"VERSION: '1.0'\r\n" |
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"PARAMETERS: channels,samplerate,active\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "Jack")) { |
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pszResult = "DESCRIPTION: JACK Audio Connection Kit\r\n" |
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"VERSION: 0.98.1\r\n" |
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"PARAMETERS: channels,samplerate,active\r\n" |
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".\r\n"; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else if (lscp_parser_test2(&tok, "MIDI_INPUT_DRIVER", "INFO")) { |
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// Getting informations about a specific MIDI input driver. |
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// GET MIDI_INPUT_DRIVER INFO <midi-input-type> |
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if (lscp_parser_test(&tok, "Alsa")) { |
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pszResult = "DESCRIPTION: ALSA Sequencer\r\n" |
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"VERSION: 1.0\r\n" |
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"PARAMETERS: ports,active\r\n" |
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".\r\n"; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_DRIVER_PARAMETER", "INFO")) { |
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// Getting informations about a specific audio output driver parameter. |
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// GET AUDIO_OUTPUT_DRIVER_PARAMETER INFO <audio-output-type> <param> |
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if (lscp_parser_test(&tok, "Alsa")) { |
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if (lscp_parser_test(&tok, "active")) { |
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pszResult = "DESCRIPTION: 'ALSA PCM active state'\r\n" |
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"TYPE: BOOL\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: FALSE\r\n" |
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"DEPENDS: channels,samplerate,card\r\n" |
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"DEFAULT: TRUE\r\n" |
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"RANGE_MIN: FALSE\r\n" |
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"RANGE_MAX: TRUE\r\n" |
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"POSSIBILITIES: FALSE,TRUE\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "channels")) { |
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pszResult = "DESCRIPTION: 'Number of ALSA PCM channels'\r\n" |
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"TYPE: INT\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: FALSE\r\n" |
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"DEFAULT: 2\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "samplerate")) { |
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pszResult = "DESCRIPTION: 'ALSA PCM sample rate'\r\n" |
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"TYPE: INT\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: TRUE\r\n" |
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"DEFAULT: 44100\r\n" |
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"POSSIBILITIES: 44100,48000,96000\r\n" |
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".\r\n"; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else if (lscp_parser_test(&tok, "Jack")) { |
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if (lscp_parser_test(&tok, "active")) { |
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pszResult = "DESCRIPTION: 'JACK active state'\r\n" |
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"TYPE: BOOL\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: FALSE\r\n" |
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"DEPENDS: channels,samplerate\r\n" |
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"DEFAULT: TRUE\r\n" |
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"RANGE_MIN: FALSE\r\n" |
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"RANGE_MAX: TRUE\r\n" |
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"POSSIBILITIES: FALSE,TRUE\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "channels")) { |
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pszResult = "DESCRIPTION: 'Number of JACK audio channels'\r\n" |
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"TYPE: INT\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: FALSE\r\n" |
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"DEFAULT: 2\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "samplerate")) { |
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pszResult = "DESCRIPTION: 'JACK sample rate'\r\n" |
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"TYPE: INT\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: TRUE\r\n" |
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"DEFAULT: 44100\r\n" |
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"POSSIBILITIES: 44100,48000,96000\r\n" |
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".\r\n"; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else if (lscp_parser_test2(&tok, "MIDI_INPUT_DRIVER_PARAMETER", "INFO")) { |
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// Getting informations about a specific MIDI input driver parameter. |
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// GET MIDI_INPUT_DRIVER_PARAMETER INFO <midi-input-type> <param> |
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if (lscp_parser_test(&tok, "Alsa")) { |
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if (lscp_parser_test(&tok, "active")) { |
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pszResult = "DESCRIPTION: 'ALSA Sequencer device active state'\r\n" |
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"TYPE: BOOL\r\n" |
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"MANDATORY: TRUE\r\n" |
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"FIX: TRUE\r\n" |
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"MULTIPLICITY: FALSE\r\n" |
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"DEPENDS: channels,ports\r\n" |
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"DEFAULT: TRUE\r\n" |
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"RANGE_MIN: FALSE\r\n" |
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"RANGE_MAX: TRUE\r\n" |
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"POSSIBILITIES: FALSE,TRUE\r\n" |
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".\r\n"; |
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} |
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else if (lscp_parser_test(&tok, "ports")) { |
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pszResult = "DESCRIPTION: 'Number of ALSA Sequencer ports'\r\n" |
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"TYPE: INT\r\n" |
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"MANDATORY: FALSE\r\n" |
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"FIX: FALSE\r\n" |
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"MULTIPLICITY: FALSE\r\n" |
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"DEFAULT: 1\r\n" |
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"RANGE_MIN: 1\r\n" |
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"RANGE_MAX: 4\r\n" |
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".\r\n"; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else ret = LSCP_FAILED; |
| 267 |
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} |
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else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_DEVICE", "INFO")) { |
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// Getting informations about a specific audio output device. |
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// GET AUDIO_OUTPUT_DEVICE INFO <audio-device-id> |
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if (lscp_parser_nextint(&tok) < iAudioDevice) { |
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pszResult = "driver: Alsa\r\n" |
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"active: TRUE\r\n" |
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"channels: 2\r\n" |
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"samplerate: 44100\r\n" |
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".\r\n"; |
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} |
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else ret = LSCP_FAILED; |
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} |
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else if (lscp_parser_test2(&tok, "MIDI_INPUT_DEVICE", "INFO")) { |
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// Getting informations about a specific MIDI input device. |
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// GET MIDI_INPUT_DEVICE INFO <midi-device-id> |
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if (lscp_parser_nextint(&tok) < iMidiDevice) { |
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pszResult = "driver: Alsa\r\n" |
| 285 |
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"active: TRUE\r\n" |
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"channels: 16\r\n" |
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"ports: 1\r\n" |
| 288 |
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".\r\n"; |
| 289 |
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} |
| 290 |
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else ret = LSCP_FAILED; |
| 291 |
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} |
| 292 |
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else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_CHANNEL", "INFO")) { |
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// Getting informations about an audio channel. |
| 294 |
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// GET AUDIO_OUTPUT_CHANNEL INFO <audio-device-id> <audio-channel> |
| 295 |
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if (lscp_parser_nextint(&tok) < iAudioDevice) { |
| 296 |
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pszResult = "name: DummyMonitor\r\n" |
| 297 |
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"is_mix_channel: FALSE\r\n" |
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"mix_channel_destination: 0\r\n" |
| 299 |
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".\r\n"; |
| 300 |
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} |
| 301 |
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else ret = LSCP_FAILED; |
| 302 |
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} |
| 303 |
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else if (lscp_parser_test2(&tok, "MIDI_INPUT_PORT", "INFO")) { |
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// Getting informations about a MIDI port. |
| 305 |
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// GET MIDI_INPUT_PORT INFO <midi-device-id> <midi-port> |
| 306 |
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if (lscp_parser_nextint(&tok) < iMidiDevice) { |
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pszResult = "name: DummyKeyboard\r\n" |
| 308 |
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"alsa_seq_bindings: '64:0'\r\n" |
| 309 |
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".\r\n"; |
| 310 |
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} |
| 311 |
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else ret = LSCP_FAILED; |
| 312 |
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} |
| 313 |
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else if (lscp_parser_test2(&tok, "AUDIO_OUTPUT_CHANNEL_PARAMETER", "INFO")) { |
| 314 |
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// Getting informations about specific audio channel parameter. |
| 315 |
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// GET AUDIO_OUTPUT_CHANNEL_PARAMETER INFO <audio-device-id> <audio-channel> <param> |
| 316 |
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if (lscp_parser_nextint(&tok) < iAudioDevice) { |
| 317 |
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lscp_parser_nextint(&tok); |
| 318 |
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if (lscp_parser_test(&tok, "is_mix_channel")) { |
| 319 |
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pszResult = "DESCRIPTION: 'Whether this is an audio mix channel'\r\n" |
| 320 |
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"TYPE: BOOL\r\n" |
| 321 |
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"MANDATORY: TRUE\r\n" |
| 322 |
|
|
"FIX: FALSE\r\n" |
| 323 |
|
|
"MULTIPLICITY: FALSE\r\n" |
| 324 |
|
|
"POSSIBILITIES: FALSE,TRUE\r\n" |
| 325 |
|
|
".\r\n"; |
| 326 |
|
|
} |
| 327 |
|
|
else if (lscp_parser_test(&tok, "mix_channel_destination")) { |
| 328 |
|
|
pszResult = "DESCRIPTION: 'Audio mix channel destination'\r\n" |
| 329 |
|
|
"TYPE: INT\r\n" |
| 330 |
|
|
"MANDATORY: TRUE\r\n" |
| 331 |
|
|
"FIX: FALSE\r\n" |
| 332 |
|
|
"MULTIPLICITY: TRUE\r\n" |
| 333 |
|
|
"POSSIBILITIES: 0,1\r\n" |
| 334 |
|
|
".\r\n"; |
| 335 |
|
|
} |
| 336 |
|
|
else ret = LSCP_FAILED; |
| 337 |
|
|
} |
| 338 |
|
|
else ret = LSCP_FAILED; |
| 339 |
|
|
} |
| 340 |
|
|
else if (lscp_parser_test2(&tok, "MIDI_INPUT_PORT_PARAMETER", "INFO")) { |
| 341 |
|
|
// Getting informations about specific MIDI port parameter. |
| 342 |
|
|
// GET MIDI_INPUT_PORT_PARAMETER INFO <midi-device-id> <midi-port> <param> |
| 343 |
|
|
if (lscp_parser_nextint(&tok) < iMidiDevice) { |
| 344 |
|
|
lscp_parser_nextint(&tok); |
| 345 |
|
|
if (lscp_parser_test(&tok, "alsa_seq_bindings")) { |
| 346 |
|
|
pszResult = "DESCRIPTION: 'Alsa sequencer port bindings'\r\n" |
| 347 |
|
|
"TYPE: STRING\r\n" |
| 348 |
|
|
"MANDATORY: TRUE\r\n" |
| 349 |
|
|
"FIX: FALSE\r\n" |
| 350 |
|
|
"MULTIPLICITY: TRUE\r\n" |
| 351 |
|
|
"POSSIBILITIES: '64:0','68:0','68:1'\r\n" |
| 352 |
|
|
".\r\n"; |
| 353 |
|
|
} |
| 354 |
|
|
else ret = LSCP_FAILED; |
| 355 |
|
|
} |
| 356 |
|
|
else ret = LSCP_FAILED; |
| 357 |
|
|
} |
| 358 |
|
|
else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICES")) { |
| 359 |
|
|
// Getting all created audio output device count. |
| 360 |
|
|
// GET AUDIO_OUTPUT_DEVICES |
| 361 |
|
|
sprintf(szTemp, "%d\r\n", iAudioDevice); |
| 362 |
|
|
pszResult = szTemp; |
| 363 |
|
|
} |
| 364 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICES")) { |
| 365 |
|
|
// Getting all created MID input device count. |
| 366 |
|
|
// GET MIDI_INPUT_DEVICES |
| 367 |
|
|
sprintf(szTemp, "%d\r\n", iMidiDevice); |
| 368 |
|
|
pszResult = szTemp; |
| 369 |
|
|
} |
| 370 |
|
|
else if (lscp_parser_test(&tok, "AVAILABLE_ENGINES")) { |
| 371 |
|
|
// Getting all available engine count: |
| 372 |
|
|
// GET AVAILABLE_ENGINES |
| 373 |
|
|
pszResult = "3\r\n"; |
| 374 |
|
|
} |
| 375 |
|
|
else if (lscp_parser_test2(&tok, "SERVER", "INFO")) { |
| 376 |
|
|
// Getting information about the server. |
| 377 |
|
|
// GET SERVER INFO |
| 378 |
|
|
sprintf(szTemp, "DESCRIPTION: example_server (%s) %s\r\n" |
| 379 |
|
|
"VERSION: %s\r\n.\r\n", lscp_server_package(), |
| 380 |
|
|
lscp_server_build(), lscp_server_version()); |
| 381 |
|
|
pszResult = szTemp; |
| 382 |
|
|
} |
| 383 |
|
|
else if (lscp_parser_test2(&tok, "ENGINE", "INFO")) { |
| 384 |
|
|
// Getting information about an engine. |
| 385 |
|
|
// GET ENGINE INFO <engine-name> |
| 386 |
|
|
if (lscp_parser_test(&tok, "GigEngine")) { |
| 387 |
|
|
pszResult = "DESCRIPTION: GigaSampler Engine\r\n" |
| 388 |
|
|
"VERSION: 0.3\r\n" |
| 389 |
|
|
".\r\n"; |
| 390 |
|
|
} |
| 391 |
|
|
else if (lscp_parser_test(&tok, "DLSEngine")) { |
| 392 |
|
|
pszResult = "DESCRIPTION: 'DLS Generic Engine'\r\n" |
| 393 |
|
|
"VERSION: 0.2\r\n" |
| 394 |
|
|
".\r\n"; |
| 395 |
|
|
} |
| 396 |
|
|
else if (lscp_parser_test(&tok, "AkaiEngine")) { |
| 397 |
|
|
pszResult = "DESCRIPTION: Akai Sampler Engine\r\n" |
| 398 |
|
|
"VERSION: 0.1\r\n" |
| 399 |
|
|
".\r\n"; |
| 400 |
|
|
} |
| 401 |
|
|
else ret = LSCP_FAILED; |
| 402 |
|
|
} |
| 403 |
|
|
else if (lscp_parser_test(&tok, "TOTAL_VOICE_COUNT")) { |
| 404 |
|
|
// Current number of active voices: |
| 405 |
|
|
// GET TOTAL_VOICE_COUNT |
| 406 |
|
|
sprintf(szTemp, "%d\r\n", rand() % 100); |
| 407 |
|
|
pszResult = szTemp; |
| 408 |
|
|
} |
| 409 |
|
|
else if (lscp_parser_test(&tok, "TOTAL_VOICE_COUNT_MAX")) { |
| 410 |
|
|
// Maximum amount of active voices: |
| 411 |
|
|
// GET TOTAL_VOICE_COUNT_MAX |
| 412 |
|
|
sprintf(szTemp, "%d\r\n", rand() % 100); |
| 413 |
|
|
pszResult = szTemp; |
| 414 |
|
|
} |
| 415 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INSTRUMENTS")) { |
| 416 |
|
|
// Get the total count of MIDI instrument map entries: |
| 417 |
|
|
// GET MIDI_INSTRUMENTS |
| 418 |
|
|
sprintf(szTemp, "%d\r\n", iMidiInstruments); |
| 419 |
|
|
pszResult = szTemp; |
| 420 |
|
|
} |
| 421 |
capela |
983 |
else if (lscp_parser_test(&tok, "MIDI_INSTRUMENT_MAPS")) { |
| 422 |
|
|
// Get the total count of MIDI instrument maps: |
| 423 |
|
|
// GET MIDI_INSTRUMENT_MAPS |
| 424 |
|
|
sprintf(szTemp, "%d\r\n", iMidiMaps); |
| 425 |
|
|
pszResult = szTemp; |
| 426 |
|
|
} |
| 427 |
|
|
else if (lscp_parser_test2(&tok, "MIDI_INSTRUMENT_MAP", "INFO")) { |
| 428 |
capela |
963 |
// Getting information about a MIDI instrument map entry: |
| 429 |
capela |
983 |
// GET MIDI_INSTRUMENT_MAP INFO <midi-map> |
| 430 |
|
|
pszResult = "NAME: DummyMapName\r\n" |
| 431 |
|
|
".\r\n"; |
| 432 |
|
|
} |
| 433 |
|
|
else if (lscp_parser_test2(&tok, "MIDI_INSTRUMENT", "INFO")) { |
| 434 |
|
|
// Getting information about a MIDI instrument map entry: |
| 435 |
|
|
// GET MIDI_INSTRUMENT INFO <midi-map> <midi-bank> <midi-prog> |
| 436 |
capela |
963 |
pszResult = "NAME: DummyName\r\n" |
| 437 |
|
|
"ENGINE_NAME: DummyEngine\r\n" |
| 438 |
|
|
"INSTRUMENT_FILE: DummyInstrument.gig\r\n" |
| 439 |
|
|
"INSTRUMENT_NR: 0\r\n" |
| 440 |
|
|
"INSTRUMENT_NAME: Dummy Instrument\r\n" |
| 441 |
|
|
"LOAD_MODE: ON_DEMAND\r\n" |
| 442 |
|
|
"VOLUME: 0.5\r\n" |
| 443 |
|
|
".\r\n"; |
| 444 |
|
|
} |
| 445 |
|
|
else ret = LSCP_FAILED; |
| 446 |
|
|
} |
| 447 |
|
|
else if (lscp_parser_test(&tok, "LIST")) { |
| 448 |
|
|
if (lscp_parser_test(&tok, "CHANNELS")) { |
| 449 |
|
|
// Getting all created sampler channel list. |
| 450 |
|
|
// LIST CHANNELS |
| 451 |
capela |
983 |
szTemp[0] = (char) 0; |
| 452 |
capela |
963 |
for (i = 0; i < iSamplerChannel && strlen(szTemp) < sizeof(szTemp) - 8; i++) { |
| 453 |
|
|
if (i > 0) |
| 454 |
|
|
strcat(szTemp, ","); |
| 455 |
|
|
sprintf(szTemp + strlen(szTemp), "%d", i); |
| 456 |
|
|
} |
| 457 |
|
|
strcat(szTemp, "\r\n"); |
| 458 |
|
|
pszResult = szTemp; |
| 459 |
|
|
} |
| 460 |
|
|
else if (lscp_parser_test(&tok, "AVAILABLE_ENGINES")) { |
| 461 |
|
|
// Getting all available engines: |
| 462 |
|
|
// LIST AVAILABLE_ENGINES |
| 463 |
|
|
pszResult = "GigEngine,DLSEngine,AkaiEngine\r\n"; |
| 464 |
|
|
} |
| 465 |
|
|
else if (lscp_parser_test(&tok, "AVAILABLE_AUDIO_OUTPUT_DRIVERS")) { |
| 466 |
|
|
// Getting all available audio output drivers. |
| 467 |
|
|
// LIST AVAILABLE_AUDIO_OUTPUT_DRIVERS |
| 468 |
|
|
pszResult = "ALSA,JACK\r\n"; |
| 469 |
|
|
} |
| 470 |
|
|
else if (lscp_parser_test(&tok, "AVAILABLE_MIDI_INPUT_DRIVERS")) { |
| 471 |
|
|
// Getting all available MIDI input drivers. |
| 472 |
|
|
// LIST AVAILABLE_MIDI_INPUT_DRIVERS |
| 473 |
|
|
pszResult = "ALSA\r\n"; |
| 474 |
|
|
} |
| 475 |
|
|
else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICES")) { |
| 476 |
|
|
// Getting all created audio output device list. |
| 477 |
|
|
// LIST AUDIO_OUTPUT_DEVICES |
| 478 |
capela |
983 |
szTemp[0] = (char) 0; |
| 479 |
capela |
963 |
for (i = 0; i < iAudioDevice && strlen(szTemp) < sizeof(szTemp) - 8; i++) { |
| 480 |
|
|
if (i > 0) |
| 481 |
|
|
strcat(szTemp, ","); |
| 482 |
|
|
sprintf(szTemp + strlen(szTemp), "%d", i); |
| 483 |
|
|
} |
| 484 |
|
|
strcat(szTemp, "\r\n"); |
| 485 |
|
|
pszResult = szTemp; |
| 486 |
|
|
} |
| 487 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICES")) { |
| 488 |
|
|
// Getting all created MID input device list. |
| 489 |
|
|
// LIST MIDI_INPUT_DEVICES |
| 490 |
capela |
983 |
szTemp[0] = (char) 0; |
| 491 |
capela |
963 |
for (i = 0; i < iMidiDevice && strlen(szTemp) < sizeof(szTemp) - 8; i++) { |
| 492 |
|
|
if (i > 0) |
| 493 |
|
|
strcat(szTemp, ","); |
| 494 |
|
|
sprintf(szTemp + strlen(szTemp), "%d", i); |
| 495 |
|
|
} |
| 496 |
|
|
strcat(szTemp, "\r\n"); |
| 497 |
|
|
pszResult = szTemp; |
| 498 |
|
|
} |
| 499 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INSTRUMENTS")) { |
| 500 |
|
|
// Getting indeces of all MIDI instrument map entries: |
| 501 |
|
|
// LIST MIDI_INSTRUMENTS |
| 502 |
capela |
983 |
szTemp[0] = (char) 0; |
| 503 |
capela |
963 |
for (i = 0; i < iMidiInstruments && strlen(szTemp) < sizeof(szTemp) - 16; i++) { |
| 504 |
|
|
if (i > 0) |
| 505 |
|
|
strcat(szTemp, ","); |
| 506 |
|
|
sprintf(szTemp + strlen(szTemp), "{0,%d,%d}", i / 128, i % 128); |
| 507 |
|
|
} |
| 508 |
|
|
strcat(szTemp, "\r\n"); |
| 509 |
|
|
pszResult = szTemp; |
| 510 |
|
|
} |
| 511 |
capela |
983 |
else if (lscp_parser_test(&tok, "MIDI_INSTRUMENT_MAPS")) { |
| 512 |
|
|
// Getting indeces of all MIDI instrument map entries: |
| 513 |
|
|
// LIST MIDI_INSTRUMENT_MAPS |
| 514 |
|
|
szTemp[0] = (char) 0; |
| 515 |
|
|
for (i = 0; i < iMidiMaps && strlen(szTemp) < sizeof(szTemp) - 8; i++) { |
| 516 |
|
|
if (i > 0) |
| 517 |
|
|
strcat(szTemp, ","); |
| 518 |
|
|
sprintf(szTemp + strlen(szTemp), "%d", i); |
| 519 |
|
|
} |
| 520 |
|
|
strcat(szTemp, "\r\n"); |
| 521 |
|
|
pszResult = szTemp; |
| 522 |
|
|
} |
| 523 |
capela |
963 |
else ret = LSCP_FAILED; |
| 524 |
|
|
} |
| 525 |
|
|
else if (lscp_parser_test(&tok, "SET")) { |
| 526 |
|
|
if (lscp_parser_test(&tok, "CHANNEL")) { |
| 527 |
|
|
if (lscp_parser_test(&tok, "VOLUME")) { |
| 528 |
|
|
// Setting channel volume: |
| 529 |
|
|
// SET CHANNEL VOLUME <sampler-channel> <volume> |
| 530 |
|
|
} |
| 531 |
|
|
else if (lscp_parser_test(&tok, "MUTE")) { |
| 532 |
|
|
// Muting a sampler channel: |
| 533 |
|
|
// SET CHANNEL MUTE <sampler-channel> <mute> |
| 534 |
|
|
} |
| 535 |
|
|
else if (lscp_parser_test(&tok, "SOLO")) { |
| 536 |
|
|
// Soloing a sampler channel: |
| 537 |
|
|
// SET CHANNEL SOLO <sampler-channel> <solo> |
| 538 |
|
|
} |
| 539 |
|
|
else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_TYPE")) { |
| 540 |
|
|
// Setting audio output type: |
| 541 |
|
|
// SET CHANNEL AUDIO_OUTPUT_TYPE <sampler-channel> <audio-output-type> |
| 542 |
|
|
} |
| 543 |
|
|
else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICE")) { |
| 544 |
|
|
// Setting audio output device: |
| 545 |
|
|
// SET CHANNEL AUDIO_OUTPUT_DEVICE <sampler-channel> <device-id> |
| 546 |
|
|
} |
| 547 |
|
|
else if (lscp_parser_test(&tok, "AUDIO_OUTPUT_CHANNEL")) { |
| 548 |
|
|
// Setting audio output channel: |
| 549 |
|
|
// SET CHANNEL AUDIO_OUTPUT_CHANNEL <sampler-channel> <audio-in> <audio-out> |
| 550 |
|
|
} |
| 551 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_TYPE")) { |
| 552 |
|
|
// Setting MIDI input type: |
| 553 |
|
|
// SET CHANNEL MIDI_INPUT_TYPE <sampler-channel> <midi-input-type> |
| 554 |
|
|
} |
| 555 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICE")) { |
| 556 |
|
|
// Setting MIDI input device: |
| 557 |
|
|
// SET CHANNEL MIDI_INPUT_DEVICE <sampler-channel> <device-id> |
| 558 |
|
|
} |
| 559 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_PORT")) { |
| 560 |
|
|
// Setting MIDI input port: |
| 561 |
|
|
// SET CHANNEL MIDI_INPUT_PORT <sampler-channel> <midi-input-port> |
| 562 |
|
|
} |
| 563 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_CHANNEL")) { |
| 564 |
|
|
// Setting MIDI input channel: |
| 565 |
|
|
// SET CHANNEL MIDI_INPUT_CHANNEL <sampler-channel> <midi-input-chan> |
| 566 |
|
|
} |
| 567 |
|
|
else ret = LSCP_FAILED; |
| 568 |
|
|
} |
| 569 |
capela |
983 |
else if (lscp_parser_test2(&tok, "MIDI_INSTRUMENT_MAP", "NAME")) { |
| 570 |
|
|
// Setting MIDI instrument map name: |
| 571 |
|
|
// SET MIDI_INSTRUMENT_MAP NAME <midi-map> <map-name> |
| 572 |
|
|
} |
| 573 |
capela |
963 |
else ret = LSCP_FAILED; |
| 574 |
|
|
} |
| 575 |
|
|
else if (lscp_parser_test(&tok, "LOAD")) { |
| 576 |
|
|
if (lscp_parser_test(&tok, "ENGINE")) { |
| 577 |
|
|
// Loading a sampler engine: |
| 578 |
|
|
// LOAD ENGINE <engine-name> <sampler-channel> |
| 579 |
|
|
} |
| 580 |
|
|
else if (lscp_parser_test(&tok, "INSTRUMENT")) { |
| 581 |
|
|
// Loading an instrument: |
| 582 |
|
|
// LOAD INSTRUMENT [NON_MODAL] <filename> <instr-index> <sampler-channel> |
| 583 |
|
|
} |
| 584 |
|
|
else ret = LSCP_FAILED; |
| 585 |
|
|
} |
| 586 |
capela |
983 |
else if (lscp_parser_test(&tok, "ADD")) { |
| 587 |
|
|
if (lscp_parser_test(&tok, "CHANNEL")) { |
| 588 |
|
|
// Adding a new sampler channel: |
| 589 |
|
|
// ADD CHANNEL |
| 590 |
|
|
if (iSamplerChannel < 16) { |
| 591 |
|
|
sprintf(szTemp, "OK[%d]\r\n", iSamplerChannel++); |
| 592 |
|
|
pszResult = szTemp; |
| 593 |
|
|
} else { |
| 594 |
|
|
iSamplerChannel = 0; |
| 595 |
|
|
ret = LSCP_FAILED; |
| 596 |
|
|
} |
| 597 |
capela |
963 |
} |
| 598 |
capela |
983 |
else if (lscp_parser_test(&tok, "MIDI_INSTRUMENT_MAP")) { |
| 599 |
|
|
// Adding a new MIDI instrument map: |
| 600 |
|
|
// ADD MIDI_INSTRUMENT_MAP <map-name> |
| 601 |
|
|
if (iMidiMaps < 2) { |
| 602 |
|
|
sprintf(szTemp, "OK[%d]\r\n", iMidiMaps++); |
| 603 |
|
|
pszResult = szTemp; |
| 604 |
|
|
} else { |
| 605 |
|
|
iMidiMaps = 0; |
| 606 |
|
|
ret = LSCP_FAILED; |
| 607 |
|
|
} |
| 608 |
|
|
} |
| 609 |
capela |
963 |
} |
| 610 |
capela |
983 |
else if (lscp_parser_test(&tok, "REMOVE")) { |
| 611 |
|
|
if (lscp_parser_test(&tok, "CHANNEL")) { |
| 612 |
|
|
// Removing a sampler channel: |
| 613 |
|
|
// REMOVE CHANNEL <sampler-channel> |
| 614 |
|
|
if (lscp_parser_nextint(&tok) >= 0) |
| 615 |
|
|
iSamplerChannel--; |
| 616 |
|
|
else |
| 617 |
|
|
ret = LSCP_FAILED; |
| 618 |
|
|
} |
| 619 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INSTRUMENT_MAP")) { |
| 620 |
|
|
// Removing a MIDI instrument map: |
| 621 |
|
|
// REMOVE MIDI_INSTRUMENT_MAP <midi-map> |
| 622 |
|
|
if (lscp_parser_nextint(&tok) >= 0) |
| 623 |
|
|
iMidiMaps--; |
| 624 |
|
|
else |
| 625 |
|
|
ret = LSCP_FAILED; |
| 626 |
|
|
} |
| 627 |
capela |
963 |
} |
| 628 |
|
|
else if (lscp_parser_test(&tok, "RESET")) { |
| 629 |
|
|
if (lscp_parser_test(&tok, "CHANNEL")) { |
| 630 |
|
|
// Resetting a sampler channel: |
| 631 |
|
|
// RESET CHANNEL <sampler-channel> |
| 632 |
|
|
if (lscp_parser_nextint(&tok) > iSamplerChannel) |
| 633 |
|
|
ret = LSCP_FAILED; |
| 634 |
|
|
} else { |
| 635 |
|
|
// Reset sampler: |
| 636 |
|
|
// RESET |
| 637 |
|
|
iSamplerChannel = 0; |
| 638 |
|
|
iAudioDevice = 0; |
| 639 |
|
|
iMidiDevice = 0; |
| 640 |
|
|
} |
| 641 |
|
|
} |
| 642 |
|
|
else if (lscp_parser_test(&tok, "CREATE")) { |
| 643 |
|
|
if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICE")) { |
| 644 |
|
|
// Creating an audio output device. |
| 645 |
|
|
// CREATE AUDIO_OUTPUT_DEVICE <audio-output-driver> [<params>] |
| 646 |
|
|
if (iAudioDevice < 8) { |
| 647 |
|
|
sprintf(szTemp, "OK[%d]\r\n", iAudioDevice++); |
| 648 |
|
|
pszResult = szTemp; |
| 649 |
|
|
} else { |
| 650 |
|
|
iAudioDevice = 0; |
| 651 |
|
|
ret = LSCP_FAILED; |
| 652 |
|
|
} |
| 653 |
|
|
} |
| 654 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICE")) { |
| 655 |
|
|
// Creating an MIDI input device. |
| 656 |
|
|
// CREATE MIDI_INPUT_DEVICE <midi-input-driver> [<params>] |
| 657 |
|
|
if (iMidiDevice < 8) { |
| 658 |
|
|
sprintf(szTemp, "OK[%d]\r\n", iMidiDevice++); |
| 659 |
|
|
pszResult = szTemp; |
| 660 |
|
|
} else { |
| 661 |
|
|
iMidiDevice = 0; |
| 662 |
|
|
ret = LSCP_FAILED; |
| 663 |
|
|
} |
| 664 |
|
|
} |
| 665 |
|
|
else ret = LSCP_FAILED; |
| 666 |
|
|
} |
| 667 |
|
|
else if (lscp_parser_test(&tok, "DESTROY")) { |
| 668 |
|
|
if (lscp_parser_test(&tok, "AUDIO_OUTPUT_DEVICE")) { |
| 669 |
|
|
// Destroying an audio output device. |
| 670 |
|
|
// DESTROY AUDIO_OUTPUT_DEVICE <audio-device-id> |
| 671 |
|
|
if (lscp_parser_nextint(&tok) < iAudioDevice) |
| 672 |
|
|
iAudioDevice--; |
| 673 |
|
|
else |
| 674 |
|
|
ret = LSCP_FAILED; |
| 675 |
|
|
} |
| 676 |
|
|
else if (lscp_parser_test(&tok, "MIDI_INPUT_DEVICE")) { |
| 677 |
|
|
// Destroying an MIDI intput device. |
| 678 |
|
|
// DESTROY MIDI_INPUT_DEVICE <midi-device-id> |
| 679 |
|
|
if (lscp_parser_nextint(&tok) < iMidiDevice) |
| 680 |
|
|
iMidiDevice--; |
| 681 |
|
|
else |
| 682 |
|
|
ret = LSCP_FAILED; |
| 683 |
|
|
} |
| 684 |
|
|
else ret = LSCP_FAILED; |
| 685 |
|
|
} |
| 686 |
|
|
else if (lscp_parser_test2(&tok, "MAP", "MIDI_INSTRUMENT")) { |
| 687 |
|
|
// Create or replace a MIDI instrumnet map entry: |
| 688 |
capela |
983 |
// MAP MIDI_INSTRUMENT <midi-map> <midi-bank> <midi-prog> |
| 689 |
capela |
963 |
// <engine-name> <filename> <instr-index> <volume> <load-mode> [<name>] |
| 690 |
|
|
iMidiInstruments++; |
| 691 |
|
|
} |
| 692 |
|
|
else if (lscp_parser_test2(&tok, "UNMAP", "MIDI_INSTRUMENT")) { |
| 693 |
|
|
// Remove an entry from the MIDI instrument map: |
| 694 |
capela |
983 |
// UNMAP MIDI_INSTRUMENT <midi-map> <midi-bank> <midi-prog> |
| 695 |
capela |
963 |
if (iMidiInstruments > 0) |
| 696 |
|
|
iMidiInstruments--; |
| 697 |
|
|
else |
| 698 |
|
|
ret = LSCP_FAILED; |
| 699 |
|
|
} |
| 700 |
|
|
else if (lscp_parser_test2(&tok, "CLEAR", "MIDI_INSTRUMENTS")) { |
| 701 |
|
|
// Clear the MIDI instrumnet map: |
| 702 |
|
|
// CLEAR MIDI_INSTRUMENTS |
| 703 |
|
|
} |
| 704 |
|
|
else if (lscp_parser_test(&tok, "SUBSCRIBE")) { |
| 705 |
|
|
// Register frontend for receiving event notification messages: |
| 706 |
|
|
// SUBSCRIBE <event> |
| 707 |
|
|
ret = lscp_server_subscribe(pConnect, lscp_event_from_text(lscp_parser_next(&tok))); |
| 708 |
|
|
} |
| 709 |
|
|
else if (lscp_parser_test(&tok, "UNSUBSCRIBE")) { |
| 710 |
|
|
// Deregister frontend for not receiving event notification messages anymore: |
| 711 |
|
|
// UNSUBSCRIBE <event> |
| 712 |
|
|
ret = lscp_server_unsubscribe(pConnect, lscp_event_from_text(lscp_parser_next(&tok))); |
| 713 |
|
|
} |
| 714 |
|
|
else if (lscp_parser_test(&tok, "QUIT")) { |
| 715 |
|
|
// Close client connection: |
| 716 |
|
|
// QUIT |
| 717 |
|
|
lscp_parser_free(&tok); |
| 718 |
|
|
return LSCP_FAILED; // Disconnect. |
| 719 |
|
|
} |
| 720 |
|
|
else ret = LSCP_FAILED; |
| 721 |
capela |
105 |
|
| 722 |
capela |
963 |
lscp_parser_free(&tok); |
| 723 |
capela |
105 |
|
| 724 |
capela |
963 |
if (pszResult == NULL) |
| 725 |
|
|
pszResult = (ret == LSCP_OK ? "OK\r\n" : "ERR:1:Failed\r\n"); |
| 726 |
capela |
105 |
|
| 727 |
capela |
963 |
fprintf(stderr, "> %s", pszResult); |
| 728 |
capela |
105 |
|
| 729 |
capela |
963 |
return lscp_server_result(pConnect, pszResult, strlen(pszResult)); |
| 730 |
capela |
105 |
} |
| 731 |
|
|
|
| 732 |
|
|
//////////////////////////////////////////////////////////////////////// |
| 733 |
|
|
|
| 734 |
capela |
189 |
|
| 735 |
capela |
105 |
void server_usage (void) |
| 736 |
|
|
{ |
| 737 |
capela |
963 |
printf("\n %s %s (Build: %s)\n", lscp_server_package(), lscp_server_version(), lscp_server_build()); |
| 738 |
capela |
105 |
|
| 739 |
capela |
963 |
fputs("\n Available server commands: help, exit, quit, list", stdout); |
| 740 |
|
|
fputs("\n (all else are broadcast verbatim to subscribers)\n\n", stdout); |
| 741 |
capela |
105 |
} |
| 742 |
|
|
|
| 743 |
|
|
void server_prompt (void) |
| 744 |
|
|
{ |
| 745 |
capela |
963 |
fputs("lscp_server> ", stdout); |
| 746 |
capela |
105 |
} |
| 747 |
|
|
|
| 748 |
|
|
int main (int argc, char *argv[] ) |
| 749 |
|
|
{ |
| 750 |
capela |
963 |
lscp_server_t *pServer; |
| 751 |
|
|
char szLine[200]; |
| 752 |
|
|
int cchLine; |
| 753 |
|
|
lscp_connect_t *p; |
| 754 |
capela |
105 |
|
| 755 |
|
|
#if defined(WIN32) |
| 756 |
capela |
963 |
if (WSAStartup(MAKEWORD(1, 1), &_wsaData) != 0) { |
| 757 |
|
|
fprintf(stderr, "lscp_server: WSAStartup failed.\n"); |
| 758 |
|
|
return -1; |
| 759 |
|
|
} |
| 760 |
capela |
105 |
#endif |
| 761 |
|
|
|
| 762 |
capela |
963 |
srand(time(NULL)); |
| 763 |
capela |
105 |
|
| 764 |
capela |
963 |
pServer = lscp_server_create(SERVER_PORT, server_callback, NULL); |
| 765 |
|
|
if (pServer == NULL) |
| 766 |
|
|
return -1; |
| 767 |
capela |
105 |
|
| 768 |
capela |
963 |
server_usage(); |
| 769 |
|
|
server_prompt(); |
| 770 |
capela |
105 |
|
| 771 |
capela |
963 |
while (fgets(szLine, sizeof(szLine), stdin)) { |
| 772 |
capela |
105 |
|
| 773 |
capela |
963 |
cchLine = strlen(szLine); |
| 774 |
|
|
while (cchLine > 0 && (szLine[cchLine - 1] == '\n' || szLine[cchLine - 1] == '\r')) |
| 775 |
|
|
cchLine--; |
| 776 |
|
|
szLine[cchLine] = '\0'; |
| 777 |
capela |
105 |
|
| 778 |
capela |
963 |
if (strcmp(szLine, "exit") == 0 || strcmp(szLine, "quit") == 0) |
| 779 |
|
|
break; |
| 780 |
|
|
else |
| 781 |
|
|
if (strcmp(szLine, "list") == 0) { |
| 782 |
|
|
for (p = pServer->connects.first; p; p = p->next) { |
| 783 |
|
|
printf("client: sock=%d addr=%s port=%d events=0x%04x.\n", |
| 784 |
|
|
p->client.sock, |
| 785 |
|
|
inet_ntoa(p->client.addr.sin_addr), |
| 786 |
|
|
ntohs(p->client.addr.sin_port), |
| 787 |
|
|
(int) p->events |
| 788 |
|
|
); |
| 789 |
|
|
} |
| 790 |
|
|
} |
| 791 |
|
|
else |
| 792 |
|
|
if (cchLine > 0 && strcmp(szLine, "help") != 0) |
| 793 |
|
|
lscp_server_broadcast(pServer, LSCP_EVENT_MISCELLANEOUS, szLine, strlen(szLine)); |
| 794 |
|
|
else |
| 795 |
|
|
server_usage(); |
| 796 |
capela |
105 |
|
| 797 |
capela |
963 |
server_prompt(); |
| 798 |
|
|
} |
| 799 |
capela |
105 |
|
| 800 |
capela |
963 |
lscp_server_destroy(pServer); |
| 801 |
capela |
105 |
|
| 802 |
|
|
#if defined(WIN32) |
| 803 |
capela |
963 |
WSACleanup(); |
| 804 |
capela |
105 |
#endif |
| 805 |
|
|
|
| 806 |
capela |
963 |
return 0; |
| 807 |
capela |
105 |
} |
| 808 |
|
|
|
| 809 |
|
|
// end of example_server.c |
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