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// example_client.c |
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// |
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/**************************************************************************** |
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Copyright (C) 2004, 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 |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*****************************************************************************/ |
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#include "lscp/client.h" |
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#include "lscp/device.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 client_callback ( lscp_client_t *pClient, lscp_event_t event, const char *pchData, int cchData, void *pvData ) |
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{ |
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lscp_status_t ret = LSCP_FAILED; |
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char *pszData = (char *) malloc(cchData + 1); |
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if (pszData) { |
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memcpy(pszData, pchData, cchData); |
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pszData[cchData] = (char) 0; |
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printf("client_callback: event=%s (0x%04x) [%s]\n", lscp_event_to_text(event), (int) event, pszData); |
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free(pszData); |
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ret = LSCP_OK; |
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} |
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return ret; |
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} |
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//////////////////////////////////////////////////////////////////////// |
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void client_test_int ( int i ) |
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{ |
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printf("%d\n", i); |
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} |
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void client_test_status ( lscp_status_t s ) |
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{ |
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const char *pszStatus; |
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switch (s) { |
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case LSCP_OK: pszStatus = "OK"; break; |
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case LSCP_FAILED: pszStatus = "FAILED"; break; |
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case LSCP_ERROR: pszStatus = "ERROR"; break; |
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case LSCP_WARNING: pszStatus = "WARNING"; break; |
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case LSCP_TIMEOUT: pszStatus = "TIMEOUT"; break; |
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case LSCP_QUIT: pszStatus = "QUIT"; break; |
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default: pszStatus = "NONE"; break; |
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} |
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printf("%s\n", pszStatus); |
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} |
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void client_test_isplit ( int *piSplit ) |
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{ |
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int i; |
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printf("{"); |
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for (i = 0; piSplit && piSplit[i] >= 0; i++) { |
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if (i > 0) |
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printf(","); |
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printf(" %d", piSplit[i]); |
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} |
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printf(" }\n"); |
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} |
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void client_test_szsplit ( char **ppszSplit ) |
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{ |
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int i; |
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printf("{"); |
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for (i = 0; ppszSplit && ppszSplit[i]; i++) { |
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if (i > 0) |
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printf(","); |
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printf(" %s", ppszSplit[i]); |
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} |
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printf(" }\n"); |
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} |
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void client_test_params ( lscp_param_t *pParams ) |
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{ |
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int i; |
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printf("{"); |
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for (i = 0; pParams && pParams[i].key; i++) { |
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if (i > 0) |
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printf(","); |
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printf(" %s='%s'", pParams[i].key, pParams[i].value); |
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} |
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printf(" }\n"); |
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} |
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void client_test_param_info ( lscp_param_info_t *pParamInfo ) |
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{ |
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const char *pszType; |
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if (pParamInfo == NULL) { |
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printf("(nil)\n"); |
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return; |
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} |
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switch (pParamInfo->type) { |
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case LSCP_TYPE_BOOL: pszType = "BOOL"; break; |
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case LSCP_TYPE_INT: pszType = "INT"; break; |
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case LSCP_TYPE_FLOAT: pszType = "FLOAT"; break; |
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case LSCP_TYPE_STRING: pszType = "STRING"; break; |
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default: pszType = "NONE"; break; |
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} |
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printf("{\n"); |
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printf(" param_info.type = %d (%s)\n", (int) pParamInfo->type, pszType); |
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printf(" param_info.description = %s\n", pParamInfo->description); |
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printf(" param_info.mandatory = %d\n", pParamInfo->mandatory); |
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printf(" param_info.fix = %d\n", pParamInfo->fix); |
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printf(" param_info.multiplicity = %d\n", pParamInfo->multiplicity); |
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printf(" param_info.depends = "); client_test_szsplit(pParamInfo->depends); |
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printf(" param_info.defaultv = %s\n", pParamInfo->defaultv); |
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printf(" param_info.range_min = %s\n", pParamInfo->range_min); |
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printf(" param_info.range_max = %s\n", pParamInfo->range_max); |
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printf(" param_info.possibilities = "); client_test_szsplit(pParamInfo->possibilities); |
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printf(" }\n"); |
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} |
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void client_test_driver_info ( lscp_driver_info_t *pDriverInfo ) |
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{ |
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if (pDriverInfo == NULL) { |
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printf("(nil)\n"); |
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return; |
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} |
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printf("{\n"); |
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printf(" driver_info.description = %s\n", pDriverInfo->description); |
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printf(" driver_info.version = %s\n", pDriverInfo->version); |
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printf(" driver_info.parameters = "); client_test_szsplit(pDriverInfo->parameters); |
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printf(" }\n"); |
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} |
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void client_test_device_info ( lscp_device_info_t *pDeviceInfo ) |
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{ |
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if (pDeviceInfo == NULL) { |
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printf("(nil)\n"); |
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return; |
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} |
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printf("{\n"); |
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printf(" device_info.driver = %s\n", pDeviceInfo->driver); |
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printf(" device_info.params = "); client_test_params(pDeviceInfo->params); |
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printf(" }\n"); |
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} |
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void client_test_device_port_info ( lscp_device_port_info_t *pDevicePortInfo ) |
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{ |
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if (pDevicePortInfo == NULL) { |
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printf("(nil)\n"); |
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return; |
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} |
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printf("{\n"); |
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printf(" device_port_info.name = %s\n", pDevicePortInfo->name); |
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printf(" device_port_info.params = "); client_test_params(pDevicePortInfo->params); |
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printf(" }\n"); |
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} |
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void client_test_engine_info ( lscp_engine_info_t *pEngineInfo ) |
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{ |
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if (pEngineInfo == NULL) { |
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printf("(nil)\n"); |
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return; |
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} |
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printf("{\n"); |
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printf(" engine_info.description = %s\n", pEngineInfo->description); |
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printf(" engine_info.version = %s\n", pEngineInfo->version); |
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printf(" }\n"); |
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} |
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void client_test_channel_info ( lscp_channel_info_t *pChannelInfo ) |
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{ |
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if (pChannelInfo == NULL) { |
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printf("(nil)\n"); |
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return; |
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} |
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printf("{\n"); |
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printf(" channel_info.engine_name = %s\n", pChannelInfo->engine_name); |
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printf(" channel_info.audio_device = %d\n", pChannelInfo->audio_device); |
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printf(" channel_info.audio_channels = %d\n", pChannelInfo->audio_channels); |
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printf(" channel_info.audio_routing = "); client_test_szsplit(pChannelInfo->audio_routing); |
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printf(" channel_info.instrument_file = %s\n", pChannelInfo->instrument_file); |
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printf(" channel_info.instrument_nr = %d\n", pChannelInfo->instrument_nr); |
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printf(" channel_info.instrument_status = %d\n", pChannelInfo->instrument_status); |
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printf(" channel_info.midi_device = %d\n", pChannelInfo->midi_device); |
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printf(" channel_info.midi_port = %d\n", pChannelInfo->midi_port); |
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printf(" channel_info.midi_channel = %d\n", pChannelInfo->midi_channel); |
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printf(" channel_info.volume = %g\n", pChannelInfo->volume); |
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printf(" }\n"); |
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} |
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void client_test_buffer_fill ( lscp_buffer_fill_t *pBufferFill ) |
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{ |
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printf("{ <%p> }\n", pBufferFill); |
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} |
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//////////////////////////////////////////////////////////////////////// |
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static int g_teststep = 0; |
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void client_test_start ( clock_t *pclk ) { *pclk = clock(); } |
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float client_test_elapsed ( clock_t *pclk ) { return (float) ((long) clock() - *pclk) / (float) CLOCKS_PER_SEC; } |
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typedef int * isplit; |
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typedef char ** szsplit; |
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typedef lscp_status_t status; |
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typedef lscp_driver_info_t * driver_info; |
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typedef lscp_device_info_t * device_info; |
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typedef lscp_device_port_info_t * device_port_info; |
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typedef lscp_param_info_t * param_info; |
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typedef lscp_engine_info_t * engine_info; |
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typedef lscp_channel_info_t * channel_info; |
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typedef lscp_buffer_fill_t * buffer_fill; |
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#define CLIENT_TEST(p, t, x) { clock_t c; void *v; \ |
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printf("\n" #x ":\n"); client_test_start(&c); v = (void *) (x); \ |
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printf(" elapsed=%gs errno=%d result='%s...' ret=", \ |
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client_test_elapsed(&c), \ |
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lscp_client_get_errno(p), \ |
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lscp_client_get_result(p)); \ |
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client_test_##t((t)(v)); \ |
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if (g_teststep) getchar(); } |
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void client_test ( lscp_client_t *pClient ) |
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{ |
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const char **ppszAudioDrivers, **ppszMidiDrivers, **ppszEngines; |
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const char *pszAudioDriver, *pszMidiDriver, *pszEngine; |
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int iAudioDriver, iMidiDriver, iEngine; |
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int iAudioDevice, iMidiDevice; |
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int iSamplerChannel; |
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CLIENT_TEST(pClient, szsplit, ppszAudioDrivers = lscp_get_available_audio_drivers(pClient)); |
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if (ppszAudioDrivers == NULL) { |
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fprintf(stderr, "client_test: No audio drivers available.\n"); |
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return; |
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} |
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CLIENT_TEST(pClient, szsplit, ppszMidiDrivers = lscp_get_available_midi_drivers(pClient)); |
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if (ppszMidiDrivers == NULL) { |
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fprintf(stderr, "client_test: No MIDI drivers available.\n"); |
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return; |
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} |
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CLIENT_TEST(pClient, szsplit, ppszEngines = lscp_get_available_engines(pClient)); |
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if (ppszEngines == NULL) { |
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fprintf(stderr, "client_test: No engines available.\n"); |
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return; |
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} |
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CLIENT_TEST(pClient, int, lscp_get_audio_devices(pClient)); |
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CLIENT_TEST(pClient, isplit, lscp_list_audio_devices(pClient)); |
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CLIENT_TEST(pClient, int, lscp_get_midi_devices(pClient)); |
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CLIENT_TEST(pClient, isplit, lscp_list_midi_devices(pClient)); |
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for (iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++) { |
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pszAudioDriver = ppszAudioDrivers[iAudioDriver]; |
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printf("\n--- pszAudioDriver=\"%s\" ---\n", pszAudioDriver); |
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CLIENT_TEST(pClient, driver_info, lscp_get_audio_driver_info(pClient, pszAudioDriver)); |
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CLIENT_TEST(pClient, param_info, lscp_get_audio_driver_param_info(pClient, pszAudioDriver, "active", NULL)); |
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CLIENT_TEST(pClient, int, iAudioDevice = lscp_create_audio_device(pClient, pszAudioDriver, NULL)); |
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CLIENT_TEST(pClient, device_info, lscp_get_audio_device_info(pClient, iAudioDevice)); |
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for (iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++) { |
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pszMidiDriver = ppszMidiDrivers[iMidiDriver]; |
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printf("\n--- pszMidiDriver=\"%s\" ---\n", pszMidiDriver); |
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CLIENT_TEST(pClient, driver_info, lscp_get_midi_driver_info(pClient, pszMidiDriver)); |
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CLIENT_TEST(pClient, param_info, lscp_get_midi_driver_param_info(pClient, pszMidiDriver, "active", NULL)); |
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CLIENT_TEST(pClient, int, iMidiDevice = lscp_create_midi_device(pClient, pszMidiDriver, NULL)); |
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CLIENT_TEST(pClient, device_info, lscp_get_midi_device_info(pClient, iMidiDevice)); |
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for (iEngine = 0; ppszEngines[iEngine]; iEngine++) { |
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pszEngine = ppszEngines[iEngine]; |
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printf("\n--- pszEngine=\"%s\" ---\n", pszEngine); |
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CLIENT_TEST(pClient, engine_info, lscp_get_engine_info(pClient, pszEngine)); |
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CLIENT_TEST(pClient, int, lscp_get_channels(pClient)); |
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CLIENT_TEST(pClient, isplit, lscp_list_channels(pClient)); |
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CLIENT_TEST(pClient, int, iSamplerChannel = lscp_add_channel(pClient)); |
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CLIENT_TEST(pClient, channel_info, lscp_get_channel_info(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, status, lscp_load_engine(pClient, pszEngine, iSamplerChannel)); |
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CLIENT_TEST(pClient, status, lscp_load_instrument(pClient, "DefaultInstrument.gig", 0, iSamplerChannel)); |
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CLIENT_TEST(pClient, int, lscp_get_channel_voice_count(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, int, lscp_get_channel_stream_count(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, int, lscp_get_channel_stream_usage(pClient, iSamplerChannel)); |
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CLIENT_TEST(pClient, buffer_fill, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_BYTES, iSamplerChannel)); |
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CLIENT_TEST(pClient, buffer_fill, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_PERCENTAGE, iSamplerChannel)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_audio_type(pClient, iSamplerChannel, pszAudioDriver)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_audio_device(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_audio_channel(pClient, iSamplerChannel, 0, 1)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_midi_type(pClient, iSamplerChannel, pszMidiDriver)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_midi_device(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_midi_channel(pClient, iSamplerChannel, 0)); |
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CLIENT_TEST(pClient, status, lscp_set_channel_midi_port(pClient, iSamplerChannel, 0)); |
| 315 |
|
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CLIENT_TEST(pClient, status, lscp_set_channel_volume(pClient, iSamplerChannel, 0.5)); |
| 316 |
|
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CLIENT_TEST(pClient, channel_info, lscp_get_channel_info(pClient, iSamplerChannel)); |
| 317 |
|
|
CLIENT_TEST(pClient, status, lscp_reset_channel(pClient, iSamplerChannel)); |
| 318 |
|
|
CLIENT_TEST(pClient, status, lscp_remove_channel(pClient, iSamplerChannel)); |
| 319 |
capela |
103 |
} |
| 320 |
capela |
187 |
CLIENT_TEST(pClient, status, lscp_destroy_midi_device(pClient, iMidiDevice)); |
| 321 |
capela |
103 |
} |
| 322 |
capela |
187 |
CLIENT_TEST(pClient, status, lscp_destroy_audio_device(pClient, iAudioDevice)); |
| 323 |
capela |
103 |
} |
| 324 |
|
|
|
| 325 |
|
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} |
| 326 |
|
|
|
| 327 |
|
|
//////////////////////////////////////////////////////////////////////// |
| 328 |
|
|
|
| 329 |
|
|
void client_usage (void) |
| 330 |
|
|
{ |
| 331 |
|
|
printf("\n %s %s (Build: %s)\n", lscp_client_package(), lscp_client_version(), lscp_client_build()); |
| 332 |
|
|
|
| 333 |
|
|
fputs("\n Available client commands: help, test, exit, quit, subscribe, unsubscribe", stdout); |
| 334 |
|
|
fputs("\n (all else are sent verbatim to server)\n\n", stdout); |
| 335 |
|
|
|
| 336 |
|
|
} |
| 337 |
|
|
|
| 338 |
|
|
void client_prompt (void) |
| 339 |
|
|
{ |
| 340 |
|
|
fputs("lscp_client> ", stdout); |
| 341 |
|
|
} |
| 342 |
|
|
|
| 343 |
|
|
int main (int argc, char *argv[] ) |
| 344 |
|
|
{ |
| 345 |
|
|
lscp_client_t *pClient; |
| 346 |
|
|
char *pszHost = "localhost"; |
| 347 |
|
|
char szLine[1024]; |
| 348 |
|
|
int cchLine; |
| 349 |
|
|
lscp_status_t ret; |
| 350 |
|
|
|
| 351 |
|
|
#if defined(WIN32) |
| 352 |
|
|
if (WSAStartup(MAKEWORD(1, 1), &_wsaData) != 0) { |
| 353 |
|
|
fprintf(stderr, "lscp_client: WSAStartup failed.\n"); |
| 354 |
|
|
return -1; |
| 355 |
|
|
} |
| 356 |
|
|
#endif |
| 357 |
|
|
|
| 358 |
|
|
if (argc > 1) |
| 359 |
|
|
pszHost = argv[1]; |
| 360 |
|
|
|
| 361 |
|
|
pClient = lscp_client_create(pszHost, SERVER_PORT, client_callback, NULL); |
| 362 |
|
|
if (pClient == NULL) |
| 363 |
|
|
return -1; |
| 364 |
|
|
|
| 365 |
|
|
client_usage(); |
| 366 |
|
|
client_prompt(); |
| 367 |
|
|
|
| 368 |
|
|
while (fgets(szLine, sizeof(szLine) - 3, stdin)) { |
| 369 |
|
|
|
| 370 |
|
|
cchLine = strlen(szLine); |
| 371 |
|
|
while (cchLine > 0 && (szLine[cchLine - 1] == '\n' || szLine[cchLine - 1] == '\r')) |
| 372 |
|
|
cchLine--; |
| 373 |
|
|
szLine[cchLine] = '\0'; |
| 374 |
|
|
|
| 375 |
|
|
if (strcmp(szLine, "exit") == 0 || strcmp(szLine, "quit") == 0) |
| 376 |
|
|
break; |
| 377 |
|
|
else |
| 378 |
|
|
if (strcmp(szLine, "subscribe") == 0) |
| 379 |
capela |
146 |
lscp_client_subscribe(pClient, LSCP_EVENT_MISCELLANEOUS); |
| 380 |
capela |
103 |
else |
| 381 |
|
|
if (strcmp(szLine, "unsubscribe") == 0) |
| 382 |
capela |
146 |
lscp_client_unsubscribe(pClient, LSCP_EVENT_MISCELLANEOUS); |
| 383 |
capela |
103 |
else |
| 384 |
|
|
if (strcmp(szLine, "test") == 0) |
| 385 |
|
|
client_test(pClient); |
| 386 |
|
|
else |
| 387 |
capela |
187 |
if (strcmp(szLine, "teststep") == 0) { |
| 388 |
|
|
g_teststep = 1; |
| 389 |
|
|
client_test(pClient); |
| 390 |
|
|
g_teststep = 0; |
| 391 |
|
|
} |
| 392 |
|
|
else |
| 393 |
capela |
103 |
if (cchLine > 0 && strcmp(szLine, "help") != 0) { |
| 394 |
|
|
szLine[cchLine++] = '\r'; |
| 395 |
|
|
szLine[cchLine++] = '\n'; |
| 396 |
|
|
szLine[cchLine] = '\0'; |
| 397 |
|
|
ret = lscp_client_query(pClient, szLine); |
| 398 |
|
|
printf("%s\n(errno = %d)\n", lscp_client_get_result(pClient), lscp_client_get_errno(pClient)); |
| 399 |
|
|
if (ret == LSCP_QUIT) |
| 400 |
|
|
break; |
| 401 |
|
|
} |
| 402 |
|
|
else client_usage(); |
| 403 |
|
|
|
| 404 |
|
|
client_prompt(); |
| 405 |
|
|
} |
| 406 |
|
|
|
| 407 |
|
|
lscp_client_destroy(pClient); |
| 408 |
|
|
|
| 409 |
|
|
#if defined(WIN32) |
| 410 |
|
|
WSACleanup(); |
| 411 |
|
|
#endif |
| 412 |
|
|
|
| 413 |
|
|
return 0; |
| 414 |
|
|
} |
| 415 |
|
|
|
| 416 |
|
|
// end of example_client.c |
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