/[svn]/liblscp/trunk/examples/example_client.c
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Revision 213 - (hide annotations) (download)
Thu Jul 29 09:22:02 2004 UTC (19 years, 8 months ago) by capela
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* LSCP document draft (v.12); lscp_reset_sampler() added.
1 capela 103 // example_client.c
2     //
3     /****************************************************************************
4     Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved.
5    
6     This program is free software; you can redistribute it and/or
7     modify it under the terms of the GNU General Public License
8     as published by the Free Software Foundation; either version 2
9     of the License, or (at your option) any later version.
10    
11     This program is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14     GNU General Public License for more details.
15    
16     You should have received a copy of the GNU General Public License
17     along with this program; if not, write to the Free Software
18     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19    
20     *****************************************************************************/
21    
22     #include "lscp/client.h"
23     #include "lscp/device.h"
24    
25     #include <time.h>
26    
27     #define SERVER_PORT 8888
28    
29     #if defined(WIN32)
30     static WSADATA _wsaData;
31     #endif
32    
33     ////////////////////////////////////////////////////////////////////////
34    
35 capela 147 lscp_status_t client_callback ( lscp_client_t *pClient, lscp_event_t event, const char *pchData, int cchData, void *pvData )
36 capela 103 {
37 capela 147 lscp_status_t ret = LSCP_FAILED;
38 capela 103
39 capela 147 char *pszData = (char *) malloc(cchData + 1);
40     if (pszData) {
41     memcpy(pszData, pchData, cchData);
42     pszData[cchData] = (char) 0;
43     printf("client_callback: event=%s (0x%04x) [%s]\n", lscp_event_to_text(event), (int) event, pszData);
44     free(pszData);
45     ret = LSCP_OK;
46 capela 103 }
47    
48     return ret;
49     }
50    
51     ////////////////////////////////////////////////////////////////////////
52    
53 capela 188 int client_test_int ( int i )
54 capela 187 {
55     printf("%d\n", i);
56 capela 188 return (i >= 0 ? 0 : 1);
57 capela 187 }
58    
59 capela 189
60 capela 188 int client_test_status ( lscp_status_t s )
61 capela 187 {
62     const char *pszStatus;
63 capela 188
64 capela 187 switch (s) {
65     case LSCP_OK: pszStatus = "OK"; break;
66     case LSCP_FAILED: pszStatus = "FAILED"; break;
67     case LSCP_ERROR: pszStatus = "ERROR"; break;
68     case LSCP_WARNING: pszStatus = "WARNING"; break;
69     case LSCP_TIMEOUT: pszStatus = "TIMEOUT"; break;
70     case LSCP_QUIT: pszStatus = "QUIT"; break;
71     default: pszStatus = "NONE"; break;
72     }
73     printf("%s\n", pszStatus);
74 capela 188 return (s == LSCP_OK ? 0 : 1);
75 capela 187 }
76    
77    
78 capela 188 int client_test_isplit ( int *piSplit )
79 capela 187 {
80     int i;
81    
82     printf("{");
83     for (i = 0; piSplit && piSplit[i] >= 0; i++) {
84     if (i > 0)
85     printf(",");
86     printf(" %d", piSplit[i]);
87     }
88     printf(" }\n");
89 capela 188 return 0;
90 capela 187 }
91    
92 capela 189
93 capela 188 int client_test_szsplit ( char **ppszSplit )
94 capela 187 {
95     int i;
96    
97     printf("{");
98     for (i = 0; ppszSplit && ppszSplit[i]; i++) {
99     if (i > 0)
100     printf(",");
101     printf(" %s", ppszSplit[i]);
102     }
103     printf(" }\n");
104 capela 188 return 0;
105 capela 187 }
106    
107 capela 189
108 capela 188 int client_test_params ( lscp_param_t *pParams )
109 capela 187 {
110     int i;
111    
112     printf("{");
113     for (i = 0; pParams && pParams[i].key; i++) {
114     if (i > 0)
115     printf(",");
116     printf(" %s='%s'", pParams[i].key, pParams[i].value);
117     }
118     printf(" }\n");
119 capela 188 return 0;
120 capela 187 }
121    
122 capela 189
123 capela 188 int client_test_param_info ( lscp_param_info_t *pParamInfo )
124 capela 187 {
125     const char *pszType;
126    
127     if (pParamInfo == NULL) {
128     printf("(nil)\n");
129 capela 188 return 1;
130 capela 187 }
131     switch (pParamInfo->type) {
132     case LSCP_TYPE_BOOL: pszType = "BOOL"; break;
133     case LSCP_TYPE_INT: pszType = "INT"; break;
134     case LSCP_TYPE_FLOAT: pszType = "FLOAT"; break;
135     case LSCP_TYPE_STRING: pszType = "STRING"; break;
136     default: pszType = "NONE"; break;
137     }
138     printf("{\n");
139     printf(" param_info.type = %d (%s)\n", (int) pParamInfo->type, pszType);
140     printf(" param_info.description = %s\n", pParamInfo->description);
141     printf(" param_info.mandatory = %d\n", pParamInfo->mandatory);
142     printf(" param_info.fix = %d\n", pParamInfo->fix);
143     printf(" param_info.multiplicity = %d\n", pParamInfo->multiplicity);
144     printf(" param_info.depends = "); client_test_szsplit(pParamInfo->depends);
145     printf(" param_info.defaultv = %s\n", pParamInfo->defaultv);
146     printf(" param_info.range_min = %s\n", pParamInfo->range_min);
147     printf(" param_info.range_max = %s\n", pParamInfo->range_max);
148     printf(" param_info.possibilities = "); client_test_szsplit(pParamInfo->possibilities);
149     printf(" }\n");
150 capela 188 return 0;
151 capela 187 }
152    
153 capela 189
154 capela 188 int client_test_driver_info ( lscp_driver_info_t *pDriverInfo )
155 capela 187 {
156     if (pDriverInfo == NULL) {
157     printf("(nil)\n");
158 capela 188 return 1;
159 capela 187 }
160     printf("{\n");
161     printf(" driver_info.description = %s\n", pDriverInfo->description);
162     printf(" driver_info.version = %s\n", pDriverInfo->version);
163     printf(" driver_info.parameters = "); client_test_szsplit(pDriverInfo->parameters);
164     printf(" }\n");
165 capela 188 return 0;
166 capela 187 }
167    
168 capela 189
169 capela 188 int client_test_device_info ( lscp_device_info_t *pDeviceInfo )
170 capela 187 {
171     if (pDeviceInfo == NULL) {
172     printf("(nil)\n");
173 capela 188 return 1;
174 capela 187 }
175     printf("{\n");
176     printf(" device_info.driver = %s\n", pDeviceInfo->driver);
177     printf(" device_info.params = "); client_test_params(pDeviceInfo->params);
178     printf(" }\n");
179 capela 188 return 0;
180 capela 187 }
181    
182 capela 189
183 capela 188 int client_test_device_port_info ( lscp_device_port_info_t *pDevicePortInfo )
184 capela 187 {
185     if (pDevicePortInfo == NULL) {
186     printf("(nil)\n");
187 capela 188 return 1;
188 capela 187 }
189     printf("{\n");
190     printf(" device_port_info.name = %s\n", pDevicePortInfo->name);
191     printf(" device_port_info.params = "); client_test_params(pDevicePortInfo->params);
192     printf(" }\n");
193 capela 188 return 0;
194 capela 187 }
195    
196 capela 189
197 capela 188 int client_test_engine_info ( lscp_engine_info_t *pEngineInfo )
198 capela 187 {
199     if (pEngineInfo == NULL) {
200     printf("(nil)\n");
201 capela 188 return 1;
202 capela 187 }
203     printf("{\n");
204     printf(" engine_info.description = %s\n", pEngineInfo->description);
205     printf(" engine_info.version = %s\n", pEngineInfo->version);
206     printf(" }\n");
207 capela 188 return 0;
208 capela 187 }
209    
210 capela 189
211 capela 188 int client_test_channel_info ( lscp_channel_info_t *pChannelInfo )
212 capela 187 {
213     if (pChannelInfo == NULL) {
214     printf("(nil)\n");
215 capela 188 return 1;
216 capela 187 }
217     printf("{\n");
218     printf(" channel_info.engine_name = %s\n", pChannelInfo->engine_name);
219     printf(" channel_info.audio_device = %d\n", pChannelInfo->audio_device);
220     printf(" channel_info.audio_channels = %d\n", pChannelInfo->audio_channels);
221     printf(" channel_info.audio_routing = "); client_test_szsplit(pChannelInfo->audio_routing);
222     printf(" channel_info.instrument_file = %s\n", pChannelInfo->instrument_file);
223     printf(" channel_info.instrument_nr = %d\n", pChannelInfo->instrument_nr);
224     printf(" channel_info.instrument_status = %d\n", pChannelInfo->instrument_status);
225     printf(" channel_info.midi_device = %d\n", pChannelInfo->midi_device);
226     printf(" channel_info.midi_port = %d\n", pChannelInfo->midi_port);
227     printf(" channel_info.midi_channel = %d\n", pChannelInfo->midi_channel);
228     printf(" channel_info.volume = %g\n", pChannelInfo->volume);
229     printf(" }\n");
230 capela 188 return 0;
231 capela 187 }
232    
233 capela 189
234 capela 188 int client_test_buffer_fill ( lscp_buffer_fill_t *pBufferFill )
235 capela 187 {
236 capela 188 if (pBufferFill == NULL) {
237     printf("(nil)\n");
238     return 1;
239     }
240 capela 187 printf("{ <%p> }\n", pBufferFill);
241 capela 188 return 0;
242 capela 187 }
243    
244 capela 189
245 capela 187 ////////////////////////////////////////////////////////////////////////
246    
247 capela 188 static int g_test_step = 0;
248     static int g_test_count = 0;
249     static int g_test_fails = 0;
250 capela 187
251 capela 188
252 capela 103 void client_test_start ( clock_t *pclk ) { *pclk = clock(); }
253     float client_test_elapsed ( clock_t *pclk ) { return (float) ((long) clock() - *pclk) / (float) CLOCKS_PER_SEC; }
254    
255 capela 187 typedef int * isplit;
256     typedef char ** szsplit;
257     typedef lscp_status_t status;
258     typedef lscp_driver_info_t * driver_info;
259     typedef lscp_device_info_t * device_info;
260     typedef lscp_device_port_info_t * device_port_info;
261     typedef lscp_param_info_t * param_info;
262     typedef lscp_engine_info_t * engine_info;
263     typedef lscp_channel_info_t * channel_info;
264     typedef lscp_buffer_fill_t * buffer_fill;
265 capela 103
266 capela 188 #define CLIENT_TEST(p, t, x) { clock_t c; void *v; g_test_count++; \
267 capela 187 printf("\n" #x ":\n"); client_test_start(&c); v = (void *) (x); \
268     printf(" elapsed=%gs errno=%d result='%s...' ret=", \
269     client_test_elapsed(&c), \
270     lscp_client_get_errno(p), \
271     lscp_client_get_result(p)); \
272 capela 188 if (client_test_##t((t)(v))) { g_test_fails++; getchar(); } \
273     else if (g_test_step) getchar(); }
274 capela 187
275    
276 capela 189 void client_test_engine ( lscp_client_t *pClient, const char *pszEngine, const char *pszAudioDriver, int iAudioDevice, const char *pszMidiDriver, int iMidiDevice )
277 capela 103 {
278 capela 189 int iSamplerChannel;
279    
280     printf("\n--- pszEngine=\"%s\" pszAudioDevice=\"%s\" iAudioDevice=%d pszMidiDevice=\"%s\" iMidiDevice=%d ---\n", pszEngine, pszAudioDriver, iAudioDevice, pszMidiDriver, iMidiDevice);
281     CLIENT_TEST(pClient, engine_info, lscp_get_engine_info(pClient, pszEngine));
282     CLIENT_TEST(pClient, int, lscp_get_channels(pClient));
283     CLIENT_TEST(pClient, isplit, lscp_list_channels(pClient));
284     CLIENT_TEST(pClient, int, iSamplerChannel = lscp_add_channel(pClient));
285     printf("\n--- iSamplerChannel=%d ---\n", iSamplerChannel);
286     CLIENT_TEST(pClient, channel_info, lscp_get_channel_info(pClient, iSamplerChannel));
287     CLIENT_TEST(pClient, status, lscp_load_engine(pClient, pszEngine, iSamplerChannel));
288     CLIENT_TEST(pClient, status, lscp_load_instrument(pClient, "DefaultInstrument.gig", 0, iSamplerChannel));
289     CLIENT_TEST(pClient, int, lscp_get_channel_voice_count(pClient, iSamplerChannel));
290     CLIENT_TEST(pClient, int, lscp_get_channel_stream_count(pClient, iSamplerChannel));
291     CLIENT_TEST(pClient, int, lscp_get_channel_stream_usage(pClient, iSamplerChannel));
292     CLIENT_TEST(pClient, buffer_fill, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_BYTES, iSamplerChannel));
293     CLIENT_TEST(pClient, buffer_fill, lscp_get_channel_buffer_fill(pClient, LSCP_USAGE_PERCENTAGE, iSamplerChannel));
294     CLIENT_TEST(pClient, status, lscp_set_channel_audio_type(pClient, iSamplerChannel, pszAudioDriver));
295     CLIENT_TEST(pClient, status, lscp_set_channel_audio_device(pClient, iSamplerChannel, 0));
296     CLIENT_TEST(pClient, status, lscp_set_channel_audio_channel(pClient, iSamplerChannel, 0, 1));
297     CLIENT_TEST(pClient, status, lscp_set_channel_midi_type(pClient, iSamplerChannel, pszMidiDriver));
298     CLIENT_TEST(pClient, status, lscp_set_channel_midi_device(pClient, iSamplerChannel, 0));
299     CLIENT_TEST(pClient, status, lscp_set_channel_midi_channel(pClient, iSamplerChannel, 0));
300     CLIENT_TEST(pClient, status, lscp_set_channel_midi_port(pClient, iSamplerChannel, 0));
301     CLIENT_TEST(pClient, status, lscp_set_channel_volume(pClient, iSamplerChannel, 0.5));
302     CLIENT_TEST(pClient, channel_info, lscp_get_channel_info(pClient, iSamplerChannel));
303     CLIENT_TEST(pClient, status, lscp_reset_channel(pClient, iSamplerChannel));
304     CLIENT_TEST(pClient, status, lscp_remove_channel(pClient, iSamplerChannel));
305     }
306    
307    
308     void client_test_midi_port ( lscp_client_t *pClient, int iMidiDevice, int iMidiPort )
309     {
310     lscp_device_port_info_t *pMidiPortInfo;
311     const char *pszParam;
312     int i;
313    
314     printf("\n--- iMidiDevice=%d iMidiPort=%d ---\n", iMidiDevice, iMidiPort);
315     CLIENT_TEST(pClient, device_port_info, pMidiPortInfo = lscp_get_midi_port_info(pClient, iMidiDevice, iMidiPort));
316     if (pMidiPortInfo && pMidiPortInfo->params) {
317     for (i = 0; pMidiPortInfo->params[i].key; i++) {
318     pszParam = pMidiPortInfo->params[i].key;
319     printf("\n--- iMidiDevice=%d iMidiPort=%d pszParam=\"%s\" ---\n", iMidiDevice, iMidiPort, pszParam);
320     CLIENT_TEST(pClient, param_info, lscp_get_midi_port_param_info(pClient, iMidiDevice, iMidiPort, pszParam));
321     }
322     }
323     }
324    
325    
326     void client_test_audio_channel ( lscp_client_t *pClient, int iAudioDevice, int iAudioChannel )
327     {
328     lscp_device_port_info_t *pAudioChannelInfo;
329     const char *pszParam;
330     int i;
331    
332     printf("\n--- iAudioDevice=%d iAudioChannel=%d ---\n", iAudioDevice, iAudioChannel);
333     CLIENT_TEST(pClient, device_port_info, pAudioChannelInfo = lscp_get_audio_channel_info(pClient, iAudioDevice, iAudioChannel));
334     if (pAudioChannelInfo && pAudioChannelInfo->params) {
335     for (i = 0; pAudioChannelInfo->params[i].key; i++) {
336     pszParam = pAudioChannelInfo->params[i].key;
337     printf("\n--- iAudioDevice=%d iAudioChannel=%d pszParam=\"%s\" ---\n", iAudioDevice, iAudioChannel, pszParam);
338     CLIENT_TEST(pClient, param_info, lscp_get_audio_channel_param_info(pClient, iAudioDevice, iAudioChannel, pszParam));
339     }
340     }
341     }
342    
343    
344     void client_test_midi_device ( lscp_client_t *pClient, int iMidiDevice )
345     {
346     lscp_device_info_t *pDeviceInfo;
347     const char *pszValue;
348     int iMidiPort, iMidiPorts;
349    
350     printf("\n--- iMidiDevice=%d ---\n", iMidiDevice);
351     CLIENT_TEST(pClient, device_info, pDeviceInfo = lscp_get_midi_device_info(pClient, iMidiDevice));
352     if (pDeviceInfo && pDeviceInfo->params) {
353     pszValue = lscp_get_param_value(pDeviceInfo->params, "ports");
354     if (pszValue) {
355     iMidiPorts = atoi(pszValue);
356     for (iMidiPort = 0; iMidiPort < iMidiPorts; iMidiPort++)
357     client_test_midi_port(pClient, iMidiDevice, iMidiPort);
358     }
359     }
360     }
361    
362    
363     void client_test_audio_device ( lscp_client_t *pClient, int iAudioDevice )
364     {
365     lscp_device_info_t *pDeviceInfo;
366     const char *pszValue;
367     int iAudioChannel, iAudioChannels;
368    
369     printf("\n--- iAudioDevice=%d ---\n", iAudioDevice);
370     CLIENT_TEST(pClient, device_info, pDeviceInfo = lscp_get_audio_device_info(pClient, iAudioDevice));
371     if (pDeviceInfo && pDeviceInfo->params) {
372     pszValue = lscp_get_param_value(pDeviceInfo->params, "channels");
373     if (pszValue) {
374     iAudioChannels = atoi(pszValue);
375     for (iAudioChannel = 0; iAudioChannel < iAudioChannels; iAudioChannel++)
376     client_test_audio_channel(pClient, iAudioDevice, iAudioChannel);
377     }
378     }
379     }
380    
381    
382     void client_test_midi_driver ( lscp_client_t *pClient, const char *pszMidiDriver )
383     {
384     lscp_driver_info_t *pDriverInfo;
385     const char *pszParam;
386     int i;
387    
388     printf("\n--- pszMidiDriver=\"%s\" ---\n", pszMidiDriver);
389     CLIENT_TEST(pClient, driver_info, pDriverInfo = lscp_get_midi_driver_info(pClient, pszMidiDriver));
390     if (pDriverInfo && pDriverInfo->parameters) {
391     for (i = 0; pDriverInfo->parameters[i]; i++) {
392     pszParam = pDriverInfo->parameters[i];
393     printf("\n--- pszMidiDriver=\"%s\" pszParam=\"%s\" ---\n", pszMidiDriver, pszParam);
394     CLIENT_TEST(pClient, param_info, lscp_get_midi_driver_param_info(pClient, pszMidiDriver, pszParam, NULL));
395     }
396     }
397     }
398    
399    
400     void client_test_audio_driver ( lscp_client_t *pClient, const char *pszAudioDriver )
401     {
402     lscp_driver_info_t *pDriverInfo;
403     const char *pszParam;
404     int i;
405    
406     printf("\n--- pszAudioDriver=\"%s\" ---\n", pszAudioDriver);
407     CLIENT_TEST(pClient, driver_info, pDriverInfo = lscp_get_audio_driver_info(pClient, pszAudioDriver));
408     if (pDriverInfo && pDriverInfo->parameters) {
409     for (i = 0; pDriverInfo->parameters[i]; i++) {
410     pszParam = pDriverInfo->parameters[i];
411     printf("\n--- pszAudioDriver=\"%s\" pszParam=\"%s\" ---\n", pszAudioDriver, pszParam);
412     CLIENT_TEST(pClient, param_info, lscp_get_audio_driver_param_info(pClient, pszAudioDriver, pszParam, NULL));
413     }
414     }
415     }
416    
417    
418 capela 213 void client_test_all ( lscp_client_t *pClient, int step )
419 capela 189 {
420 capela 103 const char **ppszAudioDrivers, **ppszMidiDrivers, **ppszEngines;
421     const char *pszAudioDriver, *pszMidiDriver, *pszEngine;
422     int iAudioDriver, iMidiDriver, iEngine;
423 capela 189 int iAudio, iAudioDevice, iMidi, iMidiDevice;
424     int iNewAudioDevice, iNewMidiDevice;
425     int *piAudioDevices, *piMidiDevices;
426 capela 103
427 capela 213 g_test_step = step;
428 capela 188 g_test_count = 0;
429     g_test_fails = 0;
430    
431 capela 187 CLIENT_TEST(pClient, szsplit, ppszAudioDrivers = lscp_get_available_audio_drivers(pClient));
432 capela 103 if (ppszAudioDrivers == NULL) {
433     fprintf(stderr, "client_test: No audio drivers available.\n");
434     return;
435     }
436    
437 capela 187 CLIENT_TEST(pClient, szsplit, ppszMidiDrivers = lscp_get_available_midi_drivers(pClient));
438 capela 103 if (ppszMidiDrivers == NULL) {
439     fprintf(stderr, "client_test: No MIDI drivers available.\n");
440     return;
441     }
442    
443 capela 187 CLIENT_TEST(pClient, szsplit, ppszEngines = lscp_get_available_engines(pClient));
444 capela 103 if (ppszEngines == NULL) {
445     fprintf(stderr, "client_test: No engines available.\n");
446     return;
447     }
448    
449     for (iAudioDriver = 0; ppszAudioDrivers[iAudioDriver]; iAudioDriver++) {
450 capela 189 pszAudioDriver = ppszAudioDrivers[iAudioDriver];
451     client_test_audio_driver(pClient, pszAudioDriver);
452     CLIENT_TEST(pClient, int, iNewAudioDevice = lscp_create_audio_device(pClient, pszAudioDriver, NULL));
453     CLIENT_TEST(pClient, int, lscp_get_audio_devices(pClient));
454     CLIENT_TEST(pClient, isplit, piAudioDevices = lscp_list_audio_devices(pClient));
455     for (iAudio = 0; piAudioDevices && piAudioDevices[iAudio] >= 0; iAudio++) {
456     iAudioDevice = piAudioDevices[iAudio];
457     client_test_audio_device(pClient, iAudioDevice);
458     for (iMidiDriver = 0; ppszMidiDrivers[iMidiDriver]; iMidiDriver++) {
459     pszMidiDriver = ppszMidiDrivers[iMidiDriver];
460     client_test_midi_driver(pClient, pszMidiDriver);
461     CLIENT_TEST(pClient, int, iNewMidiDevice = lscp_create_midi_device(pClient, pszMidiDriver, NULL));
462     CLIENT_TEST(pClient, int, lscp_get_midi_devices(pClient));
463     CLIENT_TEST(pClient, isplit, piMidiDevices = lscp_list_midi_devices(pClient));
464     for (iMidi = 0; piMidiDevices && piMidiDevices[iMidi] >= 0; iMidi++) {
465     iMidiDevice = piMidiDevices[iMidi];
466     client_test_midi_device(pClient, iMidiDevice);
467     for (iEngine = 0; ppszEngines[iEngine]; iEngine++) {
468     pszEngine = ppszEngines[iEngine];
469     client_test_engine(pClient, pszEngine, pszAudioDriver, iAudioDevice, pszMidiDriver, iMidiDevice);
470     }
471     }
472     CLIENT_TEST(pClient, status, lscp_destroy_midi_device(pClient, iNewMidiDevice));
473     }
474     }
475     CLIENT_TEST(pClient, status, lscp_destroy_audio_device(pClient, iNewAudioDevice));
476 capela 103 }
477 capela 213
478     CLIENT_TEST(pClient, status, lscp_reset_sampler(pClient));
479    
480 capela 189 printf("\n\n");
481 capela 188 printf(" Total: %d tests, %d failed.\n\n", g_test_count, g_test_fails);
482 capela 103 }
483    
484 capela 189
485 capela 103 ////////////////////////////////////////////////////////////////////////
486    
487     void client_usage (void)
488     {
489     printf("\n %s %s (Build: %s)\n", lscp_client_package(), lscp_client_version(), lscp_client_build());
490    
491 capela 188 fputs("\n Available commands: help, test[step], exit, quit, subscribe, unsubscribe", stdout);
492 capela 103 fputs("\n (all else are sent verbatim to server)\n\n", stdout);
493    
494     }
495    
496     void client_prompt (void)
497     {
498     fputs("lscp_client> ", stdout);
499     }
500    
501     int main (int argc, char *argv[] )
502     {
503     lscp_client_t *pClient;
504     char *pszHost = "localhost";
505     char szLine[1024];
506     int cchLine;
507     lscp_status_t ret;
508    
509     #if defined(WIN32)
510     if (WSAStartup(MAKEWORD(1, 1), &_wsaData) != 0) {
511     fprintf(stderr, "lscp_client: WSAStartup failed.\n");
512     return -1;
513     }
514     #endif
515    
516     if (argc > 1)
517     pszHost = argv[1];
518    
519     pClient = lscp_client_create(pszHost, SERVER_PORT, client_callback, NULL);
520     if (pClient == NULL)
521     return -1;
522    
523     client_usage();
524     client_prompt();
525    
526     while (fgets(szLine, sizeof(szLine) - 3, stdin)) {
527    
528     cchLine = strlen(szLine);
529     while (cchLine > 0 && (szLine[cchLine - 1] == '\n' || szLine[cchLine - 1] == '\r'))
530     cchLine--;
531     szLine[cchLine] = '\0';
532    
533     if (strcmp(szLine, "exit") == 0 || strcmp(szLine, "quit") == 0)
534     break;
535     else
536     if (strcmp(szLine, "subscribe") == 0)
537 capela 146 lscp_client_subscribe(pClient, LSCP_EVENT_MISCELLANEOUS);
538 capela 103 else
539     if (strcmp(szLine, "unsubscribe") == 0)
540 capela 146 lscp_client_unsubscribe(pClient, LSCP_EVENT_MISCELLANEOUS);
541 capela 103 else
542     if (strcmp(szLine, "test") == 0)
543 capela 213 client_test_all(pClient, 0);
544 capela 103 else
545 capela 213 if (strcmp(szLine, "teststep") == 0 || strcmp(szLine, "test step") == 0)
546     client_test_all(pClient, 1);
547 capela 187 else
548 capela 103 if (cchLine > 0 && strcmp(szLine, "help") != 0) {
549     szLine[cchLine++] = '\r';
550     szLine[cchLine++] = '\n';
551     szLine[cchLine] = '\0';
552     ret = lscp_client_query(pClient, szLine);
553     printf("%s\n(errno = %d)\n", lscp_client_get_result(pClient), lscp_client_get_errno(pClient));
554     if (ret == LSCP_QUIT)
555     break;
556     }
557     else client_usage();
558    
559     client_prompt();
560     }
561    
562     lscp_client_destroy(pClient);
563    
564     #if defined(WIN32)
565     WSACleanup();
566     #endif
567    
568     return 0;
569     }
570    
571     // end of example_client.c
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