40 |
static void _lscp_client_evt_proc ( void *pvClient ) |
static void _lscp_client_evt_proc ( void *pvClient ) |
41 |
{ |
{ |
42 |
lscp_client_t *pClient = (lscp_client_t *) pvClient; |
lscp_client_t *pClient = (lscp_client_t *) pvClient; |
43 |
char achBuffer[LSCP_BUFSIZ]; |
|
44 |
int cchBuffer; |
fd_set fds; // File descriptor list for select(). |
45 |
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int fd, fdmax; // Maximum file descriptor number. |
46 |
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struct timeval tv; // For specifying a timeout value. |
47 |
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int iSelect; // Holds select return status. |
48 |
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int iTimeout; |
49 |
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|
50 |
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char achBuffer[LSCP_BUFSIZ]; |
51 |
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int cchBuffer; |
52 |
const char *pszSeps = ":\r\n"; |
const char *pszSeps = ":\r\n"; |
53 |
char *pszToken; |
char * pszToken; |
54 |
char *pch; |
char * pch; |
55 |
int cchToken; |
int cchToken; |
56 |
lscp_event_t event; |
lscp_event_t event; |
57 |
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|
58 |
#ifdef DEBUG |
#ifdef DEBUG |
60 |
#endif |
#endif |
61 |
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|
62 |
while (pClient->evt.iState) { |
while (pClient->evt.iState) { |
63 |
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|
64 |
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// Prepare for waiting on select... |
65 |
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fd = (int) pClient->evt.sock; |
66 |
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FD_ZERO(&fds); |
67 |
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FD_SET((unsigned int) fd, &fds); |
68 |
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fdmax = fd; |
69 |
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|
70 |
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// Use the timeout (x10) select feature ... |
71 |
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iTimeout = 10 * pClient->iTimeout; |
72 |
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if (iTimeout > 1000) { |
73 |
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tv.tv_sec = iTimeout / 1000; |
74 |
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iTimeout -= tv.tv_sec * 1000; |
75 |
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} |
76 |
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else tv.tv_sec = 0; |
77 |
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tv.tv_usec = iTimeout * 1000; |
78 |
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|
79 |
// Wait for event... |
// Wait for event... |
80 |
cchBuffer = recv(pClient->evt.sock, achBuffer, sizeof(achBuffer), 0); |
iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
81 |
if (cchBuffer > 0) { |
if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
82 |
// Make sure received buffer it's null terminated. |
// May recv now... |
83 |
achBuffer[cchBuffer] = (char) 0; |
cchBuffer = recv(pClient->evt.sock, achBuffer, sizeof(achBuffer), 0); |
84 |
// Parse for the notification event message... |
if (cchBuffer > 0) { |
85 |
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
// Make sure received buffer it's null terminated. |
86 |
if (strcasecmp(pszToken, "NOTIFY") == 0) { |
achBuffer[cchBuffer] = (char) 0; |
87 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
// Parse for the notification event message... |
88 |
event = lscp_event_from_text(pszToken); |
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
89 |
// And pick the rest of data... |
if (strcasecmp(pszToken, "NOTIFY") == 0) { |
90 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
91 |
cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
event = lscp_event_from_text(pszToken); |
92 |
// Double-check if we're really up to it... |
// And pick the rest of data... |
93 |
if (pClient->events & event) { |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
94 |
// Invoke the client event callback... |
cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
95 |
if ((*pClient->pfnCallback)( |
// Double-check if we're really up to it... |
96 |
pClient, |
if (pClient->events & event) { |
97 |
event, |
// Invoke the client event callback... |
98 |
pszToken, |
if ((*pClient->pfnCallback)( |
99 |
cchToken, |
pClient, |
100 |
pClient->pvData) != LSCP_OK) { |
event, |
101 |
pClient->evt.iState = 0; |
pszToken, |
102 |
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cchToken, |
103 |
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pClient->pvData) != LSCP_OK) { |
104 |
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pClient->evt.iState = 0; |
105 |
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} |
106 |
} |
} |
107 |
} |
} |
108 |
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} else { |
109 |
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lscp_socket_perror("_lscp_client_evt_proc: recv"); |
110 |
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pClient->evt.iState = 0; |
111 |
} |
} |
112 |
} else { |
} // Check if select has in error. |
113 |
lscp_socket_perror("_lscp_client_evt_proc: recv"); |
else if (iSelect < 0) { |
114 |
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lscp_socket_perror("_lscp_client_call: select"); |
115 |
pClient->evt.iState = 0; |
pClient->evt.iState = 0; |
116 |
} |
} |
117 |
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118 |
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// Finally, always signal the event. |
119 |
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lscp_cond_signal(pClient->cond); |
120 |
} |
} |
121 |
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|
122 |
#ifdef DEBUG |
#ifdef DEBUG |
196 |
return LSCP_FAILED; |
return LSCP_FAILED; |
197 |
} |
} |
198 |
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|
199 |
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// Wait on response. |
200 |
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lscp_cond_wait(pClient->cond, pClient->mutex); |
201 |
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|
202 |
// Update as naively as we can... |
// Update as naively as we can... |
203 |
if (iSubscribe) |
if (iSubscribe) |
204 |
pClient->events |= event; |
pClient->events |= event; |
327 |
pClient->midi_devices = NULL; |
pClient->midi_devices = NULL; |
328 |
pClient->engines = NULL; |
pClient->engines = NULL; |
329 |
pClient->channels = NULL; |
pClient->channels = NULL; |
330 |
lscp_driver_info_init(&(pClient->audio_info)); |
lscp_driver_info_init(&(pClient->audio_driver_info)); |
331 |
lscp_driver_info_init(&(pClient->midi_info)); |
lscp_driver_info_init(&(pClient->midi_driver_info)); |
332 |
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lscp_device_info_init(&(pClient->audio_device_info)); |
333 |
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lscp_device_info_init(&(pClient->midi_device_info)); |
334 |
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lscp_param_info_init(&(pClient->audio_param_info)); |
335 |
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lscp_param_info_init(&(pClient->midi_param_info)); |
336 |
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lscp_device_port_info_init(&(pClient->audio_channel_info)); |
337 |
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lscp_device_port_info_init(&(pClient->midi_port_info)); |
338 |
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lscp_param_info_init(&(pClient->audio_channel_param_info)); |
339 |
|
lscp_param_info_init(&(pClient->midi_port_param_info)); |
340 |
lscp_engine_info_init(&(pClient->engine_info)); |
lscp_engine_info_init(&(pClient->engine_info)); |
341 |
lscp_channel_info_init(&(pClient->channel_info)); |
lscp_channel_info_init(&(pClient->channel_info)); |
342 |
// Initialize error stuff. |
// Initialize error stuff. |
350 |
|
|
351 |
// Initialize the transaction mutex. |
// Initialize the transaction mutex. |
352 |
lscp_mutex_init(pClient->mutex); |
lscp_mutex_init(pClient->mutex); |
353 |
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lscp_cond_init(pClient->cond); |
354 |
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|
355 |
// Finally we've some success... |
// Finally we've some success... |
356 |
return pClient; |
return pClient; |
398 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
399 |
|
|
400 |
// Free up all cached members. |
// Free up all cached members. |
401 |
lscp_channel_info_reset(&(pClient->channel_info)); |
lscp_channel_info_free(&(pClient->channel_info)); |
402 |
lscp_engine_info_reset(&(pClient->engine_info)); |
lscp_engine_info_free(&(pClient->engine_info)); |
403 |
lscp_driver_info_reset(&(pClient->midi_info)); |
lscp_param_info_free(&(pClient->midi_port_param_info)); |
404 |
lscp_driver_info_reset(&(pClient->audio_info)); |
lscp_param_info_free(&(pClient->audio_channel_param_info)); |
405 |
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lscp_device_port_info_free(&(pClient->midi_port_info)); |
406 |
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lscp_device_port_info_free(&(pClient->audio_channel_info)); |
407 |
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lscp_param_info_free(&(pClient->midi_param_info)); |
408 |
|
lscp_param_info_free(&(pClient->audio_param_info)); |
409 |
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lscp_device_info_free(&(pClient->midi_device_info)); |
410 |
|
lscp_device_info_free(&(pClient->audio_device_info)); |
411 |
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lscp_driver_info_free(&(pClient->midi_driver_info)); |
412 |
|
lscp_driver_info_free(&(pClient->audio_driver_info)); |
413 |
// Free available engine table. |
// Free available engine table. |
414 |
lscp_szsplit_destroy(pClient->audio_drivers); |
lscp_szsplit_destroy(pClient->audio_drivers); |
415 |
lscp_szsplit_destroy(pClient->midi_drivers); |
lscp_szsplit_destroy(pClient->midi_drivers); |
423 |
pClient->engines = NULL; |
pClient->engines = NULL; |
424 |
// Free result error stuff. |
// Free result error stuff. |
425 |
lscp_client_set_result(pClient, NULL, 0); |
lscp_client_set_result(pClient, NULL, 0); |
426 |
// Frre stream usage stuff. |
// Free stream usage stuff. |
427 |
if (pClient->buffer_fill) |
if (pClient->buffer_fill) |
428 |
free(pClient->buffer_fill); |
free(pClient->buffer_fill); |
429 |
pClient->buffer_fill = NULL; |
pClient->buffer_fill = NULL; |
437 |
// Last but not least, free good ol'transaction mutex. |
// Last but not least, free good ol'transaction mutex. |
438 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
439 |
lscp_mutex_destroy(pClient->mutex); |
lscp_mutex_destroy(pClient->mutex); |
440 |
|
lscp_cond_destroy(pClient->cond); |
441 |
|
|
442 |
free(pClient); |
free(pClient); |
443 |
|
|
1042 |
* Current number of active disk streams: |
* Current number of active disk streams: |
1043 |
* GET CHANNEL STREAM_COUNT <sampler-channel> |
* GET CHANNEL STREAM_COUNT <sampler-channel> |
1044 |
* |
* |
1045 |
|
* @param pClient Pointer to client instance structure. |
1046 |
|
* @param iSamplerChannel Sampler channel number. |
1047 |
|
* |
1048 |
* @returns The number of active disk streams on success, -1 otherwise. |
* @returns The number of active disk streams on success, -1 otherwise. |
1049 |
*/ |
*/ |
1050 |
int lscp_get_channel_stream_count ( lscp_client_t *pClient, int iSamplerChannel ) |
int lscp_get_channel_stream_count ( lscp_client_t *pClient, int iSamplerChannel ) |
1069 |
} |
} |
1070 |
|
|
1071 |
|
|
1072 |
|
/** |
1073 |
|
* Current least usage of active disk streams. |
1074 |
|
* |
1075 |
|
* @param pClient Pointer to client instance structure. |
1076 |
|
* @param iSamplerChannel Sampler channel number. |
1077 |
|
* |
1078 |
|
* @returns The usage percentage of the least filled active disk stream |
1079 |
|
* on success, -1 otherwise. |
1080 |
|
*/ |
1081 |
|
int lscp_get_channel_stream_usage ( lscp_client_t *pClient, int iSamplerChannel ) |
1082 |
|
{ |
1083 |
|
char szQuery[LSCP_BUFSIZ]; |
1084 |
|
int iStreamUsage = -1; |
1085 |
|
const char *pszResult; |
1086 |
|
const char *pszSeps = "[]%,"; |
1087 |
|
char *pszToken; |
1088 |
|
char *pch; |
1089 |
|
int iStream; |
1090 |
|
int iPercent; |
1091 |
|
|
1092 |
|
if (iSamplerChannel < 0) |
1093 |
|
return iStreamUsage; |
1094 |
|
|
1095 |
|
// Lock this section up. |
1096 |
|
lscp_mutex_lock(pClient->mutex); |
1097 |
|
|
1098 |
|
iStream = 0; |
1099 |
|
sprintf(szQuery, "GET CHANNEL BUFFER_FILL PERCENTAGE %d\r\n", iSamplerChannel); |
1100 |
|
if (lscp_client_call(pClient, szQuery) == LSCP_OK) { |
1101 |
|
pszResult = lscp_client_get_result(pClient); |
1102 |
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1103 |
|
while (pszToken) { |
1104 |
|
if (*pszToken) { |
1105 |
|
// Skip stream id. |
1106 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1107 |
|
if (pszToken == NULL) |
1108 |
|
break; |
1109 |
|
// Get least buffer fill percentage. |
1110 |
|
iPercent = atol(pszToken); |
1111 |
|
if (iStreamUsage > iPercent || iStream == 0) |
1112 |
|
iStreamUsage = iPercent; |
1113 |
|
iStream++; |
1114 |
|
} |
1115 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1116 |
|
} |
1117 |
|
} |
1118 |
|
|
1119 |
|
// Unlock this section down. |
1120 |
|
lscp_mutex_unlock(pClient->mutex); |
1121 |
|
|
1122 |
|
return iStreamUsage; |
1123 |
|
} |
1124 |
|
|
1125 |
|
|
1126 |
/** |
/** |
1127 |
* Current fill state of disk stream buffers: |
* Current fill state of disk stream buffers: |
1128 |
* GET CHANNEL BUFFER_FILL {BYTES|PERCENTAGE} <sampler-channel> |
* GET CHANNEL BUFFER_FILL {BYTES|PERCENTAGE} <sampler-channel> |