28 |
|
|
29 |
// Local prototypes. |
// Local prototypes. |
30 |
|
|
31 |
static void _lscp_client_set_result (lscp_client_t *pClient, char *pszResult, int iErrno); |
static void _lscp_client_evt_proc (void *pvClient); |
|
static void _lscp_client_udp_proc (void *pvClient); |
|
32 |
|
|
33 |
|
static lscp_status_t _lscp_client_evt_connect (lscp_client_t *pClient); |
34 |
//------------------------------------------------------------------------- |
static lscp_status_t _lscp_client_evt_request (lscp_client_t *pClient, int iSubscribe, lscp_event_t event); |
|
// Helper functions. |
|
|
|
|
|
// Result buffer internal settler. |
|
|
static void _lscp_client_set_result ( lscp_client_t *pClient, char *pszResult, int iErrno ) |
|
|
{ |
|
|
if (pClient->pszResult) |
|
|
free(pClient->pszResult); |
|
|
pClient->pszResult = NULL; |
|
|
|
|
|
pClient->iErrno = iErrno; |
|
|
|
|
|
if (pszResult) |
|
|
pClient->pszResult = strdup(lscp_ltrim(pszResult)); |
|
|
} |
|
35 |
|
|
36 |
|
|
37 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
38 |
// UDP service (datagram oriented). |
// Event service (datagram oriented). |
39 |
|
|
40 |
static void _lscp_client_udp_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; |
|
struct sockaddr_in addr; |
|
|
int cAddr; |
|
43 |
char achBuffer[LSCP_BUFSIZ]; |
char achBuffer[LSCP_BUFSIZ]; |
44 |
int cchBuffer; |
int cchBuffer; |
45 |
const char *pszSeps = " \r\n"; |
const char *pszSeps = ":\r\n"; |
46 |
char *pszToken; |
char *pszToken; |
47 |
char *pch; |
char *pch; |
48 |
|
int cchToken; |
49 |
|
lscp_event_t event; |
50 |
|
|
51 |
#ifdef DEBUG |
#ifdef DEBUG |
52 |
fprintf(stderr, "_lscp_client_udp_proc: Client waiting for events.\n"); |
fprintf(stderr, "_lscp_client_evt_proc: Client waiting for events.\n"); |
53 |
#endif |
#endif |
54 |
|
|
55 |
while (pClient->udp.iState) { |
while (pClient->evt.iState) { |
56 |
cAddr = sizeof(struct sockaddr_in); |
// Wait for event... |
57 |
cchBuffer = recvfrom(pClient->udp.sock, achBuffer, sizeof(achBuffer), 0, (struct sockaddr *) &addr, &cAddr); |
cchBuffer = recv(pClient->evt.sock, achBuffer, sizeof(achBuffer), 0); |
58 |
if (cchBuffer > 0) { |
if (cchBuffer > 0) { |
59 |
#ifdef DEBUG |
// Make sure received buffer it's null terminated. |
60 |
lscp_socket_trace("_lscp_client_udp_proc: recvfrom", &addr, achBuffer, cchBuffer); |
achBuffer[cchBuffer] = (char) 0; |
61 |
#endif |
// Parse for the notification event message... |
62 |
if (strncasecmp(achBuffer, "PING ", 5) == 0) { |
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
63 |
// Make sure received buffer it's null terminated. |
if (strcasecmp(pszToken, "NOTIFY") == 0) { |
64 |
achBuffer[cchBuffer] = (char) 0; |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
65 |
lscp_strtok(achBuffer, pszSeps, &(pch)); // Skip "PING" |
event = lscp_event_from_text(pszToken); |
66 |
lscp_strtok(NULL, pszSeps, &(pch)); // Skip port (must be the same as in addr) |
// And pick the rest of data... |
67 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); // Have session-id. |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
68 |
if (pszToken) { |
cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
69 |
// Set now client's session-id, if not already |
// Double-check if we're really up to it... |
70 |
if (pClient->sessid == NULL) |
if (pClient->events & event) { |
71 |
pClient->sessid = strdup(pszToken); |
// Invoke the client event callback... |
72 |
if (pClient->sessid && strcmp(pszToken, pClient->sessid) == 0) { |
if ((*pClient->pfnCallback)( |
73 |
sprintf(achBuffer, "PONG %s\r\n", pClient->sessid); |
pClient, |
74 |
cchBuffer = strlen(achBuffer); |
event, |
75 |
if (sendto(pClient->udp.sock, achBuffer, cchBuffer, 0, (struct sockaddr *) &addr, cAddr) < cchBuffer) |
pszToken, |
76 |
lscp_socket_perror("_lscp_client_udp_proc: sendto"); |
cchToken, |
77 |
#ifdef DEBUG |
pClient->pvData) != LSCP_OK) { |
78 |
fprintf(stderr, "> %s", achBuffer); |
pClient->evt.iState = 0; |
|
#endif |
|
79 |
} |
} |
80 |
} |
} |
|
// Done with life proof. |
|
|
} else { |
|
|
// |
|
|
if ((*pClient->pfnCallback)( |
|
|
pClient, |
|
|
achBuffer, |
|
|
cchBuffer, |
|
|
pClient->pvData) != LSCP_OK) { |
|
|
pClient->udp.iState = 0; |
|
|
} |
|
81 |
} |
} |
82 |
} else { |
} else { |
83 |
lscp_socket_perror("_lscp_client_udp_proc: recvfrom"); |
lscp_socket_perror("_lscp_client_evt_proc: recv"); |
84 |
pClient->udp.iState = 0; |
pClient->evt.iState = 0; |
85 |
} |
} |
86 |
} |
} |
87 |
|
|
88 |
#ifdef DEBUG |
#ifdef DEBUG |
89 |
fprintf(stderr, "_lscp_client_udp_proc: Client closing.\n"); |
fprintf(stderr, "_lscp_client_evt_proc: Client closing.\n"); |
90 |
#endif |
#endif |
91 |
} |
} |
92 |
|
|
93 |
|
|
94 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
95 |
|
// Event subscription helpers. |
96 |
|
|
97 |
|
// Open the event service socket connection. |
98 |
|
static lscp_status_t _lscp_client_evt_connect ( lscp_client_t *pClient ) |
99 |
|
{ |
100 |
|
lscp_socket_t sock; |
101 |
|
struct sockaddr_in addr; |
102 |
|
int cAddr; |
103 |
|
#if defined(WIN32) |
104 |
|
int iSockOpt = (-1); |
105 |
|
#endif |
106 |
|
|
107 |
|
// Prepare the event connection socket... |
108 |
|
sock = socket(AF_INET, SOCK_STREAM, 0); |
109 |
|
if (sock == INVALID_SOCKET) { |
110 |
|
lscp_socket_perror("_lscp_client_evt_connect: socket"); |
111 |
|
return LSCP_FAILED; |
112 |
|
} |
113 |
|
|
114 |
|
#if defined(WIN32) |
115 |
|
if (setsockopt(sock, SOL_SOCKET, SO_DONTLINGER, (char *) &iSockOpt, sizeof(int)) == SOCKET_ERROR) |
116 |
|
lscp_socket_perror("lscp_client_evt_connect: setsockopt(SO_DONTLINGER)"); |
117 |
|
#endif |
118 |
|
|
119 |
|
#ifdef DEBUG |
120 |
|
lscp_socket_getopts("_lscp_client_evt_connect:", sock); |
121 |
|
#endif |
122 |
|
|
123 |
|
// Use same address of the command connection. |
124 |
|
cAddr = sizeof(struct sockaddr_in); |
125 |
|
memmove((char *) &addr, &(pClient->cmd.addr), cAddr); |
126 |
|
|
127 |
|
// Start the connection... |
128 |
|
if (connect(sock, (struct sockaddr *) &addr, cAddr) == SOCKET_ERROR) { |
129 |
|
lscp_socket_perror("_lscp_client_evt_connect: connect"); |
130 |
|
closesocket(sock); |
131 |
|
return LSCP_FAILED; |
132 |
|
} |
133 |
|
|
134 |
|
// Set our socket agent struct... |
135 |
|
lscp_socket_agent_init(&(pClient->evt), sock, &addr, cAddr); |
136 |
|
|
137 |
|
// And finally the service thread... |
138 |
|
return lscp_socket_agent_start(&(pClient->evt), _lscp_client_evt_proc, pClient, 0); |
139 |
|
} |
140 |
|
|
141 |
|
|
142 |
|
// Subscribe to a single event. |
143 |
|
static lscp_status_t _lscp_client_evt_request ( lscp_client_t *pClient, int iSubscribe, lscp_event_t event ) |
144 |
|
{ |
145 |
|
const char *pszEvent; |
146 |
|
char szQuery[LSCP_BUFSIZ]; |
147 |
|
int cchQuery; |
148 |
|
|
149 |
|
if (pClient == NULL) |
150 |
|
return LSCP_FAILED; |
151 |
|
|
152 |
|
// Which (single) event? |
153 |
|
pszEvent = lscp_event_to_text(event); |
154 |
|
if (pszEvent == NULL) |
155 |
|
return LSCP_FAILED; |
156 |
|
|
157 |
|
// Build the query string... |
158 |
|
cchQuery = sprintf(szQuery, "%sSUBSCRIBE %s\n\n", (iSubscribe == 0 ? "UN" : ""), pszEvent); |
159 |
|
// Just send data, forget result... |
160 |
|
if (send(pClient->evt.sock, szQuery, cchQuery, 0) < cchQuery) { |
161 |
|
lscp_socket_perror("_lscp_client_evt_request: send"); |
162 |
|
return LSCP_FAILED; |
163 |
|
} |
164 |
|
|
165 |
|
// Update as naively as we can... |
166 |
|
if (iSubscribe) |
167 |
|
pClient->events |= event; |
168 |
|
else |
169 |
|
pClient->events &= ~event; |
170 |
|
|
171 |
|
return LSCP_OK; |
172 |
|
} |
173 |
|
|
174 |
|
|
175 |
|
//------------------------------------------------------------------------- |
176 |
// Client versioning teller fuunction. |
// Client versioning teller fuunction. |
177 |
|
|
178 |
|
|
210 |
lscp_socket_t sock; |
lscp_socket_t sock; |
211 |
struct sockaddr_in addr; |
struct sockaddr_in addr; |
212 |
int cAddr; |
int cAddr; |
213 |
|
#if defined(WIN32) |
214 |
int iSockOpt = (-1); |
int iSockOpt = (-1); |
215 |
|
#endif |
216 |
|
|
217 |
if (pfnCallback == NULL) { |
if (pfnCallback == NULL) { |
218 |
fprintf(stderr, "lscp_client_create: Invalid client callback function.\n"); |
fprintf(stderr, "lscp_client_create: Invalid client callback function.\n"); |
241 |
fprintf(stderr, "lscp_client_create: pClient=%p: pszHost=%s iPort=%d.\n", pClient, pszHost, iPort); |
fprintf(stderr, "lscp_client_create: pClient=%p: pszHost=%s iPort=%d.\n", pClient, pszHost, iPort); |
242 |
#endif |
#endif |
243 |
|
|
244 |
// Prepare the TCP connection socket... |
// Prepare the command connection socket... |
245 |
|
|
246 |
sock = socket(AF_INET, SOCK_STREAM, 0); |
sock = socket(AF_INET, SOCK_STREAM, 0); |
247 |
if (sock == INVALID_SOCKET) { |
if (sock == INVALID_SOCKET) { |
248 |
lscp_socket_perror("lscp_client_create: tcp: socket"); |
lscp_socket_perror("lscp_client_create: cmd: socket"); |
249 |
free(pClient); |
free(pClient); |
250 |
return NULL; |
return NULL; |
251 |
} |
} |
252 |
|
|
253 |
#if defined(WIN32) |
#if defined(WIN32) |
254 |
if (setsockopt(sock, SOL_SOCKET, SO_DONTLINGER, (char *) &iSockOpt, sizeof(int)) == SOCKET_ERROR) |
if (setsockopt(sock, SOL_SOCKET, SO_DONTLINGER, (char *) &iSockOpt, sizeof(int)) == SOCKET_ERROR) |
255 |
lscp_socket_perror("lscp_client_create: tcp: setsockopt(SO_DONTLINGER)"); |
lscp_socket_perror("lscp_client_create: cmd: setsockopt(SO_DONTLINGER)"); |
256 |
#endif |
#endif |
257 |
|
|
258 |
#ifdef DEBUG |
#ifdef DEBUG |
259 |
lscp_socket_getopts("lscp_client_create: tcp", sock); |
lscp_socket_getopts("lscp_client_create: cmd", sock); |
260 |
#endif |
#endif |
261 |
|
|
262 |
cAddr = sizeof(struct sockaddr_in); |
cAddr = sizeof(struct sockaddr_in); |
266 |
addr.sin_port = htons((short) iPort); |
addr.sin_port = htons((short) iPort); |
267 |
|
|
268 |
if (connect(sock, (struct sockaddr *) &addr, cAddr) == SOCKET_ERROR) { |
if (connect(sock, (struct sockaddr *) &addr, cAddr) == SOCKET_ERROR) { |
269 |
lscp_socket_perror("lscp_client_create: tcp: connect"); |
lscp_socket_perror("lscp_client_create: cmd: connect"); |
270 |
closesocket(sock); |
closesocket(sock); |
271 |
free(pClient); |
free(pClient); |
272 |
return NULL; |
return NULL; |
273 |
} |
} |
274 |
|
|
275 |
lscp_socket_agent_init(&(pClient->tcp), sock, &addr, cAddr); |
// Initialize the command socket agent struct... |
276 |
|
lscp_socket_agent_init(&(pClient->cmd), sock, &addr, cAddr); |
277 |
|
|
278 |
#ifdef DEBUG |
#ifdef DEBUG |
279 |
fprintf(stderr, "lscp_client_create: tcp: pClient=%p: sock=%d addr=%s port=%d.\n", pClient, pClient->tcp.sock, inet_ntoa(pClient->tcp.addr.sin_addr), ntohs(pClient->tcp.addr.sin_port)); |
fprintf(stderr, "lscp_client_create: cmd: pClient=%p: sock=%d addr=%s port=%d.\n", pClient, pClient->cmd.sock, inet_ntoa(pClient->cmd.addr.sin_addr), ntohs(pClient->cmd.addr.sin_port)); |
280 |
#endif |
#endif |
281 |
|
|
282 |
// Prepare the UDP datagram service socket... |
// Initialize the event service socket struct... |
283 |
|
lscp_socket_agent_init(&(pClient->evt), INVALID_SOCKET, NULL, 0); |
284 |
sock = socket(AF_INET, SOCK_DGRAM, 0); |
// No events subscribed, yet. |
285 |
if (sock == INVALID_SOCKET) { |
pClient->events = LSCP_EVENT_NONE; |
|
lscp_socket_perror("lscp_client_create: udp: socket"); |
|
|
lscp_socket_agent_free(&(pClient->tcp)); |
|
|
free(pClient); |
|
|
return NULL; |
|
|
} |
|
|
|
|
|
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char *) &iSockOpt, sizeof(int)) == SOCKET_ERROR) |
|
|
lscp_socket_perror("lscp_client_create: udp: setsockopt(SO_REUSEADDR)"); |
|
|
|
|
|
#ifdef DEBUG |
|
|
lscp_socket_getopts("lscp_client_create: udp", sock); |
|
|
#endif |
|
|
|
|
|
cAddr = sizeof(struct sockaddr_in); |
|
|
memset((char *) &addr, 0, cAddr); |
|
|
addr.sin_family = AF_INET; |
|
|
addr.sin_addr.s_addr = htonl(INADDR_ANY); |
|
|
addr.sin_port = htons(0); |
|
|
|
|
|
if (bind(sock, (const struct sockaddr *) &addr, cAddr) == SOCKET_ERROR) { |
|
|
lscp_socket_perror("lscp_client_create: udp: bind"); |
|
|
lscp_socket_agent_free(&(pClient->tcp)); |
|
|
closesocket(sock); |
|
|
free(pClient); |
|
|
return NULL; |
|
|
} |
|
|
|
|
|
if (getsockname(sock, (struct sockaddr *) &addr, &cAddr) == SOCKET_ERROR) { |
|
|
lscp_socket_perror("lscp_client_create: udp: getsockname"); |
|
|
lscp_socket_agent_free(&(pClient->tcp)); |
|
|
closesocket(sock); |
|
|
free(pClient); |
|
|
return NULL; |
|
|
} |
|
|
|
|
|
lscp_socket_agent_init(&(pClient->udp), sock, &addr, cAddr); |
|
|
|
|
|
#ifdef DEBUG |
|
|
fprintf(stderr, "lscp_client_create: udp: pClient=%p: sock=%d addr=%s port=%d.\n", pClient, pClient->udp.sock, inet_ntoa(pClient->udp.addr.sin_addr), ntohs(pClient->udp.addr.sin_port)); |
|
|
#endif |
|
|
|
|
|
// No session id, yet. |
|
|
pClient->sessid = NULL; |
|
286 |
// Initialize cached members. |
// Initialize cached members. |
287 |
pClient->audio_drivers = NULL; |
pClient->audio_drivers = NULL; |
288 |
pClient->midi_drivers = NULL; |
pClient->midi_drivers = NULL; |
292 |
pClient->channels = NULL; |
pClient->channels = NULL; |
293 |
lscp_driver_info_init(&(pClient->audio_info)); |
lscp_driver_info_init(&(pClient->audio_info)); |
294 |
lscp_driver_info_init(&(pClient->midi_info)); |
lscp_driver_info_init(&(pClient->midi_info)); |
295 |
|
lscp_param_info_init(&(pClient->audio_param_info)); |
296 |
|
lscp_param_info_init(&(pClient->midi_param_info)); |
297 |
lscp_engine_info_init(&(pClient->engine_info)); |
lscp_engine_info_init(&(pClient->engine_info)); |
298 |
lscp_channel_info_init(&(pClient->channel_info)); |
lscp_channel_info_init(&(pClient->channel_info)); |
299 |
// Initialize error stuff. |
// Initialize error stuff. |
308 |
// Initialize the transaction mutex. |
// Initialize the transaction mutex. |
309 |
lscp_mutex_init(pClient->mutex); |
lscp_mutex_init(pClient->mutex); |
310 |
|
|
|
// Now's finally time to startup threads... |
|
|
// UDP service thread... |
|
|
if (lscp_socket_agent_start(&(pClient->udp), _lscp_client_udp_proc, pClient, 0) != LSCP_OK) { |
|
|
lscp_socket_agent_free(&(pClient->tcp)); |
|
|
lscp_socket_agent_free(&(pClient->udp)); |
|
|
lscp_mutex_destroy(pClient->mutex); |
|
|
free(pClient); |
|
|
return NULL; |
|
|
} |
|
|
|
|
311 |
// Finally we've some success... |
// Finally we've some success... |
312 |
return pClient; |
return pClient; |
313 |
} |
} |
327 |
fprintf(stderr, "lscp_client_join: pClient=%p.\n", pClient); |
fprintf(stderr, "lscp_client_join: pClient=%p.\n", pClient); |
328 |
#endif |
#endif |
329 |
|
|
330 |
// lscp_socket_agent_join(&(pClient->udp)); |
// lscp_socket_agent_join(&(pClient->evt)); |
331 |
lscp_socket_agent_join(&(pClient->tcp)); |
lscp_socket_agent_join(&(pClient->cmd)); |
332 |
|
|
333 |
return LSCP_OK; |
return LSCP_OK; |
334 |
} |
} |
350 |
fprintf(stderr, "lscp_client_destroy: pClient=%p.\n", pClient); |
fprintf(stderr, "lscp_client_destroy: pClient=%p.\n", pClient); |
351 |
#endif |
#endif |
352 |
|
|
353 |
// Free session-id, if any. |
// Lock this section up. |
354 |
if (pClient->sessid) |
lscp_mutex_lock(pClient->mutex); |
355 |
free(pClient->sessid); |
|
|
pClient->sessid = NULL; |
|
356 |
// Free up all cached members. |
// Free up all cached members. |
357 |
lscp_channel_info_reset(&(pClient->channel_info)); |
lscp_channel_info_reset(&(pClient->channel_info)); |
358 |
lscp_engine_info_reset(&(pClient->engine_info)); |
lscp_engine_info_reset(&(pClient->engine_info)); |
359 |
|
lscp_param_info_reset(&(pClient->midi_param_info)); |
360 |
|
lscp_param_info_reset(&(pClient->audio_param_info)); |
361 |
lscp_driver_info_reset(&(pClient->midi_info)); |
lscp_driver_info_reset(&(pClient->midi_info)); |
362 |
lscp_driver_info_reset(&(pClient->audio_info)); |
lscp_driver_info_reset(&(pClient->audio_info)); |
363 |
// Free available engine table. |
// Free available engine table. |
372 |
pClient->midi_drivers = NULL; |
pClient->midi_drivers = NULL; |
373 |
pClient->engines = NULL; |
pClient->engines = NULL; |
374 |
// Free result error stuff. |
// Free result error stuff. |
375 |
_lscp_client_set_result(pClient, NULL, 0); |
lscp_client_set_result(pClient, NULL, 0); |
376 |
// Frre stream usage stuff. |
// Frre stream usage stuff. |
377 |
if (pClient->buffer_fill) |
if (pClient->buffer_fill) |
378 |
free(pClient->buffer_fill); |
free(pClient->buffer_fill); |
381 |
pClient->iTimeout = 0; |
pClient->iTimeout = 0; |
382 |
|
|
383 |
// Free socket agents. |
// Free socket agents. |
384 |
lscp_socket_agent_free(&(pClient->udp)); |
lscp_socket_agent_free(&(pClient->evt)); |
385 |
lscp_socket_agent_free(&(pClient->tcp)); |
lscp_socket_agent_free(&(pClient->cmd)); |
386 |
|
|
387 |
// Last but not least, free good ol'transaction mutex. |
// Last but not least, free good ol'transaction mutex. |
388 |
|
lscp_mutex_unlock(pClient->mutex); |
389 |
lscp_mutex_destroy(pClient->mutex); |
lscp_mutex_destroy(pClient->mutex); |
390 |
|
|
391 |
free(pClient); |
free(pClient); |
433 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
434 |
// Client common protocol functions. |
// Client common protocol functions. |
435 |
|
|
|
|
|
436 |
/** |
/** |
437 |
* Submit a command query line string to the server. The query string |
* Submit a command query line string to the server. The query string |
438 |
* must be cr/lf and null terminated. Besides the return code, the |
* must be cr/lf and null terminated. Besides the return code, the |
448 |
*/ |
*/ |
449 |
lscp_status_t lscp_client_query ( lscp_client_t *pClient, const char *pszQuery ) |
lscp_status_t lscp_client_query ( lscp_client_t *pClient, const char *pszQuery ) |
450 |
{ |
{ |
451 |
fd_set fds; // File descriptor list for select(). |
lscp_status_t ret; |
452 |
int fd, fdmax; // Maximum file descriptor number. |
|
|
struct timeval tv; // For specifying a timeout value. |
|
|
int iSelect; // Holds select return status. |
|
|
int iTimeout; |
|
|
int cchQuery; |
|
|
char achResult[LSCP_BUFSIZ]; |
|
|
int cchResult; |
|
|
const char *pszSeps = ":[]"; |
|
|
char *pszResult; |
|
|
char *pszToken; |
|
|
char *pch; |
|
|
int iErrno; |
|
|
|
|
|
lscp_status_t ret = LSCP_FAILED; |
|
|
|
|
|
if (pClient == NULL) |
|
|
return ret; |
|
|
|
|
453 |
// Lock this section up. |
// Lock this section up. |
454 |
lscp_mutex_lock(pClient->mutex); |
lscp_mutex_lock(pClient->mutex); |
455 |
|
|
456 |
pszResult = NULL; |
// Just make the now guarded call. |
457 |
iErrno = -1; |
ret = lscp_client_call(pClient, pszQuery); |
458 |
|
|
459 |
// Send data, and then, wait for the result... |
// Unlock this section down. |
|
cchQuery = strlen(pszQuery); |
|
|
if (send(pClient->tcp.sock, pszQuery, cchQuery, 0) < cchQuery) { |
|
|
lscp_socket_perror("lscp_client_query: send"); |
|
|
pszResult = "Failure during send operation"; |
|
|
_lscp_client_set_result(pClient, pszResult, iErrno); |
|
|
lscp_mutex_unlock(pClient->mutex); |
|
|
return ret; |
|
|
} |
|
|
|
|
|
// Prepare for waiting on select... |
|
|
fd = (int) pClient->tcp.sock; |
|
|
FD_ZERO(&fds); |
|
|
FD_SET((unsigned int) fd, &fds); |
|
|
fdmax = fd; |
|
|
|
|
|
// Use the timeout select feature... |
|
|
iTimeout = pClient->iTimeout; |
|
|
if (iTimeout > 1000) { |
|
|
tv.tv_sec = iTimeout / 1000; |
|
|
iTimeout -= tv.tv_sec * 1000; |
|
|
} |
|
|
else tv.tv_sec = 0; |
|
|
tv.tv_usec = iTimeout * 1000; |
|
|
|
|
|
// Wait for event... |
|
|
iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
|
|
if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
|
|
// May recv now... |
|
|
cchResult = recv(pClient->tcp.sock, achResult, sizeof(achResult), 0); |
|
|
if (cchResult > 0) { |
|
|
// Assume early success. |
|
|
ret = LSCP_OK; |
|
|
// Always force the result to be null terminated (and trim trailing CRLFs)! |
|
|
while (cchResult > 0 && (achResult[cchResult - 1] == '\n' || achResult[cchResult- 1] == '\r')) |
|
|
cchResult--; |
|
|
achResult[cchResult] = (char) 0; |
|
|
// Check if the response it's an error or warning message. |
|
|
if (strncasecmp(achResult, "WRN:", 4) == 0) |
|
|
ret = LSCP_WARNING; |
|
|
else if (strncasecmp(achResult, "ERR:", 4) == 0) |
|
|
ret = LSCP_ERROR; |
|
|
// So we got a result... |
|
|
if (ret == LSCP_OK) { |
|
|
// Reset errno in case of success. |
|
|
iErrno = 0; |
|
|
// Is it a special successful response? |
|
|
if (strncasecmp(achResult, "OK[", 3) == 0) { |
|
|
// Parse the OK message, get the return string under brackets... |
|
|
pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
|
|
if (pszToken) |
|
|
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
|
|
} |
|
|
else pszResult = achResult; |
|
|
// The result string is now set to the command response, if any. |
|
|
} else { |
|
|
// Parse the error/warning message, skip first colon... |
|
|
pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
|
|
if (pszToken) { |
|
|
// Get the error number... |
|
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
|
|
if (pszToken) { |
|
|
iErrno = atoi(pszToken); |
|
|
// And make the message text our final result. |
|
|
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
|
|
} |
|
|
} |
|
|
// The result string is set to the error/warning message text. |
|
|
} |
|
|
} |
|
|
else if (cchResult == 0) { |
|
|
// Fake a result message. |
|
|
ret = LSCP_QUIT; |
|
|
pszResult = "Server terminated the connection"; |
|
|
iErrno = (int) ret; |
|
|
} else { |
|
|
// What's down? |
|
|
lscp_socket_perror("lscp_client_query: recv"); |
|
|
pszResult = "Failure during receive operation"; |
|
|
} |
|
|
} // Check if select has timed out. |
|
|
else if (iSelect == 0) { |
|
|
// Fake a result message. |
|
|
ret = LSCP_TIMEOUT; |
|
|
pszResult = "Timeout during receive operation"; |
|
|
iErrno = (int) ret; |
|
|
} |
|
|
else lscp_socket_perror("lscp_client_query: select"); |
|
|
|
|
|
// Make the result official... |
|
|
_lscp_client_set_result(pClient, pszResult, iErrno); |
|
|
|
|
|
// Can go on with it... |
|
460 |
lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
461 |
|
|
462 |
return ret; |
return ret; |
463 |
} |
} |
464 |
|
|
|
|
|
465 |
/** |
/** |
466 |
* Get the last received result string. In case of error or warning, |
* Get the last received result string. In case of error or warning, |
467 |
* this is the text of the error or warning message issued. |
* this is the text of the error or warning message issued. |
501 |
// Client registration protocol functions. |
// Client registration protocol functions. |
502 |
|
|
503 |
/** |
/** |
504 |
* Register frontend for receiving UDP event messages: |
* Register frontend for receiving event messages: |
505 |
* SUBSCRIBE NOTIFICATION <udp-port> |
* SUBSCRIBE CHANNELS | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
506 |
|
* | CHANNEL_INFO | MISCELLANEOUS |
507 |
* |
* |
508 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
509 |
|
* @param events Bit-wise OR'ed event flags to subscribe. |
510 |
* |
* |
511 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
512 |
*/ |
*/ |
513 |
lscp_status_t lscp_client_subscribe ( lscp_client_t *pClient ) |
lscp_status_t lscp_client_subscribe ( lscp_client_t *pClient, lscp_event_t events ) |
514 |
{ |
{ |
515 |
lscp_status_t ret; |
lscp_status_t ret = LSCP_FAILED; |
|
char szQuery[LSCP_BUFSIZ]; |
|
|
const char *pszResult; |
|
|
const char *pszSeps = "[]"; |
|
|
char *pszToken; |
|
|
char *pch; |
|
516 |
|
|
517 |
if (pClient == NULL || pClient->sessid) |
if (pClient == NULL) |
518 |
return LSCP_FAILED; |
return LSCP_FAILED; |
519 |
|
|
520 |
sprintf(szQuery, "SUBSCRIBE NOTIFICATION %d\r\n", ntohs(pClient->udp.addr.sin_port)); |
// Lock this section up. |
521 |
ret = lscp_client_query(pClient, szQuery); |
lscp_mutex_lock(pClient->mutex); |
522 |
if (ret == LSCP_OK) { |
|
523 |
pszResult = lscp_client_get_result(pClient); |
// If applicable, start the alternate connection... |
524 |
#ifdef DEBUG |
if (pClient->events == LSCP_EVENT_NONE) |
525 |
fprintf(stderr, "lscp_client_subscribe: %s\n", pszResult); |
ret = _lscp_client_evt_connect(pClient); |
526 |
#endif |
|
527 |
// Check for the session-id on "OK[sessid]" response. |
// Send the subscription commands. |
528 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNELS)) |
529 |
if (pszToken && strcasecmp(pszToken, "OK") == 0) { |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNELS); |
530 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
531 |
if (pszToken) |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_VOICE_COUNT); |
532 |
pClient->sessid = strdup(pszToken); |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
533 |
} |
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_STREAM_COUNT); |
534 |
} |
if (ret == LSCP_OK && (events & LSCP_EVENT_BUFFER_FILL)) |
535 |
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_BUFFER_FILL); |
536 |
|
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_INFO)) |
537 |
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_CHANNEL_INFO); |
538 |
|
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
539 |
|
ret = _lscp_client_evt_request(pClient, 1, LSCP_EVENT_MISCELLANEOUS); |
540 |
|
|
541 |
|
// Unlock this section down. |
542 |
|
lscp_mutex_unlock(pClient->mutex); |
543 |
|
|
544 |
return ret; |
return ret; |
545 |
} |
} |
546 |
|
|
547 |
|
|
548 |
/** |
/** |
549 |
* Deregister frontend for not receiving UDP event messages anymore: |
* Deregister frontend from receiving UDP event messages anymore: |
550 |
* UNSUBSCRIBE NOTIFICATION <session-id> |
* SUBSCRIBE CHANNELS | VOICE_COUNT | STREAM_COUNT | BUFFER_FILL |
551 |
|
* | CHANNEL_INFO | MISCELLANEOUS |
552 |
* |
* |
553 |
* @param pClient Pointer to client instance structure. |
* @param pClient Pointer to client instance structure. |
554 |
|
* @param events Bit-wise OR'ed event flags to unsubscribe. |
555 |
* |
* |
556 |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
557 |
*/ |
*/ |
558 |
lscp_status_t lscp_client_unsubscribe ( lscp_client_t *pClient ) |
lscp_status_t lscp_client_unsubscribe ( lscp_client_t *pClient, lscp_event_t events ) |
559 |
{ |
{ |
560 |
lscp_status_t ret; |
lscp_status_t ret = LSCP_OK; |
|
char szQuery[LSCP_BUFSIZ]; |
|
561 |
|
|
562 |
if (pClient == NULL) |
if (pClient == NULL) |
563 |
return LSCP_FAILED; |
return LSCP_FAILED; |
|
if (pClient->sessid == NULL) |
|
|
return LSCP_FAILED; |
|
564 |
|
|
565 |
sprintf(szQuery, "UNSUBSCRIBE NOTIFICATION %s\n\n", pClient->sessid); |
// Lock this section up. |
566 |
ret = lscp_client_query(pClient, szQuery); |
lscp_mutex_lock(pClient->mutex); |
567 |
if (ret == LSCP_OK) { |
|
568 |
#ifdef DEBUG |
// Send the unsubscription commands. |
569 |
fprintf(stderr, "lscp_client_unsubscribe: %s\n", lscp_client_get_result(pClient)); |
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNELS)) |
570 |
#endif |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNELS); |
571 |
// Bail out session-id string. |
if (ret == LSCP_OK && (events & LSCP_EVENT_VOICE_COUNT)) |
572 |
free(pClient->sessid); |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_VOICE_COUNT); |
573 |
pClient->sessid = NULL; |
if (ret == LSCP_OK && (events & LSCP_EVENT_STREAM_COUNT)) |
574 |
} |
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_STREAM_COUNT); |
575 |
|
if (ret == LSCP_OK && (events & LSCP_EVENT_BUFFER_FILL)) |
576 |
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_BUFFER_FILL); |
577 |
|
if (ret == LSCP_OK && (events & LSCP_EVENT_CHANNEL_INFO)) |
578 |
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_CHANNEL_INFO); |
579 |
|
if (ret == LSCP_OK && (events & LSCP_EVENT_MISCELLANEOUS)) |
580 |
|
ret = _lscp_client_evt_request(pClient, 0, LSCP_EVENT_MISCELLANEOUS); |
581 |
|
|
582 |
|
// If necessary, close the alternate connection... |
583 |
|
if (pClient->events == LSCP_EVENT_NONE) |
584 |
|
lscp_socket_agent_free(&(pClient->evt)); |
585 |
|
|
586 |
|
// Unlock this section down. |
587 |
|
lscp_mutex_unlock(pClient->mutex); |
588 |
|
|
589 |
return ret; |
return ret; |
590 |
} |
} |
611 |
if (pszFileName == NULL || iSamplerChannel < 0) |
if (pszFileName == NULL || iSamplerChannel < 0) |
612 |
return LSCP_FAILED; |
return LSCP_FAILED; |
613 |
|
|
614 |
sprintf(szQuery, "LOAD INSTRUMENT %s %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
sprintf(szQuery, "LOAD INSTRUMENT '%s' %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
615 |
|
return lscp_client_query(pClient, szQuery); |
616 |
|
} |
617 |
|
|
618 |
|
|
619 |
|
/** |
620 |
|
* Loading an instrument in the background (non modal): |
621 |
|
* LOAD INSTRUMENT NON_MODAL <filename> <instr-index> <sampler-channel> |
622 |
|
* |
623 |
|
* @param pClient Pointer to client instance structure. |
624 |
|
* @param pszFileName Instrument file name. |
625 |
|
* @param iInstrIndex Instrument index number. |
626 |
|
* @param iSamplerChannel Sampler Channel. |
627 |
|
* |
628 |
|
* @returns LSCP_OK on success, LSCP_FAILED otherwise. |
629 |
|
*/ |
630 |
|
lscp_status_t lscp_load_instrument_non_modal ( lscp_client_t *pClient, const char *pszFileName, int iInstrIndex, int iSamplerChannel ) |
631 |
|
{ |
632 |
|
char szQuery[LSCP_BUFSIZ]; |
633 |
|
|
634 |
|
if (pszFileName == NULL || iSamplerChannel < 0) |
635 |
|
return LSCP_FAILED; |
636 |
|
|
637 |
|
sprintf(szQuery, "LOAD INSTRUMENT NON_MODAL '%s' %d %d\r\n", pszFileName, iInstrIndex, iSamplerChannel); |
638 |
return lscp_client_query(pClient, szQuery); |
return lscp_client_query(pClient, szQuery); |
639 |
} |
} |
640 |
|
|
673 |
int lscp_get_channels ( lscp_client_t *pClient ) |
int lscp_get_channels ( lscp_client_t *pClient ) |
674 |
{ |
{ |
675 |
int iChannels = -1; |
int iChannels = -1; |
676 |
if (lscp_client_query(pClient, "GET CHANNELS\r\n") == LSCP_OK) |
|
677 |
|
// Lock this section up. |
678 |
|
lscp_mutex_lock(pClient->mutex); |
679 |
|
|
680 |
|
if (lscp_client_call(pClient, "GET CHANNELS\r\n") == LSCP_OK) |
681 |
iChannels = atoi(lscp_client_get_result(pClient)); |
iChannels = atoi(lscp_client_get_result(pClient)); |
682 |
|
|
683 |
|
// Unlock this section doen. |
684 |
|
lscp_mutex_unlock(pClient->mutex); |
685 |
|
|
686 |
return iChannels; |
return iChannels; |
687 |
} |
} |
688 |
|
|
703 |
if (pClient == NULL) |
if (pClient == NULL) |
704 |
return NULL; |
return NULL; |
705 |
|
|
706 |
|
// Lock this section up. |
707 |
|
lscp_mutex_lock(pClient->mutex); |
708 |
|
|
709 |
if (pClient->channels) { |
if (pClient->channels) { |
710 |
lscp_isplit_destroy(pClient->channels); |
lscp_isplit_destroy(pClient->channels); |
711 |
pClient->channels = NULL; |
pClient->channels = NULL; |
712 |
} |
} |
713 |
|
|
714 |
if (lscp_client_query(pClient, "LIST CHANNELS\r\n") == LSCP_OK) |
if (lscp_client_call(pClient, "LIST CHANNELS\r\n") == LSCP_OK) |
715 |
pClient->channels = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
pClient->channels = lscp_isplit_create(lscp_client_get_result(pClient), pszSeps); |
716 |
|
|
717 |
|
// Unlock this section down. |
718 |
|
lscp_mutex_unlock(pClient->mutex); |
719 |
|
|
720 |
return pClient->channels; |
return pClient->channels; |
721 |
} |
} |
722 |
|
|
733 |
int lscp_add_channel ( lscp_client_t *pClient ) |
int lscp_add_channel ( lscp_client_t *pClient ) |
734 |
{ |
{ |
735 |
int iSamplerChannel = -1; |
int iSamplerChannel = -1; |
736 |
if (lscp_client_query(pClient, "ADD CHANNEL\r\n") == LSCP_OK) |
|
737 |
|
// Lock this section up. |
738 |
|
lscp_mutex_lock(pClient->mutex); |
739 |
|
|
740 |
|
if (lscp_client_call(pClient, "ADD CHANNEL\r\n") == LSCP_OK) |
741 |
iSamplerChannel = atoi(lscp_client_get_result(pClient)); |
iSamplerChannel = atoi(lscp_client_get_result(pClient)); |
742 |
|
|
743 |
|
// Unlock this section down. |
744 |
|
lscp_mutex_unlock(pClient->mutex); |
745 |
|
|
746 |
return iSamplerChannel; |
return iSamplerChannel; |
747 |
} |
} |
748 |
|
|
781 |
{ |
{ |
782 |
const char *pszSeps = ","; |
const char *pszSeps = ","; |
783 |
|
|
784 |
|
// Lock this section up. |
785 |
|
lscp_mutex_lock(pClient->mutex); |
786 |
|
|
787 |
if (pClient->engines) { |
if (pClient->engines) { |
788 |
lscp_szsplit_destroy(pClient->engines); |
lscp_szsplit_destroy(pClient->engines); |
789 |
pClient->engines = NULL; |
pClient->engines = NULL; |
790 |
} |
} |
791 |
|
|
792 |
if (lscp_client_query(pClient, "GET AVAILABLE_ENGINES\r\n") == LSCP_OK) |
if (lscp_client_call(pClient, "GET AVAILABLE_ENGINES\r\n") == LSCP_OK) |
793 |
pClient->engines = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
pClient->engines = lscp_szsplit_create(lscp_client_get_result(pClient), pszSeps); |
794 |
|
|
795 |
|
// Unlock this section down. |
796 |
|
lscp_mutex_unlock(pClient->mutex); |
797 |
|
|
798 |
return (const char **) pClient->engines; |
return (const char **) pClient->engines; |
799 |
} |
} |
800 |
|
|
822 |
if (pszEngineName == NULL) |
if (pszEngineName == NULL) |
823 |
return NULL; |
return NULL; |
824 |
|
|
825 |
|
// Lock this section up. |
826 |
|
lscp_mutex_lock(pClient->mutex); |
827 |
|
|
828 |
pEngineInfo = &(pClient->engine_info); |
pEngineInfo = &(pClient->engine_info); |
829 |
lscp_engine_info_reset(pEngineInfo); |
lscp_engine_info_reset(pEngineInfo); |
830 |
|
|
831 |
sprintf(szQuery, "GET ENGINE INFO %s\r\n", pszEngineName); |
sprintf(szQuery, "GET ENGINE INFO %s\r\n", pszEngineName); |
832 |
if (lscp_client_query(pClient, szQuery) != LSCP_OK) |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) { |
833 |
return NULL; |
pszResult = lscp_client_get_result(pClient); |
834 |
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
835 |
pszResult = lscp_client_get_result(pClient); |
while (pszToken) { |
836 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
837 |
while (pszToken) { |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
838 |
if (strcasecmp(pszToken, "DESCRIPTION") == 0) { |
if (pszToken) |
839 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pEngineInfo->description = lscp_unquote(&pszToken, 1); |
840 |
if (pszToken) |
} |
841 |
pEngineInfo->description = lscp_unquote(&pszToken, 1); |
else if (strcasecmp(pszToken, "VERSION") == 0) { |
842 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
843 |
else if (strcasecmp(pszToken, "VERSION") == 0) { |
if (pszToken) |
844 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pEngineInfo->version = lscp_unquote(&pszToken, 1); |
845 |
if (pszToken) |
} |
846 |
pEngineInfo->version = lscp_unquote(&pszToken, 1); |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
847 |
} |
} |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
|
848 |
} |
} |
849 |
|
else pEngineInfo = NULL; |
850 |
|
|
851 |
|
// Unlock this section down. |
852 |
|
lscp_mutex_unlock(pClient->mutex); |
853 |
|
|
854 |
return pEngineInfo; |
return pEngineInfo; |
855 |
} |
} |
878 |
if (iSamplerChannel < 0) |
if (iSamplerChannel < 0) |
879 |
return NULL; |
return NULL; |
880 |
|
|
881 |
|
// Lock this section up. |
882 |
|
lscp_mutex_lock(pClient->mutex); |
883 |
|
|
884 |
pChannelInfo = &(pClient->channel_info); |
pChannelInfo = &(pClient->channel_info); |
885 |
lscp_channel_info_reset(pChannelInfo); |
lscp_channel_info_reset(pChannelInfo); |
886 |
|
|
887 |
sprintf(szQuery, "GET CHANNEL INFO %d\r\n", iSamplerChannel); |
sprintf(szQuery, "GET CHANNEL INFO %d\r\n", iSamplerChannel); |
888 |
if (lscp_client_query(pClient, szQuery) != LSCP_OK) |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) { |
889 |
return NULL; |
pszResult = lscp_client_get_result(pClient); |
890 |
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
891 |
pszResult = lscp_client_get_result(pClient); |
while (pszToken) { |
892 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
if (strcasecmp(pszToken, "ENGINE_NAME") == 0) { |
893 |
while (pszToken) { |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
894 |
if (strcasecmp(pszToken, "ENGINE_NAME") == 0) { |
if (pszToken) |
895 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->engine_name = lscp_unquote(&pszToken, 1); |
896 |
if (pszToken) |
} |
897 |
pChannelInfo->engine_name = lscp_unquote(&pszToken, 1); |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_DEVICE") == 0) { |
898 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
899 |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_DEVICE") == 0) { |
if (pszToken) |
900 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->audio_device = atoi(lscp_ltrim(pszToken)); |
901 |
if (pszToken) |
} |
902 |
pChannelInfo->audio_device = atoi(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_CHANNELS") == 0) { |
903 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
904 |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_CHANNELS") == 0) { |
if (pszToken) |
905 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->audio_channels = atoi(lscp_ltrim(pszToken)); |
906 |
if (pszToken) |
} |
907 |
pChannelInfo->audio_channels = atoi(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_ROUTING") == 0) { |
908 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
909 |
else if (strcasecmp(pszToken, "AUDIO_OUTPUT_ROUTING") == 0) { |
if (pszToken) |
910 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->audio_routing = lscp_szsplit_create(pszToken, ","); |
911 |
if (pszToken) |
} |
912 |
pChannelInfo->audio_routing = lscp_szsplit_create(pszToken, ","); |
else if (strcasecmp(pszToken, "INSTRUMENT_FILE") == 0) { |
913 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
914 |
else if (strcasecmp(pszToken, "INSTRUMENT_FILE") == 0) { |
if (pszToken) |
915 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->instrument_file = lscp_unquote(&pszToken, 1); |
916 |
if (pszToken) |
} |
917 |
pChannelInfo->instrument_file = lscp_unquote(&pszToken, 1); |
else if (strcasecmp(pszToken, "INSTRUMENT_NR") == 0) { |
918 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
919 |
else if (strcasecmp(pszToken, "INSTRUMENT_NR") == 0) { |
if (pszToken) |
920 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
921 |
if (pszToken) |
} |
922 |
pChannelInfo->instrument_nr = atoi(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "INSTRUMENT_STATUS") == 0) { |
923 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
924 |
else if (strcasecmp(pszToken, "MIDI_INPUT_DEVICE") == 0) { |
if (pszToken) |
925 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->instrument_status = atoi(lscp_ltrim(pszToken)); |
926 |
if (pszToken) |
} |
927 |
pChannelInfo->midi_device = atoi(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "MIDI_INPUT_DEVICE") == 0) { |
928 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
929 |
else if (strcasecmp(pszToken, "MIDI_INPUT_PORT") == 0) { |
if (pszToken) |
930 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->midi_device = atoi(lscp_ltrim(pszToken)); |
931 |
if (pszToken) |
} |
932 |
pChannelInfo->midi_port = atoi(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "MIDI_INPUT_PORT") == 0) { |
933 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
934 |
else if (strcasecmp(pszToken, "MIDI_INPUT_CHANNEL") == 0) { |
if (pszToken) |
935 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->midi_port = atoi(lscp_ltrim(pszToken)); |
936 |
if (pszToken) |
} |
937 |
pChannelInfo->midi_channel = atoi(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "MIDI_INPUT_CHANNEL") == 0) { |
938 |
} |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
939 |
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
if (pszToken) |
940 |
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
pChannelInfo->midi_channel = atoi(lscp_ltrim(pszToken)); |
941 |
if (pszToken) |
} |
942 |
pChannelInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
else if (strcasecmp(pszToken, "VOLUME") == 0) { |
943 |
|
pszToken = lscp_strtok(NULL, pszCrlf, &(pch)); |
944 |
|
if (pszToken) |
945 |
|
pChannelInfo->volume = (float) atof(lscp_ltrim(pszToken)); |
946 |
|
} |
947 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
948 |
} |
} |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
|
949 |
} |
} |
950 |
|
else pChannelInfo = NULL; |
951 |
|
|
952 |
|
// Unlock this section up. |
953 |
|
lscp_mutex_unlock(pClient->mutex); |
954 |
|
|
955 |
return pChannelInfo; |
return pChannelInfo; |
956 |
} |
} |
973 |
if (iSamplerChannel < 0) |
if (iSamplerChannel < 0) |
974 |
return iVoiceCount; |
return iVoiceCount; |
975 |
|
|
976 |
|
// Lock this section up. |
977 |
|
lscp_mutex_lock(pClient->mutex); |
978 |
|
|
979 |
sprintf(szQuery, "GET CHANNEL VOICE_COUNT %d\r\n", iSamplerChannel); |
sprintf(szQuery, "GET CHANNEL VOICE_COUNT %d\r\n", iSamplerChannel); |
980 |
if (lscp_client_query(pClient, szQuery) == LSCP_OK) |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) |
981 |
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
iVoiceCount = atoi(lscp_client_get_result(pClient)); |
982 |
|
|
983 |
|
// Unlock this section down. |
984 |
|
lscp_mutex_unlock(pClient->mutex); |
985 |
|
|
986 |
return iVoiceCount; |
return iVoiceCount; |
987 |
} |
} |
988 |
|
|
1001 |
if (iSamplerChannel < 0) |
if (iSamplerChannel < 0) |
1002 |
return iStreamCount; |
return iStreamCount; |
1003 |
|
|
1004 |
|
// Lock this section up. |
1005 |
|
lscp_mutex_lock(pClient->mutex); |
1006 |
|
|
1007 |
sprintf(szQuery, "GET CHANNEL STREAM_COUNT %d\r\n", iSamplerChannel); |
sprintf(szQuery, "GET CHANNEL STREAM_COUNT %d\r\n", iSamplerChannel); |
1008 |
if (lscp_client_query(pClient, szQuery) == LSCP_OK) |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) |
1009 |
iStreamCount = atoi(lscp_client_get_result(pClient)); |
iStreamCount = atoi(lscp_client_get_result(pClient)); |
1010 |
|
|
1011 |
|
// Unlock this section down. |
1012 |
|
lscp_mutex_unlock(pClient->mutex); |
1013 |
|
|
1014 |
return iStreamCount; |
return iStreamCount; |
1015 |
} |
} |
1016 |
|
|
1041 |
char *pch; |
char *pch; |
1042 |
int iStream; |
int iStream; |
1043 |
|
|
1044 |
|
// Retrieve a channel stream estimation. |
1045 |
iStreamCount = lscp_get_channel_stream_count(pClient, iSamplerChannel); |
iStreamCount = lscp_get_channel_stream_count(pClient, iSamplerChannel); |
1046 |
|
if (pClient->iStreamCount < 0) |
1047 |
|
return NULL; |
1048 |
|
|
1049 |
|
// Lock this section up. |
1050 |
|
lscp_mutex_lock(pClient->mutex); |
1051 |
|
|
1052 |
|
// Check if we need to reallocate the stream usage array. |
1053 |
if (pClient->iStreamCount != iStreamCount) { |
if (pClient->iStreamCount != iStreamCount) { |
1054 |
if (pClient->buffer_fill) |
if (pClient->buffer_fill) |
1055 |
free(pClient->buffer_fill); |
free(pClient->buffer_fill); |
1060 |
pClient->iStreamCount = iStreamCount; |
pClient->iStreamCount = iStreamCount; |
1061 |
} |
} |
1062 |
|
|
|
if (pClient->iStreamCount < 1) |
|
|
return NULL; |
|
|
|
|
|
iStream = 0; |
|
|
pBufferFill = pClient->buffer_fill; |
|
|
|
|
1063 |
// Get buffer fill usage... |
// Get buffer fill usage... |
1064 |
sprintf(szQuery, "GET CHANNEL BUFFER_FILL %s %d\r\n", pszUsageType, iSamplerChannel); |
pBufferFill = pClient->buffer_fill; |
1065 |
if (lscp_client_query(pClient, szQuery) == LSCP_OK) { |
if (pBufferFill && iStreamCount > 0) { |
1066 |
pszResult = lscp_client_get_result(pClient); |
iStream = 0; |
1067 |
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
pBufferFill = pClient->buffer_fill; |
1068 |
while (pszToken && iStream < pClient->iStreamCount) { |
sprintf(szQuery, "GET CHANNEL BUFFER_FILL %s %d\r\n", pszUsageType, iSamplerChannel); |
1069 |
if (*pszToken) { |
if (lscp_client_call(pClient, szQuery) == LSCP_OK) { |
1070 |
pBufferFill[iStream].stream_id = atol(pszToken); |
pszResult = lscp_client_get_result(pClient); |
1071 |
|
pszToken = lscp_strtok((char *) pszResult, pszSeps, &(pch)); |
1072 |
|
while (pszToken && iStream < pClient->iStreamCount) { |
1073 |
|
if (*pszToken) { |
1074 |
|
pBufferFill[iStream].stream_id = atol(pszToken); |
1075 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
1076 |
|
if (pszToken == NULL) |
1077 |
|
break; |
1078 |
|
pBufferFill[iStream].stream_usage = atol(pszToken); |
1079 |
|
iStream++; |
1080 |
|
} |
1081 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
|
if (pszToken == NULL) |
|
|
break; |
|
|
pBufferFill[iStream].stream_usage = atol(pszToken); |
|
|
iStream++; |
|
1082 |
} |
} |
1083 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
} // Reset the usage, whatever it was before. |
1084 |
} |
else while (iStream < pClient->iStreamCount) |
1085 |
} // Reset the usage, whatever it was before. |
pBufferFill[iStream++].stream_usage = 0; |
1086 |
else while (iStream < pClient->iStreamCount) |
} |
1087 |
pBufferFill[iStream++].stream_usage = 0; |
|
1088 |
|
// Unlock this section down. |
1089 |
|
lscp_mutex_unlock(pClient->mutex); |
1090 |
|
|
1091 |
return pBufferFill; |
return pBufferFill; |
1092 |
} |
} |
1113 |
|
|
1114 |
|
|
1115 |
/** |
/** |
1116 |
|
* Setting audio output device: |
1117 |
|
* SET CHANNEL AUDIO_OUTPUT_DEVICE <sampler-channel> <device-id> |
1118 |
|
* |
1119 |
|
* @param pClient Pointer to client instance structure. |
1120 |
|
* @param iSamplerChannel Sampler channel number. |
1121 |
|
* @param iAudioDevice Audio output device number identifier. |
1122 |
|
*/ |
1123 |
|
lscp_status_t lscp_set_channel_audio_device ( lscp_client_t *pClient, int iSamplerChannel, int iAudioDevice ) |
1124 |
|
{ |
1125 |
|
char szQuery[LSCP_BUFSIZ]; |
1126 |
|
|
1127 |
|
if (iSamplerChannel < 0 || iAudioDevice < 0) |
1128 |
|
return LSCP_FAILED; |
1129 |
|
|
1130 |
|
sprintf(szQuery, "SET CHANNEL AUDIO_OUTPUT_DEVICE %d %d\r\n", iSamplerChannel, iAudioDevice); |
1131 |
|
return lscp_client_query(pClient, szQuery); |
1132 |
|
} |
1133 |
|
|
1134 |
|
|
1135 |
|
/** |
1136 |
* Setting audio output channel: |
* Setting audio output channel: |
1137 |
* SET CHANNEL AUDIO_OUTPUT_CHANNEL <sampler-channel> <audio-output-chan> <audio-input-chan> |
* SET CHANNEL AUDIO_OUTPUT_CHANNEL <sampler-channel> <audio-output-chan> <audio-input-chan> |
1138 |
* |
* |
1176 |
return lscp_client_query(pClient, szQuery); |
return lscp_client_query(pClient, szQuery); |
1177 |
} |
} |
1178 |
|
|
1179 |
|
|
1180 |
|
/** |
1181 |
|
* Setting MIDI input device: |
1182 |
|
* SET CHANNEL MIDI_INPUT_DEVICE <sampler-channel> <device-id> |
1183 |
|
* |
1184 |
|
* @param pClient Pointer to client instance structure. |
1185 |
|
* @param iSamplerChannel Sampler channel number. |
1186 |
|
* @param iMidiDevice MIDI input device number identifier. |
1187 |
|
*/ |
1188 |
|
lscp_status_t lscp_set_channel_midi_device ( lscp_client_t *pClient, int iSamplerChannel, int iMidiDevice ) |
1189 |
|
{ |
1190 |
|
char szQuery[LSCP_BUFSIZ]; |
1191 |
|
|
1192 |
|
if (iSamplerChannel < 0 || iMidiDevice < 0) |
1193 |
|
return LSCP_FAILED; |
1194 |
|
|
1195 |
|
sprintf(szQuery, "SET CHANNEL MIDI_INPUT_DEVICE %d %d\r\n", iSamplerChannel, iMidiDevice); |
1196 |
|
return lscp_client_query(pClient, szQuery); |
1197 |
|
} |
1198 |
|
|
1199 |
|
|
1200 |
/** |
/** |
1201 |
* Setting MIDI input port: |
* Setting MIDI input port: |