2 |
// |
// |
3 |
/**************************************************************************** |
/**************************************************************************** |
4 |
liblscp - LinuxSampler Control Protocol API |
liblscp - LinuxSampler Control Protocol API |
5 |
Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved. |
6 |
|
|
7 |
This library is free software; you can redistribute it and/or |
This library is free software; you can redistribute it and/or |
8 |
modify it under the terms of the GNU Lesser General Public |
modify it under the terms of the GNU Lesser General Public |
49 |
pClient->pszResult = strdup(lscp_ltrim(pszResult)); |
pClient->pszResult = strdup(lscp_ltrim(pszResult)); |
50 |
} |
} |
51 |
|
|
52 |
// The main client requester call executive. |
|
53 |
lscp_status_t lscp_client_call ( lscp_client_t *pClient, const char *pszQuery ) |
// The common client receiver executive. |
54 |
|
lscp_status_t lscp_client_recv ( lscp_client_t *pClient, char *pchBuffer, int *pcchBuffer, int iTimeout ) |
55 |
{ |
{ |
56 |
fd_set fds; // File descriptor list for select(). |
fd_set fds; // File descriptor list for select(). |
57 |
int fd, fdmax; // Maximum file descriptor number. |
int fd, fdmax; // Maximum file descriptor number. |
58 |
struct timeval tv; // For specifying a timeout value. |
struct timeval tv; // For specifying a timeout value. |
59 |
int iSelect; // Holds select return status. |
int iSelect; // Holds select return status. |
60 |
int iTimeout; |
|
61 |
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lscp_status_t ret = LSCP_FAILED; |
62 |
|
|
63 |
|
if (pClient == NULL) |
64 |
|
return ret; |
65 |
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|
66 |
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// Prepare for waiting on select... |
67 |
|
fd = (int) pClient->cmd.sock; |
68 |
|
FD_ZERO(&fds); |
69 |
|
FD_SET((unsigned int) fd, &fds); |
70 |
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fdmax = fd; |
71 |
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|
72 |
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// Use the timeout select feature... |
73 |
|
if (iTimeout < 1) |
74 |
|
iTimeout = pClient->iTimeout; |
75 |
|
if (iTimeout >= 1000) { |
76 |
|
tv.tv_sec = iTimeout / 1000; |
77 |
|
iTimeout -= tv.tv_sec * 1000; |
78 |
|
} |
79 |
|
else tv.tv_sec = 0; |
80 |
|
tv.tv_usec = iTimeout * 1000; |
81 |
|
|
82 |
|
// Wait for event... |
83 |
|
iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
84 |
|
if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
85 |
|
// May recv now... |
86 |
|
*pcchBuffer = recv(pClient->cmd.sock, pchBuffer, *pcchBuffer, 0); |
87 |
|
if (*pcchBuffer > 0) |
88 |
|
ret = LSCP_OK; |
89 |
|
else if (*pcchBuffer < 0) |
90 |
|
lscp_socket_perror("lscp_client_recv: recv"); |
91 |
|
else if (*pcchBuffer == 0) { |
92 |
|
// Damn, server probably disconnected, |
93 |
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// we better free everything down here. |
94 |
|
lscp_socket_agent_free(&(pClient->evt)); |
95 |
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lscp_socket_agent_free(&(pClient->cmd)); |
96 |
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// Fake a result message. |
97 |
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ret = LSCP_QUIT; |
98 |
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} |
99 |
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} // Check if select has timed out. |
100 |
|
else if (iSelect == 0) |
101 |
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ret = LSCP_TIMEOUT; |
102 |
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else |
103 |
|
lscp_socket_perror("lscp_client_recv: select"); |
104 |
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|
105 |
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return ret; |
106 |
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} |
107 |
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|
108 |
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|
109 |
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// The main client requester call executive. |
110 |
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lscp_status_t lscp_client_call ( lscp_client_t *pClient, const char *pszQuery ) |
111 |
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{ |
112 |
int cchQuery; |
int cchQuery; |
113 |
char achResult[LSCP_BUFSIZ]; |
char achResult[LSCP_BUFSIZ]; |
114 |
int cchResult; |
int cchResult; |
133 |
return ret; |
return ret; |
134 |
} |
} |
135 |
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|
136 |
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// Check if last transaction has timed out, in which case |
137 |
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// we'll retry wait and flush for some pending garbage... |
138 |
|
if (pClient->iTimeoutCount > 0) { |
139 |
|
cchResult = sizeof(achResult); |
140 |
|
ret = lscp_client_recv(pClient, achResult, &cchResult, pClient->iTimeout); |
141 |
|
if (ret == LSCP_OK) { |
142 |
|
// We've got rid of timeout trouble (hopefully). |
143 |
|
pClient->iTimeoutCount = 0; |
144 |
|
} else { |
145 |
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// Things are worse than before. Fake a result message. |
146 |
|
iErrno = (int) ret; |
147 |
|
pszResult = "Failure during flush timeout operation"; |
148 |
|
lscp_client_set_result(pClient, pszResult, iErrno); |
149 |
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return ret; |
150 |
|
} |
151 |
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} |
152 |
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|
153 |
// Send data, and then, wait for the result... |
// Send data, and then, wait for the result... |
154 |
cchQuery = strlen(pszQuery); |
cchQuery = strlen(pszQuery); |
155 |
if (send(pClient->cmd.sock, pszQuery, cchQuery, 0) < cchQuery) { |
if (send(pClient->cmd.sock, pszQuery, cchQuery, 0) < cchQuery) { |
156 |
lscp_socket_perror("_lscp_client_call: send"); |
lscp_socket_perror("lscp_client_call: send"); |
157 |
pszResult = "Failure during send operation"; |
pszResult = "Failure during send operation"; |
158 |
lscp_client_set_result(pClient, pszResult, iErrno); |
lscp_client_set_result(pClient, pszResult, iErrno); |
159 |
return ret; |
return ret; |
160 |
} |
} |
161 |
|
|
162 |
// Prepare for waiting on select... |
// Wait for receive event... |
163 |
fd = (int) pClient->cmd.sock; |
cchResult = sizeof(achResult); |
164 |
FD_ZERO(&fds); |
ret = lscp_client_recv(pClient, achResult, &cchResult, pClient->iTimeout); |
165 |
FD_SET((unsigned int) fd, &fds); |
|
166 |
fdmax = fd; |
switch (ret) { |
167 |
|
|
168 |
// Use the timeout select feature... |
case LSCP_OK: |
169 |
iTimeout = pClient->iTimeout; |
// Always force the result to be null terminated (and trim trailing CRLFs)! |
170 |
if (iTimeout > 1000) { |
while (cchResult > 0 && (achResult[cchResult - 1] == '\n' || achResult[cchResult- 1] == '\r')) |
171 |
tv.tv_sec = iTimeout / 1000; |
cchResult--; |
172 |
iTimeout -= tv.tv_sec * 1000; |
achResult[cchResult] = (char) 0; |
173 |
} |
// Check if the response it's an error or warning message. |
174 |
else tv.tv_sec = 0; |
if (strncasecmp(achResult, "WRN:", 4) == 0) |
175 |
tv.tv_usec = iTimeout * 1000; |
ret = LSCP_WARNING; |
176 |
|
else if (strncasecmp(achResult, "ERR:", 4) == 0) |
177 |
// Wait for event... |
ret = LSCP_ERROR; |
178 |
iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
// So we got a result... |
179 |
if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
if (ret == LSCP_OK) { |
180 |
// May recv now... |
// Reset errno in case of success. |
181 |
cchResult = recv(pClient->cmd.sock, achResult, sizeof(achResult), 0); |
iErrno = 0; |
182 |
if (cchResult > 0) { |
// Is it a special successful response? |
183 |
// Assume early success. |
if (strncasecmp(achResult, "OK[", 3) == 0) { |
184 |
ret = LSCP_OK; |
// Parse the OK message, get the return string under brackets... |
|
// 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... |
|
185 |
pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
186 |
|
if (pszToken) |
187 |
|
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
188 |
|
} |
189 |
|
else pszResult = achResult; |
190 |
|
// The result string is now set to the command response, if any. |
191 |
|
} else { |
192 |
|
// Parse the error/warning message, skip first colon... |
193 |
|
pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
194 |
|
if (pszToken) { |
195 |
|
// Get the error number... |
196 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
197 |
if (pszToken) { |
if (pszToken) { |
198 |
// Get the error number... |
iErrno = atoi(pszToken); |
199 |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
// And make the message text our final result. |
200 |
if (pszToken) { |
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
|
iErrno = atoi(pszToken); |
|
|
// And make the message text our final result. |
|
|
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
|
|
} |
|
201 |
} |
} |
|
// The result string is set to the error/warning message text. |
|
202 |
} |
} |
203 |
|
// The result string is set to the error/warning message text. |
204 |
} |
} |
205 |
else if (cchResult == 0) { |
break; |
206 |
// Damn, server disconnected, we better free everything down here. |
|
207 |
lscp_socket_agent_free(&(pClient->evt)); |
case LSCP_TIMEOUT: |
208 |
lscp_socket_agent_free(&(pClient->cmd)); |
// We have trouble... |
209 |
// Fake a result message. |
pClient->iTimeoutCount++; |
|
ret = LSCP_QUIT; |
|
|
pszResult = "Server terminated the connection"; |
|
|
iErrno = (int) ret; |
|
|
} else { |
|
|
// What's down? |
|
|
lscp_socket_perror("_lscp_client_call: recv"); |
|
|
pszResult = "Failure during receive operation"; |
|
|
} |
|
|
} // Check if select has timed out. |
|
|
else if (iSelect == 0) { |
|
210 |
// Fake a result message. |
// Fake a result message. |
|
ret = LSCP_TIMEOUT; |
|
211 |
pszResult = "Timeout during receive operation"; |
pszResult = "Timeout during receive operation"; |
212 |
iErrno = (int) ret; |
iErrno = (int) ret; |
213 |
} |
break; |
214 |
else lscp_socket_perror("_lscp_client_call: select"); |
|
215 |
|
case LSCP_QUIT: |
216 |
|
// Fake a result message. |
217 |
|
pszResult = "Server terminated the connection"; |
218 |
|
iErrno = (int) ret; |
219 |
|
break; |
220 |
|
|
221 |
|
case LSCP_FAILED: |
222 |
|
default: |
223 |
|
// What's down? |
224 |
|
pszResult = "Failure during receive operation"; |
225 |
|
break; |
226 |
|
} |
227 |
|
|
228 |
// Make the result official... |
// Make the result official... |
229 |
lscp_client_set_result(pClient, pszResult, iErrno); |
lscp_client_set_result(pClient, pszResult, iErrno); |
276 |
return psz; |
return psz; |
277 |
} |
} |
278 |
|
|
279 |
|
// Unquote and make a duplicate of an in-split string. |
280 |
|
void lscp_unquote_dup ( char **ppszDst, char **ppszSrc ) |
281 |
|
{ |
282 |
|
// Free desteny string, if already there. |
283 |
|
if (*ppszDst) |
284 |
|
free(*ppszDst); |
285 |
|
*ppszDst = NULL; |
286 |
|
// Unquote and duplicate. |
287 |
|
if (*ppszSrc) |
288 |
|
*ppszDst = lscp_unquote(ppszSrc, 1); |
289 |
|
} |
290 |
|
|
291 |
|
|
292 |
// Custom tokenizer. |
// Custom tokenizer. |
293 |
char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
348 |
--pch; |
--pch; |
349 |
*pch = (char) 0; |
*pch = (char) 0; |
350 |
// Make it official. |
// Make it official. |
351 |
ppszSplit[i++] = lscp_unquote(&pszHead, 0); |
ppszSplit[i] = lscp_unquote(&pszHead, 0); |
352 |
// Do we need to grow? |
// Do we need to grow? |
353 |
if (i >= iSize) { |
if (++i >= iSize) { |
354 |
// Yes, but only grow in chunks. |
// Yes, but only grow in chunks. |
355 |
iSize += LSCP_SPLIT_CHUNK1; |
iSize += LSCP_SPLIT_CHUNK1; |
356 |
// Allocate and copy to new split array. |
// Allocate and copy to new split array. |
411 |
int iSize, i, j, cchSeps; |
int iSize, i, j, cchSeps; |
412 |
int *piSplit, *piNewSplit; |
int *piSplit, *piNewSplit; |
413 |
|
|
414 |
|
// Get it clean first. |
415 |
|
pchHead = lscp_ltrim((char *) pszCsv); |
416 |
|
if (*pchHead == (char) 0) |
417 |
|
return NULL; |
418 |
|
|
419 |
// Initial size is one chunk away. |
// Initial size is one chunk away. |
420 |
iSize = LSCP_SPLIT_CHUNK1; |
iSize = LSCP_SPLIT_CHUNK1; |
421 |
// Allocate and split... |
// Allocate and split... |
425 |
|
|
426 |
// Make a copy of the original string. |
// Make a copy of the original string. |
427 |
i = 0; |
i = 0; |
|
pchHead = (char *) pszCsv; |
|
428 |
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
429 |
free(piSplit); |
free(piSplit); |
430 |
return NULL; |
return NULL; |
436 |
// Pre-advance to next item. |
// Pre-advance to next item. |
437 |
pchHead = pch + cchSeps; |
pchHead = pch + cchSeps; |
438 |
// Make it official. |
// Make it official. |
439 |
piSplit[i++] = atoi(pchHead); |
piSplit[i] = atoi(pchHead); |
440 |
// Do we need to grow? |
// Do we need to grow? |
441 |
if (i >= iSize) { |
if (++i >= iSize) { |
442 |
// Yes, but only grow in chunks. |
// Yes, but only grow in chunks. |
443 |
iSize += LSCP_SPLIT_CHUNK1; |
iSize += LSCP_SPLIT_CHUNK1; |
444 |
// Allocate and copy to new split array. |
// Allocate and copy to new split array. |
575 |
#endif // LSCP_PSPLIT_COUNT |
#endif // LSCP_PSPLIT_COUNT |
576 |
|
|
577 |
|
|
578 |
|
// Allocate a parameter list, optionally copying an existing one. |
579 |
|
void lscp_plist_alloc (lscp_param_t **ppList) |
580 |
|
{ |
581 |
|
lscp_param_t *pParams; |
582 |
|
int iSize, i; |
583 |
|
|
584 |
|
if (ppList) { |
585 |
|
iSize = LSCP_SPLIT_CHUNK1; |
586 |
|
pParams = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
587 |
|
if (pParams) { |
588 |
|
for (i = 0 ; i < iSize; i++) { |
589 |
|
pParams[i].key = NULL; |
590 |
|
pParams[i].value = NULL; |
591 |
|
} |
592 |
|
} |
593 |
|
*ppList = pParams; |
594 |
|
} |
595 |
|
} |
596 |
|
|
597 |
|
|
598 |
|
// Destroy a parameter list, including all it's contents. |
599 |
|
void lscp_plist_free ( lscp_param_t **ppList ) |
600 |
|
{ |
601 |
|
lscp_param_t *pParams; |
602 |
|
int i; |
603 |
|
|
604 |
|
if (ppList) { |
605 |
|
if (*ppList) { |
606 |
|
pParams = *ppList; |
607 |
|
for (i = 0; pParams && pParams[i].key; i++) { |
608 |
|
free(pParams[i].key); |
609 |
|
free(pParams[i].value); |
610 |
|
} |
611 |
|
free(pParams); |
612 |
|
} |
613 |
|
*ppList = NULL; |
614 |
|
} |
615 |
|
} |
616 |
|
|
617 |
|
|
618 |
|
// Add an item to a parameter list, growing it as fit. |
619 |
|
void lscp_plist_append ( lscp_param_t **ppList, const char *pszKey, const char *pszValue ) |
620 |
|
{ |
621 |
|
lscp_param_t *pParams; |
622 |
|
lscp_param_t *pNewParams; |
623 |
|
int iSize, iNewSize; |
624 |
|
int i = 0; |
625 |
|
|
626 |
|
if (ppList && *ppList) { |
627 |
|
pParams = *ppList; |
628 |
|
while (pParams[i].key) { |
629 |
|
if (strcasecmp(pParams[i].key, pszKey) == 0) { |
630 |
|
if (pParams[i].value) |
631 |
|
free(pParams[i].value); |
632 |
|
pParams[i].value = strdup(pszValue); |
633 |
|
return; |
634 |
|
} |
635 |
|
i++; |
636 |
|
} |
637 |
|
iSize = LSCP_SPLIT_SIZE(i); |
638 |
|
pParams[i].key = strdup(pszKey); |
639 |
|
pParams[i].value = strdup(pszValue); |
640 |
|
if (++i >= iSize) { |
641 |
|
iNewSize = iSize + LSCP_SPLIT_CHUNK1; |
642 |
|
pNewParams = (lscp_param_t *) malloc(iNewSize * sizeof(lscp_param_t)); |
643 |
|
for (i = 0; i < iSize; i++) { |
644 |
|
pNewParams[i].key = pParams[i].key; |
645 |
|
pNewParams[i].value = pParams[i].value; |
646 |
|
} |
647 |
|
for ( ; i < iNewSize; i++) { |
648 |
|
pNewParams[i].key = NULL; |
649 |
|
pNewParams[i].value = NULL; |
650 |
|
} |
651 |
|
free(pParams); |
652 |
|
*ppList = pNewParams; |
653 |
|
} |
654 |
|
} |
655 |
|
} |
656 |
|
|
657 |
|
#ifdef LSCP_PLIST_COUNT |
658 |
|
|
659 |
|
// Compute a parameter list valid item count. |
660 |
|
int lscp_plist_count ( lscp_param_t **ppList ) |
661 |
|
{ |
662 |
|
lscp_param_t *pParams; |
663 |
|
int i = 0; |
664 |
|
if (ppList && *ppList) { |
665 |
|
pParams = *ppList; |
666 |
|
while (pParams[i].key) |
667 |
|
i++; |
668 |
|
} |
669 |
|
return i; |
670 |
|
} |
671 |
|
|
672 |
|
// Compute the legal parameter list size. |
673 |
|
int lscp_plist_size ( lscp_param_t **ppList ) |
674 |
|
{ |
675 |
|
return LSCP_SPLIT_SIZE(lscp_plist_count(ppList)); |
676 |
|
} |
677 |
|
|
678 |
|
#endif // LSCP_PLIST_COUNT |
679 |
|
|
680 |
|
|
681 |
|
//------------------------------------------------------------------------- |
682 |
|
// Server info struct helper functions. |
683 |
|
|
684 |
|
void lscp_server_info_init ( lscp_server_info_t *pServerInfo ) |
685 |
|
{ |
686 |
|
pServerInfo->description = NULL; |
687 |
|
pServerInfo->version = NULL; |
688 |
|
} |
689 |
|
|
690 |
|
void lscp_server_info_free ( lscp_server_info_t *pServerInfo ) |
691 |
|
{ |
692 |
|
if (pServerInfo->description) |
693 |
|
free(pServerInfo->description); |
694 |
|
if (pServerInfo->version) |
695 |
|
free(pServerInfo->version); |
696 |
|
} |
697 |
|
|
698 |
|
void lscp_server_info_reset ( lscp_server_info_t *pServerInfo ) |
699 |
|
{ |
700 |
|
lscp_server_info_free(pServerInfo); |
701 |
|
lscp_server_info_init(pServerInfo); |
702 |
|
} |
703 |
|
|
704 |
|
|
705 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
706 |
// Engine info struct helper functions. |
// Engine info struct helper functions. |
707 |
|
|
711 |
pEngineInfo->version = NULL; |
pEngineInfo->version = NULL; |
712 |
} |
} |
713 |
|
|
714 |
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
void lscp_engine_info_free ( lscp_engine_info_t *pEngineInfo ) |
715 |
{ |
{ |
716 |
if (pEngineInfo->description) |
if (pEngineInfo->description) |
717 |
free(pEngineInfo->description); |
free(pEngineInfo->description); |
718 |
if (pEngineInfo->version) |
if (pEngineInfo->version) |
719 |
free(pEngineInfo->version); |
free(pEngineInfo->version); |
720 |
|
} |
721 |
|
|
722 |
|
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
723 |
|
{ |
724 |
|
lscp_engine_info_free(pEngineInfo); |
725 |
lscp_engine_info_init(pEngineInfo); |
lscp_engine_info_init(pEngineInfo); |
726 |
} |
} |
727 |
|
|
737 |
pChannelInfo->audio_routing = NULL; |
pChannelInfo->audio_routing = NULL; |
738 |
pChannelInfo->instrument_file = NULL; |
pChannelInfo->instrument_file = NULL; |
739 |
pChannelInfo->instrument_nr = 0; |
pChannelInfo->instrument_nr = 0; |
740 |
|
pChannelInfo->instrument_name = NULL; |
741 |
pChannelInfo->instrument_status = 0; |
pChannelInfo->instrument_status = 0; |
742 |
pChannelInfo->midi_device = 0; |
pChannelInfo->midi_device = 0; |
743 |
pChannelInfo->midi_port = 0; |
pChannelInfo->midi_port = 0; |
744 |
pChannelInfo->midi_channel = 0; |
pChannelInfo->midi_channel = 0; |
745 |
pChannelInfo->volume = 0.0; |
pChannelInfo->volume = 0.0; |
746 |
|
pChannelInfo->mute = 0; |
747 |
|
pChannelInfo->solo = 0; |
748 |
} |
} |
749 |
|
|
750 |
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
void lscp_channel_info_free ( lscp_channel_info_t *pChannelInfo ) |
751 |
{ |
{ |
752 |
if (pChannelInfo->engine_name) |
if (pChannelInfo->engine_name) |
753 |
free(pChannelInfo->engine_name); |
free(pChannelInfo->engine_name); |
755 |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
756 |
if (pChannelInfo->instrument_file) |
if (pChannelInfo->instrument_file) |
757 |
free(pChannelInfo->instrument_file); |
free(pChannelInfo->instrument_file); |
758 |
|
if (pChannelInfo->instrument_name) |
759 |
|
free(pChannelInfo->instrument_name); |
760 |
|
} |
761 |
|
|
762 |
|
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
763 |
|
{ |
764 |
|
lscp_channel_info_free(pChannelInfo); |
765 |
lscp_channel_info_init(pChannelInfo); |
lscp_channel_info_init(pChannelInfo); |
766 |
} |
} |
767 |
|
|
776 |
pDriverInfo->parameters = NULL; |
pDriverInfo->parameters = NULL; |
777 |
} |
} |
778 |
|
|
779 |
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
void lscp_driver_info_free ( lscp_driver_info_t *pDriverInfo ) |
780 |
{ |
{ |
781 |
if (pDriverInfo->description) |
if (pDriverInfo->description) |
782 |
free(pDriverInfo->description); |
free(pDriverInfo->description); |
783 |
if (pDriverInfo->version) |
if (pDriverInfo->version) |
784 |
free(pDriverInfo->version); |
free(pDriverInfo->version); |
785 |
lscp_szsplit_destroy(pDriverInfo->parameters); |
lscp_szsplit_destroy(pDriverInfo->parameters); |
786 |
|
} |
787 |
|
|
788 |
|
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
789 |
|
{ |
790 |
|
lscp_driver_info_free(pDriverInfo); |
791 |
lscp_driver_info_init(pDriverInfo); |
lscp_driver_info_init(pDriverInfo); |
792 |
} |
} |
793 |
|
|
794 |
|
|
795 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
796 |
|
// Device info struct functions. |
797 |
|
|
798 |
|
void lscp_device_info_init ( lscp_device_info_t *pDeviceInfo ) |
799 |
|
{ |
800 |
|
pDeviceInfo->driver = NULL; |
801 |
|
lscp_plist_alloc(&(pDeviceInfo->params)); |
802 |
|
} |
803 |
|
|
804 |
|
void lscp_device_info_free ( lscp_device_info_t *pDeviceInfo ) |
805 |
|
{ |
806 |
|
if (pDeviceInfo->driver) |
807 |
|
free(pDeviceInfo->driver); |
808 |
|
lscp_plist_free(&(pDeviceInfo->params)); |
809 |
|
} |
810 |
|
|
811 |
|
void lscp_device_info_reset ( lscp_device_info_t *pDeviceInfo ) |
812 |
|
{ |
813 |
|
lscp_device_info_free(pDeviceInfo); |
814 |
|
lscp_device_info_init(pDeviceInfo); |
815 |
|
} |
816 |
|
|
817 |
|
|
818 |
|
//------------------------------------------------------------------------- |
819 |
|
// Device channel/port info struct functions. |
820 |
|
|
821 |
|
void lscp_device_port_info_init ( lscp_device_port_info_t *pDevicePortInfo ) |
822 |
|
{ |
823 |
|
pDevicePortInfo->name = NULL; |
824 |
|
lscp_plist_alloc(&(pDevicePortInfo->params)); |
825 |
|
} |
826 |
|
|
827 |
|
void lscp_device_port_info_free ( lscp_device_port_info_t *pDevicePortInfo ) |
828 |
|
{ |
829 |
|
if (pDevicePortInfo->name) |
830 |
|
free(pDevicePortInfo->name); |
831 |
|
lscp_plist_free(&(pDevicePortInfo->params)); |
832 |
|
} |
833 |
|
|
834 |
|
void lscp_device_port_info_reset ( lscp_device_port_info_t *pDevicePortInfo ) |
835 |
|
{ |
836 |
|
lscp_device_port_info_free(pDevicePortInfo); |
837 |
|
lscp_device_port_info_init(pDevicePortInfo); |
838 |
|
} |
839 |
|
|
840 |
|
|
841 |
|
//------------------------------------------------------------------------- |
842 |
// Parameter struct helper functions. |
// Parameter struct helper functions. |
843 |
|
|
844 |
void lscp_param_info_init ( lscp_param_info_t *pParamInfo ) |
void lscp_param_info_init ( lscp_param_info_t *pParamInfo ) |
855 |
pParamInfo->possibilities = NULL; |
pParamInfo->possibilities = NULL; |
856 |
} |
} |
857 |
|
|
858 |
void lscp_param_info_reset ( lscp_param_info_t *pParamInfo ) |
void lscp_param_info_free ( lscp_param_info_t *pParamInfo ) |
859 |
{ |
{ |
860 |
if (pParamInfo->description) |
if (pParamInfo->description) |
861 |
free(pParamInfo->description); |
free(pParamInfo->description); |
867 |
if (pParamInfo->range_max) |
if (pParamInfo->range_max) |
868 |
free(pParamInfo->range_max); |
free(pParamInfo->range_max); |
869 |
lscp_szsplit_destroy(pParamInfo->possibilities); |
lscp_szsplit_destroy(pParamInfo->possibilities); |
870 |
|
} |
871 |
|
|
872 |
|
void lscp_param_info_reset ( lscp_param_info_t *pParamInfo ) |
873 |
|
{ |
874 |
|
lscp_param_info_free(pParamInfo); |
875 |
lscp_param_info_init(pParamInfo); |
lscp_param_info_init(pParamInfo); |
876 |
} |
} |
877 |
|
|
878 |
|
|
879 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
880 |
// Concatenate a parameter list (key='value'...) into a string. |
// Concatenate a parameter list (key='value'...) into a string, |
881 |
|
// appending a crlf terminator. |
882 |
|
|
883 |
int lscp_param_concat ( char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams ) |
int lscp_param_concat ( char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams ) |
884 |
{ |
{ |
885 |
int cchBuffer, cchParam, i; |
int cchBuffer, cchParam, i; |
886 |
|
|
887 |
if (pszBuffer == NULL || pParams == NULL) |
if (pszBuffer == NULL) |
888 |
return 0; |
return 0; |
889 |
|
|
890 |
cchBuffer = strlen(pszBuffer); |
cchBuffer = strlen(pszBuffer); |
891 |
for (i = 0; pParams[i].key && pParams[i].value; i++) { |
for (i = 0; pParams && pParams[i].key && pParams[i].value; i++) { |
892 |
cchParam = strlen(pParams[i].key) + strlen(pParams[i].value) + 4; |
cchParam = strlen(pParams[i].key) + strlen(pParams[i].value) + 4; |
893 |
if (cchBuffer + cchParam < cchMaxBuffer) { |
if (cchBuffer + cchParam + 2 < cchMaxBuffer) { |
894 |
sprintf(pszBuffer + cchBuffer, " %s='%s'", pParams[i].key, pParams[i].value); |
sprintf(pszBuffer + cchBuffer, " %s='%s'", pParams[i].key, pParams[i].value); |
895 |
cchBuffer += cchParam; |
cchBuffer += cchParam; |
896 |
} |
} |
897 |
} |
} |
898 |
|
|
899 |
|
if (cchBuffer + 2 < cchMaxBuffer) { |
900 |
|
pszBuffer[cchBuffer++] = '\r'; |
901 |
|
pszBuffer[cchBuffer++] = '\n'; |
902 |
|
pszBuffer[cchBuffer ] = (char) 0; |
903 |
|
} |
904 |
|
|
905 |
return cchBuffer; |
return cchBuffer; |
906 |
} |
} |
907 |
|
|