1 |
// client.c |
// common.c |
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) 2004-2006, rncbc aka Rui Nuno Capela. All rights reserved. |
6 |
|
|
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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 |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 |
Lesser General Public License for more details. |
Lesser General Public License for more details. |
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|
|
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You should have received a copy of the GNU Lesser General Public |
You should have received a copy of the GNU General Public License along |
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License along with this library; if not, write to the Free Software |
with this program; if not, write to the Free Software Foundation, Inc., |
19 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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|
|
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*****************************************************************************/ |
*****************************************************************************/ |
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|
25 |
#include <ctype.h> |
#include <ctype.h> |
26 |
|
|
27 |
|
|
28 |
// Chunk size magic: |
// Split chunk size magic: |
29 |
// LSCP_SPLIT_CHUNK1 = 2 ^ LSCP_SPLIT_CHUNK2 |
// LSCP_SPLIT_CHUNK1 := 2 ^ LSCP_SPLIT_CHUNK2 |
30 |
#define LSCP_SPLIT_CHUNK1 4 |
#define LSCP_SPLIT_CHUNK1 4 |
31 |
#define LSCP_SPLIT_CHUNK2 2 |
#define LSCP_SPLIT_CHUNK2 2 |
32 |
// Chunk size legal calculator. |
// Chunk size legal calculator. |
39 |
// Result buffer internal settler. |
// Result buffer internal settler. |
40 |
void lscp_client_set_result ( lscp_client_t *pClient, char *pszResult, int iErrno ) |
void lscp_client_set_result ( lscp_client_t *pClient, char *pszResult, int iErrno ) |
41 |
{ |
{ |
42 |
if (pClient->pszResult) |
if (pClient->pszResult) |
43 |
free(pClient->pszResult); |
free(pClient->pszResult); |
44 |
pClient->pszResult = NULL; |
pClient->pszResult = NULL; |
45 |
|
|
46 |
pClient->iErrno = iErrno; |
pClient->iErrno = iErrno; |
47 |
|
|
48 |
if (pszResult) |
if (pszResult) |
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 |
int cchQuery; |
lscp_status_t ret = LSCP_FAILED; |
62 |
char achResult[LSCP_BUFSIZ]; |
|
63 |
int cchResult; |
if (pClient == NULL) |
64 |
const char *pszSeps = ":[]"; |
return ret; |
65 |
char *pszResult; |
|
66 |
char *pszToken; |
// Prepare for waiting on select... |
67 |
char *pch; |
fd = (int) pClient->cmd.sock; |
68 |
int iErrno; |
FD_ZERO(&fds); |
69 |
|
FD_SET((unsigned int) fd, &fds); |
70 |
lscp_status_t ret = LSCP_FAILED; |
fdmax = fd; |
71 |
|
|
72 |
if (pClient == NULL) |
// Use the timeout select feature... |
73 |
return ret; |
if (iTimeout < 1) |
74 |
|
iTimeout = pClient->iTimeout; |
75 |
pszResult = NULL; |
if (iTimeout >= 1000) { |
76 |
iErrno = -1; |
tv.tv_sec = iTimeout / 1000; |
77 |
|
iTimeout -= tv.tv_sec * 1000; |
78 |
// Check if command socket socket is still valid. |
} |
79 |
if (pClient->cmd.sock == INVALID_SOCKET) { |
else tv.tv_sec = 0; |
80 |
pszResult = "Connection closed or no longer valid"; |
tv.tv_usec = iTimeout * 1000; |
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lscp_client_set_result(pClient, pszResult, iErrno); |
|
82 |
return ret; |
// Wait for event... |
83 |
} |
iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
84 |
|
if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
85 |
// Send data, and then, wait for the result... |
// May recv now... |
86 |
cchQuery = strlen(pszQuery); |
*pcchBuffer = recv(pClient->cmd.sock, pchBuffer, *pcchBuffer, 0); |
87 |
if (send(pClient->cmd.sock, pszQuery, cchQuery, 0) < cchQuery) { |
if (*pcchBuffer > 0) |
88 |
lscp_socket_perror("_lscp_client_call: send"); |
ret = LSCP_OK; |
89 |
pszResult = "Failure during send operation"; |
else if (*pcchBuffer < 0) |
90 |
lscp_client_set_result(pClient, pszResult, iErrno); |
lscp_socket_perror("lscp_client_recv: recv"); |
91 |
return ret; |
else if (*pcchBuffer == 0) { |
92 |
} |
// Damn, server probably disconnected, |
93 |
|
// we better free everything down here. |
94 |
// Prepare for waiting on select... |
lscp_socket_agent_free(&(pClient->evt)); |
95 |
fd = (int) pClient->cmd.sock; |
lscp_socket_agent_free(&(pClient->cmd)); |
96 |
FD_ZERO(&fds); |
// Fake a result message. |
97 |
FD_SET((unsigned int) fd, &fds); |
ret = LSCP_QUIT; |
98 |
fdmax = fd; |
} |
99 |
|
} // Check if select has timed out. |
100 |
// Use the timeout select feature... |
else if (iSelect == 0) |
101 |
iTimeout = pClient->iTimeout; |
ret = LSCP_TIMEOUT; |
102 |
if (iTimeout > 1000) { |
else |
103 |
tv.tv_sec = iTimeout / 1000; |
lscp_socket_perror("lscp_client_recv: select"); |
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iTimeout -= tv.tv_sec * 1000; |
|
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} |
|
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else tv.tv_sec = 0; |
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tv.tv_usec = iTimeout * 1000; |
|
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|
|
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// Wait for event... |
|
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iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
|
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if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
|
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// May recv now... |
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cchResult = recv(pClient->cmd.sock, achResult, sizeof(achResult), 0); |
|
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if (cchResult > 0) { |
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// Assume early success. |
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ret = LSCP_OK; |
|
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// Always force the result to be null terminated (and trim trailing CRLFs)! |
|
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while (cchResult > 0 && (achResult[cchResult - 1] == '\n' || achResult[cchResult- 1] == '\r')) |
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cchResult--; |
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achResult[cchResult] = (char) 0; |
|
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// Check if the response it's an error or warning message. |
|
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if (strncasecmp(achResult, "WRN:", 4) == 0) |
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ret = LSCP_WARNING; |
|
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else if (strncasecmp(achResult, "ERR:", 4) == 0) |
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ret = LSCP_ERROR; |
|
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// So we got a result... |
|
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if (ret == LSCP_OK) { |
|
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// Reset errno in case of success. |
|
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iErrno = 0; |
|
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// Is it a special successful response? |
|
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if (strncasecmp(achResult, "OK[", 3) == 0) { |
|
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// Parse the OK message, get the return string under brackets... |
|
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pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
|
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if (pszToken) |
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pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
|
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} |
|
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else pszResult = achResult; |
|
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// The result string is now set to the command response, if any. |
|
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} else { |
|
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// Parse the error/warning message, skip first colon... |
|
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pszToken = lscp_strtok(achResult, pszSeps, &(pch)); |
|
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if (pszToken) { |
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// Get the error number... |
|
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
|
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if (pszToken) { |
|
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iErrno = atoi(pszToken); |
|
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// And make the message text our final result. |
|
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pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
|
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} |
|
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} |
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// The result string is set to the error/warning message text. |
|
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} |
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} |
|
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else if (cchResult == 0) { |
|
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// Damn, server disconnected, we better free everything down here. |
|
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lscp_socket_agent_free(&(pClient->evt)); |
|
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lscp_socket_agent_free(&(pClient->cmd)); |
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// Fake a result message. |
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ret = LSCP_QUIT; |
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pszResult = "Server terminated the connection"; |
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iErrno = (int) ret; |
|
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} else { |
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// What's down? |
|
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lscp_socket_perror("_lscp_client_call: recv"); |
|
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pszResult = "Failure during receive operation"; |
|
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} |
|
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} // Check if select has timed out. |
|
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else if (iSelect == 0) { |
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// Fake a result message. |
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ret = LSCP_TIMEOUT; |
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pszResult = "Timeout during receive operation"; |
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iErrno = (int) ret; |
|
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} |
|
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else lscp_socket_perror("_lscp_client_call: select"); |
|
104 |
|
|
105 |
// Make the result official... |
return ret; |
106 |
lscp_client_set_result(pClient, pszResult, iErrno); |
} |
107 |
|
|
108 |
return ret; |
|
109 |
|
// The main client requester call executive. |
110 |
|
lscp_status_t lscp_client_call ( lscp_client_t *pClient, const char *pszQuery, int iResult ) |
111 |
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{ |
112 |
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int cchQuery; |
113 |
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char achBuffer[LSCP_BUFSIZ]; |
114 |
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int cchBuffer; |
115 |
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const char *pszSeps = ":[]"; |
116 |
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char *pszBuffer; |
117 |
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char *pszToken; |
118 |
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char *pch; |
119 |
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int iErrno; |
120 |
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char *pszResult; |
121 |
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int cchResult; |
122 |
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123 |
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lscp_status_t ret = LSCP_FAILED; |
124 |
|
|
125 |
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if (pClient == NULL) |
126 |
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return ret; |
127 |
|
|
128 |
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iErrno = -1; |
129 |
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cchResult = 0; |
130 |
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pszResult = NULL; |
131 |
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pszBuffer = NULL; |
132 |
|
|
133 |
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// Check if command socket socket is still valid. |
134 |
|
if (pClient->cmd.sock == INVALID_SOCKET) { |
135 |
|
pszResult = "Connection closed or no longer valid"; |
136 |
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lscp_client_set_result(pClient, pszResult, iErrno); |
137 |
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return ret; |
138 |
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} |
139 |
|
|
140 |
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// Check if last transaction has timed out, in which case |
141 |
|
// we'll retry wait and flush for some pending garbage... |
142 |
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if (pClient->iTimeoutCount > 0) { |
143 |
|
// We'll hope to get rid of timeout trouble... |
144 |
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pClient->iTimeoutCount = 0; |
145 |
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cchBuffer = sizeof(achBuffer); |
146 |
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ret = lscp_client_recv(pClient, achBuffer, &cchBuffer, pClient->iTimeout); |
147 |
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if (ret != LSCP_OK) { |
148 |
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// Things seems to be unresolved. Fake a result message. |
149 |
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iErrno = (int) ret; |
150 |
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pszResult = "Failure during flush timeout operation"; |
151 |
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lscp_client_set_result(pClient, pszResult, iErrno); |
152 |
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return ret; |
153 |
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} |
154 |
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} |
155 |
|
|
156 |
|
// Send data, and then, wait for the result... |
157 |
|
cchQuery = strlen(pszQuery); |
158 |
|
if (send(pClient->cmd.sock, pszQuery, cchQuery, 0) < cchQuery) { |
159 |
|
lscp_socket_perror("lscp_client_call: send"); |
160 |
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pszResult = "Failure during send operation"; |
161 |
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lscp_client_set_result(pClient, pszResult, iErrno); |
162 |
|
return ret; |
163 |
|
} |
164 |
|
|
165 |
|
// Keep receiving while result is not the expected one: |
166 |
|
// single-line result (iResult = 0) : one single CRLF ends the receipt; |
167 |
|
// multi-line result (iResult > 0) : one "." followed by a last CRLF; |
168 |
|
|
169 |
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while (pszResult == NULL) { |
170 |
|
|
171 |
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// Wait for receive event... |
172 |
|
cchBuffer = sizeof(achBuffer) - 1; |
173 |
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ret = lscp_client_recv(pClient, achBuffer, &cchBuffer, pClient->iTimeout); |
174 |
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|
175 |
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switch (ret) { |
176 |
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|
177 |
|
case LSCP_OK: |
178 |
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// Always force the result to be null terminated. |
179 |
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achBuffer[cchBuffer] = (char) 0; |
180 |
|
// Check if the response it's an error or warning message. |
181 |
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if (strncasecmp(achBuffer, "WRN:", 4) == 0) |
182 |
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ret = LSCP_WARNING; |
183 |
|
else if (strncasecmp(achBuffer, "ERR:", 4) == 0) |
184 |
|
ret = LSCP_ERROR; |
185 |
|
// So we got a result... |
186 |
|
if (ret == LSCP_OK) { |
187 |
|
// Reset errno in case of success. |
188 |
|
iErrno = 0; |
189 |
|
// Is it a special successful response? |
190 |
|
if (iResult < 1 && strncasecmp(achBuffer, "OK[", 3) == 0) { |
191 |
|
// Parse the OK message, get the return string under brackets... |
192 |
|
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); |
193 |
|
if (pszToken) |
194 |
|
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
195 |
|
} else { |
196 |
|
// It can be specially long response... |
197 |
|
cchResult += sizeof(achBuffer); |
198 |
|
pszResult = malloc(cchResult + 1); |
199 |
|
pszResult[0] = (char) 0; |
200 |
|
if (pszBuffer) { |
201 |
|
strcat(pszResult, pszBuffer); |
202 |
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free(pszBuffer); |
203 |
|
} |
204 |
|
strcat(pszResult, achBuffer); |
205 |
|
pszBuffer = pszResult; |
206 |
|
pszResult = NULL; |
207 |
|
// Check for correct end-of-transmission... |
208 |
|
// Depending whether its single or multi-line we'll |
209 |
|
// flag end-of-transmission... |
210 |
|
cchBuffer = strlen(pszBuffer); |
211 |
|
if (cchBuffer >= 2 |
212 |
|
&& pszBuffer[cchBuffer - 1] == '\n' |
213 |
|
&& pszBuffer[cchBuffer - 2] == '\r' |
214 |
|
&& (iResult < 1 || (cchBuffer >= 3 |
215 |
|
&& pszBuffer[cchBuffer - 3] == '.'))) { |
216 |
|
// Get rid of the trailling dot and CRLF anyway... |
217 |
|
while (cchBuffer > 0 && ( |
218 |
|
pszBuffer[cchBuffer - 1] == '\r' || |
219 |
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pszBuffer[cchBuffer - 1] == '\n' || |
220 |
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pszBuffer[cchBuffer - 1] == '.')) |
221 |
|
cchBuffer--; |
222 |
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pszBuffer[cchBuffer] = (char) 0; |
223 |
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pszResult = pszBuffer; |
224 |
|
} |
225 |
|
} |
226 |
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// The result string is now set to the command response, if any. |
227 |
|
} else { |
228 |
|
// Get rid of the CRLF anyway... |
229 |
|
while (cchBuffer > 0 && ( |
230 |
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achBuffer[cchBuffer - 1] == '\r' || |
231 |
|
achBuffer[cchBuffer - 1] == '\n')) |
232 |
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achBuffer[--cchBuffer] = (char) 0; |
233 |
|
// Parse the error/warning message, skip first colon... |
234 |
|
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); |
235 |
|
if (pszToken) { |
236 |
|
// Get the error number... |
237 |
|
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
238 |
|
if (pszToken) { |
239 |
|
iErrno = atoi(pszToken) + 100; |
240 |
|
// And make the message text our final result. |
241 |
|
pszResult = lscp_strtok(NULL, pszSeps, &(pch)); |
242 |
|
} |
243 |
|
} |
244 |
|
// The result string is set to the error/warning message text. |
245 |
|
} |
246 |
|
break; |
247 |
|
|
248 |
|
case LSCP_TIMEOUT: |
249 |
|
// We have trouble... |
250 |
|
pClient->iTimeoutCount++; |
251 |
|
// Fake a result message. |
252 |
|
pszResult = "Timeout during receive operation"; |
253 |
|
iErrno = (int) ret; |
254 |
|
break; |
255 |
|
|
256 |
|
case LSCP_QUIT: |
257 |
|
// Fake a result message. |
258 |
|
pszResult = "Server terminated the connection"; |
259 |
|
iErrno = (int) ret; |
260 |
|
break; |
261 |
|
|
262 |
|
case LSCP_FAILED: |
263 |
|
default: |
264 |
|
// What's down? |
265 |
|
pszResult = "Failure during receive operation"; |
266 |
|
break; |
267 |
|
} |
268 |
|
} |
269 |
|
|
270 |
|
// Make the result official... |
271 |
|
lscp_client_set_result(pClient, pszResult, iErrno); |
272 |
|
|
273 |
|
// Free long-buffer, if any... |
274 |
|
if (pszBuffer) |
275 |
|
free(pszBuffer); |
276 |
|
|
277 |
|
return ret; |
278 |
} |
} |
279 |
|
|
280 |
|
|
284 |
// Trimming left spaces... |
// Trimming left spaces... |
285 |
char *lscp_ltrim ( char *psz ) |
char *lscp_ltrim ( char *psz ) |
286 |
{ |
{ |
287 |
while (isspace(*psz)) |
while (isspace(*psz)) |
288 |
psz++; |
psz++; |
289 |
return psz; |
return psz; |
290 |
} |
} |
291 |
|
|
292 |
// Unquote an in-split string. |
// Unquote an in-split string. |
293 |
char *lscp_unquote ( char **ppsz, int dup ) |
char *lscp_unquote ( char **ppsz, int dup ) |
294 |
{ |
{ |
295 |
char chQuote; |
char chQuote; |
296 |
char *psz = *ppsz; |
char *psz = *ppsz; |
297 |
|
|
298 |
while (isspace(*psz)) |
while (isspace(*psz)) |
299 |
++psz; |
++psz; |
300 |
if (*psz == '\"' || *psz == '\'') { |
if (*psz == '\"' || *psz == '\'') { |
301 |
chQuote = *psz++; |
chQuote = *psz++; |
302 |
while (isspace(*psz)) |
while (isspace(*psz)) |
303 |
++psz; |
++psz; |
304 |
if (dup) |
if (dup) |
305 |
psz = strdup(psz); |
psz = strdup(psz); |
306 |
*ppsz = psz; |
*ppsz = psz; |
307 |
if (*ppsz) { |
if (*ppsz) { |
308 |
while (**ppsz && **ppsz != chQuote) |
while (**ppsz && **ppsz != chQuote) |
309 |
++(*ppsz); |
++(*ppsz); |
310 |
if (**ppsz) { |
if (**ppsz) { |
311 |
while (isspace(*(*ppsz - 1)) && *ppsz > psz) |
while (isspace(*(*ppsz - 1)) && *ppsz > psz) |
312 |
--(*ppsz); |
--(*ppsz); |
313 |
*(*ppsz)++ = (char) 0; |
*(*ppsz)++ = (char) 0; |
314 |
} |
} |
315 |
} |
} |
316 |
} |
} |
317 |
else if (dup) { |
else if (dup) { |
318 |
psz = strdup(psz); |
psz = strdup(psz); |
319 |
*ppsz = psz; |
*ppsz = psz; |
320 |
} |
} |
321 |
|
|
322 |
|
return psz; |
323 |
|
} |
324 |
|
|
325 |
return psz; |
// Unquote and make a duplicate of an in-split string. |
326 |
|
void lscp_unquote_dup ( char **ppszDst, char **ppszSrc ) |
327 |
|
{ |
328 |
|
// Free desteny string, if already there. |
329 |
|
if (*ppszDst) |
330 |
|
free(*ppszDst); |
331 |
|
*ppszDst = NULL; |
332 |
|
// Unquote and duplicate. |
333 |
|
if (*ppszSrc) |
334 |
|
*ppszDst = lscp_unquote(ppszSrc, 1); |
335 |
} |
} |
336 |
|
|
337 |
|
|
338 |
// Custom tokenizer. |
// Custom tokenizer. |
339 |
char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
char *lscp_strtok ( char *pchBuffer, const char *pszSeps, char **ppch ) |
340 |
{ |
{ |
341 |
char *pszToken; |
char *pszToken; |
342 |
|
|
343 |
if (pchBuffer == NULL) |
if (pchBuffer == NULL) |
344 |
pchBuffer = *ppch; |
pchBuffer = *ppch; |
345 |
|
|
346 |
pchBuffer += strspn(pchBuffer, pszSeps); |
pchBuffer += strspn(pchBuffer, pszSeps); |
347 |
if (*pchBuffer == '\0') |
if (*pchBuffer == '\0') |
348 |
return NULL; |
return NULL; |
349 |
|
|
350 |
pszToken = pchBuffer; |
pszToken = pchBuffer; |
351 |
pchBuffer = strpbrk(pszToken, pszSeps); |
pchBuffer = strpbrk(pszToken, pszSeps); |
352 |
if (pchBuffer == NULL) { |
if (pchBuffer == NULL) { |
353 |
*ppch = strchr(pszToken, '\0'); |
*ppch = strchr(pszToken, '\0'); |
354 |
} else { |
} else { |
355 |
*pchBuffer = '\0'; |
*pchBuffer = '\0'; |
356 |
*ppch = pchBuffer + 1; |
*ppch = pchBuffer + 1; |
357 |
while (**ppch && strchr(pszSeps, **ppch)) |
while (**ppch && strchr(pszSeps, **ppch)) |
358 |
(*ppch)++; |
(*ppch)++; |
359 |
} |
} |
360 |
|
|
361 |
return pszToken; |
return pszToken; |
362 |
} |
} |
363 |
|
|
364 |
|
|
365 |
// Split a comma separated string into a null terminated array of strings. |
// Split a comma separated string into a null terminated array of strings. |
366 |
char **lscp_szsplit_create ( const char *pszCsv, const char *pszSeps ) |
char **lscp_szsplit_create ( const char *pszCsv, const char *pszSeps ) |
367 |
{ |
{ |
368 |
char *pszHead, *pch; |
char *pszHead, *pch; |
369 |
int iSize, i, j, cchSeps; |
int iSize, i, j, cchSeps; |
370 |
char **ppszSplit, **ppszNewSplit; |
char **ppszSplit, **ppszNewSplit; |
371 |
|
|
372 |
// Initial size is one chunk away. |
// Initial size is one chunk away. |
373 |
iSize = LSCP_SPLIT_CHUNK1; |
iSize = LSCP_SPLIT_CHUNK1; |
374 |
// Allocate and split... |
// Allocate and split... |
375 |
ppszSplit = (char **) malloc(iSize * sizeof(char *)); |
ppszSplit = (char **) malloc(iSize * sizeof(char *)); |
376 |
if (ppszSplit == NULL) |
if (ppszSplit == NULL) |
377 |
return NULL; |
return NULL; |
378 |
|
|
379 |
// Make a copy of the original string. |
// Make a copy of the original string. |
380 |
i = 0; |
i = 0; |
381 |
pszHead = (char *) pszCsv; |
pszHead = (char *) pszCsv; |
382 |
if ((ppszSplit[i++] = lscp_unquote(&pszHead, 1)) == NULL) { |
if ((ppszSplit[i++] = lscp_unquote(&pszHead, 1)) == NULL) { |
383 |
free(ppszSplit); |
free(ppszSplit); |
384 |
return NULL; |
return NULL; |
385 |
} |
} |
386 |
|
|
387 |
// Go on for it... |
// Go on for it... |
388 |
cchSeps = strlen(pszSeps); |
cchSeps = strlen(pszSeps); |
389 |
while ((pch = strpbrk(pszHead, pszSeps)) != NULL) { |
while ((pch = strpbrk(pszHead, pszSeps)) != NULL) { |
390 |
// Pre-advance to next item. |
// Pre-advance to next item. |
391 |
pszHead = pch + cchSeps; |
pszHead = pch + cchSeps; |
392 |
// Trim and null terminate current item. |
// Trim and null terminate current item. |
393 |
while (isspace(*(pch - 1)) && pch > ppszSplit[0]) |
while (isspace(*(pch - 1)) && pch > ppszSplit[0]) |
394 |
--pch; |
--pch; |
395 |
*pch = (char) 0; |
*pch = (char) 0; |
396 |
// Make it official. |
// Make it official. |
397 |
ppszSplit[i++] = lscp_unquote(&pszHead, 0); |
ppszSplit[i] = lscp_unquote(&pszHead, 0); |
398 |
// Do we need to grow? |
// Do we need to grow? |
399 |
if (i >= iSize) { |
if (++i >= iSize) { |
400 |
// Yes, but only grow in chunks. |
// Yes, but only grow in chunks. |
401 |
iSize += LSCP_SPLIT_CHUNK1; |
iSize += LSCP_SPLIT_CHUNK1; |
402 |
// Allocate and copy to new split array. |
// Allocate and copy to new split array. |
403 |
ppszNewSplit = (char **) malloc(iSize * sizeof(char *)); |
ppszNewSplit = (char **) malloc(iSize * sizeof(char *)); |
404 |
if (ppszNewSplit) { |
if (ppszNewSplit) { |
405 |
for (j = 0; j < i; j++) |
for (j = 0; j < i; j++) |
406 |
ppszNewSplit[j] = ppszSplit[j]; |
ppszNewSplit[j] = ppszSplit[j]; |
407 |
free(ppszSplit); |
free(ppszSplit); |
408 |
ppszSplit = ppszNewSplit; |
ppszSplit = ppszNewSplit; |
409 |
} |
} |
410 |
} |
} |
411 |
} |
} |
412 |
|
|
413 |
// NULL terminate split array. |
// NULL terminate split array. |
414 |
for ( ; i < iSize; i++) |
for ( ; i < iSize; i++) |
415 |
ppszSplit[i] = NULL; |
ppszSplit[i] = NULL; |
416 |
|
|
417 |
return ppszSplit; |
return ppszSplit; |
418 |
} |
} |
419 |
|
|
420 |
|
|
421 |
// Free allocated memory of a legal null terminated array of strings. |
// Free allocated memory of a legal null terminated array of strings. |
422 |
void lscp_szsplit_destroy ( char **ppszSplit ) |
void lscp_szsplit_destroy ( char **ppszSplit ) |
423 |
{ |
{ |
424 |
// Our split string is always the first item, if any. |
// Our split string is always the first item, if any. |
425 |
if (ppszSplit && ppszSplit[0]) |
if (ppszSplit && ppszSplit[0]) |
426 |
free(ppszSplit[0]); |
free(ppszSplit[0]); |
427 |
// Now free the array itself. |
// Now free the array itself. |
428 |
if (ppszSplit) |
if (ppszSplit) |
429 |
free(ppszSplit); |
free(ppszSplit); |
430 |
} |
} |
431 |
|
|
432 |
|
|
435 |
// Return the number of items of a null terminated array of strings. |
// Return the number of items of a null terminated array of strings. |
436 |
int lscp_szsplit_count ( char **ppszSplit ) |
int lscp_szsplit_count ( char **ppszSplit ) |
437 |
{ |
{ |
438 |
int i = 0; |
int i = 0; |
439 |
while (ppszSplit && ppszSplit[i]) |
while (ppszSplit && ppszSplit[i]) |
440 |
i++; |
i++; |
441 |
return i; |
return i; |
442 |
} |
} |
443 |
|
|
444 |
// Return the allocated number of items of a splitted string array. |
// Return the allocated number of items of a splitted string array. |
445 |
int lscp_szsplit_size ( char **ppszSplit ) |
int lscp_szsplit_size ( char **ppszSplit ) |
446 |
{ |
{ |
447 |
return LSCP_SPLIT_SIZE(lscp_szsplit_count(ppszSplit)); |
return LSCP_SPLIT_SIZE(lscp_szsplit_count(ppszSplit)); |
448 |
} |
} |
449 |
|
|
450 |
#endif // LSCP_SZSPLIT_COUNT |
#endif // LSCP_SZSPLIT_COUNT |
453 |
// Split a comma separated string into a -1 terminated array of positive integers. |
// Split a comma separated string into a -1 terminated array of positive integers. |
454 |
int *lscp_isplit_create ( const char *pszCsv, const char *pszSeps ) |
int *lscp_isplit_create ( const char *pszCsv, const char *pszSeps ) |
455 |
{ |
{ |
456 |
char *pchHead, *pch; |
char *pchHead, *pch; |
457 |
int iSize, i, j, cchSeps; |
int iSize, i, j, cchSeps; |
458 |
int *piSplit, *piNewSplit; |
int *piSplit, *piNewSplit; |
459 |
|
|
460 |
// Initial size is one chunk away. |
// Get it clean first. |
461 |
iSize = LSCP_SPLIT_CHUNK1; |
pchHead = lscp_ltrim((char *) pszCsv); |
462 |
// Allocate and split... |
if (*pchHead == (char) 0) |
463 |
piSplit = (int *) malloc(iSize * sizeof(int)); |
return NULL; |
464 |
if (piSplit == NULL) |
|
465 |
return NULL; |
// Initial size is one chunk away. |
466 |
|
iSize = LSCP_SPLIT_CHUNK1; |
467 |
// Make a copy of the original string. |
// Allocate and split... |
468 |
i = 0; |
piSplit = (int *) malloc(iSize * sizeof(int)); |
469 |
pchHead = (char *) pszCsv; |
if (piSplit == NULL) |
470 |
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
return NULL; |
471 |
free(piSplit); |
|
472 |
return NULL; |
// Make a copy of the original string. |
473 |
} |
i = 0; |
474 |
|
if ((piSplit[i++] = atoi(pchHead)) < 0) { |
475 |
// Go on for it... |
free(piSplit); |
476 |
cchSeps = strlen(pszSeps); |
return NULL; |
477 |
while ((pch = strpbrk(pchHead, pszSeps)) != NULL) { |
} |
478 |
// Pre-advance to next item. |
|
479 |
pchHead = pch + cchSeps; |
// Go on for it... |
480 |
// Make it official. |
cchSeps = strlen(pszSeps); |
481 |
piSplit[i++] = atoi(pchHead); |
while ((pch = strpbrk(pchHead, pszSeps)) != NULL) { |
482 |
// Do we need to grow? |
// Pre-advance to next item. |
483 |
if (i >= iSize) { |
pchHead = pch + cchSeps; |
484 |
// Yes, but only grow in chunks. |
// Make it official. |
485 |
iSize += LSCP_SPLIT_CHUNK1; |
piSplit[i] = atoi(pchHead); |
486 |
// Allocate and copy to new split array. |
// Do we need to grow? |
487 |
piNewSplit = (int *) malloc(iSize * sizeof(int)); |
if (++i >= iSize) { |
488 |
if (piNewSplit) { |
// Yes, but only grow in chunks. |
489 |
for (j = 0; j < i; j++) |
iSize += LSCP_SPLIT_CHUNK1; |
490 |
piNewSplit[j] = piSplit[j]; |
// Allocate and copy to new split array. |
491 |
free(piSplit); |
piNewSplit = (int *) malloc(iSize * sizeof(int)); |
492 |
piSplit = piNewSplit; |
if (piNewSplit) { |
493 |
} |
for (j = 0; j < i; j++) |
494 |
} |
piNewSplit[j] = piSplit[j]; |
495 |
} |
free(piSplit); |
496 |
|
piSplit = piNewSplit; |
497 |
// NULL terminate split array. |
} |
498 |
for ( ; i < iSize; i++) |
} |
499 |
piSplit[i] = -1; |
} |
500 |
|
|
501 |
|
// NULL terminate split array. |
502 |
|
for ( ; i < iSize; i++) |
503 |
|
piSplit[i] = -1; |
504 |
|
|
505 |
return piSplit; |
return piSplit; |
506 |
} |
} |
507 |
|
|
508 |
|
|
509 |
// Destroy a integer splitted array. |
// Destroy a integer splitted array. |
510 |
void lscp_isplit_destroy ( int *piSplit ) |
void lscp_isplit_destroy ( int *piSplit ) |
511 |
{ |
{ |
512 |
if (piSplit) |
if (piSplit) |
513 |
free(piSplit); |
free(piSplit); |
514 |
} |
} |
515 |
|
|
516 |
|
|
519 |
// Compute a string list valid item count. |
// Compute a string list valid item count. |
520 |
int lscp_isplit_count ( int *piSplit ) |
int lscp_isplit_count ( int *piSplit ) |
521 |
{ |
{ |
522 |
int i = 0; |
int i = 0; |
523 |
while (piSplit && piSplit[i] >= 0) |
while (piSplit && piSplit[i] >= 0) |
524 |
i++; |
i++; |
525 |
return i; |
return i; |
526 |
} |
} |
527 |
|
|
528 |
// Compute a string list size. |
// Compute a string list size. |
529 |
int lscp_isplit_size ( int *piSplit ) |
int lscp_isplit_size ( int *piSplit ) |
530 |
{ |
{ |
531 |
return LSCP_SPLIT_SIZE(lscp_isplit_count(piSplit)); |
return LSCP_SPLIT_SIZE(lscp_isplit_count(piSplit)); |
532 |
} |
} |
533 |
|
|
534 |
#endif // LSCP_ISPLIT_COUNT |
#endif // LSCP_ISPLIT_COUNT |
535 |
|
|
536 |
|
|
537 |
|
// Split a string into a null terminated array of parameter items. |
538 |
|
lscp_param_t *lscp_psplit_create ( const char *pszCsv, const char *pszSeps1, const char *pszSeps2 ) |
539 |
|
{ |
540 |
|
char *pszHead, *pch; |
541 |
|
int iSize, i, j, cchSeps1, cchSeps2; |
542 |
|
lscp_param_t *ppSplit, *ppNewSplit; |
543 |
|
|
544 |
|
pszHead = strdup(pszCsv); |
545 |
|
if (pszHead == NULL) |
546 |
|
return NULL; |
547 |
|
|
548 |
|
iSize = LSCP_SPLIT_CHUNK1; |
549 |
|
ppSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
550 |
|
if (ppSplit == NULL) { |
551 |
|
free(pszHead); |
552 |
|
return NULL; |
553 |
|
} |
554 |
|
|
555 |
|
cchSeps1 = strlen(pszSeps1); |
556 |
|
cchSeps2 = strlen(pszSeps2); |
557 |
|
|
558 |
|
i = 0; |
559 |
|
while ((pch = strpbrk(pszHead, pszSeps1)) != NULL) { |
560 |
|
ppSplit[i].key = pszHead; |
561 |
|
pszHead = pch + cchSeps1; |
562 |
|
*pch = (char) 0; |
563 |
|
ppSplit[i].value = lscp_unquote(&pszHead, 0); |
564 |
|
if ((pch = strpbrk(pszHead, pszSeps2)) != NULL) { |
565 |
|
pszHead = pch + cchSeps2; |
566 |
|
*pch = (char) 0; |
567 |
|
} |
568 |
|
if (++i >= iSize) { |
569 |
|
iSize += LSCP_SPLIT_CHUNK1; |
570 |
|
ppNewSplit = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
571 |
|
if (ppNewSplit) { |
572 |
|
for (j = 0; j < i; j++) { |
573 |
|
ppNewSplit[j].key = ppSplit[j].key; |
574 |
|
ppNewSplit[j].value = ppSplit[j].value; |
575 |
|
} |
576 |
|
free(ppSplit); |
577 |
|
ppSplit = ppNewSplit; |
578 |
|
} |
579 |
|
} |
580 |
|
} |
581 |
|
|
582 |
|
if (i < 1) |
583 |
|
free(pszHead); |
584 |
|
|
585 |
|
for ( ; i < iSize; i++) { |
586 |
|
ppSplit[i].key = NULL; |
587 |
|
ppSplit[i].value = NULL; |
588 |
|
} |
589 |
|
|
590 |
|
return ppSplit; |
591 |
|
} |
592 |
|
|
593 |
|
|
594 |
|
// Destroy a parameter list array. |
595 |
|
void lscp_psplit_destroy ( lscp_param_t *ppSplit ) |
596 |
|
{ |
597 |
|
if (ppSplit && ppSplit[0].key) |
598 |
|
free(ppSplit[0].key); |
599 |
|
if (ppSplit) |
600 |
|
free(ppSplit); |
601 |
|
} |
602 |
|
|
603 |
|
|
604 |
|
#ifdef LSCP_PSPLIT_COUNT |
605 |
|
|
606 |
|
// Compute a parameter list valid item count. |
607 |
|
int lscp_psplit_count ( lscp_param_t *ppSplit ) |
608 |
|
{ |
609 |
|
int i = 0; |
610 |
|
while (ppSplit && ppSplit[i].key) |
611 |
|
i++; |
612 |
|
return i; |
613 |
|
} |
614 |
|
|
615 |
|
// Compute a parameter list size. |
616 |
|
int lscp_psplit_size ( lscp_param_t *ppSplit ) |
617 |
|
{ |
618 |
|
return LSCP_SPLIT_SIZE(lscp_psplit_count(ppSplit)); |
619 |
|
} |
620 |
|
|
621 |
|
#endif // LSCP_PSPLIT_COUNT |
622 |
|
|
623 |
|
|
624 |
|
// Allocate a parameter list, optionally copying an existing one. |
625 |
|
void lscp_plist_alloc (lscp_param_t **ppList) |
626 |
|
{ |
627 |
|
lscp_param_t *pParams; |
628 |
|
int iSize, i; |
629 |
|
|
630 |
|
if (ppList) { |
631 |
|
iSize = LSCP_SPLIT_CHUNK1; |
632 |
|
pParams = (lscp_param_t *) malloc(iSize * sizeof(lscp_param_t)); |
633 |
|
if (pParams) { |
634 |
|
for (i = 0 ; i < iSize; i++) { |
635 |
|
pParams[i].key = NULL; |
636 |
|
pParams[i].value = NULL; |
637 |
|
} |
638 |
|
} |
639 |
|
*ppList = pParams; |
640 |
|
} |
641 |
|
} |
642 |
|
|
643 |
|
|
644 |
|
// Destroy a parameter list, including all it's contents. |
645 |
|
void lscp_plist_free ( lscp_param_t **ppList ) |
646 |
|
{ |
647 |
|
lscp_param_t *pParams; |
648 |
|
int i; |
649 |
|
|
650 |
|
if (ppList) { |
651 |
|
if (*ppList) { |
652 |
|
pParams = *ppList; |
653 |
|
for (i = 0; pParams && pParams[i].key; i++) { |
654 |
|
free(pParams[i].key); |
655 |
|
free(pParams[i].value); |
656 |
|
} |
657 |
|
free(pParams); |
658 |
|
} |
659 |
|
*ppList = NULL; |
660 |
|
} |
661 |
|
} |
662 |
|
|
663 |
|
|
664 |
|
// Add an item to a parameter list, growing it as fit. |
665 |
|
void lscp_plist_append ( lscp_param_t **ppList, const char *pszKey, const char *pszValue ) |
666 |
|
{ |
667 |
|
lscp_param_t *pParams; |
668 |
|
lscp_param_t *pNewParams; |
669 |
|
int iSize, iNewSize; |
670 |
|
int i = 0; |
671 |
|
|
672 |
|
if (ppList && *ppList) { |
673 |
|
pParams = *ppList; |
674 |
|
while (pParams[i].key) { |
675 |
|
if (strcasecmp(pParams[i].key, pszKey) == 0) { |
676 |
|
if (pParams[i].value) |
677 |
|
free(pParams[i].value); |
678 |
|
pParams[i].value = strdup(pszValue); |
679 |
|
return; |
680 |
|
} |
681 |
|
i++; |
682 |
|
} |
683 |
|
iSize = LSCP_SPLIT_SIZE(i); |
684 |
|
pParams[i].key = strdup(pszKey); |
685 |
|
pParams[i].value = strdup(pszValue); |
686 |
|
if (++i >= iSize) { |
687 |
|
iNewSize = iSize + LSCP_SPLIT_CHUNK1; |
688 |
|
pNewParams = (lscp_param_t *) malloc(iNewSize * sizeof(lscp_param_t)); |
689 |
|
for (i = 0; i < iSize; i++) { |
690 |
|
pNewParams[i].key = pParams[i].key; |
691 |
|
pNewParams[i].value = pParams[i].value; |
692 |
|
} |
693 |
|
for ( ; i < iNewSize; i++) { |
694 |
|
pNewParams[i].key = NULL; |
695 |
|
pNewParams[i].value = NULL; |
696 |
|
} |
697 |
|
free(pParams); |
698 |
|
*ppList = pNewParams; |
699 |
|
} |
700 |
|
} |
701 |
|
} |
702 |
|
|
703 |
|
#ifdef LSCP_PLIST_COUNT |
704 |
|
|
705 |
|
// Compute a parameter list valid item count. |
706 |
|
int lscp_plist_count ( lscp_param_t **ppList ) |
707 |
|
{ |
708 |
|
lscp_param_t *pParams; |
709 |
|
int i = 0; |
710 |
|
if (ppList && *ppList) { |
711 |
|
pParams = *ppList; |
712 |
|
while (pParams[i].key) |
713 |
|
i++; |
714 |
|
} |
715 |
|
return i; |
716 |
|
} |
717 |
|
|
718 |
|
// Compute the legal parameter list size. |
719 |
|
int lscp_plist_size ( lscp_param_t **ppList ) |
720 |
|
{ |
721 |
|
return LSCP_SPLIT_SIZE(lscp_plist_count(ppList)); |
722 |
|
} |
723 |
|
|
724 |
|
#endif // LSCP_PLIST_COUNT |
725 |
|
|
726 |
|
|
727 |
|
// Split a string into an array of MIDI instrument triplets. |
728 |
|
lscp_midi_instrument_t *lscp_midi_instruments_create ( const char *pszCsv ) |
729 |
|
{ |
730 |
|
char *pchHead, *pch; |
731 |
|
int iSize, i, j, k; |
732 |
|
lscp_midi_instrument_t *pInstrs; |
733 |
|
lscp_midi_instrument_t *pNewInstrs; |
734 |
|
|
735 |
|
// Get it clean first. |
736 |
|
pchHead = lscp_ltrim((char *) pszCsv); |
737 |
|
if (*pchHead == (char) 0) |
738 |
|
return NULL; |
739 |
|
|
740 |
|
// Initial size is one chunk away. |
741 |
|
iSize = LSCP_SPLIT_CHUNK1; |
742 |
|
// Allocate and split... |
743 |
|
pInstrs = (lscp_midi_instrument_t *) malloc(iSize * sizeof(lscp_midi_instrument_t)); |
744 |
|
if (pInstrs == NULL) |
745 |
|
return NULL; |
746 |
|
|
747 |
|
// Go on for it... |
748 |
|
i = 0; |
749 |
|
k = 0; |
750 |
|
|
751 |
|
while ((pch = strpbrk(pchHead, "{,}")) != NULL) { |
752 |
|
// Pre-advance to next item. |
753 |
|
switch (*pch) { |
754 |
|
case '{': |
755 |
|
pchHead = pch + 1; |
756 |
|
if (k == 0) { |
757 |
|
pInstrs[i].bank_msb = atoi(pchHead); |
758 |
|
k++; |
759 |
|
} |
760 |
|
break; |
761 |
|
case ',': |
762 |
|
pchHead = pch + 1; |
763 |
|
if (k == 1) { |
764 |
|
pInstrs[i].bank_lsb = atoi(pchHead); |
765 |
|
k++; |
766 |
|
} |
767 |
|
else |
768 |
|
if (k == 2) { |
769 |
|
pInstrs[i].program = atoi(pchHead); |
770 |
|
k++; |
771 |
|
} |
772 |
|
break; |
773 |
|
case '}': |
774 |
|
pchHead = pch + 1; |
775 |
|
k = 0; |
776 |
|
break; |
777 |
|
} |
778 |
|
// Do we need to grow? |
779 |
|
if (k == 3 && ++i >= iSize) { |
780 |
|
// Yes, but only grow in chunks. |
781 |
|
iSize += LSCP_SPLIT_CHUNK1; |
782 |
|
// Allocate and copy to new split array. |
783 |
|
pNewInstrs = (lscp_midi_instrument_t *) malloc(iSize * sizeof(lscp_midi_instrument_t)); |
784 |
|
if (pNewInstrs) { |
785 |
|
for (j = 0; j < i; j++) { |
786 |
|
pNewInstrs[j].bank_msb = pInstrs[j].bank_msb; |
787 |
|
pNewInstrs[j].bank_lsb = pInstrs[j].bank_lsb; |
788 |
|
pNewInstrs[j].program = pInstrs[j].program; |
789 |
|
} |
790 |
|
free(pInstrs); |
791 |
|
pInstrs = pNewInstrs; |
792 |
|
} |
793 |
|
} |
794 |
|
} |
795 |
|
|
796 |
|
// Special terminate split array. |
797 |
|
for ( ; i < iSize; i++) { |
798 |
|
pInstrs[i].bank_msb = -1; |
799 |
|
pInstrs[i].bank_lsb = -1; |
800 |
|
pInstrs[i].program = -1; |
801 |
|
} |
802 |
|
|
803 |
|
return pInstrs; |
804 |
|
} |
805 |
|
|
806 |
|
// Destroy a MIDI instrument triplet array. |
807 |
|
void lscp_midi_instruments_destroy ( lscp_midi_instrument_t *pInstrs ) |
808 |
|
{ |
809 |
|
if (pInstrs) |
810 |
|
free(pInstrs); |
811 |
|
} |
812 |
|
|
813 |
|
#ifdef LSCP_MIDI_INSTRUMENTS_COUNT |
814 |
|
|
815 |
|
// Compute a MIDI instrument array item count. |
816 |
|
int lscp_midi_instruments_count ( lscp_midi_instrument_t *pInstrs ) |
817 |
|
{ |
818 |
|
int i = 0; |
819 |
|
while (pInstrs && pInstrs[i].program >= 0) |
820 |
|
i++; |
821 |
|
return i; |
822 |
|
} |
823 |
|
|
824 |
|
// Compute a MIDI instrument array size. |
825 |
|
int lscp_midi_instruments_size ( lscp_midi_instrument_t *pInstrs ) |
826 |
|
{ |
827 |
|
return LSCP_SPLIT_SIZE(lscp_midi_instruments_count(pInstrs)); |
828 |
|
} |
829 |
|
|
830 |
|
#endif // LSCP_MIDI_INSTRUMENTS_COUNT |
831 |
|
|
832 |
|
|
833 |
|
//------------------------------------------------------------------------- |
834 |
|
// Server info struct helper functions. |
835 |
|
|
836 |
|
void lscp_server_info_init ( lscp_server_info_t *pServerInfo ) |
837 |
|
{ |
838 |
|
pServerInfo->description = NULL; |
839 |
|
pServerInfo->version = NULL; |
840 |
|
} |
841 |
|
|
842 |
|
void lscp_server_info_free ( lscp_server_info_t *pServerInfo ) |
843 |
|
{ |
844 |
|
if (pServerInfo->description) |
845 |
|
free(pServerInfo->description); |
846 |
|
if (pServerInfo->version) |
847 |
|
free(pServerInfo->version); |
848 |
|
} |
849 |
|
|
850 |
|
void lscp_server_info_reset ( lscp_server_info_t *pServerInfo ) |
851 |
|
{ |
852 |
|
lscp_server_info_free(pServerInfo); |
853 |
|
lscp_server_info_init(pServerInfo); |
854 |
|
} |
855 |
|
|
856 |
|
|
857 |
//------------------------------------------------------------------------- |
//------------------------------------------------------------------------- |
858 |
// Engine info struct helper functions. |
// Engine info struct helper functions. |
859 |
|
|
860 |
void lscp_engine_info_init ( lscp_engine_info_t *pEngineInfo ) |
void lscp_engine_info_init ( lscp_engine_info_t *pEngineInfo ) |
861 |
{ |
{ |
862 |
pEngineInfo->description = NULL; |
pEngineInfo->description = NULL; |
863 |
pEngineInfo->version = NULL; |
pEngineInfo->version = NULL; |
864 |
} |
} |
865 |
|
|
866 |
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
void lscp_engine_info_free ( lscp_engine_info_t *pEngineInfo ) |
867 |
{ |
{ |
868 |
if (pEngineInfo->description) |
if (pEngineInfo->description) |
869 |
free(pEngineInfo->description); |
free(pEngineInfo->description); |
870 |
if (pEngineInfo->version) |
if (pEngineInfo->version) |
871 |
free(pEngineInfo->version); |
free(pEngineInfo->version); |
872 |
|
} |
873 |
|
|
874 |
lscp_engine_info_init(pEngineInfo); |
void lscp_engine_info_reset ( lscp_engine_info_t *pEngineInfo ) |
875 |
|
{ |
876 |
|
lscp_engine_info_free(pEngineInfo); |
877 |
|
lscp_engine_info_init(pEngineInfo); |
878 |
} |
} |
879 |
|
|
880 |
|
|
883 |
|
|
884 |
void lscp_channel_info_init ( lscp_channel_info_t *pChannelInfo ) |
void lscp_channel_info_init ( lscp_channel_info_t *pChannelInfo ) |
885 |
{ |
{ |
886 |
pChannelInfo->engine_name = NULL; |
pChannelInfo->engine_name = NULL; |
887 |
pChannelInfo->audio_device = 0; |
pChannelInfo->audio_device = 0; |
888 |
pChannelInfo->audio_channels = 0; |
pChannelInfo->audio_channels = 0; |
889 |
pChannelInfo->audio_routing = NULL; |
pChannelInfo->audio_routing = NULL; |
890 |
pChannelInfo->instrument_file = NULL; |
pChannelInfo->instrument_file = NULL; |
891 |
pChannelInfo->instrument_nr = 0; |
pChannelInfo->instrument_nr = 0; |
892 |
pChannelInfo->instrument_status = 0; |
pChannelInfo->instrument_name = NULL; |
893 |
pChannelInfo->midi_device = 0; |
pChannelInfo->instrument_status = 0; |
894 |
pChannelInfo->midi_port = 0; |
pChannelInfo->midi_device = 0; |
895 |
pChannelInfo->midi_channel = 0; |
pChannelInfo->midi_port = 0; |
896 |
pChannelInfo->volume = 0.0; |
pChannelInfo->midi_channel = 0; |
897 |
|
pChannelInfo->volume = 0.0; |
898 |
|
pChannelInfo->mute = 0; |
899 |
|
pChannelInfo->solo = 0; |
900 |
} |
} |
901 |
|
|
902 |
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
void lscp_channel_info_free ( lscp_channel_info_t *pChannelInfo ) |
903 |
{ |
{ |
904 |
if (pChannelInfo->engine_name) |
if (pChannelInfo->engine_name) |
905 |
free(pChannelInfo->engine_name); |
free(pChannelInfo->engine_name); |
906 |
if (pChannelInfo->audio_routing) |
if (pChannelInfo->audio_routing) |
907 |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
lscp_szsplit_destroy(pChannelInfo->audio_routing); |
908 |
if (pChannelInfo->instrument_file) |
if (pChannelInfo->instrument_file) |
909 |
free(pChannelInfo->instrument_file); |
free(pChannelInfo->instrument_file); |
910 |
|
if (pChannelInfo->instrument_name) |
911 |
|
free(pChannelInfo->instrument_name); |
912 |
|
} |
913 |
|
|
914 |
lscp_channel_info_init(pChannelInfo); |
void lscp_channel_info_reset ( lscp_channel_info_t *pChannelInfo ) |
915 |
|
{ |
916 |
|
lscp_channel_info_free(pChannelInfo); |
917 |
|
lscp_channel_info_init(pChannelInfo); |
918 |
} |
} |
919 |
|
|
920 |
|
|
923 |
|
|
924 |
void lscp_driver_info_init ( lscp_driver_info_t *pDriverInfo ) |
void lscp_driver_info_init ( lscp_driver_info_t *pDriverInfo ) |
925 |
{ |
{ |
926 |
pDriverInfo->description = NULL; |
pDriverInfo->description = NULL; |
927 |
pDriverInfo->version = NULL; |
pDriverInfo->version = NULL; |
928 |
pDriverInfo->parameters = NULL; |
pDriverInfo->parameters = NULL; |
929 |
|
} |
930 |
|
|
931 |
|
void lscp_driver_info_free ( lscp_driver_info_t *pDriverInfo ) |
932 |
|
{ |
933 |
|
if (pDriverInfo->description) |
934 |
|
free(pDriverInfo->description); |
935 |
|
if (pDriverInfo->version) |
936 |
|
free(pDriverInfo->version); |
937 |
|
lscp_szsplit_destroy(pDriverInfo->parameters); |
938 |
} |
} |
939 |
|
|
940 |
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
void lscp_driver_info_reset ( lscp_driver_info_t *pDriverInfo ) |
941 |
{ |
{ |
942 |
if (pDriverInfo->description) |
lscp_driver_info_free(pDriverInfo); |
943 |
free(pDriverInfo->description); |
lscp_driver_info_init(pDriverInfo); |
944 |
if (pDriverInfo->version) |
} |
945 |
free(pDriverInfo->version); |
|
946 |
lscp_szsplit_destroy(pDriverInfo->parameters); |
|
947 |
|
//------------------------------------------------------------------------- |
948 |
|
// Device info struct functions. |
949 |
|
|
950 |
|
void lscp_device_info_init ( lscp_device_info_t *pDeviceInfo ) |
951 |
|
{ |
952 |
|
pDeviceInfo->driver = NULL; |
953 |
|
lscp_plist_alloc(&(pDeviceInfo->params)); |
954 |
|
} |
955 |
|
|
956 |
|
void lscp_device_info_free ( lscp_device_info_t *pDeviceInfo ) |
957 |
|
{ |
958 |
|
if (pDeviceInfo->driver) |
959 |
|
free(pDeviceInfo->driver); |
960 |
|
lscp_plist_free(&(pDeviceInfo->params)); |
961 |
|
} |
962 |
|
|
963 |
|
void lscp_device_info_reset ( lscp_device_info_t *pDeviceInfo ) |
964 |
|
{ |
965 |
|
lscp_device_info_free(pDeviceInfo); |
966 |
|
lscp_device_info_init(pDeviceInfo); |
967 |
|
} |
968 |
|
|
969 |
|
|
970 |
|
//------------------------------------------------------------------------- |
971 |
|
// Device channel/port info struct functions. |
972 |
|
|
973 |
lscp_driver_info_init(pDriverInfo); |
void lscp_device_port_info_init ( lscp_device_port_info_t *pDevicePortInfo ) |
974 |
|
{ |
975 |
|
pDevicePortInfo->name = NULL; |
976 |
|
lscp_plist_alloc(&(pDevicePortInfo->params)); |
977 |
|
} |
978 |
|
|
979 |
|
void lscp_device_port_info_free ( lscp_device_port_info_t *pDevicePortInfo ) |
980 |
|
{ |
981 |
|
if (pDevicePortInfo->name) |
982 |
|
free(pDevicePortInfo->name); |
983 |
|
lscp_plist_free(&(pDevicePortInfo->params)); |
984 |
|
} |
985 |
|
|
986 |
|
void lscp_device_port_info_reset ( lscp_device_port_info_t *pDevicePortInfo ) |
987 |
|
{ |
988 |
|
lscp_device_port_info_free(pDevicePortInfo); |
989 |
|
lscp_device_port_info_init(pDevicePortInfo); |
990 |
|
} |
991 |
|
|
992 |
|
|
993 |
|
//------------------------------------------------------------------------- |
994 |
|
// Parameter struct helper functions. |
995 |
|
|
996 |
|
void lscp_param_info_init ( lscp_param_info_t *pParamInfo ) |
997 |
|
{ |
998 |
|
pParamInfo->type = LSCP_TYPE_NONE; |
999 |
|
pParamInfo->description = NULL; |
1000 |
|
pParamInfo->mandatory = 0; |
1001 |
|
pParamInfo->fix = 0; |
1002 |
|
pParamInfo->multiplicity = 0; |
1003 |
|
pParamInfo->depends = NULL; |
1004 |
|
pParamInfo->defaultv = NULL; |
1005 |
|
pParamInfo->range_min = NULL; |
1006 |
|
pParamInfo->range_max = NULL; |
1007 |
|
pParamInfo->possibilities = NULL; |
1008 |
|
} |
1009 |
|
|
1010 |
|
void lscp_param_info_free ( lscp_param_info_t *pParamInfo ) |
1011 |
|
{ |
1012 |
|
if (pParamInfo->description) |
1013 |
|
free(pParamInfo->description); |
1014 |
|
lscp_szsplit_destroy(pParamInfo->depends); |
1015 |
|
if (pParamInfo->defaultv) |
1016 |
|
free(pParamInfo->defaultv); |
1017 |
|
if (pParamInfo->range_min) |
1018 |
|
free(pParamInfo->range_min); |
1019 |
|
if (pParamInfo->range_max) |
1020 |
|
free(pParamInfo->range_max); |
1021 |
|
lscp_szsplit_destroy(pParamInfo->possibilities); |
1022 |
|
} |
1023 |
|
|
1024 |
|
void lscp_param_info_reset ( lscp_param_info_t *pParamInfo ) |
1025 |
|
{ |
1026 |
|
lscp_param_info_free(pParamInfo); |
1027 |
|
lscp_param_info_init(pParamInfo); |
1028 |
|
} |
1029 |
|
|
1030 |
|
|
1031 |
|
//------------------------------------------------------------------------- |
1032 |
|
// Concatenate a parameter list (key='value'...) into a string, |
1033 |
|
// appending a crlf terminator. |
1034 |
|
|
1035 |
|
int lscp_param_concat ( char *pszBuffer, int cchMaxBuffer, lscp_param_t *pParams ) |
1036 |
|
{ |
1037 |
|
int cchBuffer, cchParam, i; |
1038 |
|
|
1039 |
|
if (pszBuffer == NULL) |
1040 |
|
return 0; |
1041 |
|
|
1042 |
|
cchBuffer = strlen(pszBuffer); |
1043 |
|
for (i = 0; pParams && pParams[i].key && pParams[i].value; i++) { |
1044 |
|
cchParam = strlen(pParams[i].key) + strlen(pParams[i].value) + 4; |
1045 |
|
if (cchBuffer + cchParam + 2 < cchMaxBuffer) { |
1046 |
|
sprintf(pszBuffer + cchBuffer, " %s='%s'", pParams[i].key, pParams[i].value); |
1047 |
|
cchBuffer += cchParam; |
1048 |
|
} |
1049 |
|
} |
1050 |
|
|
1051 |
|
if (cchBuffer + 2 < cchMaxBuffer) { |
1052 |
|
pszBuffer[cchBuffer++] = '\r'; |
1053 |
|
pszBuffer[cchBuffer++] = '\n'; |
1054 |
|
pszBuffer[cchBuffer ] = (char) 0; |
1055 |
|
} |
1056 |
|
|
1057 |
|
return cchBuffer; |
1058 |
|
} |
1059 |
|
|
1060 |
|
|
1061 |
|
//------------------------------------------------------------------------- |
1062 |
|
// MIDI instrument info struct helper functions. |
1063 |
|
|
1064 |
|
void lscp_midi_instrument_info_init ( lscp_midi_instrument_info_t *pInstrInfo ) |
1065 |
|
{ |
1066 |
|
pInstrInfo->name = NULL; |
1067 |
|
pInstrInfo->engine_name = NULL; |
1068 |
|
pInstrInfo->instrument_file = NULL; |
1069 |
|
pInstrInfo->instrument_nr = 0; |
1070 |
|
pInstrInfo->instrument_name = NULL; |
1071 |
|
pInstrInfo->load_mode = LSCP_LOAD_DEFAULT; |
1072 |
|
pInstrInfo->volume = 0.0; |
1073 |
|
} |
1074 |
|
|
1075 |
|
void lscp_midi_instrument_info_free ( lscp_midi_instrument_info_t *pInstrInfo ) |
1076 |
|
{ |
1077 |
|
if (pInstrInfo->name) |
1078 |
|
free(pInstrInfo->name); |
1079 |
|
if (pInstrInfo->engine_name) |
1080 |
|
free(pInstrInfo->engine_name); |
1081 |
|
if (pInstrInfo->instrument_file) |
1082 |
|
free(pInstrInfo->instrument_file); |
1083 |
|
if (pInstrInfo->instrument_name) |
1084 |
|
free(pInstrInfo->instrument_name); |
1085 |
|
} |
1086 |
|
|
1087 |
|
void lscp_midi_instrument_info_reset ( lscp_midi_instrument_info_t *pInstrInfo ) |
1088 |
|
{ |
1089 |
|
lscp_midi_instrument_info_free(pInstrInfo); |
1090 |
|
lscp_midi_instrument_info_init(pInstrInfo); |
1091 |
} |
} |
1092 |
|
|
1093 |
|
|