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static void _lscp_client_evt_proc ( void *pvClient ) |
static void _lscp_client_evt_proc ( void *pvClient ) |
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{ |
{ |
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lscp_client_t *pClient = (lscp_client_t *) pvClient; |
lscp_client_t *pClient = (lscp_client_t *) pvClient; |
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char achBuffer[LSCP_BUFSIZ]; |
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int cchBuffer; |
fd_set fds; // File descriptor list for select(). |
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int fd, fdmax; // Maximum file descriptor number. |
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struct timeval tv; // For specifying a timeout value. |
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int iSelect; // Holds select return status. |
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int iTimeout; |
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char achBuffer[LSCP_BUFSIZ]; |
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int cchBuffer; |
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const char *pszSeps = ":\r\n"; |
const char *pszSeps = ":\r\n"; |
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char *pszToken; |
char * pszToken; |
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char *pch; |
char * pch; |
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int cchToken; |
int cchToken; |
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lscp_event_t event; |
lscp_event_t event; |
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#ifdef DEBUG |
#ifdef DEBUG |
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#endif |
#endif |
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while (pClient->evt.iState) { |
while (pClient->evt.iState) { |
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// Prepare for waiting on select... |
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fd = (int) pClient->evt.sock; |
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FD_ZERO(&fds); |
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FD_SET((unsigned int) fd, &fds); |
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fdmax = fd; |
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// Use the timeout (x10) select feature ... |
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iTimeout = 10 * pClient->iTimeout; |
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if (iTimeout > 1000) { |
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tv.tv_sec = iTimeout / 1000; |
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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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// Wait for event... |
// Wait for event... |
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cchBuffer = recv(pClient->evt.sock, achBuffer, sizeof(achBuffer), 0); |
iSelect = select(fdmax + 1, &fds, NULL, NULL, &tv); |
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if (cchBuffer > 0) { |
if (iSelect > 0 && FD_ISSET(fd, &fds)) { |
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// Make sure received buffer it's null terminated. |
// May recv now... |
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achBuffer[cchBuffer] = (char) 0; |
cchBuffer = recv(pClient->evt.sock, achBuffer, sizeof(achBuffer), 0); |
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// Parse for the notification event message... |
if (cchBuffer > 0) { |
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pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
// Make sure received buffer it's null terminated. |
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if (strcasecmp(pszToken, "NOTIFY") == 0) { |
achBuffer[cchBuffer] = (char) 0; |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
// Parse for the notification event message... |
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event = lscp_event_from_text(pszToken); |
pszToken = lscp_strtok(achBuffer, pszSeps, &(pch)); // Have "NOTIFY". |
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// And pick the rest of data... |
if (strcasecmp(pszToken, "NOTIFY") == 0) { |
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pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
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cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
event = lscp_event_from_text(pszToken); |
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// Double-check if we're really up to it... |
// And pick the rest of data... |
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if (pClient->events & event) { |
pszToken = lscp_strtok(NULL, pszSeps, &(pch)); |
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// Invoke the client event callback... |
cchToken = (pszToken == NULL ? 0 : strlen(pszToken)); |
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if ((*pClient->pfnCallback)( |
// Double-check if we're really up to it... |
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pClient, |
if (pClient->events & event) { |
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event, |
// Invoke the client event callback... |
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pszToken, |
if ((*pClient->pfnCallback)( |
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cchToken, |
pClient, |
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pClient->pvData) != LSCP_OK) { |
event, |
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pClient->evt.iState = 0; |
pszToken, |
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cchToken, |
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pClient->pvData) != LSCP_OK) { |
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pClient->evt.iState = 0; |
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} |
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} |
} |
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} |
} |
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} else { |
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lscp_socket_perror("_lscp_client_evt_proc: recv"); |
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pClient->evt.iState = 0; |
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} |
} |
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} else { |
} // Check if select has in error. |
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lscp_socket_perror("_lscp_client_evt_proc: recv"); |
else if (iSelect < 0) { |
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lscp_socket_perror("_lscp_client_call: select"); |
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pClient->evt.iState = 0; |
pClient->evt.iState = 0; |
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} |
} |
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// Finally, always signal the event. |
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lscp_cond_signal(pClient->cond); |
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} |
} |
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#ifdef DEBUG |
#ifdef DEBUG |
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return LSCP_FAILED; |
return LSCP_FAILED; |
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} |
} |
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// Wait on response. |
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lscp_cond_wait(pClient->cond, pClient->mutex); |
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// Update as naively as we can... |
// Update as naively as we can... |
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if (iSubscribe) |
if (iSubscribe) |
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pClient->events |= event; |
pClient->events |= event; |
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// Initialize the transaction mutex. |
// Initialize the transaction mutex. |
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lscp_mutex_init(pClient->mutex); |
lscp_mutex_init(pClient->mutex); |
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lscp_cond_init(pClient->cond); |
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// Finally we've some success... |
// Finally we've some success... |
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return pClient; |
return pClient; |
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// Last but not least, free good ol'transaction mutex. |
// Last but not least, free good ol'transaction mutex. |
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lscp_mutex_unlock(pClient->mutex); |
lscp_mutex_unlock(pClient->mutex); |
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lscp_mutex_destroy(pClient->mutex); |
lscp_mutex_destroy(pClient->mutex); |
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lscp_cond_destroy(pClient->cond); |
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free(pClient); |
free(pClient); |
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