int main(int argc, char * argv[])
{
Operations operation;
if (argc < 2 || (operation = GetOperation(argv[1])) == NumOperations || argc < RequiredArgsForOperation[operation]) {
Operations op;
fputs("usage: c_api { ", stderr);
for (op = OpListen; op < NumOperations; op++) {
if (op > OpListen)
fputs(" | ", stderr);
fputs(OperationNames[op], stderr);
}
fputs(" } [ A-party [ B-party | file ] ]\n", stderr);
return 1;
}
puts("Initialising.\n");
if (!InitialiseOPAL())
return 1;
switch (operation) {
case OpListen :
puts("Listening.\n");
HandleMessages(60000);
break;
case OpCall :
if (argc > 3) {
if (!DoCall(argv[2], argv[3]))
break;
} else {
if (!DoCall(NULL, argv[2]))
break;
}
HandleMessages(15000);
break;
case OpMute :
if (!DoCall(NULL, argv[2]))
break;
HandleMessages(15000);
if (!DoMute(1))
break;
HandleMessages(15000);
if (!DoMute(0))
break;
HandleMessages(15000);
break;
case OpHold :
if (!DoCall(NULL, argv[2]))
break;
HandleMessages(15000);
if (!DoHold())
break;
HandleMessages(15000);
break;
case OpTransfer :
if (!DoCall(NULL, argv[2]))
break;
HandleMessages(15000);
if (!DoTransfer(argv[3]))
break;
HandleMessages(15000);
break;
case OpConsult :
if (!DoCall(NULL, argv[2]))
break;
HandleMessages(15000);
if (!DoHold())
break;
HandleMessages(15000);
if (!DoCall(NULL, argv[3]))
break;
HandleMessages(15000);
if (!DoTransfer(HeldCallToken))
break;
HandleMessages(15000);
break;
case OpRegister :
if (!DoRegister(argv[2], argv[3]))
break;
HandleMessages(15000);
break;
case OpSubscribe :
if (!DoSubscribe(argv[2], argv[3], argv[4]))
break;
HandleMessages(INT_MAX); // More or less forever
break;
case OpRecord :
if (!DoRecord(argv[2], argv[3]))
break;
HandleMessages(INT_MAX); // More or less forever
break;
case OpPlay :
if (!DoPlay(argv[2], argv[3]))
break;
HandleMessages(INT_MAX); // More or less forever
break;
default :
break;
}
puts("Exiting.\n");
ShutDownFunction(hOPAL);
return 0;
}
/*
** A "local" function of main(). Handles a #messageType# message arrived on
** #sd# accompanied by #dataSize# bytes of data.
*/
static void
ProcessRequest(Socket *sd,
MessageType messageType,
size_t dataSize) {
unsigned long timeOut;
DataDescriptor timeOutDescriptor = SIMPLE_DATA(UNSIGNED_LONG_TYPE, 1);
char *matching;
char *object;
DataDescriptor objectDescriptor = SIMPLE_DATA(CHAR_TYPE, 0);
char *pattern;
DataDescriptor patternDescriptor = SIMPLE_DATA(CHAR_TYPE, 0);
switch(messageType) {
case NS_REGISTER:
objectDescriptor.repetitions =
dataSize - HomogenousDataSize(UNSIGNED_LONG_TYPE, 1, NETWORK_FORMAT);
object = (char *)malloc(objectDescriptor.repetitions + 1);
if(object == NULL) {
(void)SendMessage(*sd, NS_FAILED, PktTimeOut(*sd));
ERROR("ProcessRequest: out of memory\n");
}
else {
if(!RecvData(*sd,
object,
&objectDescriptor,
1,
PktTimeOut(*sd)) ||
!RecvData(*sd,
&timeOut,
&timeOutDescriptor,
1,
PktTimeOut(*sd))) {
DROP_SOCKET(sd);
ERROR("ProcessRequest: receive failed\n");
}
else {
object[objectDescriptor.repetitions] = '\0';
(void)SendMessage(*sd, NS_REGISTERED, PktTimeOut(*sd));
/* Change time-out period to an expiration time. */
if(timeOut != 0) {
timeOut += (unsigned long)CurrentTime();
}
DoRegister(object, timeOut);
}
free(object);
}
break;
case NS_SEARCH:
case NS_UNREGISTER:
patternDescriptor.repetitions = dataSize;
pattern = (char *)malloc(dataSize);
if(pattern == NULL) {
(void)SendMessage(*sd, NS_FAILED, PktTimeOut(*sd));
ERROR("ProcessRequest: out of memory\n");
}
else {
if(!RecvData(*sd,
pattern,
&patternDescriptor,
1,
PktTimeOut(*sd))) {
DROP_SOCKET(sd);
ERROR("ProcessRequest: receive failed\n");
}
else if(messageType == NS_SEARCH) {
matching = DoSearch(pattern);
if(matching == NULL) {
(void)SendMessage(*sd, NS_FAILED, PktTimeOut(*sd));
ERROR("ProcessRequest: out of memory\n");
}
else {
objectDescriptor.repetitions = strlen(matching) + 1;
(void)SendMessageAndData(*sd,
NS_SEARCHED,
matching,
&objectDescriptor,
1,
PktTimeOut(*sd));
free(matching);
}
}
else {
DoUnregister(pattern);
(void)SendMessage(*sd, NS_UNREGISTERED, PktTimeOut(*sd));
}
free(pattern);
}
break;
default:
ERROR1("ProcessRequest: unknown message %d\n", messageType);
}
}
bool GlobalShortcutBackend::Register() {
bool ret = DoRegister();
if (ret)
active_ = true;
return ret;
}
