/*
* Server creates stream.
*/
static int
createStream(char *name, Stream *stream)
{
jint error;
char prefix[MAX_IPC_PREFIX];
sprintf(prefix, "%s.mutex", name);
error = createWithGeneratedName(prefix, stream->shared->mutexName,
createMutex, &stream->mutex);
if (error != SYS_OK) {
return error;
}
sprintf(prefix, "%s.hasData", name);
error = createWithGeneratedName(prefix, stream->shared->hasDataEventName,
createEvent, &stream->hasData);
if (error != SYS_OK) {
(void)closeStream(stream, JNI_FALSE);
return error;
}
sprintf(prefix, "%s.hasSpace", name);
error = createWithGeneratedName(prefix, stream->shared->hasSpaceEventName,
createEvent, &stream->hasSpace);
if (error != SYS_OK) {
(void)closeStream(stream, JNI_FALSE);
return error;
}
stream->shared->readOffset = 0;
stream->shared->writeOffset = 0;
stream->shared->isFull = JNI_FALSE;
stream->state = STATE_OPEN;
return SYS_OK;
}
static jint
createTransport(const char *address, SharedMemoryTransport **transportPtr)
{
SharedMemoryTransport *transport;
jint error;
char prefix[MAX_IPC_PREFIX];
transport = allocTransport();
if (transport == NULL) {
return SYS_NOMEM;
}
memset(transport, 0, sizeof(*transport));
if ((address == NULL) || (address[0] == '\0')) {
SharedMemoryArg arg;
arg.size = sizeof(SharedListener);
error = createWithGeneratedName("javadebug", transport->name,
createSharedMem, &arg);
transport->shared = arg.start;
transport->sharedMemory = arg.memory;
} else {
if (strlen(address) >= MAX_IPC_PREFIX) {
fprintf(stderr,"Error: address strings longer than %d characters are invalid\n", MAX_IPC_PREFIX);
closeTransport(transport);
return SYS_ERR;
}
strcpy(transport->name, address);
error = sysSharedMemCreate(address, sizeof(SharedListener),
&transport->sharedMemory, &transport->shared);
}
if (error != SYS_OK) {
fprintf(stderr,"Error creating shared memory, rc = %d\n", error);
closeTransport(transport);
return error;
}
memset(transport->shared, 0, sizeof(SharedListener));
transport->shared->acceptingPID = sysProcessGetID();
sprintf(prefix, "%s.mutex", transport->name);
error = createWithGeneratedName(prefix, transport->shared->mutexName,
createMutex, &transport->mutex);
if (error != SYS_OK) {
fprintf(stderr,"Error creating mutex, rc = %d\n", error);
closeTransport(transport);
return error;
}
sprintf(prefix, "%s.accept", transport->name);
error = createWithGeneratedName(prefix, transport->shared->acceptEventName,
createEvent, &transport->acceptEvent);
if (error != SYS_OK) {
fprintf(stderr,"Error creating event, rc = %d\n", error);
closeTransport(transport);
return error;
}
sprintf(prefix, "%s.attach", transport->name);
error = createWithGeneratedName(prefix, transport->shared->attachEventName,
createEvent, &transport->attachEvent);
if (error != SYS_OK) {
fprintf(stderr,"Error creating event, rc = %d\n", error);
closeTransport(transport);
return error;
}
*transportPtr = transport;
return SYS_OK;
}