static void Outprocess_Receive(MODULE_HANDLE moduleHandle, MESSAGE_HANDLE messageHandle)
{
OUTPROCESS_HANDLE_DATA* handleData = moduleHandle;
/*Codes_SRS_OUTPROCESS_MODULE_17_022: [ If module or message_handle is NULL, this function shall do nothing. ]*/
if (handleData != NULL && messageHandle != NULL)
{
/*Codes_SRS_OUTPROCESS_MODULE_17_046: [ This function shall clone the message to ensure the message is kept allocated until forwarded to module host. ]*/
MESSAGE_HANDLE queued_message = Message_Clone(messageHandle);
if (queued_message == NULL)
{
LogError("unable to clone message");
}
else
{
/*Codes_SRS_OUTPROCESS_MODULE_17_045: [ This function shall ensure thread safety for the module data. ]*/
if (Lock(handleData->handle_lock) != LOCK_OK)
{
LogError("unable to Lock handle data");
Message_Destroy(queued_message);
}
else
{
/*Codes_SRS_OUTPROCESS_MODULE_17_047: [ This function shall push the message onto the end of the outgoing gateway message queue. ]*/
if (MESSAGE_QUEUE_push(handleData->outgoing_messages, queued_message) != 0)
{
LogError("unable to queue the message");
Message_Destroy(queued_message);
}
(void)Unlock(handleData->handle_lock);
}
}
}
}
BROKER_RESULT Broker_Publish(BROKER_HANDLE broker, MODULE_HANDLE source, MESSAGE_HANDLE message)
{
BROKER_RESULT result;
/*Codes_SRS_BROKER_13_030: [If broker or message is NULL the function shall return BROKER_INVALIDARG.]*/
if (broker == NULL || source == NULL || message == NULL)
{
result = BROKER_INVALIDARG;
LogError("Broker handle, source, and/or message handle is NULL");
}
else
{
BROKER_HANDLE_DATA* broker_data = (BROKER_HANDLE_DATA*)broker;
/*Codes_SRS_BROKER_17_022: [ Broker_Publish shall Lock the modules lock. ]*/
if (Lock(broker_data->modules_lock) != LOCK_OK)
{
/*Codes_SRS_BROKER_13_053: [This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise.]*/
LogError("Lock on broker_data->modules_lock failed");
result = BROKER_ERROR;
}
else
{
int32_t msg_size;
int32_t buf_size;
/*Codes_SRS_BROKER_17_007: [ Broker_Publish shall clone the message. ]*/
MESSAGE_HANDLE msg = Message_Clone(message);
/*Codes_SRS_BROKER_17_008: [ Broker_Publish shall serialize the message. ]*/
msg_size = Message_ToByteArray(message, NULL, 0);
if (msg_size < 0)
{
/*Codes_SRS_BROKER_13_053: [This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise.]*/
LogError("unable to serialize a message [%p]", msg);
Message_Destroy(msg);
result = BROKER_ERROR;
}
else
{
/*Codes_SRS_BROKER_17_025: [ Broker_Publish shall allocate a nanomsg buffer the size of the serialized message + sizeof(MODULE_HANDLE). ]*/
buf_size = msg_size + sizeof(MODULE_HANDLE);
void* nn_msg = nn_allocmsg(buf_size, 0);
if (nn_msg == NULL)
{
/*Codes_SRS_BROKER_13_053: [This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise.]*/
LogError("unable to serialize a message [%p]", msg);
result = BROKER_ERROR;
}
else
{
/*Codes_SRS_BROKER_17_026: [ Broker_Publish shall copy source into the beginning of the nanomsg buffer. ]*/
unsigned char *nn_msg_bytes = (unsigned char *)nn_msg;
memcpy(nn_msg_bytes, &source, sizeof(MODULE_HANDLE));
/*Codes_SRS_BROKER_17_027: [ Broker_Publish shall serialize the message into the remainder of the nanomsg buffer. ]*/
nn_msg_bytes += sizeof(MODULE_HANDLE);
Message_ToByteArray(message, nn_msg_bytes, msg_size);
/*Codes_SRS_BROKER_17_010: [ Broker_Publish shall send a message on the publish_socket. ]*/
int nbytes = nn_send(broker_data->publish_socket, &nn_msg, NN_MSG, 0);
if (nbytes != buf_size)
{
/*Codes_SRS_BROKER_13_053: [This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise.]*/
LogError("unable to send a message [%p]", msg);
/*Codes_SRS_BROKER_17_012: [ Broker_Publish shall free the message. ]*/
nn_freemsg(nn_msg);
result = BROKER_ERROR;
}
else
{
result = BROKER_OK;
}
}
/*Codes_SRS_BROKER_17_012: [ Broker_Publish shall free the message. ]*/
Message_Destroy(msg);
/*Codes_SRS_BROKER_17_011: [ Broker_Publish shall free the serialized message data. ]*/
}
/*Codes_SRS_BROKER_17_023: [ Broker_Publish shall Unlock the modules lock. ]*/
Unlock(broker_data->modules_lock);
}
}
/*Codes_SRS_BROKER_13_037: [ This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise. ]*/
return result;
}
/* Codes_SRS_BROKER_17_026: [ N/A - Broker_Publish shall copy source into the beginning of the nanomsg buffer. ] */
BROKER_RESULT
Broker_Publish (
BROKER_HANDLE broker,
MODULE_HANDLE source,
MESSAGE_HANDLE message
) {
(void)source;
REMOTE_MODULE_HANDLE remote_module = (REMOTE_MODULE_HANDLE)broker;
BROKER_RESULT result;
/* Codes_SRS_BROKER_13_030: [If broker or message is NULL the function shall return BROKER_INVALIDARG.] */
if (broker == NULL || message == NULL)
{
result = BROKER_INVALIDARG;
LogError("Broker handle and/or message handle is NULL");
}
else
{
// Send message_ to nanomsg
int32_t msg_size;
int32_t buf_size;
/* Codes_SRS_BROKER_17_007: [ Broker_Publish shall clone the message. ] */
MESSAGE_HANDLE msg = Message_Clone(message);
/* Codes_SRS_BROKER_17_008: [ Broker_Publish shall serialize the message. ] */
msg_size = Message_ToByteArray(message, NULL, 0);
if (msg_size < 0)
{
/* Codes_SRS_BROKER_13_037: [ This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise. ] */
LogError("unable to serialize a message [%p]", msg);
Message_Destroy(msg);
result = BROKER_ERROR;
}
else
{
/* Codes_SRS_BROKER_17_025: [ Broker_Publish shall allocate a nanomsg buffer the size of the serialized message + sizeof(MODULE_HANDLE). ] */
buf_size = msg_size;
void* nn_msg = nn_allocmsg(buf_size, 0);
if (nn_msg == NULL)
{
/* Codes_SRS_BROKER_13_037: [ This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise. ] */
LogError("unable to serialize a message [%p]", msg);
result = BROKER_ERROR;
}
else
{
unsigned char *nn_msg_bytes = (unsigned char *)nn_msg;
/* Codes_SRS_BROKER_17_027: [ Broker_Publish shall serialize the message into the remainder of the nanomsg buffer. ] */
Message_ToByteArray(message, nn_msg_bytes, msg_size);
/* Codes_SRS_BROKER_17_010: [ Broker_Publish shall send a message on the publish_socket. ] */
int nbytes = nn_really_send(remote_module->message_socket, &nn_msg, NN_MSG, 0);
if (nbytes != buf_size)
{
/* Codes_SRS_BROKER_13_037: [ This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise. ] */
LogError("unable to send a message [%p]", msg);
/* Codes_SRS_BROKER_17_012: [ Broker_Publish shall free the message. ] */
nn_freemsg(nn_msg);
result = BROKER_ERROR;
}
else
{
result = BROKER_OK;
}
}
/* Codes_SRS_BROKER_17_012: [ Broker_Publish shall free the message. ] */
Message_Destroy(msg);
/* Codes_SRS_BROKER_17_011: [ Broker_Publish shall free the serialized message data. ] */
}
}
/* Codes_SRS_BROKER_13_037: [ This function shall return BROKER_ERROR if an underlying API call to the platform causes an error or BROKER_OK otherwise. ] */
return result;
}