static int mqttClient_write(mqttClient_t* clientData, int length)
{
int bytes = length ? length:clientData->session.tx.bytesLeft;
le_result_t rc = LE_OK;
LE_ASSERT(clientData);
clientData->session.cmdLen = length;
if (clientData->session.sock == MQTT_CLIENT_INVALID_SOCKET)
{
rc = mqttClient_connect(clientData);
if (rc)
{
LE_ERROR("mqttClient_connect() failed(%d)", errno);
rc = LE_IO_ERROR;
goto cleanup;
}
}
else
{
while (bytes > 0)
{
mqttClient_dumpBuffer(clientData->session.tx.ptr, bytes);
int sent = write(clientData->session.sock, clientData->session.tx.ptr, bytes);
if (sent == -1)
{
if (errno == EAGAIN)
{
le_fdMonitor_Enable(clientData->session.sockFdMonitor, POLLOUT);
clientData->session.tx.bytesLeft = bytes;
LE_WARN("send blocked(%u)", clientData->session.tx.bytesLeft);
goto cleanup;
}
else
{
LE_ERROR("write() failed(%d)", errno);
rc = LE_IO_ERROR;
goto cleanup;
}
}
else
{
clientData->session.tx.ptr += sent;
bytes -= sent;
}
}
le_timer_Restart(clientData->session.pingTimer);
clientData->session.tx.ptr = clientData->session.tx.buf;
clientData->session.rx.ptr = clientData->session.rx.buf;
}
cleanup:
return rc;
}
//--------------------------------------------------------------------------------------------------
LE_SHARED le_result_t le_comm_Connect (void* handle)
{
HandleRecord_t* connectionRecordPtr = (HandleRecord_t*) handle;
int result = LE_OK;
LE_INFO("Connecting AF_INET socket, fd %d .........", connectionRecordPtr->fd);
#ifndef SOCKET_SERVER
struct sockaddr_in sockAddr;
sockAddr.sin_addr.s_addr = inet_addr(NetworkSocketIpAddress);
sockAddr.sin_family = AF_INET;
sockAddr.sin_port = htons(NetworkSocketTCPListeningPort);
do
{
result = connect(connectionRecordPtr->fd, (struct sockaddr *) &sockAddr, sizeof(sockAddr));
}
while ((result == -1) && (errno == EINTR));
if (result != 0)
{
if (FdMonitorRef != NULL)
{
// Disable FD Monitoring
le_fdMonitor_Disable(FdMonitorRef, PollingEvents);
}
switch (errno)
{
case EACCES:
return LE_NOT_PERMITTED;
case ECONNREFUSED:
return LE_NOT_FOUND;
case EINPROGRESS:
return LE_WOULD_BLOCK;
default:
LE_ERROR("Connect failed with errno %d", errno);
return LE_FAULT;
}
}
#endif
if (FdMonitorRef != NULL)
{
// Enable FD Monitoring
le_fdMonitor_Enable(FdMonitorRef, PollingEvents);
}
LE_INFO("Connecting AF_INET socket, fd %d ......... [DONE]", connectionRecordPtr->fd);
return result;
}
