int DebuggerPort_Read( COM_HANDLE ComPortNum, char* Data, size_t size )
{
NATIVE_PROFILE_PAL_COM();
int ret = 0;
switch(ExtractTransport(ComPortNum))
{
case USART_TRANSPORT:
ret = USART_Read( ConvertCOM_ComPort( ComPortNum ), Data, size );
break;
case USB_TRANSPORT:
ret = USB_Read( ConvertCOM_UsbStream( ComPortNum ), Data, size );
break;
case SOCKET_TRANSPORT:
ret = SOCKETS_Read( ConvertCOM_SockPort(ComPortNum), Data, size );
break;
}
return ret;
}
void *CLIENTS_SOCKETS_Select(void *lpParameter)
{
fd_set readFDs;
char buf[MAX_DATA_SIZE] = { 0 };
PCLIENT_DATA pdata = (PCLIENT_DATA)lpParameter;
//TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "CLIENTS_SOCKETS_Select entered. lpParameter address = %x", lpParameter);
OSAL_set_event(pdata->threadEvent);
for (;;) {
if(OSAL_wait_event(pdata->quitEvent, 0) == 0 ){
//event is signaled - this means the thread should be killed...
pdata->handleDisconnection(pdata->id, pdata->context);
break;
}
FD_ZERO(&readFDs);
FD_SET(pdata->socket, &readFDs);
if (select
(pdata->socket + 1, &readFDs, (fd_set *) 0, (fd_set *) 0,
NULL) == -1) {
SOCKETS_RESULT res;
OSAL_lock_mutex(pdata->hMutex);
if (pdata->socket != 0) {
TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_ALERT, "select() failed.");
if (pdata->socket != -1) {
close(pdata->socket); // TODO - check result
}
pdata->socket = 0;
res = SOCKETS_WSA_ERROR;
} else {
TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "The client disconnected.");
res = SOCKETS_SUCCESS;
}
OSAL_unlock_mutex(pdata->hMutex);
//TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "Calling the disconnection handler.");
if (pdata->handleDisconnection != NULL) {
pdata->handleDisconnection(pdata->id,
pdata->context);
}
//TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "Exiting the thread.");
return (void *)res; // thread function signature conformance
}
if (FD_ISSET(pdata->socket, &readFDs)) {
int rv;
// The only thing the main thread can change is the socket
int readSock;
OSAL_lock_mutex(pdata->hMutex);
readSock = pdata->socket;
OSAL_unlock_mutex(pdata->hMutex);
rv = recv(readSock, buf, MAX_DATA_SIZE, 0);
if (rv > 0) {
TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "Received data from the server.");
SOCKETS_Read(readSock, buf, rv,
pdata->handleData, pdata->id,
pdata->context);
} else {
TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "The client disconnected.");
OSAL_lock_mutex(pdata->hMutex);
if (pdata->socket != 0) {
if (pdata->socket != -1) {
close(pdata->socket); // TODO - check result
}
pdata->socket = 0;
}
OSAL_unlock_mutex(pdata->hMutex);
//TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "Calling the disconnection handler.");
if (pdata->handleDisconnection != NULL) {
pdata->handleDisconnection(pdata->id,
pdata->
context);
}
//TRACE(TR_MOD_CLIENT_SOCKET, TR_SEV_INFO, "Exiting the thread.");
return (void *)SOCKETS_SUCCESS;
}
}
}
return (void *)SOCKETS_SUCCESS;
}
