void transport_free(rdpTransport* transport)
{
if (!transport)
return;
transport_stop(transport);
if (transport->ReceiveBuffer)
Stream_Release(transport->ReceiveBuffer);
StreamPool_Free(transport->ReceivePool);
CloseHandle(transport->ReceiveEvent);
CloseHandle(transport->connectedEvent);
if (transport->TlsIn)
tls_free(transport->TlsIn);
if (transport->TlsOut != transport->TlsIn)
tls_free(transport->TlsOut);
transport->TlsIn = NULL;
transport->TlsOut = NULL;
if (transport->TcpIn)
freerdp_tcp_free(transport->TcpIn);
if (transport->TcpOut != transport->TcpIn)
freerdp_tcp_free(transport->TcpOut);
transport->TcpIn = NULL;
transport->TcpOut = NULL;
tsg_free(transport->tsg);
transport->tsg = NULL;
DeleteCriticalSection(&(transport->ReadLock));
DeleteCriticalSection(&(transport->WriteLock));
free(transport);
}
BOOL transport_disconnect(rdpTransport* transport)
{
BOOL status = TRUE;
if (!transport)
return FALSE;
transport_stop(transport);
if (transport->frontBio)
{
BIO_free_all(transport->frontBio);
transport->frontBio = NULL;
}
if (transport->TlsIn)
tls_free(transport->TlsIn);
if (transport->TlsOut != transport->TlsIn)
tls_free(transport->TlsOut);
transport->TlsIn = NULL;
transport->TlsOut = NULL;
if (transport->tsg)
{
tsg_free(transport->tsg);
transport->tsg = NULL;
}
if (transport->TcpOut != transport->TcpIn)
freerdp_tcp_free(transport->TcpOut);
transport->TcpOut = NULL;
if (transport->TsgTls)
{
tls_free(transport->TsgTls);
transport->TsgTls = NULL;
}
transport->layer = TRANSPORT_LAYER_TCP;
return status;
}
void transport_free(rdpTransport* transport)
{
if (!transport)
return;
transport_disconnect(transport);
if (transport->TcpIn)
freerdp_tcp_free(transport->TcpIn);
if (transport->ReceiveBuffer)
Stream_Release(transport->ReceiveBuffer);
StreamPool_Free(transport->ReceivePool);
CloseHandle(transport->ReceiveEvent);
CloseHandle(transport->connectedEvent);
DeleteCriticalSection(&(transport->ReadLock));
DeleteCriticalSection(&(transport->WriteLock));
free(transport);
}
rdpTransport* transport_new(rdpContext* context)
{
rdpTransport* transport;
transport = (rdpTransport*) calloc(1, sizeof(rdpTransport));
if (!transport)
return NULL;
transport->context = context;
transport->settings = context->settings;
WLog_Init();
transport->log = WLog_Get(TAG);
if (!transport->log)
goto out_free;
transport->TcpIn = freerdp_tcp_new(context->settings);
if (!transport->TcpIn)
goto out_free;
/* a small 0.1ms delay when transport is blocking. */
transport->SleepInterval = 100;
transport->ReceivePool = StreamPool_New(TRUE, BUFFER_SIZE);
if (!transport->ReceivePool)
goto out_free_tcpin;
/* receive buffer for non-blocking read. */
transport->ReceiveBuffer = StreamPool_Take(transport->ReceivePool, 0);
if (!transport->ReceiveBuffer)
goto out_free_receivepool;
transport->ReceiveEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!transport->ReceiveEvent || transport->ReceiveEvent == INVALID_HANDLE_VALUE)
goto out_free_receivebuffer;
transport->connectedEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!transport->connectedEvent || transport->connectedEvent == INVALID_HANDLE_VALUE)
goto out_free_receiveEvent;
transport->blocking = TRUE;
transport->GatewayEnabled = FALSE;
transport->layer = TRANSPORT_LAYER_TCP;
if (!InitializeCriticalSectionAndSpinCount(&(transport->ReadLock), 4000))
goto out_free_connectedEvent;
if (!InitializeCriticalSectionAndSpinCount(&(transport->WriteLock), 4000))
goto out_free_readlock;
return transport;
out_free_readlock:
DeleteCriticalSection(&(transport->ReadLock));
out_free_connectedEvent:
CloseHandle(transport->connectedEvent);
out_free_receiveEvent:
CloseHandle(transport->ReceiveEvent);
out_free_receivebuffer:
StreamPool_Return(transport->ReceivePool, transport->ReceiveBuffer);
out_free_receivepool:
StreamPool_Free(transport->ReceivePool);
out_free_tcpin:
freerdp_tcp_free(transport->TcpIn);
out_free:
free(transport);
return NULL;
}