git initHEAD0.6.16master

1 files changed, 153 insertions, 0 deletions

diff --git a/plasma/comthread.hpp b/plasma/comthread.hpp
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--- /dev/null
+++ b/plasma/comthread.hpp
@@ -0,0 +1,153 @@
+//***************************************************************************
+// Group VDR/GraphTFT
+// File graphtft.hpp
+// Date 28.10.06 - Jörg Wendel
+// This code is distributed under the terms and conditions of the
+// GNU GENERAL PUBLIC LICENSE. See the file COPYING for details.
+//--------------------------------------------------------------------------
+// Class ComThread
+// Class TcpChannel
+//***************************************************************************
+
+#ifndef __COMTHREAD_HPP__
+#define __COMTHREAD_HPP__
+
+#include <QObject>
+#include <QThread>
+#include <QReadWriteLock>
+
+#define __FRONTEND
+#include <../common.h>
+
+#include <common.hpp>
+#include <../service.h>
+
+#include <unistd.h>
+
+//***************************************************************************
+// TcpChannel
+//***************************************************************************
+
+class TcpChannel
+{
+   public:
+
+      // declarations
+
+      enum Errors
+      {
+         errChannel = -100,
+         
+         errUnknownHostname,
+         errBindAddressFailed,
+         errAcceptFailed,
+         errListenFailed,
+         errConnectFailed,
+         errIOError,
+         errConnectionClosed,
+         errInvalidEndpoint,
+         errOpenEndpointFailed,
+
+         // Warnungen
+
+         wrnNoEventPending,
+         errUnexpectedEvent,
+         wrnChannelBlocked,
+         wrnNoConnectIndication,
+         wrnNoResponseFromServer,
+         wrnNoDataAvaileble,
+         wrnSysInterrupt,
+         wrnTimeout
+      };
+
+      struct Header
+      {
+         int command;
+         int size;
+      };
+
+      // object
+
+      TcpChannel();
+      ~TcpChannel();
+      
+      // api function
+
+      int open(const char* aHost, int aPort);
+      int close();
+      int look(int aTimeout);
+      int read(char* buf, int bufLen);
+      int write(int command, const char* buf = 0, int bufLen = 0);
+      int isConnected()    { return handle != 0; }
+
+   private:
+
+      int checkErrno();
+
+      int handle;
+      unsigned short port;
+      char localHost[100];
+      char remoteHost[100];
+      long localAddr;
+      long remoteAddr;
+      long timeout;
+      int lookAheadChar;
+      int lookAhead;
+      int nTtlReceived;
+      int nTtlSent;
+};
+
+//***************************************************************************
+// Communication Thread
+//***************************************************************************
+
+class ComThread : public QThread, public cGraphTftComService
+{
+   Q_OBJECT 
+
+   public:
+      
+      enum Misc
+      {
+         maxBuffer = 1024*1024
+      };
+
+      ComThread();
+      virtual ~ComThread();
+
+      void stop()                        { running = false; }
+      int mouseEvent(int x, int y, int button, int flag, int data = 0);
+      int keyEvent(int key, int flag);
+
+      const char* getBuffer()            { return buffer; }
+      int getSize()                      { return header->size; }
+
+      void setHost(const char* aHost)    { strcpy(host, aHost); }
+      void setPort(unsigned short aPort) { port = aPort; }
+      QReadWriteLock* getBufferLock()    { return &bufferLock; }
+
+   signals:
+
+      void updateImage(unsigned char* buffer, int size);
+
+   protected:
+      
+      void update(unsigned char* buffer, int size);
+      void run();
+      int read();
+
+      TcpChannel* line;
+
+      char* buffer;
+      int bufferSize;
+      QReadWriteLock bufferLock;
+
+      long timeout;
+      int running;
+      TcpChannel::Header* header;
+      unsigned short port;
+      char host[100];
+};
+
+//***************************************************************************
+#endif  // __COMTHREAD_HPP__