1 files changed, 72 insertions, 0 deletions
diff --git a/rdr/FdInStream.h b/rdr/FdInStream.h
new file mode 100644
index 0000000..5a1ed43
--- /dev/null
+++ b/rdr/FdInStream.h
@@ -0,0 +1,72 @@
+//
+// Copyright (C) 2002 RealVNC Ltd.  All Rights Reserved.
+//
+// This is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This software is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this software; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+// USA.
+
+//
+// FdInStream streams from a file descriptor.
+//
+
+#ifndef __RDR_FDINSTREAM_H__
+#define __RDR_FDINSTREAM_H__
+
+#include <rdr/InStream.h>
+
+namespace rdr {
+
+  class FdInStream : public InStream {
+
+  public:
+
+    FdInStream(int fd, int timeout=0, int bufSize=0);
+    FdInStream(int fd, void (*blockCallback)(void*), void* blockCallbackArg=0,
+		  int bufSize=0);
+    virtual ~FdInStream();
+
+    int getFd() { return fd; }
+    int pos();
+    void readBytes(void* data, int length);
+    int bytesInBuf() { return end - ptr; }
+
+    void startTiming();
+    void stopTiming();
+    unsigned int kbitsPerSecond();
+    unsigned int timeWaited() { return timeWaitedIn100us; }
+
+  protected:
+    int overrun(int itemSize, int nItems);
+
+  private:
+    int checkReadable(int fd, int timeout);
+    int readWithTimeoutOrCallback(void* buf, int len);
+
+    int fd;
+    int timeout;
+    void (*blockCallback)(void*);
+    void* blockCallbackArg;
+
+    bool timing;
+    unsigned int timeWaitedIn100us;
+    unsigned int timedKbits;
+
+    int bufSize;
+    int offset;
+    U8* start;
+  };
+
+} // end of namespace rdr
+
+#endif