/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "liveMedia"
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// Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved.
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// A sink representing a TCP output stream
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// C++ header
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#ifndef _TCP_STREAM_SINK_HH
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#define _TCP_STREAM_SINK_HH
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#ifndef _MEDIA_SINK_HH
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#include "MediaSink.hh"
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#endif
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#define TCP_STREAM_SINK_BUFFER_SIZE 10000
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class TCPStreamSink: public MediaSink {
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public:
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static TCPStreamSink* createNew(UsageEnvironment& env, int socketNum);
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// "socketNum" is the socket number of an existing, writable TCP socket (which should be non-blocking).
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// The caller is responsible for closing this socket later (when this object no longer exists).
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protected:
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TCPStreamSink(UsageEnvironment& env, int socketNum); // called only by "createNew()"
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virtual ~TCPStreamSink();
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protected:
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// Redefined virtual functions:
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virtual Boolean continuePlaying();
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private:
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void processBuffer(); // common routine, called from both the 'socket writable' and 'incoming data' handlers below
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static void socketWritableHandler(void* clientData, int mask);
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void socketWritableHandler1();
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static void afterGettingFrame(void* clientData, unsigned frameSize, unsigned numTruncatedBytes,
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struct timeval /*presentationTime*/, unsigned /*durationInMicroseconds*/);
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void afterGettingFrame(unsigned frameSize, unsigned numTruncatedBytes);
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static void ourOnSourceClosure(void* clientData);
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void ourOnSourceClosure1();
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unsigned numUnwrittenBytes() const { return fUnwrittenBytesEnd - fUnwrittenBytesStart; }
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unsigned freeBufferSpace() const { return TCP_STREAM_SINK_BUFFER_SIZE - fUnwrittenBytesEnd; }
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private:
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unsigned char fBuffer[TCP_STREAM_SINK_BUFFER_SIZE];
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unsigned fUnwrittenBytesStart, fUnwrittenBytesEnd;
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Boolean fInputSourceIsOpen, fOutputSocketIsWritable;
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int fOutputSocketNum;
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};
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#endif
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