80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file multiplexStreamBuf.h
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* @author drose
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* @date 2000-11-27
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*/
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#ifndef MULTIPLEXSTREAMBUF_H
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#define MULTIPLEXSTREAMBUF_H
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#include "pandabase.h"
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#include "pvector.h"
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#include "mutexImpl.h"
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#include <stdio.h>
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/**
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* Used by MultiplexStream to implement an ostream that sends what is written
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* to it to any number of additional sources, like other ostreams.
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*/
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class EXPCL_PANDA_DOWNLOADER MultiplexStreamBuf : public std::streambuf {
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public:
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MultiplexStreamBuf();
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virtual ~MultiplexStreamBuf();
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enum BufferType {
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BT_none,
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BT_line,
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};
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enum OutputType {
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OT_ostream,
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OT_stdio,
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OT_system_debug,
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};
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void add_output(BufferType buffer_type, OutputType output_type,
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std::ostream *out = nullptr,
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FILE *fout = nullptr,
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bool owns_obj = false);
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void flush();
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protected:
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virtual int overflow(int c);
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virtual int sync();
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private:
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void write_chars(const char *start, int length, bool flush);
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class Output {
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public:
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void close();
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void write_string(const std::string &str);
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BufferType _buffer_type;
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OutputType _output_type;
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std::ostream *_out;
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FILE *_fout;
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bool _owns_obj;
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};
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typedef pvector<Output> Outputs;
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Outputs _outputs;
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MutexImpl _lock;
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std::string _line_buffer;
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};
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#include "multiplexStreamBuf.I"
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#endif
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