/usr/include/simgear/debug/logstream.hxx is in libsimgear-dev 3.0.0-6+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /** \file logstream.hxx
* Stream based logging mechanism.
*/
// Written by Bernie Bright, 1998
//
// Copyright (C) 1998 Bernie Bright - bbright@c031.aone.net.au
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _LOGSTREAM_H
#define _LOGSTREAM_H
#include <simgear/compiler.h>
#include <simgear/debug/debug_types.h>
#include <sstream>
// forward decls
class SGPath;
namespace simgear
{
class LogCallback
{
public:
virtual ~LogCallback() {}
virtual void operator()(sgDebugClass c, sgDebugPriority p,
const char* file, int line, const std::string& aMessage) = 0;
void setLogLevels(sgDebugClass c, sgDebugPriority p);
protected:
LogCallback(sgDebugClass c, sgDebugPriority p);
bool shouldLog(sgDebugClass c, sgDebugPriority p) const;
private:
sgDebugClass m_class;
sgDebugPriority m_priority;
};
/**
* Helper force a console on platforms where it might optional, when
* we need to show a console. This basically means Windows at the
* moment - on other plaforms it's a no-op
*/
void requestConsole();
} // of namespace simgear
/**
* Class to manage the debug logging stream.
*/
class logstream
{
public:
static void initGlobalLogstream();
/**
* Set the global log class and priority level.
* @param c debug class
* @param p priority
*/
void setLogLevels( sgDebugClass c, sgDebugPriority p );
bool would_log( sgDebugClass c, sgDebugPriority p ) const;
void logToFile( const SGPath& aPath, sgDebugClass c, sgDebugPriority p );
void set_log_priority( sgDebugPriority p);
void set_log_classes( sgDebugClass c);
sgDebugClass get_log_classes() const;
sgDebugPriority get_log_priority() const;
/**
* the core logging method
*/
void log( sgDebugClass c, sgDebugPriority p,
const char* fileName, int line, const std::string& msg);
/**
* \relates logstream
* Return the one and only logstream instance.
* We use a function instead of a global object so we are assured that cerr
* has been initialised.
* @return current logstream
*/
friend logstream& sglog();
/**
* register a logging callback. Note callbacks are run in a
* dedicated thread, so callbacks which pass data to other threads
* must use appropriate locking.
*/
void addCallback(simgear::LogCallback* cb);
void removeCallback(simgear::LogCallback* cb);
private:
// constructor
logstream();
};
logstream& sglog();
/** \def SG_LOG(C,P,M)
* Log a message.
* @param C debug class
* @param P priority
* @param M message
*/
#ifdef FG_NDEBUG
# define SG_LOG(C,P,M)
#else
# define SG_LOG(C,P,M) do { \
if(sglog().would_log(C,P)) { \
std::ostringstream os; \
os << M; \
sglog().log(C, P, __FILE__, __LINE__, os.str()); \
} \
} while(0)
#endif
#define SG_ORIGIN __FILE__ ":" SG_STRINGIZE(__LINE__)
#endif // _LOGSTREAM_H
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