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/*
Minetest-c55
Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
This program 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 program 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 program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
Debug stuff
*/
#ifndef DEBUG_HEADER
#define DEBUG_HEADER
#include <stdio.h>
#include <jmutex.h>
#include <jmutexautolock.h>
#include <iostream>
#include "common_irrlicht.h"
/*
Compatibility stuff
*/
#if (defined(WIN32) || defined(_WIN32_WCE))
typedef DWORD threadid_t;
#define __NORETURN __declspec(noreturn)
#define __FUNCTION_NAME __FUNCTION__
#else
typedef pthread_t threadid_t;
#define __NORETURN __attribute__ ((__noreturn__))
#define __FUNCTION_NAME __PRETTY_FUNCTION__
#endif
inline threadid_t get_current_thread_id()
{
#if (defined(WIN32) || defined(_WIN32_WCE))
return GetCurrentThreadId();
#else
return pthread_self();
#endif
}
/*
Debug output
*/
#define DEBUGSTREAM_COUNT 2
extern FILE *g_debugstreams[DEBUGSTREAM_COUNT];
extern void debugstreams_init(bool disable_stderr, const char *filename);
extern void debugstreams_deinit();
#define DEBUGPRINT(...)\
{\
for(int i=0; i<DEBUGSTREAM_COUNT; i++)\
{\
if(g_debugstreams[i] != NULL){\
fprintf(g_debugstreams[i], __VA_ARGS__);\
fflush(g_debugstreams[i]);\
}\
}\
}
class Debugbuf : public std::streambuf
{
public:
Debugbuf(bool disable_stderr)
{
m_disable_stderr = disable_stderr;
}
int overflow(int c)
{
for(int i=0; i<DEBUGSTREAM_COUNT; i++)
{
if(g_debugstreams[i] == stderr && m_disable_stderr)
continue;
if(g_debugstreams[i] != NULL)
fwrite(&c, 1, 1, g_debugstreams[i]);
//TODO: Is this slow?
fflush(g_debugstreams[i]);
}
return c;
}
int xsputn(const char *s, int n)
{
for(int i=0; i<DEBUGSTREAM_COUNT; i++)
{
if(g_debugstreams[i] == stderr && m_disable_stderr)
continue;
if(g_debugstreams[i] != NULL)
fwrite(s, 1, n, g_debugstreams[i]);
//TODO: Is this slow?
fflush(g_debugstreams[i]);
}
return n;
}
private:
bool m_disable_stderr;
};
// This is used to redirect output to /dev/null
class Nullstream : public std::ostream {
public:
Nullstream():
std::ostream(0)
{
}
private:
};
extern Debugbuf debugbuf;
extern std::ostream dstream;
extern std::ostream dstream_no_stderr;
extern Nullstream dummyout;
/*
Assert
*/
__NORETURN extern void assert_fail(
const char *assertion, const char *file,
unsigned int line, const char *function);
#define ASSERT(expr)\
((expr)\
? (void)(0)\
: assert_fail(#expr, __FILE__, __LINE__, __FUNCTION_NAME))
#define assert(expr) ASSERT(expr)
/*
DebugStack
*/
#define DEBUG_STACK_SIZE 50
#define DEBUG_STACK_TEXT_SIZE 300
struct DebugStack
{
DebugStack(threadid_t id);
void print(FILE *file, bool everything);
threadid_t threadid;
char stack[DEBUG_STACK_SIZE][DEBUG_STACK_TEXT_SIZE];
int stack_i; // Points to the lowest empty position
int stack_max_i; // Highest i that was seen
};
extern core::map<threadid_t, DebugStack*> g_debug_stacks;
extern JMutex g_debug_stacks_mutex;
extern void debug_stacks_init();
extern void debug_stacks_print();
class DebugStacker
{
public:
DebugStacker(const char *text);
~DebugStacker();
private:
DebugStack *m_stack;
bool m_overflowed;
};
#define DSTACK(...)\
char __buf[DEBUG_STACK_TEXT_SIZE];\
snprintf(__buf,\
DEBUG_STACK_TEXT_SIZE, __VA_ARGS__);\
DebugStacker __debug_stacker(__buf);
/*
Packet counter
*/
class PacketCounter
{
public:
PacketCounter()
{
}
void add(u16 command)
{
core::map<u16, u16>::Node *n = m_packets.find(command);
if(n == NULL)
{
m_packets[command] = 1;
}
else
{
n->setValue(n->getValue()+1);
}
}
void clear()
{
for(core::map<u16, u16>::Iterator
i = m_packets.getIterator();
i.atEnd() == false; i++)
{
i.getNode()->setValue(0);
}
}
void print(std::ostream &o)
{
for(core::map<u16, u16>::Iterator
i = m_packets.getIterator();
i.atEnd() == false; i++)
{
o<<"cmd "<<i.getNode()->getKey()
<<" count "<<i.getNode()->getValue()
<<std::endl;
}
}
private:
// command, count
core::map<u16, u16> m_packets;
};
#endif // DEBUG_HEADER
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