xash3d-fwgs/engine/client/cl_debug.c

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2018-06-19 15:22:30 +02:00
/*
cl_debug.c - server message debugging
Copyright (C) 2018 Uncle Mike
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 3 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.
*/
#include "common.h"
#include "client.h"
#include "net_encode.h"
#include "particledef.h"
#include "cl_tent.h"
#include "shake.h"
#include "hltv.h"
#include "input.h"
#define MSG_COUNT 32 // last 32 messages parsed
#define MSG_MASK (MSG_COUNT - 1)
typedef struct
{
int command;
int starting_offset;
int frame_number;
} oldcmd_t;
typedef struct
{
oldcmd_t oldcmd[MSG_COUNT];
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int currentcmd;
qboolean parsing;
} msg_debug_t;
static msg_debug_t cls_message_debug;
const char *CL_MsgInfo( int cmd )
{
static string sz;
Q_strcpy( sz, "???" );
if( cmd >= 0 && cmd <= svc_lastmsg )
{
// get engine message name
Q_strncpy( sz, svc_strings[cmd], sizeof( sz ));
}
else if( cmd > svc_lastmsg && cmd <= ( svc_lastmsg + MAX_USER_MESSAGES ))
{
int i;
for( i = 0; i < MAX_USER_MESSAGES; i++ )
{
if( clgame.msg[i].number == cmd )
{
Q_strncpy( sz, clgame.msg[i].name, sizeof( sz ));
break;
}
}
}
return sz;
}
/*
=====================
CL_Parse_Debug
enable message debugging
=====================
*/
void CL_Parse_Debug( qboolean enable )
{
cls_message_debug.parsing = enable;
}
/*
=====================
CL_Parse_RecordCommand
record new message params into debug buffer
=====================
*/
void CL_Parse_RecordCommand( int cmd, int startoffset )
{
int slot;
if( cmd == svc_nop ) return;
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slot = ( cls_message_debug.currentcmd++ & MSG_MASK );
cls_message_debug.oldcmd[slot].command = cmd;
cls_message_debug.oldcmd[slot].starting_offset = startoffset;
cls_message_debug.oldcmd[slot].frame_number = host.framecount;
}
/*
=====================
CL_ResetFrame
=====================
*/
void CL_ResetFrame( frame_t *frame )
{
memset( &frame->graphdata, 0, sizeof( netbandwidthgraph_t ));
frame->receivedtime = host.realtime;
frame->valid = true;
frame->choked = false;
frame->latency = 0.0;
frame->time = cl.mtime[0];
}
/*
=====================
CL_WriteErrorMessage
write net_message into buffer.dat for debugging
=====================
*/
static void CL_WriteErrorMessage( int current_count, sizebuf_t *msg )
{
const char *buffer_file = "buffer.dat";
file_t *fp;
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fp = FS_Open( buffer_file, "wb", false );
if( !fp ) return;
FS_Write( fp, &cls.starting_count, sizeof( int ));
FS_Write( fp, &current_count, sizeof( int ));
FS_Write( fp, MSG_GetData( msg ), MSG_GetMaxBytes( msg ));
FS_Close( fp );
Con_Printf( "Wrote erroneous message to %s\n", buffer_file );
}
/*
=====================
CL_WriteMessageHistory
list last 32 messages for debugging net troubleshooting
=====================
*/
void CL_WriteMessageHistory( void )
{
oldcmd_t *old, *failcommand;
sizebuf_t *msg = &net_message;
int i, thecmd;
if( !cls.initialized || cls.state == ca_disconnected )
return;
if( !cls_message_debug.parsing )
return;
Con_Printf( "Last %i messages parsed.\n", MSG_COUNT );
// finish here
thecmd = cls_message_debug.currentcmd - 1;
thecmd -= ( MSG_COUNT - 1 ); // back up to here
for( i = 0; i < MSG_COUNT - 1; i++ )
{
thecmd &= MSG_MASK;
old = &cls_message_debug.oldcmd[thecmd];
Con_Printf( "%i %04i %s\n", old->frame_number, old->starting_offset, CL_MsgInfo( old->command ));
thecmd++;
}
failcommand = &cls_message_debug.oldcmd[thecmd];
Con_Printf( "BAD: %3i:%s\n", MSG_GetNumBytesRead( msg ) - 1, CL_MsgInfo( failcommand->command ));
if( host_developer.value >= DEV_EXTENDED )
CL_WriteErrorMessage( MSG_GetNumBytesRead( msg ) - 1, msg );
cls_message_debug.parsing = false;
}