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quakeforge/qw/source/net_packetlog.c
Bill Currie 21d8b4f8dc link in hw, move the qw and nq networking code into libs/net and make 
hw-master use libnetchan. there are evil include hacks that will need to be
taken care of in net*.[ch]
2003-02-11 22:48:57 +00:00

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/*
net_packetlog.c
packet logging/parsing - for debugging and educational purposes
**EXPERIMENTAL**
Copyright (C) 2000 Jukka Sorjonen <jukka.sorjonen@asikkala.fi>
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((unused)) const char rcsid[] =
"$Id$";
#ifdef HAVE_IO_H
# include <io.h>
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include <stdarg.h>
#include "QF/cmd.h"
#include "QF/cvar.h"
#include "QF/msg.h"
#include "QF/quakefs.h"
#include "QF/va.h"
#include "compat.h"
#include "netchan.h"
#include "protocol.h"
#include "server.h"
cvar_t *net_packetlog;
cvar_t *net_loglevel;
// note: this is SUPPOSED to be duplicate, like many others
const char *svc_string[] = {
"svc_bad",
"svc_nop",
"svc_disconnect",
"svc_updatestat",
"svc_version", // [long] server version
"svc_setview", // [short] entity number
"svc_sound", // <see code>
"svc_time", // [float] server time
"svc_print", // [string] null terminated string
"svc_stufftext", // [string] stuffed into client's
// console buffer the string
// should be \n terminated
"svc_setangle", // [vec3] set the view angle to this
// absolute value
"svc_serverdata", // [long] version ...
"svc_lightstyle", // [byte] [string]
"svc_updatename", // [byte] [string]
"svc_updatefrags", // [byte] [short]
"svc_clientdata", // <shortbits + data>
"svc_stopsound", // <see code>
"svc_updatecolors", // [byte] [byte]
"svc_particle", // [vec3] <variable>
"svc_damage", // [byte] impact [byte] blood [vec3]
// from
"svc_spawnstatic",
"svc_spawnbinary",
"svc_spawnbaseline",
"svc_temp_entity", // <variable>
"svc_setpause",
"svc_signonnum",
"svc_centerprint",
"svc_killedmonster",
"svc_foundsecret",
"svc_spawnstaticsound",
"svc_intermission",
"svc_finale", // [string] music [string] text
"svc_cdtrack", // [byte] track [byte] looptrack
"svc_sellscreen",
"svc_smallkick", // Quake svc_cutscene
"svc_bigkick",
"svc_updateping",
"svc_updateentertime",
"svc_updatestatlong",
"svc_muzzleflash",
"svc_updateuserinfo",
"svc_download",
"svc_playerinfo",
"svc_nails",
"svc_chokecount",
"svc_modellist",
"svc_soundlist",
"svc_packetentities",
"svc_deltapacketentities",
"svc_maxspeed",
"svc_entgravity",
"svc_setinfo",
"svc_serverinfo",
"svc_updatepl",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL",
"NEW PROTOCOL"
};
const char *clc_string[] = {
"clc_bad",
"clc_nop",
"clc_disconnect",
"clc_move",
"clc_stringcmd",
"clc_delta",
"clc_tmove",
"clc_upload"
};
#ifndef svc_spawnbinary
# define svc_spawnbinary 21
#endif
// Quake1, obsolete for QW
#define svc_time 7 // [float] server time
#define svc_updatename 13 // [byte] [string]
#define svc_version 4 // [long] server version
#define svc_clientdata 15 // <shortbits + data>
#define svc_updatecolors 17 // [byte] [byte]
#define svc_particle 18 // [vec3] <variable>
#define svc_signonnum 25 // [byte] used for the signon
// sequence
static QFile *_stdout;
static QFile *Net_PacketLog;
static const char **Net_sound_precache;
static sizebuf_t _packet;
static msg_t packet = {0, 0, &_packet};
/*
NET_LogPrintf
Prints packet to logfile, adds time stamp etc.
*/
static void
Net_LogPrintf (const char *fmt, ...)
{
char text[2048];
va_list argptr;
va_start (argptr, fmt);
vsnprintf (text, sizeof (text), fmt, argptr);
va_end (argptr);
if (!Net_PacketLog)
return;
Qprintf (Net_PacketLog, "%s", text);
Qflush (Net_PacketLog);
}
static int
Net_LogStart (const char *fname)
{
char e_path[MAX_OSPATH];
Qexpand_squiggle (fs_userpath->string, e_path);
Con_Printf ("Opening packet logfile: %s\n", fname);
Net_PacketLog = Qopen (va ("%s/%s", e_path, fname), "at");
if (!Net_PacketLog)
return -1;
return 0;
}
void
Net_LogStop (void)
{
if (Net_PacketLog)
Qclose (Net_PacketLog);
Net_PacketLog = NULL;
}
static void
hex_dump_buf (unsigned char *buf, int len)
{
int pos = 0, llen, i;
while (pos < len) {
llen = (len - pos < 16 ? len - pos : 16);
Net_LogPrintf ("%08x: ", pos);
for (i = 0; i < llen; i++)
Net_LogPrintf ("%02x ", buf[pos + i]);
for (i = 0; i < 16 - llen; i++)
Net_LogPrintf (" ");
Net_LogPrintf (" | ");
for (i = 0; i < llen; i++)
Net_LogPrintf ("%c", isprint (buf[pos + i]) ? buf[pos + i] : '.');
for (i = 0; i < 16 - llen; i++)
Net_LogPrintf (" ");
Net_LogPrintf ("\n");
pos += llen;
}
}
/*
static void
ascii_dump_buf (unsigned char *buf, int len)
{
int pos = 0, llen, i;
while (pos < len) {
llen = (len - pos < 60 ? len - pos : 60);
Net_LogPrintf ("%08x: ", pos);
for (i = 0; i < llen; i++)
Net_LogPrintf ("%c", isprint (buf[pos + i]) ? buf[pos + i] : '.');
Net_LogPrintf ("\n");
pos += llen;
}
}
*/
void
Log_Incoming_Packet (const char *p, int len)
{
if (!net_loglevel->int_val)
return;
if (is_server) {
Net_LogPrintf ("\n<<<<<<<<<<<<<<<<<<<<< client to server %d bytes: "
"<<<<<<<<<<<<<<<<<<<<<<<<\n", len);
if (net_loglevel->int_val != 3)
hex_dump_buf ((unsigned char *) p, len);
if (net_loglevel->int_val > 1)
Analyze_Client_Packet (p, len);
} else {
Net_LogPrintf ("\n>>>>>>>>>>>>>>>>>>>>> server to client %d bytes: "
">>>>>>>>>>>>>>>>>>>>>>>>\n", len);
if (net_loglevel->int_val != 3)
hex_dump_buf ((unsigned char *) p, len);
if (net_loglevel->int_val > 1)
Analyze_Server_Packet (p, len);
}
return;
}
void
Log_Outgoing_Packet (const char *p, int len)
{
if (!net_loglevel->int_val)
return;
if (is_server) {
Net_LogPrintf ("\n>>>>>>>>>>>>>>>>>>>>> server to client %d bytes: "
">>>>>>>>>>>>>>>>>>>>>>>>\n", len);
if (net_loglevel->int_val != 3)
hex_dump_buf ((unsigned char *) p, len);
if (net_loglevel->int_val > 1)
Analyze_Server_Packet (p, len);
} else {
Net_LogPrintf ("\n<<<<<<<<<<<<<<<<<<<<< client to server %d bytes: "
"<<<<<<<<<<<<<<<<<<<<<<<<\n", len);
if (net_loglevel->int_val != 3)
hex_dump_buf ((unsigned char *) p, len);
if (net_loglevel->int_val > 1)
Analyze_Client_Packet (p, len);
}
return;
}
static void
Log_Delta(int bits)
{
entity_state_t to;
int i;
Net_LogPrintf ("\n\t");
// set everything to the state we are delta'ing from
to.number = bits & 511;
bits &= ~511;
if (bits & U_MOREBITS) { // read in the low order bits
i = MSG_ReadByte (&packet);
bits |= i;
}
// LordHavoc: Endy neglected to mark this as being part of the QSG
// version 2 stuff...
if (bits & U_EXTEND1) {
bits |= MSG_ReadByte (&packet) << 16;
if (bits & U_EXTEND2)
bits |= MSG_ReadByte (&packet) << 24;
}
to.flags = bits;
if (bits & U_MODEL)
Net_LogPrintf (" MdlIdx: %d", MSG_ReadByte (&packet));
if (bits & U_FRAME) {
to.frame = MSG_ReadByte (&packet);
Net_LogPrintf (" Frame: %d", to.frame);
}
if (bits & U_COLORMAP)
Net_LogPrintf (" Colormap: %d", MSG_ReadByte (&packet));
if (bits & U_SKIN)
Net_LogPrintf (" Skinnum: %d", MSG_ReadByte (&packet));
if (bits & U_EFFECTS) {
to.effects = MSG_ReadByte (&packet);
Net_LogPrintf (" Effects: %d", to.effects);
}
if (bits & U_ORIGIN1)
Net_LogPrintf (" X: %f", MSG_ReadCoord (&packet));
if (bits & U_ANGLE1)
Net_LogPrintf (" Pitch: %d", MSG_ReadAngle (&packet));
if (bits & U_ORIGIN2)
Net_LogPrintf (" Y: %f", MSG_ReadCoord (&packet));
if (bits & U_ANGLE2)
Net_LogPrintf (" Yaw: %d", MSG_ReadAngle (&packet));
if (bits & U_ORIGIN3)
Net_LogPrintf (" Z: %f", MSG_ReadCoord (&packet));
if (bits & U_ANGLE3)
Net_LogPrintf (" Roll: %d", MSG_ReadAngle (&packet));
// Ender (QSG - Begin)
if (bits & U_ALPHA)
Net_LogPrintf(" Alpha: %d", MSG_ReadByte (&packet));
if (bits & U_SCALE)
Net_LogPrintf(" Scale: %d", MSG_ReadByte (&packet));
if (bits & U_EFFECTS2)
Net_LogPrintf(" U_EFFECTS2: %d", (to.effects & 0xFF) |
(MSG_ReadByte (&packet) << 8));
if (bits & U_GLOWSIZE)
Net_LogPrintf(" GlowSize: %d", MSG_ReadByte (&packet));
if (bits & U_GLOWCOLOR)
Net_LogPrintf(" ColorGlow: %d", MSG_ReadByte (&packet));
if (bits & U_COLORMOD)
Net_LogPrintf(" Colormod: %d", MSG_ReadByte (&packet));
if (bits & U_FRAME2)
Net_LogPrintf(" Uframe2: %d", ((to.frame & 0xFF) |
(MSG_ReadByte (&packet) << 8)));
// Ender (QSG - End)
return;
}
static void
Parse_Server_Packet (void)
{
const char *s;
int c, i, ii, iii, mask1, mask2;
long seq1, seq2;
seq1 = MSG_ReadLong (&packet);
if (packet.badread)
return;
if (seq1 == -1) {
Net_LogPrintf ("Special Packet");
} else {
seq2 = MSG_ReadLong (&packet);
// FIXME: display seqs right when reliable
Net_LogPrintf ("\nSeq: %ld Ack: %ld ", seq1 & 0x7FFFFFFF,
seq2 & 0x7FFFFFFF);
if ((seq1 >> 31) & 0x01)
Net_LogPrintf ("SV_REL ");
if ((seq2 >> 31) & 0x01)
Net_LogPrintf ("SV_RELACK");
Net_LogPrintf ("\n");
while (1) {
if (packet.badread)
break;
c = MSG_ReadByte (&packet);
if (c == -1)
break;
Net_LogPrintf ("<%06x> [0x%02x] ", MSG_GetReadCount (&packet), c);
if (c < 53)
Net_LogPrintf ("%s: ", svc_string[c]);
if (MSG_GetReadCount (&packet) > packet.message->cursize)
return;
switch (c) {
case svc_bad:
Net_LogPrintf (" - should not happen");
break;
case svc_nop:
Net_LogPrintf (" No operation");
break;
case svc_disconnect:
Net_LogPrintf (" <Quit>");
break;
case svc_updatestat:
i = MSG_ReadByte (&packet);
Net_LogPrintf (" index: %d value: %d", i, MSG_ReadByte
(&packet));
break;
case svc_version:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_setview:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_sound:
i = MSG_ReadShort (&packet);
Net_LogPrintf (": (%d) ", i);
if (i & SND_VOLUME)
Net_LogPrintf ("Volume %d ", MSG_ReadByte (&packet));
if (i & SND_ATTENUATION)
Net_LogPrintf ("Ann: %f",
(float) MSG_ReadByte (&packet) / 64.0);
ii = MSG_ReadByte (&packet);
Net_LogPrintf ("%d (%s) ", ii, Net_sound_precache[ii]);
Net_LogPrintf ("Pos: ");
for (ii = 0; ii < 3; ii++)
Net_LogPrintf ("%f ", MSG_ReadCoord (&packet));
Net_LogPrintf ("Ent: %d ", (i >> 3) & 1023);
Net_LogPrintf ("Channel %d ", i & 7);
break;
case svc_time:
Net_LogPrintf ("**QW OBSOLETE**\n");
break;
case svc_print:
// FIXME: i==PRINT_CHAT
Net_LogPrintf ("[%d] ", MSG_ReadByte (&packet));
Net_LogPrintf ("%s", MSG_ReadString (&packet));
break;
case svc_stufftext:
Net_LogPrintf ("%s", MSG_ReadString (&packet));
break;
case svc_setangle:
for (i = 0; i < 3; i++)
Net_LogPrintf ("%f ", MSG_ReadAngle (&packet));
break;
case svc_serverdata:
Net_LogPrintf ("Ver: %ld", MSG_ReadLong (&packet));
Net_LogPrintf (" Client ID: %ld", MSG_ReadLong (&packet));
Net_LogPrintf (" Dir: %s", MSG_ReadString (&packet));
Net_LogPrintf (" User ID: %d", MSG_ReadByte (&packet));
Net_LogPrintf (" Map: %s", MSG_ReadString (&packet));
for (i = 0; i < 10; i++)
MSG_ReadFloat (&packet);
break;
case svc_lightstyle:
i = MSG_ReadByte (&packet);
if (i >= MAX_LIGHTSTYLES)
return;
Net_LogPrintf ("%d %s", i, MSG_ReadString (&packet));
break;
case svc_updatename:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_updatefrags:
Net_LogPrintf ("player: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("frags: %d", MSG_ReadShort (&packet));
break;
case svc_clientdata:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_stopsound:
Net_LogPrintf ("%d", MSG_ReadShort (&packet));
break;
case svc_updatecolors:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_particle:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_damage:
// FIXME: parse damage
Net_LogPrintf ("armor: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("health: %d from", MSG_ReadByte (&packet));
for (i = 0; i < 3; i++)
Net_LogPrintf ("%f%s", MSG_ReadCoord (&packet),
i < 2 ? "," : "");
break;
case svc_spawnstatic:
Net_LogPrintf ("Model: %d", MSG_ReadByte (&packet));
Net_LogPrintf (" Frame: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("Color: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("Skin: %d", MSG_ReadByte (&packet));
for (i = 0; i < 3; i++) {
Net_LogPrintf ("%d: %f ", i + 1,
MSG_ReadCoord (&packet));
Net_LogPrintf ("%f", MSG_ReadAngle (&packet));
}
break;
case svc_spawnbinary:
Net_LogPrintf ("**OBSOLETE**");
break;
case svc_spawnbaseline:
Net_LogPrintf ("%d", MSG_ReadShort (&packet));
Net_LogPrintf (" idx: %d", MSG_ReadByte (&packet));
Net_LogPrintf (" Frame: %d", MSG_ReadByte (&packet));
Net_LogPrintf (" Colormap: %d", MSG_ReadByte (&packet));
Net_LogPrintf (" Skin: %d", MSG_ReadByte (&packet));
for (i = 0; i < 3; i++) {
Net_LogPrintf (" %f", MSG_ReadCoord (&packet));
Net_LogPrintf (" %d", MSG_ReadAngle (&packet));
};
break;
case svc_temp_entity:
i = MSG_ReadByte (&packet);
switch (i) {
case 0:
case 1:
case 3:
case 4:
case 7:
case 8:
case 10:
case 11:
case 13:
Net_LogPrintf (" origin");
for (i = 0; i < 3; i++)
Net_LogPrintf (" %f", MSG_ReadCoord (&packet));
break;
case 5:
case 6:
case 9:
Net_LogPrintf (" created by %d", MSG_ReadShort
(&packet));
Net_LogPrintf (" origin:");
for (i = 0; i < 3; i++)
Net_LogPrintf ("%c%f", i ? ',' : ' ',
MSG_ReadCoord (&packet));
Net_LogPrintf (" trace endpos:");
for (i = 0; i < 3; i++)
Net_LogPrintf ("%c%f", i ? ',' : ' ',
MSG_ReadCoord (&packet));
break;
case 2:
case 12:
Net_LogPrintf (" count: %d", MSG_ReadByte
(&packet));
Net_LogPrintf (" origin:");
for (i = 0; i < 3; i++)
Net_LogPrintf ("%c%f", i ? ',' : ' ',
MSG_ReadCoord (&packet));
break;
default:
Net_LogPrintf (" unknown value %d for tempentity",
i);
break;
}
break;
case svc_setpause:
Net_LogPrintf (" %d", MSG_ReadByte (&packet));
break;
case svc_signonnum:
Net_LogPrintf ("**QW OBSOLETE**");
break;
case svc_centerprint:
Net_LogPrintf ("%s\n", MSG_ReadString (&packet));
break;
case svc_killedmonster:
break;
case svc_foundsecret:
break;
case svc_spawnstaticsound:
Net_LogPrintf ("pos");
for (i = 0; i < 3; i++)
Net_LogPrintf ("%c%f", i ? ',' : ' ',
MSG_ReadCoord (&packet));
for (i = 0; i < 3; i++)
Net_LogPrintf (" %d", MSG_ReadByte (&packet));
break;
case svc_intermission:
for (i = 0; i < 3; i++)
Net_LogPrintf ("%f ", MSG_ReadCoord (&packet));
Net_LogPrintf ("\n");
for (i = 0; i < 3; i++)
Net_LogPrintf ("%f ", MSG_ReadAngle (&packet));
break;
case svc_finale:
Net_LogPrintf ("%s", MSG_ReadString (&packet));
break;
case svc_cdtrack:
Net_LogPrintf ("%d", MSG_ReadByte (&packet));
break;
case svc_sellscreen:
break;
case svc_smallkick:
break;
case svc_bigkick:
break;
case svc_updateping:
Net_LogPrintf ("Player: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("Ping: %d", MSG_ReadShort (&packet));
break;
case svc_updateentertime:
Net_LogPrintf ("Player: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("Time: %f", MSG_ReadFloat (&packet));
break;
case svc_updatestatlong:
i = MSG_ReadByte (&packet);
Net_LogPrintf ("%d value: %ld", i, MSG_ReadLong (&packet));
break;
case svc_muzzleflash:
Net_LogPrintf ("%d", MSG_ReadShort (&packet));
break;
case svc_updateuserinfo:
Net_LogPrintf ("Player: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("ID: %ld ", MSG_ReadLong (&packet));
Net_LogPrintf ("Info: %s", MSG_ReadString (&packet));
break;
case svc_download:
ii = MSG_ReadShort (&packet);
Net_LogPrintf ("%d bytes at %d", ii, MSG_ReadByte
(&packet));
for (i = 0; i < ii; i++)
MSG_ReadByte (&packet);
break;
case svc_playerinfo:
Net_LogPrintf ("\n\tPlayer: %d", MSG_ReadByte (&packet));
mask1 = MSG_ReadShort (&packet);
Net_LogPrintf (" Mask1: %d", mask1);
Net_LogPrintf (" Origin:");
for (i = 0; i < 3; i++)
Net_LogPrintf ("%c%f", i ? ',' : ' ',
MSG_ReadCoord (&packet));
Net_LogPrintf (" Frame: %d", MSG_ReadByte (&packet));
if (mask1 & PF_MSEC)
Net_LogPrintf (" Ping: %d", MSG_ReadByte (&packet));
if (mask1 & PF_COMMAND) {
mask2 = MSG_ReadByte (&packet); // command
if (mask2 & 0x01)
Net_LogPrintf (" Pitch: %f", MSG_ReadAngle16
(&packet));
if (mask2 & 0x80)
Net_LogPrintf (" Yaw: %f", MSG_ReadAngle16
(&packet));
if (mask2 & 0x02)
Net_LogPrintf (" Roll: %f", MSG_ReadAngle16
(&packet));
if (mask2 & 0x04)
Net_LogPrintf (" Speed1: %d", MSG_ReadShort
(&packet));
if (mask2 & 0x08)
Net_LogPrintf (" Speed2: %d", MSG_ReadShort
(&packet));
if (mask2 & 0x10)
Net_LogPrintf (" Speed3: %d", MSG_ReadShort
(&packet));
if (mask2 & 0x20)
Net_LogPrintf (" Flag: %d", MSG_ReadByte
(&packet));
if (mask2 & 0x40)
Net_LogPrintf (" Impulse: %d", MSG_ReadByte
(&packet));
Net_LogPrintf (" Msec: %d", MSG_ReadByte (&packet));
}
if (mask1 & PF_VELOCITY1)
Net_LogPrintf (" Xspd: %f", MSG_ReadCoord (&packet));
if (mask1 & PF_VELOCITY2)
Net_LogPrintf (" Yspd: %f", MSG_ReadCoord (&packet));
if (mask1 & PF_VELOCITY3)
Net_LogPrintf (" ZSpd: %f", MSG_ReadCoord (&packet));
if (mask1 & PF_MODEL)
Net_LogPrintf (" Model: %d", MSG_ReadByte (&packet));
if (mask1 & PF_SKINNUM)
Net_LogPrintf (" Skin: %d", MSG_ReadByte (&packet));
if (mask1 & PF_EFFECTS)
Net_LogPrintf (" Effects: %d", MSG_ReadByte (&packet));
if (mask1 & PF_WEAPONFRAME)
Net_LogPrintf (" Weapon frame: %d", MSG_ReadByte
(&packet));
break;
case svc_nails:
ii = MSG_ReadByte (&packet);
Net_LogPrintf (" %d (bits not parsed)", ii);
for (i = 0; i < ii; i++) {
for (iii = 0; iii < 6; iii++)
MSG_ReadByte (&packet);
}
break;
case svc_chokecount:
Net_LogPrintf ("%d", MSG_ReadByte (&packet));
break;
case svc_modellist:
ii = MSG_ReadByte (&packet);
Net_LogPrintf ("start %d", ii);
for (i = ii; i < 256; i++) {
s = MSG_ReadString (&packet);
if (packet.badread)
break;
if (!s)
break;
if (strlen (s) == 0)
break;
Net_LogPrintf ("\n\tModel %d: %s", i, s);
}
i = MSG_ReadByte (&packet);
if (i)
Net_LogPrintf ("\n\tnext at %d", i);
else
Net_LogPrintf ("\n\t*End of modellist*");
break;
case svc_soundlist:
ii = MSG_ReadByte (&packet);
Net_LogPrintf ("start %d", ii);
for (i = ii; i < 256; i++) {
s = MSG_ReadString (&packet);
if (packet.badread)
break;
if (!s)
break;
if (strlen (s) == 0)
break;
Net_LogPrintf ("\n\tSound %d: %s", i, s);
}
i = MSG_ReadByte (&packet);
if (i)
Net_LogPrintf ("\n\tnext at %d", i);
else
Net_LogPrintf ("\n\t*End of sound list*");
break;
case svc_packetentities:
while (1) {
mask1 = (unsigned short) MSG_ReadShort(&packet);
if (packet.badread) {
Net_LogPrintf ("Badread\n");
return;
}
if (!mask1) break;
if (mask1 & U_REMOVE) Net_LogPrintf("UREMOVE ");
Log_Delta(mask1);
}
break;
case svc_deltapacketentities:
Net_LogPrintf ("idx: %d", MSG_ReadByte (&packet));
return;
break;
case svc_maxspeed:
Net_LogPrintf ("%f", MSG_ReadFloat (&packet));
break;
case svc_entgravity:
Net_LogPrintf ("%f", MSG_ReadFloat (&packet));
break;
case svc_setinfo:
Net_LogPrintf ("Player: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("Keyname: %s ", MSG_ReadString (&packet));
Net_LogPrintf ("Value: %s", MSG_ReadString (&packet));
break;
case svc_serverinfo:
Net_LogPrintf ("Name: %s ", MSG_ReadString (&packet));
Net_LogPrintf ("Value: %s", MSG_ReadString (&packet));
break;
case svc_updatepl:
Net_LogPrintf ("Player: %d ", MSG_ReadByte (&packet));
Net_LogPrintf ("Ploss: %d", MSG_ReadByte (&packet));
break;
default:
Net_LogPrintf ("**UNKNOWN**: [%d]", c);
break;
}
Net_LogPrintf ("\n");
}
}
}
void
Analyze_Server_Packet (const byte * data, int len)
{
if (!Net_PacketLog)
Net_PacketLog = _stdout;
packet.message->data = (byte*)data;
packet.message->cursize = len;
MSG_BeginReading (&packet);
Parse_Server_Packet ();
if (Net_PacketLog == _stdout)
Net_PacketLog = NULL;
}
static void
Parse_Client_Packet (void)
{
int mask, i, c, ii;
long seq1, seq2;
seq1 = MSG_ReadLong (&packet);
if (seq1 == -1) {
Net_LogPrintf ("Special: %s\n", MSG_ReadString (&packet));
return;
} else {
// FIXME: display seqs right when reliable
seq2 = MSG_ReadLong (&packet);
Net_LogPrintf ("\nSeq: %ld Ack: %ld ", seq1 & 0x7FFFFFFF,
seq2 & 0x7FFFFFFF);
Net_LogPrintf ("QP: %u\n", MSG_ReadShort (&packet));
while (1) {
if (packet.badread)
break;
c = MSG_ReadByte (&packet);
if (c == -1)
break;
Net_LogPrintf ("\n<%06x> [0x%02x] ", MSG_GetReadCount (&packet),
c);
if (c < 8)
Net_LogPrintf ("%s: ", clc_string[c]);
switch (c) {
case clc_nop:
break;
case clc_delta:
Net_LogPrintf ("%d", MSG_ReadByte (&packet));
break;
case clc_move:
Net_LogPrintf ("checksum = %02x ", MSG_ReadByte (&packet));
Net_LogPrintf ("PacketLoss: %d", MSG_ReadByte (&packet));
for (i = 0; i < 3; i++) {
mask = MSG_ReadByte (&packet);
Net_LogPrintf ("\n\t(%d) mask = %02x", i, mask);
if (mask & 0x01)
Net_LogPrintf (" Tilt: %f", MSG_ReadAngle16
(&packet));
if (mask & 0x80)
Net_LogPrintf (" Yaw: %f", MSG_ReadAngle16
(&packet));
if (mask & 0x02)
Net_LogPrintf (" Roll: %f", MSG_ReadAngle16
(&packet));
if (mask & 0x04)
Net_LogPrintf (" Fwd: %d", MSG_ReadShort
(&packet));
if (mask & 0x08)
Net_LogPrintf (" Right: %d", MSG_ReadShort
(&packet));
if (mask & 0x10)
Net_LogPrintf (" Up: %d", MSG_ReadShort
(&packet));
if (mask & 0x20)
Net_LogPrintf (" Flags: %d", MSG_ReadByte
(&packet));
if (mask & 0x40)
Net_LogPrintf (" Impulse: %d", MSG_ReadByte
(&packet));
Net_LogPrintf (" Msec: %d", MSG_ReadByte (&packet));
}
break;
case clc_stringcmd:
Net_LogPrintf ("%s", MSG_ReadString (&packet));
break;
case clc_tmove:
for (i = 0; i < 3; i++)
Net_LogPrintf ("%f ", MSG_ReadCoord (&packet));
break;
case clc_upload:
ii = MSG_ReadShort (&packet);
Net_LogPrintf ("%d bytes at %d", ii, MSG_ReadByte
(&packet));
for (i = 0; i < ii; i++)
MSG_ReadByte (&packet);
break;
default:
Net_LogPrintf ("**UNKNOWN**: [%d]", c);
break;
}
Net_LogPrintf ("\n");
}
}
}
void
Analyze_Client_Packet (const byte * data, int len)
{
if (!Net_PacketLog)
Net_PacketLog = _stdout;
packet.message->data = (byte*)data;
packet.message->cursize = len;
MSG_BeginReading (&packet);
Parse_Client_Packet ();
if (Net_PacketLog == _stdout)
Net_PacketLog = NULL;
}
static void
Net_PacketLog_f (cvar_t *var)
{
if (var->int_val) {
Net_LogStart ("qfpacket.log");
} else {
Net_LogStop ();
}
}
static void
Net_PacketLog_Zap_f (void)
{
if (Net_PacketLog && Net_PacketLog != _stdout) {
Con_Printf ("truncating packet logfile: %s\n", "qfpacket.log");
Qseek (Net_PacketLog, 0, 0);
Qwrite (Net_PacketLog, 0, 0);
} else {
char e_path[MAX_OSPATH];
Qexpand_squiggle (fs_userpath->string, e_path);
Con_Printf ("Deleting packet logfile: %s\n", "qfpacket.log");
unlink (va ("%s/%s", e_path, "qfpacket.log"));
}
}
int
Net_Log_Init (const char **sound_precache)
{
Net_sound_precache = sound_precache;
_stdout = Qdopen (1, "wt"); // create a QFile of stdout
net_packetlog = Cvar_Get ("net_packetlog", "0", CVAR_NONE, Net_PacketLog_f,
"enable/disable packet logging");
// 0 = no logging
// 1 = hex dump only
// 2 = parse/hexdump
// 3 = just parse
// 4 = parse/hexdump, skip movement/empty messages
net_loglevel = Cvar_Get ("net_loglevel", "2", CVAR_NONE, NULL,
"Packet logging/parsing");
Cmd_AddCommand ("net_packetlog_zap", Net_PacketLog_Zap_f,
"clear the packet log file");
return 0;
}
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