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fteqw/engine/common/log.c

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8.8 KiB
C

// log.c: handles console logging functions and cvars
#include "quakedef.h"
// cvar callbacks
void Log_Dir_Callback (struct cvar_s *var, char *oldvalue);
void Log_Name_Callback (struct cvar_s *var, char *oldvalue);
// cvars
#define CONLOGGROUP "Console logging"
cvar_t log_enable[LOG_TYPES] = { SCVARF("log_enable", "0", CVAR_NOTFROMSERVER),
SCVARF("log_enable_players", "0", CVAR_NOTFROMSERVER)};
cvar_t log_name[LOG_TYPES] = { SCVARFC("log_name", "", CVAR_NOTFROMSERVER, Log_Name_Callback),
SCVARFC("log_name_players", "", CVAR_NOTFROMSERVER, Log_Name_Callback)};
cvar_t log_dir = SCVARFC("log_dir", "", CVAR_NOTFROMSERVER, Log_Dir_Callback);
cvar_t log_readable = SCVARF("log_readable", "0", CVAR_NOTFROMSERVER);
cvar_t log_developer = SCVARF("log_developer", "0", CVAR_NOTFROMSERVER);
cvar_t log_rotate_files = SCVARF("log_rotate_files", "0", CVAR_NOTFROMSERVER);
cvar_t log_rotate_size = SCVARF("log_rotate_size", "131072", CVAR_NOTFROMSERVER);
cvar_t log_dosformat = SCVARF("log_dosformat", "0", CVAR_NOTFROMSERVER);
// externals
int COM_FileSize(char *path);
extern char gamedirfile[];
// table of readable characters, same as ezquake
char readable[256] =
{
'.', '_', '_', '_', '_', '.', '_', '_',
'_', '_', '\n', '_', '\n', '>', '.', '.',
'[', ']', '0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', '.', '_', '_', '_',
' ', '!', '\"', '#', '$', '%', '&', '\'',
'(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', '{', '|', '}', '~', '_',
'_', '_', '_', '_', '_', '.', '_', '_',
'_', '_', '_', '_', '_', '>', '.', '.',
'[', ']', '0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', '.', '_', '_', '_',
' ', '!', '\"', '#', '$', '%', '&', '\'',
'(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', ':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g',
'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o',
'p', 'q', 'r', 's', 't', 'u', 'v', 'w',
'x', 'y', 'z', '{', '|', '}', '~', '_'
};
// Log_Dir_Callback: called when a log_dir is changed
void Log_Dir_Callback (struct cvar_s *var, char *oldvalue)
{
char *t = var->string;
// sanity check for directory
if (strstr(t, "..") || strstr(t, ":") || *t == '/' || *t == '\\')
{
Con_Printf(S_NOTICE "%s forced to default due to invalid characters.\n", var->name);
// recursion is avoided by assuming the default value is sane
Cvar_ForceSet(var, var->defaultstr);
}
}
// Log_Name_Callback: called when a log_name is changed
void Log_Name_Callback (struct cvar_s *var, char *oldvalue)
{
char *t = var->string;
// sanity check for directory
if (strstr(t, "..") || strstr(t, ":") || strstr(t, "/") || strstr(t, "\\"))
{
Con_Printf(S_NOTICE "%s forced to default due to invalid characters.\n", var->name);
// recursion is avoided by assuming the default value is sane
Cvar_ForceSet(var, var->defaultstr);
}
}
// Con_Log: log string to console log
void Log_String (logtype_t lognum, char *s)
{
vfsfile_t *fi;
char *d; // directory
char *f; // filename
char *t;
char logbuf[1024];
int i;
if (!log_enable[lognum].value)
return;
// get directory/filename
d = gamedirfile;
if (log_dir.string[0])
d = log_dir.string;
f = NULL;
switch(lognum)
{
case LOG_CONSOLE:
f = "qconsole";
break;
case LOG_PLAYER:
f = "players";
break;
default:
break;
}
if (log_name[lognum].string[0])
f = log_name[lognum].string;
if (!f)
return;
// readable translation and Q3 code removal, use t for final string to write
t = logbuf;
// max debuglog buf is 1024
for (i = 0; i < 1023; i++, s++)
{
if (*s == 0)
break;
else if (((int)(log_readable.value) & 2) && *s == '^')
{
// log_readable 2 removes Q3 codes as well
char c = s[1];
if ((c >= '0' && c <= '9') || c == 'a' || c == 'b' || c == 'h' || c == 's' || c == 'r')
{
i--;
s++;
}
else if (c == '&')
{
if (isextendedcode(s[2]) && isextendedcode(s[3]))
{
i--;
s += 3;
}
}
else
{
*t = '^';
t++;
}
}
else if (log_dosformat.value && *s == '\n')
{
// convert \n to \r\n
*t = '\r';
t++;
i++;
if (i < 1023)
{
*t = '\n';
t++;
}
}
else
{
// use readable table to convert quake chars to reabable text
if ((int)(log_readable.value) & 1)
*t = readable[(unsigned char)(*s)]; // translate
else
*t = *s; // copy
t++;
}
}
*t = 0;
f = va("%s/%s.log",d,f); // temp string in va()
// file rotation
if (log_rotate_size.value >= 4096 && log_rotate_files.value >= 1)
{
int x;
vfsfile_t *fi;
// check file size, use x as temp
if ((fi = FS_OpenVFS(f, "rb", FS_BASE)))
{
x = VFS_GETLEN(fi);
VFS_CLOSE(fi);
x += i; // add string size to file size to never go over
}
else
x = 0;
if (x > (int)log_rotate_size.value)
{
char newf[MAX_OSPATH];
char oldf[MAX_OSPATH];
i = log_rotate_files.value;
// unlink file at the top of the chain
snprintf(oldf, sizeof(oldf)-1, "%s.%i", f, i);
FS_Remove(oldf, FS_BASE);
// rename files through chain
for (x = i-1; x > 0; x--)
{
strcpy(newf, oldf);
snprintf(oldf, sizeof(oldf)-1, "%s.%i", f, x);
// check if file exists, otherwise skip
if ((fi = FS_OpenVFS(oldf, "rb", FS_BASE)))
VFS_CLOSE(fi);
else
continue; // skip nonexistant files
if (FS_Rename(oldf, newf, FS_BASE))
{
// rename failed, disable log and bug out
Cvar_ForceSet(&log_enable[lognum], "0");
Con_Printf("Unable to rotate log files. Logging disabled.\n");
return;
}
}
// TODO: option to compress file somewhere in here?
// rename our base file, which better exist...
if (FS_Rename(f, oldf, FS_BASE))
{
// rename failed, disable log and bug out
Cvar_ForceSet(&log_enable[lognum], "0");
Con_Printf("Unable to rename base log file. Logging disabled.\n");
return;
}
}
}
FS_CreatePath(f, FS_BASE);
if ((fi = FS_OpenVFS(f, "ab", FS_BASE)))
{
VFS_WRITE(fi, logbuf, strlen(logbuf));
VFS_CLOSE(fi);
}
else
{
// write failed, bug out
Cvar_ForceSet(&log_enable[lognum], "0");
Con_Printf("Unable to write to log file. Logging disabled.\n");
return;
}
}
void Con_Log (char *s)
{
Log_String(LOG_CONSOLE, s);
}
#ifndef CLIENTONLY
//still to add stuff at:
//connects
//disconnects
//kicked
void SV_LogPlayer(client_t *cl, char *msg)
{
char line[2048];
snprintf(line, sizeof(line),
"%s\\%s\\%i\\%s\\%s\\%i%s\n",
msg, cl->name, cl->userid,
NET_BaseAdrToString(cl->netchan.remote_address), "??",
cl->netchan.remote_address.port, cl->userinfo);
Log_String(LOG_PLAYER, line);
}
#endif
void Log_Logfile_f (void)
{
extern char gamedirfile[];
if (log_enable[LOG_CONSOLE].value)
{
Cvar_SetValue(&log_enable[LOG_CONSOLE], 0);
Con_Printf("Logging disabled.\n");
}
else
{
char *d, *f;
d = gamedirfile;
if (log_dir.string[0])
d = log_dir.string;
f = "qconsole";
if (log_name[LOG_CONSOLE].string[0])
f = log_name[LOG_CONSOLE].string;
Con_Printf(va("Logging to %s/%s.log.\n", d, f));
Cvar_SetValue(&log_enable[LOG_CONSOLE], 1);
}
}
/*
void SV_Fraglogfile_f (void)
{
char name[MAX_OSPATH];
int i;
if (sv_fraglogfile)
{
Con_TPrintf (STL_FLOGGINGOFF);
VFS_CLOSE (sv_fraglogfile);
sv_fraglogfile = NULL;
return;
}
// find an unused name
for (i=0 ; i<1000 ; i++)
{
sprintf (name, "frag_%i.log", i);
sv_fraglogfile = FS_OpenVFS(name, "rb", FS_GAME);
if (!sv_fraglogfile)
{ // can't read it, so create this one
sv_fraglogfile = FS_OpenVFS (name, "wb", FS_GAME);
if (!sv_fraglogfile)
i=1000; // give error
break;
}
VFS_CLOSE (sv_fraglogfile);
}
if (i==1000)
{
Con_TPrintf (STL_FLOGGINGFAILED);
sv_fraglogfile = NULL;
return;
}
Con_TPrintf (STL_FLOGGINGTO, name);
}
*/
void Log_Init(void)
{
int i;
// register cvars
for (i = 0; i < LOG_TYPES; i++)
{
Cvar_Register (&log_enable[i], CONLOGGROUP);
Cvar_Register (&log_name[i], CONLOGGROUP);
}
Cvar_Register (&log_dir, CONLOGGROUP);
Cvar_Register (&log_readable, CONLOGGROUP);
Cvar_Register (&log_developer, CONLOGGROUP);
Cvar_Register (&log_rotate_size, CONLOGGROUP);
Cvar_Register (&log_rotate_files, CONLOGGROUP);
Cvar_Register (&log_dosformat, CONLOGGROUP);
Cmd_AddCommand("logfile", Log_Logfile_f);
// cmd line options, debug options
#ifdef CRAZYDEBUGGING
Cvar_ForceSet(&log_enable, "1");
TRACE(("dbg: Con_Init: log_enable forced\n"));
#endif
if (COM_CheckParm("-condebug"))
Cvar_ForceSet(&log_enable[LOG_CONSOLE], "1");
}