xwords/xwords4/relay/configs.cpp
ehouse 0291ec1e75 Turn on self-spawning: main loop should never crash but exists only to
respawn child when it does.  Add crash command to test this.  Add
ability to set logging level from ctrl port.
2007-11-10 05:41:49 +00:00

120 lines
3.7 KiB
C++

/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
/*
* Copyright 2005 by Eric House (xwords@eehouse.org). All rights reserved.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "configs.h"
#define MAX_LINE 128
#ifndef _HEARTBEAT
# define _HEARTBEAT 60
#endif
#ifndef _ALLCONN
# define _ALLCONN 120
#endif
RelayConfigs* RelayConfigs::instance = NULL;
/* static */ RelayConfigs*
RelayConfigs::GetConfigs()
{
return instance;
}
/* static */ void
RelayConfigs::InitConfigs( const char* cfile )
{
assert( instance == NULL );
instance = new RelayConfigs( cfile );
}
RelayConfigs::RelayConfigs( const char* cfile )
: m_allConnInterval(_ALLCONN)
, m_heartbeatInterval(_HEARTBEAT)
{
/* There's an order here. Open multiple files, if present. File in /etc
is first, but overridden by local file which is in turn overridden by
file passed in. */
parse( "/etc/xwrelay/xwrelay.conf" );
parse( "./xwrelay.conf" );
parse( cfile );
} /* RelayConfigs::RelayConfigs */
void
RelayConfigs::parse( const char* fname )
{
if ( fname != NULL ) {
FILE* f = fopen( fname, "r" );
if ( f != NULL ) {
logf( XW_LOGINFO, "config: reading from %s", fname );
char line[MAX_LINE];
for ( ; ; ) {
if ( !fgets( line, sizeof(line), f ) ) {
break;
}
int len = strlen( line );
if ( line[len-1] == '\n' ) {
line[--len] = '\0';
}
if ( len == 0 || line[0] == '#' ) {
continue;
}
char* value = strchr( line, '=' );
if ( value == NULL ) {
continue;
}
*value++ = '\0'; /* terminate "key" substring */
if ( 0 == strcmp( line, "HEARTBEAT" ) ) {
m_heartbeatInterval = atoi( value );
} else if ( 0 == strcmp( line, "ALLCONN" ) ) {
m_allConnInterval = atoi( value );
} else if ( 0 == strcmp( line, "CTLPORT" ) ) {
m_ctrlport = atoi( value );
} else if ( 0 == strcmp( line, "PORT" ) ) {
m_port = atoi( value );
} else if ( 0 == strcmp( line, "NTHREADS" ) ) {
m_nWorkerThreads = atoi( value );
} else if ( 0 == strcmp( line, "SERVERNAME" ) ) {
m_serverName = value;
} else if ( 0 == strcmp( line, "IDFILE" ) ) {
m_idFileName = value;
} else if ( 0 == strcmp( line, "LOGLEVEL" ) ) {
m_logLevel = atoi(value);
} else {
logf( XW_LOGERROR, "unknown key %s with value %s\n",
line, value );
assert( 0 );
}
}
fclose( f );
}
}
} /* parse */