mirror of
git://xwords.git.sourceforge.net/gitroot/xwords/xwords
synced 2024-12-28 09:58:30 +01:00
6b3265ac47
to returing values for string keys so adding a new config doesn't mean modifying that class. Then add new config for addr passed to bind so relay can be run to accept http connections from remote machines.
145 lines
3.9 KiB
C++
145 lines
3.9 KiB
C++
/* -*-mode: C; fill-column: 78; c-basic-offset: 4; -*- */
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/*
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* Copyright 2005 by Eric House (xwords@eehouse.org). All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "configs.h"
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#define MAX_LINE 128
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RelayConfigs* RelayConfigs::instance = NULL;
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/* static */ RelayConfigs*
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RelayConfigs::GetConfigs()
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{
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return instance;
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}
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/* static */ void
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RelayConfigs::InitConfigs( const char* cfile )
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{
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assert( instance == NULL );
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instance = new RelayConfigs( cfile );
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}
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RelayConfigs::RelayConfigs( const char* cfile )
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{
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/* There's an order here. Open multiple files, if present. File in /etc
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is first, but overridden by local file which is in turn overridden by
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file passed in. */
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ino_t prev = parse( "/etc/xwrelay/xwrelay.conf", 0 );
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prev = parse( "./xwrelay.conf", prev );
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(void)parse( cfile, prev );
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} /* RelayConfigs::RelayConfigs */
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void
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RelayConfigs::GetPorts( std::vector<int>::const_iterator* iter,
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std::vector<int>::const_iterator* end)
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{
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*iter = m_ports.begin();
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*end = m_ports.end();
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}
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bool
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RelayConfigs::GetValueFor( const char* key, int* value )
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{
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map<string,string>::const_iterator iter = m_values.find(key);
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bool found = iter != m_values.end();
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if ( found ) {
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*value = atoi( iter->second.c_str() );
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}
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return found;
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}
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bool
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RelayConfigs::GetValueFor( const char* key, time_t* value )
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{
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int val;
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bool success = GetValueFor( key, &val );
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if ( success ) {
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*value = val;
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}
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return success;
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}
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bool
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RelayConfigs::GetValueFor( const char* key, char* buf, int len )
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{
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map<string,string>::const_iterator iter = m_values.find(key);
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bool found = iter != m_values.end();
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if ( found ) {
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snprintf( buf, len, "%s", iter->second.c_str() );
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}
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return found;
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}
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ino_t
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RelayConfigs::parse( const char* fname, ino_t prev )
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{
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ino_t inode = 0;
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if ( fname != NULL ) {
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struct stat sbuf;
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stat( fname, &sbuf );
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inode = sbuf.st_ino;
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if ( inode != prev ) {
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FILE* f = fopen( fname, "r" );
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if ( f != NULL ) {
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logf( XW_LOGINFO, "config: reading from %s", fname );
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char line[MAX_LINE];
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for ( ; ; ) {
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if ( !fgets( line, sizeof(line), f ) ) {
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break;
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}
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int len = strlen( line );
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if ( line[len-1] == '\n' ) {
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line[--len] = '\0';
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}
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if ( len == 0 || line[0] == '#' ) {
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continue;
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}
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char* value = strchr( line, '=' );
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if ( value == NULL ) {
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continue;
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}
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*value++ = '\0'; /* terminate "key" substring */
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m_values.insert( pair<string,string>
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(string(line),string(value) ) );
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if ( 0 == strcmp( line, "PORT" ) ) {
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m_ports.push_back( atoi( value ) );
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}
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}
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fclose( f );
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}
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}
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}
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return inode;
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} /* parse */
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