mirror of
https://github.com/transmission/transmission
synced 2024-12-26 01:27:28 +00:00
fbc7f3dc3c
It looks like the Mac client is already doing this and it's clearly the trend in other apps as well. Even apt-get is using kB/s, ferchrissake... :) Flame away.
568 lines
20 KiB
C
568 lines
20 KiB
C
/*
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* This file Copyright (C) Mnemosyne LLC
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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*
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* $Id$
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*/
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#include <errno.h>
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#include <stdio.h> /* printf */
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#include <stdlib.h> /* exit, atoi */
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#include <fcntl.h> /* open */
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#include <signal.h>
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#ifdef HAVE_SYSLOG
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#include <syslog.h>
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#endif
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#include <unistd.h> /* daemon */
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#include <event2/buffer.h>
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#include <libtransmission/transmission.h>
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#include <libtransmission/bencode.h>
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#include <libtransmission/tr-getopt.h>
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#include <libtransmission/utils.h>
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#include <libtransmission/version.h>
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#include "watch.h"
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#define MY_NAME "transmission-daemon"
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#define PREF_KEY_DIR_WATCH "watch-dir"
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#define PREF_KEY_DIR_WATCH_ENABLED "watch-dir-enabled"
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#define PREF_KEY_PIDFILE "pidfile"
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#define MEM_K 1024
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#define MEM_K_STR "KiB"
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#define MEM_M_STR "MiB"
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#define MEM_G_STR "GiB"
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#define MEM_T_STR "TiB"
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#define DISK_K 1000
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#define DISK_B_STR "B"
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#define DISK_K_STR "kB"
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#define DISK_M_STR "MB"
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#define DISK_G_STR "GB"
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#define DISK_T_STR "TB"
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#define SPEED_K 1000
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#define SPEED_B_STR "B/s"
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#define SPEED_K_STR "kB/s"
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#define SPEED_M_STR "MB/s"
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#define SPEED_G_STR "GB/s"
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#define SPEED_T_STR "TB/s"
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static bool paused = false;
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static bool closing = false;
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static tr_session * mySession = NULL;
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/***
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**** Config File
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***/
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static const char *
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getUsage( void )
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{
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return "Transmission " LONG_VERSION_STRING
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" http://www.transmissionbt.com/\n"
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"A fast and easy BitTorrent client\n"
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"\n"
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MY_NAME " is a headless Transmission session\n"
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"that can be controlled via transmission-remote\n"
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"or the web interface.\n"
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"\n"
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"Usage: " MY_NAME " [options]";
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}
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static const struct tr_option options[] =
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{
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{ 'a', "allowed", "Allowed IP addresses. (Default: " TR_DEFAULT_RPC_WHITELIST ")", "a", 1, "<list>" },
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{ 'b', "blocklist", "Enable peer blocklists", "b", 0, NULL },
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{ 'B', "no-blocklist", "Disable peer blocklists", "B", 0, NULL },
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{ 'c', "watch-dir", "Where to watch for new .torrent files", "c", 1, "<directory>" },
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{ 'C', "no-watch-dir", "Disable the watch-dir", "C", 0, NULL },
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{ 941, "incomplete-dir", "Where to store new torrents until they're complete", NULL, 1, "<directory>" },
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{ 942, "no-incomplete-dir", "Don't store incomplete torrents in a different location", NULL, 0, NULL },
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{ 'd', "dump-settings", "Dump the settings and exit", "d", 0, NULL },
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{ 'e', "logfile", "Dump the log messages to this filename", "e", 1, "<filename>" },
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{ 'f', "foreground", "Run in the foreground instead of daemonizing", "f", 0, NULL },
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{ 'g', "config-dir", "Where to look for configuration files", "g", 1, "<path>" },
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{ 'p', "port", "RPC port (Default: " TR_DEFAULT_RPC_PORT_STR ")", "p", 1, "<port>" },
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{ 't', "auth", "Require authentication", "t", 0, NULL },
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{ 'T', "no-auth", "Don't require authentication", "T", 0, NULL },
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{ 'u', "username", "Set username for authentication", "u", 1, "<username>" },
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{ 'v', "password", "Set password for authentication", "v", 1, "<password>" },
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{ 'V', "version", "Show version number and exit", "V", 0, NULL },
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{ 810, "log-error", "Show error messages", NULL, 0, NULL },
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{ 811, "log-info", "Show error and info messages", NULL, 0, NULL },
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{ 812, "log-debug", "Show error, info, and debug messages", NULL, 0, NULL },
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{ 'w', "download-dir", "Where to save downloaded data", "w", 1, "<path>" },
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{ 800, "paused", "Pause all torrents on startup", NULL, 0, NULL },
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{ 'o', "dht", "Enable distributed hash tables (DHT)", "o", 0, NULL },
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{ 'O', "no-dht", "Disable distributed hash tables (DHT)", "O", 0, NULL },
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{ 'y', "lpd", "Enable local peer discovery (LPD)", "y", 0, NULL },
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{ 'Y', "no-lpd", "Disable local peer discovery (LPD)", "Y", 0, NULL },
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{ 830, "utp", "Enable uTP for peer connections", NULL, 0, NULL },
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{ 831, "no-utp", "Disable uTP for peer connections", NULL, 0, NULL },
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{ 'P', "peerport", "Port for incoming peers (Default: " TR_DEFAULT_PEER_PORT_STR ")", "P", 1, "<port>" },
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{ 'm', "portmap", "Enable portmapping via NAT-PMP or UPnP", "m", 0, NULL },
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{ 'M', "no-portmap", "Disable portmapping", "M", 0, NULL },
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{ 'L', "peerlimit-global", "Maximum overall number of peers (Default: " TR_DEFAULT_PEER_LIMIT_GLOBAL_STR ")", "L", 1, "<limit>" },
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{ 'l', "peerlimit-torrent", "Maximum number of peers per torrent (Default: " TR_DEFAULT_PEER_LIMIT_TORRENT_STR ")", "l", 1, "<limit>" },
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{ 910, "encryption-required", "Encrypt all peer connections", "er", 0, NULL },
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{ 911, "encryption-preferred", "Prefer encrypted peer connections", "ep", 0, NULL },
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{ 912, "encryption-tolerated", "Prefer unencrypted peer connections", "et", 0, NULL },
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{ 'i', "bind-address-ipv4", "Where to listen for peer connections", "i", 1, "<ipv4 addr>" },
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{ 'I', "bind-address-ipv6", "Where to listen for peer connections", "I", 1, "<ipv6 addr>" },
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{ 'r', "rpc-bind-address", "Where to listen for RPC connections", "r", 1, "<ipv4 addr>" },
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{ 953, "global-seedratio", "All torrents, unless overridden by a per-torrent setting, should seed until a specific ratio", "gsr", 1, "ratio" },
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{ 954, "no-global-seedratio", "All torrents, unless overridden by a per-torrent setting, should seed regardless of ratio", "GSR", 0, NULL },
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{ 'x', "pid-file", "Enable PID file", "x", 1, "<pid-file>" },
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{ 0, NULL, NULL, NULL, 0, NULL }
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};
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static void
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showUsage( void )
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{
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tr_getopt_usage( MY_NAME, getUsage( ), options );
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exit( 0 );
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}
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static void
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gotsig( int sig )
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{
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switch( sig )
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{
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case SIGHUP:
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{
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tr_benc settings;
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const char * configDir = tr_sessionGetConfigDir( mySession );
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tr_inf( "Reloading settings from \"%s\"", configDir );
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tr_bencInitDict( &settings, 0 );
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tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_ENABLED, true );
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tr_sessionLoadSettings( &settings, configDir, MY_NAME );
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tr_sessionSet( mySession, &settings );
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tr_bencFree( &settings );
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tr_sessionReloadBlocklists( mySession );
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break;
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}
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default:
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closing = true;
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break;
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}
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}
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#if defined(WIN32)
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#define USE_NO_DAEMON
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#elif !defined(HAVE_DAEMON) || defined(__UCLIBC__)
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#define USE_TR_DAEMON
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#else
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#define USE_OS_DAEMON
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#endif
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static int
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tr_daemon( int nochdir, int noclose )
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{
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#if defined(USE_OS_DAEMON)
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return daemon( nochdir, noclose );
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#elif defined(USE_TR_DAEMON)
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/* this is loosely based off of glibc's daemon() implementation
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* http://sourceware.org/git/?p=glibc.git;a=blob_plain;f=misc/daemon.c */
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switch( fork( ) ) {
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case -1: return -1;
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case 0: break;
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default: _exit(0);
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}
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if( setsid( ) == -1 )
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return -1;
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if( !nochdir )
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chdir( "/" );
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if( !noclose ) {
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int fd = open( "/dev/null", O_RDWR, 0 );
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dup2( fd, STDIN_FILENO );
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dup2( fd, STDOUT_FILENO );
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dup2( fd, STDERR_FILENO );
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close( fd );
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}
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return 0;
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#else /* USE_NO_DAEMON */
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return 0;
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#endif
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}
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static const char*
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getConfigDir( int argc, const char ** argv )
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{
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int c;
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const char * configDir = NULL;
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const char * optarg;
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const int ind = tr_optind;
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while(( c = tr_getopt( getUsage( ), argc, argv, options, &optarg ))) {
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if( c == 'g' ) {
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configDir = optarg;
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break;
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}
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}
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tr_optind = ind;
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if( configDir == NULL )
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configDir = tr_getDefaultConfigDir( MY_NAME );
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return configDir;
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}
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static void
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onFileAdded( tr_session * session, const char * dir, const char * file )
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{
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char * filename = tr_buildPath( dir, file, NULL );
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tr_ctor * ctor = tr_ctorNew( session );
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int err = tr_ctorSetMetainfoFromFile( ctor, filename );
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if( !err )
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{
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tr_torrentNew( ctor, &err );
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if( err == TR_PARSE_ERR )
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tr_err( "Error parsing .torrent file \"%s\"", file );
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else
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{
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bool trash = false;
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int test = tr_ctorGetDeleteSource( ctor, &trash );
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tr_inf( "Parsing .torrent file successful \"%s\"", file );
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if( !test && trash )
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{
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tr_inf( "Deleting input .torrent file \"%s\"", file );
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if( remove( filename ) )
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tr_err( "Error deleting .torrent file: %s", tr_strerror( errno ) );
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}
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else
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{
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char * new_filename = tr_strdup_printf( "%s.added", filename );
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rename( filename, new_filename );
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tr_free( new_filename );
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}
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}
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}
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tr_ctorFree( ctor );
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tr_free( filename );
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}
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static void
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printMessage( FILE * logfile, int level, const char * name, const char * message, const char * file, int line )
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{
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if( logfile != NULL )
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{
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char timestr[64];
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tr_getLogTimeStr( timestr, sizeof( timestr ) );
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if( name )
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fprintf( logfile, "[%s] %s %s (%s:%d)\n", timestr, name, message, file, line );
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else
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fprintf( logfile, "[%s] %s (%s:%d)\n", timestr, message, file, line );
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}
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#ifdef HAVE_SYSLOG
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else /* daemon... write to syslog */
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{
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int priority;
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/* figure out the syslog priority */
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switch( level ) {
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case TR_MSG_ERR: priority = LOG_ERR; break;
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case TR_MSG_DBG: priority = LOG_DEBUG; break;
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default: priority = LOG_INFO; break;
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}
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if( name )
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syslog( priority, "%s %s (%s:%d)", name, message, file, line );
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else
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syslog( priority, "%s (%s:%d)", message, file, line );
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}
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#endif
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}
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static void
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pumpLogMessages( FILE * logfile )
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{
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const tr_msg_list * l;
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tr_msg_list * list = tr_getQueuedMessages( );
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for( l=list; l!=NULL; l=l->next )
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printMessage( logfile, l->level, l->name, l->message, l->file, l->line );
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if( logfile != NULL )
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fflush( logfile );
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tr_freeMessageList( list );
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}
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static tr_rpc_callback_status
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on_rpc_callback( tr_session * session UNUSED,
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tr_rpc_callback_type type,
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struct tr_torrent * tor UNUSED,
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void * user_data UNUSED )
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{
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if( type == TR_RPC_SESSION_CLOSE )
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closing = true;
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return TR_RPC_OK;
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}
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int
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main( int argc, char ** argv )
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{
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int c;
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const char * optarg;
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tr_benc settings;
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bool boolVal;
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bool loaded;
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bool foreground = false;
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bool dumpSettings = false;
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const char * configDir = NULL;
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const char * pid_filename;
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dtr_watchdir * watchdir = NULL;
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FILE * logfile = NULL;
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bool pidfile_created = false;
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signal( SIGINT, gotsig );
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signal( SIGTERM, gotsig );
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#ifndef WIN32
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signal( SIGHUP, gotsig );
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#endif
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/* load settings from defaults + config file */
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tr_bencInitDict( &settings, 0 );
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tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_ENABLED, true );
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configDir = getConfigDir( argc, (const char**)argv );
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loaded = tr_sessionLoadSettings( &settings, configDir, MY_NAME );
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/* overwrite settings from the comamndline */
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tr_optind = 1;
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while(( c = tr_getopt( getUsage(), argc, (const char**)argv, options, &optarg ))) {
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switch( c ) {
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case 'a': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_WHITELIST, optarg );
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tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_WHITELIST_ENABLED, true );
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break;
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case 'b': tr_bencDictAddBool( &settings, TR_PREFS_KEY_BLOCKLIST_ENABLED, true );
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break;
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case 'B': tr_bencDictAddBool( &settings, TR_PREFS_KEY_BLOCKLIST_ENABLED, false );
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break;
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case 'c': tr_bencDictAddStr( &settings, PREF_KEY_DIR_WATCH, optarg );
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tr_bencDictAddBool( &settings, PREF_KEY_DIR_WATCH_ENABLED, true );
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break;
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case 'C': tr_bencDictAddBool( &settings, PREF_KEY_DIR_WATCH_ENABLED, false );
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break;
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case 941: tr_bencDictAddStr( &settings, TR_PREFS_KEY_INCOMPLETE_DIR, optarg );
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tr_bencDictAddBool( &settings, TR_PREFS_KEY_INCOMPLETE_DIR_ENABLED, true );
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break;
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case 942: tr_bencDictAddBool( &settings, TR_PREFS_KEY_INCOMPLETE_DIR_ENABLED, false );
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break;
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case 'd': dumpSettings = true;
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break;
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case 'e': logfile = fopen( optarg, "a+" );
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if( logfile == NULL )
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fprintf( stderr, "Couldn't open \"%s\": %s\n", optarg, tr_strerror( errno ) );
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break;
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case 'f': foreground = true;
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break;
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case 'g': /* handled above */
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break;
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case 'V': /* version */
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fprintf(stderr, "%s %s\n", MY_NAME, LONG_VERSION_STRING);
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exit( 0 );
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case 'o': tr_bencDictAddBool( &settings, TR_PREFS_KEY_DHT_ENABLED, true );
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break;
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case 'O': tr_bencDictAddBool( &settings, TR_PREFS_KEY_DHT_ENABLED, false );
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break;
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case 'p': tr_bencDictAddInt( &settings, TR_PREFS_KEY_RPC_PORT, atoi( optarg ) );
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break;
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case 't': tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_AUTH_REQUIRED, true );
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break;
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case 'T': tr_bencDictAddBool( &settings, TR_PREFS_KEY_RPC_AUTH_REQUIRED, false );
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break;
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case 'u': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_USERNAME, optarg );
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break;
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case 'v': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_PASSWORD, optarg );
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break;
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case 'w': tr_bencDictAddStr( &settings, TR_PREFS_KEY_DOWNLOAD_DIR, optarg );
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break;
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case 'P': tr_bencDictAddInt( &settings, TR_PREFS_KEY_PEER_PORT, atoi( optarg ) );
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break;
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case 'm': tr_bencDictAddBool( &settings, TR_PREFS_KEY_PORT_FORWARDING, true );
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break;
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case 'M': tr_bencDictAddBool( &settings, TR_PREFS_KEY_PORT_FORWARDING, false );
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break;
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case 'L': tr_bencDictAddInt( &settings, TR_PREFS_KEY_PEER_LIMIT_GLOBAL, atoi( optarg ) );
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break;
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case 'l': tr_bencDictAddInt( &settings, TR_PREFS_KEY_PEER_LIMIT_TORRENT, atoi( optarg ) );
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break;
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case 800: paused = true;
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break;
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case 910: tr_bencDictAddInt( &settings, TR_PREFS_KEY_ENCRYPTION, TR_ENCRYPTION_REQUIRED );
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break;
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case 911: tr_bencDictAddInt( &settings, TR_PREFS_KEY_ENCRYPTION, TR_ENCRYPTION_PREFERRED );
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break;
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case 912: tr_bencDictAddInt( &settings, TR_PREFS_KEY_ENCRYPTION, TR_CLEAR_PREFERRED );
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break;
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case 'i': tr_bencDictAddStr( &settings, TR_PREFS_KEY_BIND_ADDRESS_IPV4, optarg );
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break;
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case 'I': tr_bencDictAddStr( &settings, TR_PREFS_KEY_BIND_ADDRESS_IPV6, optarg );
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break;
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case 'r': tr_bencDictAddStr( &settings, TR_PREFS_KEY_RPC_BIND_ADDRESS, optarg );
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break;
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case 953: tr_bencDictAddReal( &settings, TR_PREFS_KEY_RATIO, atof(optarg) );
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tr_bencDictAddBool( &settings, TR_PREFS_KEY_RATIO_ENABLED, true );
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break;
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case 954: tr_bencDictAddBool( &settings, TR_PREFS_KEY_RATIO_ENABLED, false );
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break;
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case 'x': tr_bencDictAddStr( &settings, PREF_KEY_PIDFILE, optarg );
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break;
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case 'y': tr_bencDictAddBool( &settings, TR_PREFS_KEY_LPD_ENABLED, true );
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break;
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case 'Y': tr_bencDictAddBool( &settings, TR_PREFS_KEY_LPD_ENABLED, false );
|
|
break;
|
|
case 810: tr_bencDictAddInt( &settings, TR_PREFS_KEY_MSGLEVEL, TR_MSG_ERR );
|
|
break;
|
|
case 811: tr_bencDictAddInt( &settings, TR_PREFS_KEY_MSGLEVEL, TR_MSG_INF );
|
|
break;
|
|
case 812: tr_bencDictAddInt( &settings, TR_PREFS_KEY_MSGLEVEL, TR_MSG_DBG );
|
|
break;
|
|
case 830: tr_bencDictAddBool( &settings, TR_PREFS_KEY_UTP_ENABLED, true );
|
|
break;
|
|
case 831: tr_bencDictAddBool( &settings, TR_PREFS_KEY_UTP_ENABLED, false );
|
|
break;
|
|
default: showUsage( );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( foreground && !logfile )
|
|
logfile = stderr;
|
|
|
|
if( !loaded )
|
|
{
|
|
printMessage( logfile, TR_MSG_ERR, MY_NAME, "Error loading config file -- exiting.", __FILE__, __LINE__ );
|
|
return -1;
|
|
}
|
|
|
|
if( dumpSettings )
|
|
{
|
|
char * str = tr_bencToStr( &settings, TR_FMT_JSON, NULL );
|
|
fprintf( stderr, "%s", str );
|
|
tr_free( str );
|
|
return 0;
|
|
}
|
|
|
|
if( !foreground && tr_daemon( true, false ) < 0 )
|
|
{
|
|
char buf[256];
|
|
tr_snprintf( buf, sizeof( buf ), "Failed to daemonize: %s", tr_strerror( errno ) );
|
|
printMessage( logfile, TR_MSG_ERR, MY_NAME, buf, __FILE__, __LINE__ );
|
|
exit( 1 );
|
|
}
|
|
|
|
/* start the session */
|
|
tr_formatter_mem_init( MEM_K, MEM_K_STR, MEM_M_STR, MEM_G_STR, MEM_T_STR );
|
|
tr_formatter_size_init( DISK_K, DISK_K_STR, DISK_M_STR, DISK_G_STR, DISK_T_STR );
|
|
tr_formatter_speed_init( SPEED_K, SPEED_K_STR, SPEED_M_STR, SPEED_G_STR, SPEED_T_STR );
|
|
mySession = tr_sessionInit( "daemon", configDir, true, &settings );
|
|
tr_sessionSetRPCCallback( mySession, on_rpc_callback, NULL );
|
|
tr_ninf( NULL, "Using settings from \"%s\"", configDir );
|
|
tr_sessionSaveSettings( mySession, configDir, &settings );
|
|
|
|
pid_filename = NULL;
|
|
tr_bencDictFindStr( &settings, PREF_KEY_PIDFILE, &pid_filename );
|
|
if( pid_filename && *pid_filename )
|
|
{
|
|
FILE * fp = fopen( pid_filename, "w+" );
|
|
if( fp != NULL )
|
|
{
|
|
fprintf( fp, "%d", (int)getpid() );
|
|
fclose( fp );
|
|
tr_inf( "Saved pidfile \"%s\"", pid_filename );
|
|
pidfile_created = true;
|
|
}
|
|
else
|
|
tr_err( "Unable to save pidfile \"%s\": %s", pid_filename, tr_strerror( errno ) );
|
|
}
|
|
|
|
if( tr_bencDictFindBool( &settings, TR_PREFS_KEY_RPC_AUTH_REQUIRED, &boolVal ) && boolVal )
|
|
tr_ninf( MY_NAME, "requiring authentication" );
|
|
|
|
/* maybe add a watchdir */
|
|
{
|
|
const char * dir;
|
|
|
|
if( tr_bencDictFindBool( &settings, PREF_KEY_DIR_WATCH_ENABLED, &boolVal )
|
|
&& boolVal
|
|
&& tr_bencDictFindStr( &settings, PREF_KEY_DIR_WATCH, &dir )
|
|
&& dir
|
|
&& *dir )
|
|
{
|
|
tr_inf( "Watching \"%s\" for new .torrent files", dir );
|
|
watchdir = dtr_watchdir_new( mySession, dir, onFileAdded );
|
|
}
|
|
}
|
|
|
|
/* load the torrents */
|
|
{
|
|
tr_torrent ** torrents;
|
|
tr_ctor * ctor = tr_ctorNew( mySession );
|
|
if( paused )
|
|
tr_ctorSetPaused( ctor, TR_FORCE, true );
|
|
torrents = tr_sessionLoadTorrents( mySession, ctor, NULL );
|
|
tr_free( torrents );
|
|
tr_ctorFree( ctor );
|
|
}
|
|
|
|
#ifdef HAVE_SYSLOG
|
|
if( !foreground )
|
|
openlog( MY_NAME, LOG_CONS|LOG_PID, LOG_DAEMON );
|
|
#endif
|
|
|
|
while( !closing ) {
|
|
tr_wait_msec( 1000 ); /* sleep one second */
|
|
dtr_watchdir_update( watchdir );
|
|
pumpLogMessages( logfile );
|
|
}
|
|
|
|
printf( "Closing transmission session..." );
|
|
tr_sessionSaveSettings( mySession, configDir, &settings );
|
|
dtr_watchdir_free( watchdir );
|
|
tr_sessionClose( mySession );
|
|
pumpLogMessages( logfile );
|
|
printf( " done.\n" );
|
|
|
|
/* shutdown */
|
|
#if HAVE_SYSLOG
|
|
if( !foreground )
|
|
{
|
|
syslog( LOG_INFO, "%s", "Closing session" );
|
|
closelog( );
|
|
}
|
|
#endif
|
|
|
|
/* cleanup */
|
|
if( pidfile_created )
|
|
remove( pid_filename );
|
|
tr_bencFree( &settings );
|
|
return 0;
|
|
}
|