mirror of
https://github.com/transmission/transmission
synced 2024-12-23 08:13:27 +00:00
1ee88c019f
* refactor: compile daemon/ and utils/ as C++ Co-authored-by: Mike Gelfand <mikedld@mikedld.com>
926 lines
25 KiB
C++
926 lines
25 KiB
C++
/*
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* This file Copyright (C) 2008-2014 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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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> /* atoi */
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#ifdef HAVE_SYSLOG
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#include <syslog.h>
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#endif
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#ifdef _WIN32
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#include <process.h> /* getpid */
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#else
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#include <unistd.h> /* getpid */
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#endif
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#include <event2/event.h>
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#include <libtransmission/transmission.h>
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#include <libtransmission/error.h>
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#include <libtransmission/file.h>
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#include <libtransmission/tr-getopt.h>
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#include <libtransmission/tr-macros.h>
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#include <libtransmission/log.h>
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#include <libtransmission/utils.h>
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#include <libtransmission/variant.h>
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#include <libtransmission/version.h>
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#include <libtransmission/watchdir.h>
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#ifdef USE_SYSTEMD
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#include <systemd/sd-daemon.h>
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#else
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static void sd_notify(int status, char const* str)
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{
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TR_UNUSED(status);
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TR_UNUSED(str);
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}
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static void sd_notifyf(int status, char const* fmt, ...)
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{
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TR_UNUSED(status);
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TR_UNUSED(fmt);
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}
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#endif
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#include "daemon.h"
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#define MY_NAME "transmission-daemon"
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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 seenHUP = false;
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static char const* logfileName = NULL;
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static tr_sys_file_t logfile = TR_BAD_SYS_FILE;
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static tr_session* mySession = NULL;
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static tr_quark key_pidfile = 0;
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static tr_quark key_watch_dir_force_generic = 0;
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static struct event_base* ev_base = NULL;
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/***
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**** Config File
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***/
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static char const* getUsage(void)
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{
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// clang-format off
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return
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"Transmission " LONG_VERSION_STRING " https://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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// clang-format on
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}
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static struct tr_option const options[] = {
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{ 'a', "allowed", "Allowed IP addresses. (Default: " TR_DEFAULT_RPC_WHITELIST ")", "a", true, "<list>" },
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{ 'b', "blocklist", "Enable peer blocklists", "b", false, NULL },
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{ 'B', "no-blocklist", "Disable peer blocklists", "B", false, NULL },
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{ 'c', "watch-dir", "Where to watch for new .torrent files", "c", true, "<directory>" },
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{ 'C', "no-watch-dir", "Disable the watch-dir", "C", false, NULL },
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{ 941, "incomplete-dir", "Where to store new torrents until they're complete", NULL, true, "<directory>" },
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{ 942, "no-incomplete-dir", "Don't store incomplete torrents in a different location", NULL, false, NULL },
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{ 'd', "dump-settings", "Dump the settings and exit", "d", false, NULL },
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{ 'e', "logfile", "Dump the log messages to this filename", "e", true, "<filename>" },
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{ 'f', "foreground", "Run in the foreground instead of daemonizing", "f", false, NULL },
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{ 'g', "config-dir", "Where to look for configuration files", "g", true, "<path>" },
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{ 'p', "port", "RPC port (Default: " TR_DEFAULT_RPC_PORT_STR ")", "p", true, "<port>" },
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{ 't', "auth", "Require authentication", "t", false, NULL },
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{ 'T', "no-auth", "Don't require authentication", "T", false, NULL },
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{ 'u', "username", "Set username for authentication", "u", true, "<username>" },
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{ 'v', "password", "Set password for authentication", "v", true, "<password>" },
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{ 'V', "version", "Show version number and exit", "V", false, NULL },
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{ 810, "log-error", "Show error messages", NULL, false, NULL },
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{ 811, "log-info", "Show error and info messages", NULL, false, NULL },
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{ 812, "log-debug", "Show error, info, and debug messages", NULL, false, NULL },
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{ 'w', "download-dir", "Where to save downloaded data", "w", true, "<path>" },
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{ 800, "paused", "Pause all torrents on startup", NULL, false, NULL },
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{ 'o', "dht", "Enable distributed hash tables (DHT)", "o", false, NULL },
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{ 'O', "no-dht", "Disable distributed hash tables (DHT)", "O", false, NULL },
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{ 'y', "lpd", "Enable local peer discovery (LPD)", "y", false, NULL },
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{ 'Y', "no-lpd", "Disable local peer discovery (LPD)", "Y", false, NULL },
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{ 830, "utp", "Enable uTP for peer connections", NULL, false, NULL },
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{ 831, "no-utp", "Disable uTP for peer connections", NULL, false, NULL },
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{ 'P', "peerport", "Port for incoming peers (Default: " TR_DEFAULT_PEER_PORT_STR ")", "P", true, "<port>" },
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{ 'm', "portmap", "Enable portmapping via NAT-PMP or UPnP", "m", false, NULL },
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{ 'M', "no-portmap", "Disable portmapping", "M", false, NULL },
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{ 'L',
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"peerlimit-global",
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"Maximum overall number of peers (Default: " TR_DEFAULT_PEER_LIMIT_GLOBAL_STR ")",
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"L",
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true,
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"<limit>" },
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{ 'l',
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"peerlimit-torrent",
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"Maximum number of peers per torrent (Default: " TR_DEFAULT_PEER_LIMIT_TORRENT_STR ")",
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"l",
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true,
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"<limit>" },
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{ 910, "encryption-required", "Encrypt all peer connections", "er", false, NULL },
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{ 911, "encryption-preferred", "Prefer encrypted peer connections", "ep", false, NULL },
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{ 912, "encryption-tolerated", "Prefer unencrypted peer connections", "et", false, NULL },
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{ 'i', "bind-address-ipv4", "Where to listen for peer connections", "i", true, "<ipv4 addr>" },
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{ 'I', "bind-address-ipv6", "Where to listen for peer connections", "I", true, "<ipv6 addr>" },
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{ 'r', "rpc-bind-address", "Where to listen for RPC connections", "r", true, "<ip addr>" },
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{ 953,
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"global-seedratio",
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"All torrents, unless overridden by a per-torrent setting, should seed until a specific ratio",
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"gsr",
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true,
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"ratio" },
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{ 954,
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"no-global-seedratio",
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"All torrents, unless overridden by a per-torrent setting, should seed regardless of ratio",
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"GSR",
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false,
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NULL },
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{ 'x', "pid-file", "Enable PID file", "x", true, "<pid-file>" },
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{ 0, NULL, NULL, NULL, false, NULL }
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};
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static bool reopen_log_file(char const* filename)
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{
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tr_error* error = NULL;
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tr_sys_file_t const old_log_file = logfile;
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tr_sys_file_t const new_log_file = tr_sys_file_open(
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filename,
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TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE | TR_SYS_FILE_APPEND,
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0666,
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&error);
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if (new_log_file == TR_BAD_SYS_FILE)
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{
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fprintf(stderr, "Couldn't (re)open log file \"%s\": %s\n", filename, error->message);
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tr_error_free(error);
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return false;
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}
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logfile = new_log_file;
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if (old_log_file != TR_BAD_SYS_FILE)
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{
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tr_sys_file_close(old_log_file, NULL);
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}
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return true;
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}
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static char const* getConfigDir(int argc, char const* const* argv)
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{
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int c;
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char const* configDir = NULL;
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char const* optstr;
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int const ind = tr_optind;
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while ((c = tr_getopt(getUsage(), argc, argv, options, &optstr)) != TR_OPT_DONE)
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{
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if (c == 'g')
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{
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configDir = optstr;
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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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{
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configDir = tr_getDefaultConfigDir(MY_NAME);
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}
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return configDir;
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}
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static tr_watchdir_status onFileAdded(tr_watchdir_t dir, char const* name, void* vsession)
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{
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auto const* session = static_cast<tr_session const*>(vsession);
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if (!tr_str_has_suffix(name, ".torrent"))
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{
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return TR_WATCHDIR_IGNORE;
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}
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char* filename = tr_buildPath(tr_watchdir_get_path(dir), name, 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 == 0)
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{
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tr_torrentNew(ctor, &err, NULL);
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if (err == TR_PARSE_ERR)
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{
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tr_logAddError("Error parsing .torrent file \"%s\"", name);
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}
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else
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{
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bool trash = false;
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bool const test = tr_ctorGetDeleteSource(ctor, &trash);
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tr_logAddInfo("Parsing .torrent file successful \"%s\"", name);
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if (test && trash)
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{
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tr_error* error = NULL;
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tr_logAddInfo("Deleting input .torrent file \"%s\"", name);
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if (!tr_sys_path_remove(filename, &error))
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{
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tr_logAddError("Error deleting .torrent file: %s", error->message);
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tr_error_free(error);
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}
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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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tr_sys_path_rename(filename, new_filename, NULL);
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tr_free(new_filename);
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}
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}
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}
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else
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{
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err = TR_PARSE_ERR;
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}
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tr_ctorFree(ctor);
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tr_free(filename);
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return err == TR_PARSE_ERR ? TR_WATCHDIR_RETRY : TR_WATCHDIR_ACCEPT;
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}
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static void printMessage(tr_sys_file_t file, int level, char const* name, char const* message, char const* filename, int line)
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{
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if (file != TR_BAD_SYS_FILE)
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{
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char timestr[64];
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tr_logGetTimeStr(timestr, sizeof(timestr));
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if (name != NULL)
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{
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tr_sys_file_write_fmt(file, "[%s] %s %s (%s:%d)" TR_NATIVE_EOL_STR, NULL, timestr, name, message, filename, line);
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}
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else
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{
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tr_sys_file_write_fmt(file, "[%s] %s (%s:%d)" TR_NATIVE_EOL_STR, NULL, timestr, message, filename, line);
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}
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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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{
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case TR_LOG_ERROR:
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priority = LOG_ERR;
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break;
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case TR_LOG_DEBUG:
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priority = LOG_DEBUG;
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break;
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default:
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priority = LOG_INFO;
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break;
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}
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if (name != NULL)
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{
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syslog(priority, "%s %s (%s:%d)", name, message, filename, line);
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}
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else
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{
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syslog(priority, "%s (%s:%d)", message, filename, line);
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}
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}
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#else
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TR_UNUSED(level);
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#endif
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}
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static void pumpLogMessages(tr_sys_file_t file)
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{
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tr_log_message* list = tr_logGetQueue();
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for (tr_log_message const* l = list; l != NULL; l = l->next)
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{
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printMessage(file, l->level, l->name, l->message, l->file, l->line);
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}
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if (file != TR_BAD_SYS_FILE)
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{
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tr_sys_file_flush(file, NULL);
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}
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tr_logFreeQueue(list);
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}
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static void reportStatus(void)
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{
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double const up = tr_sessionGetRawSpeed_KBps(mySession, TR_UP);
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double const dn = tr_sessionGetRawSpeed_KBps(mySession, TR_DOWN);
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if (up > 0 || dn > 0)
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{
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sd_notifyf(0, "STATUS=Uploading %.2f KBps, Downloading %.2f KBps.\n", up, dn);
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}
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else
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{
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sd_notify(0, "STATUS=Idle.\n");
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}
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}
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static void periodicUpdate(evutil_socket_t fd, short what, void* context)
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{
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TR_UNUSED(fd);
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TR_UNUSED(what);
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TR_UNUSED(context);
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pumpLogMessages(logfile);
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reportStatus();
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}
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static tr_rpc_callback_status on_rpc_callback(
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tr_session* session,
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tr_rpc_callback_type type,
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struct tr_torrent* tor,
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void* user_data)
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{
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TR_UNUSED(session);
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TR_UNUSED(tor);
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TR_UNUSED(user_data);
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if (type == TR_RPC_SESSION_CLOSE)
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{
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event_base_loopexit(ev_base, NULL);
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}
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return TR_RPC_OK;
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}
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static bool parse_args(
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int argc,
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char const** argv,
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tr_variant* settings,
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bool* paused,
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bool* dump_settings,
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bool* foreground,
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int* exit_code)
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{
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int c;
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char const* optstr;
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*paused = false;
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*dump_settings = false;
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*foreground = false;
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tr_optind = 1;
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while ((c = tr_getopt(getUsage(), argc, argv, options, &optstr)) != TR_OPT_DONE)
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{
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switch (c)
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{
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case 'a':
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tr_variantDictAddStr(settings, TR_KEY_rpc_whitelist, optstr);
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tr_variantDictAddBool(settings, TR_KEY_rpc_whitelist_enabled, true);
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break;
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case 'b':
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tr_variantDictAddBool(settings, TR_KEY_blocklist_enabled, true);
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break;
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case 'B':
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tr_variantDictAddBool(settings, TR_KEY_blocklist_enabled, false);
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break;
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case 'c':
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tr_variantDictAddStr(settings, TR_KEY_watch_dir, optstr);
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tr_variantDictAddBool(settings, TR_KEY_watch_dir_enabled, true);
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break;
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case 'C':
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tr_variantDictAddBool(settings, TR_KEY_watch_dir_enabled, false);
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break;
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case 941:
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tr_variantDictAddStr(settings, TR_KEY_incomplete_dir, optstr);
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tr_variantDictAddBool(settings, TR_KEY_incomplete_dir_enabled, true);
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break;
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case 942:
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tr_variantDictAddBool(settings, TR_KEY_incomplete_dir_enabled, false);
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break;
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case 'd':
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*dump_settings = true;
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break;
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case 'e':
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if (reopen_log_file(optstr))
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{
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logfileName = optstr;
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}
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break;
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case 'f':
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*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_code = 0;
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return false;
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case 'o':
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tr_variantDictAddBool(settings, TR_KEY_dht_enabled, true);
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break;
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case 'O':
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tr_variantDictAddBool(settings, TR_KEY_dht_enabled, false);
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break;
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case 'p':
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tr_variantDictAddInt(settings, TR_KEY_rpc_port, atoi(optstr));
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break;
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case 't':
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tr_variantDictAddBool(settings, TR_KEY_rpc_authentication_required, true);
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break;
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case 'T':
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tr_variantDictAddBool(settings, TR_KEY_rpc_authentication_required, false);
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break;
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case 'u':
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tr_variantDictAddStr(settings, TR_KEY_rpc_username, optstr);
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break;
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case 'v':
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tr_variantDictAddStr(settings, TR_KEY_rpc_password, optstr);
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break;
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case 'w':
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tr_variantDictAddStr(settings, TR_KEY_download_dir, optstr);
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break;
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case 'P':
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tr_variantDictAddInt(settings, TR_KEY_peer_port, atoi(optstr));
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break;
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case 'm':
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tr_variantDictAddBool(settings, TR_KEY_port_forwarding_enabled, true);
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break;
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case 'M':
|
|
tr_variantDictAddBool(settings, TR_KEY_port_forwarding_enabled, false);
|
|
break;
|
|
|
|
case 'L':
|
|
tr_variantDictAddInt(settings, TR_KEY_peer_limit_global, atoi(optstr));
|
|
break;
|
|
|
|
case 'l':
|
|
tr_variantDictAddInt(settings, TR_KEY_peer_limit_per_torrent, atoi(optstr));
|
|
break;
|
|
|
|
case 800:
|
|
*paused = true;
|
|
break;
|
|
|
|
case 910:
|
|
tr_variantDictAddInt(settings, TR_KEY_encryption, TR_ENCRYPTION_REQUIRED);
|
|
break;
|
|
|
|
case 911:
|
|
tr_variantDictAddInt(settings, TR_KEY_encryption, TR_ENCRYPTION_PREFERRED);
|
|
break;
|
|
|
|
case 912:
|
|
tr_variantDictAddInt(settings, TR_KEY_encryption, TR_CLEAR_PREFERRED);
|
|
break;
|
|
|
|
case 'i':
|
|
tr_variantDictAddStr(settings, TR_KEY_bind_address_ipv4, optstr);
|
|
break;
|
|
|
|
case 'I':
|
|
tr_variantDictAddStr(settings, TR_KEY_bind_address_ipv6, optstr);
|
|
break;
|
|
|
|
case 'r':
|
|
tr_variantDictAddStr(settings, TR_KEY_rpc_bind_address, optstr);
|
|
break;
|
|
|
|
case 953:
|
|
tr_variantDictAddReal(settings, TR_KEY_ratio_limit, atof(optstr));
|
|
tr_variantDictAddBool(settings, TR_KEY_ratio_limit_enabled, true);
|
|
break;
|
|
|
|
case 954:
|
|
tr_variantDictAddBool(settings, TR_KEY_ratio_limit_enabled, false);
|
|
break;
|
|
|
|
case 'x':
|
|
tr_variantDictAddStr(settings, key_pidfile, optstr);
|
|
break;
|
|
|
|
case 'y':
|
|
tr_variantDictAddBool(settings, TR_KEY_lpd_enabled, true);
|
|
break;
|
|
|
|
case 'Y':
|
|
tr_variantDictAddBool(settings, TR_KEY_lpd_enabled, false);
|
|
break;
|
|
|
|
case 810:
|
|
tr_variantDictAddInt(settings, TR_KEY_message_level, TR_LOG_ERROR);
|
|
break;
|
|
|
|
case 811:
|
|
tr_variantDictAddInt(settings, TR_KEY_message_level, TR_LOG_INFO);
|
|
break;
|
|
|
|
case 812:
|
|
tr_variantDictAddInt(settings, TR_KEY_message_level, TR_LOG_DEBUG);
|
|
break;
|
|
|
|
case 830:
|
|
tr_variantDictAddBool(settings, TR_KEY_utp_enabled, true);
|
|
break;
|
|
|
|
case 831:
|
|
tr_variantDictAddBool(settings, TR_KEY_utp_enabled, false);
|
|
break;
|
|
|
|
default:
|
|
tr_getopt_usage(MY_NAME, getUsage(), options);
|
|
*exit_code = 0;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
struct daemon_data
|
|
{
|
|
tr_variant settings;
|
|
char const* configDir;
|
|
bool paused;
|
|
};
|
|
|
|
static void daemon_reconfigure(void* arg)
|
|
{
|
|
TR_UNUSED(arg);
|
|
|
|
if (mySession == NULL)
|
|
{
|
|
tr_logAddInfo("Deferring reload until session is fully started.");
|
|
seenHUP = true;
|
|
}
|
|
else
|
|
{
|
|
tr_variant settings;
|
|
char const* configDir;
|
|
|
|
/* reopen the logfile to allow for log rotation */
|
|
if (logfileName != NULL)
|
|
{
|
|
reopen_log_file(logfileName);
|
|
}
|
|
|
|
configDir = tr_sessionGetConfigDir(mySession);
|
|
tr_logAddInfo("Reloading settings from \"%s\"", configDir);
|
|
tr_variantInitDict(&settings, 0);
|
|
tr_variantDictAddBool(&settings, TR_KEY_rpc_enabled, true);
|
|
tr_sessionLoadSettings(&settings, configDir, MY_NAME);
|
|
tr_sessionSet(mySession, &settings);
|
|
tr_variantFree(&settings);
|
|
tr_sessionReloadBlocklists(mySession);
|
|
}
|
|
}
|
|
|
|
static void daemon_stop(void* arg)
|
|
{
|
|
TR_UNUSED(arg);
|
|
|
|
event_base_loopexit(ev_base, NULL);
|
|
}
|
|
|
|
static int daemon_start(void* varg, bool foreground)
|
|
{
|
|
#ifndef HAVE_SYSLOG
|
|
TR_UNUSED(foreground);
|
|
#endif
|
|
|
|
bool boolVal;
|
|
char const* pid_filename;
|
|
bool pidfile_created = false;
|
|
tr_session* session = NULL;
|
|
struct event* status_ev = NULL;
|
|
tr_watchdir_t watchdir = NULL;
|
|
|
|
auto* arg = static_cast<daemon_data*>(varg);
|
|
tr_variant* const settings = &arg->settings;
|
|
char const* const configDir = arg->configDir;
|
|
|
|
sd_notifyf(0, "MAINPID=%d\n", (int)getpid());
|
|
|
|
/* should go before libevent calls */
|
|
tr_net_init();
|
|
|
|
/* setup event state */
|
|
ev_base = event_base_new();
|
|
|
|
if (ev_base == NULL)
|
|
{
|
|
char buf[256];
|
|
tr_snprintf(buf, sizeof(buf), "Failed to init daemon event state: %s", tr_strerror(errno));
|
|
printMessage(logfile, TR_LOG_ERROR, MY_NAME, buf, __FILE__, __LINE__);
|
|
return 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);
|
|
session = tr_sessionInit(configDir, true, settings);
|
|
tr_sessionSetRPCCallback(session, on_rpc_callback, NULL);
|
|
tr_logAddNamedInfo(NULL, "Using settings from \"%s\"", configDir);
|
|
tr_sessionSaveSettings(session, configDir, settings);
|
|
|
|
pid_filename = NULL;
|
|
(void)tr_variantDictFindStr(settings, key_pidfile, &pid_filename, NULL);
|
|
if (!tr_str_is_empty(pid_filename))
|
|
{
|
|
tr_error* error = NULL;
|
|
tr_sys_file_t fp = tr_sys_file_open(
|
|
pid_filename,
|
|
TR_SYS_FILE_WRITE | TR_SYS_FILE_CREATE | TR_SYS_FILE_TRUNCATE,
|
|
0666,
|
|
&error);
|
|
|
|
if (fp != TR_BAD_SYS_FILE)
|
|
{
|
|
tr_sys_file_write_fmt(fp, "%d", NULL, (int)getpid());
|
|
tr_sys_file_close(fp, NULL);
|
|
tr_logAddInfo("Saved pidfile \"%s\"", pid_filename);
|
|
pidfile_created = true;
|
|
}
|
|
else
|
|
{
|
|
tr_logAddError("Unable to save pidfile \"%s\": %s", pid_filename, error->message);
|
|
tr_error_free(error);
|
|
}
|
|
}
|
|
|
|
if (tr_variantDictFindBool(settings, TR_KEY_rpc_authentication_required, &boolVal) && boolVal)
|
|
{
|
|
tr_logAddNamedInfo(MY_NAME, "requiring authentication");
|
|
}
|
|
|
|
mySession = session;
|
|
|
|
/* If we got a SIGHUP during startup, process that now. */
|
|
if (seenHUP)
|
|
{
|
|
daemon_reconfigure(arg);
|
|
}
|
|
|
|
/* maybe add a watchdir */
|
|
if (tr_variantDictFindBool(settings, TR_KEY_watch_dir_enabled, &boolVal) && boolVal)
|
|
{
|
|
char const* dir;
|
|
bool force_generic;
|
|
|
|
if (!tr_variantDictFindBool(settings, key_watch_dir_force_generic, &force_generic))
|
|
{
|
|
force_generic = false;
|
|
}
|
|
|
|
if (tr_variantDictFindStr(settings, TR_KEY_watch_dir, &dir, NULL) && !tr_str_is_empty(dir))
|
|
{
|
|
tr_logAddInfo("Watching \"%s\" for new .torrent files", dir);
|
|
|
|
if ((watchdir = tr_watchdir_new(dir, &onFileAdded, mySession, ev_base, force_generic)) == NULL)
|
|
{
|
|
goto CLEANUP;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* load the torrents */
|
|
{
|
|
tr_torrent** torrents;
|
|
tr_ctor* ctor = tr_ctorNew(mySession);
|
|
|
|
if (arg->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
|
|
|
|
/* Create new timer event to report daemon status */
|
|
{
|
|
constexpr auto one_sec = timeval{ 1, 0 }; // 1 second
|
|
status_ev = event_new(ev_base, -1, EV_PERSIST, &periodicUpdate, NULL);
|
|
|
|
if (status_ev == NULL)
|
|
{
|
|
tr_logAddError("Failed to create status event %s", tr_strerror(errno));
|
|
goto CLEANUP;
|
|
}
|
|
|
|
if (event_add(status_ev, &one_sec) == -1)
|
|
{
|
|
tr_logAddError("Failed to add status event %s", tr_strerror(errno));
|
|
goto CLEANUP;
|
|
}
|
|
}
|
|
|
|
sd_notify(0, "READY=1\n");
|
|
|
|
/* Run daemon event loop */
|
|
if (event_base_dispatch(ev_base) == -1)
|
|
{
|
|
tr_logAddError("Failed to launch daemon event loop: %s", tr_strerror(errno));
|
|
goto CLEANUP;
|
|
}
|
|
|
|
CLEANUP:
|
|
sd_notify(0, "STATUS=Closing transmission session...\n");
|
|
printf("Closing transmission session...");
|
|
|
|
tr_watchdir_free(watchdir);
|
|
|
|
if (status_ev != NULL)
|
|
{
|
|
event_del(status_ev);
|
|
event_free(status_ev);
|
|
}
|
|
|
|
event_base_free(ev_base);
|
|
|
|
tr_sessionSaveSettings(mySession, configDir, settings);
|
|
tr_sessionClose(mySession);
|
|
pumpLogMessages(logfile);
|
|
printf(" done.\n");
|
|
|
|
/* shutdown */
|
|
#ifdef HAVE_SYSLOG
|
|
|
|
if (!foreground)
|
|
{
|
|
syslog(LOG_INFO, "%s", "Closing session");
|
|
closelog();
|
|
}
|
|
|
|
#endif
|
|
|
|
/* cleanup */
|
|
if (pidfile_created)
|
|
{
|
|
tr_sys_path_remove(pid_filename, NULL);
|
|
}
|
|
|
|
sd_notify(0, "STATUS=\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool init_daemon_data(int argc, char* argv[], struct daemon_data* data, bool* foreground, int* ret)
|
|
{
|
|
data->configDir = getConfigDir(argc, (char const* const*)argv);
|
|
|
|
/* load settings from defaults + config file */
|
|
tr_variantInitDict(&data->settings, 0);
|
|
tr_variantDictAddBool(&data->settings, TR_KEY_rpc_enabled, true);
|
|
bool const loaded = tr_sessionLoadSettings(&data->settings, data->configDir, MY_NAME);
|
|
|
|
bool dumpSettings;
|
|
|
|
*ret = 0;
|
|
|
|
/* overwrite settings from the command line */
|
|
if (!parse_args(argc, (char const**)argv, &data->settings, &data->paused, &dumpSettings, foreground, ret))
|
|
{
|
|
goto EXIT_EARLY;
|
|
}
|
|
|
|
if (*foreground && logfile == TR_BAD_SYS_FILE)
|
|
{
|
|
logfile = tr_sys_file_get_std(TR_STD_SYS_FILE_ERR, NULL);
|
|
}
|
|
|
|
if (!loaded)
|
|
{
|
|
printMessage(logfile, TR_LOG_ERROR, MY_NAME, "Error loading config file -- exiting.", __FILE__, __LINE__);
|
|
*ret = 1;
|
|
goto EXIT_EARLY;
|
|
}
|
|
|
|
if (dumpSettings)
|
|
{
|
|
char* str = tr_variantToStr(&data->settings, TR_VARIANT_FMT_JSON, NULL);
|
|
fprintf(stderr, "%s", str);
|
|
tr_free(str);
|
|
goto EXIT_EARLY;
|
|
}
|
|
|
|
return true;
|
|
|
|
EXIT_EARLY:
|
|
tr_variantFree(&data->settings);
|
|
return false;
|
|
}
|
|
|
|
int tr_main(int argc, char* argv[])
|
|
{
|
|
key_pidfile = tr_quark_new("pidfile", TR_BAD_SIZE);
|
|
key_watch_dir_force_generic = tr_quark_new("watch-dir-force-generic", TR_BAD_SIZE);
|
|
|
|
struct daemon_data data;
|
|
bool foreground;
|
|
int ret;
|
|
|
|
if (!init_daemon_data(argc, argv, &data, &foreground, &ret))
|
|
{
|
|
return ret;
|
|
}
|
|
|
|
auto constexpr cb = dtr_callbacks{
|
|
&daemon_start,
|
|
&daemon_stop,
|
|
&daemon_reconfigure,
|
|
};
|
|
|
|
tr_error* error = NULL;
|
|
|
|
if (!dtr_daemon(&cb, &data, foreground, &ret, &error))
|
|
{
|
|
char buf[256];
|
|
tr_snprintf(buf, sizeof(buf), "Failed to daemonize: %s", error->message);
|
|
printMessage(logfile, TR_LOG_ERROR, MY_NAME, buf, __FILE__, __LINE__);
|
|
tr_error_free(error);
|
|
}
|
|
|
|
tr_variantFree(&data.settings);
|
|
return ret;
|
|
}
|