diff options
Diffstat (limited to 'plugins/mod_posix.lua')
| -rw-r--r-- | plugins/mod_posix.lua | 163 |
1 files changed, 1 insertions, 162 deletions
diff --git a/plugins/mod_posix.lua b/plugins/mod_posix.lua index 3aa6a895..101e6e62 100644 --- a/plugins/mod_posix.lua +++ b/plugins/mod_posix.lua @@ -6,167 +6,6 @@ -- COPYING file in the source package for more information. -- - -local want_pposix_version = "0.4.0"; - -local pposix = assert(require "prosody.util.pposix"); -if pposix._VERSION ~= want_pposix_version then - module:log("warn", "Unknown version (%s) of binary pposix module, expected %s." - .. "Perhaps you need to recompile?", tostring(pposix._VERSION), want_pposix_version); -end - -local have_signal, signal = pcall(require, "prosody.util.signal"); -if not have_signal then - module:log("warn", "Couldn't load signal library, won't respond to SIGTERM"); -end - -local lfs = require "lfs"; -local stat = lfs.attributes; - -local prosody = _G.prosody; - module:set_global(); -- we're a global module -local umask = module:get_option_string("umask", "027"); -pposix.umask(umask); - --- Don't even think about it! -if not prosody.start_time then -- server-starting - if pposix.getuid() == 0 and not module:get_option_boolean("run_as_root") then - module:log("error", "Danger, Will Robinson! Prosody doesn't need to be run as root, so don't do it!"); - module:log("error", "For more information on running Prosody as root, see https://prosody.im/doc/root"); - prosody.shutdown("Refusing to run as root", 1); - end -end - -local pidfile; -local pidfile_handle; - -local function remove_pidfile() - if pidfile_handle then - pidfile_handle:close(); - os.remove(pidfile); - pidfile, pidfile_handle = nil, nil; - end -end - -local function write_pidfile() - if pidfile_handle then - remove_pidfile(); - end - pidfile = module:get_option_path("pidfile", nil, "data"); - if pidfile then - local err; - local mode = stat(pidfile) and "r+" or "w+"; - pidfile_handle, err = io.open(pidfile, mode); - if not pidfile_handle then - module:log("error", "Couldn't write pidfile at %s; %s", pidfile, err); - prosody.shutdown("Couldn't write pidfile", 1); - else - if not lfs.lock(pidfile_handle, "w") then -- Exclusive lock - local other_pid = pidfile_handle:read("*a"); - module:log("error", "Another Prosody instance seems to be running with PID %s, quitting", other_pid); - pidfile_handle = nil; - prosody.shutdown("Prosody already running", 1); - else - pidfile_handle:close(); - pidfile_handle, err = io.open(pidfile, "w+"); - if not pidfile_handle then - module:log("error", "Couldn't write pidfile at %s; %s", pidfile, err); - prosody.shutdown("Couldn't write pidfile", 1); - else - if lfs.lock(pidfile_handle, "w") then - pidfile_handle:write(tostring(pposix.getpid())); - pidfile_handle:flush(); - end - end - end - end - end -end - -local daemonize = prosody.opts.daemonize; - -if daemonize == nil then - -- Fall back to config file if not specified on command-line - daemonize = module:get_option_boolean("daemonize", nil); - if daemonize ~= nil then - module:log("warn", "The 'daemonize' option has been deprecated, specify -D or -F on the command line instead."); - -- TODO: Write some docs and include a link in the warning. - end -end - -local function remove_log_sinks() - local lm = require "prosody.core.loggingmanager"; - lm.register_sink_type("console", nil); - lm.register_sink_type("stdout", nil); - lm.reload_logging(); -end - -if daemonize then - local function daemonize_server() - module:log("info", "Prosody is about to detach from the console, disabling further console output"); - remove_log_sinks(); - local ok, ret = pposix.daemonize(); - if not ok then - module:log("error", "Failed to daemonize: %s", ret); - elseif ret and ret > 0 then - os.exit(0); - else - module:log("info", "Successfully daemonized to PID %d", pposix.getpid()); - write_pidfile(); - end - end - module:hook("server-started", daemonize_server) -else - -- Not going to daemonize, so write the pid of this process - write_pidfile(); -end - -module:hook("server-stopped", remove_pidfile); - --- Set signal handlers -if have_signal then - module:add_timer(0, function () - signal.signal("SIGTERM", function () - module:log("warn", "Received SIGTERM"); - prosody.main_thread:run(function () - prosody.unlock_globals(); - prosody.shutdown("Received SIGTERM"); - prosody.lock_globals(); - end); - end); - - signal.signal("SIGHUP", function () - module:log("info", "Received SIGHUP"); - prosody.main_thread:run(function () - prosody.reload_config(); - end); - -- this also reloads logging - end); - - signal.signal("SIGINT", function () - module:log("info", "Received SIGINT"); - prosody.main_thread:run(function () - prosody.unlock_globals(); - prosody.shutdown("Received SIGINT"); - prosody.lock_globals(); - end); - end); - - signal.signal("SIGUSR1", function () - module:log("info", "Received SIGUSR1"); - module:fire_event("signal/SIGUSR1"); - end); - - signal.signal("SIGUSR2", function () - module:log("info", "Received SIGUSR2"); - module:fire_event("signal/SIGUSR2"); - end); - end); -end - --- For other modules to reference -features = { - signal_events = true; -}; +-- TODO delete this whole concept |