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uwsgi.c
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uwsgi.c
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/*
*** uWSGI ***
Copyright (C) 2009-2012 Unbit S.a.s. <info@unbit.it>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "uwsgi.h"
struct uwsgi_server uwsgi;
#if defined(__APPLE__) && defined(UWSGI_AS_SHARED_LIBRARY)
#include <crt_externs.h>
char **environ;
#else
extern char **environ;
#endif
UWSGI_DECLARE_EMBEDDED_PLUGINS;
static struct uwsgi_option uwsgi_base_options[] = {
{"socket", required_argument, 's', "bind to the specified UNIX/TCP socket using default protocol", uwsgi_opt_add_socket, NULL, 0},
{"uwsgi-socket", required_argument, 's', "bind to the specified UNIX/TCP socket using uwsgi protocol", uwsgi_opt_add_socket, "uwsgi", 0},
{"http-socket", required_argument, 0, "bind to the specified UNIX/TCP socket using HTTP protocol", uwsgi_opt_add_socket, "http", 0},
{"fastcgi-socket", required_argument, 0, "bind to the specified UNIX/TCP socket using FastCGI protocol", uwsgi_opt_add_socket, "fastcgi", 0},
{"protocol", required_argument, 0, "force the specified protocol for default sockets", uwsgi_opt_set_str, &uwsgi.protocol, 0},
{"socket-protocol", required_argument, 0, "force the specified protocol for default sockets", uwsgi_opt_set_str, &uwsgi.protocol, 0},
{"shared-socket", required_argument, 0, "create a shared sacket for advanced jailing or ipc", uwsgi_opt_add_shared_socket, NULL, 0},
{"processes", required_argument, 'p', "spawn the specified number of workers/processes", uwsgi_opt_set_int, &uwsgi.numproc, 0},
{"workers", required_argument, 'p', "spawn the specified number of workers/processes", uwsgi_opt_set_int, &uwsgi.numproc, 0},
{"harakiri", required_argument, 't', "set harakiri timeout", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_HARAKIRI, 0},
{"harakiri-verbose", no_argument, 0, "enable verbose mode for harakiri", uwsgi_opt_true, &uwsgi.harakiri_verbose, 0},
{"harakiri-no-arh", no_argument, 0, "do not enable harakiri during after-request-hook", uwsgi_opt_true, &uwsgi.harakiri_no_arh, 0},
{"no-harakiri-arh", no_argument, 0, "do not enable harakiri during after-request-hook", uwsgi_opt_true, &uwsgi.harakiri_no_arh, 0},
{"no-harakiri-after-req-hook", no_argument, 0, "do not enable harakiri during after-request-hook", uwsgi_opt_true, &uwsgi.harakiri_no_arh, 0},
{"backtrace-depth", no_argument, 0, "set backtrace depth", uwsgi_opt_set_int, &uwsgi.backtrace_depth, 0},
{"spooler-harakiri", required_argument, 0, "set harakiri timeout for spooler tasks", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_SPOOLER_HARAKIRI, 0},
{"mule-harakiri", required_argument, 0, "set harakiri timeout for mule tasks", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_MULE_HARAKIRI, 0},
#ifdef UWSGI_XML
{"xmlconfig", required_argument, 'x', "load config from xml file", uwsgi_opt_load_xml, NULL, UWSGI_OPT_IMMEDIATE},
{"xml", required_argument, 'x', "load config from xml file", uwsgi_opt_load_xml, NULL, UWSGI_OPT_IMMEDIATE},
#endif
{"skip-zero", no_argument, 0, "skip check of file descriptor 0", uwsgi_opt_true, &uwsgi.skip_zero, 0},
{"set", required_argument, 'S', "set a custom placeholder", uwsgi_opt_set_placeholder, NULL, UWSGI_OPT_IMMEDIATE},
{"declare-option", required_argument, 0, "declare a new uWSGI custom option", uwsgi_opt_add_custom_option, NULL, UWSGI_OPT_IMMEDIATE},
{"for", required_argument, 0, "(opt logic) for cycle", uwsgi_opt_logic, (void *) uwsgi_logic_opt_for, UWSGI_OPT_IMMEDIATE},
{"endfor", optional_argument, 0, "(opt logic) end for cycle", uwsgi_opt_noop, NULL, UWSGI_OPT_IMMEDIATE},
{"if-env", required_argument, 0, "(opt logic) check for environment variable", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_env, UWSGI_OPT_IMMEDIATE},
{"if-not-env", required_argument, 0, "(opt logic) check for environment variable", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_env, UWSGI_OPT_IMMEDIATE},
{"ifenv", required_argument, 0, "(opt logic) check for environment variable", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_env, UWSGI_OPT_IMMEDIATE},
{"if-reload", no_argument, 0, "(opt logic) check for reload", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_reload, UWSGI_OPT_IMMEDIATE},
{"if-not-reload", no_argument, 0, "(opt logic) check for reload", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_reload, UWSGI_OPT_IMMEDIATE},
{"if-exists", required_argument, 0, "(opt logic) check for file/directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_exists, UWSGI_OPT_IMMEDIATE},
{"if-not-exists", required_argument, 0, "(opt logic) check for file/directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_exists, UWSGI_OPT_IMMEDIATE},
{"ifexists", required_argument, 0, "(opt logic) check for file/directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_exists, UWSGI_OPT_IMMEDIATE},
{"if-file", required_argument, 0, "(opt logic) check for file existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_file, UWSGI_OPT_IMMEDIATE},
{"if-not-file", required_argument, 0, "(opt logic) check for file existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_file, UWSGI_OPT_IMMEDIATE},
{"if-dir", required_argument, 0, "(opt logic) check for directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_dir, UWSGI_OPT_IMMEDIATE},
{"if-not-dir", required_argument, 0, "(opt logic) check for directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_not_dir, UWSGI_OPT_IMMEDIATE},
{"ifdir", required_argument, 0, "(opt logic) check for directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_dir, UWSGI_OPT_IMMEDIATE},
{"if-directory", required_argument, 0, "(opt logic) check for directory existance", uwsgi_opt_logic, (void *) uwsgi_logic_opt_if_dir, UWSGI_OPT_IMMEDIATE},
{"endif", optional_argument, 0, "(opt logic) end if", uwsgi_opt_noop, NULL, UWSGI_OPT_IMMEDIATE},
{"ignore-sigpipe", no_argument, 0, "do not report (annoying) SIGPIPE", uwsgi_opt_true, &uwsgi.ignore_sigpipe, 0},
{"ignore-write-errors", no_argument, 0, "do not report (annoying) write()/writev() errors", uwsgi_opt_true, &uwsgi.ignore_write_errors, 0},
{"write-errors-tolerance", required_argument, 0, "set the maximum number of allowed write errors (default: no tolerance)", uwsgi_opt_set_int, &uwsgi.write_errors_tolerance, 0},
{"write-errors-exception-only", no_argument, 0, "only raise an exception on write errors giving control to the app itself", uwsgi_opt_true, &uwsgi.write_errors_exception_only, 0},
{"disable-write-exception", no_argument, 0, "disable exception generation on write()/writev()", uwsgi_opt_true, &uwsgi.disable_write_exception, 0},
{"inherit", required_argument, 0, "use the specified file as config template", uwsgi_opt_load, NULL, 0},
{"daemonize", required_argument, 'd', "daemonize uWSGI", uwsgi_opt_set_str, &uwsgi.daemonize, 0},
{"daemonize2", required_argument, 0, "daemonize uWSGI after app loading", uwsgi_opt_set_str, &uwsgi.daemonize2, 0},
{"stop", required_argument, 0, "stop an instance", uwsgi_opt_pidfile_signal, (void *) SIGINT, UWSGI_OPT_IMMEDIATE},
{"reload", required_argument, 0, "reload an instance", uwsgi_opt_pidfile_signal, (void *) SIGHUP, UWSGI_OPT_IMMEDIATE},
{"pause", required_argument, 0, "pause an instance", uwsgi_opt_pidfile_signal, (void *) SIGTSTP, UWSGI_OPT_IMMEDIATE},
{"suspend", required_argument, 0, "suspend an instance", uwsgi_opt_pidfile_signal, (void *) SIGTSTP, UWSGI_OPT_IMMEDIATE},
{"resume", required_argument, 0, "resume an instance", uwsgi_opt_pidfile_signal, (void *) SIGTSTP, UWSGI_OPT_IMMEDIATE},
{"connect-and-read", required_argument, 0, "connect to a scoekt and wait for data from it", uwsgi_opt_connect_and_read, NULL, UWSGI_OPT_IMMEDIATE},
{"listen", required_argument, 'l', "set the socket listen queue size", uwsgi_opt_set_int, &uwsgi.listen_queue, 0},
{"max-vars", required_argument, 'v', "set the amount of internal iovec/vars structures", uwsgi_opt_max_vars, NULL, 0},
{"buffer-size", required_argument, 'b', "set internal buffer size", uwsgi_opt_set_int, &uwsgi.buffer_size, 0},
{"memory-report", no_argument, 'm', "enable memory report", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_MEMORY_DEBUG, 0},
{"profiler", required_argument, 0, "enable the specified profiler", uwsgi_opt_set_str, &uwsgi.profiler, 0},
{"cgi-mode", no_argument, 'c', "force CGI-mode for plugins supporting it", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_CGI_MODE, 0},
{"abstract-socket", no_argument, 'a', "force UNIX socket in abstract mode (Linux only)", uwsgi_opt_true, &uwsgi.abstract_socket, 0},
{"chmod-socket", optional_argument, 'C', "chmod-socket", uwsgi_opt_chmod_socket, NULL, 0},
{"chmod", optional_argument, 'C', "chmod-socket", uwsgi_opt_chmod_socket, NULL, 0},
{"chown-socket", required_argument, 0, "chown unix sockets", uwsgi_opt_set_str, &uwsgi.chown_socket, 0},
{"umask", required_argument, 0, "set umask", uwsgi_opt_set_umask, NULL, UWSGI_OPT_IMMEDIATE},
#ifdef __linux__
{"freebind", no_argument, 0, "put socket in freebind mode", uwsgi_opt_true, &uwsgi.freebind, 0},
#endif
{"map-socket", required_argument, 0, "map sockets to specific workers", uwsgi_opt_add_string_list, &uwsgi.map_socket, 0},
#ifdef UWSGI_THREADING
{"enable-threads", no_argument, 'T', "enable threads", uwsgi_opt_true, &uwsgi.has_threads, 0},
#endif
{"auto-procname", no_argument, 0, "automatically set processes name to something meaningful", uwsgi_opt_true, &uwsgi.auto_procname, 0},
{"procname-prefix", required_argument, 0, "add a prefix to the process names", uwsgi_opt_set_str, &uwsgi.procname_prefix, UWSGI_OPT_PROCNAME},
{"procname-prefix-spaced", required_argument, 0, "add a spaced prefix to the process names", uwsgi_opt_set_str_spaced, &uwsgi.procname_prefix, UWSGI_OPT_PROCNAME},
{"procname-append", required_argument, 0, "append a string to process names", uwsgi_opt_set_str, &uwsgi.procname_append, UWSGI_OPT_PROCNAME},
{"procname", required_argument, 0, "set process names", uwsgi_opt_set_str, &uwsgi.procname, UWSGI_OPT_PROCNAME},
{"procname-master", required_argument, 0, "set master process name", uwsgi_opt_set_str, &uwsgi.procname_master, UWSGI_OPT_PROCNAME},
{"single-interpreter", no_argument, 'i', "do not use multiple interpreters (where available)", uwsgi_opt_true, &uwsgi.single_interpreter, 0},
{"need-app", no_argument, 0, "exit if no app can be loaded", uwsgi_opt_true, &uwsgi.need_app, 0},
{"master", no_argument, 'M', "enable master process", uwsgi_opt_true, &uwsgi.master_process, 0},
{"emperor", required_argument, 0, "run the Emperor", uwsgi_opt_set_str, &uwsgi.emperor_dir, 0},
{"emperor-tyrant", no_argument, 0, "put the Emperor in Tyrant mode", uwsgi_opt_true, &uwsgi.emperor_tyrant, 0},
{"emperor-stats", required_argument, 0, "run the Emperor stats server", uwsgi_opt_set_str, &uwsgi.emperor_stats, 0},
{"emperor-stats-server", required_argument, 0, "run the Emperor stats server", uwsgi_opt_set_str, &uwsgi.emperor_stats, 0},
{"early-emperor", no_argument, 0, "spawn the emperor as soon as possibile", uwsgi_opt_true, &uwsgi.early_emperor, 0},
{"emperor-broodlord", required_argument, 0, "run the emperor in BroodLord mode", uwsgi_opt_set_int, &uwsgi.emperor_broodlord, 0},
{"emperor-amqp-vhost", required_argument, 0, "set emperor amqp virtualhost", uwsgi_opt_set_str, &uwsgi.emperor_amqp_vhost, 0},
{"emperor-amqp-username", required_argument, 0, "set emperor amqp username", uwsgi_opt_set_str, &uwsgi.emperor_amqp_username, 0},
{"emperor-amqp-password", required_argument, 0, "set emperor amqp password", uwsgi_opt_set_str, &uwsgi.emperor_amqp_password, 0},
{"emperor-throttle", required_argument, 0, "throttle each vassal spawn (in seconds)", uwsgi_opt_set_int, &uwsgi.emperor_throttle, 0},
{"emperor-magic-exec", no_argument, 0, "prefix vassals config files with exec:// if they have the executable bit", uwsgi_opt_true, &uwsgi.emperor_magic_exec, 0},
{"vassals-inherit", required_argument, 0, "add config templates to vassals config", uwsgi_opt_add_string_list, &uwsgi.vassals_templates, 0},
{"vassals-start-hook", required_argument, 0, "run the specified command before each vassal starts", uwsgi_opt_set_str, &uwsgi.vassals_start_hook, 0},
{"vassals-stop-hook", required_argument, 0, "run the specified command after vassal's death", uwsgi_opt_set_str, &uwsgi.vassals_stop_hook, 0},
{"vassal-sos-backlog", required_argument, 0, "ask emperor for sos if backlog queue has more items than the value specified", uwsgi_opt_set_int, &uwsgi.vassal_sos_backlog, 0},
{"auto-snapshot", optional_argument, 0, "automatically make workers snaphost after reload", uwsgi_opt_set_int, &uwsgi.auto_snapshot, UWSGI_OPT_LAZY},
{"reload-mercy", required_argument, 0, "set the maximum time (in seconds) a worker can take to reload/shutdown", uwsgi_opt_set_int, &uwsgi.reload_mercy, 0},
{"exit-on-reload", no_argument, 0, "force exit even if a reload is requested", uwsgi_opt_true, &uwsgi.exit_on_reload, 0},
{"die-on-term", no_argument, 0, "exit instead of brutal reload on SIGTERM", uwsgi_opt_true, &uwsgi.die_on_term, 0},
{"help", no_argument, 'h', "show this help", uwsgi_help, NULL, UWSGI_OPT_IMMEDIATE},
{"usage", no_argument, 'h', "show this help", uwsgi_help, NULL, UWSGI_OPT_IMMEDIATE},
{"reaper", no_argument, 'r', "call waitpid(-1,...) after each request to get rid of zombies", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_REAPER, 0},
{"max-requests", required_argument, 'R', "reload workers after the specified amount of managed requests", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_MAX_REQUESTS, 0},
{"socket-timeout", required_argument, 'z', "set internal sockets timeout", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_SOCKET_TIMEOUT, 0},
{"no-fd-passing", no_argument, 0, "disable file descriptor passing", uwsgi_opt_true, &uwsgi.no_fd_passing, 0},
{"locks", required_argument, 0, "create the specified number of shared locks", uwsgi_opt_set_int, &uwsgi.locks, 0},
{"lock-engine", required_argument, 0, "set the lock engine", uwsgi_opt_set_str, &uwsgi.lock_engine, 0},
{"ftok", required_argument, 0, "set the ipcsem key via ftok() for avoiding duplicates", uwsgi_opt_set_str, &uwsgi.ftok, 0},
{"sharedarea", required_argument, 'A', "create a raw shared memory area of specified pages", uwsgi_opt_set_int, &uwsgi.sharedareasize, 0},
{"cache", required_argument, 0, "create a shared cache containing given elements", uwsgi_opt_set_int, &uwsgi.cache_max_items, 0},
{"cache-blocksize", required_argument, 0, "set cache blocksize", uwsgi_opt_set_int, &uwsgi.cache_blocksize, 0},
{"cache-store", required_argument, 0, "enable persistent cache to disk", uwsgi_opt_set_str, &uwsgi.cache_store, UWSGI_OPT_MASTER},
{"cache-store-sync", required_argument, 0, "set frequency of sync for persistent cache", uwsgi_opt_set_int, &uwsgi.cache_store_sync, 0},
{"cache-server", required_argument, 0, "enable the threaded cache server", uwsgi_opt_set_str, &uwsgi.cache_server, 0},
{"cache-server-threads", required_argument, 0, "set the number of threads for the cache server", uwsgi_opt_set_int, &uwsgi.cache_server_threads, 0},
{"cache-no-expire", no_argument, 0, "disable auto sweep of expired items", uwsgi_opt_true, &uwsgi.cache_no_expire, 0},
{"cache-expire-freq", required_argument, 0, "set the frequency of cache sweeper scans (default 3 seconds)", uwsgi_opt_set_int, &uwsgi.cache_expire_freq, 0},
{"cache-report-freed-items", no_argument, 0, "constantly report the cache item freed by the sweeper (use only for debug)", uwsgi_opt_true, &uwsgi.cache_report_freed_items, 0},
{"queue", required_argument, 0, "enable shared queue", uwsgi_opt_set_int, &uwsgi.queue_size, 0},
{"queue-blocksize", required_argument, 0, "set queue blocksize", uwsgi_opt_set_int, &uwsgi.queue_store_sync, 0},
{"queue-store", required_argument, 0, "enable persistent queue to disk", uwsgi_opt_set_str, &uwsgi.queue_store, UWSGI_OPT_MASTER},
{"queue-store-sync", required_argument, 0, "set frequency of sync for persistent queue", uwsgi_opt_set_int, &uwsgi.queue_store_sync, 0},
#ifdef UWSGI_SPOOLER
{"spooler", required_argument, 'Q', "run a spooler on the specified directory", uwsgi_opt_add_spooler, NULL, UWSGI_OPT_MASTER},
{"spooler-ordered", no_argument, 0, "try to order the execution of spooler tasks", uwsgi_opt_true, &uwsgi.spooler_ordered, 0},
{"spooler-chdir", required_argument, 0, "chdir() to specified directory before each spooler task", uwsgi_opt_set_str, &uwsgi.spooler_chdir, 0},
{"spooler-processes", required_argument, 0, "set the number of processes for spoolers", uwsgi_opt_set_int, &uwsgi.spooler_numproc, 0},
{"spooler-quiet", no_argument, 0, "do not be verbose with spooler tasks", uwsgi_opt_true, &uwsgi.spooler_quiet, 0},
{"spooler-max-tasks", required_argument, 0, "set the maximum number of tasks to run before recycling a spooler", uwsgi_opt_set_int, &uwsgi.spooler_max_tasks, 0},
#endif
{"mule", optional_argument, 0, "add a mule", uwsgi_opt_add_mule, NULL, UWSGI_OPT_MASTER},
{"mules", required_argument, 0, "add the specified number of mules", uwsgi_opt_add_mules, NULL, UWSGI_OPT_MASTER},
{"farm", required_argument, 0, "add a mule farm", uwsgi_opt_add_farm, NULL, UWSGI_OPT_MASTER},
{"signal", required_argument, 0, "send a uwsgi signal to a server", uwsgi_opt_signal, NULL, UWSGI_OPT_IMMEDIATE},
{"signal-bufsize", required_argument, 0, "set buffer size for signal queue", uwsgi_opt_set_int, &uwsgi.signal_bufsize, 0},
{"signals-bufsize", required_argument, 0, "set buffer size for signal queue", uwsgi_opt_set_int, &uwsgi.signal_bufsize, 0},
{"disable-logging", no_argument, 'L', "disable request logging", uwsgi_opt_dyn_false, (void *) UWSGI_OPTION_LOGGING, 0},
{"flock", required_argument, 0, "lock the specified file before starting, exit if locked", uwsgi_opt_flock, NULL, UWSGI_OPT_IMMEDIATE},
{"flock-wait", required_argument, 0, "lock the specified file before starting, wait if locked", uwsgi_opt_flock_wait, NULL, UWSGI_OPT_IMMEDIATE},
{"flock2", required_argument, 0, "lock the specified file after logging/daemon setup, exit if locked", uwsgi_opt_set_str, &uwsgi.flock2, UWSGI_OPT_IMMEDIATE},
{"flock-wait2", required_argument, 0, "lock the specified file after logging/daemon setup, wait if locked", uwsgi_opt_set_str, &uwsgi.flock_wait2, UWSGI_OPT_IMMEDIATE},
{"pidfile", required_argument, 0, "create pidfile (before privileges drop)", uwsgi_opt_set_str, &uwsgi.pidfile, 0},
{"pidfile2", required_argument, 0, "create pidfile (after privileges drop)", uwsgi_opt_set_str, &uwsgi.pidfile2, 0},
{"chroot", required_argument, 0, "chroot() to the specified directory", uwsgi_opt_set_str, &uwsgi.chroot, 0},
{"uid", required_argument, 0, "setuid to the specified user/uid", uwsgi_opt_set_uid, NULL, 0},
{"gid", required_argument, 0, "setgid to the specified group/gid", uwsgi_opt_set_gid, NULL, 0},
{"no-initgroups", no_argument, 0, "disable additional groups set via initgroups()", uwsgi_opt_true, &uwsgi.no_initgroups, 0},
#ifdef UWSGI_CAP
{"cap", required_argument, 0, "set process capability", uwsgi_opt_set_cap, NULL, 0},
#endif
#ifdef __linux__
{"unshare", required_argument, 0, "unshare() part of the processes and put it in a new namespace", uwsgi_opt_set_unshare, 0},
#endif
{"exec-pre-jail", required_argument, 0, "run the specified command before jailing", uwsgi_opt_add_string_list, &uwsgi.exec_pre_jail, 0},
{"exec-post-jail", required_argument, 0, "run the specified command after jailing", uwsgi_opt_add_string_list, &uwsgi.exec_post_jail, 0},
{"exec-in-jail", required_argument, 0, "run the specified command in jail after initialization", uwsgi_opt_add_string_list, &uwsgi.exec_in_jail, 0},
{"exec-as-root", required_argument, 0, "run the specified command before privileges drop", uwsgi_opt_add_string_list, &uwsgi.exec_as_root, 0},
{"exec-as-user", required_argument, 0, "run the specified command after privileges drop", uwsgi_opt_add_string_list, &uwsgi.exec_as_user, 0},
{"exec-as-user-atexit", required_argument, 0, "run the specified command before app exit and reload", uwsgi_opt_add_string_list, &uwsgi.exec_as_user_atexit, 0},
{"exec-pre-app", required_argument, 0, "run the specified command before app loading", uwsgi_opt_add_string_list, &uwsgi.exec_pre_app, 0},
#ifdef UWSGI_INI
{"ini", required_argument, 0, "load config from ini file", uwsgi_opt_load_ini, NULL, UWSGI_OPT_IMMEDIATE},
#endif
#ifdef UWSGI_YAML
{"yaml", required_argument, 'y', "load config from yaml file", uwsgi_opt_load_yml, NULL, UWSGI_OPT_IMMEDIATE},
{"yal", required_argument, 'y', "load config from yaml file", uwsgi_opt_load_yml, NULL, UWSGI_OPT_IMMEDIATE},
#endif
#ifdef UWSGI_JSON
{"json", required_argument, 'j', "load config from json file", uwsgi_opt_load_json, NULL, 0},
{"js", required_argument, 'j', "load config from json file", uwsgi_opt_load_json, NULL, 0},
#endif
#ifdef UWSGI_SQLITE3
{"sqlite3", required_argument, 0, "load config from sqlite3 db", uwsgi_opt_load_sqlite3, NULL, UWSGI_OPT_IMMEDIATE},
{"sqlite", required_argument, 0, "load config from sqlite3 db", uwsgi_opt_load_sqlite3, NULL, UWSGI_OPT_IMMEDIATE},
#endif
#ifdef UWSGI_ZEROMQ
{"zeromq", required_argument, 0, "create a zeromq pub/sub pair", uwsgi_opt_set_str, &uwsgi.zeromq, 0},
{"zmq", required_argument, 0, "create a zeromq pub/sub pair", uwsgi_opt_set_str, &uwsgi.zeromq, 0},
#endif
#ifdef UWSGI_LDAP
{"ldap", required_argument, 0, "load configuration from ldap server", uwsgi_opt_load_ldap, NULL, UWSGI_OPT_IMMEDIATE},
{"ldap-schema", no_argument, 0, "dump uWSGI ldap schema", uwsgi_opt_ldap_dump, NULL, UWSGI_OPT_IMMEDIATE},
{"ldap-schema-ldif", no_argument, 0, "dump uWSGI ldap schema in ldif format", uwsgi_opt_ldap_dump_ldif, NULL, UWSGI_OPT_IMMEDIATE},
#endif
{"weight", required_argument, 0, "weight of the instance (used by clustering/lb/subscriptions)", uwsgi_opt_set_64bit, &uwsgi.weight, 0},
{"auto-weight", required_argument, 0, "set weight of the instance (used by clustering/lb/subscriptions) automatically", uwsgi_opt_true, &uwsgi.auto_weight, 0},
{"no-server", no_argument, 0, "force no-server mode", uwsgi_opt_true, &uwsgi.no_server, 0},
{"command-mode", no_argument, 0, "force command mode", uwsgi_opt_true, &uwsgi.command_mode, UWSGI_OPT_IMMEDIATE},
{"no-defer-accept", no_argument, 0, "disable deferred-accept on sockets", uwsgi_opt_true, &uwsgi.no_defer_accept, 0},
{"limit-as", required_argument, 0, "limit processes address space/vsz", uwsgi_opt_set_megabytes, &uwsgi.rl.rlim_max, 0},
{"reload-on-as", required_argument, 0, "reload if address space is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.reload_on_as, UWSGI_OPT_MEMORY},
{"reload-on-rss", required_argument, 0, "reload if rss memory is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.reload_on_rss, UWSGI_OPT_MEMORY},
{"evil-reload-on-as", required_argument, 0, "force the master to reload a worker if its address space is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.evil_reload_on_as, UWSGI_OPT_MASTER | UWSGI_OPT_MEMORY},
{"evil-reload-on-rss", required_argument, 0, "force the master to reload a worker if its rss memory is higher than specified megabytes", uwsgi_opt_set_megabytes, &uwsgi.evil_reload_on_rss, UWSGI_OPT_MASTER | UWSGI_OPT_MEMORY},
#ifdef __linux__
#ifdef MADV_MERGEABLE
{"ksm", optional_argument, 0, "enable Linux KSM", uwsgi_opt_set_int, &uwsgi.linux_ksm, 0},
#endif
#endif
{"never-swap", no_argument, 0, "lock all memory pages avoiding swapping", uwsgi_opt_true, &uwsgi.never_swap, 0},
{"touch-reload", required_argument, 0, "reload uWSGI if the specified file is modified/touched", uwsgi_opt_add_string_list, &uwsgi.touch_reload, UWSGI_OPT_MASTER},
{"touch-logrotate", required_argument, 0, "trigger logrotation if the specified file is modified/touched", uwsgi_opt_add_string_list, &uwsgi.touch_logrotate, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
{"touch-logreopen", required_argument, 0, "trigger log reopen if the specified file is modified/touched", uwsgi_opt_add_string_list, &uwsgi.touch_logreopen, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
{"propagate-touch", no_argument, 0, "over-engineering option for system with flaky signal mamagement", uwsgi_opt_true, &uwsgi.propagate_touch, 0},
{"limit-post", required_argument, 0, "limit request body", uwsgi_opt_set_64bit, &uwsgi.limit_post, 0},
{"no-orphans", no_argument, 0, "automatically kill workers if master dies (can be dangerous for availability)", uwsgi_opt_true, &uwsgi.no_orphans, 0},
{"prio", required_argument, 0, "set processes/threads priority", uwsgi_opt_set_rawint, &uwsgi.prio, 0},
{"cpu-affinity", required_argument, 0, "set cpu affinity", uwsgi_opt_set_int, &uwsgi.cpu_affinity, 0},
{"post-buffering", required_argument, 0, "enable post buffering", uwsgi_opt_set_64bit, &uwsgi.post_buffering, 0},
{"post-buffering-bufsize", required_argument, 0, "set buffer size for read() in post buffering mode", uwsgi_opt_set_64bit, &uwsgi.post_buffering_bufsize, 0},
{"upload-progress", required_argument, 0, "enable creation of .json files in the specified directory during a file upload", uwsgi_opt_set_str, &uwsgi.upload_progress, 0},
{"no-default-app", no_argument, 0, "do not fallback to default app", uwsgi_opt_true, &uwsgi.no_default_app, 0},
{"manage-script-name", no_argument, 0, "automatically rewrite SCRIPT_NAME and PATH_INFO", uwsgi_opt_true, &uwsgi.manage_script_name, 0},
{"ignore-script-name", no_argument, 0, "ignore SCRIPT_NAME", uwsgi_opt_true, &uwsgi.ignore_script_name, 0},
{"catch-exceptions", no_argument, 0, "report exception has http output (discouraged)", uwsgi_opt_true, &uwsgi.catch_exceptions, 0},
{"reload-on-exception", no_argument, 0, "reload a worker when an exception is raised", uwsgi_opt_true, &uwsgi.reload_on_exception, 0},
{"reload-on-exception-type", required_argument, 0, "reload a worker when a specific exception type is raised", uwsgi_opt_add_string_list, &uwsgi.reload_on_exception_type, 0},
{"reload-on-exception-value", required_argument, 0, "reload a worker when a specific exception value is raised", uwsgi_opt_add_string_list, &uwsgi.reload_on_exception_value, 0},
{"reload-on-exception-repr", required_argument, 0, "reload a worker when a specific exception type+value (language-specific) is raised", uwsgi_opt_add_string_list, &uwsgi.reload_on_exception_repr, 0},
#ifdef UWSGI_UDP
{"udp", required_argument, 0, "run the udp server on the specified address", uwsgi_opt_set_str, &uwsgi.udp_socket, UWSGI_OPT_MASTER},
#endif
{"stats", required_argument, 0, "enable the stats server on the specified address", uwsgi_opt_set_str, &uwsgi.stats, UWSGI_OPT_MASTER},
{"stats-server", required_argument, 0, "enable the stats server on the specified address", uwsgi_opt_set_str, &uwsgi.stats, UWSGI_OPT_MASTER},
#ifdef UWSGI_MULTICAST
{"multicast", required_argument, 0, "subscribe to specified multicast group", uwsgi_opt_set_str, &uwsgi.multicast_group, UWSGI_OPT_MASTER},
{"cluster", required_argument, 0, "join specified uWSGI cluster", uwsgi_opt_set_str, &uwsgi.cluster, UWSGI_OPT_MASTER},
{"cluster-nodes", required_argument, 0, "get nodes list from the specified cluster", uwsgi_opt_true, &uwsgi.cluster_nodes, UWSGI_OPT_MASTER | UWSGI_OPT_CLUSTER},
{"cluster-reload", required_argument, 0, "send a reload message to the cluster", uwsgi_opt_cluster_reload, NULL, UWSGI_OPT_IMMEDIATE},
{"cluster-log", required_argument, 0, "send a log line to the cluster", uwsgi_opt_cluster_log, NULL, UWSGI_OPT_IMMEDIATE},
#endif
#ifdef UWSGI_SSL
{"subscriptions-sign-check", required_argument, 0, "set digest algorithm and certificate directory for secured subscription system", uwsgi_opt_scd, NULL, UWSGI_OPT_MASTER},
{"subscriptions-sign-check-tolerance", required_argument, 0, "set the maximum tolerance (in seconds) of clock skew for secured subscription system", uwsgi_opt_set_int, &uwsgi.subscriptions_sign_check_tolerance, UWSGI_OPT_MASTER},
#endif
{"subscribe-to", required_argument, 0, "subscribe to the specified subscription server", uwsgi_opt_add_string_list, &uwsgi.subscriptions, UWSGI_OPT_MASTER},
{"st", required_argument, 0, "subscribe to the specified subscription server", uwsgi_opt_add_string_list, &uwsgi.subscriptions, UWSGI_OPT_MASTER},
{"subscribe", required_argument, 0, "subscribe to the specified subscription server", uwsgi_opt_add_string_list, &uwsgi.subscriptions, UWSGI_OPT_MASTER},
{"subscribe-freq", required_argument, 0, "send subscription announce at the specified interval", uwsgi_opt_set_int, &uwsgi.subscribe_freq, 0},
{"subscription-tolerance", required_argument, 0, "set tolerance for subscription servers", uwsgi_opt_set_int, &uwsgi.subscription_tolerance, 0},
{"unsubscribe-on-graceful-reload", no_argument, 0, "force unsubscribe request even during graceful reload", uwsgi_opt_true, &uwsgi.unsubscribe_on_graceful_reload, 0},
#ifdef UWSGI_SNMP
{"snmp", optional_argument, 0, "enable the embedded snmp server", uwsgi_opt_snmp, NULL, 0},
{"snmp-community", required_argument, 0, "set the snmp community string", uwsgi_opt_snmp_community, NULL, 0},
#endif
#ifdef UWSGI_SSL
{"ssl-verbose", no_argument, 0, "be verbose about SSL errors", uwsgi_opt_true, &uwsgi.ssl_verbose, 0},
#endif
{"check-interval", required_argument, 0, "set the interval (in seconds) of master checks", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_MASTER_INTERVAL, 0},
{"forkbomb-delay", required_argument, 0, "sleep for the specified number of seconds when a forkbomb is detected", uwsgi_opt_set_int, &uwsgi.forkbomb_delay, UWSGI_OPT_MASTER},
{"binary-path", required_argument, 0, "force binary path", uwsgi_opt_set_str, &uwsgi.binary_path, 0},
#ifdef UWSGI_ASYNC
{"async", required_argument, 0, "enable async mode with specified cores", uwsgi_opt_set_int, &uwsgi.async, 0},
#endif
{"max-fd", required_argument, 0, "set maximum number of file descriptors (requires root privileges)", uwsgi_opt_set_int, &uwsgi.requested_max_fd, 0},
{"logto", required_argument, 0, "set logfile/udp address", uwsgi_opt_set_str, &uwsgi.logfile, 0},
{"logto2", required_argument, 0, "log to specified file or udp address after privileges drop", uwsgi_opt_set_str, &uwsgi.logto2, 0},
{"logfile-chown", no_argument, 0, "chown logfiles", uwsgi_opt_true, &uwsgi.logfile_chown, 0},
{"logfile-chmod", required_argument, 0, "chmod logfiles", uwsgi_opt_logfile_chmod, NULL, 0},
{"log-syslog", optional_argument, 0, "log to syslog", uwsgi_opt_set_logger, "syslog", UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
{"log-socket", required_argument, 0, "send logs to the specified socket", uwsgi_opt_set_logger, "socket", UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
{"logger", required_argument, 0, "set logger system", uwsgi_opt_set_logger, NULL, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
{"threaded-logger", no_argument, 0, "offload log writing to a thread", uwsgi_opt_true, &uwsgi.threaded_logger, UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
#ifdef UWSGI_ZEROMQ
{"log-zeromq", required_argument, 0, "send logs to a zeromq server", uwsgi_opt_set_logger, "zeromq", UWSGI_OPT_MASTER | UWSGI_OPT_LOG_MASTER},
#endif
{"log-master", no_argument, 0, "delegate logging to master process", uwsgi_opt_true, &uwsgi.log_master, 0},
{"log-master-bufsize", required_argument, 0, "set the buffer size for the master logger. bigger log messages will be truncated", uwsgi_opt_set_64bit, &uwsgi.log_master_bufsize, 0},
{"log-reopen", no_argument, 0, "reopen log after reload", uwsgi_opt_true, &uwsgi.log_reopen, 0},
{"log-truncate", no_argument, 0, "truncate log on startup", uwsgi_opt_true, &uwsgi.log_truncate, 0},
{"log-maxsize", required_argument, 0, "set maximum logfile size", uwsgi_opt_set_int, &uwsgi.log_maxsize, UWSGI_OPT_LOG_MASTER},
{"log-backupname", required_argument, 0, "set logfile name after rotation", uwsgi_opt_set_str, &uwsgi.log_backupname, 0},
{"logdate", optional_argument, 0, "prefix logs with date or a strftime string", uwsgi_opt_log_date, NULL, 0},
{"log-date", optional_argument, 0, "prefix logs with date or a strftime string", uwsgi_opt_log_date, NULL, 0},
{"log-prefix", optional_argument, 0, "prefix logs with a string", uwsgi_opt_log_date, NULL, 0},
{"log-zero", no_argument, 0, "log responses without body", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_LOG_ZERO, 0},
{"log-slow", required_argument, 0, "log requests slower than the specified number of milliseconds", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_LOG_SLOW, 0},
{"log-4xx", no_argument, 0, "log requests with a 4xx response", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_LOG_4xx, 0},
{"log-5xx", no_argument, 0, "log requests with a 5xx response", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_LOG_5xx, 0},
{"log-big", required_argument, 0, "log requestes bigger than the specified size", uwsgi_opt_set_dyn, (void *) UWSGI_OPTION_LOG_BIG, 0},
{"log-sendfile", required_argument, 0, "log sendfile requests", uwsgi_opt_dyn_true, (void *) UWSGI_OPTION_LOG_SENDFILE, 0},
{"log-micros", no_argument, 0, "report response time in microseconds instead of milliseconds", uwsgi_opt_true, &uwsgi.log_micros, 0},
{"log-x-forwarded-for", no_argument, 0, "use the ip from X-Forwarded-For header instead of REMOTE_ADDR", uwsgi_opt_true, &uwsgi.log_x_forwarded_for, 0},
{"master-as-root", no_argument, 0, "leave master process running as root", uwsgi_opt_true, &uwsgi.master_as_root, 0},
{"chdir", required_argument, 0, "chdir to specified directory before apps loading", uwsgi_opt_set_str, &uwsgi.chdir, 0},
{"chdir2", required_argument, 0, "chdir to specified directory after apps loading", uwsgi_opt_set_str, &uwsgi.chdir2, 0},
{"lazy", no_argument, 0, "set lazy mode (load apps in workers instead of master)", uwsgi_opt_true, &uwsgi.lazy, 0},
{"cheap", no_argument, 0, "set cheap mode (spawn workers only after the first request)", uwsgi_opt_true, &uwsgi.cheap, UWSGI_OPT_MASTER},
{"cheaper", required_argument, 0, "set cheaper mode (adaptive process spawning)", uwsgi_opt_set_int, &uwsgi.cheaper_count, UWSGI_OPT_MASTER | UWSGI_OPT_CHEAPER},
{"cheaper-algo", required_argument, 0, "choose to algorithm used for adaptive process spawning)", uwsgi_opt_set_str, &uwsgi.requested_cheaper_algo, UWSGI_OPT_MASTER},
{"cheaper-step", required_argument, 0, "number of additional processes to spawn at each overload", uwsgi_opt_set_int, &uwsgi.cheaper_step, UWSGI_OPT_MASTER | UWSGI_OPT_CHEAPER},
{"cheaper-overload", required_argument, 0, "increase workers after specified overload", uwsgi_opt_set_64bit, &uwsgi.cheaper_overload, UWSGI_OPT_MASTER | UWSGI_OPT_CHEAPER},
{"idle", required_argument, 0, "set idle mode (put uWSGI in cheap mode after inactivity)", uwsgi_opt_set_int, &uwsgi.idle, UWSGI_OPT_MASTER},
{"die-on-idle", no_argument, 0, "shutdown uWSGI when idle", uwsgi_opt_true, &uwsgi.die_on_idle, 0},
{"mount", required_argument, 0, "load application under mountpoint", uwsgi_opt_add_app, NULL, 0},
#ifdef UWSGI_PCRE
{"regexp-mount", required_argument, 0, "load application under a regexp-based mountpoint", uwsgi_opt_add_app, (void *) 1, 0},
#endif
{"grunt", no_argument, 0, "enable grunt mode (in-request fork)", uwsgi_opt_true, &uwsgi.grunt, 0},
{"threads", required_argument, 0, "run each worker in prethreaded mode with the specified number of threads", uwsgi_opt_set_int, &uwsgi.threads, UWSGI_OPT_THREADS},
{"thread-stacksize", required_argument, 0, "set threads stacksize", uwsgi_opt_set_int, &uwsgi.threads_stacksize, UWSGI_OPT_THREADS},
{"threads-stacksize", required_argument, 0, "set threads stacksize", uwsgi_opt_set_int, &uwsgi.threads_stacksize, UWSGI_OPT_THREADS},
{"thread-stack-size", required_argument, 0, "set threads stacksize", uwsgi_opt_set_int, &uwsgi.threads_stacksize, UWSGI_OPT_THREADS},
{"threads-stack-size", required_argument, 0, "set threads stacksize", uwsgi_opt_set_int, &uwsgi.threads_stacksize, UWSGI_OPT_THREADS},
{"vhost", no_argument, 0, "enable virtualhosting mode (based on SERVER_NAME variable)", uwsgi_opt_true, &uwsgi.vhost, 0},
{"vhost-host", no_argument, 0, "enable virtualhosting mode (based on HTTP_HOST variable)", uwsgi_opt_true, &uwsgi.vhost_host, UWSGI_OPT_VHOST},
#ifdef UWSGI_ROUTING
{"route", required_argument, 0, "add a route", uwsgi_opt_add_route, "path_info", 0},
{"route-host", required_argument, 0, "add a route based on Host header", uwsgi_opt_add_route, "http_host", 0},
{"route-uri", required_argument, 0, "add a route based on REQUEST_URI", uwsgi_opt_add_route, "request_uri", 0},
{"route-qs", required_argument, 0, "add a route based on QUERY_STRING", uwsgi_opt_add_route, "query_string", 0},
#endif
{"add-header", required_argument, 0, "automatically add HTTP headers to response", uwsgi_opt_add_string_list, &uwsgi.additional_headers, 0},
{"check-static", required_argument, 0, "check for static files in the specified directory", uwsgi_opt_check_static, NULL, UWSGI_OPT_MIME},
{"check-static-docroot", no_argument, 0, "check for static files in the requested DOCUMENT_ROOT", uwsgi_opt_true, &uwsgi.check_static_docroot, UWSGI_OPT_MIME},
{"static-check", required_argument, 0, "check for static files in the specified directory", uwsgi_opt_check_static, NULL, UWSGI_OPT_MIME},
{"static-map", required_argument, 0, "map mountpoint to static directory (or file)", uwsgi_opt_static_map, &uwsgi.static_maps, UWSGI_OPT_MIME},
{"static-map2", required_argument, 0, "like static-map but completely appending the requested resource to the docroot", uwsgi_opt_static_map, &uwsgi.static_maps2, UWSGI_OPT_MIME},
{"static-skip-ext", required_argument, 0, "skip specified extension from staticfile checks", uwsgi_opt_add_string_list, &uwsgi.static_skip_ext, UWSGI_OPT_MIME},
{"static-index", required_argument, 0, "search for specified file if a directory is requested", uwsgi_opt_add_string_list, &uwsgi.static_index, UWSGI_OPT_MIME},
{"mimefile", required_argument, 0, "set mime types file path (default /etc/mime.types)", uwsgi_opt_add_string_list, &uwsgi.mime_file, UWSGI_OPT_MIME},
{"mime-file", required_argument, 0, "set mime types file path (default /etc/mime.types)", uwsgi_opt_add_string_list, &uwsgi.mime_file, UWSGI_OPT_MIME},
{"static-expires-type", required_argument, 0, "set the Expires header based on content type", uwsgi_opt_add_dyn_dict, &uwsgi.static_expires_type, UWSGI_OPT_MIME},
{"static-expires-type-mtime", required_argument, 0, "set the Expires header based on content type and file mtime", uwsgi_opt_add_dyn_dict, &uwsgi.static_expires_type_mtime, UWSGI_OPT_MIME},
#ifdef UWSGI_PCRE
{"static-expires", required_argument, 0, "set the Expires header based on filename regexp", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires, UWSGI_OPT_MIME},
{"static-expires-mtime", required_argument, 0, "set the Expires header based on filename regexp and file mtime", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires_mtime, UWSGI_OPT_MIME},
{"static-expires-uri", required_argument, 0, "set the Expires header based on REQUEST_URI regexp", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires_uri, UWSGI_OPT_MIME},
{"static-expires-uri-mtime", required_argument, 0, "set the Expires header based on REQUEST_URI regexp and file mtime", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires_uri_mtime, UWSGI_OPT_MIME},
{"static-expires-path-info", required_argument, 0, "set the Expires header based on PATH_INFO regexp", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires_path_info, UWSGI_OPT_MIME},
{"static-expires-path-info-mtime", required_argument, 0, "set the Expires header based on PATH_INFO regexp and file mtime", uwsgi_opt_add_regexp_dyn_dict, &uwsgi.static_expires_path_info_mtime, UWSGI_OPT_MIME},
#endif
{"static-offload-to-thread", required_argument, 0, "offload static file serving to a thread (upto the specified number of threads)", uwsgi_opt_set_int, &uwsgi.static_offload_to_thread, UWSGI_OPT_MIME},
{"file-serve-mode", required_argument, 0, "set static file serving mode", uwsgi_opt_fileserve_mode, NULL, UWSGI_OPT_MIME},
{"fileserve-mode", required_argument, 0, "set static file serving mode", uwsgi_opt_fileserve_mode, NULL, UWSGI_OPT_MIME},
{"check-cache", no_argument, 0, "check for response data in the cache", uwsgi_opt_true, &uwsgi.check_cache, 0},
{"close-on-exec", no_argument, 0, "set close-on-exec on sockets (could be required for spawning processes in requests)", uwsgi_opt_true, &uwsgi.close_on_exec, 0},
{"mode", required_argument, 0, "set uWSGI custom mode", uwsgi_opt_set_str, &uwsgi.mode, 0},
{"env", required_argument, 0, "set environment variable", uwsgi_opt_set_env, NULL, 0},
{"unenv", required_argument, 0, "unset environment variable", uwsgi_opt_unset_env, NULL, 0},
{"vacuum", no_argument, 0, "try to remove all of the generated file/sockets", uwsgi_opt_true, &uwsgi.vacuum, 0},
#ifdef __linux__
{"cgroup", required_argument, 0, "put the processes in the specified cgroup", uwsgi_opt_add_string_list, &uwsgi.cgroup, 0},
{"cgroup-opt", required_argument, 0, "set value in specified cgroup option", uwsgi_opt_add_string_list, &uwsgi.cgroup_opt, 0},
{"namespace", required_argument, 0, "run in a new namespace under the specified rootfs", uwsgi_opt_set_str, &uwsgi.ns, 0},
{"namespace-keep-mount", required_argument, 0, "keep the specified mountpoint in your namespace", uwsgi_opt_add_string_list, &uwsgi.ns_keep_mount, 0},
{"ns", required_argument, 0, "run in a new namespace under the specified rootfs", uwsgi_opt_set_str, &uwsgi.ns, 0},
{"namespace-net", required_argument, 0, "add network namespace", uwsgi_opt_set_str, &uwsgi.ns_net, 0},
{"ns-net", required_argument, 0, "add network namespace", uwsgi_opt_set_str, &uwsgi.ns_net, 0},
#endif
{"reuse-port", no_argument, 0, "enable REUSE_PORT flag on socket (BSD only)", uwsgi_opt_true, &uwsgi.reuse_port, 0},
{"zerg", required_argument, 0, "attach to a zerg server", uwsgi_opt_add_string_list, &uwsgi.zerg_node, 0},
{"zerg-fallback", no_argument, 0, "fallback to normal sockets if the zerg server is not available", uwsgi_opt_true, &uwsgi.zerg_fallback, 0},
{"zerg-server", required_argument, 0, "enable the zerg server on the specified UNIX socket", uwsgi_opt_set_str, &uwsgi.zerg_server, UWSGI_OPT_MASTER},
{"cron", required_argument, 0, "add a cron task", uwsgi_opt_add_cron, NULL, UWSGI_OPT_MASTER},
{"loop", required_argument, 0, "select the uWSGI loop engine", uwsgi_opt_set_str, &uwsgi.loop, 0},
{"worker-exec", required_argument, 0, "run the specified command as worker", uwsgi_opt_set_str, &uwsgi.worker_exec, 0},
{"attach-daemon", required_argument, 0, "attach a command/daemon to the master process (the command has to not go in background)", uwsgi_opt_add_daemon, NULL, UWSGI_OPT_MASTER},
{"plugins", required_argument, 0, "load uWSGI plugins", uwsgi_opt_load_plugin, NULL, UWSGI_OPT_IMMEDIATE},
{"plugin", required_argument, 0, "load uWSGI plugins", uwsgi_opt_load_plugin, NULL, UWSGI_OPT_IMMEDIATE},
{"plugins-dir", required_argument, 0, "add a directory to uWSGI plugin search path", uwsgi_opt_add_string_list, &uwsgi.plugins_dir, UWSGI_OPT_IMMEDIATE},
{"plugin-dir", required_argument, 0, "add a directory to uWSGI plugin search path", uwsgi_opt_add_string_list, &uwsgi.plugins_dir, UWSGI_OPT_IMMEDIATE},
{"autoload", no_argument, 0, "try to automatically load plugins when unknown options are found", uwsgi_opt_true, &uwsgi.autoload, UWSGI_OPT_IMMEDIATE},
{"allowed-modifiers", required_argument, 0, "comma separated list of allowed modifiers", uwsgi_opt_set_str, &uwsgi.allowed_modifiers, 0},
{"remap-modifier", required_argument, 0, "remap request modifier from one id to another", uwsgi_opt_set_str, &uwsgi.remap_modifier, 0},
{"app", required_argument, 0, "*** deprecated ***", uwsgi_opt_deprecated, (void *) "use the more advanced \"mount\" option", 0},
{"dump-options", no_argument, 0, "dump the full list of available options", uwsgi_opt_true, &uwsgi.dump_options, 0},
{"show-config", no_argument, 0, "show the current config reformatted as ini", uwsgi_opt_true, &uwsgi.show_config, 0},
{"print", required_argument, 0, "simple print", uwsgi_opt_print, NULL, 0},
{"cflags", no_argument, 0, "report uWSGI CFLAGS (useful for buildign external plugins)", uwsgi_opt_cflags, NULL, UWSGI_OPT_IMMEDIATE},
{"version", no_argument, 0, "print uWSGI version", uwsgi_opt_print, UWSGI_VERSION, 0},
{0, 0, 0, 0, 0, 0, 0}
};
void show_config(void) {
int i;
fprintf(stdout, "\n;uWSGI instance configuration\n[uwsgi]\n");
for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
if (uwsgi.exported_opts[i]->value) {
fprintf(stdout, "%s = %s\n", uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
}
else {
fprintf(stdout, "%s = true\n", uwsgi.exported_opts[i]->key);
}
}
fprintf(stdout, ";end of configuration\n\n");
}
int uwsgi_manage_custom_option(struct uwsgi_custom_option *uco, char *key, char *value) {
size_t i, count = 1;
size_t value_len = 0;
if (value)
value_len = strlen(value);
off_t pos = 0;
char **opt_argv;
char *tmp_val = NULL, *p = NULL;
if (strcmp(uco->name, key)) {
return 0;
}
// now count the number of args
for (i = 0; i < value_len; i++) {
if (value[i] == ' ') {
count++;
}
}
// allocate a tmp array
opt_argv = uwsgi_calloc(sizeof(char *) * count);
//make a copy of the value;
if (value_len > 0) {
tmp_val = uwsgi_str(value);
// fill the array of options
p = strtok(tmp_val, " ");
while (p) {
opt_argv[pos] = p;
pos++;
p = strtok(NULL, " ");
}
}
else {
// no argument specified
opt_argv[0] = "";
}
#ifdef UWSGI_DEBUG
uwsgi_log("found custom option %s with %d args\n", key, count);
#endif
// now make a copy of the option template
char *tmp_opt = uwsgi_str(uco->value);
// split it
p = strtok(tmp_opt, ";");
while (p) {
char *equal = strchr(p, '=');
if (!equal)
goto clear;
*equal = '\0';
// build the key
char *new_key = uwsgi_str(p);
for (i = 0; i < count; i++) {
char *old_key = new_key;
char *tmp_num = uwsgi_num2str(i + 1);
char *placeholder = uwsgi_concat2((char *) "$", tmp_num);
free(tmp_num);
new_key = uwsgi_substitute(old_key, placeholder, opt_argv[i]);
if (new_key != old_key)
free(old_key);
free(placeholder);
}
// build the value
char *new_value = uwsgi_str(equal + 1);
for (i = 0; i < count; i++) {
char *old_value = new_value;
char *tmp_num = uwsgi_num2str(i + 1);
char *placeholder = uwsgi_concat2((char *) "$", tmp_num);
free(tmp_num);
new_value = uwsgi_substitute(old_value, placeholder, opt_argv[i]);
if (new_value != old_value)
free(old_value);
free(placeholder);
}
// we can ignore its return value
(void) uwsgi_manage_opt(new_key, new_value);
p = strtok(NULL, ";");
}
clear:
free(tmp_val);
free(tmp_opt);
free(opt_argv);
return 1;
}
int uwsgi_manage_opt(char *key, char *value) {
struct uwsgi_option *op = uwsgi.options;
while (op->name) {
if (!strcmp(key, op->name)) {
op->func(key, value, op->data);
return 1;
}
op++;
}
struct uwsgi_custom_option *uco = uwsgi.custom_options;
while (uco) {
if (uwsgi_manage_custom_option(uco, key, value)) {
return 1;
}
uco = uco->next;
}
return 0;
}
void uwsgi_configure() {
int i;
// and now apply the remaining configs
restart:
for (i = 0; i < uwsgi.exported_opts_cnt; i++) {
if (uwsgi.exported_opts[i]->configured)
continue;
uwsgi.dirty_config = 0;
uwsgi.exported_opts[i]->configured = uwsgi_manage_opt(uwsgi.exported_opts[i]->key, uwsgi.exported_opts[i]->value);
if (uwsgi.exported_opts[i]->configured == 0 && uwsgi.autoload) {
uwsgi.dirty_config = uwsgi_try_autoload(uwsgi.exported_opts[i]->key);
}
if (uwsgi.dirty_config)
goto restart;
}
}
void config_magic_table_fill(char *filename, char **magic_table) {
char *tmp = NULL;
magic_table['o'] = filename;
if (filename[0] == '/') {
magic_table['p'] = filename;
}
else {
magic_table['p'] = uwsgi_concat3(uwsgi.cwd, "/", filename);
}
magic_table['s'] = uwsgi_get_last_char(magic_table['p'], '/') + 1;
magic_table['d'] = uwsgi_concat2n(magic_table['p'], magic_table['s'] - magic_table['p'], "", 0);
if (magic_table['d'][strlen(magic_table['d']) - 1] == '/') {
tmp = magic_table['d'] + (strlen(magic_table['d']) - 1);
#ifdef UWSGI_DEBUG
uwsgi_log("tmp = %c\n", *tmp);
#endif
*tmp = 0;
}
if (uwsgi_get_last_char(magic_table['d'], '/'))
magic_table['c'] = uwsgi_get_last_char(magic_table['d'], '/') + 1;
if (tmp)
*tmp = '/';
if (uwsgi_get_last_char(filename, '.'))
magic_table['e'] = uwsgi_get_last_char(filename, '.') + 1;
if (uwsgi_get_last_char(magic_table['s'], '.'))
magic_table['n'] = uwsgi_concat2n(magic_table['s'], uwsgi_get_last_char(magic_table['s'], '.') - magic_table['s'], "", 0);
}
int find_worker_id(pid_t pid) {
int i;
for (i = 1; i <= uwsgi.numproc; i++) {
if (uwsgi.workers[i].pid == pid)
return i;
}
return -1;
}
void warn_pipe() {
struct wsgi_request *wsgi_req = current_wsgi_req();
if (uwsgi.threads < 2 && wsgi_req->uri_len > 0) {
uwsgi_log("SIGPIPE: writing to a closed pipe/socket/fd (probably the client disconnected) on request %.*s (ip %.*s) !!!\n", wsgi_req->uri_len, wsgi_req->uri, wsgi_req->remote_addr_len, wsgi_req->remote_addr);
}
else {
uwsgi_log("SIGPIPE: writing to a closed pipe/socket/fd (probably the client disconnected) !!!\n");
}
}
#ifdef UWSGI_THREADING
// in threading mode we need to use the cancel pthread subsystem
void wait_for_threads() {
int i, ret;
int sudden_death = 0;
pthread_mutex_lock(&uwsgi.six_feet_under_lock);
for (i = 0; i < uwsgi.threads; i++) {
if (!pthread_equal(uwsgi.core[i]->thread_id, pthread_self())) {
if (pthread_cancel(uwsgi.core[i]->thread_id)) {
uwsgi_error("pthread_cancel()\n");
sudden_death = 1;
}
}
}
if (sudden_death)
goto end;
// wait for thread termination
for (i = 0; i < uwsgi.threads; i++) {
if (!pthread_equal(uwsgi.core[i]->thread_id, pthread_self())) {
ret = pthread_join(uwsgi.core[i]->thread_id, NULL);
if (ret) {
uwsgi_log("pthread_join() = %d\n", ret);
}
}
}
end:
pthread_mutex_unlock(&uwsgi.six_feet_under_lock);
}
#endif
void gracefully_kill(int signum) {
uwsgi_log("Gracefully killing worker %d (pid: %d)...\n", uwsgi.mywid, uwsgi.mypid);
uwsgi.workers[uwsgi.mywid].manage_next_request = 0;
#ifdef UWSGI_THREADING
if (uwsgi.threads > 1) {
struct wsgi_request *wsgi_req = current_wsgi_req();
wait_for_threads();
if (!uwsgi.core[wsgi_req->async_id]->in_request) {
exit(UWSGI_RELOAD_CODE);
}
return;
// never here
}
#endif
// still not found a way to gracefully reload in async mode
if (uwsgi.async > 1) {
exit(UWSGI_RELOAD_CODE);
}
if (!uwsgi.core[0]->in_request) {
exit(UWSGI_RELOAD_CODE);
}
}
void end_me(int signum) {
exit(UWSGI_END_CODE);
}
void goodbye_cruel_world() {
#ifdef UWSGI_THREADING
if (uwsgi.threads > 1 && !uwsgi.to_hell) {
wait_for_threads();
}
#endif
uwsgi.workers[uwsgi.mywid].manage_next_request = 0;
uwsgi_log("...The work of process %d is done. Seeya!\n", getpid());
exit(0);
}
#ifdef UWSGI_SPOOLER
static void uwsgi_signal_spoolers(int signum) {
struct uwsgi_spooler *uspool = uwsgi.spoolers;
while (uspool) {
if (uspool->pid > 0) {
kill(uspool->pid, SIGKILL);
uwsgi_log("killing the spooler with pid %d\n", uspool->pid);
}
uspool = uspool->next;
}
}
#endif
void kill_them_all(int signum) {
int i;
if (uwsgi.to_hell == 1)
return;
uwsgi.to_hell = 1;
if (uwsgi.reload_mercy > 0) {
uwsgi.master_mercy = time(NULL) + uwsgi.reload_mercy;
}
else {
uwsgi.master_mercy = time(NULL) + 5;
}
uwsgi_log("SIGINT/SIGQUIT received...killing workers...\n");
// unsubscribe if needed
struct uwsgi_string_list *subscriptions = uwsgi.subscriptions;
while (subscriptions) {
uwsgi_log("unsubscribing from %s\n", subscriptions->value);
uwsgi_subscribe(subscriptions->value, 1);
subscriptions = subscriptions->next;
}
for (i = 1; i <= uwsgi.numproc; i++) {
if (uwsgi.workers[i].pid > 0)
kill(uwsgi.workers[i].pid, SIGINT);
}
#ifdef UWSGI_SPOOLER
uwsgi_signal_spoolers(SIGKILL);
#endif
if (uwsgi.emperor_pid >= 0) {
kill(uwsgi.emperor_pid, SIGKILL);
waitpid(uwsgi.emperor_pid, &i, 0);
uwsgi_log("killing the emperor with pid %d\n", uwsgi.emperor_pid);
}
struct uwsgi_daemon *ud = uwsgi.daemons;
while (ud) {
if (ud->pid > 0)
kill(-ud->pid, SIGKILL);
ud = ud->next;
}
for (i = 0; i < ushared->gateways_cnt; i++) {
if (ushared->gateways[i].pid > 0)
kill(ushared->gateways[i].pid, SIGKILL);
}
for (i = 0; i < uwsgi.mules_cnt; i++) {
if (uwsgi.mules[i].pid > 0)
kill(uwsgi.mules[i].pid, SIGKILL);
}
}
void grace_them_all(int signum) {
int i;
int waitpid_status;
if (uwsgi.to_heaven == 1 || uwsgi.to_outworld == 1 || uwsgi.lazy_respawned > 0)
return;
if (!uwsgi.lazy)
uwsgi.to_heaven = 1;
else
uwsgi.to_outworld = 1;
if (uwsgi.reload_mercy > 0) {
uwsgi.master_mercy = time(NULL) + uwsgi.reload_mercy;
}
else {
// wait max 60 seconds for graceful reload
uwsgi.master_mercy = time(NULL) + 60;
}
#ifdef UWSGI_SPOOLER
uwsgi_signal_spoolers(SIGKILL);
#endif
if (uwsgi.emperor_pid >= 0) {
kill(uwsgi.emperor_pid, SIGKILL);
waitpid(uwsgi.emperor_pid, &i, 0);
uwsgi_log("killing the emperor with pid %d\n", uwsgi.emperor_pid);
}
struct uwsgi_daemon *ud = uwsgi.daemons;
while (ud) {
if (ud->pid > 0)
kill(-ud->pid, SIGKILL);
ud = ud->next;
}
for (i = 0; i < ushared->gateways_cnt; i++) {
if (ushared->gateways[i].pid > 0)
kill(ushared->gateways[i].pid, SIGKILL);
}
for (i = 0; i < uwsgi.mules_cnt; i++) {
if (uwsgi.mules[i].pid > 0)
kill(uwsgi.mules[i].pid, SIGKILL);
}
uwsgi_log("...gracefully killing workers...\n");
if (uwsgi.unsubscribe_on_graceful_reload) {
struct uwsgi_string_list *subscriptions = uwsgi.subscriptions;
while (subscriptions) {
uwsgi_log("unsubscribing from %s\n", subscriptions->value);
uwsgi_subscribe(subscriptions->value, 1);
subscriptions = subscriptions->next;
}
}
for (i = 1; i <= uwsgi.numproc; i++) {
if (uwsgi.auto_snapshot) {
if (uwsgi.workers[i].snapshot > 0) {
kill(uwsgi.workers[i].snapshot, SIGKILL);
if (waitpid(uwsgi.workers[i].snapshot, &waitpid_status, 0) < 0) {
uwsgi_error("waitpid()");
}
}
if (uwsgi.workers[i].pid > 0) {
if (uwsgi.auto_snapshot > 0 && i > uwsgi.auto_snapshot) {
uwsgi.workers[i].snapshot = 0;
uwsgi.workers[i].destroy = 1;
kill(uwsgi.workers[i].pid, SIGHUP);
}
else {
uwsgi.workers[i].snapshot = uwsgi.workers[i].pid;
kill(uwsgi.workers[i].pid, SIGURG);
uwsgi.lazy_respawned++;
}
}
}
else if (uwsgi.workers[i].pid > 0) {
if (uwsgi.lazy)
uwsgi.workers[i].destroy = 1;
kill(uwsgi.workers[i].pid, SIGHUP);
}
}
if (uwsgi.auto_snapshot) {
uwsgi.respawn_workers = uwsgi.numproc-uwsgi.auto_snapshot;
if (!uwsgi.respawn_workers) uwsgi.respawn_workers = 1;
}
}
void uwsgi_nuclear_blast() {
if (!uwsgi.workers) {
reap_them_all(0);
}
else if (uwsgi.master_process) {
if (getpid() == uwsgi.workers[0].pid) {
reap_them_all(0);
}
}
exit(1);
}
void reap_them_all(int signum) {
int i;
// avoid reace condition in lazy mode
if (uwsgi.to_outworld == 1 || uwsgi.lazy_respawned > 0)
return;
if (!uwsgi.lazy)
uwsgi.to_heaven = 1;
else
uwsgi.to_outworld = 1;
struct uwsgi_daemon *ud = uwsgi.daemons;
while (ud) {
if (ud->pid > 0)
kill(-ud->pid, SIGKILL);
ud = ud->next;
}
for (i = 0; i < ushared->gateways_cnt; i++) {
if (ushared->gateways[i].pid > 0)
kill(ushared->gateways[i].pid, SIGKILL);
}
for (i = 0; i < uwsgi.mules_cnt; i++) {
if (!uwsgi.mules)
break;
if (uwsgi.mules[i].pid > 0)
kill(uwsgi.mules[i].pid, SIGKILL);
}
if (uwsgi.emperor_pid >= 0) {
kill(uwsgi.emperor_pid, SIGKILL);
waitpid(uwsgi.emperor_pid, &i, 0);
uwsgi_log("killing the emperor with pid %d\n", uwsgi.emperor_pid);
}
if (!uwsgi.workers)
return;
uwsgi_log("...brutally killing workers...\n");
// unsubscribe if needed
struct uwsgi_string_list *subscriptions = uwsgi.subscriptions;
while (subscriptions) {
uwsgi_log("unsubscribing from %s\n", subscriptions->value);
uwsgi_subscribe(subscriptions->value, 1);
subscriptions = subscriptions->next;
}
for (i = 1; i <= uwsgi.numproc; i++) {
if (uwsgi.workers[i].pid > 0)
kill(uwsgi.workers[i].pid, SIGTERM);
}
}
void harakiri() {
uwsgi_log("\nF*CK !!! i must kill myself (pid: %d app_id: %d)...\n", uwsgi.mypid, uwsgi.wsgi_req->app_id);
if (!uwsgi.master_process) {
uwsgi_log("*** if you want your workers to be automatically respawned consider enabling the uWSGI master process ***\n");
}
exit(0);
}
void snapshot_me(int signum) {
// wakeup !!!
if (uwsgi.snapshot) {
uwsgi.snapshot = 0;
uwsgi_set_processname(uwsgi.workers[uwsgi.mywid].name);
return;
}
uwsgi.workers[uwsgi.mywid].manage_next_request = 0;
#ifdef UWSGI_THREADING
if (uwsgi.threads > 1) {
wait_for_threads();
}
#endif
uwsgi.snapshot = 1;