static void eventer_ports_impl_add(eventer_t e) {
mtevAssert(e->mask);
ev_lock_state_t lockstate;
const char *cbname;
cbname = eventer_name_for_callback_e(e->callback, e);
if(e->mask & EVENTER_ASYNCH) {
mtevL(eventer_deb, "debug: eventer_add asynch (%s)\n", cbname ? cbname : "???");
eventer_add_asynch(NULL, e);
return;
}
/* Recurrent delegation */
if(e->mask & EVENTER_RECURRENT) {
mtevL(eventer_deb, "debug: eventer_add recurrent (%s)\n", cbname ? cbname : "???");
eventer_add_recurrent(e);
return;
}
/* Timed events are simple */
if(e->mask & EVENTER_TIMER) {
eventer_add_timed(e);
return;
}
/* file descriptor event */
mtevL(eventer_deb, "debug: eventer_add fd (%s,%d,0x%04x)\n", cbname ? cbname : "???", e->fd, e->mask);
lockstate = acquire_master_fd(e->fd);
mtevAssert(e->whence.tv_sec == 0 && e->whence.tv_usec == 0);
master_fds[e->fd].e = e;
alter_fd(e, e->mask);
release_master_fd(e->fd, lockstate);
}
int noit_watchdog_child_eventer_heartbeat() {
eventer_t e;
assert(__eventer);
/* Setup our hearbeat */
e = eventer_alloc();
e->mask = EVENTER_RECURRENT;
e->callback = watchdog_tick;
eventer_add_recurrent(e);
return 0;
}
static void eventer_epoll_impl_add(eventer_t e) {
int rv;
struct epoll_spec *spec;
struct epoll_event _ev;
ev_lock_state_t lockstate;
mtevAssert(e->mask);
if(e->mask & EVENTER_ASYNCH) {
eventer_add_asynch(NULL, e);
return;
}
/* Recurrent delegation */
if(e->mask & EVENTER_RECURRENT) {
eventer_add_recurrent(e);
return;
}
/* Timed events are simple */
if(e->mask & EVENTER_TIMER) {
eventer_add_timed(e);
return;
}
spec = eventer_get_spec_for_event(e);
/* file descriptor event */
mtevAssert(e->whence.tv_sec == 0 && e->whence.tv_usec == 0);
memset(&_ev, 0, sizeof(_ev));
_ev.data.fd = e->fd;
if(e->mask & EVENTER_READ) _ev.events |= (EPOLLIN|EPOLLPRI);
if(e->mask & EVENTER_WRITE) _ev.events |= (EPOLLOUT);
if(e->mask & EVENTER_EXCEPTION) _ev.events |= (EPOLLERR|EPOLLHUP);
lockstate = acquire_master_fd(e->fd);
master_fds[e->fd].e = e;
mtevL(eventer_deb, "epoll_ctl(%d, add, %d)\n", spec->epoll_fd, e->fd);
rv = epoll_ctl(spec->epoll_fd, EPOLL_CTL_ADD, e->fd, &_ev);
if(rv != 0) {
mtevFatal(mtev_error, "epoll_ctl(%d,add,%d,%x) -> %d (%d: %s)\n",
spec->epoll_fd, e->fd, e->mask, rv, errno, strerror(errno));
}
release_master_fd(e->fd, lockstate);
}
static void eventer_kqueue_impl_add(eventer_t e) {
mtevAssert(e->mask);
mtevAssert(eventer_is_loop(e->thr_owner) >= 0);
ev_lock_state_t lockstate;
const char *cbname;
cbname = eventer_name_for_callback_e(e->callback, e);
if(e->mask & EVENTER_ASYNCH) {
mtevL(eventer_deb, "debug: eventer_add asynch (%s)\n", cbname ? cbname : "???");
eventer_add_asynch(NULL, e);
return;
}
/* Recurrent delegation */
if(e->mask & EVENTER_RECURRENT) {
mtevL(eventer_deb, "debug: eventer_add recurrent (%s)\n", cbname ? cbname : "???");
eventer_add_recurrent(e);
return;
}
/* Timed events are simple */
if(e->mask & EVENTER_TIMER) {
eventer_add_timed(e);
return;
}
/* file descriptor event */
mtevL(eventer_deb, "debug: eventer_add fd (%s,%d,0x%04x)\n", cbname ? cbname : "???", e->fd, e->mask);
mtevAssert(e->whence.tv_sec == 0 && e->whence.tv_usec == 0);
lockstate = acquire_master_fd(e->fd);
master_fds[e->fd].e = e;
if(e->mask & (EVENTER_READ | EVENTER_EXCEPTION))
ke_change(e->fd, EVFILT_READ, EV_ADD | EV_ENABLE, e);
if(e->mask & (EVENTER_WRITE))
ke_change(e->fd, EVFILT_WRITE, EV_ADD | EV_ENABLE, e);
release_master_fd(e->fd, lockstate);
}
static void eventer_epoll_impl_add(eventer_t e) {
struct epoll_event _ev;
ev_lock_state_t lockstate;
assert(e->mask);
if(e->mask & EVENTER_ASYNCH) {
eventer_add_asynch(NULL, e);
return;
}
/* Recurrent delegation */
if(e->mask & EVENTER_RECURRENT) {
eventer_add_recurrent(e);
return;
}
/* Timed events are simple */
if(e->mask & EVENTER_TIMER) {
eventer_add_timed(e);
return;
}
/* file descriptor event */
assert(e->whence.tv_sec == 0 && e->whence.tv_usec == 0);
memset(&_ev, 0, sizeof(_ev));
_ev.data.fd = e->fd;
if(e->mask & EVENTER_READ) _ev.events |= (EPOLLIN|EPOLLPRI);
if(e->mask & EVENTER_WRITE) _ev.events |= (EPOLLOUT);
if(e->mask & EVENTER_EXCEPTION) _ev.events |= (EPOLLERR|EPOLLHUP);
lockstate = acquire_master_fd(e->fd);
master_fds[e->fd].e = e;
assert(epoll_ctl(epoll_fd, EPOLL_CTL_ADD, e->fd, &_ev) == 0);
release_master_fd(e->fd, lockstate);
}
static int child_main() {
eventer_t e;
/* Load our config...
* to ensure it is current w.r.t. to this child starting */
if(noit_conf_load(config_file) == -1) {
noitL(noit_error, "Cannot load config: '%s'\n", config_file);
exit(2);
}
noit_log_reopen_all();
signal(SIGHUP, request_conf_reload);
/* initialize the eventer */
if(eventer_init() == -1) {
noitL(noit_stderr, "Cannot initialize eventer\n");
exit(-1);
}
/* rotation init requires, eventer_init() */
noit_conf_log_init_rotate(APPNAME, noit_false);
/* Setup our heartbeat */
noit_watchdog_child_eventer_heartbeat();
e = eventer_alloc();
e->mask = EVENTER_RECURRENT;
e->callback = noitice_hup;
eventer_add_recurrent(e);
/* Initialize all of our listeners */
noit_console_init(APPNAME);
noit_console_conf_init();
noit_console_conf_checks_init();
noit_capabilities_listener_init();
noit_jlog_listener_init();
noit_http_rest_init();
noit_check_rest_init();
noit_filters_rest_init();
noit_livestream_listener_init();
noit_module_init();
if(strict_module_load && noit_module_load_failures() > 0) {
noitL(noit_stderr, "Failed to load some modules and -M given.\n");
exit(2);
}
/* Drop privileges */
if(chrootpath && noit_security_chroot(chrootpath)) {
noitL(noit_stderr, "Failed to chroot(), exiting.\n");
exit(2);
}
if(noit_security_usergroup(droptouser, droptogroup, noit_false)) {
noitL(noit_stderr, "Failed to drop privileges, exiting.\n");
exit(2);
}
/* Prepare for launch... */
noit_filters_init();
noit_poller_init();
noit_listener_init(APPNAME);
/* Write our log out, and setup a watchdog to write it out on change. */
noit_conf_write_log(NULL);
noit_conf_coalesce_changes(10); /* 10 seconds of no changes before we write */
noit_conf_watch_and_journal_watchdog(noit_conf_write_log, NULL);
eventer_loop();
return 0;
}
