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nginx-0.0.3-2004-04-15-19:34:36 import

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This commit is contained in:
Igor Sysoev 2004-04-15 15:34:36 +00:00
parent cccc552894
commit 68df19d33a
13 changed files with 358 additions and 70 deletions
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30
src/core/nginx.c
View File

@ -70,12 +70,14 @@ ngx_module_t ngx_core_module = {
};
ngx_int_t ngx_max_module;
ngx_int_t ngx_max_module;
ngx_int_t ngx_process;
ngx_pid_t ngx_pid;
ngx_pid_t ngx_new_binary;
ngx_int_t ngx_inherited;
ngx_int_t ngx_process;
ngx_pid_t ngx_pid;
ngx_pid_t ngx_new_binary;
ngx_int_t ngx_inherited;
ngx_uint_t ngx_test_config;
int main(int argc, char *const *argv)
@ -125,11 +127,6 @@ int main(int argc, char *const *argv)
return 1;
}
ngx_max_module = 0;
for (i = 0; ngx_modules[i]; i++) {
ngx_modules[i]->index = ngx_max_module++;
}
if (!(init_cycle.pool = ngx_create_pool(1024, log))) {
return 1;
}
@ -138,11 +135,20 @@ int main(int argc, char *const *argv)
return 1;
}
ngx_max_module = 0;
for (i = 0; ngx_modules[i]; i++) {
ngx_modules[i]->index = ngx_max_module++;
}
cycle = ngx_init_cycle(&init_cycle);
if (cycle == NULL) {
return 1;
}
if (ngx_test_config) {
return 0;
}
ngx_cycle = cycle;
ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
@ -276,6 +282,10 @@ static ngx_int_t ngx_getopt(ngx_master_ctx_t *ctx, ngx_cycle_t *cycle)
switch (ctx->argv[i][1]) {
case 't':
ngx_test_config = 1;
break;
case 'c':
if (ctx->argv[i + 1] == NULL) {
ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,

12
src/core/ngx_connection.c
View File

@ -228,7 +228,17 @@ void ngx_close_listening_sockets(ngx_cycle_t *cycle)
fd /= 4;
#endif
ngx_del_event(&cycle->read_events[fd], NGX_READ_EVENT, NGX_CLOSE_EVENT);
if (ngx_event_flags & NGX_USE_SIGIO_EVENT) {
if (cycle->connections[fd].read->active) {
ngx_del_conn(&cycle->connections[fd], NGX_CLOSE_EVENT);
}
} else {
if (cycle->read_events[fd].active) {
ngx_del_event(&cycle->read_events[fd],
NGX_READ_EVENT, NGX_CLOSE_EVENT);
}
}
if (ngx_close_socket(ls[i].fd) == -1) {
ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,

16
src/core/ngx_cycle.c
View File

@ -23,7 +23,7 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle)
{
void *rv;
ngx_uint_t i, n, failed;
ngx_log_t *log, *new_log;
ngx_log_t *log;
ngx_conf_t conf;
ngx_pool_t *pool;
ngx_cycle_t *cycle, **old;
@ -37,16 +37,14 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle)
if (!(pool = ngx_create_pool(16 * 1024, log))) {
return NULL;
}
pool->log = log;
if (!(cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t)))) {
ngx_destroy_pool(pool);
return NULL;
}
cycle->pool = pool;
pool->log = log;
cycle->log = log;
cycle->old_cycle = old_cycle;
cycle->conf_file = old_cycle->conf_file;
@ -74,7 +72,7 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle)
cycle->open_files.pool = pool;
if (!(new_log = ngx_log_create_errlog(cycle, NULL))) {
if (!(cycle->new_log = ngx_log_create_errlog(cycle, NULL))) {
ngx_destroy_pool(pool);
return NULL;
}
@ -127,19 +125,17 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle)
conf.ctx = cycle->conf_ctx;
conf.cycle = cycle;
/* STUB */ conf.pool = cycle->pool;
conf.pool = pool;
conf.log = log;
conf.module_type = NGX_CORE_MODULE;
conf.cmd_type = NGX_MAIN_CONF;
cycle->log = new_log;
if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
ngx_destroy_pool(pool);
return NULL;
}
cycle->log = log;
for (i = 0; ngx_modules[i]; i++) {
if (ngx_modules[i]->type != NGX_CORE_MODULE) {
@ -208,8 +204,8 @@ ngx_cycle_t *ngx_init_cycle(ngx_cycle_t *old_cycle)
}
}
cycle->log = new_log;
pool->log = new_log;
cycle->log = cycle->new_log;
pool->log = cycle->new_log;
if (!failed) {
if (old_cycle->listening.nelts) {

3
src/core/ngx_cycle.h
View File

@ -9,7 +9,10 @@
struct ngx_cycle_s {
void ****conf_ctx;
ngx_pool_t *pool;
ngx_log_t *log;
ngx_log_t *new_log;
ngx_array_t listening;
ngx_array_t open_files;
ngx_array_t pathes;

34
src/core/ngx_log.c
View File

@ -311,23 +311,6 @@ ngx_log_t *ngx_log_create_errlog(ngx_cycle_t *cycle, ngx_array_t *args)
}
static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_str_t *value;
value = cf->args->elts;
if (value[1].len == 6 && ngx_strcmp(value[1].data, "stderr") == 0) {
cf->cycle->log->file = &ngx_stderr;
} else {
cf->cycle->log->file->name = value[1];
}
return ngx_set_error_log_levels(cf, cf->cycle->log);
}
char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log)
{
ngx_uint_t i, n, d;
@ -379,3 +362,20 @@ char *ngx_set_error_log_levels(ngx_conf_t *cf, ngx_log_t *log)
return NGX_CONF_OK;
}
static char *ngx_set_error_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_str_t *value;
value = cf->args->elts;
if (value[1].len == 6 && ngx_strcmp(value[1].data, "stderr") == 0) {
cf->cycle->new_log->file = &ngx_stderr;
} else {
cf->cycle->new_log->file->name = value[1];
}
return ngx_set_error_log_levels(cf, cf->cycle->new_log);
}

2
src/event/modules/ngx_devpoll_module.c
View File

@ -333,7 +333,7 @@ int ngx_devpoll_process_events(ngx_cycle_t *cycle)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"devpoll expired timer");
ngx_event_expire_timers(0);
ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec);
}
/* NGX_TIMER_INFINITE == INFTIM */

2
src/event/modules/ngx_epoll_module.c
View File

@ -363,7 +363,7 @@ int ngx_epoll_process_events(ngx_cycle_t *cycle)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"epoll expired timer");
ngx_event_expire_timers(0);
ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec);
}
/* NGX_TIMER_INFINITE == INFTIM */

2
src/event/modules/ngx_kqueue_module.c
View File

@ -376,7 +376,7 @@ static ngx_int_t ngx_kqueue_process_events(ngx_cycle_t *cycle)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"kevent expired timer");
ngx_event_expire_timers(0);
ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec);
/* TODO: if ngx_threaded then wake up the worker thread */
}

2
src/event/modules/ngx_poll_module.c
View File

@ -287,7 +287,7 @@ int ngx_poll_process_events(ngx_cycle_t *cycle)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"poll expired timer");
ngx_event_expire_timers(0);
ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec);
}
/* NGX_TIMER_INFINITE == INFTIM */

2
src/event/modules/ngx_rtsig_module.c
View File

@ -214,7 +214,7 @@ int ngx_rtsig_process_events(ngx_cycle_t *cycle)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"rtsig expired timer");
ngx_event_expire_timers(0);
ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec);
}
expire = 1;

2
src/event/modules/ngx_select_module.c
View File

@ -273,7 +273,7 @@ static int ngx_select_process_events(ngx_cycle_t *cycle)
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"select expired timer");
ngx_event_expire_timers(0);
ngx_event_expire_timers(ngx_elapsed_msec - ngx_old_elapsed_msec);
}
ngx_old_elapsed_msec = ngx_elapsed_msec;

16
src/http/modules/proxy/ngx_http_proxy_handler.c
View File

@ -428,18 +428,22 @@ void ngx_http_proxy_check_broken_connection(ngx_event_t *ev)
err = ngx_socket_errno;
/*
* we do not need to disable the write event because
* that event has NGX_USE_CLEAR_EVENT type
*/
if (ev->write && (n >= 0 || err == NGX_EAGAIN)) {
return;
}
if (n > 0) {
if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) {
if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) {
ngx_http_proxy_finalize_request(p,
NGX_HTTP_INTERNAL_SERVER_ERROR);
}
if ((ngx_event_flags & NGX_USE_LEVEL_EVENT) && ev->active) {
if (ngx_del_event(ev, NGX_READ_EVENT, 0) == NGX_ERROR) {
ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
}
}
if (n > 0) {
return;
}

305
src/os/unix/ngx_process_cycle.c
View File

@ -6,6 +6,7 @@
#include <nginx.h>
static void ngx_start_worker_processes(ngx_cycle_y *cycle, ngx_int_t n)
static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data);
#if (NGX_THREADS)
@ -15,21 +16,253 @@ static int ngx_worker_thread_cycle(void *data);
ngx_int_t ngx_process;
ngx_pid_t ngx_pid;
ngx_pid_t ngx_new_binary;
ngx_int_t ngx_inherited;
ngx_int_t ngx_threaded;
sig_atomic_t ngx_reap;
sig_atomic_t ngx_timer;
sig_atomic_t ngx_terminate;
sig_atomic_t ngx_quit;
sig_atomic_t ngx_noaccept;
sig_atomic_t ngx_reconfigure;
sig_atomic_t ngx_reopen;
sig_atomic_t ngx_change_binary;
ngx_pid_t ngx_new_binary;
ngx_int_t ngx_inherited;
sig_atomic_t ngx_noaccept;
ngx_uint_t ngx_noaccepting;
ngx_uint_t ngx_restart;
/* TODO: broken NGX_PROCESS_SINGLE */
void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
{
int signo;
sigset_t set;
struct timeval tv;
struct itimerval itv;
ngx_uint_t i, live;
ngx_msec_t delay;
ngx_core_conf_t *ccf;
sigemptyset(&set);
sigaddset(&set, SIGCHLD);
sigaddset(&set, SIGALRM);
sigaddset(&set, SIGINT);
sigaddset(&set, ngx_signal_value(NGX_RECONFIGURE_SIGNAL));
sigaddset(&set, ngx_signal_value(NGX_REOPEN_SIGNAL));
sigaddset(&set, ngx_signal_value(NGX_NOACCEPT_SIGNAL));
sigaddset(&set, ngx_signal_value(NGX_TERMINATE_SIGNAL));
sigaddset(&set, ngx_signal_value(NGX_SHUTDOWN_SIGNAL));
sigaddset(&set, ngx_signal_value(NGX_CHANGEBIN_SIGNAL));
if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
"sigprocmask() failed");
}
sigemptyset(&set);
ngx_setproctitle("master process");
ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
ngx_start_worker_processes(ccf->worker_processes);
ngx_new_binary = 0;
delay = 0;
signo = 0;
live = 1;
for ( ;; ) {
if (delay) {
delay *= 2;
ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"temination cycle: %d", delay);
itv.it_interval.tv_sec = 0;
itv.it_interval.tv_usec = 0;
itv.it_value.tv_sec = delay / 1000;
itv.it_value.tv_usec = (delay % 1000 ) * 1000;
if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
"setitimer() failed");
}
}
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "sigsuspend");
sigsuspend(&set);
ngx_gettimeofday(&tv);
ngx_time_update(tv.tv_sec);
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "wake up");
if (ngx_reap) {
ngx_reap = 0;
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, "reap childs");
live = 0;
for (i = 0; i < ngx_last_process; i++) {
ngx_log_debug5(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"child: " PID_T_FMT " e:%d t:%d d:%d r:%d",
ngx_processes[i].pid,
ngx_processes[i].exiting,
ngx_processes[i].exited,
ngx_processes[i].detached,
ngx_processes[i].respawn);
if (ngx_processes[i].exited) {
if (ngx_processes[i].respawn
&& !ngx_processes[i].exiting
&& !ngx_terminate
&& !ngx_quit)
{
if (ngx_spawn_process(cycle, ngx_processes[i].proc,
ngx_processes[i].data,
ngx_processes[i].name, i)
== NGX_ERROR)
{
ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
"can not respawn %s",
ngx_processes[i].name);
continue;
}
live = 1;
continue;
}
if (ngx_processes[i].pid == ngx_new_binary) {
ngx_new_binary = 0;
if (ngx_noaccepting) {
ngx_restart = 1;
ngx_noaccepting = 0;
}
}
if (i != --ngx_last_process) {
ngx_processes[i--] = ngx_processes[ngx_last_process];
}
} else if (ngx_processes[i].exiting
|| !ngx_processes[i].detached)
{
live = 1;
}
}
}
if (!live && (ngx_terminate || ngx_quit)) {
ngx_master_exit(cycle, ctx);
}
if (ngx_terminate) {
if (delay == 0) {
delay = 50;
}
if (delay > 1000) {
signo = SIGKILL;
} else {
signo = ngx_signal_value(NGX_TERMINATE_SIGNAL);
}
} else if (ngx_quit) {
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
} else if (ngx_timer) {
ngx_start_worker_processes(ccf->worker_processes);
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
} else if (ngx_reconfigure) {
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reconfiguring");
cycle = ngx_init_cycle(cycle);
if (cycle == NULL) {
cycle = (ngx_cycle_t *) ngx_cycle;
continue;
}
ngx_cycle = cycle;
ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
ngx_core_module);
ngx_start_worker_processes(ccf->worker_processes);
ngx_reconfigure = 0;
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
} else if (ngx_restart) {
ngx_start_worker_processes(ccf->worker_processes);
ngx_restart = 0;
} else if (ngx_reopen) {
if (ngx_process == NGX_PROCESS_MASTER) {
signo = ngx_signal_value(NGX_REOPEN_SIGNAL);
ngx_reopen = 0;
} else { /* NGX_PROCESS_SINGLE */
ngx_reopen = 0;
}
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"reopening logs");
ngx_reopen_files(cycle, ccf->user);
} else if (ngx_change_binary) {
ngx_change_binary = 0;
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"changing binary");
ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv);
} else if (ngx_noaccept) {
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
}
}
if (signo) {
for (i = 0; i < ngx_last_process; i++) {
if (ngx_processes[i].detached) {
continue;
}
ngx_log_debug2(NGX_LOG_DEBUG_CORE, cycle->log, 0,
"kill (" PID_T_FMT ", %d)" ,
ngx_processes[i].pid, signo);
if (kill(ngx_processes[i].pid, signo) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
"kill(%d, %d) failed",
ngx_processes[i].pid, signo);
continue;
}
if (signo != ngx_signal_value(NGX_REOPEN_SIGNAL)) {
ngx_processes[i].exiting = 1;
}
}
signo = 0;
}
}
}
void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
{
@ -238,26 +471,20 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
} else if (ngx_timer) {
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
} else {
} else if (ngx_reconfigure) {
ngx_reconfigure = 0;
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "reconfiguring");
if (ngx_noaccept) {
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
cycle = ngx_init_cycle(cycle);
if (cycle == NULL) {
cycle = (ngx_cycle_t *) ngx_cycle;
continue;
}
if (ngx_change_binary) {
ngx_change_binary = 0;
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"changing binary");
ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv);
}
ngx_cycle = cycle;
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
if (ngx_reconfigure) {
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"reconfiguring");
}
if (ngx_reopen) {
} else if (ngx_reopen) {
if (ngx_process == NGX_PROCESS_MASTER) {
signo = ngx_signal_value(NGX_REOPEN_SIGNAL);
ngx_reopen = 0;
@ -269,6 +496,15 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"reopening logs");
ngx_reopen_files(cycle, ccf->user);
} else if (ngx_change_binary) {
ngx_change_binary = 0;
ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
"changing binary");
ngx_new_binary = ngx_exec_new_binary(cycle, ctx->argv);
} else if (ngx_noaccept) {
signo = ngx_signal_value(NGX_SHUTDOWN_SIGNAL);
}
}
@ -330,6 +566,35 @@ void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
}
static void ngx_start_worker_processes(ngx_cycle_y *cycle, ngx_int_t n)
{
struct itimerval itv;
ngx_log_error(NGX_LOG_INFO, cycle->log, 0, "start worker processes");
while (n--) {
ngx_spawn_process(cycle, ngx_worker_process_cycle, NULL,
"worker process", NGX_PROCESS_RESPAWN);
}
/*
* we have to limit the maximum life time of the worker processes
* by 10 days because our millisecond event timer is limited
* by 24 days on 32-bit platforms
*/
itv.it_interval.tv_sec = 0;
itv.it_interval.tv_usec = 0;
itv.it_value.tv_sec = 10 * 24 * 60 * 60;
itv.it_value.tv_usec = 0;
if (setitimer(ITIMER_REAL, &itv, NULL) == -1) {
ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
"setitimer() failed");
}
}
static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx)
{
ngx_delete_pidfile(cycle);