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-rw-r--r--src/event/ngx_event.c102
-rw-r--r--src/event/ngx_event.h3
-rw-r--r--src/event/ngx_event_accept.c7
-rw-r--r--src/event/ngx_event_openssl.c14
-rw-r--r--src/event/ngx_event_openssl.h9
5 files changed, 80 insertions, 55 deletions
diff --git a/src/event/ngx_event.c b/src/event/ngx_event.c
index f3b19a790..7a4d7594e 100644
--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -31,7 +31,6 @@ static char *ngx_event_debug_connection(ngx_conf_t *cf, ngx_command_t *cmd,
static void *ngx_event_create_conf(ngx_cycle_t *cycle);
static char *ngx_event_init_conf(ngx_cycle_t *cycle, void *conf);
-static char *ngx_accept_mutex_check(ngx_conf_t *cf, void *post, void *data);
static ngx_uint_t ngx_timer_resolution;
@@ -48,7 +47,8 @@ ngx_atomic_t *ngx_connection_counter = &connection_counter;
ngx_atomic_t *ngx_accept_mutex_ptr;
-ngx_atomic_t *ngx_accept_mutex;
+ngx_shmtx_t ngx_accept_mutex;
+ngx_uint_t ngx_use_accept_mutex;
ngx_uint_t ngx_accept_mutex_held;
ngx_msec_t ngx_accept_mutex_delay;
ngx_int_t ngx_accept_disabled;
@@ -112,8 +112,6 @@ ngx_module_t ngx_events_module = {
static ngx_str_t event_core_name = ngx_string("event_core");
-static ngx_conf_post_t ngx_accept_mutex_post = { ngx_accept_mutex_check } ;
-
static ngx_command_t ngx_event_core_commands[] = {
@@ -150,7 +148,7 @@ static ngx_command_t ngx_event_core_commands[] = {
ngx_conf_set_flag_slot,
0,
offsetof(ngx_event_conf_t, accept_mutex),
- &ngx_accept_mutex_post },
+ NULL },
{ ngx_string("accept_mutex_delay"),
NGX_EVENT_CONF|NGX_CONF_TAKE1,
@@ -218,7 +216,7 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
#endif
}
- if (ngx_accept_mutex) {
+ if (ngx_use_accept_mutex) {
if (ngx_accept_disabled > 0) {
ngx_accept_disabled--;
@@ -254,7 +252,7 @@ ngx_process_events_and_timers(ngx_cycle_t *cycle)
}
if (ngx_accept_mutex_held) {
- (void) ngx_atomic_cmp_set(ngx_accept_mutex, ngx_pid, 0);
+ ngx_shmtx_unlock(&ngx_accept_mutex);
}
if (delta) {
@@ -415,7 +413,7 @@ ngx_event_module_init(ngx_cycle_t *cycle)
{
void ***cf;
u_char *shared;
- size_t size;
+ size_t size, cl;
ngx_event_conf_t *ecf;
ngx_core_conf_t *ccf;
ngx_shm_t shm;
@@ -465,24 +463,41 @@ ngx_event_module_init(ngx_cycle_t *cycle)
#endif /* !(NGX_WIN32) */
- if (ccf->master == 0 || ngx_accept_mutex_ptr) {
+ if (ccf->master == 0) {
return NGX_OK;
}
- /* TODO: adjust cache line size, 128 is P4 cache line size */
+ if (ngx_accept_mutex_ptr) {
+
+ /* reinit ngx_accept_mutex */
- size = 128 /* ngx_accept_mutex */
- + 128; /* ngx_connection_counter */
+ if (ngx_shmtx_create(&ngx_accept_mutex, (void *) ngx_accept_mutex_ptr,
+ ccf->lock_file.data, cycle->log)
+ != NGX_OK)
+ {
+ return NGX_ERROR;
+ }
+
+ return NGX_OK;
+ }
+
+
+ /* cl should be equal or bigger than cache line size */
+
+ cl = 128;
+
+ size = cl /* ngx_accept_mutex */
+ + cl; /* ngx_connection_counter */
#if (NGX_STAT_STUB)
- size += 128 /* ngx_stat_accepted */
- + 128 /* ngx_stat_handled */
- + 128 /* ngx_stat_requests */
- + 128 /* ngx_stat_active */
- + 128 /* ngx_stat_reading */
- + 128; /* ngx_stat_writing */
+ size += cl /* ngx_stat_accepted */
+ + cl /* ngx_stat_handled */
+ + cl /* ngx_stat_requests */
+ + cl /* ngx_stat_active */
+ + cl /* ngx_stat_reading */
+ + cl; /* ngx_stat_writing */
#endif
@@ -496,16 +511,24 @@ ngx_event_module_init(ngx_cycle_t *cycle)
shared = shm.addr;
ngx_accept_mutex_ptr = (ngx_atomic_t *) shared;
- ngx_connection_counter = (ngx_atomic_t *) (shared + 1 * 128);
+
+ if (ngx_shmtx_create(&ngx_accept_mutex, shared, ccf->lock_file.data,
+ cycle->log)
+ != NGX_OK)
+ {
+ return NGX_ERROR;
+ }
+
+ ngx_connection_counter = (ngx_atomic_t *) (shared + 1 * cl);
#if (NGX_STAT_STUB)
- ngx_stat_accepted = (ngx_atomic_t *) (shared + 2 * 128);
- ngx_stat_handled = (ngx_atomic_t *) (shared + 3 * 128);
- ngx_stat_requests = (ngx_atomic_t *) (shared + 4 * 128);
- ngx_stat_active = (ngx_atomic_t *) (shared + 5 * 128);
- ngx_stat_reading = (ngx_atomic_t *) (shared + 6 * 128);
- ngx_stat_writing = (ngx_atomic_t *) (shared + 7 * 128);
+ ngx_stat_accepted = (ngx_atomic_t *) (shared + 2 * cl);
+ ngx_stat_handled = (ngx_atomic_t *) (shared + 3 * cl);
+ ngx_stat_requests = (ngx_atomic_t *) (shared + 4 * cl);
+ ngx_stat_active = (ngx_atomic_t *) (shared + 5 * cl);
+ ngx_stat_reading = (ngx_atomic_t *) (shared + 6 * cl);
+ ngx_stat_writing = (ngx_atomic_t *) (shared + 7 * cl);
#endif
@@ -557,11 +580,13 @@ ngx_event_process_init(ngx_cycle_t *cycle)
ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
ecf = ngx_event_get_conf(cycle->conf_ctx, ngx_event_core_module);
- if (ngx_accept_mutex_ptr && ccf->worker_processes > 1 && ecf->accept_mutex)
- {
- ngx_accept_mutex = ngx_accept_mutex_ptr;
+ if (ccf->worker_processes > 1 && ecf->accept_mutex) {
+ ngx_use_accept_mutex = 1;
ngx_accept_mutex_held = 0;
ngx_accept_mutex_delay = ecf->accept_mutex_delay;
+
+ } else {
+ ngx_use_accept_mutex = 0;
}
#if (NGX_THREADS)
@@ -775,7 +800,7 @@ ngx_event_process_init(ngx_cycle_t *cycle)
rev->handler = ngx_event_accept;
- if (ngx_accept_mutex) {
+ if (ngx_use_accept_mutex) {
continue;
}
@@ -1221,22 +1246,3 @@ ngx_event_init_conf(ngx_cycle_t *cycle, void *conf)
#endif
}
-
-
-static char *
-ngx_accept_mutex_check(ngx_conf_t *cf, void *post, void *data)
-{
-#if !(NGX_HAVE_ATOMIC_OPS)
-
- ngx_flag_t *fp = data;
-
- *fp = 0;
-
- ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "\"accept_mutex\" is not supported on this platform, "
- "ignored");
-
-#endif
-
- return NGX_CONF_OK;
-}
diff --git a/src/event/ngx_event.h b/src/event/ngx_event.h
index be943ae4d..25f41896a 100644
--- a/src/event/ngx_event.h
+++ b/src/event/ngx_event.h
@@ -438,7 +438,8 @@ typedef struct {
extern ngx_atomic_t *ngx_connection_counter;
extern ngx_atomic_t *ngx_accept_mutex_ptr;
-extern ngx_atomic_t *ngx_accept_mutex;
+extern ngx_shmtx_t ngx_accept_mutex;
+extern ngx_uint_t ngx_use_accept_mutex;
extern ngx_uint_t ngx_accept_mutex_held;
extern ngx_msec_t ngx_accept_mutex_delay;
extern ngx_int_t ngx_accept_disabled;
diff --git a/src/event/ngx_event_accept.c b/src/event/ngx_event_accept.c
index afb1a1f3b..875c45d0e 100644
--- a/src/event/ngx_event_accept.c
+++ b/src/event/ngx_event_accept.c
@@ -259,9 +259,8 @@ ngx_event_accept(ngx_event_t *ev)
ngx_int_t
ngx_trylock_accept_mutex(ngx_cycle_t *cycle)
{
- if (*ngx_accept_mutex == 0
- && ngx_atomic_cmp_set(ngx_accept_mutex, 0, ngx_pid))
- {
+ if (ngx_shmtx_trylock(&ngx_accept_mutex)) {
+
ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
"accept mutex locked");
@@ -271,7 +270,7 @@ ngx_trylock_accept_mutex(ngx_cycle_t *cycle)
}
if (ngx_enable_accept_events(cycle) == NGX_ERROR) {
- *ngx_accept_mutex = 0;
+ ngx_shmtx_unlock(&ngx_accept_mutex);
return NGX_ERROR;
}
diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 5a724af26..3a7835ef6 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -1009,6 +1009,20 @@ ngx_ssl_cleanup_ctx(void *data)
}
+u_char *
+ngx_ssl_get_protocol(ngx_connection_t *c)
+{
+ return (u_char *) SSL_get_version(c->ssl->connection);
+}
+
+
+u_char *
+ngx_ssl_get_cipher_name(ngx_connection_t *c)
+{
+ return (u_char *) SSL_get_cipher_name(c->ssl->connection);
+}
+
+
static void *
ngx_openssl_create_conf(ngx_cycle_t *cycle)
{
diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
index 66edc523e..82bfa139f 100644
--- a/src/event/ngx_event_openssl.h
+++ b/src/event/ngx_event_openssl.h
@@ -69,8 +69,13 @@ ngx_int_t ngx_ssl_create_connection(ngx_ssl_t *ssl, ngx_connection_t *c,
ngx_uint_t flags);
ngx_int_t ngx_ssl_set_session(ngx_connection_t *c, ngx_ssl_session_t *session);
-#define ngx_ssl_get_session(c) SSL_get1_session(c->ssl->connection)
-#define ngx_ssl_free_session SSL_SESSION_free
+#define ngx_ssl_get_session(c) SSL_get1_session(c->ssl->connection)
+#define ngx_ssl_free_session SSL_SESSION_free
+
+
+u_char *ngx_ssl_get_protocol(ngx_connection_t *c);
+u_char *ngx_ssl_get_cipher_name(ngx_connection_t *c);
+
ngx_int_t ngx_ssl_handshake(ngx_connection_t *c);
ssize_t ngx_ssl_recv(ngx_connection_t *c, u_char *buf, size_t size);