You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
331 lines
7.2 KiB
331 lines
7.2 KiB
|
|
/*
|
|
* Copyright (C) Roman Arutyunyan
|
|
*/
|
|
|
|
|
|
#include <ngx_config.h>
|
|
#include <ngx_core.h>
|
|
#include "ngx_rtmp.h"
|
|
#include "ngx_rtmp_proxy_protocol.h"
|
|
|
|
|
|
static void ngx_rtmp_close_connection(ngx_connection_t *c);
|
|
static u_char * ngx_rtmp_log_error(ngx_log_t *log, u_char *buf, size_t len);
|
|
|
|
|
|
void
|
|
ngx_rtmp_init_connection(ngx_connection_t *c)
|
|
{
|
|
ngx_uint_t i;
|
|
ngx_rtmp_port_t *port;
|
|
struct sockaddr *sa;
|
|
struct sockaddr_in *sin;
|
|
ngx_rtmp_in_addr_t *addr;
|
|
ngx_rtmp_session_t *s;
|
|
ngx_rtmp_addr_conf_t *addr_conf;
|
|
ngx_int_t unix_socket;
|
|
#if (NGX_HAVE_INET6)
|
|
struct sockaddr_in6 *sin6;
|
|
ngx_rtmp_in6_addr_t *addr6;
|
|
#endif
|
|
|
|
++ngx_rtmp_naccepted;
|
|
|
|
/* find the server configuration for the address:port */
|
|
|
|
/* AF_INET only */
|
|
|
|
port = c->listening->servers;
|
|
unix_socket = 0;
|
|
|
|
if (port->naddrs > 1) {
|
|
|
|
/*
|
|
* There are several addresses on this port and one of them
|
|
* is the "*:port" wildcard so getsockname() is needed to determine
|
|
* the server address.
|
|
*
|
|
* AcceptEx() already gave this address.
|
|
*/
|
|
|
|
if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) {
|
|
ngx_rtmp_close_connection(c);
|
|
return;
|
|
}
|
|
|
|
sa = c->local_sockaddr;
|
|
|
|
switch (sa->sa_family) {
|
|
|
|
#if (NGX_HAVE_INET6)
|
|
case AF_INET6:
|
|
sin6 = (struct sockaddr_in6 *) sa;
|
|
|
|
addr6 = port->addrs;
|
|
|
|
/* the last address is "*" */
|
|
|
|
for (i = 0; i < port->naddrs - 1; i++) {
|
|
if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
addr_conf = &addr6[i].conf;
|
|
|
|
break;
|
|
#endif
|
|
|
|
case AF_UNIX:
|
|
unix_socket = 1;
|
|
/* fall through */
|
|
|
|
default: /* AF_INET */
|
|
sin = (struct sockaddr_in *) sa;
|
|
|
|
addr = port->addrs;
|
|
|
|
/* the last address is "*" */
|
|
|
|
for (i = 0; i < port->naddrs - 1; i++) {
|
|
if (addr[i].addr == sin->sin_addr.s_addr) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
addr_conf = &addr[i].conf;
|
|
|
|
break;
|
|
}
|
|
|
|
} else {
|
|
switch (c->local_sockaddr->sa_family) {
|
|
|
|
#if (NGX_HAVE_INET6)
|
|
case AF_INET6:
|
|
addr6 = port->addrs;
|
|
addr_conf = &addr6[0].conf;
|
|
break;
|
|
#endif
|
|
|
|
case AF_UNIX:
|
|
unix_socket = 1;
|
|
/* fall through */
|
|
|
|
default: /* AF_INET */
|
|
addr = port->addrs;
|
|
addr_conf = &addr[0].conf;
|
|
break;
|
|
}
|
|
}
|
|
|
|
ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client connected '%V'",
|
|
c->number, &c->addr_text);
|
|
|
|
s = ngx_rtmp_init_session(c, addr_conf);
|
|
if (s == NULL) {
|
|
return;
|
|
}
|
|
|
|
/* only auto-pushed connections are
|
|
* done through unix socket */
|
|
|
|
s->auto_pushed = unix_socket;
|
|
|
|
if (addr_conf->proxy_protocol) {
|
|
ngx_rtmp_proxy_protocol(s);
|
|
|
|
} else {
|
|
ngx_rtmp_handshake(s);
|
|
}
|
|
}
|
|
|
|
|
|
ngx_rtmp_session_t *
|
|
ngx_rtmp_init_session(ngx_connection_t *c, ngx_rtmp_addr_conf_t *addr_conf)
|
|
{
|
|
ngx_rtmp_session_t *s;
|
|
ngx_rtmp_core_srv_conf_t *cscf;
|
|
ngx_rtmp_error_log_ctx_t *ctx;
|
|
|
|
s = ngx_pcalloc(c->pool, sizeof(ngx_rtmp_session_t) +
|
|
sizeof(ngx_chain_t *) * ((ngx_rtmp_core_srv_conf_t *)
|
|
addr_conf->ctx-> srv_conf[ngx_rtmp_core_module
|
|
.ctx_index])->out_queue);
|
|
if (s == NULL) {
|
|
ngx_rtmp_close_connection(c);
|
|
return NULL;
|
|
}
|
|
|
|
s->main_conf = addr_conf->ctx->main_conf;
|
|
s->srv_conf = addr_conf->ctx->srv_conf;
|
|
|
|
s->addr_text = &addr_conf->addr_text;
|
|
|
|
c->data = s;
|
|
s->connection = c;
|
|
|
|
ctx = ngx_palloc(c->pool, sizeof(ngx_rtmp_error_log_ctx_t));
|
|
if (ctx == NULL) {
|
|
ngx_rtmp_close_connection(c);
|
|
return NULL;
|
|
}
|
|
|
|
ctx->client = &c->addr_text;
|
|
ctx->session = s;
|
|
|
|
c->log->connection = c->number;
|
|
c->log->handler = ngx_rtmp_log_error;
|
|
c->log->data = ctx;
|
|
c->log->action = NULL;
|
|
|
|
c->log_error = NGX_ERROR_INFO;
|
|
|
|
s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_rtmp_max_module);
|
|
if (s->ctx == NULL) {
|
|
ngx_rtmp_close_connection(c);
|
|
return NULL;
|
|
}
|
|
|
|
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
|
|
|
|
s->out_queue = cscf->out_queue;
|
|
s->out_cork = cscf->out_cork;
|
|
s->in_streams = ngx_pcalloc(c->pool, sizeof(ngx_rtmp_stream_t)
|
|
* cscf->max_streams);
|
|
if (s->in_streams == NULL) {
|
|
ngx_rtmp_close_connection(c);
|
|
return NULL;
|
|
}
|
|
|
|
#if (nginx_version >= 1007005)
|
|
ngx_queue_init(&s->posted_dry_events);
|
|
#endif
|
|
|
|
s->epoch = ngx_current_msec;
|
|
s->timeout = cscf->timeout;
|
|
s->buflen = cscf->buflen;
|
|
ngx_rtmp_set_chunk_size(s, NGX_RTMP_DEFAULT_CHUNK_SIZE);
|
|
|
|
|
|
if (ngx_rtmp_fire_event(s, NGX_RTMP_CONNECT, NULL, NULL) != NGX_OK) {
|
|
ngx_rtmp_finalize_session(s);
|
|
return NULL;
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
|
|
static u_char *
|
|
ngx_rtmp_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
{
|
|
u_char *p;
|
|
ngx_rtmp_session_t *s;
|
|
ngx_rtmp_error_log_ctx_t *ctx;
|
|
|
|
if (log->action) {
|
|
p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
len -= p - buf;
|
|
buf = p;
|
|
}
|
|
|
|
ctx = log->data;
|
|
|
|
p = ngx_snprintf(buf, len, ", client: %V", ctx->client);
|
|
len -= p - buf;
|
|
buf = p;
|
|
|
|
s = ctx->session;
|
|
|
|
if (s == NULL) {
|
|
return p;
|
|
}
|
|
|
|
p = ngx_snprintf(buf, len, ", server: %V", s->addr_text);
|
|
len -= p - buf;
|
|
buf = p;
|
|
|
|
return p;
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_rtmp_close_connection(ngx_connection_t *c)
|
|
{
|
|
ngx_pool_t *pool;
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, c->log, 0, "close connection");
|
|
|
|
#if (NGX_STAT_STUB)
|
|
(void) ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
#endif
|
|
|
|
pool = c->pool;
|
|
ngx_close_connection(c);
|
|
ngx_destroy_pool(pool);
|
|
}
|
|
|
|
|
|
static void
|
|
ngx_rtmp_close_session_handler(ngx_event_t *e)
|
|
{
|
|
ngx_rtmp_session_t *s;
|
|
ngx_connection_t *c;
|
|
ngx_rtmp_core_srv_conf_t *cscf;
|
|
|
|
s = e->data;
|
|
c = s->connection;
|
|
|
|
cscf = ngx_rtmp_get_module_srv_conf(s, ngx_rtmp_core_module);
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, c->log, 0, "close session");
|
|
|
|
ngx_rtmp_fire_event(s, NGX_RTMP_DISCONNECT, NULL, NULL);
|
|
|
|
if (s->ping_evt.timer_set) {
|
|
ngx_del_timer(&s->ping_evt);
|
|
}
|
|
|
|
if (s->in_old_pool) {
|
|
ngx_destroy_pool(s->in_old_pool);
|
|
}
|
|
|
|
if (s->in_pool) {
|
|
ngx_destroy_pool(s->in_pool);
|
|
}
|
|
|
|
ngx_rtmp_free_handshake_buffers(s);
|
|
|
|
while (s->out_pos != s->out_last) {
|
|
ngx_rtmp_free_shared_chain(cscf, s->out[s->out_pos++]);
|
|
s->out_pos %= s->out_queue;
|
|
}
|
|
|
|
ngx_rtmp_close_connection(c);
|
|
}
|
|
|
|
|
|
void
|
|
ngx_rtmp_finalize_session(ngx_rtmp_session_t *s)
|
|
{
|
|
ngx_event_t *e;
|
|
ngx_connection_t *c;
|
|
|
|
c = s->connection;
|
|
if (c->destroyed) {
|
|
return;
|
|
}
|
|
|
|
ngx_log_debug0(NGX_LOG_DEBUG_RTMP, c->log, 0, "finalize session");
|
|
|
|
c->destroyed = 1;
|
|
e = &s->close;
|
|
e->data = s;
|
|
e->handler = ngx_rtmp_close_session_handler;
|
|
e->log = c->log;
|
|
|
|
ngx_post_event(e, &ngx_posted_events);
|
|
}
|
|
|
|
|