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ngx_rtmp.c
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ngx_rtmp.c
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/*
* Copyright (C) Roman Arutyunyan
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <nginx.h>
#include "ngx_rtmp.h"
static char *ngx_rtmp_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static ngx_int_t ngx_rtmp_optimize_servers(ngx_conf_t *cf,
ngx_rtmp_core_main_conf_t *cmcf, ngx_array_t *ports);
static ngx_int_t ngx_rtmp_add_addrs(ngx_conf_t *cf, ngx_rtmp_port_t *mport,
ngx_rtmp_conf_addr_t *addr);
#if (NGX_HAVE_INET6)
static ngx_int_t ngx_rtmp_add_addrs6(ngx_conf_t *cf, ngx_rtmp_port_t *mport,
ngx_rtmp_conf_addr_t *addr);
#endif
static ngx_int_t ngx_rtmp_cmp_conf_addrs(const void *one, const void *two);
static ngx_int_t ngx_rtmp_init_events(ngx_conf_t *cf,
ngx_rtmp_core_main_conf_t *cmcf);
static ngx_int_t ngx_rtmp_init_event_handlers(ngx_conf_t *cf,
ngx_rtmp_core_main_conf_t *cmcf);
static char * ngx_rtmp_merge_applications(ngx_conf_t *cf,
ngx_array_t *applications, void **app_conf, ngx_rtmp_module_t *module,
ngx_uint_t ctx_index);
static ngx_int_t ngx_rtmp_init_process(ngx_cycle_t *cycle);
#if (nginx_version >= 1007011)
ngx_queue_t ngx_rtmp_init_queue;
#elif (nginx_version >= 1007005)
ngx_thread_volatile ngx_queue_t ngx_rtmp_init_queue;
#else
ngx_thread_volatile ngx_event_t *ngx_rtmp_init_queue;
#endif
ngx_uint_t ngx_rtmp_max_module;
static ngx_command_t ngx_rtmp_commands[] = {
{ ngx_string("rtmp"),
NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_rtmp_block,
0,
0,
NULL },
ngx_null_command
};
static ngx_core_module_t ngx_rtmp_module_ctx = {
ngx_string("rtmp"),
NULL,
NULL
};
ngx_module_t ngx_rtmp_module = {
NGX_MODULE_V1,
&ngx_rtmp_module_ctx, /* module context */
ngx_rtmp_commands, /* module directives */
NGX_CORE_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
ngx_rtmp_init_process, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static char *
ngx_rtmp_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
ngx_uint_t m, mi, s;
ngx_conf_t pcf;
ngx_array_t ports;
ngx_module_t **modules;
ngx_rtmp_module_t *module;
ngx_rtmp_conf_ctx_t *ctx;
ngx_rtmp_core_srv_conf_t *cscf, **cscfp;
ngx_rtmp_core_main_conf_t *cmcf;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
*(ngx_rtmp_conf_ctx_t **) conf = ctx;
/* count the number of the rtmp modules and set up their indices */
#if (nginx_version >= 1009011)
ngx_rtmp_max_module = ngx_count_modules(cf->cycle, NGX_RTMP_MODULE);
#else
ngx_rtmp_max_module = 0;
for (m = 0; ngx_modules[m]; m++) {
if (ngx_modules[m]->type != NGX_RTMP_MODULE) {
continue;
}
ngx_modules[m]->ctx_index = ngx_rtmp_max_module++;
}
#endif
/* the rtmp main_conf context, it is the same in the all rtmp contexts */
ctx->main_conf = ngx_pcalloc(cf->pool,
sizeof(void *) * ngx_rtmp_max_module);
if (ctx->main_conf == NULL) {
return NGX_CONF_ERROR;
}
/*
* the rtmp null srv_conf context, it is used to merge
* the server{}s' srv_conf's
*/
ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->srv_conf == NULL) {
return NGX_CONF_ERROR;
}
/*
* the rtmp null app_conf context, it is used to merge
* the server{}s' app_conf's
*/
ctx->app_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->app_conf == NULL) {
return NGX_CONF_ERROR;
}
/*
* create the main_conf's, the null srv_conf's, and the null app_conf's
* of the all rtmp modules
*/
#if (nginx_version >= 1009011)
modules = cf->cycle->modules;
#else
modules = ngx_modules;
#endif
for (m = 0; modules[m]; m++) {
if (modules[m]->type != NGX_RTMP_MODULE) {
continue;
}
module = modules[m]->ctx;
mi = modules[m]->ctx_index;
if (module->create_main_conf) {
ctx->main_conf[mi] = module->create_main_conf(cf);
if (ctx->main_conf[mi] == NULL) {
return NGX_CONF_ERROR;
}
}
if (module->create_srv_conf) {
ctx->srv_conf[mi] = module->create_srv_conf(cf);
if (ctx->srv_conf[mi] == NULL) {
return NGX_CONF_ERROR;
}
}
if (module->create_app_conf) {
ctx->app_conf[mi] = module->create_app_conf(cf);
if (ctx->app_conf[mi] == NULL) {
return NGX_CONF_ERROR;
}
}
}
pcf = *cf;
cf->ctx = ctx;
for (m = 0; modules[m]; m++) {
if (modules[m]->type != NGX_RTMP_MODULE) {
continue;
}
module = modules[m]->ctx;
if (module->preconfiguration) {
if (module->preconfiguration(cf) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
}
/* parse inside the rtmp{} block */
cf->module_type = NGX_RTMP_MODULE;
cf->cmd_type = NGX_RTMP_MAIN_CONF;
rv = ngx_conf_parse(cf, NULL);
if (rv != NGX_CONF_OK) {
*cf = pcf;
return rv;
}
/* init rtmp{} main_conf's, merge the server{}s' srv_conf's */
cmcf = ctx->main_conf[ngx_rtmp_core_module.ctx_index];
cscfp = cmcf->servers.elts;
for (m = 0; modules[m]; m++) {
if (modules[m]->type != NGX_RTMP_MODULE) {
continue;
}
module = modules[m]->ctx;
mi = modules[m]->ctx_index;
/* init rtmp{} main_conf's */
cf->ctx = ctx;
if (module->init_main_conf) {
rv = module->init_main_conf(cf, ctx->main_conf[mi]);
if (rv != NGX_CONF_OK) {
*cf = pcf;
return rv;
}
}
for (s = 0; s < cmcf->servers.nelts; s++) {
/* merge the server{}s' srv_conf's */
cf->ctx = cscfp[s]->ctx;
if (module->merge_srv_conf) {
rv = module->merge_srv_conf(cf,
ctx->srv_conf[mi],
cscfp[s]->ctx->srv_conf[mi]);
if (rv != NGX_CONF_OK) {
*cf = pcf;
return rv;
}
}
if (module->merge_app_conf) {
/* merge the server{}'s app_conf */
/*ctx->app_conf = cscfp[s]->ctx->loc_conf;*/
rv = module->merge_app_conf(cf,
ctx->app_conf[mi],
cscfp[s]->ctx->app_conf[mi]);
if (rv != NGX_CONF_OK) {
*cf = pcf;
return rv;
}
/* merge the applications{}' app_conf's */
cscf = cscfp[s]->ctx->srv_conf[ngx_rtmp_core_module.ctx_index];
rv = ngx_rtmp_merge_applications(cf, &cscf->applications,
cscfp[s]->ctx->app_conf,
module, mi);
if (rv != NGX_CONF_OK) {
*cf = pcf;
return rv;
}
}
}
}
if (ngx_rtmp_init_events(cf, cmcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
for (m = 0; modules[m]; m++) {
if (modules[m]->type != NGX_RTMP_MODULE) {
continue;
}
module = modules[m]->ctx;
if (module->postconfiguration) {
if (module->postconfiguration(cf) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
}
*cf = pcf;
if (ngx_rtmp_init_event_handlers(cf, cmcf) != NGX_OK) {
return NGX_CONF_ERROR;
}
if (ngx_array_init(&ports, cf->temp_pool, 4, sizeof(ngx_rtmp_conf_port_t))
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
if (ngx_rtmp_optimize_servers(cf, cmcf, cmcf->ports) != NGX_OK) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static char *
ngx_rtmp_merge_applications(ngx_conf_t *cf, ngx_array_t *applications,
void **app_conf, ngx_rtmp_module_t *module, ngx_uint_t ctx_index)
{
char *rv;
ngx_rtmp_conf_ctx_t *ctx, saved;
ngx_rtmp_core_app_conf_t **cacfp;
ngx_uint_t n;
ngx_rtmp_core_app_conf_t *cacf;
if (applications == NULL) {
return NGX_CONF_OK;
}
ctx = (ngx_rtmp_conf_ctx_t *) cf->ctx;
saved = *ctx;
cacfp = applications->elts;
for (n = 0; n < applications->nelts; ++n, ++cacfp) {
ctx->app_conf = (*cacfp)->app_conf;
rv = module->merge_app_conf(cf, app_conf[ctx_index],
(*cacfp)->app_conf[ctx_index]);
if (rv != NGX_CONF_OK) {
return rv;
}
cacf = (*cacfp)->app_conf[ngx_rtmp_core_module.ctx_index];
rv = ngx_rtmp_merge_applications(cf, &cacf->applications,
(*cacfp)->app_conf,
module, ctx_index);
if (rv != NGX_CONF_OK) {
return rv;
}
}
*ctx = saved;
return NGX_CONF_OK;
}
static ngx_int_t
ngx_rtmp_init_events(ngx_conf_t *cf, ngx_rtmp_core_main_conf_t *cmcf)
{
size_t n;
for(n = 0; n < NGX_RTMP_MAX_EVENT; ++n) {
if (ngx_array_init(&cmcf->events[n], cf->pool, 1,
sizeof(ngx_rtmp_handler_pt)) != NGX_OK)
{
return NGX_ERROR;
}
}
if (ngx_array_init(&cmcf->amf, cf->pool, 1,
sizeof(ngx_rtmp_amf_handler_t)) != NGX_OK)
{
return NGX_ERROR;
}
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_init_event_handlers(ngx_conf_t *cf, ngx_rtmp_core_main_conf_t *cmcf)
{
ngx_hash_init_t calls_hash;
ngx_rtmp_handler_pt *eh;
ngx_rtmp_amf_handler_t *h;
ngx_hash_key_t *ha;
size_t n, m;
static size_t pm_events[] = {
NGX_RTMP_MSG_CHUNK_SIZE,
NGX_RTMP_MSG_ABORT,
NGX_RTMP_MSG_ACK,
NGX_RTMP_MSG_ACK_SIZE,
NGX_RTMP_MSG_BANDWIDTH
};
static size_t amf_events[] = {
NGX_RTMP_MSG_AMF_CMD,
NGX_RTMP_MSG_AMF_META,
NGX_RTMP_MSG_AMF_SHARED,
NGX_RTMP_MSG_AMF3_CMD,
NGX_RTMP_MSG_AMF3_META,
NGX_RTMP_MSG_AMF3_SHARED
};
/* init standard protocol events */
for(n = 0; n < sizeof(pm_events) / sizeof(pm_events[0]); ++n) {
eh = ngx_array_push(&cmcf->events[pm_events[n]]);
*eh = ngx_rtmp_protocol_message_handler;
}
/* init amf events */
for(n = 0; n < sizeof(amf_events) / sizeof(amf_events[0]); ++n) {
eh = ngx_array_push(&cmcf->events[amf_events[n]]);
*eh = ngx_rtmp_amf_message_handler;
}
/* init user protocol events */
eh = ngx_array_push(&cmcf->events[NGX_RTMP_MSG_USER]);
*eh = ngx_rtmp_user_message_handler;
/* aggregate to audio/video map */
eh = ngx_array_push(&cmcf->events[NGX_RTMP_MSG_AGGREGATE]);
*eh = ngx_rtmp_aggregate_message_handler;
/* init amf callbacks */
ngx_array_init(&cmcf->amf_arrays, cf->pool, 1, sizeof(ngx_hash_key_t));
h = cmcf->amf.elts;
for(n = 0; n < cmcf->amf.nelts; ++n, ++h) {
ha = cmcf->amf_arrays.elts;
for(m = 0; m < cmcf->amf_arrays.nelts; ++m, ++ha) {
if (h->name.len == ha->key.len
&& !ngx_strncmp(h->name.data, ha->key.data, ha->key.len))
{
break;
}
}
if (m == cmcf->amf_arrays.nelts) {
ha = ngx_array_push(&cmcf->amf_arrays);
ha->key = h->name;
ha->key_hash = ngx_hash_key_lc(ha->key.data, ha->key.len);
ha->value = ngx_array_create(cf->pool, 1,
sizeof(ngx_rtmp_handler_pt));
if (ha->value == NULL) {
return NGX_ERROR;
}
}
eh = ngx_array_push((ngx_array_t*)ha->value);
*eh = h->handler;
}
calls_hash.hash = &cmcf->amf_hash;
calls_hash.key = ngx_hash_key_lc;
calls_hash.max_size = 512;
calls_hash.bucket_size = ngx_cacheline_size;
calls_hash.name = "amf_hash";
calls_hash.pool = cf->pool;
calls_hash.temp_pool = NULL;
if (ngx_hash_init(&calls_hash, cmcf->amf_arrays.elts, cmcf->amf_arrays.nelts)
!= NGX_OK)
{
return NGX_ERROR;
}
return NGX_OK;
}
/* add the server core module configuration to the address:port */
static ngx_int_t
ngx_rtmp_add_server(ngx_conf_t *cf, ngx_rtmp_core_srv_conf_t *cscf,
ngx_rtmp_conf_addr_t *addr)
{
ngx_uint_t i;
ngx_rtmp_core_srv_conf_t **server;
if (addr->servers.elts == NULL) {
if (ngx_array_init(&addr->servers, cf->temp_pool, 4,
sizeof(ngx_rtmp_core_srv_conf_t *))
!= NGX_OK)
{
return NGX_ERROR;
}
} else {
server = addr->servers.elts;
for (i = 0; i < addr->servers.nelts; i++) {
if (server[i] == cscf) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"a duplicate listen %s", addr->opt.addr);
return NGX_ERROR;
}
}
}
server = ngx_array_push(&addr->servers);
if (server == NULL) {
return NGX_ERROR;
}
*server = cscf;
return NGX_OK;
}
/*
* add the server address, the server names and the server core module
* configurations to the port list
*/
static ngx_int_t
ngx_rtmp_add_address(ngx_conf_t *cf, ngx_rtmp_core_srv_conf_t *cscf,
ngx_rtmp_conf_port_t *port, ngx_rtmp_listen_opt_t *lsopt)
{
ngx_rtmp_conf_addr_t *addr;
if (port->addrs.elts == NULL) {
if (ngx_array_init(&port->addrs, cf->temp_pool, 4,
sizeof(ngx_rtmp_conf_addr_t))
!= NGX_OK)
{
return NGX_ERROR;
}
}
addr = ngx_array_push(&port->addrs);
if (addr == NULL) {
return NGX_ERROR;
}
addr->opt = *lsopt;
addr->hash.buckets = NULL;
addr->hash.size = 0;
addr->wc_head = NULL;
addr->wc_tail = NULL;
#if (NGX_PCRE)
addr->nregex = 0;
addr->regex = NULL;
#endif
addr->default_server = cscf;
addr->servers.elts = NULL;
return ngx_rtmp_add_server(cf, cscf, addr);
}
static ngx_int_t
ngx_rtmp_add_addresses(ngx_conf_t *cf, ngx_rtmp_core_srv_conf_t *cscf,
ngx_rtmp_conf_port_t *port, ngx_rtmp_listen_opt_t *lsopt)
{
ngx_uint_t i, default_server, proxy_protocol;
ngx_rtmp_conf_addr_t *addr;
/*
* we cannot compare whole sockaddr struct's as kernel
* may fill some fields in inherited sockaddr struct's
*/
addr = port->addrs.elts;
for (i = 0; i < port->addrs.nelts; i++) {
if (ngx_cmp_sockaddr(lsopt->sockaddr, lsopt->socklen,
addr[i].opt.sockaddr,
addr[i].opt.socklen, 0)
!= NGX_OK)
{
continue;
}
/* the address is already in the address list */
if (ngx_rtmp_add_server(cf, cscf, &addr[i]) != NGX_OK) {
return NGX_ERROR;
}
/* preserve default_server bit during listen options overwriting */
default_server = addr[i].opt.default_server;
proxy_protocol = lsopt->proxy_protocol || addr[i].opt.proxy_protocol;
if (lsopt->set) {
if (addr[i].opt.set) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate listen options for %s", addr[i].opt.addr);
return NGX_ERROR;
}
addr[i].opt = *lsopt;
}
/* check the duplicate "default" server for this address:port */
if (lsopt->default_server) {
if (default_server) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"a duplicate default server for %s", addr[i].opt.addr);
return NGX_ERROR;
}
default_server = 1;
addr[i].default_server = cscf;
}
addr[i].opt.default_server = default_server;
addr[i].opt.proxy_protocol = proxy_protocol;
return NGX_OK;
}
/* add the address to the addresses list that bound to this port */
return ngx_rtmp_add_address(cf, cscf, port, lsopt);
}
ngx_int_t
ngx_rtmp_add_listen(ngx_conf_t *cf, ngx_rtmp_core_srv_conf_t *cscf,
ngx_rtmp_listen_opt_t *lsopt)
{
in_port_t p;
ngx_uint_t i;
struct sockaddr *sa;
ngx_rtmp_conf_port_t *port;
ngx_rtmp_core_main_conf_t *cmcf;
cmcf = ngx_rtmp_conf_get_module_main_conf(cf, ngx_rtmp_core_module);
if (cmcf->ports == NULL) {
cmcf->ports = ngx_array_create(cf->temp_pool, 2,
sizeof(ngx_rtmp_conf_port_t));
if (cmcf->ports == NULL) {
return NGX_ERROR;
}
}
sa = lsopt->sockaddr;
p = ngx_inet_get_port(sa);
port = cmcf->ports->elts;
for (i = 0; i < cmcf->ports->nelts; i++) {
if (p != port[i].port || sa->sa_family != port[i].family) {
continue;
}
/* a port is already in the port list */
return ngx_rtmp_add_addresses(cf, cscf, &port[i], lsopt);
}
/* add a port to the port list */
port = ngx_array_push(cmcf->ports);
if (port == NULL) {
return NGX_ERROR;
}
port->family = sa->sa_family;
port->port = p;
port->addrs.elts = NULL;
return ngx_rtmp_add_address(cf, cscf, port, lsopt);
}
static int ngx_libc_cdecl
ngx_rtmp_cmp_dns_wildcards(const void *one, const void *two)
{
ngx_hash_key_t *first, *second;
first = (ngx_hash_key_t *) one;
second = (ngx_hash_key_t *) two;
return ngx_dns_strcmp(first->key.data, second->key.data);
}
static ngx_int_t
ngx_rtmp_server_names(ngx_conf_t *cf, ngx_rtmp_core_main_conf_t *cmcf,
ngx_rtmp_conf_addr_t *addr)
{
ngx_int_t rc;
ngx_uint_t n, s;
ngx_hash_init_t hash;
ngx_hash_keys_arrays_t ha;
ngx_rtmp_server_name_t *name;
ngx_rtmp_core_srv_conf_t **cscfp;
#if (NGX_PCRE)
ngx_uint_t regex, i;
regex = 0;
#endif
ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t));
ha.temp_pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log);
if (ha.temp_pool == NULL) {
return NGX_ERROR;
}
ha.pool = cf->pool;
if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) {
goto failed;
}
cscfp = addr->servers.elts;
for (s = 0; s < addr->servers.nelts; s++) {
name = cscfp[s]->server_names.elts;
for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
#if (NGX_PCRE)
if (name[n].regex) {
regex++;
continue;
}
#endif
rc = ngx_hash_add_key(&ha, &name[n].name, name[n].server,
NGX_HASH_WILDCARD_KEY);
if (rc == NGX_ERROR) {
return NGX_ERROR;
}
if (rc == NGX_DECLINED) {
ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
"invalid server name or wildcard \"%V\" on %s",
&name[n].name, addr->opt.addr);
return NGX_ERROR;
}
if (rc == NGX_BUSY) {
ngx_log_error(NGX_LOG_WARN, cf->log, 0,
"conflicting server name \"%V\" on %s, ignored",
&name[n].name, addr->opt.addr);
}
}
}
hash.key = ngx_hash_key_lc;
hash.max_size = cmcf->server_names_hash_max_size;
hash.bucket_size = cmcf->server_names_hash_bucket_size;
hash.name = "rtmp_server_names_hash";
hash.pool = cf->pool;
if (ha.keys.nelts) {
hash.hash = &addr->hash;
hash.temp_pool = NULL;
if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK) {
goto failed;
}
}
if (ha.dns_wc_head.nelts) {
ngx_qsort(ha.dns_wc_head.elts, (size_t) ha.dns_wc_head.nelts,
sizeof(ngx_hash_key_t), ngx_rtmp_cmp_dns_wildcards);
hash.hash = NULL;
hash.temp_pool = ha.temp_pool;
if (ngx_hash_wildcard_init(&hash, ha.dns_wc_head.elts,
ha.dns_wc_head.nelts)
!= NGX_OK)
{
goto failed;
}
addr->wc_head = (ngx_hash_wildcard_t *) hash.hash;
}
if (ha.dns_wc_tail.nelts) {
ngx_qsort(ha.dns_wc_tail.elts, (size_t) ha.dns_wc_tail.nelts,
sizeof(ngx_hash_key_t), ngx_rtmp_cmp_dns_wildcards);
hash.hash = NULL;
hash.temp_pool = ha.temp_pool;
if (ngx_hash_wildcard_init(&hash, ha.dns_wc_tail.elts,
ha.dns_wc_tail.nelts)
!= NGX_OK)
{
goto failed;
}
addr->wc_tail = (ngx_hash_wildcard_t *) hash.hash;
}
ngx_destroy_pool(ha.temp_pool);
#if (NGX_PCRE)
if (regex == 0) {
return NGX_OK;
}
addr->nregex = regex;
addr->regex = ngx_palloc(cf->pool, regex * sizeof(ngx_rtmp_server_name_t));
if (addr->regex == NULL) {
return NGX_ERROR;
}
i = 0;
for (s = 0; s < addr->servers.nelts; s++) {
name = cscfp[s]->server_names.elts;
for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
if (name[n].regex) {
addr->regex[i++] = name[n];
}
}
}
#endif
return NGX_OK;
failed:
ngx_destroy_pool(ha.temp_pool);
return NGX_ERROR;
}
static ngx_listening_t *
ngx_rtmp_add_listening(ngx_conf_t *cf, ngx_rtmp_conf_addr_t *addr)
{
ngx_listening_t *ls;
ls = ngx_create_listening(cf, addr->opt.sockaddr,
addr->opt.socklen);
if (ls == NULL) {
return NULL;
}
ls->addr_ntop = 1;
ls->handler = ngx_rtmp_init_connection;
ls->pool_size = 4096;
/* TODO: error_log directive */
ls->logp = &cf->cycle->new_log;
ls->log.data = &ls->addr_text;
ls->log.handler = ngx_accept_log_error;
ls->keepalive = addr->opt.so_keepalive;
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
ls->keepidle = addr->opt.tcp_keepidle;
ls->keepintvl = addr->opt.tcp_keepintvl;
ls->keepcnt = addr->opt.tcp_keepcnt;
#endif
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
ls->ipv6only = addr->opt.ipv6only;
#endif
#if (NGX_HAVE_REUSEPORT)
ls->reuseport = addr->opt.reuseport;
#endif
return ls;
}
static ngx_int_t
ngx_rtmp_init_listening(ngx_conf_t *cf, ngx_rtmp_conf_port_t *port)
{
ngx_uint_t i, last, bind_wildcard;
ngx_listening_t *ls;
ngx_rtmp_port_t *mport;
ngx_rtmp_conf_addr_t *addr;
addr = port->addrs.elts;
last = port->addrs.nelts;
/*
* If there is a binding to an "*:port" then we need to bind() to
* the "*:port" only and ignore other implicit bindings. The bindings
* have been already sorted: explicit bindings are on the start, then
* implicit bindings go, and wildcard binding is in the end.
*/
if (addr[last - 1].opt.wildcard) {
addr[last - 1].opt.bind = 1;
bind_wildcard = 1;
} else {
bind_wildcard = 0;
}
i = 0;
while (i < last) {
if (bind_wildcard && !addr[i].opt.bind) {
i++;
continue;
}
ls = ngx_rtmp_add_listening(cf, &addr[i]);
if (ls == NULL) {
return NGX_ERROR;
}
mport = ngx_palloc(cf->pool, sizeof(ngx_rtmp_port_t));
if (mport == NULL) {
return NGX_ERROR;
}
ls->servers = mport;
if (i == last - 1) {
mport->naddrs = last;
} else {
mport->naddrs = 1;
i = 0;
}
switch (ls->sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
if (ngx_rtmp_add_addrs6(cf, mport, addr) != NGX_OK) {
return NGX_ERROR;
}
break;
#endif
default: /* AF_INET */
if (ngx_rtmp_add_addrs(cf, mport, addr) != NGX_OK) {
return NGX_ERROR;
}
break;
}
if (ngx_clone_listening(cf, ls) != NGX_OK) {
return NGX_ERROR;
}
addr++;
last--;
}
return NGX_OK;
}
static ngx_int_t
ngx_rtmp_optimize_servers(ngx_conf_t *cf, ngx_rtmp_core_main_conf_t *cmcf,
ngx_array_t *ports)
{
ngx_uint_t i, p;
ngx_rtmp_conf_port_t *port;
ngx_rtmp_conf_addr_t *addr;
if (ports == NULL) {
return NGX_OK;
}
port = ports->elts;
for (p = 0; p < ports->nelts; p++) {
ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts,
sizeof(ngx_rtmp_conf_addr_t), ngx_rtmp_cmp_conf_addrs);
/*