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ngx_rtmp_core_module.c
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ngx_rtmp_core_module.c
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/*
* Copyright (C) Roman Arutyunyan
* Copyright (C) Winshining
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <nginx.h>
#include "ngx_rtmp.h"
static ngx_int_t ngx_rtmp_core_preconfiguration(ngx_conf_t *cf);
static void *ngx_rtmp_core_create_main_conf(ngx_conf_t *cf);
static char *ngx_rtmp_core_init_main_conf(ngx_conf_t *cf, void *conf);
static void *ngx_rtmp_core_create_srv_conf(ngx_conf_t *cf);
static char *ngx_rtmp_core_merge_srv_conf(ngx_conf_t *cf, void *parent,
void *child);
static void *ngx_rtmp_core_create_app_conf(ngx_conf_t *cf);
static char *ngx_rtmp_core_merge_app_conf(ngx_conf_t *cf, void *parent,
void *child);
static char *ngx_rtmp_core_server(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static ngx_int_t ngx_rtmp_add_listen(ngx_conf_t *cf,
ngx_rtmp_core_srv_conf_t *cscf, ngx_rtmp_listen_opt_t *lsopt);
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);
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);
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);
static char *ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_rtmp_core_application(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_rtmp_core_server_name(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_rtmp_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_rtmp_core_lowat_check(ngx_conf_t *cf, void *post, void *data);
static char *ngx_rtmp_core_pool_size(ngx_conf_t *cf, void *post, void *data);
static ngx_conf_post_t ngx_rtmp_core_lowat_post =
{ ngx_rtmp_core_lowat_check };
static ngx_conf_post_handler_pt ngx_rtmp_core_pool_size_p =
ngx_rtmp_core_pool_size;
ngx_rtmp_core_main_conf_t *ngx_rtmp_core_main_conf;
static ngx_conf_deprecated_t ngx_conf_deprecated_so_keepalive = {
ngx_conf_deprecated, "so_keepalive",
"so_keepalive\" parameter of the \"listen"
};
static ngx_command_t ngx_rtmp_core_commands[] = {
{ ngx_string("server"),
NGX_RTMP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
ngx_rtmp_core_server,
0,
0,
NULL },
{ ngx_string("listen"),
NGX_RTMP_SRV_CONF|NGX_CONF_1MORE,
ngx_rtmp_core_listen,
NGX_RTMP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("server_name"),
NGX_RTMP_SRV_CONF|NGX_CONF_1MORE,
ngx_rtmp_core_server_name,
NGX_RTMP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("application"),
NGX_RTMP_SRV_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1,
ngx_rtmp_core_application,
NGX_RTMP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("so_keepalive"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, so_keepalive),
&ngx_conf_deprecated_so_keepalive },
{ ngx_string("timeout"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, timeout),
NULL },
{ ngx_string("ping"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, ping),
NULL },
{ ngx_string("ping_timeout"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, ping_timeout),
NULL },
{ ngx_string("max_streams"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, max_streams),
NULL },
{ ngx_string("ack_window"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, ack_window),
NULL },
{ ngx_string("chunk_size"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, chunk_size),
NULL },
{ ngx_string("max_message"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, max_message),
NULL },
{ ngx_string("out_queue"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, out_queue),
NULL },
{ ngx_string("out_cork"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, out_cork),
NULL },
{ ngx_string("busy"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_flag_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, busy),
NULL },
/* time fixes are needed for flash clients */
{ ngx_string("play_time_fix"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_flag_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, play_time_fix),
NULL },
{ ngx_string("publish_time_fix"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_flag_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, publish_time_fix),
NULL },
{ ngx_string("buflen"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, buflen),
NULL },
{ ngx_string("send_timeout"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_APP_CONF_OFFSET,
offsetof(ngx_rtmp_core_app_conf_t, send_timeout),
NULL },
{ ngx_string("send_lowat"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_RTMP_APP_CONF_OFFSET,
offsetof(ngx_rtmp_core_app_conf_t, send_lowat),
&ngx_rtmp_core_lowat_post },
{ ngx_string("resolver"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_1MORE,
ngx_rtmp_core_resolver,
NGX_RTMP_APP_CONF_OFFSET,
0,
NULL },
{ ngx_string("resolver_timeout"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_APP_CONF_OFFSET,
offsetof(ngx_rtmp_core_app_conf_t, resolver_timeout),
NULL },
{ ngx_string("connection_pool_size"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_TAKE1,
ngx_conf_set_size_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, connection_pool_size),
&ngx_rtmp_core_pool_size_p },
{ ngx_string("merge_slashes"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_CONF_FLAG,
ngx_conf_set_flag_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, merge_slashes),
NULL },
ngx_null_command
};
static ngx_rtmp_module_t ngx_rtmp_core_module_ctx = {
ngx_rtmp_core_preconfiguration, /* preconfiguration */
NULL, /* postconfiguration */
ngx_rtmp_core_create_main_conf, /* create main configuration */
ngx_rtmp_core_init_main_conf, /* init main configuration */
ngx_rtmp_core_create_srv_conf, /* create server configuration */
ngx_rtmp_core_merge_srv_conf, /* merge server configuration */
ngx_rtmp_core_create_app_conf, /* create app configuration */
ngx_rtmp_core_merge_app_conf /* merge app configuration */
};
ngx_module_t ngx_rtmp_core_module = {
NGX_MODULE_V1,
&ngx_rtmp_core_module_ctx, /* module context */
ngx_rtmp_core_commands, /* module directives */
NGX_RTMP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
NULL, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
static ngx_int_t
ngx_rtmp_core_preconfiguration(ngx_conf_t *cf)
{
return ngx_rtmp_variables_add_core_vars(cf);
}
static void *
ngx_rtmp_core_create_main_conf(ngx_conf_t *cf)
{
ngx_rtmp_core_main_conf_t *cmcf;
cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_core_main_conf_t));
if (cmcf == NULL) {
return NULL;
}
ngx_rtmp_core_main_conf = cmcf;
if (ngx_array_init(&cmcf->servers, cf->pool, 4,
sizeof(ngx_rtmp_core_srv_conf_t *))
!= NGX_OK)
{
return NULL;
}
cmcf->server_names_hash_max_size = NGX_CONF_UNSET_UINT;
cmcf->server_names_hash_bucket_size = NGX_CONF_UNSET_UINT;
cmcf->variables_hash_max_size = NGX_CONF_UNSET_UINT;
cmcf->variables_hash_bucket_size = NGX_CONF_UNSET_UINT;
return cmcf;
}
static char *
ngx_rtmp_core_init_main_conf(ngx_conf_t *cf, void *conf)
{
ngx_rtmp_core_main_conf_t *cmcf = conf;
ngx_conf_init_uint_value(cmcf->server_names_hash_max_size, 512);
ngx_conf_init_uint_value(cmcf->server_names_hash_bucket_size,
ngx_cacheline_size);
cmcf->server_names_hash_bucket_size =
ngx_align(cmcf->server_names_hash_bucket_size, ngx_cacheline_size);
ngx_conf_init_uint_value(cmcf->variables_hash_max_size, 1024);
ngx_conf_init_uint_value(cmcf->variables_hash_bucket_size, 64);
cmcf->variables_hash_bucket_size =
ngx_align(cmcf->variables_hash_bucket_size, ngx_cacheline_size);
if (cmcf->ncaptures) {
cmcf->ncaptures = (cmcf->ncaptures + 1) * 3;
}
return NGX_CONF_OK;
}
static void *
ngx_rtmp_core_create_srv_conf(ngx_conf_t *cf)
{
ngx_rtmp_core_srv_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_core_srv_conf_t));
if (conf == NULL) {
return NULL;
}
if (ngx_array_init(&conf->server_names, cf->temp_pool, 4,
sizeof(ngx_rtmp_server_name_t))
!= NGX_OK)
{
return NULL;
}
if (ngx_array_init(&conf->applications, cf->pool, 4,
sizeof(ngx_rtmp_core_app_conf_t *))
!= NGX_OK)
{
return NULL;
}
conf->timeout = NGX_CONF_UNSET_MSEC;
conf->ping = NGX_CONF_UNSET_MSEC;
conf->ping_timeout = NGX_CONF_UNSET_MSEC;
conf->so_keepalive = NGX_CONF_UNSET;
conf->max_streams = NGX_CONF_UNSET;
conf->chunk_size = NGX_CONF_UNSET;
conf->ack_window = NGX_CONF_UNSET_UINT;
conf->max_message = NGX_CONF_UNSET_SIZE;
conf->out_queue = NGX_CONF_UNSET_SIZE;
conf->out_cork = NGX_CONF_UNSET_SIZE;
conf->play_time_fix = NGX_CONF_UNSET;
conf->publish_time_fix = NGX_CONF_UNSET;
conf->buflen = NGX_CONF_UNSET_MSEC;
conf->busy = NGX_CONF_UNSET;
conf->connection_pool_size = NGX_CONF_UNSET_SIZE;
conf->merge_slashes = NGX_CONF_UNSET;
return conf;
}
static void
ngx_rtmp_core_free_pool_cleanup(void *data)
{
ngx_rtmp_core_srv_conf_t *conf = data;
if (conf->pool != NULL) {
ngx_destroy_pool(conf->pool);
conf->pool = NULL;
}
}
static char *
ngx_rtmp_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_rtmp_core_srv_conf_t *prev = parent;
ngx_rtmp_core_srv_conf_t *conf = child;
ngx_str_t name;
ngx_pool_cleanup_t *cln;
ngx_rtmp_server_name_t *sn;
ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000);
ngx_conf_merge_msec_value(conf->ping, prev->ping, 60000);
ngx_conf_merge_msec_value(conf->ping_timeout, prev->ping_timeout, 30000);
ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0);
ngx_conf_merge_value(conf->max_streams, prev->max_streams, 32);
ngx_conf_merge_value(conf->chunk_size, prev->chunk_size,
NGX_RTMP_DEFAULT_CHUNK_SIZE);
ngx_conf_merge_uint_value(conf->ack_window, prev->ack_window, 5000000);
ngx_conf_merge_size_value(conf->max_message, prev->max_message,
1 * 1024 * 1024);
ngx_conf_merge_size_value(conf->out_queue, prev->out_queue, 256);
ngx_conf_merge_size_value(conf->out_cork, prev->out_cork,
conf->out_queue / 8);
ngx_conf_merge_value(conf->play_time_fix, prev->play_time_fix, 1);
ngx_conf_merge_value(conf->publish_time_fix, prev->publish_time_fix, 1);
ngx_conf_merge_msec_value(conf->buflen, prev->buflen, 1000);
ngx_conf_merge_value(conf->busy, prev->busy, 0);
ngx_conf_merge_size_value(conf->connection_pool_size,
prev->connection_pool_size, 64 * sizeof(void *));
ngx_conf_merge_value(conf->merge_slashes, prev->merge_slashes, 1);
if (prev->pool == NULL) {
prev->pool = ngx_create_pool(4096, &cf->cycle->new_log);
if (prev->pool == NULL) {
return NGX_CONF_ERROR;
}
cln = ngx_pool_cleanup_add(cf->pool, 0);
if (cln == NULL) {
return NGX_CONF_ERROR;
}
cln->handler = ngx_rtmp_core_free_pool_cleanup;
cln->data = conf;
}
conf->pool = prev->pool;
if (conf->server_names.nelts == 0) {
/* the array has 4 empty preallocated elements, so push cannot fail */
sn = ngx_array_push(&conf->server_names);
#if (NGX_PCRE)
sn->regex = NULL;
#endif
sn->server = conf;
ngx_str_set(&sn->name, "");
}
sn = conf->server_names.elts;
name = sn[0].name;
#if (NGX_PCRE)
if (sn->regex) {
name.len++;
name.data--;
} else
#endif
if (name.data[0] == '.') {
name.len--;
name.data++;
}
conf->server_name.len = name.len;
conf->server_name.data = ngx_pstrdup(cf->pool, &name);
if (conf->server_name.data == NULL) {
return NGX_CONF_ERROR;
}
return NGX_CONF_OK;
}
static void *
ngx_rtmp_core_create_app_conf(ngx_conf_t *cf)
{
ngx_rtmp_core_app_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_core_app_conf_t));
if (conf == NULL) {
return NULL;
}
if (ngx_array_init(&conf->applications, cf->pool, 1,
sizeof(ngx_rtmp_core_app_conf_t *))
!= NGX_OK)
{
return NULL;
}
conf->send_timeout = NGX_CONF_UNSET_MSEC;
conf->send_lowat = NGX_CONF_UNSET_SIZE;
conf->resolver_timeout = NGX_CONF_UNSET_MSEC;
return conf;
}
static char *
ngx_rtmp_core_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_rtmp_core_app_conf_t *prev = parent;
ngx_rtmp_core_app_conf_t *conf = child;
ngx_conf_merge_msec_value(conf->send_timeout, prev->send_timeout, 60000);
ngx_conf_merge_size_value(conf->send_lowat, prev->send_lowat, 0);
ngx_conf_merge_msec_value(conf->resolver_timeout,
prev->resolver_timeout, 30000);
if (conf->resolver == NULL) {
if (prev->resolver == NULL) {
/*
* create dummy resolver in rtmp {} context
* to inherit it in all servers
*/
prev->resolver = ngx_resolver_create(cf, NULL, 0);
if (prev->resolver == NULL) {
return NGX_CONF_ERROR;
}
}
conf->resolver = prev->resolver;
}
return NGX_CONF_OK;
}
static char *
ngx_rtmp_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
void *mconf;
ngx_uint_t m;
ngx_conf_t pcf;
ngx_module_t **modules;
ngx_rtmp_module_t *module;
struct sockaddr_in *sin;
ngx_rtmp_conf_ctx_t *ctx, *rtmp_ctx;
ngx_rtmp_listen_opt_t lsopt;
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;
}
rtmp_ctx = cf->ctx;
ctx->main_conf = rtmp_ctx->main_conf;
/* the server{}'s srv_conf */
ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->srv_conf == NULL) {
return NGX_CONF_ERROR;
}
ctx->app_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->app_conf == NULL) {
return NGX_CONF_ERROR;
}
#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;
if (module->create_srv_conf) {
mconf = module->create_srv_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->srv_conf[modules[m]->ctx_index] = mconf;
}
if (module->create_app_conf) {
mconf = module->create_app_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->app_conf[modules[m]->ctx_index] = mconf;
}
}
/* the server configuration context */
cscf = ctx->srv_conf[ngx_rtmp_core_module.ctx_index];
cscf->ctx = ctx;
cmcf = ctx->main_conf[ngx_rtmp_core_module.ctx_index];
cscfp = ngx_array_push(&cmcf->servers);
if (cscfp == NULL) {
return NGX_CONF_ERROR;
}
*cscfp = cscf;
/* parse inside server{} */
pcf = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_RTMP_SRV_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf = pcf;
if (rv == NGX_CONF_OK && !cscf->listen) {
ngx_memzero(&lsopt, sizeof(ngx_rtmp_listen_opt_t));
sin = &lsopt.sockaddr.sockaddr_in;
sin->sin_family = AF_INET;
sin->sin_port = htons(1935);
sin->sin_addr.s_addr = INADDR_ANY;
lsopt.socklen = sizeof(struct sockaddr_in);
lsopt.backlog = NGX_LISTEN_BACKLOG;
lsopt.rcvbuf = -1;
lsopt.sndbuf = -1;
#if (NGX_HAVE_SETFIB)
lsopt.setfib = -1;
#endif
#if (NGX_HAVE_TCP_FASTOPEN)
lsopt.fastopen = -1;
#endif
lsopt.wildcard = 1;
(void) ngx_sock_ntop(&lsopt.sockaddr.sockaddr,
#if (nginx_version >= 1005003)
lsopt.socklen,
#endif
lsopt.addr, NGX_SOCKADDR_STRLEN, 1);
if (ngx_rtmp_add_listen(cf, cscf, &lsopt) != NGX_OK) {
return NGX_CONF_ERROR;
}
cscf->port = 1935;
}
return rv;
}
static 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.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 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)
{
#if (nginx_version <= 1005007)
u_char *p, *sockaddr_data, *sa_data;
size_t len, off;
struct sockaddr *sa;
#if (NGX_HAVE_UNIX_DOMAIN)
struct sockaddr_un *saun;
#endif
#endif
#if (nginx_version >= 1005012)
ngx_uint_t proxy_protocol;
#endif
ngx_uint_t i, default_server;
ngx_rtmp_conf_addr_t *addr;
/*
* we cannot compare whole sockaddr struct's as kernel
* may fill some fields in inherited sockaddr struct's
*/
#if (nginx_version <= 1005007)
sa = (struct sockaddr *) &lsopt->sockaddr;
sockaddr_data = (u_char *) &lsopt->sockaddr;
switch (sa->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
off = offsetof(struct sockaddr_in6, sin6_addr);
len = 16;
break;
#endif
#if (NGX_HAVE_UNIX_DOMAIN)
case AF_UNIX:
off = offsetof(struct sockaddr_un, sun_path);
len = sizeof(saun->sun_path);
break;
#endif
default: /* AF_INET */
off = offsetof(struct sockaddr_in, sin_addr);
len = 4;
break;
}
p = sockaddr_data + off;
#endif
addr = port->addrs.elts;
for (i = 0; i < port->addrs.nelts; i++) {
#if (nginx_version <= 1005007)
sa_data = (u_char *) &addr[i].opt.sockaddr;
if (ngx_memcmp(p, sa_data + off, len) != 0)
#else
if (ngx_cmp_sockaddr(&lsopt->sockaddr.sockaddr, lsopt->socklen,
&addr[i].opt.sockaddr.sockaddr,
addr[i].opt.socklen, 0)
!= NGX_OK)
#endif
{
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;
#if (nginx_version >= 1005012)
proxy_protocol = lsopt->proxy_protocol || addr[i].opt.proxy_protocol;
#endif
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;
#if (nginx_version >= 1005012)
addr[i].opt.proxy_protocol = proxy_protocol;
#endif
return NGX_OK;
}
/* add the address to the addresses list that bound to this port */
return ngx_rtmp_add_address(cf, cscf, port, lsopt);
}
/*
* 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);
}
/* 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;
}
static char *
ngx_rtmp_core_application(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
ngx_int_t i;
ngx_uint_t n;
ngx_str_t *value;
ngx_conf_t save;
ngx_module_t **modules;
ngx_rtmp_module_t *module;
ngx_rtmp_conf_ctx_t *ctx, *pctx;
ngx_rtmp_core_srv_conf_t *cscf;
ngx_rtmp_core_app_conf_t *cacf, **cacfp;
ctx = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_conf_ctx_t));
if (ctx == NULL) {
return NGX_CONF_ERROR;
}
pctx = cf->ctx;
ctx->main_conf = pctx->main_conf;
ctx->srv_conf = pctx->srv_conf;
ctx->app_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->app_conf == NULL) {
return NGX_CONF_ERROR;
}
#if (nginx_version >= 1009011)
modules = cf->cycle->modules;
#else
modules = ngx_modules;
#endif
for (i = 0; modules[i]; i++) {
if (modules[i]->type != NGX_RTMP_MODULE) {
continue;
}
module = modules[i]->ctx;
if (module->create_app_conf) {
ctx->app_conf[modules[i]->ctx_index] = module->create_app_conf(cf);
if (ctx->app_conf[modules[i]->ctx_index] == NULL) {
return NGX_CONF_ERROR;
}
}
}
cacf = ctx->app_conf[ngx_rtmp_core_module.ctx_index];
cacf->app_conf = ctx->app_conf;
value = cf->args->elts;
cacf->name = value[1];
cscf = pctx->srv_conf[ngx_rtmp_core_module.ctx_index];
cacfp = cscf->applications.elts;
for (n = 0; n < cscf->applications.nelts; n++) {
if (cacf->name.len == cacfp[n]->name.len
&& ngx_strncmp(cacf->name.data,
cacfp[n]->name.data, cacf->name.len) == 0)
{
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate application: \"%V\"", &cacf->name);
return NGX_CONF_ERROR;
}
}
cacfp = ngx_array_push(&cscf->applications);
if (cacfp == NULL) {
return NGX_CONF_ERROR;
}
*cacfp = cacf;
save = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_RTMP_APP_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf= save;
return rv;
}