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ngx_rtmp_core_module.c
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ngx_rtmp_core_module.c
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/*
* Original work Copyright (C) Roman Arutyunyan
* Modified work Copyright (C) 2017 Gnolizuh
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_event.h>
#include <nginx.h>
#include "ngx_rtmp.h"
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_svi_conf(ngx_conf_t *cf);
static char *ngx_rtmp_core_merge_svi_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 char *ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_rtmp_core_service(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_hostname(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
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_conf_bitmask_t ngx_rtmp_hostname_mask[] = {
{ ngx_string("direct-bi"), NGX_RTMP_HOSTNAME_SUB |
NGX_RTMP_HOSTNAME_PUB },
{ ngx_string("sub"), NGX_RTMP_HOSTNAME_SUB },
{ ngx_string("pub"), NGX_RTMP_HOSTNAME_PUB },
{ ngx_string("proto-all"), NGX_RTMP_HOSTNAME_RTMP |
NGX_RTMP_HOSTNAME_HTTP_FLV |
NGX_RTMP_HOSTNAME_HLS },
{ ngx_string("rtmp"), NGX_RTMP_HOSTNAME_RTMP },
{ ngx_string("http_flv"), NGX_RTMP_HOSTNAME_HTTP_FLV },
{ ngx_string("hls"), NGX_RTMP_HOSTNAME_HLS },
{ ngx_null_string, 0 }
};
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("host_names_hash_max_size"),
NGX_RTMP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_RTMP_MAIN_CONF_OFFSET,
offsetof(ngx_rtmp_core_main_conf_t, host_names_hash_max_size),
NULL },
{ ngx_string("host_names_hash_bucket_size"),
NGX_RTMP_MAIN_CONF|NGX_CONF_TAKE1,
ngx_conf_set_num_slot,
NGX_RTMP_MAIN_CONF_OFFSET,
offsetof(ngx_rtmp_core_main_conf_t, host_names_hash_bucket_size),
NULL },
{ ngx_string("listen"),
NGX_RTMP_SRV_CONF|NGX_CONF_TAKE12,
ngx_rtmp_core_listen,
NGX_RTMP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("service"),
NGX_RTMP_SRV_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1,
ngx_rtmp_core_service,
NGX_RTMP_SRV_CONF_OFFSET,
0,
NULL },
{ ngx_string("application"),
NGX_RTMP_SVI_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE1,
ngx_rtmp_core_application,
NGX_RTMP_SVI_CONF_OFFSET,
0,
NULL },
{ ngx_string("hostname"),
NGX_RTMP_SVI_CONF|NGX_CONF_1MORE,
ngx_rtmp_core_hostname,
NGX_RTMP_SVI_CONF_OFFSET,
0,
ngx_rtmp_hostname_mask },
{ ngx_string("so_keepalive"),
NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_RTMP_SVI_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_SVI_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_SVI_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_RTMP_SVI_CONF|NGX_CONF_TAKE1,
ngx_conf_set_msec_slot,
NGX_RTMP_SRV_CONF_OFFSET,
offsetof(ngx_rtmp_core_srv_conf_t, buflen),
NULL },
ngx_null_command
};
static ngx_rtmp_module_t ngx_rtmp_core_module_ctx = {
NULL, /* 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_svi_conf, /* create service configuration */
ngx_rtmp_core_merge_svi_conf, /* merge service 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 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;
}
if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_rtmp_listen_opt_t))
!= NGX_OK)
{
return NULL;
}
cmcf->host_names_hash_max_size = NGX_CONF_UNSET_UINT;
cmcf->host_names_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->host_names_hash_max_size, 512);
ngx_conf_init_uint_value(cmcf->host_names_hash_bucket_size,
ngx_cacheline_size);
cmcf->host_names_hash_max_size =
ngx_align(cmcf->host_names_hash_max_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 *cscf;
cscf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_core_srv_conf_t));
if (cscf == NULL) {
return NULL;
}
if (ngx_array_init(&cscf->services, cf->pool, 4,
sizeof(ngx_rtmp_core_svi_conf_t *))
!= NGX_OK)
{
return NULL;
}
cscf->timeout = NGX_CONF_UNSET_MSEC;
cscf->ping = NGX_CONF_UNSET_MSEC;
cscf->ping_timeout = NGX_CONF_UNSET_MSEC;
cscf->so_keepalive = NGX_CONF_UNSET;
cscf->max_streams = NGX_CONF_UNSET;
cscf->chunk_size = NGX_CONF_UNSET;
cscf->ack_window = NGX_CONF_UNSET_UINT;
cscf->max_message = NGX_CONF_UNSET_SIZE;
cscf->out_queue = NGX_CONF_UNSET_SIZE;
cscf->out_cork = NGX_CONF_UNSET_SIZE;
cscf->play_time_fix = NGX_CONF_UNSET;
cscf->publish_time_fix = NGX_CONF_UNSET;
cscf->buflen = NGX_CONF_UNSET_MSEC;
cscf->busy = NGX_CONF_UNSET;
return cscf;
}
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_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, 4096);
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);
if (prev->pool == NULL) {
prev->pool = ngx_create_pool(4096, &cf->cycle->new_log);
if (prev->pool == NULL) {
return NGX_CONF_ERROR;
}
}
conf->pool = prev->pool;
return NGX_CONF_OK;
}
static void *
ngx_rtmp_core_create_svi_conf(ngx_conf_t *cf)
{
ngx_rtmp_core_svi_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_core_svi_conf_t));
if (conf == NULL) {
return NULL;
}
if (ngx_array_init(&conf->applications, cf->pool, 4,
sizeof(ngx_rtmp_core_app_conf_t *))
!= NGX_OK)
{
return NULL;
}
return conf;
}
static char *
ngx_rtmp_core_merge_svi_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_rtmp_core_svi_conf_t *prev = parent;
ngx_rtmp_core_svi_conf_t *conf = child;
(void)prev;
(void)conf;
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;
}
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;
(void)prev;
(void)conf;
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;
ngx_rtmp_conf_ctx_t *ctx, *rtmp_ctx;
ngx_rtmp_core_srv_conf_t *cscf, **cscfp;
ngx_rtmp_core_main_conf_t *cmcf;
ngx_rtmp_listen_opt_t lsopt;
struct sockaddr_in *sin;
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;
}
/* the server{}'s loc_conf */
ctx->svi_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->svi_conf == NULL) {
return NGX_CONF_ERROR;
}
/* the server{}'s loc_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 (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_svi_conf) {
mconf = module->create_svi_conf(cf);
if (mconf == NULL) {
return NGX_CONF_ERROR;
}
ctx->svi_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.u.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.wildcard = 1;
(void) ngx_sock_ntop(&lsopt.u.sockaddr, lsopt.socklen, lsopt.sockaddr,
NGX_SOCKADDR_STRLEN, 1);
if (ngx_rtmp_add_listen(cf, cscf, &lsopt) != NGX_OK) {
return NGX_CONF_ERROR;
}
}
return rv;
}
static char *
ngx_rtmp_core_service(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
ngx_int_t i;
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_svi_conf_t *csicf, **csicfp;
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->svi_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_rtmp_max_module);
if (ctx->svi_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 (i = 0; modules[i]; i++) {
if (modules[i]->type != NGX_RTMP_MODULE) {
continue;
}
module = modules[i]->ctx;
if (module->create_svi_conf) {
ctx->svi_conf[modules[i]->ctx_index] = module->create_svi_conf(cf);
if (ctx->svi_conf[modules[i]->ctx_index] == NULL) {
return NGX_CONF_ERROR;
}
}
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;
}
}
}
csicf = ctx->svi_conf[ngx_rtmp_core_module.ctx_index];
csicf->ctx = ctx;
csicf->svi_conf = ctx->svi_conf;
value = cf->args->elts;
csicf->name = value[1];
cscf = pctx->srv_conf[ngx_rtmp_core_module.ctx_index];
csicfp = ngx_array_push(&cscf->services);
if (csicfp == NULL) {
return NGX_CONF_ERROR;
}
if (ngx_array_init(&csicf->host_names, cf->pool, 4,
sizeof(ngx_rtmp_host_name_t))
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
*csicfp = csicf;
save = *cf;
cf->ctx = ctx;
cf->cmd_type = NGX_RTMP_SVI_CONF;
rv = ngx_conf_parse(cf, NULL);
*cf= save;
return rv;
}
static char *
ngx_rtmp_core_application(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
char *rv;
ngx_int_t i;
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_svi_conf_t *csicf;
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->svi_conf = pctx->svi_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];
csicf = pctx->svi_conf[ngx_rtmp_core_module.ctx_index];
cacfp = ngx_array_push(&csicf->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;
}
static char *
ngx_rtmp_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_rtmp_core_srv_conf_t *cscf = conf;
size_t len, off;
in_port_t port;
ngx_str_t *value;
ngx_url_t u;
ngx_uint_t i, m;
ngx_module_t **modules;
struct sockaddr *sa;
ngx_rtmp_listen_opt_t *lsopt;
struct sockaddr_in *sin;
ngx_rtmp_core_main_conf_t *cmcf;
#if (NGX_HAVE_INET6)
struct sockaddr_in6 *sin6;
#endif
cscf->listen = 1;
value = cf->args->elts;
ngx_memzero(&u, sizeof(ngx_url_t));
u.url = value[1];
u.listen = 1;
u.default_port = 1935;
if (ngx_parse_url(cf->pool, &u) != NGX_OK) {
if (u.err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in \"%V\" of the \"listen\" directive",
u.err, &u.url);
}
return NGX_CONF_ERROR;
}
cmcf = ngx_rtmp_conf_get_module_main_conf(cf, ngx_rtmp_core_module);
lsopt = cmcf->listen.elts;
for (i = 0; i < cmcf->listen.nelts; i++) {
sa = (struct sockaddr *) lsopt[i].sockaddr;
if (sa->sa_family != u.family) {
continue;
}
switch (sa->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
off = offsetof(struct sockaddr_in6, sin6_addr);
len = 16;
sin6 = (struct sockaddr_in6 *) sa;
port = sin6->sin6_port;
break;
#endif
default: /* AF_INET */
off = offsetof(struct sockaddr_in, sin_addr);
len = 4;
sin = (struct sockaddr_in *) sa;
port = sin->sin_port;
break;
}
if (ngx_memcmp(lsopt[i].sockaddr + off, (u_char *) &u.sockaddr + off, len)
!= 0)
{
continue;
}
if (port != u.port) {
continue;
}
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate \"%V\" address and port pair", &u.url);
return NGX_CONF_ERROR;
}
lsopt = ngx_array_push(&cmcf->listen);
if (lsopt == NULL) {
return NGX_CONF_ERROR;
}
ngx_memzero(lsopt, sizeof(ngx_rtmp_listen_opt_t));
ngx_memcpy(&lsopt->u.sockaddr, &u.sockaddr, u.socklen);
lsopt->socklen = u.socklen;
lsopt->wildcard = u.wildcard;
lsopt->ctx = cf->ctx;
#if (nginx_version >= 1009011)
modules = cf->cycle->modules;
#else
modules = ngx_modules;
#endif
(void) ngx_sock_ntop(&lsopt->u.sockaddr, lsopt->socklen, lsopt->sockaddr,
NGX_SOCKADDR_STRLEN, 1);
for (m = 0; modules[m]; m++) {
if (modules[m]->type != NGX_RTMP_MODULE) {
continue;
}
}
for (i = 2; i < cf->args->nelts; i++) {
if (ngx_strcmp(value[i].data, "default_server") == 0
|| ngx_strcmp(value[i].data, "default") == 0)
{
lsopt->default_server = 1;
continue;
}
if (ngx_strcmp(value[i].data, "bind") == 0) {
lsopt->bind = 1;
continue;
}
if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) {
#if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
struct sockaddr *sa;
u_char buf[NGX_SOCKADDR_STRLEN];
sa = (struct sockaddr *) lsopt->sockaddr;
if (sa->sa_family == AF_INET6) {
if (ngx_strcmp(&value[i].data[10], "n") == 0) {
lsopt->ipv6only = 1;
} else if (ngx_strcmp(&value[i].data[10], "ff") == 0) {
lsopt->ipv6only = 0;
} else {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid ipv6only flags \"%s\"",
&value[i].data[9]);
return NGX_CONF_ERROR;
}
lsopt->bind = 1;
} else {
len = ngx_sock_ntop(sa,
#if (nginx_version >= 1005003)
lsopt->socklen,
#endif
buf, NGX_SOCKADDR_STRLEN, 1);
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"ipv6only is not supported "
"on addr \"%*s\", ignored", len, buf);
}
continue;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"bind ipv6only is not supported "
"on this platform");
return NGX_CONF_ERROR;
#endif
}
if (ngx_strcmp(value[i].data, "reuseport") == 0) {
#if (NGX_HAVE_REUSEPORT)
lsopt->reuseport = 1;
lsopt->bind = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"reuseport is not supported "
"on this platform, ignored");
#endif
continue;
}
if (ngx_strncmp(value[i].data, "so_keepalive=", 13) == 0) {
if (ngx_strcmp(&value[i].data[13], "on") == 0) {
lsopt->so_keepalive = 1;
} else if (ngx_strcmp(&value[i].data[13], "off") == 0) {
lsopt->so_keepalive = 2;
} else {
#if (NGX_HAVE_KEEPALIVE_TUNABLE)
u_char *p, *end;
ngx_str_t s;
end = value[i].data + value[i].len;
s.data = value[i].data + 13;
p = ngx_strlchr(s.data, end, ':');
if (p == NULL) {
p = end;
}
if (p > s.data) {
s.len = p - s.data;
lsopt->tcp_keepidle = ngx_parse_time(&s, 1);
if (lsopt->tcp_keepidle == (time_t) NGX_ERROR) {
goto invalid_so_keepalive;
}
}
s.data = (p < end) ? (p + 1) : end;
p = ngx_strlchr(s.data, end, ':');
if (p == NULL) {
p = end;
}
if (p > s.data) {
s.len = p - s.data;
lsopt->tcp_keepintvl = ngx_parse_time(&s, 1);
if (lsopt->tcp_keepintvl == (time_t) NGX_ERROR) {
goto invalid_so_keepalive;
}
}
s.data = (p < end) ? (p + 1) : end;
if (s.data < end) {
s.len = end - s.data;
lsopt->tcp_keepcnt = ngx_atoi(s.data, s.len);
if (lsopt->tcp_keepcnt == NGX_ERROR) {
goto invalid_so_keepalive;
}
}
if (lsopt->tcp_keepidle == 0 && lsopt->tcp_keepintvl == 0
&& lsopt->tcp_keepcnt == 0)
{
goto invalid_so_keepalive;
}
lsopt->so_keepalive = 1;
#else
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"the \"so_keepalive\" parameter accepts "
"only \"on\" or \"off\" on this platform");
return NGX_CONF_ERROR;