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Merge branch 'control'

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Roman Arutyunyan 2012-10-09 09:05:50 +04:00
parent bff1c355ec 0b757e8a49
commit 72d175ed7f
4 changed files with 422 additions and 14 deletions
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2
config
View file

@ -22,6 +22,7 @@ CORE_MODULES="$CORE_MODULES
HTTP_MODULES="$HTTP_MODULES \
ngx_rtmp_stat_module \
ngx_rtmp_control_module \
"
@ -45,6 +46,7 @@ NGX_ADDON_SRCS="$NGX_ADDON_SRCS \
$ngx_addon_dir/ngx_rtmp_mp4_module.c \
$ngx_addon_dir/ngx_rtmp_netcall_module.c \
$ngx_addon_dir/ngx_rtmp_stat_module.c \
$ngx_addon_dir/ngx_rtmp_control_module.c \
$ngx_addon_dir/ngx_rtmp_relay_module.c \
$ngx_addon_dir/ngx_rtmp_bandwidth.c \
$ngx_addon_dir/ngx_rtmp_exec_module.c \

369
ngx_rtmp_control_module.c Normal file
View file

@ -0,0 +1,369 @@
/*
* Copyright (c) 2012 Roman Arutyunyan
*/
#include <nginx.h>
#include <ngx_http.h>
#include "ngx_rtmp.h"
#include "ngx_rtmp_live_module.h"
#include "ngx_rtmp_record_module.h"
static ngx_int_t ngx_rtmp_control_postconfiguration(ngx_conf_t *cf);
static void * ngx_rtmp_control_create_loc_conf(ngx_conf_t *cf);
static char * ngx_rtmp_control_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child);
#define NGX_RTMP_CONTROL_ALL 0xff
#define NGX_RTMP_CONTROL_RECORD 0x01
typedef struct {
ngx_uint_t control;
} ngx_rtmp_control_loc_conf_t;
static ngx_conf_bitmask_t ngx_rtmp_control_masks[] = {
{ ngx_string("all"), NGX_RTMP_CONTROL_ALL },
{ ngx_string("record"), NGX_RTMP_CONTROL_RECORD },
{ ngx_null_string, 0 }
};
static ngx_command_t ngx_rtmp_control_commands[] = {
{ ngx_string("rtmp_control"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_conf_set_bitmask_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_rtmp_control_loc_conf_t, control),
ngx_rtmp_control_masks },
ngx_null_command
};
static ngx_http_module_t ngx_rtmp_control_module_ctx = {
NULL, /* preconfiguration */
ngx_rtmp_control_postconfiguration, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
ngx_rtmp_control_create_loc_conf, /* create location configuration */
ngx_rtmp_control_merge_loc_conf, /* merge location configuration */
};
ngx_module_t ngx_rtmp_control_module = {
NGX_MODULE_V1,
&ngx_rtmp_control_module_ctx, /* module context */
ngx_rtmp_control_commands, /* module directives */
NGX_HTTP_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
};
/* /record arguments:
* srv - server index (optional)
* app - application name
* name - stream name
* rec - recorder name
*/
static ngx_int_t
ngx_rtmp_control_record(ngx_http_request_t *r, ngx_str_t *method)
{
ngx_rtmp_record_app_conf_t *racf;
ngx_rtmp_core_main_conf_t *cmcf;
ngx_rtmp_core_srv_conf_t **pcscf, *cscf;
ngx_rtmp_core_app_conf_t **pcacf, *cacf;
ngx_rtmp_live_app_conf_t *lacf;
ngx_rtmp_live_stream_t *ls;
ngx_rtmp_live_ctx_t *lctx;
ngx_rtmp_session_t *s;
ngx_chain_t cl;
ngx_uint_t sn, rn, n;
ngx_str_t srv, app, rec, name, path;
ngx_str_t msg;
ngx_buf_t *b;
ngx_int_t rc;
size_t len;
sn = 0;
if (ngx_http_arg(r, (u_char *) "srv", sizeof("srv") - 1, &srv) == NGX_OK) {
sn = ngx_atoi(srv.data, srv.len);
}
if (ngx_http_arg(r, (u_char *) "app", sizeof("app") - 1, &app) != NGX_OK) {
ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
"rtmp_control: app not specified");
ngx_str_set(&msg, "Application not specified");
goto error;
}
ngx_memzero(&rec, sizeof(rec));
ngx_http_arg(r, (u_char *) "rec", sizeof("rec") - 1, &rec);
ngx_memzero(&name, sizeof(name));
ngx_http_arg(r, (u_char *) "name", sizeof("name") - 1, &name);
cmcf = ngx_rtmp_core_main_conf;
if (cmcf == NULL) {
ngx_str_set(&msg, "Missing main RTMP conf");
goto error;
}
/* find server */
if (sn >= cmcf->servers.nelts) {
ngx_str_set(&msg, "Server index out of range");
goto error;
}
pcscf = cmcf->servers.elts;
pcscf += sn;
cscf = *pcscf;
/* find application */
pcacf = cscf->applications.elts;
cacf = NULL;
for (n = 0; n < cscf->applications.nelts; ++n, ++pcacf) {
if ((*pcacf)->name.len == app.len &&
ngx_strncmp((*pcacf)->name.data, app.data, app.len) == 0)
{
cacf = *pcacf;
break;
}
}
if (cacf == NULL) {
ngx_str_set(&msg, "Application not found");
goto error;
}
lacf = cacf->app_conf[ngx_rtmp_live_module.ctx_index];
racf = cacf->app_conf[ngx_rtmp_record_module.ctx_index];
/* find live stream by name */
for (ls = lacf->streams[ngx_hash_key(name.data, name.len) % lacf->nbuckets];
ls; ls = ls->next)
{
len = ngx_strlen(ls->name);
if (name.len == len && ngx_strncmp(name.data, ls->name, name.len)
== 0)
{
break;
}
}
if (ls == NULL) {
ngx_str_set(&msg, "Live stream not found");
goto error;
}
/* find publisher context */
for (lctx = ls->ctx; lctx; lctx = lctx->next) {
if (lctx->flags & NGX_RTMP_LIVE_PUBLISHING) {
break;
}
}
if (lctx == NULL) {
ngx_str_set(&msg, "No publisher");
goto error;
}
s = lctx->session;
/* find recorder */
rn = ngx_rtmp_record_find(racf, &rec);
if (rn == NGX_CONF_UNSET_UINT) {
ngx_str_set(&msg, "Recorder not found");
goto error;
}
ngx_memzero(&path, sizeof(path));
if (method->len == sizeof("start") - 1 &&
ngx_strncmp(method->data, "start", method->len) == 0)
{
rc = ngx_rtmp_record_open(s, rn, &path);
} else if (method->len == sizeof("stop") - 1 &&
ngx_strncmp(method->data, "stop", method->len) == 0)
{
rc = ngx_rtmp_record_close(s, rn, &path);
} else {
ngx_str_set(&msg, "Undefined method");
goto error;
}
if (rc == NGX_ERROR) {
ngx_str_set(&msg, "Recorder error");
goto error;
}
if (rc == NGX_AGAIN) {
/* already opened/closed */
ngx_str_null(&path);
r->header_only = 1;
}
r->headers_out.status = NGX_HTTP_OK;
r->headers_out.content_length_n = path.len;
b = ngx_create_temp_buf(r->pool, path.len);
if (b == NULL) {
return NGX_ERROR;
}
ngx_memzero(&cl, sizeof(cl));
cl.buf = b;
b->last = ngx_cpymem(b->pos, path.data, path.len);
b->last_buf = 1;
ngx_http_send_header(r);
return ngx_http_output_filter(r, &cl);
error:
r->headers_out.status = NGX_HTTP_BAD_REQUEST;
r->headers_out.content_length_n = msg.len;
b = ngx_calloc_buf(r->pool);
if (b == NULL) {
return NGX_ERROR;
}
ngx_memzero(&cl, sizeof(cl));
cl.buf = b;
b->start = b->pos = msg.data;
b->end = b->last = msg.data + msg.len;
b->memory = 1;
b->last_buf = 1;
ngx_http_send_header(r);
return ngx_http_output_filter(r, &cl);
}
static ngx_int_t
ngx_rtmp_control_handler(ngx_http_request_t *r)
{
ngx_rtmp_control_loc_conf_t *llcf;
ngx_str_t section, method;
u_char *p;
ngx_uint_t n;
llcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_control_module);
if (llcf->control == 0) {
return NGX_DECLINED;
}
/* uri format: .../section/method?args */
ngx_memzero(&section, sizeof(section));
ngx_memzero(&method, sizeof(method));
for (n = r->uri.len; n; --n) {
p = &r->uri.data[n - 1];
if (*p != '/') {
continue;
}
if (method.data) {
section.data = p + 1;
section.len = method.data - section.data - 1;
break;
}
method.data = p + 1;
method.len = r->uri.data + r->uri.len - method.data;
}
ngx_log_debug2(NGX_LOG_DEBUG_RTMP, r->connection->log, 0,
"rtmp_control: section='%V' method='%V'",
&section, &method);
#define NGX_RTMP_CONTROL_SECTION(flag, secname) \
if (llcf->control & NGX_RTMP_CONTROL_##flag && \
section.len == sizeof(#secname) - 1 && \
ngx_strncmp(section.data, #secname, sizeof(#secname) - 1) == 0) \
{ \
return ngx_rtmp_control_##secname(r, &method); \
}
NGX_RTMP_CONTROL_SECTION(RECORD, record);
#undef NGX_RTMP_CONTROL_SECTION
return NGX_DECLINED;
}
static void *
ngx_rtmp_control_create_loc_conf(ngx_conf_t *cf)
{
ngx_rtmp_control_loc_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_control_loc_conf_t));
if (conf == NULL) {
return NULL;
}
conf->control = 0;
return conf;
}
static char *
ngx_rtmp_control_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_rtmp_control_loc_conf_t *prev = parent;
ngx_rtmp_control_loc_conf_t *conf = child;
ngx_conf_merge_bitmask_value(conf->control, prev->control, 0);
return NGX_CONF_OK;
}
static ngx_int_t
ngx_rtmp_control_postconfiguration(ngx_conf_t *cf)
{
ngx_http_handler_pt *h;
ngx_http_core_main_conf_t *cmcf;
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
h = ngx_array_push(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers);
if (h == NULL) {
return NGX_ERROR;
}
*h = ngx_rtmp_control_handler;
return NGX_OK;
}

61
ngx_rtmp_record_module.c
View file

@ -27,7 +27,7 @@ static char * ngx_rtmp_record_merge_app_conf(ngx_conf_t *cf,
void *parent, void *child);
static ngx_int_t ngx_rtmp_record_write_frame(ngx_rtmp_session_t *s,
ngx_rtmp_record_rec_ctx_t *rctx,
ngx_rtmp_header_t *h, ngx_chain_t *in);
ngx_rtmp_header_t *h, ngx_chain_t *in, ngx_int_t inc_nframes);
static ngx_int_t ngx_rtmp_record_av(ngx_rtmp_session_t *s,
ngx_rtmp_header_t *h, ngx_chain_t *in);
static ngx_int_t ngx_rtmp_record_node_av(ngx_rtmp_session_t *s,
@ -177,8 +177,6 @@ ngx_rtmp_record_create_app_conf(ngx_conf_t *cf)
racf->notify = NGX_CONF_UNSET;
racf->url = NGX_CONF_UNSET_PTR;
ngx_str_set(&racf->id, "default");
if (ngx_array_init(&racf->rec, cf->pool, 1, sizeof(void *)) != NGX_OK) {
return NULL;
}
@ -269,6 +267,7 @@ ngx_int_t
ngx_rtmp_record_open(ngx_rtmp_session_t *s, ngx_uint_t n, ngx_str_t *path)
{
ngx_rtmp_record_rec_ctx_t *rctx;
ngx_int_t rc;
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: #%ui manual open", n);
@ -279,8 +278,9 @@ ngx_rtmp_record_open(ngx_rtmp_session_t *s, ngx_uint_t n, ngx_str_t *path)
return NGX_ERROR;
}
if (ngx_rtmp_record_node_open(s, rctx) != NGX_OK) {
return NGX_ERROR;
rc = ngx_rtmp_record_node_open(s, rctx);
if (rc != NGX_OK) {
return rc;
}
if (path) {
@ -295,6 +295,7 @@ ngx_int_t
ngx_rtmp_record_close(ngx_rtmp_session_t *s, ngx_uint_t n, ngx_str_t *path)
{
ngx_rtmp_record_rec_ctx_t *rctx;
ngx_int_t rc;
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
"record: #%ui manual close", n);
@ -305,8 +306,9 @@ ngx_rtmp_record_close(ngx_rtmp_session_t *s, ngx_uint_t n, ngx_str_t *path)
return NGX_ERROR;
}
if (ngx_rtmp_record_node_close(s, rctx) != NGX_OK) {
return NGX_ERROR;
rc = ngx_rtmp_record_node_close(s, rctx);
if (rc != NGX_OK) {
return rc;
}
if (path) {
@ -317,6 +319,28 @@ ngx_rtmp_record_close(ngx_rtmp_session_t *s, ngx_uint_t n, ngx_str_t *path)
}
ngx_uint_t
ngx_rtmp_record_find(ngx_rtmp_record_app_conf_t *racf, ngx_str_t *id)
{
ngx_rtmp_record_app_conf_t **pracf, *rracf;
ngx_uint_t n;
pracf = racf->rec.elts;
for (n = 0; n < racf->rec.nelts; ++n, ++pracf) {
rracf = *pracf;
if (rracf->id.len == id->len &&
ngx_strncmp(rracf->id.data, id->data, id->len) == 0)
{
return n;
}
}
return NGX_CONF_UNSET_UINT;
}
/* This funcion returns pointer to a static buffer */
static void
ngx_rtmp_record_make_path(ngx_rtmp_session_t *s,
@ -372,7 +396,7 @@ ngx_rtmp_record_node_open(ngx_rtmp_session_t *s,
rracf = rctx->conf;
if (rctx->file.fd != NGX_INVALID_FILE) {
return NGX_OK;
return NGX_AGAIN;
}
ngx_log_debug1(NGX_LOG_DEBUG_RTMP, s->connection->log, 0,
@ -541,7 +565,7 @@ ngx_rtmp_record_node_close(ngx_rtmp_session_t *s,
rracf = rctx->conf;
if (rctx->file.fd == NGX_INVALID_FILE) {
return NGX_OK;
return NGX_AGAIN;
}
if (ngx_close_file(rctx->file.fd) == NGX_FILE_ERROR) {
@ -609,7 +633,8 @@ next:
static ngx_int_t
ngx_rtmp_record_write_frame(ngx_rtmp_session_t *s,
ngx_rtmp_record_rec_ctx_t *rctx,
ngx_rtmp_header_t *h, ngx_chain_t *in)
ngx_rtmp_header_t *h, ngx_chain_t *in,
ngx_int_t inc_nframes)
{
u_char hdr[11], *p, *ph;
uint32_t timestamp, tag_size;
@ -686,7 +711,7 @@ ngx_rtmp_record_write_frame(ngx_rtmp_session_t *s,
return NGX_ERROR;
}
++rctx->nframes;
rctx->nframes += inc_nframes;
/* watch max size */
if ((rracf->max_size && rctx->file.offset >= (ngx_int_t) rracf->max_size) ||
@ -783,6 +808,12 @@ ngx_rtmp_record_node_av(ngx_rtmp_session_t *s, ngx_rtmp_record_rec_ctx_t *rctx,
}
}
if ((rracf->flags & NGX_RTMP_RECORD_MANUAL) &&
!brkframe && rctx->nframes == 0)
{
return NGX_OK;
}
if (rctx->file.fd == NGX_INVALID_FILE) {
return NGX_OK;
}
@ -835,7 +866,8 @@ ngx_rtmp_record_node_av(ngx_rtmp_session_t *s, ngx_rtmp_record_rec_ctx_t *rctx,
ch.type = NGX_RTMP_MSG_AUDIO;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->aac_header);
if (ngx_rtmp_record_write_frame(s, rctx, &ch, codec_ctx->aac_header)
if (ngx_rtmp_record_write_frame(s, rctx, &ch,
codec_ctx->aac_header, 0)
!= NGX_OK)
{
return NGX_OK;
@ -853,7 +885,8 @@ ngx_rtmp_record_node_av(ngx_rtmp_session_t *s, ngx_rtmp_record_rec_ctx_t *rctx,
ch.type = NGX_RTMP_MSG_VIDEO;
ch.mlen = ngx_rtmp_record_get_chain_mlen(codec_ctx->avc_header);
if (ngx_rtmp_record_write_frame(s, rctx, &ch, codec_ctx->avc_header)
if (ngx_rtmp_record_write_frame(s, rctx, &ch,
codec_ctx->avc_header, 0)
!= NGX_OK)
{
return NGX_OK;
@ -862,7 +895,7 @@ ngx_rtmp_record_node_av(ngx_rtmp_session_t *s, ngx_rtmp_record_rec_ctx_t *rctx,
}
}
return ngx_rtmp_record_write_frame(s, rctx, h, in);
return ngx_rtmp_record_write_frame(s, rctx, h, in, 1);
}

4
ngx_rtmp_record_module.h
View file

@ -51,6 +51,10 @@ typedef struct {
} ngx_rtmp_record_ctx_t;
ngx_uint_t ngx_rtmp_record_find(ngx_rtmp_record_app_conf_t *racf,
ngx_str_t *id);
/* Manual recording control,
* 'n' is record node index in config array.
* Note: these functions allocate path in static buffer */