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/*
* Copyright (C) Roman Arutyunyan
* Copyright (C) plainheart
* Copyright (C) Winshining
*/
#include <ngx_config.h>
#include <ngx_core.h>
#include <ngx_http.h>
#include <nginx.h>
#include "ngx_rtmp.h"
#include "ngx_rtmp_version.h"
#include "ngx_rtmp_live_module.h"
#include "ngx_rtmp_play_module.h"
#include "ngx_rtmp_codec_module.h"
static ngx_int_t ngx_rtmp_stat_init_process(ngx_cycle_t *cycle);
static char *ngx_rtmp_stat(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
static ngx_int_t ngx_rtmp_stat_postconfiguration(ngx_conf_t *cf);
static void * ngx_rtmp_stat_create_loc_conf(ngx_conf_t *cf);
static char * ngx_rtmp_stat_merge_loc_conf(ngx_conf_t *cf,
void *parent, void *child);
static time_t start_time;
#define NGX_RTMP_STAT_ALL 0xff
#define NGX_RTMP_STAT_GLOBAL 0x01
#define NGX_RTMP_STAT_LIVE 0x02
#define NGX_RTMP_STAT_CLIENTS 0x04
#define NGX_RTMP_STAT_PLAY 0x08
#define NGX_RTMP_STAT_FORMAT_XML 0x01
#define NGX_RTMP_STAT_FORMAT_JSON 0x02
/*
* global: stat-{bufs-{total,free,used}, total bytes in/out, bw in/out} - cscf
*/
typedef struct {
ngx_uint_t stat;
ngx_str_t stylesheet;
ngx_uint_t format;
} ngx_rtmp_stat_loc_conf_t;
static ngx_conf_bitmask_t ngx_rtmp_stat_masks[] = {
{ ngx_string("all"), NGX_RTMP_STAT_ALL },
{ ngx_string("global"), NGX_RTMP_STAT_GLOBAL },
{ ngx_string("live"), NGX_RTMP_STAT_LIVE },
{ ngx_string("clients"), NGX_RTMP_STAT_CLIENTS },
{ ngx_null_string, 0 }
};
static ngx_conf_bitmask_t ngx_rtmp_stat_format_masks[] = {
{ ngx_string("xml"), NGX_RTMP_STAT_FORMAT_XML },
{ ngx_string("json"), NGX_RTMP_STAT_FORMAT_JSON },
{ ngx_null_string, 0 }
};
static ngx_command_t ngx_rtmp_stat_commands[] = {
{ ngx_string("rtmp_stat"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_rtmp_stat,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_rtmp_stat_loc_conf_t, stat),
ngx_rtmp_stat_masks },
{ ngx_string("rtmp_stat_stylesheet"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_conf_set_str_slot,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_rtmp_stat_loc_conf_t, stylesheet),
NULL },
{ ngx_string("rtmp_stat_format"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
ngx_rtmp_stat,
NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_rtmp_stat_loc_conf_t, format),
ngx_rtmp_stat_format_masks },
ngx_null_command
};
static ngx_http_module_t ngx_rtmp_stat_module_ctx = {
NULL, /* preconfiguration */
ngx_rtmp_stat_postconfiguration, /* postconfiguration */
NULL, /* create main configuration */
NULL, /* init main configuration */
NULL, /* create server configuration */
NULL, /* merge server configuration */
ngx_rtmp_stat_create_loc_conf, /* create location configuration */
ngx_rtmp_stat_merge_loc_conf, /* merge location configuration */
};
ngx_module_t ngx_rtmp_stat_module = {
NGX_MODULE_V1,
&ngx_rtmp_stat_module_ctx, /* module context */
ngx_rtmp_stat_commands, /* module directives */
NGX_HTTP_MODULE, /* module type */
NULL, /* init master */
NULL, /* init module */
ngx_rtmp_stat_init_process, /* init process */
NULL, /* init thread */
NULL, /* exit thread */
NULL, /* exit process */
NULL, /* exit master */
NGX_MODULE_V1_PADDING
};
#define NGX_RTMP_STAT_BUFSIZE 256
static ngx_int_t
ngx_rtmp_stat_init_process(ngx_cycle_t *cycle)
{
/*
* HTTP process initializer is called
* after event module initializer
* so we can run posted events here
*/
ngx_event_process_posted(cycle, &ngx_rtmp_init_queue);
return NGX_OK;
}
/* ngx_escape_html does not escape characters out of ASCII range
* which are bad for xslt */
static void *
ngx_rtmp_stat_escape(ngx_http_request_t *r, void *data, size_t len)
{
u_char *p, *np;
void *new_data;
size_t n;
p = data;
for (n = 0; n < len; ++n, ++p) {
if (*p < 0x20 || *p >= 0x7f) {
break;
}
}
if (n == len) {
return data;
}
new_data = ngx_palloc(r->pool, len);
if (new_data == NULL) {
return NULL;
}
p = data;
np = new_data;
for (n = 0; n < len; ++n, ++p, ++np) {
*np = (*p < 0x20 || *p >= 0x7f) ? (u_char) ' ' : *p;
}
return new_data;
}
#if (NGX_WIN32)
/*
* Fix broken MSVC memcpy optimization for 4-byte data
* when this function is inlined
*/
__declspec(noinline)
#endif
static void
ngx_rtmp_stat_output(ngx_http_request_t *r, ngx_chain_t ***lll,
void *data, size_t len, ngx_uint_t escape)
{
ngx_chain_t *cl;
ngx_buf_t *b;
size_t real_len;
if (len == 0) {
return;
}
if (escape) {
data = ngx_rtmp_stat_escape(r, data, len);
if (data == NULL) {
return;
}
}
real_len = escape
? len + ngx_escape_html(NULL, data, len)
: len;
cl = **lll;
if (cl && cl->buf->last + real_len > cl->buf->end) {
*lll = &cl->next;
}
if (**lll == NULL) {
cl = ngx_alloc_chain_link(r->pool);
if (cl == NULL) {
return;
}
b = ngx_create_temp_buf(r->pool,
ngx_max(NGX_RTMP_STAT_BUFSIZE, real_len));
if (b == NULL || b->pos == NULL) {
return;
}
cl->next = NULL;
cl->buf = b;
**lll = cl;
}
b = (**lll)->buf;
if (escape) {
b->last = (u_char *)ngx_escape_html(b->last, data, len);
} else {
b->last = ngx_cpymem(b->last, data, len);
}
}
/* These shortcuts assume 2 variables exist in current context:
* ngx_http_request_t *r
* ngx_chain_t ***lll */
/* plain data */
#define NGX_RTMP_STAT(data, len) ngx_rtmp_stat_output(r, lll, data, len, 0)
/* escaped data */
#define NGX_RTMP_STAT_E(data, len) ngx_rtmp_stat_output(r, lll, data, len, 1)
/* literal */
#define NGX_RTMP_STAT_L(s) NGX_RTMP_STAT((s), sizeof(s) - 1)
/* ngx_str_t */
#define NGX_RTMP_STAT_S(s) NGX_RTMP_STAT((s)->data, (s)->len)
/* escaped ngx_str_t */
#define NGX_RTMP_STAT_ES(s) NGX_RTMP_STAT_E((s)->data, (s)->len)
/* C string */
#define NGX_RTMP_STAT_CS(s) NGX_RTMP_STAT((s), ngx_strlen(s))
/* escaped C string */
#define NGX_RTMP_STAT_ECS(s) NGX_RTMP_STAT_E((s), ngx_strlen(s))
#define NGX_RTMP_STAT_BW 0x01
#define NGX_RTMP_STAT_BYTES 0x02
#define NGX_RTMP_STAT_BW_BYTES 0x03
static void
ngx_rtmp_stat_bw(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_rtmp_bandwidth_t *bw, char *name,
ngx_uint_t flags)
{
u_char buf[NGX_INT64_LEN + 9];
ngx_rtmp_stat_loc_conf_t *slcf;
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
ngx_rtmp_update_bandwidth(bw, 0);
if (flags & NGX_RTMP_STAT_BW) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<bw_");
NGX_RTMP_STAT_CS(name);
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), ">%uL</bw_",
bw->bandwidth * 8)
- buf);
NGX_RTMP_STAT_CS(name);
NGX_RTMP_STAT_L(">\r\n");
} else {
NGX_RTMP_STAT_L("\"bw_");
NGX_RTMP_STAT_CS(name);
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "\":%uL,",
bw->bandwidth * 8)
- buf);
}
}
if (flags & NGX_RTMP_STAT_BYTES) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<bytes_");
NGX_RTMP_STAT_CS(name);
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), ">%uL</bytes_",
bw->bytes)
- buf);
NGX_RTMP_STAT_CS(name);
NGX_RTMP_STAT_L(">\r\n");
} else {
NGX_RTMP_STAT_L("\"bytes_");
NGX_RTMP_STAT_CS(name);
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "\":%uL,",
bw->bytes)
- buf);
}
}
}
#ifdef NGX_RTMP_POOL_DEBUG
static void
ngx_rtmp_stat_get_pool_size(ngx_pool_t *pool, ngx_uint_t *nlarge,
ngx_uint_t *size)
{
ngx_pool_large_t *l;
ngx_pool_t *p, *n;
*nlarge = 0;
for (l = pool->large; l; l = l->next) {
++*nlarge;
}
*size = 0;
for (p = pool, n = pool->d.next; /* void */; p = n, n = n->d.next) {
*size += (p->d.last - (u_char *)p);
if (n == NULL) {
break;
}
}
}
static void
ngx_rtmp_stat_dump_pool(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_pool_t *pool)
{
ngx_uint_t nlarge, size;
u_char buf[NGX_INT_T_LEN];
ngx_rtmp_stat_loc_conf_t *slcf;
size = 0;
nlarge = 0;
ngx_rtmp_stat_get_pool_size(pool, &nlarge, &size);
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<pool><nlarge>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%ui", nlarge) - buf);
NGX_RTMP_STAT_L("</nlarge><size>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%ui", size) - buf);
NGX_RTMP_STAT_L("</size></pool>\r\n");
} else {
NGX_RTMP_STAT_L("\"pool\":{\"nlarge\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%ui", nlarge) - buf);
NGX_RTMP_STAT_L(",\"size\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%ui", size) - buf);
NGX_RTMP_STAT_L("}");
}
}
#endif
static void
ngx_rtmp_stat_client(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_rtmp_session_t *s)
{
u_char buf[NGX_INT_T_LEN];
ngx_rtmp_stat_loc_conf_t *slcf;
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
#ifdef NGX_RTMP_POOL_DEBUG
ngx_rtmp_stat_dump_pool(r, lll, s->connection->pool);
if (slcf->format & NGX_RTMP_STAT_FORMAT_JSON) {
NGX_RTMP_STAT_L(",");
}
#endif
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<id>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%ui",
(ngx_uint_t) s->connection->number) - buf);
NGX_RTMP_STAT_L("</id>");
NGX_RTMP_STAT_L("<address>");
NGX_RTMP_STAT_ES(&s->connection->addr_text);
NGX_RTMP_STAT_L("</address>");
NGX_RTMP_STAT_L("<time>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%i",
(ngx_int_t) (ngx_current_msec - s->epoch)) - buf);
NGX_RTMP_STAT_L("</time>");
if (s->flashver.len) {
NGX_RTMP_STAT_L("<flashver>");
NGX_RTMP_STAT_ES(&s->flashver);
NGX_RTMP_STAT_L("</flashver>");
}
if (s->page_url.len) {
NGX_RTMP_STAT_L("<pageurl>");
NGX_RTMP_STAT_ES(&s->page_url);
NGX_RTMP_STAT_L("</pageurl>");
}
if (s->swf_url.len) {
NGX_RTMP_STAT_L("<swfurl>");
NGX_RTMP_STAT_ES(&s->swf_url);
NGX_RTMP_STAT_L("</swfurl>");
}
} else {
NGX_RTMP_STAT_L("\"id\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%ui",
(ngx_uint_t) s->connection->number) - buf);
NGX_RTMP_STAT_L(",\"address\":\"");
NGX_RTMP_STAT_ES(&s->connection->addr_text);
NGX_RTMP_STAT_L("\",\"time\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%i",
(ngx_int_t) (ngx_current_msec - s->epoch)) - buf);
NGX_RTMP_STAT_L(",");
if (s->flashver.len) {
NGX_RTMP_STAT_L("\"flashver\":\"");
NGX_RTMP_STAT_ES(&s->flashver);
NGX_RTMP_STAT_L("\",");
}
if (s->page_url.len) {
NGX_RTMP_STAT_L("\"pageurl\":\"");
NGX_RTMP_STAT_ES(&s->page_url);
NGX_RTMP_STAT_L("\",");
}
if (s->swf_url.len) {
NGX_RTMP_STAT_L("\"swfurl\":\"");
NGX_RTMP_STAT_ES(&s->swf_url);
NGX_RTMP_STAT_L("\",");
}
}
}
static char *
ngx_rtmp_stat_get_aac_profile(ngx_uint_t p, ngx_uint_t sbr, ngx_uint_t ps) {
switch (p) {
case 1:
return "Main";
case 2:
if (ps) {
return "HEv2";
}
if (sbr) {
return "HE";
}
return "LC";
case 3:
return "SSR";
case 4:
return "LTP";
case 5:
return "SBR";
default:
return "";
}
}
static char *
ngx_rtmp_stat_get_avc_profile(ngx_uint_t p) {
switch (p) {
case 66:
return "Baseline";
case 77:
return "Main";
case 100:
return "High";
default:
return "";
}
}
static void
ngx_rtmp_stat_live(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_rtmp_live_app_conf_t *lacf)
{
ngx_rtmp_live_stream_t *stream;
ngx_rtmp_codec_ctx_t *codec;
ngx_rtmp_live_ctx_t *ctx;
ngx_rtmp_session_t *s;
ngx_int_t n;
ngx_uint_t nclients, total_nclients;
ngx_uint_t f;
ngx_flag_t prev;
u_char buf[NGX_INT64_LEN + 4];
u_char bbuf[NGX_INT32_LEN];
ngx_rtmp_stat_loc_conf_t *slcf;
u_char *cname;
if (!lacf->live) {
return;
}
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<live>\r\n");
} else {
NGX_RTMP_STAT_L(",\"live\":{");
NGX_RTMP_STAT_L("\"streams\":[");
}
total_nclients = 0;
prev = 0;
for (n = 0; n < lacf->nbuckets; ++n) {
for (stream = lacf->streams[n]; stream; stream = stream->next) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<stream>\r\n");
} else {
if (prev) {
NGX_RTMP_STAT_L(",");
}
prev = 1;
NGX_RTMP_STAT_L("{");
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<name>");
NGX_RTMP_STAT_ECS(stream->name);
NGX_RTMP_STAT_L("</name>\r\n");
NGX_RTMP_STAT_L("<time>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%i",
(ngx_int_t) (ngx_current_msec - stream->epoch))
- buf);
NGX_RTMP_STAT_L("</time>");
} else {
NGX_RTMP_STAT_L("\"name\":\"");
NGX_RTMP_STAT_ECS(stream->name);
NGX_RTMP_STAT_L("\",");
NGX_RTMP_STAT_L("\"time\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf), "%i",
(ngx_int_t) (ngx_current_msec - stream->epoch))
- buf);
NGX_RTMP_STAT_L(",");
}
ngx_rtmp_stat_bw(r, lll, &stream->bw_in, "in",
NGX_RTMP_STAT_BW_BYTES);
ngx_rtmp_stat_bw(r, lll, &stream->bw_out, "out",
NGX_RTMP_STAT_BW_BYTES);
ngx_rtmp_stat_bw(r, lll, &stream->bw_in_audio, "audio",
NGX_RTMP_STAT_BW);
ngx_rtmp_stat_bw(r, lll, &stream->bw_in_video, "video",
NGX_RTMP_STAT_BW);
nclients = 0;
codec = NULL;
if (slcf->stat & NGX_RTMP_STAT_CLIENTS &&
slcf->format & NGX_RTMP_STAT_FORMAT_JSON)
{
NGX_RTMP_STAT_L("\"clients\":[");
}
for (ctx = stream->ctx; ctx; ctx = ctx->next, ++nclients) {
s = ctx->session;
if (slcf->stat & NGX_RTMP_STAT_CLIENTS) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<client>");
} else {
NGX_RTMP_STAT_L("{");
}
ngx_rtmp_stat_client(r, lll, s);
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<dropped>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", ctx->ndropped) - buf);
NGX_RTMP_STAT_L("</dropped>");
NGX_RTMP_STAT_L("<avsync>");
if (!lacf->interleave) {
NGX_RTMP_STAT(bbuf, ngx_snprintf(bbuf, sizeof(bbuf),
"%D", ctx->cs[1].timestamp -
ctx->cs[0].timestamp) - bbuf);
}
NGX_RTMP_STAT_L("</avsync>");
NGX_RTMP_STAT_L("<timestamp>");
NGX_RTMP_STAT(bbuf, ngx_snprintf(bbuf, sizeof(bbuf),
"%D", s->current_time) - bbuf);
NGX_RTMP_STAT_L("</timestamp>");
if (ctx->publishing) {
NGX_RTMP_STAT_L("<publishing/>");
}
if (ctx->active) {
NGX_RTMP_STAT_L("<active/>");
}
} else {
NGX_RTMP_STAT_L("\"dropped\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", ctx->ndropped) - buf);
NGX_RTMP_STAT_L(",\"avsync\":");
if (!lacf->interleave) {
NGX_RTMP_STAT(bbuf, ngx_snprintf(bbuf, sizeof(bbuf),
"%D", ctx->cs[1].timestamp -
ctx->cs[0].timestamp) - bbuf);
}
NGX_RTMP_STAT_L(",\"timestamp\":");
NGX_RTMP_STAT(bbuf, ngx_snprintf(bbuf, sizeof(bbuf),
"%D", s->current_time) - bbuf);
NGX_RTMP_STAT_L(",\"publishing\":");
if (ctx->publishing) {
NGX_RTMP_STAT_L("true");
} else {
NGX_RTMP_STAT_L("false");
}
NGX_RTMP_STAT_L(",\"active\":");
if (ctx->active) {
NGX_RTMP_STAT_L("true");
} else {
NGX_RTMP_STAT_L("false");
}
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("</client>\r\n");
} else {
NGX_RTMP_STAT_L("}");
if (ctx->next) {
NGX_RTMP_STAT_L(",");
}
}
}
if (ctx->publishing) {
codec = ngx_rtmp_get_module_ctx(s, ngx_rtmp_codec_module);
}
}
total_nclients += nclients;
if (slcf->stat & NGX_RTMP_STAT_CLIENTS &&
slcf->format & NGX_RTMP_STAT_FORMAT_JSON)
{
NGX_RTMP_STAT_L("],");
}
if (codec) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<meta>");
NGX_RTMP_STAT_L("<video>");
NGX_RTMP_STAT_L("<width>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->width) - buf);
NGX_RTMP_STAT_L("</width><height>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->height) - buf);
NGX_RTMP_STAT_L("</height><frame_rate>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%.3f", codec->frame_rate) - buf);
NGX_RTMP_STAT_L("</frame_rate>");
cname = ngx_rtmp_get_video_codec_name(codec->video_codec_id);
if (*cname) {
NGX_RTMP_STAT_L("<codec>");
NGX_RTMP_STAT_ECS(cname);
NGX_RTMP_STAT_L("</codec>");
}
if (codec->avc_profile) {
NGX_RTMP_STAT_L("<profile>");
NGX_RTMP_STAT_CS(
ngx_rtmp_stat_get_avc_profile(codec->avc_profile));
NGX_RTMP_STAT_L("</profile>");
}
if (codec->avc_compat) {
NGX_RTMP_STAT_L("<compat>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->avc_compat) - buf);
NGX_RTMP_STAT_L("</compat>");
}
if (codec->avc_level) {
NGX_RTMP_STAT_L("<level>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%.1f", codec->avc_level / 10.) - buf);
NGX_RTMP_STAT_L("</level>");
}
NGX_RTMP_STAT_L("</video>");
NGX_RTMP_STAT_L("<audio>");
cname = ngx_rtmp_get_audio_codec_name(codec->audio_codec_id);
if (*cname) {
NGX_RTMP_STAT_L("<codec>");
NGX_RTMP_STAT_ECS(cname);
NGX_RTMP_STAT_L("</codec>");
}
if (codec->aac_profile) {
NGX_RTMP_STAT_L("<profile>");
NGX_RTMP_STAT_CS(
ngx_rtmp_stat_get_aac_profile(codec->aac_profile,
codec->aac_sbr,
codec->aac_ps));
NGX_RTMP_STAT_L("</profile>");
}
if (codec->aac_chan_conf) {
NGX_RTMP_STAT_L("<channels>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->aac_chan_conf) - buf);
NGX_RTMP_STAT_L("</channels>");
} else if (codec->audio_channels) {
NGX_RTMP_STAT_L("<channels>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->audio_channels) - buf);
NGX_RTMP_STAT_L("</channels>");
}
if (codec->sample_rate) {
NGX_RTMP_STAT_L("<sample_rate>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->sample_rate) - buf);
NGX_RTMP_STAT_L("</sample_rate>");
}
NGX_RTMP_STAT_L("</audio>");
NGX_RTMP_STAT_L("</meta>\r\n");
} else {
NGX_RTMP_STAT_L("\"meta\":{");
NGX_RTMP_STAT_L("\"video\":{");
NGX_RTMP_STAT_L("\"width\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->width) - buf);
NGX_RTMP_STAT_L(",\"height\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->height) - buf);
NGX_RTMP_STAT_L(",\"frame_rate\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%.3f", codec->frame_rate) - buf);
cname = ngx_rtmp_get_video_codec_name(codec->video_codec_id);
if (*cname) {
NGX_RTMP_STAT_L(",\"codec\":\"");
NGX_RTMP_STAT_ECS(cname);
NGX_RTMP_STAT_L("\"");
}
if (codec->avc_profile) {
NGX_RTMP_STAT_L(",\"profile\":\"");
NGX_RTMP_STAT_CS(ngx_rtmp_stat_get_avc_profile(
codec->avc_profile));
NGX_RTMP_STAT_L("\"");
}
if (codec->avc_compat) {
NGX_RTMP_STAT_L(",\"compat\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->avc_compat) - buf);
}
if (codec->avc_level) {
NGX_RTMP_STAT_L(",\"level\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%.1f", codec->avc_level / 10.) - buf);
}
NGX_RTMP_STAT_L("},\"audio\":{");
cname = ngx_rtmp_get_audio_codec_name(codec->audio_codec_id);
f = 0;
if (*cname) {
f = 1;
NGX_RTMP_STAT_L("\"codec\":\"");
NGX_RTMP_STAT_ECS(cname);
}
if (codec->aac_profile) {
if (f == 1) NGX_RTMP_STAT_L("\",");
f = 2;
NGX_RTMP_STAT_L("\"profile\":\"");
NGX_RTMP_STAT_CS(
ngx_rtmp_stat_get_aac_profile(codec->aac_profile,
codec->aac_sbr,
codec->aac_ps));
}
if (codec->aac_chan_conf) {
if (f >= 1) NGX_RTMP_STAT_L("\",");
f = 3;
NGX_RTMP_STAT_L("\"channels\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->aac_chan_conf) - buf);
} else if (codec->audio_channels) {
if (f >= 1) NGX_RTMP_STAT_L("\",");
f = 3;
NGX_RTMP_STAT_L("\"channels\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->audio_channels) - buf);
}
if (codec->sample_rate) {
if (f == 1 || f == 2) {
NGX_RTMP_STAT_L("\",");
} else if (f == 3) {
NGX_RTMP_STAT_L(",");
}
f = 4;
NGX_RTMP_STAT_L("\"sample_rate\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", codec->sample_rate) - buf);
}
if (f == 1 || f == 2) {
NGX_RTMP_STAT_L("\"");
}
NGX_RTMP_STAT_L("}}");
}
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<nclients>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", nclients) - buf);
NGX_RTMP_STAT_L("</nclients>\r\n");
if (stream->publishing) {
NGX_RTMP_STAT_L("<publishing/>\r\n");
}
if (stream->active) {
NGX_RTMP_STAT_L("<active/>\r\n");
}
NGX_RTMP_STAT_L("</stream>\r\n");
} else {
if (codec) {
NGX_RTMP_STAT_L(",");
}
NGX_RTMP_STAT_L("\"nclients\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", nclients) - buf);
NGX_RTMP_STAT_L(",\"publishing\":");
if (stream->publishing) {
NGX_RTMP_STAT_L("true");
} else {
NGX_RTMP_STAT_L("false");
}
NGX_RTMP_STAT_L(",\"active\":");
if (stream->active) {
NGX_RTMP_STAT_L("true");
} else {
NGX_RTMP_STAT_L("false");
}
NGX_RTMP_STAT_L("}");
}
}
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<nclients>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", total_nclients) - buf);
NGX_RTMP_STAT_L("</nclients>\r\n");
NGX_RTMP_STAT_L("</live>\r\n");
} else {
NGX_RTMP_STAT_L("],\"nclients\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", total_nclients) - buf);
NGX_RTMP_STAT_L("}");
}
}
static void
ngx_rtmp_stat_play(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_rtmp_play_app_conf_t *pacf)
{
ngx_rtmp_play_ctx_t *ctx, *sctx;
ngx_rtmp_session_t *s;
ngx_uint_t n, nclients, total_nclients;
ngx_flag_t prev;
u_char buf[NGX_INT_T_LEN];
u_char bbuf[NGX_INT32_LEN];
ngx_rtmp_stat_loc_conf_t *slcf;
if (pacf->entries.nelts == 0) {
return;
}
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<play>\r\n");
} else {
NGX_RTMP_STAT_L(",\"play\":{");
NGX_RTMP_STAT_L("\"streams\":[");
}
total_nclients = 0;
prev = 0;
for (n = 0; n < pacf->nbuckets; ++n) {
for (ctx = pacf->ctx[n]; ctx; ) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<stream>\r\n");
NGX_RTMP_STAT_L("<name>");
NGX_RTMP_STAT_ECS(ctx->name);
NGX_RTMP_STAT_L("</name>\r\n");
} else {
if (prev) {
NGX_RTMP_STAT_L(",");
}
prev = 1;
NGX_RTMP_STAT_L("{\"name\":\"");
NGX_RTMP_STAT_ECS(ctx->name);
NGX_RTMP_STAT_L("\",\"clients\":[");
}
nclients = 0;
sctx = ctx;
for (; ctx; ctx = ctx->next) {
if (ngx_strcmp(ctx->name, sctx->name)) {
break;
}
nclients++;
s = ctx->session;
if (slcf->stat & NGX_RTMP_STAT_CLIENTS) {
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<client>");
ngx_rtmp_stat_client(r, lll, s);
NGX_RTMP_STAT_L("<timestamp>");
NGX_RTMP_STAT(bbuf, ngx_snprintf(bbuf, sizeof(bbuf),
"%D", s->current_time) - bbuf);
NGX_RTMP_STAT_L("</timestamp>");
NGX_RTMP_STAT_L("</client>\r\n");
} else {
NGX_RTMP_STAT_L("{");
ngx_rtmp_stat_client(r, lll, s);
NGX_RTMP_STAT_L("\"timestamp\":");
NGX_RTMP_STAT(bbuf, ngx_snprintf(bbuf, sizeof(bbuf),
"%D", s->current_time) - bbuf);
NGX_RTMP_STAT_L("}");
}
}
}
total_nclients += nclients;
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<active/>");
NGX_RTMP_STAT_L("<nclients>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", nclients) - buf);
NGX_RTMP_STAT_L("</nclients>\r\n");
NGX_RTMP_STAT_L("</stream>\r\n");
} else {
NGX_RTMP_STAT_L("],");
NGX_RTMP_STAT_L("\"active\":true,");
NGX_RTMP_STAT_L("\"nclients\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", nclients) - buf);
NGX_RTMP_STAT_L("}");
}
}
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<nclients>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", total_nclients) - buf);
NGX_RTMP_STAT_L("</nclients>\r\n");
NGX_RTMP_STAT_L("</play>\r\n");
} else {
NGX_RTMP_STAT_L("],\"nclients\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", total_nclients) - buf);
NGX_RTMP_STAT_L("}");
}
}
static void
ngx_rtmp_stat_application(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_rtmp_core_srv_conf_t *cscf, ngx_rtmp_core_app_conf_t *cacf)
{
ngx_rtmp_stat_loc_conf_t *slcf;
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<application>\r\n");
NGX_RTMP_STAT_L("<name>");
NGX_RTMP_STAT_ES(&cacf->name);
NGX_RTMP_STAT_L("</name>\r\n");
} else {
NGX_RTMP_STAT_L("{");
NGX_RTMP_STAT_L("\"name\":\"");
NGX_RTMP_STAT_ES(&cacf->name);
NGX_RTMP_STAT_L("\"");
}
if (slcf->stat & NGX_RTMP_STAT_LIVE) {
ngx_rtmp_stat_live(r, lll,
cacf->app_conf[ngx_rtmp_live_module.ctx_index]);
}
if (slcf->stat & NGX_RTMP_STAT_PLAY) {
ngx_rtmp_stat_play(r, lll,
cacf->app_conf[ngx_rtmp_play_module.ctx_index]);
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("</application>\r\n");
} else {
NGX_RTMP_STAT_L("}");
}
}
static void
ngx_rtmp_stat_server(ngx_http_request_t *r, ngx_chain_t ***lll,
ngx_rtmp_core_srv_conf_t *cscf)
{
u_char buf[NGX_INT_T_LEN];
size_t n;
ngx_rtmp_core_app_conf_t **cacf;
ngx_rtmp_stat_loc_conf_t *slcf;
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<server>\r\n");
NGX_RTMP_STAT_L("<port>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", cscf->port) - buf);
NGX_RTMP_STAT_L("</port>\r\n");
NGX_RTMP_STAT_L("<server_index>");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", cscf->index) - buf);
NGX_RTMP_STAT_L("</server_index>\r\n");
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_JSON) {
NGX_RTMP_STAT_L("{");
NGX_RTMP_STAT_L("\"port\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", cscf->port) - buf);
NGX_RTMP_STAT_L(",");
NGX_RTMP_STAT_L("\"server_index\":");
NGX_RTMP_STAT(buf, ngx_snprintf(buf, sizeof(buf),
"%ui", cscf->index) - buf);
NGX_RTMP_STAT_L(",");
}
#ifdef NGX_RTMP_POOL_DEBUG
ngx_rtmp_stat_dump_pool(r, lll, cscf->pool);
if (slcf->format & NGX_RTMP_STAT_FORMAT_JSON) {
NGX_RTMP_STAT_L(",");
}
#endif
if (slcf->format & NGX_RTMP_STAT_FORMAT_JSON) {
NGX_RTMP_STAT_L("\"applications\":[");
}
cacf = cscf->applications.elts;
for (n = 0; n < cscf->applications.nelts; ++n, ++cacf) {
ngx_rtmp_stat_application(r, lll, cscf, *cacf);
if (slcf->format & NGX_RTMP_STAT_FORMAT_JSON &&
n < cscf->applications.nelts - 1)
{
NGX_RTMP_STAT_L(",");
}
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("</server>\r\n");
} else {
NGX_RTMP_STAT_L("]}");
}
}
static ngx_int_t
ngx_rtmp_stat_handler(ngx_http_request_t *r)
{
ngx_rtmp_stat_loc_conf_t *slcf;
ngx_rtmp_core_main_conf_t *cmcf;
ngx_rtmp_core_srv_conf_t **cscf;
ngx_chain_t *cl, *l, **ll, ***lll;
size_t n;
off_t len;
static u_char tbuf[NGX_TIME_T_LEN];
static u_char nbuf[NGX_INT_T_LEN];
slcf = ngx_http_get_module_loc_conf(r, ngx_rtmp_stat_module);
if (slcf->stat == 0) {
return NGX_DECLINED;
}
if (slcf->format == 0) {
slcf->format = NGX_RTMP_STAT_FORMAT_XML;
}
cmcf = ngx_rtmp_core_main_conf;
if (cmcf == NULL) {
goto error;
}
cl = NULL;
ll = &cl;
lll = ≪
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n");
if (slcf->stylesheet.len) {
NGX_RTMP_STAT_L("<?xml-stylesheet type=\"text/xsl\" href=\"");
NGX_RTMP_STAT_ES(&slcf->stylesheet);
NGX_RTMP_STAT_L("\" ?>\r\n");
}
NGX_RTMP_STAT_L("<http-flv>\r\n");
#ifdef NGINX_VERSION
NGX_RTMP_STAT_L("<nginx_version>" NGINX_VERSION "</nginx_version>\r\n");
#endif
#ifdef NGINX_RTMP_VERSION
NGX_RTMP_STAT_L("<nginx_http_flv_version>"
NGINX_RTMP_VERSION
"</nginx_http_flv_version>\r\n");
#endif
#ifdef NGX_COMPILER
NGX_RTMP_STAT_L("<compiler>" NGX_COMPILER "</compiler>\r\n");
#endif
NGX_RTMP_STAT_L("<built>" __DATE__ " " __TIME__ "</built>\r\n");
NGX_RTMP_STAT_L("<pid>");
NGX_RTMP_STAT(nbuf, ngx_snprintf(nbuf, sizeof(nbuf),
"%ui", (ngx_uint_t) ngx_getpid()) - nbuf);
NGX_RTMP_STAT_L("</pid>\r\n");
NGX_RTMP_STAT_L("<uptime>");
NGX_RTMP_STAT(tbuf, ngx_snprintf(tbuf, sizeof(tbuf),
"%T", ngx_cached_time->sec - start_time) - tbuf);
NGX_RTMP_STAT_L("</uptime>\r\n");
NGX_RTMP_STAT_L("<naccepted>");
NGX_RTMP_STAT(nbuf, ngx_snprintf(nbuf, sizeof(nbuf),
"%ui", ngx_rtmp_naccepted) - nbuf);
NGX_RTMP_STAT_L("</naccepted>\r\n");
} else {
NGX_RTMP_STAT_L("{\"http-flv\":{");
#ifdef NGINX_VERSION
NGX_RTMP_STAT_L("\"nginx_version\":\"" NGINX_VERSION "\",");
#endif
#ifdef NGINX_RTMP_VERSION
NGX_RTMP_STAT_L("\"nginx_http_flv_version\":\""
NGINX_RTMP_VERSION
"\",");
#endif
#ifdef NGX_COMPILER
NGX_RTMP_STAT_L("\"compiler\":\"" NGX_COMPILER "\",");
#endif
NGX_RTMP_STAT_L("\"built\":\"" __DATE__ " " __TIME__ "\",");
NGX_RTMP_STAT_L("\"pid\":");
NGX_RTMP_STAT(nbuf, ngx_snprintf(nbuf, sizeof(nbuf),
"%ui", (ngx_uint_t) ngx_getpid()) - nbuf);
NGX_RTMP_STAT_L(",");
NGX_RTMP_STAT_L("\"uptime\":");
NGX_RTMP_STAT(tbuf, ngx_snprintf(tbuf, sizeof(tbuf),
"%T", ngx_cached_time->sec - start_time) - tbuf);
NGX_RTMP_STAT_L(",");
NGX_RTMP_STAT_L("\"naccepted\":");
NGX_RTMP_STAT(nbuf, ngx_snprintf(nbuf, sizeof(nbuf),
"%ui", ngx_rtmp_naccepted) - nbuf);
NGX_RTMP_STAT_L(",");
}
ngx_rtmp_stat_bw(r, lll, &ngx_rtmp_bw_in, "in", NGX_RTMP_STAT_BW_BYTES);
ngx_rtmp_stat_bw(r, lll, &ngx_rtmp_bw_out, "out", NGX_RTMP_STAT_BW_BYTES);
if (slcf->format & NGX_RTMP_STAT_FORMAT_JSON) {
NGX_RTMP_STAT_L("\"servers\":[");
}
cscf = cmcf->servers.elts;
for (n = 0; n < cmcf->servers.nelts; ++n, ++cscf) {
ngx_rtmp_stat_server(r, lll, *cscf);
if (n < cmcf->servers.nelts - 1 &&
slcf->format & NGX_RTMP_STAT_FORMAT_JSON)
{
NGX_RTMP_STAT_L(",");
}
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
NGX_RTMP_STAT_L("</http-flv>\r\n");
} else {
NGX_RTMP_STAT_L("]}}");
}
len = 0;
for (l = cl; l; l = l->next) {
len += (l->buf->last - l->buf->pos);
}
if (slcf->format & NGX_RTMP_STAT_FORMAT_XML) {
ngx_str_set(&r->headers_out.content_type, "text/xml");
} else {
ngx_str_set(&r->headers_out.content_type, "application/json");
}
r->headers_out.content_length_n = len;
r->headers_out.status = NGX_HTTP_OK;
ngx_http_send_header(r);
(*ll)->buf->last_buf = 1;
return ngx_http_output_filter(r, cl);
error:
r->headers_out.status = NGX_HTTP_INTERNAL_SERVER_ERROR;
r->headers_out.content_length_n = 0;
return ngx_http_send_header(r);
}
static void *
ngx_rtmp_stat_create_loc_conf(ngx_conf_t *cf)
{
ngx_rtmp_stat_loc_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_rtmp_stat_loc_conf_t));
if (conf == NULL) {
return NULL;
}
conf->stat = 0;
return conf;
}
static char *
ngx_rtmp_stat_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
{
ngx_rtmp_stat_loc_conf_t *prev = parent;
ngx_rtmp_stat_loc_conf_t *conf = child;
ngx_conf_merge_bitmask_value(conf->stat, prev->stat, 0);
ngx_conf_merge_str_value(conf->stylesheet, prev->stylesheet, "");
return NGX_CONF_OK;
}
static char *
ngx_rtmp_stat(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf;
clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module);
clcf->handler = ngx_rtmp_stat_handler;
return ngx_conf_set_bitmask_slot(cf, cmd, conf);
}
static ngx_int_t
ngx_rtmp_stat_postconfiguration(ngx_conf_t *cf)
{
start_time = ngx_cached_time->sec;
return NGX_OK;
}
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