v3_EN_HTTPApi

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HTTP API

SRS provides HTTP api, to external application to manage SRS, and support crossdomain for js.

Once HTTP API enabled, you can use srs-console to connect to your SRS server.

Design Priciple

The HTTP API of SRS follows the simple priciple:

Only provides API in json format, both request and json are json.
Please use srs-console to access API.
When error, response in HTTP status or code in json.

Build

SRS always enable the http api, read configure

./configure && make

Config

The config also need to enable it:

listen              1935;
# system statistics section.
# the main cycle will retrieve the system stat,
# for example, the cpu/mem/network/disk-io data,
# the http api, for instance, /api/v1/summaries will show these data.
# @remark the heartbeat depends on the network,
#       for example, the eth0 maybe the device which index is 0.
stats {
    # the index of device ip.
    # we may retrieve more than one network device.
    # default: 0
    network         0;
    # the device name to stat the disk iops.
    # ignore the device of /proc/diskstats if not configed.
    disk            sda sdb xvda xvdb;
}
# api of srs.
# the http api config, export for external program to manage srs.
# user can access http api of srs in browser directly, for instance, to access by:
#       curl http://192.168.1.170:1985/api/v1/reload
# which will reload srs, like cmd killall -1 srs, but the js can also invoke the http api,
# where the cli can only be used in shell/terminate.
http_api {
    # whether http api is enabled.
    # default: off
    enabled         on;
    # the http api listen entry is <[ip:]port>
    # for example, 192.168.1.100:1985
    # where the ip is optional, default to 0.0.0.0, that is 1985 equals to 0.0.0.0:1985
    # default: 1985
    listen          1985;
    # whether enable crossdomain request.
    # default: on
    crossdomain     on;
    # the HTTP RAW API is more powerful api to change srs state and reload.
    raw_api {
        # whether enable the HTTP RAW API.
        # default: off
        enabled             off;
        # whether enable rpc reload.
        # default: off
        allow_reload        off;
        # whether enable rpc query.
        # default: off
        allow_query         off;
        # whether enable rpc update.
        # default: off
        allow_update        off;
    }
}
vhost __defaultVhost__ {
}

The http_api enable the HTTP API, and stats used for SRS to stat the system info, including:

network: Used for heartbeat to report the network info, where heartbeat used to report system info. Please read Heartbeat
disk: Used to stat the specified disk iops. You can use command cat /proc/diskstats to get the right disk names, for instance, xvda.

Start

Start SRS: ./objs/srs -c http-api.conf

Access api, open the url in web browser: http://192.168.1.170:1985/api/v1

Remark: Please use your server ip instead.

Performance

The HTTP api supports 370 request per seconds.

Access Api

Use web brower, or curl, or other http library.

SRS provides api urls list, no need to remember:

code, an int error code. 0 is success.
urls, the url lists, can be access.
data, the last level api serve data.

Root directory:

# curl http://192.168.1.102:1985/
    "urls": {
        "api": "the api root"
    }

The urls is the apis to access:

# curl http://192.168.1.102:1985/api/
    "urls": {
        "v1": "the api version 1.0"
    }

Go on:

# curl http://192.168.1.102:1985/api/v1/
    "urls": {
        "versions": "the version of SRS",
        "authors": "the primary authors and contributors"
    }

Go on:

# curl http://192.168.1.102:1985/api/v1/versions
        "major": 0,
        "minor": 9,
        "revision": 43,
        "version": "0.9.43"

Or:

# curl http://192.168.1.102:1985/api/v1/authors
        "primary_authors": "winlin,wenjie.zhao",
        "contributors_link": "https://github.com/ossrs/srs/blob/master/AUTHORS.txt",
        "contributors": "winlin<winlin@vip.126.com> wenjie.zhao<740936897@qq.com> xiangcheng.liu<liuxc0116@foxmail.com> naijia.liu<youngcow@youngcow.net> alcoholyi<alcoholyi@qq.com> "

The Api of SRS is self-describes api.

Error Code

SRS response error in both HTTP status or HTTP body.

For example, SRS response HTTP error, where HTTP status not 200:

winlin:~ winlin$ curl -v http://127.0.0.1:1985 && echo ""
< HTTP/1.1 404 Not Found
< Connection: Keep-Alive
< Content-Length: 9
< Content-Type: text/plain; charset=utf-8
< Server: SRS/2.0.184
< 
Not Found

For example, SRS response code not 0 when HTTTP Status 200:

winlin:~ winlin$ curl -v http://127.0.0.1:1985/api/v1/tests/errors && echo ""
< HTTP/1.1 200 OK
< Connection: Keep-Alive
< Content-Length: 12
< Content-Type: application/json
< Server: SRS/2.0.184
< 
{"code":100}

User should handle these two error style.

Crossdomain

SRS HTTP API supports js crossdomain, so the html/js can invoke http api of srs。

SRS support two main CROS styles:

OPTIONS: JQuery can directly access the CROS, where the brower will send an OPTIONS first, then the API request.
JSONP: JQuery/Angularjs can send JSONP CROS request to SRS API, where specifes the function name by QueryString callback.
JSONP-DELETE: JSONP only support GET, so we use the method in QueryString to override the HTTP method for JSONP.

For example, the JSONP crossdomain request:

GET http://localhost:1985/api/v1/vhosts/?callback=JSON_CALLBACK
JSON_CALLBACK({"code":0,"server":13449})
GET http://localhost:1985/api/v1/vhosts/100?callback=JSON_CALLBACK&method=DELETE
JSON_CALLBACK({"code":0})

Server ID

Each response of api contains a server field, which identify the server. When ServerID changed, SRS already restarted, all information before is invalid.

API Nevigation

SRS provides the nevigation of APIs.

User can access the http://192.168.1.102:1985/api/v1, where:

API	Example	Description
server	4481	The identity of SRS
versions	/api/v1/versions	the version of SRS
summaries	/api/v1/summaries	the summary(pid, argv, pwd, cpu, mem) of SRS
rusages	/api/v1/rusages	the rusage of SRS
self_proc_stats	/api/v1/self_proc_stats	the self process stats
system_proc_stats	/api/v1/system_proc_stats	the system process stats
meminfos	/api/v1/meminfos	the meminfo of system
authors	/api/v1/authors	the license, copyright, authors and contributors
features	/api/v1/features	the supported features of SRS
requests	/api/v1/requests	the request itself, for http debug
vhosts	/api/v1/vhosts	manage all vhosts or specified vhost
streams	/api/v1/streams	manage all streams or specified stream
clients	/api/v1/clients	manage all clients or specified client, default query top 10 clients
configs	/api/v1/configs	RAW API for CUID the configs

Summaries

User can get the system summaries, for instance, the memory, cpu, network, load usage.

Please access the url http://192.168.1.170:1985/api/v1/summaries

Vhosts

SRS provides http api to query all vhosts.

The http api vhost url: http://192.168.1.102:1985/api/v1/vhosts

To process specified vhost by id, for instance http://192.168.1.102:1985/api/v1/vhosts/3756

Streams

SRS provides http api to query all streams.

The http api stream url: http://192.168.1.102:1985/api/v1/streams

To process specified stream by id, for instance http://192.168.1.102:1985/api/v1/streams/3756

Clients

SRS provides http api to query clients, default to get top 10 clients.

The http api client url: http://192.168.1.102:1985/api/v1/clients

To process specified client by id, for instance http://192.168.1.102:1985/api/v1/clients/3756

Kickoff Client

SRS provides HTTP RESTful api to kickoff user:

DELETE /api/v1/clients/{id}

User can get the id of client to kickoff:

GET /api/v1/clients

User can get the id of publish client from streams api:

GET /api/v1/streams
or GET /api/v1/streams/6745

The client cid is the info from stream api stream.publish.cid:

1. GET http://192.168.1.170:1985/api/v1/streams/6745
2. Response stream.publish.cid:
stream: {
    publish: {
        active: true,
        cid: 107
    }
}
3. DELETE http://192.168.1.170:1985/api/v1/clients/107

Remark: User can use HTTP REST Tool to send a request.

Remark: User can use linux tool curl to start HTTP request. For example:

curl -v -X GET http://192.168.1.170:1985/api/v1/clients/426 && echo ""
curl -v -X DELETE http://192.168.1.170:1985/api/v1/clients/426 && echo ""

Persistence Config

HTTP RAW API will reload and persistence config to file.

To reformat config without comments.
To support HTTP RAW API, please read HTTP RAW API.

Remark: Signal SIGUSR1 used for Log Rotate, not for persistence config anymore.

The config persistence file maybe:

listen 1935;
max_connections 1000;
daemon off;
srs_log_tank console;
pithy_print_ms 1000;
http_api {
    enabled on;
    listen 1985;
}
http_server {
    enabled on;
    listen 8080;
}
stream_caster {
    enabled off;
    caster flv;
    output rtmp://127.0.0.1/[app]/[stream];
    listen 8936;
}
vhost __defaultVhost__ {
    ingest livestream {
        enabled on;
        input {
            type file;
            url doc/source.200kbps.768x320.flv;
        }
        ffmpeg ./objs/ffmpeg/bin/ffmpeg;
        engine {
            enabled off;
            output rtmp://127.0.0.1:[port]/live?vhost=[vhost]/livestream;
        }
    }
    http_remux {
        enabled off;
        mount [vhost]/[app]/[stream].flv;
        hstrs on;
    }
}

HTTP RAW API

SRS supports powerful HTTP RAW API, while other server only support Read API, for instance, to get the stat of server. SRS supports Write API, which can Reload or change server state.

Remark: User must enable the HTTP RAW API, in config section http_api to enable the http_api.raw_api.enabled, or SRS will response error code 1061.

http_api {
    enabled         on;
    listen          1985;
    raw_api {
        enabled             on;
        allow_reload        on;
        allow_query         on;
        allow_update        on;
    }
}

The supported HTTP RAW APi of SRS is:

Raw: To query the HTTP RAW API config.
Reload: To reload the SRS.
Query: Query the global and vhost config of SRS.
Update: Update the global and vhost config of SRS.
Vhost: Vhost is a subset of update.
DVR: DVR is a subset of update.

Raw

Key	DESC
feature	Query the HTTP RAW API info.
url	`/api/v1/raw?rpc=raw`
curl	`curl http://127.0.0.1:1985/api/v1/raw?rpc=raw`
config	No config
params	No params

RAW Reload

Key	DESC
feature	Reload is the same to `killall -1 srs` to reload the config
url	`/api/v1/raw?rpc=reload`
curl	`curl http://127.0.0.1:1985/api/v1/raw?rpc=reload`
params	No params

RAW Query

Key	DESC
feature	Query the global config of SRS
url	`/api/v1/raw?rpc=query&scope=global`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=query&scope=global'`
config	`allow_query on;`
params	`scope=global`, to query global config of SRS

Key	DESC
feature	Query the minimal global config of SRS
url	`/api/v1/raw?rpc=query&scope=minimal`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=query&scope=minimal'`
config	`allow_query on;`
params	`scope=minimal`, to query minimal global config of SRS

Key	DESC
feature	Query specified vhost config.
url	`/api/v1/raw?rpc=query&scope=vhost&vhost=__defaultVhost__`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=query&scope=vhost&vhost=__defaultVhost__'`
config	`allow_query on;`
params	`scope=vhost&vhost=xxx`, query specified vhost.

RAW Update

Key	DESC
feature	Update global listen port
url	`/api/v1/raw?rpc=update&scope=listen&value=1935,1936`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=listen&value=1935,1936'`
config	`allow_update on;`
params	`scope=listen&value=1935,1936`, specifies the listen port list
require	Int port list split by comma, for instance, 1935,1936,1937

Key	DESC
feature	Update the pid file of SRS
url	`/api/v1/raw?rpc=update&scope=pid&value=./objs/srs.pid`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=pid&value=./objs/srs.pid'`
config	`allow_update on;`
params	`scope=pid&value=./objs/srs.pid`, specifies the new pid file for SRS
require	File path must starts with ./, /tmp or /var, and ends with .pid, for instance, /var/srs.pid

Key	DESC
feature	Update the global RTMP chunk_size
url	`/api/v1/raw?rpc=update&scope=chunk_size&value=60000`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=chunk_size&value=60000'`
config	`allow_update on;`
params	`scope=chunk_size&value=60000`, specifies the new global RTMP chunk_size
require	chunk_size must be integer in [128, 65535], for instance, 60000

Key	DESC
feature	Update the global log dir for ffmpeg
url	`/api/v1/raw?rpc=update&scope=ff_log_dir&value=./objs`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=ff_log_dir&value=./objs'`
config	`allow_update on;`
params	`scope=ff_log_dir&value=./objs`, specifies the new global ff_log_dir
require	ff_log_dir must starts with ./, /tmp/ or /var/, for instance, ./objs

Key	DESC
feature	Update the global log tank for SRS
url	`/api/v1/raw?rpc=update&scope=srs_log_tank&value=file`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=srs_log_tank&value=file'`
config	`allow_update on;`
params	`scope=srs_log_tank&value=file`, specifies the new log tank.
require	srs_log_tank must be file or console, for instance, file

Key	DESC
feature	Update the global log level for SRS
url	`/api/v1/raw?rpc=update&scope=srs_log_level&value=trace`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=srs_log_level&value=trace'`
config	`allow_update on;`
params	`scope=srs_log_level&value=trace`, speicifies the new log level
require	srs_log_level must be verbose,info,trace,warn,error, for inance, trace

Key	DESC
feature	Update the global log file path for SRS.
url	`/api/v1/raw?rpc=update&scope=srs_log_file&value=./objs/srs.log`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=srs_log_file&value=./objs/srs.log'`
config	`allow_update on;`
params	`scope=srs_log_file&value=./objs/srs.log`, specifies the new log file
require	srs_log_file must be *.log and in ./, /var/ or /tmp/, for instance, ./objs/srs.log

Key	DESC
feature	Update the max connections for SRS, both RTMP and HTTP.
url	`/api/v1/raw?rpc=update&scope=max_connections&value=1000`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=max_connections&value=1000'`
config	`allow_update on;`
params	`scope=max_connections&value=1000`, specifies the new max connections
require	max_connections must be interger and in [10, 65535], for instance, 1000

Key	DESC
feature	Whether enable the utc time for log and path which use time
url	`/api/v1/raw?rpc=update&scope=utc_time&value=false`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=utc_time&value=false'`
config	`allow_update on;`
params	`scope=utc_time&value=false`, specifies whether enable the utc time
require	utc_time must be true or false, for instance, false

Key	DESC
feature	Update the global pithy print time in ms
url	`/api/v1/raw?rpc=update&scope=pithy_print_ms&value=10000`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=pithy_print_ms&value=10000'`
config	`allow_update on;`
params	`scope=pithy_print_ms&value=10000`, specifies the new pithy print time
require	pithy_print_ms must in [100,300000], in ms, for insance 10000

RAW Vhost

The vhost raw apis is a subset of update.

Key	DESC
feature	Add a none exists vhost.
url	`/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=create`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=create'`
config	`allow_update on;`
params	`scope=vhost&value=ossrs.net&param=create` to create a vhost
require	The vhost to crote must not be exists.

Key	DESC
feature	Update the name of vhost.
url	`/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=update&data=new.ossrs.net`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=update&data=new.ossrs.net'`
config	`allow_update on;`
params	`scope=vhost&value=ossrs.net&param=update&data=new.ossrs.net` to update the name of vhost
require	The vhost to update must exists and disabled.

Key	DESC
feature	Disable the vhost
url	`/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=disable`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=disable'`
config	`allow_update on;`
params	`scope=vhost&value=ossrs.net&param=disable` to disable the vhost
require	The vhost to disable must exists and enabled.

Key	DESC
feature	Enable the vhost
url	`/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=enable`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=vhost&value=ossrs.net&param=enable'`
config	`allow_update on;`
params	`scope=vhost&value=ossrs.net&param=enable` to enable the vhost
require	The vhost to enable must exists and disabled.

RAW DVR

The DVR is a subset of Update.

Key	DESC
feature	Enable the DVR of stream of vhost
url	`/api/v1/raw?rpc=update&scope=dvr&value=ossrs.net&param=enable&data=live/livestream`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=dvr&value=ossrs.net&param=enable&data=live/livestream'`
config	`allow_update on;`
params	`scope=dvr&value=ossrs.net&param=enable&data=live/livestream` to enable the DVR of stream
require	The DVR of vhost must enabled.

Key	DESC
feature	Disable the DVR of stream of vhost
url	`/api/v1/raw?rpc=update&scope=dvr&value=ossrs.net&param=disable&data=live/livestream`
curl	`curl 'http://127.0.0.1:1985/api/v1/raw?rpc=update&scope=dvr&value=ossrs.net&param=disable&data=live/livestream'`
config	`allow_update on;`
params	`scope=dvr&value=ossrs.net&param=disable&data=live/livestream` to disable the DVR of stream
require	The DVR of vhost must enabled.

Winlin 2015.8

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v3_EN_HTTPApi

HTTP API

Design Priciple

Build

Config

Start

Performance

Access Api

Error Code

Crossdomain

Server ID

API Nevigation

Summaries

Vhosts

Streams

Clients

Kickoff Client

Persistence Config

HTTP RAW API

Raw

RAW Reload

RAW Query

RAW Update

RAW Vhost

RAW DVR

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