Webrtc服务器搭建(基于局域网环境)

来源:互联网 发布:学会计的软件 编辑:程序博客网 时间:2024/05/29 04:36

webrtc服务器搭建

(基于局域网环境)

Last Modified Date: 2017/8/2

目录

1. 搭建平台
2. 软件安装
3. 搭建房间服务器(Room Server)
4. 搭建信令服务器(Collider Server)
5. 搭建STUN\TURN服务器
6. 配置Nginx服务器
7. 运行测试
8. 附录


1. 搭建平台

  • 操作系统:Ubuntu 16.04 server(64bits)
  • Google webrtc的服务器Demo:详见https://github.com/webrtc/apprtc
  • IP地址:局域网 192.168.6.54

2. 软件安装

  • 安装JDK:
add-apt-repository ppa:openjdk-r/ppa  apt-get update apt-get install openjdk-8-jdk
  • 安装nodejs相关包:
apt-get install nodejs  apt-get install npm  apt-get install nodejs-legacy npm -g install grunt-cli
  • 安装Python和Python-webtest:
apt-get install python  apt-get install python-webtest

注: 若已安装过上述软件,可忽略;如上述未提及的软件需要安装,请自行安装。


3. 搭建房间服务器(Room Server)

  • 下载apprtc源码(操作所在目录/root/)
git clone  https://github.com/webrtc/apprtc.git   cd apprtcnpm install

若npm install报错,请自行解决。

  • 修改文件
    1.修改/root/apprtc/src/app_engine/constants.py
    TURN_BASE_URL = 'http://192.168.6.54:80'; #本机内网地址192.168.6.54         TURN_URL_TEMPLATE = '%s/turn.php?username=%s&key=%s'; #如果turn.php未实现,可使用默认配置        CEOD_KEY = 'inesadt'   #此处后面turn配置的用户名保持一致        ICE_SERVER_BASE_URL = 'http://192.168.6.54:80';        ICE_SERVER_URL_TEMPLATE = '%s/iceconfig.php?key=%s'; #如果iceconfig.php未实现,可用默认配置,但是Android Apk会有问题        WSS_INSTANCE_HOST_KEY = '192.168.6.54:8089'  #信令服务器端口号8089          WSS_INSTANCE_NAME_KEY = 'vm_name'        WSS_INSTANCE_ZONE_KEY = 'zone'        WSS_INSTANCES = [{        WSS_INSTANCE_HOST_KEY: '192.168.6.54:8089',        WSS_INSTANCE_NAME_KEY: 'wsserver-std',        WSS_INSTANCE_ZONE_KEY: 'us-central1-a'          }, {          WSS_INSTANCE_HOST_KEY: '192.168.6.54:8089',        WSS_INSTANCE_NAME_KEY: 'wsserver-std-2',         WSS_INSTANCE_ZONE_KEY: 'us-central1-f'        }]

2.修改/root/apprtc/src/app_engine/apprtc.py(若使用https,则不需修改此文件)

if wss_tls and wss_tls == 'false':        wss_url = 'ws://' + wss_host_port_pair + '/ws'        wss_post_url = 'http://' + wss_host_port_pair        else:        wss_url = 'ws://' + wss_host_port_pair + '/ws'        wss_post_url = 'http://' + wss_host_port_pair
  • 编译(在apprtc目录下进行)
grunt build

编译完成之后,会生成out目录,房间服务器编译完成。

注(编译成功可忽略):此处编译需要翻墙,若编译时无法翻墙,可下载手动下载https://api.callstats.io/static/callstats.min.js,并把文件callstats.min.js放到目录/root/apprtc/out/app_engine/third_party/callstats/下。
然后修改/root/apprtc/build/build_app_engine_package.py文件:

    # Download callstats.    ......    ......    response = requests.get(urls[fileName])    #if response.status_code == 200:    #把此处注释掉    print 'Downloading %s to %s...' % (urls[fileName], path)    with open(path + fileName, 'w') as to_file:       to_file.write(response.text)    #else:  #把此处注释掉    #  raise NameError('Could not download: ' + filename + ' Error:' + \ #把此处注释掉    #str(response.status_code))  #把此处注释掉

然后继续进行编译即可。

  • 安装和配置google app engine

    1.下载google app engine
    需翻墙,下载地址https://storage.googleapis.com/appengine-sdks/featured/google_appengine_1.9.50.zip),或者通过其他地方下载。

    2.配置google app engine 路径
    解压google_appengine_1.9.50.zip

    unzip google_appengine_1.9.50.zip

    编辑/etc/profile文件,在文件最后添加语句:

    export PATH="$PATH:/root/google_appengine/"

    (当前安装目录是/root/google_appengine,请根据自己的安装目录进行配置)
    保存profile文件,进行以下操作生效

    source /etc/profile
  • 运行房间服务器(room server)

    在目录/root/google_appengine目录下找到dev_appserver.py脚本,执行以下语句

./dev_appserver.py --host=192.168.6.54 /root/apprtc/out/app_engine

若想后台运行,则执行
nohup ./dev_appserver.py --host=192.168.6.54 /root/apprtc/out/app_engine &

  • 在浏览器中访问房间服务器

    http://192.168.6.54:8080


4. 搭建信令服务器(Collider Server)

  • 安装go语言编译器
apt-get install golang-go
  • 复制collider源代码
    (此源码在房间服务器源码目录下/root/apprtc/src/collider/)
    在/root目录下新建文件夹
mkdir -p goWorkspace/src

配置编译环境,此配置是暂时有效的

export GOPATH=/root/goWorkspace/

把/root/apprtc/src/collider/目录下的三个目录(collider、collidermain、collidertest)复制到/root/goWorkspace/src/目录下

cp -rf /root/apprtc/src/collider/* /root/goWorkspace/src
  • 修改代码
    编辑文件/root/goWorkspace/src/collidermain/main.go,修改房间服务器的地址
var roomSrv = flag.String("room-server", "http://192.168.6.54:8080", "The origin of the room server")
  • 编译信令服务器
    进入目录/root/goWorkspace/src/,此处编译需要翻墙。
go get collidermain go install collidermain

编译成功后,在/root/goWorkspace/下会生成bin和pkg目录。
若此处编译无法翻墙,可手动下载需要的文件。在/root/goWorkspace/src/目录下,

mkdir -p golang.org/x cd golang.org/x/git clone https://github.com/golang/net

然后再进行编译即可。

  • 运行信令服务器
    进入/root/goWorkspace/bin/目录,运行信令服务器
./collidermain -port=8089 -tls=false

若想后台运行,则执行

nohup ./collidermain -port=8089 -tls=false &

5. 搭建STUN\TURN服务器

  • 安装coturn
apt-get install coturn
  • 进行相关配置
    1. 编辑文件/etc/default/coturn,把TURNSERVER_ENABLED=1的注释去掉。
    2. 编辑文件/etc/turnserver.conf,把以下内容加入到文件最后(或者在文件中找到相应的选项,进行配置)
  listening-device=eth0  #此处eth0是电脑网卡名称  listening-port=3478       #turn服务器的端口号  relay-device=eth0 #此处eth0是电脑网卡名称  min-port=49152  max-port=65535  Verbose  fingerprint  lt-cred-mech  use-auth-secret  static-auth-secret=inesadt    #此处要和房间服务器配置时constants.py文件中的CODE_KEY保持一致。  user=inesadt:0x7e3a2ed35d3cf7f19e2f8b015a186f54  user=inesadt:inesadt  stale-nonce  cert=/usr/local/etc/turn_server_cert.pem  pkey=/usr/local/etc/turn_server_pkey.pem  no-loopback-peers  no-multicast-peers  mobility  no-cli

上述文件中 0x7e3a2ed35d3cf7f19e2f8b015a186f54的生成方法:

turnadmin -k -u inesadt -r north.gov -p inesadt
-k 表示生成一个long-term credential key  -u 表示用户名  -p 表示密码   -r 表示Realm域(这个值的设置可能会有影响)。

coturn的证书生成(即配置文件中cert和pkey)

sudo openssl req -x509 -newkey rsa:2048 -keyout /usr/local/etc/turn_server_pkey.pem -out /usr/local/etc/turn_server_cert.pem -days 99999 -nodes
  • 启动coturn服务器
service coturn start

6. 配置Nginx服务器

  • 安装Nginx
apt-get install nginx
  • 安装php和php-fpm
apt-get install phpapt-get install php7.0-fpm
  • 编辑配置文件/etc/nginx/sites-available/default
upstream roomserver {            server 192.168.6.54:8080;        }        server {            #listen 80 default_server;            #listen [::]:80 default_server;            listen 80;            # SSL configuration            #            # listen 443 ssl default_server;            # listen [::]:443 ssl default_server;            #            # Note: You should disable gzip for SSL traffic.            # See: https://bugs.debian.org/773332            #            # Read up on ssl_ciphers to ensure a secure configuration.            # See: https://bugs.debian.org/765782            #            # Self signed certs generated by the ssl-cert package            # Don't use them in a production server!            #            # include snippets/snakeoil.conf;            root /var/www/html;            # Add index.php to the list if you are using PHP            index index.html index.htm index.nginx-debian.html index.php; #此处添加index.php            server_name _;            #   location / {                # First attempt to serve request as file, then                # as directory, then fall back to displaying a 404.                #   try_files $uri $uri/ =404;            #   }            # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000            #            location ~ \.php$ {                include snippets/fastcgi-php.conf;                # With php7.0-cgi alone:                #   fastcgi_pass 127.0.0.1:9000;                # With php7.0-fpm:                fastcgi_pass unix:/run/php/php7.0-fpm.sock;            }            location / {                proxy_pass http://roomserver$request_uri;                proxy_set_header Host $host;            }            # deny access to .htaccess files, if Apache's document root            # concurs with nginx's one            #            #location ~ /\.ht {                #   deny all;            #}        }
  • 编写turn.php文件和iceconfig.php文件,并把文件放到目录/var/www/html/目录下

    turn.php文件内容

 <?php              $request_username = $_GET["username"];              if(empty($request_username)) {                  echo "username == null";                  exit;              }              $request_key = $_GET["key"];              $time_to_live = 600;              $timestamp = time() + $time_to_live;//失效时间              $response_username = $timestamp.":".$_GET["username"];              $response_key = $request_key;              if(empty($response_key))              $response_key = "code_key"; //constants.py中CEOD_KEY              $response_password = getSignature($response_username, $response_key);              $jsonObj = new Response();              $jsonObj->username = $response_username;              $jsonObj->password = $response_password;              $jsonObj->ttl = 86400;            //此处需配置自己的服务器            $jsonObj->uris= array("stun:192.168.6.54:3478","turn:192.168.6.54:3478?transport=udp","turn:192.168.6.54:3478?transport=tcp");            echo json_encode($jsonObj);          /**            * 使用HMAC-SHA1算法生成签名值            *            * @param $str 源串            * @param $key 密钥            *            * @return 签名值            */        function getSignature($str, $key) {        $signature = "";        if (function_exists('hash_hmac')) {        $signature = base64_encode(hash_hmac("sha1", $str, $key, true));        } else {        $blocksize = 64;        $hashfunc = 'sha1';        if (strlen($key) > $blocksize) {        $key = pack('H*', $hashfunc($key));        }        $key = str_pad($key, $blocksize, chr(0x00));        $ipad = str_repeat(chr(0x36), $blocksize);        $opad = str_repeat(chr(0x5c), $blocksize);        $hmac = pack(        'H*', $hashfunc(        ($key ^ $opad) . pack(        'H*', $hashfunc(        ($key ^ $ipad) . $str        )        )        )        );        $signature = base64_encode($hmac);        }            return $signature;            }            class Response {                  public $username = "";                  public $password = "";                  public $ttl = "";                  public $uris = array("");              }          ?> 

iceconfig.php文件内容

<?php              $request_username = "inesadt";  //配置成自己的turn服务器用户名            if(empty($request_username)) {                  echo "username == null";                  exit;              }              $request_key = "inesadt";  //配置成自己的turn服务器密码            $time_to_live = 600;              $timestamp = time() + $time_to_live;//失效时间              $response_username = $timestamp.":".$_GET["username"];              $response_key = $request_key;              if(empty($response_key))              $response_key = "CEOD_KEY";//constants.py中CEOD_KEY              $response_password = getSignature($response_username, $response_key);              $arrayObj = array();            $arrayObj[0]['username'] = $response_username;            $arrayObj[0]['credential'] = $response_password;            //配置成自己的stun/turn服务器            $arrayObj[0]['urls'][0] = "stun:192.168.6.54:3478";            $arrayObj[0]['urls'][1] = "turn:192.168.6.54:3478?transport=tcp";            $arrayObj[0]['uris'][0] = "stun:192.168.6.54:3478";            $arrayObj[0]['uris'][1] = "turn:192.168.6.54:3478?transport=tcp";            $jsonObj = new Response();              $jsonObj->lifetimeDuration = "300.000s";            $jsonObj->iceServers = $arrayObj;            echo json_encode($jsonObj);              /**               * 使用HMAC-SHA1算法生成签名值               *               * @param $str 源串               * @param $key 密钥               *               * @return 签名值               */            function getSignature($str, $key) {                $signature = "";                if (function_exists('hash_hmac')) {                    $signature = base64_encode(hash_hmac("sha1", $str, $key, true));                } else {                    $blocksize = 64;                    hashfunc = 'sha1';                    if (strlen($key) > $blocksize) {                        $key = pack('H*', $hashfunc($key));                    }                    $key = str_pad($key, $blocksize, chr(0x00));                    $ipad = str_repeat(chr(0x36), $blocksize);                    $opad = str_repeat(chr(0x5c), $blocksize);                    $hmac = pack(                        'H*', $hashfunc(                                ($key ^ $opad) . pack(                                        'H*', $hashfunc(                                                ($key ^ $ipad) . $str                                       )                                )                            )                        );                     $signature = base64_encode($hmac);                }                return $signature;           }            class Response {                    public $lifetimeDuration = "";                    public $iceServers = array("");            }         ?>

注:关于turn.php和iceconfig.php文件实现的必要性,如果是http局域网,即使不实现这两个文件,在浏览器之间也可实现视频通信,但是如果使用Google的Android apk作为客户端,则可能会存在问题。经过测试,实现iceconfig.php即可,turn.php文件可不实现。

  • 重启Nginx服务器和php7.0-fpm

    service nginx restart
    service php7.0-fpm restart


7. 运行测试

  • PC浏览器(Android手机浏览器)之间的视频通信测试
    访问http://192.168.6.54:8080
    1.PC浏览器:Firefox 54.0.1(64bits),Android手机浏览器:Firefox 54.0.1

    测试OK

    2.PC浏览器:Google Chrome 59.0.3071.115(64bits),Android手机浏览器:Google Chrome 59.0.3071.125

    测试失败
    失败原因:Error getting user media: Only secure origins are allowed。

  • Android APK客户端之间以及客户端与浏览器之间
    1.获取Android APK

    下载webrtc源码,在源码目录下webrtc/examples/androidapp,进行编译即可生成Android APK

    2.测试Android APK客户端之间

    测试OK

    2.测试Android APK客户端与浏览器(Firefox)之间

    测试OK


附录


  • 运行过程中的问题
    1. Failed to start signaling: Failed to execute ‘pushState’ on ‘History’: A history state object with URL ‘http://192.168.6.54/r/198676628’ cannot be created in a document with origin ‘https://192.168.6.54’ and URL ‘https://192.168.6.54/

解决方法1:
房间服务器编译完成后,在/root/apprtc/out/app_engine/js/apprtc.debug.js文件中找到window.history.pushState({‘roomId’: roomId, ‘roomLink’: roomLink}, roomId, roomLink),把这句话注释掉,重新运行即可。(如果重新编译,需要重新修改)
解决方法2:
在/root/apprtc/src/web_app/js/appcontroller.js文件中找到window.history.pushState({‘roomId’: roomId, ‘roomLink’: roomLink}, roomId, roomLink),把这句话注释掉,然后重新编译,重新运行房间服务器即可。


回到目录

参考:
1. http://io.diveinedu.com/2015/02/05/%E7%AC%AC%E5%85%AD%E7%AB%A0-WebRTC%E6%9C%8D%E5%8A%A1%E5%99%A8%E6%90%AD%E5%BB%BA.html
2. http://www.jianshu.com/p/3a43233b9c39

原创粉丝点击