Webrtc服务器搭建(基于局域网环境)
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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.zipunzip 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
- 编辑文件/etc/default/coturn,把TURNSERVER_ENABLED=1的注释去掉。
- 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
- 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/
- 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
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