webRTC的简介webRTC:Web Real-Time Communications用于点对点的实时语音/视频通信的技术google开源了google-webRTC的sdk用于提供相关技术webRTC的三大技术难点音视频的编码与传输私有ip的链接语音降噪MAC搭建webRTC服务器

webRTC服务器一般包含三部分

用于交换sdp/ice信息的房间服务器 roomServer(3000)用于连接私有ip的穿透服务器 sturnServer(3478)用于做代理的nginx服务器,一般服务的端口不会轻易暴露给客户端用.安装node版本的房间服务webRTC安装node

brew install node//检测node是否安装成功node -v

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安装房间服务webRTC

git clone https://github.com/androidtencent/WebrtcNodeJScd WebrtcNodeJSnpm install//启动 Server running at http://0.0.0.0:3000/node server.js

coturn穿透服务

brew install coturn//启动coturn服务brew services restart coturn//查看coturn命令man coturn//coturn服务器访问密码turnadmin -k -u hch -r north.gov -p 1qazxsw2//得到安全访问密钥//0xa4a6576444351ec2804f4cf2a2701a1a//0: : SQLite connection was closed.//0: : log file opened: /var/tmp/turn_58775_2022-04-27.log

配置coturn

安装完coturn服务后,默认在/usr/local/etc下会存在turnserver.conf.default文件,我们自己新建turnserver.conf,加入如下信息,注意user和密码是自己设定的内容:

verbosefingerprintlt-cred-mechrealm=testuser=hch:0xa4a6576444351ec2804f4cf2a2701a1auser=hch:1qazxsw2stale-nonceno-loopback-peersno-multicast-peersmobilityno-cli

重启coturn

brew services restart coturn

安装nginx

brew install nginx//配置地址/usr/local/etc/nginx/nginx.conf//启动nginxbrew services restart nginx

配置nginx

vim /usr/local/etc/nginx/nginx.conf

配置内容注意

ssl_certificate和ssl_certificate_key的位置要与后面生成的https证书的位置一致mac下日志的地址为/usr/local/var/log/

user root admin;worker_processes auto;pid /usr/local/etc/nginx/logs/nginx.pid;include /etc/nginx/modules-enabled/*.conf;events {worker_connections 768; multi_accept on;}http {sendfile on;tcp_nopush on;tcp_nodelay on;keepalive_timeout 300;types_hash_max_size 2048;default_type application/octet-stream;ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLEssl_prefer_server_ciphers on;access_log /usr/local/var/log/nginx/access.log;error_log /usr/local/var/log/nginx/error.log;gzip on;include /etc/nginx/conf.d/*.conf;include /etc/nginx/sites-enabled/*; upstream web {server localhost:3000; }upstream websocket {server localhost:3000; }server { listen 443; server_name localhost;ssl on;ssl_certificate /usr/local/etc/nginx/cert/server.crt;#配置证书ssl_certificate_key /usr/local/etc/nginx/cert/server.pem;#配置密钥ssl_session_cache shared:SSL:1m;ssl_session_timeout 50m;ssl_protocols TLSv1 TLSv1.1 TLSv1.2 SSLv2 SSLv3;ssl_ciphers HIGH:!aNULL:!MD5;ssl_prefer_server_ciphers on;location /wss {proxy_pass http://websocket/; # 代理到上面的地址去proxy_read_timeout 300s;proxy_set_header Host $host;proxy_set_header X-Real_IP $remote_addr;proxy_set_header X-Forwarded-for $remote_addr;proxy_set_header Upgrade $http_upgrade;proxy_set_header Connection 'Upgrade'; }location / {proxy_pass http://web/;proxy_set_header Host $host;proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; }}}

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生成https证书

将生成的证书放到nginx配置目录下/usr/local/etc/nginx

openssl genrsa -des3 -out server.key 2048//输入密码 1qazxsw2// 移除密码openssl rsa -in server.key -out server.keyopenssl req -new -x509 -key server.key -out ca.crt -days 3650openssl req -new -key server.key -out server.csropenssl x509 -req -days 3650 -in server.csr -CA ca.crt -CAkey server.key -CAcreateserial -out server.crtcat server.key server.crt > server.pem

启动三个服务房间服务

cd /Users/hucaihua/code/git/WebrtcNodeJSnode server.js

穿透服务coturn

brew services restart coturn

nginx代理服务

brew services restart nginx//检测nginx是否正常启动ps -ef|grep nginx

检验一切是否配置成功

在浏览器输入https://localhost,点击信任网站,如果出现自己的头像,则表示配置成功.

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