This project forked from wanghongfei/chat
在线聊天室，无需注册登陆. Netty + WebSocket实现
mvn clean install
master分支为二进制协议版本, protocol-websocket分支为WebSocket版本
java -jar target/char.jar 9000 # ws://localhost:9000/chat
| 字段名 | 偏移量 | 字段长度 | 数据类型 | 说明 |
|---|---|---|---|---|
| sid | 0 | 10 bytes | string(UTF-8) | 会话id |
| length | 10 | 4 bytes | int | 数据包总长度 |
| sent time | 14 | 8 bytes | long | 发送时间, 自1970-1-1以来的秒数 |
| type | 22 | 2 bytes | string(UTF-8) | 数据包的类型 |
| target_user_id | 24 | 4 bytes | int | 消息接收者的用户id |
| target_room_id | 28 | 4 bytes | int | 目标聊天室的id |
| mem_id | 32 | 4 bytes | int | 发送者用户id |
| body | 36 | 变长 | string | 消息体 |
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