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libevlite - A simple Network library that contains the Event library, Thread library, Communications library. Event library is LIBEVENT Lite Edition, so named for the LIBEVLITE

License: BSD 2-Clause "Simplified" License

Makefile 1.17% C 90.60% C++ 6.39% Python 1.85%
libevent kcp curl-multi

libevlite's Introduction

libevlite网络通信库(Linux, Darwin, *BSD)

1. 基础事件模块( include/event.h )

==支持的IO复用机制: epoll和kqueue==

1.1 事件类型说明

  • 读事件(EV_READ)
  • 写事件(EV_WRITE)
  • 超时事件(EV_TIMEOUT)
  • 在三种事件类型的基础上, 支持事件驻留在事件集中的永久模式(EV_PERSIST)

1.2 基于事件(event_t)的方法说明

  • 设置事件属性 event_set()
  • 设置事件回调函数 event_set_callback()

1.3 基于事件集(evsets_t)的方法说明

  • 向事件集中添加事件 evsets_add()
  • 从事件集中删除事件 evsets_del()
  • 分发并处理事件 evsets_dispatch()

2. 网络线程模块( include/threads.h )

3. 通信模块( include/networks.h )

3.1 创建网络通信层 iolayer_create()

  • nthreads: 指定网络线程的个数
  • nclients: 推荐连接数
  • precision: 事件集的时间精度(建议值8ms)
  • immediately: 数据是否会立刻推送到网络层,对实时性要求很高的场景, 建议设置为1

3.2 设置网络通信层的方法(仅在IO线程中才能使用)

  • 设置线程上下文: iolayer_set_iocontext()
  • 设置网络层数据改造方法: iolayer_set_transform()

3.3 监听端口/开启服务端 iolayer_listen()

  • type: 网络类型, 支持TCP, UDPKCP
  • host: 绑定的地址
  • port: 监听的端口号
  • options: 服务器全局参数(当前主要是KCP的参数配置)
  • callback: 新会话创建成功的回调
  • context: 上下文参数

3.4 连接远程服务/开启客户端 iolayer_connect()

3.5 关联描述符的读写事件 iolayer_associate()

3.6 设置会话的方法(仅在IO线程中才能使用)

  • 设置会话的超时时间 iolayer_set_timeout()
  • 设置会话的保活时间 iolayer_set_keepalive()
  • 设置会话的IO服务逻辑 iolayer_set_service()
  • 设置会话的读事件常驻事件集 iolayer_set_persist()
  • 设置会话的发送队列长度限制 iolayer_set_sndqlimit()
  • 设置会话的最大传输单元(仅限KCP有效) iolayer_set_mtu()
  • 设置会话的最小重传时间(仅限KCP有效) iolayer_set_minrto()
  • 设置会话的发送接收窗口(仅限KCP有效) iolayer_set_wndsize()

3.7 发送数据 iolayer_send()

3.8 广播数据 iolayer_broadcast(), iolayer_broadcast2()

3.9 关闭会话 iolayer_shutdown(), iolayer_shutdowns()

3.10 提交任务到网络层 iolayer_invoke(), iolayer_perform()

3.11 停止服务 iolayer_stop()

  • 停止对外提供接入服务, 不再接受新的连接;
  • 停止所有连接的接收服务, 不再回调ioservice_t::process()

3.12 销毁网络层 iolayer_destroy()

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