Basic

Code

• SocketServer & SocketClient
• [Example] Echo Service

epoll

methods

epoll_create(...)  // 创建 epoll
epoll_ctl(...)     // 向 epoll 注册 socketfd
epoll_wait(...)    // 从 epoll 获取事件

steps

• socket()
• bind()
• listen()
• epoll
  • epoll_create()
  • epoll_ctl() : Add server socket to epoll instance
  • epoll_wait()
• accept()
• epoll_ctl() : Add client socket to epoll instance
• read()
• write()

Reference

• socket-programming-in-c
• epoll-server example