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xia-chu avatar xia-chu commented on May 22, 2024

udp connect 其实并没什么用 只是设置下对端的地址 这样可以调用write和send函数(而不用sendto).

一个udp端口对应一个fd，所以一般只能对应一条线程。所以要提高udp的性能，一般通过多个udp端口解决。

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xia-chu avatar xia-chu commented on May 22, 2024

TcpServer中，一个tcp端口，有一个listen fd, 在收到accept事件后，能创建多个peerfd。
这个listen fd是多个线程监听的，可以多个线程同时accept，accept成功后有有一个peerfd，这个peerfd会 绑定到这条accept线程

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xia-chu avatar xia-chu commented on May 22, 2024

也就是说 tcp服务器单端口能发挥多核cpu的性能，但是udp单端口只能发挥单条线程的性能

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wasphin avatar wasphin commented on May 22, 2024

了解了, 多谢解答.

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