本文分享了Linux内核网络数据包发送在UDP协议层的处理,主要分析了udp_sendmsg和udp_send_skb函数,并分享了UDP层的数据统计和监控以及socket发送队列大小的调优。 这个函数定义在 net/ipv4/udp.c,函数很长,分段来看。 udp_sendmsg 代码检查 up->pending 以确定 socket 当前是否 ...
Socket Adaptor(SoAd)模块是AUTOSAR基础软件的一部分,它提供了一个抽象层,使得应用程序可以通过标准化的接口与底层的网络 ...
一个服务器接收很多终端数据,终端向服务器发UDP数据包,每秒钟发一次,服务器如何支持尽量多的终端(尽量不丢失数据)?
1、 启动Python的IDLE工具,创建名为服务端.py的文件,输入相应代码内容。 2、 导入socket模块后,创建一个socket对象。第一个参数指定IP类型,AF_INET表示使用IPv4地址;第二个参数定义传输协议,SOCK_DGRAM代表UDP方式,若使用SOCK_STREAM则为TCP方式,后者是默认的传输 ...
I'm trying to make a reliable file transfer service in C using UDP sockets. I already solved the problems related to packets retransmissions, but I can't find a way to make more clients communicate ...
Want to know more about how your system is communicating? Try the Linux ss command. It replaces the older netstat and makes a lot of information about network connections available for you to easily ...
UDP is a protocol that enables the exchange of unallocated data packets over a network. The UDP buffer is memory that is assigned by the Linux operating system to ...
To make the best use of the ss command, it’s important to understand what a socket is. A socket is a type of pseudo file (i.e., not an actual file) that represents a network connection. A socket ...