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sim's Introduction

sim

C++ network server framework, nc and telnet friendly.

demo

#include "sim/sim.h"

class MyHandler : public sim::Handler
{
public:
	virtual sim::HandlerState proc(const sim::Request &req, sim::Response *resp){
		std::string cmd = req.msg.type();
		if(cmd == "ping"){
			resp->msg.add("ok");
			resp->msg.add("pong");
		}else{
			resp->msg.add("ok");
			resp->msg.add(cmd);
		}
		return this->resp();
	}
};

int main(int argc, char **argv){
	const char *ip = "127.0.0.1";
	int port = 8800;
	sim::Server *serv = sim::Server::listen(ip, port);
	if(!serv){
		log_fatal("%s", strerror(errno));
		exit(0);
	}
	log_info("server listen on %s:%d", ip, port);

	MyHandler handler;
	serv->add_handler(&handler);

	serv->loop();
	return 0;
}

sim's People

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sim's Issues

大概的读完了sim的代码,简单说一下个人的感受

大概的读完了sim的代码,简单说一下个人的感受:
1,Link主体表示一个tcp连接对象,但却又包含了客户端的connect工厂方法,该方法产生的Link对象中的socket却是block模式
2,类似的Link又包含了监听和accept工厂方法,该监听使用socket也是block模式的,一直没有切成non-block的,该项影响不大,因为后续accept是由fde中的事件通知驱动。并且Link::accept()中没有检查fd耗尽的情况,在while循环中会有死循环的风险
3,Server的accept事件其实也算是一种read事件,没必要单独判断一下
4,IO事件本身是由fde检产生的,放在fde中进行分发要自然些
5,Server/Link都是事件具体的响应者,可将对应的事件从fde中直接分发到具体对象,因此可将Server.cpp中的多个*_session方法分拆到具体的功能对象中
6,总结一句:fde专职进行IO事件检测,并将其分发到Sever/Link中,而Server/Link专心处理对应的事件就好,这个差不多就是EventLoop的模型架构了

班门弄斧的意见,请勿见笑!

millitime()

In double millitime()(sim.h, line 27),:
"double ret = now.tv_sec + now.tv_usec/1000.0/1000.0;"
It should be;
"double ret = now.tv_sec * 1000 + now.tv_usec / 1000.0; "

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