First commit, a demo.

Makefile

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+THIRD_LIBS=-levent
+LIBS=-ldl
+CFLAGS=-I./include
+
+master:src/master.o src/worker.o src/listener.o src/connection.o src/main.o
+		g++ -g -o $@ src/master.o src/worker.o src/listener.o src/connection.o src/main.o $(THIRD_LIBS) $(LIBS)
+
+src/master.o:src/master.cpp include/master.h
+		g++ -g -o $@ -c $< $(CFLAGS)
+
+src/worker.o:src/worker.cpp include/worker.h include/util.h
+		g++ -g -o $@ -c $< $(CFLAGS)
+
+src/listener.o:src/listener.cpp include/listener.h include/util.h
+		g++ -g -o $@ -c $< $(CFLAGS)
+
+src/connection.o:src/connection.cpp include/connection.h include/util.h
+		g++ -g -o $@ -c $< $(CFLAGS)
+
+src/main.o:src/main.cpp include/master.h
+		g++ -g -o $@ -c $< $(CFLAGS)
+
+clean:
+		rm -f src/*.o master

README.md

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+High performance HTTP Server.It is designed to study Lighttpd(so I call it "slighttpd").

include/connection.h

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+/*************************************************************************
+    > File Name: connection.h
+    > Author: Jiange
+    > Mail: jiangezh@qq.com 
+    > Created Time: 2016年01月27日 星期三 20时10分35秒
+ ************************************************************************/
+
+#ifndef _CONNECTION_H
+#define _CONNECTION_H
+
+#include <string>
+#include <queue>
+
+#include "event2/event.h"
+#include "event2/util.h"
+
+#include "util.h"
+
+class Worker;
+
+class Connection
+{
+	public:
+		Connection();
+		~Connection();
+
+		bool InitConnection(Worker *worker);
+
+		void WantRead();
+		void NotWantRead();
+		void WantWrite();
+		void NotWantWrite(); 
+
+		static void ConEventCallback(evutil_socket_t fd, short event, void *arg);
+
+		Worker			   *con_worker;
+
+		evutil_socket_t		con_sockfd;
+		struct sockaddr_in	con_addr;
+		struct event	   *con_event;	//这里用两个event，一个注册读，一个注册写会效率高点
+		//struct event	   *write_event;
+		//struct event	   *read_event;
+
+		std::string			con_inbuf;
+		std::string			con_intmp;
+		std::string			con_outbuf;
+
+		static void FreeConnection(Connection *con);
+};
+
+#endif

include/listener.h

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+/*************************************************************************
+    > File Name: listener.h
+    > Author: Jiange
+    > Mail: jiangezh@qq.com 
+    > Created Time: 2016年01月27日 星期三 19时46分34秒
+ ************************************************************************/
+
+#ifndef _LISTENER_H
+#define _LISTENER_H
+
+#include <string>
+
+#include "event2/event.h"
+#include "event2/util.h"
+
+#include "util.h"
+
+class Worker;
+
+class Listener
+{
+	public:
+		Listener(const std::string &ip, unsigned short port);
+		~Listener();
+
+		bool InitListener(Worker *worker);
+		void AddListenEvent();
+
+		static void ListenEventCallback(evutil_socket_t fd, short event, void *arg);
+
+		Worker			   *listen_worker;
+		evutil_socket_t		listen_sockfd;
+		struct sockaddr_in	listen_addr;
+		struct event	   *listen_event;
+		uint64_t			cnt_connection;
+};
+
+
+#endif
+

include/master.h

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+/*************************************************************************
+    > File Name: server.h
+    > Author: Jiange
+    > Mail: jiangezh@qq.com 
+    > Created Time: 2016年01月27日 星期三 19时33分00秒
+ ************************************************************************/
+
+#ifndef _MASTER_H
+#define _MASTER_H
+
+#include "worker.h"
+
+#include <string>
+
+#include "event2/event.h"
+#include "event2/util.h"
+
+class Master
+{
+	public:
+
+		Master(const std::string &ip, unsigned short port);
+		~Master();
+
+		bool StartMaster();
+
+		static void MasterExitSignal(evutil_socket_t signo, short event, void *arg);
+
+		static void MasterChldSignal(evutil_socket_t signo, short event, void *arg);
+
+		Worker			    worker;
+
+		struct event_base  *m_base;
+		struct event	   *m_exit_event;
+		struct event	   *m_chld_event;
+
+		int					nums_of_child;	
+
+	private:
+
+};
+
+
+#endif

include/util.h

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+/*************************************************************************
+    > File Name: util.h
+    > Author: Jiange
+    > Mail: jiangezh@qq.com 
+    > Created Time: 2016年01月28日 星期四 10时39分22秒
+ ************************************************************************/
+
+#ifndef _UTIL_H
+#define _UTIL_H
+
+#include <signal.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <errno.h>
+#include <stdint.h>
+
+#endif

include/worker.h

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+/*************************************************************************
+    > File Name: worker.h
+    > Author: Jiange
+    > Mail: jiangezh@qq.com 
+    > Created Time: 2016年01月27日 星期三 20时10分35秒
+ ************************************************************************/
+
+#ifndef _WORKER_H
+#define _WORKER_H
+
+#include "listener.h"
+
+#include <string>
+#include <map>
+
+#include "event2/event.h"
+#include "event2/util.h"
+
+#include "util.h"
+
+class Master;
+class Connection;
+
+class Worker
+{
+	public:
+
+		typedef std::map<evutil_socket_t, Connection*> ConnectionMap;
+
+		Worker(const std::string &ip, unsigned short port);
+		~Worker();
+
+		void Run();
+
+		static void WorkerExitSignal(evutil_socket_t signo, short event, void *arg);
+
+		Master			   *master;
+		Listener			listener;
+		ConnectionMap		con_map;
+
+		struct event_base  *w_base;
+		struct event	   *w_exit_event;
+
+		std::string			s_inbuf;
+		std::string			s_intmp;
+		std::string			s_outbuf;
+
+};
+
+#endif