Linux下的http服务器 v0.0.0.0.0.0.1

代码如下

http_server.cpp

/*
* compile: g++ -o http_server.out http_server.cpp -lpthread
* run: ./http_server.out
* before you run this programe ,you should have a file named "index.html" in your root directory
*/ 
#include <sys/socket.h>  
#include <sys/types.h>  
#include <poll.h>               
#include <unistd.h>          
#include <netdb.h>           
#include <error.h>           
#include <stdlib.h>  
#include <stdio.h>  
#include <errno.h>  
#include <string.h>  
#include <netdb.h>  
#include <netinet/in.h>  
#include <arpa/inet.h> 
#include <pthread.h> 


#define HTTP_SERVRE_PORT 80  //http server port  
#define BUFFSIZE 1024        // integer 1 stands for ture : running   
#define LISTENQ 10              
  
void http_response( int new_fd, char *request )
{
	char *token = strtok( request, " " ); //token is the name of the method 
	char *uri = strtok( NULL, " " );      //the file you want to get
    
    char file[64];
	sprintf( file, ".%s", uri );

	{
		FILE *fp = fopen( file, "rb" );
		if( fp == 0 )
		{
			char response[] = "HTTP/1.1 404 NOT FOUND\r\n\r\n";
			write(new_fd,response,strlen(response));
			
		}
		else
		{
			int file_size ;
			char *content;
			char response[1024];
			fseek( fp, 0, SEEK_END );//to the end of the file  
			file_size = ftell( fp ); //get file size
			fseek( fp, 0, SEEK_SET );//to the beginning of the file
			content = (char*)malloc( file_size + 1 );
			fread( content, file_size, 1, fp );
			content[file_size] = 0;
			sprintf( response, "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nContent-Length: %d\r\n\r\n%s", file_size, content );
			write(new_fd,response,strlen(response));
			free( content );
		}
	}
}

int sockfd;  
struct sockaddr_in server_addr;  
struct sockaddr_in client_addr;  

//init param of the http server 

bool initialize_server()
{
    //socket  
  
    if((sockfd=socket(AF_INET,SOCK_STREAM,0))==-1)  
    {  
            fprintf(stderr,"Socket error:%s\n\a",strerror(errno));  
            exit(1);  
    }  

    bzero(&server_addr,sizeof(struct sockaddr_in));  
    server_addr.sin_family=AF_INET;  
    server_addr.sin_addr.s_addr=htonl(INADDR_ANY);  
    server_addr.sin_port=htons(HTTP_SERVRE_PORT);  

    //bind  

    if(bind(sockfd,(struct sockaddr *)(&server_addr),sizeof(struct sockaddr))== -1)  
    {  
            fprintf(stderr,"Bind error:%s\n\a",strerror(errno));  
            exit(1);  
    }  

    //listen  

    if(listen(sockfd,LISTENQ)==-1)  
    {  
            fprintf(stderr,"Listen error:%s\n\a",strerror(errno));  
            exit(1);  
    }  
}

//connection thread

void * connection_thread(void * arg)
{ 
    pthread_detach(pthread_self());//回制定线程结束时回收资源 
    int new_fd = *(int *)arg;
    int nbytes;  
    char request[BUFFSIZE];  
    if((nbytes=read(new_fd,request,BUFFSIZE))==-1)  
    {  
            fprintf(stderr,"Read Error:%s\n",strerror(errno));  
            exit(1);  
    }  
    request[nbytes]='\0';  
    
    printf("new_fd: %d\n",new_fd);
    printf("Request From Client (%s:%d):\ncontent of char * request[] is :\n%s\n",inet_ntoa(client_addr.sin_addr),client_addr.sin_port,request);  
    http_response(new_fd, request );
     
    close(new_fd); 
    pthread_exit(0);  
}


//main thread

void httpserver_start_work()
{
     unsigned int sin_size; 
     while(1)  
    {  
            //accept  
            int new_fd;
            sin_size=sizeof(struct sockaddr_in);  
            if((new_fd=accept(sockfd,(struct sockaddr *)(&client_addr),&sin_size))==-1)  
            {  
                    fprintf(stderr,"Accept error:%s\n\a",strerror(errno));  
                    exit(1);  
            }  

            //recv  
            
            pthread_t tid;
            //create a new thread to serve each request
            pthread_create(&tid, NULL, connection_thread, &new_fd);
            
            

    }  
    close(sockfd);  
}


int main()
{

    //init param of the http server 
    initialize_server();
    //main thread
    httpserver_start_work();
    
	return 0;
}

type http://your-hostname/index.html in your web browser the click enter 

you will see this；