C写的http服务器

/** 
  @file sample_httpd.c 
  @author Kevin Lynx 
  @brief sample httpd, just for testing purpose. 
*/
#include <winsock2.h> 
#include <stdio.h> 
  
void http_response( SOCKET con, const char *request ) 
{ 
    /* get the method */
    char *token = strtok( request, " " ); 
    char *uri = strtok( 0, " " ); 
    //char *uri1 = strtok( 0, " " ); 
    char file[64]; 
    sprintf( file, ".%s", uri ); 
  
    { 
        /* load the file content */
        FILE *fp = fopen( file, "rb" ); 
        if( fp == 0 ) 
        { 
            /* response 404 status code */
            char response[] = "HTTP/1.1 404 NOT FOUND\r\n\r\n"; 
            send( con, response, strlen( response ), 0 ); 
        } 
        else
        { 
            /* response the resource */
            /* first, load the file */
            int file_size ; 
            char *content; 
            char response[1024]; 
            fseek( fp, 0, SEEK_END ); 
            file_size = ftell( fp ); 
            fseek( fp, 0, SEEK_SET ); 
            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 ); 
            send( con, response, strlen( response ), 0 ); 
            free( content ); 
        } 
    } 
} 
  
int main() 
{ 
    WSADATA wd; 
    int ret; 
    SOCKET s; 
  
    ret = WSAStartup( MAKEWORD( 2, 0 ), &wd ); 
    if( ret < 0 ) 
    { 
        fprintf( stderr, "winsock startup failed\n" ); 
        exit( -1 ); 
    } 
    s = socket( AF_INET, SOCK_STREAM, 0 ); 
  
    { 
        /* bind and listen */
        struct sockaddr_in addr; 
        memset( &addr, 0, sizeof( addr ) ); 
        addr.sin_family = AF_INET; 
        addr.sin_port = htons( 8080 ); 
        addr.sin_addr.s_addr = inet_addr( "0.0.0.0" ); 
        ret = bind( s, (struct sockaddr*)&addr, sizeof( addr ) ); 
        if( ret < 0 ) 
        { 
            fprintf( stderr, "bind failed\n" ); 
            closesocket( s ); 
            exit( -1 ); 
        } 
        ret = listen( s, 1024 ); 
        if( ret < 0 ) 
        { 
            fprintf( stderr, "listen failed\n" ); 
            closesocket( s ); 
            exit( -1 ); 
        } 
    } 
  
    { 
        SOCKET con = accept( s, 0, 0 ); 
        /* recv request */
        char request[1024] = { 0 }; 
        ret = recv( con, request, sizeof( request ), 0 ); 
        printf( request ); 
        http_response( con, request ); 
        closesocket( con ); 
    } 
    closesocket( s ); 
    WSACleanup(); 
    return 0; 
}