www.pudn.com > httpclt.rar > testc.cpp, change:2005-04-19,size:7161b

// testc.cpp : Defines the entry point for the console application. 
// 
 
#include "stdafx.h" 
 
//===================================================== file = httpget1.c ===== 
//=  A client program to connect to a Web server and do one HTTP GET          = 
//=   - Outputs the GET response                                              = 
//============================================================================= 
//=  Notes:                                                                   = 
//=    1) This program conditionally compiles for Winsock and BSD sockets.    = 
//=       Set the initial #define to WIN or BSD as appropriate.               = 
//=    2) This program hardwires the IP address of www.grad.csee.usf in the   = 
//=       #define IP_ADDR and hardwires the GET request string into           = 
//=       #define GET_STRING.                                                 = 
//=---------------------------------------------------------------------------= 
//=  Output from an execution (hardwired to get Christensen homepage):        = 
//=                                                                           = 
//=    HTTP/1.1 200 OK                                                        = 
//=    Date: Wed, 20 Dec 2000 03:17:18 GMT                                    = 
//=    Server: Apache/1.3.6 (Unix)                                            = 
//=    Last-Modified: Sat, 16 Dec 2000 00:14:59 GMT                           = 
//=    ETag: "25998c-340c-3a3ab403"                                           = 
//=    Accept-Ranges: bytes                                                   = 
//=    Content-Length: 13324                                                  = 
//=    Connection: close                                                      = 
//=    Content-Type: text/html                                                = 
//=                                                                           = 
//=                                                               = 
//=                         = 
//=                                       = 
//=                                                                   = 
//=    
                                                                   = 
//=                                                           = 
//=    --- SNIP SNIP ---                                                      = 
//=                                                                      = 
//=    
                                                 = 
//=                                                                           = 
//=    
                                                              = 
//=    Last updated by            = 
//=    Ken Christensen on DECEMBER 15, 2000                               = 
//=    
                                                             = 
//=                                                                           = 
//=                                                             = 
//=---------------------------------------------------------------------------= 
//=  Build: bcc32 httpget1.c, cl httpget1.c wsock32.lib,                      = 
//=         gcc httpget1.c -lsocket -lnsl                                     = 
//=---------------------------------------------------------------------------= 
//=  Execute: httpget1                                                       = 
//=---------------------------------------------------------------------------= 
//=  History:  KJC (01/04/01) - Genesis (from client.c)                       = 
//============================================================================= 
#define  WIN                // WIN for Winsock and BSD for BSD sockets 
 
//----- Include files --------------------------------------------------------- 
#include           // Needed for printf() 
#include          // Needed for exit() 
#include          // Needed for strcpy() and strlen() 
#ifdef WIN 
  #include       // Needed for all Winsock stuff 
#endif 
#ifdef BSD 
  #include     // Needed for system defined identifiers. 
  #include    // Needed for internet address structure. 
  #include    // Needed for socket(), bind(), etc... 
  #include     // Needed for inet_ntoa() 
  #include  
  #include  
#endif 
 
#pragma comment(lib, "Ws2_32.lib") 
//----- Defines --------------------------------------------------------------- 
#define  BUF_SIZE            4096     // Buffer size 
#define  PORT_NUM              90//80     // Web servers are at port 80 
#define  IP_ADDR    "127.0.0.1"//"131.247.3.1" // IP address of www.csee.usf.edu 
#define  GET_STRING "GET /~christen/index.html HTTP/1.0\n\n"  // GET string 
 
//===== Main program ========================================================== 
void main(void) 
{ 
#ifdef WIN 
  WORD wVersionRequested = MAKEWORD(1,1);    // Stuff for WSA functions 
  WSADATA wsaData;                           // Stuff for WSA functions 
#endif 
 
  unsigned int         server_s;             // Server socket descriptor 
  struct sockaddr_in   server_addr;          // Server Internet address 
  char                 out_buf[BUF_SIZE];    // Output buffer for GET request 
  char                 in_buf[BUF_SIZE];     // Input buffer for response 
  unsigned int         retcode;              // Return code 
  unsigned int         i;                    // Loop counter 
 
#ifdef WIN 
  // This stuff initializes winsock 
  WSAStartup(wVersionRequested, &wsaData); 
#endif 
 
  // Create a socket 
  server_s = socket(AF_INET, SOCK_STREAM, 0); 
 
  // Fill-in the Web server socket's address information 
  server_addr.sin_family = AF_INET;                 // Address family to use 
  server_addr.sin_port = htons(PORT_NUM);           // Port num to use 
  server_addr.sin_addr.s_addr = inet_addr(IP_ADDR); // IP address to use 
 
  // Do a connect (connect() blocks) 
  retcode = connect(server_s, (struct sockaddr *)&server_addr, 
                    sizeof(server_addr)); 
  if (retcode != 0) 
  { 
    printf("ERROR - connect() failed \n"); 
    exit(1); 
  } 
 
  // Send a GET to the Web server 
  strcpy(out_buf, GET_STRING); 
  send(server_s, out_buf, strlen(out_buf), 0); 
 
  // Receive from the Web server 
  //  - The return code from recv() is the number of bytes received 
  retcode = recv(server_s, in_buf, BUF_SIZE, 0); 
  while ((retcode > 0) || (retcode == -1)) 
  { 
    if (retcode == -1) 
    { 
      printf("ERROR - recv() failed \n"); 
      exit(1); 
    } 
    for (i=0; i