C++使用gSoap写Web Server和Web Client

#include <iostream>
#include <string>
#include "addServer.h"
#include "add.nsmap"
#include "stdsoap2.h"
#include "soapH.h"
#include "soapStub.h"
#pragma   comment(lib,"wsock32.lib")
#pragma comment( linker, "/subsystem:windows /entry:mainCRTStartup" ) // 为了程序不弹出dos界面
int http_get(struct soap *soap);
int add__ns(struct soap *add_soap, int num1, int num2, int *sum);
int main(int argc, char* argv[])
{
  int m, s; /* master and slave sockets */
  struct soap add_soap;
  add_soap.fget = http_get;// 设置soap.fget回调函数
  soap_init(&add_soap);
  add_soap.fget = http_get;
  if (argc < 2)
  {
    printf("usage: %s <server_port> \n", argv[0]);
    exit(1);
  }
  else
  { 
    m = soap_bind(&add_soap, NULL, atoi(argv[1]), 100);
    if (m < 0)
    {
      soap_print_fault(&add_soap, stderr);
      exit(-1);
    }
    fprintf(stderr, "Socket connection successful: master socket = %d\n", m);
    for (;;)
    { 
      s = soap_accept(&add_soap); 
      if (s < 0)
      { 
        soap_print_fault(&add_soap, stderr);
        exit(-1);
      }
      fprintf(stderr, "Socket connection successful: slave socket = %d\n", s);
      soap_serve(&add_soap);//该句说明该server的服务
      soap_end(&add_soap);
    }
  }
  return 0;
}
//server端的实现函数与add.h中声明的函数相同，但是多了一个当前的soap连接的参数
int add__ns(struct soap *add_soap, int num1, int num2, int *sum)
{
  *sum = num1 + num2;
  return 0;
}
int http_get(struct soap *soap) 
{ 
  FILE*fd = NULL;
  // 发布web server的时候就是将程序放在cmd中运行，记得将wsdl文件和exe文件放在以前
        fd = fopen("./add.wsdl", "rb"); //open WSDL file to copy
  if (!fd)
  {
    return 404; //return HTTP not found error
  }
  soap->http_content = "test/xml";  //HTTP header with text /xml content
  soap_response(soap,SOAP_FILE);
  for(;;)
  {
    size_t r = fread(soap->tmpbuf,1, sizeof(soap->tmpbuf), fd);
    if (!r)
    {
      break;
    }
    if (soap_send_raw(soap, soap->tmpbuf, r))
    {
      break; //cannot send, but little we can do about that
    }
  }
  fclose(fd);
  soap_end_send(soap);
  return SOAP_OK;   
}