gSoap 创建Web Service

1.新建控制台程序CalculatorService,并新建头文件Calculator.h

typedef double xsd__double; 
int ns__add(xsd__double a, xsd__double b, xsd__double &result); 
int ns__sub(xsd__double a, xsd__double b, xsd__double &result); 
int ns__sqrt(xsd__double a, xsd__double &result); 

2.运行soapcpp2.exe生成相关文件

3.配置CalculatorService工程:加入wsock32.lib

gSoap 创建Web Service

4. CalculatorService主程序代码

int main()

{

       structsoap soap;

       int m, s;

       soap_init(&soap);

       m = soap_bind(&soap, NULL, 18888,100);

       if (m< 0)

              soap_print_fault(&soap,stderr);

       else

       {

              fprintf(stderr, "Socket connection successful: master socket =%d\n", m);

              for(int i = 1; ; i++)

              {

                     s = soap_accept(&soap);

                     if(s < 0)

                     {

                            soap_print_fault(&soap,stderr);

                            break;

                     }

                     fprintf(stderr, "%d: accepted connection from IP=%d.%d.%d.%dsocket=%d", i,

                            (soap.ip >>24)&0xFF, (soap.ip >> 16)&0xFF, (soap.ip >> 8)&0xFF,soap.ip&0xFF, s);

                            if (soap_serve(&soap) != SOAP_OK)                               soap_print_fault(&soap, stderr);

                     fprintf(stderr, "request served\n");

                     soap_destroy(&soap);   

                     soap_end(&soap);  

              }

       }

       soap_done(&soap);  

       return 0;

}

 

//实现相应的函数声明

int ns__add(struct soap *soap, doublea, double b, double&result)

{

       result = a + b;

       returnSOAP_OK;

}

int ns__sub(struct soap *soap, doublea, double b, double&result)

{

       result = a - b;

       returnSOAP_OK;

}

int ns__sqrt(struct soap *soap, doublea, double &result)

{

       if (a>= 0)

       {

              result = sqrt(a);

              returnSOAP_OK;

       }

       else

              returnsoap_receiver_fault(soap, "Square root ofnegative number", "I can only takethe square root of a non-negative number");

}

5.启动Service

gSoap 创建Web Service

在浏览器地址栏输入

http://localhost:18888/

显示的XML为

gSoap 创建Web Service

需要设置soap.fget:

soap_init(&soap);

       soap.fget = http_get;

       m = soap_bind(&soap, NULL, 18888,100);

 

int   http_get(struct   soap  *soap)

{

       FILE*fd = NULL;

       fd = fopen("ns.wsdl","rb");

       if (!fd)

       {

              return404;  

       }

       soap->http_content = "text/xml"

       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; 

              }

       }

       fclose(fd);

       soap_end_send(soap);

       returnSOAP_OK;

}

,这时再刷新http://localhost:18888/,正确获得XML

6.创建客户端:CalculatorClient并吧soapcpp2.exe生成的文件拷到目录下。

客户端主程序代码

int add( const char* server, double num1, doublenum2, double &sum ) 

       structsoap add_soap; 

       intresult = 0; 

       soap_init(&add_soap); 

       soap_call_ns__add( &add_soap, server,"", num1, num2, sum ); 

       if(add_soap.error) 

       { 

              printf("soaperror:%d,%s,%s/n", add_soap.error, *soap_faultcode(&add_soap),*soap_faultstring(&add_soap) ); 

              result = add_soap.error; 

       }  

       soap_end(&add_soap); 

       soap_done(&add_soap); 

       returnresult; 

 

int sub(const char* server, double num1, doublenum2, double &sum)

{

       structsoap add_soap; 

       intresult = 0; 

       soap_init(&add_soap); 

       soap_call_ns__sub( &add_soap, server,"", num1, num2, sum ); 

       if(add_soap.error) 

       { 

              printf("soaperror:%d,%s,%s/n", add_soap.error, *soap_faultcode(&add_soap),*soap_faultstring(&add_soap) ); 

              result = add_soap.error; 

       }  

       soap_end(&add_soap); 

       soap_done(&add_soap); 

       returnresult; 

}

 

int Sqrt(const char* server, double num1, double&sum)

{

       structsoap add_soap; 

       intresult = 0; 

       soap_init(&add_soap); 

       soap_call_ns__sqrt( &add_soap,server, "", num1,sum ); 

       if(add_soap.error) 

       { 

              printf("soaperror:%d,%s,%s/n", add_soap.error, *soap_faultcode(&add_soap),*soap_faultstring(&add_soap) ); 

              result = add_soap.error; 

       }  

       soap_end(&add_soap); 

       soap_done(&add_soap); 

       returnresult; 

}

 

int main()

{

       intresult = -1; 

       char*server="http://localhost:18888"

       doublenum1 = 5; 

       doublenum2 = 6; 

       doublesum = 0; 

 

       result = add(server, num1, num2,sum); 

       if(result != 0) 

       { 

              printf("soaperr,errcode = %d/n", result); 

       } 

       else 

       { 

              printf("%.2f+ %.2f =%.2f \n", num1, num2, sum ); 

       } 

 

       result = sub(server, num1, num2,sum); 

       if(result != 0) 

       { 

              printf("soaperr,errcode = %d/n", result); 

       } 

       else 

       { 

              printf("%.2f  -%.2f =%.2f \n", num1, num2, sum); 

       } 

 

       result = Sqrt(server, num1, sum); 

       if(result != 0) 

       { 

              printf("soaperr,errcode = %d/n", result); 

       } 

       else 

       { 

              printf("sqrt(%.2f)  =%.2f \n", num1, sum ); 

       } 

       system("pause");

       return 0;

}

gSoap 创建Web Service


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gSoap 创建Web Service

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