xmlrpc++谁用过？

2009-07-08 04:26:12 254 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

用C++ ulxmlrpcpp 做服务端，PHP xmlrpc 做客户端，实现前后xml通信本文介绍了如何使用C++的ulxmlrpcpp库作为服务端，PHP的xmlrpc库作为客户端，实现前后端的XML通信。在实践中，由于两个库并不完全兼容，需要对ulxmlrpcpp的源码进行修改才能正常通信。详细过程包括程序下载、安装、ulxmlrpcpp的代码修改以及遇到的问题和解决方案，特别是针对PHP无法正确解析服务端响应的调试与修复。阅读详情

怎么给远程调用methodCall加参数呢，也就是客户端的接口execute中，第二个参数是给这个xmlrpc调用带上参数的，参数有数组和结构体，利用XmlRpcValue这个类来传，具体是怎么传递呢？

...全文

ROS Launch load Yaml 文件的矩阵或List ROS提供参数服务器，可将参数存于yaml文件，用rosparam load命令加载到参数服务器。但一个参数只能对应一个数或字符串，若要上传矩阵或list，需用XmlRpc::XmlRpcValue进行转换，文中记录了相关方法。阅读详情

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blueice12 2011-06-05

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XmlRpcValue可以当做数据或者结构来用，支持[]操作符。
例如：params可以使用
params[0]["Name"] = "ZhangSan";
params[0]["Age"]=12;

不过我用测试程序没问题，但是把服务器放在多线程程序中的非GUI线程运行，就不稳定，有时候能行，有时候不行，暂时还没解决。

全球全网精准引流软件SaaS平台 2009-07-09

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http://xmlrpcplus-pplus-p.sourcearchive.com/documentation/0.7plus-pcvs20040713/dir_fac05448057e67e857b9e6566979f567.html
目录：
test Directory Reference

Files
file FileClient.cpp [code]
file HelloClient.cpp [code]
file HelloServer.cpp [code]
file TestBase64Client.cpp [code]
file TestBase64Server.cpp [code]
file TestEGroupwareSSLClient.cpp [code]
file TestValues.cpp [code]
file TestValuesWin32.cpp [code]
file TestXml.cpp [code]
file Validator.cpp [code]

其中FileClient.cpp的code为：

00001 // FileClient.cpp : A simple xmlrpc client. Usage: FileClient serverHost serverPort xmlfile

00002 // Reads an xmlrpc request from the specified xmlfile and calls the method on the server.

00003 // 

00004 // Link against xmlrpc lib and whatever socket libs your system needs (ws2_32.lib on windows)

00005 

00006 #include "XmlRpc.h"

00007 #include <iostream>

00008 #include <fstream>

00009 #include <stdlib.h>

00010 

00011 using namespace XmlRpc;

00012 

00013 std::string parseRequest(std::string const& xml, XmlRpcValue& params);

00014 

00015 

00016 int main(int argc, char* argv[])

00017 {

00018   if (argc != 4) {

00019     std::cerr << "Usage: FileClient serverHost serverPort requestXmlFile\n";

00020     return -1;

00021   }

00022   int port = atoi(argv[2]);

00023 

00024   XmlRpc::setVerbosity(5);

00025   XmlRpcClient c(argv[1], port);

00026 

00027   //

00028   std::ifstream infile(argv[3]);

00029   if (infile.fail()) {

00030     std::cerr << "Could not open file '" << argv[3] << "'.\n";

00031     return -1;

00032   }

00033 

00034   // Suck in the file. This is a one-liner in good compilers (which vc++ 6 is not)...

00035   infile.seekg(0L, std::ios::end);

00036   long nb = infile.tellg();

00037   infile.clear();

00038   infile.seekg(0L);

00039   char* b = new char[nb+1];

00040   infile.read(b, nb);

00041   b[nb] = 0;

00042 

00043   std::cout << "Read file.\n";

00044 

00045   // Find the methodName and parse the params

00046   std::string s(b);

00047   XmlRpcValue params;

00048   std::string name = parseRequest(s, params);

00049 

00050   if (name.empty()) {

00051     std::cerr << "Could not parse file\n";

00052     return -1;

00053   }

00054 

00055   for (;;) {

00056     XmlRpcValue result;

00057     std::cout << "Calling " << name << std::endl;

00058     if (c.execute(name.c_str(), params, result))

00059       std::cout << result << "\n\n";

00060     else

00061       std::cout << "Error calling '" << name << "'\n\n";

00062     std::cout << "Again? [y]: ";

00063     std::string ans;

00064     std::cin >> ans;

00065     if (ans != "" && ans != "y") break;

00066   }

00067 

00068   return 0;

00069 }

00070 

00071 

00072 // 

00073 std::string

00074 parseRequest(std::string const& xml, XmlRpcValue& params)

00075 {

00076   const char METHODNAME_TAG[] = "<methodName>";

00077   const char PARAMS_TAG[] = "<params>";

00078   const char PARAMS_ETAG[] = "</params>";

00079   const char PARAM_TAG[] = "<param>";

00080   const char PARAM_ETAG[] = "</param>";

00081 

00082   int offset = 0;   // Number of chars parsed from the request

00083 

00084   std::string methodName = XmlRpcUtil::parseTag(METHODNAME_TAG, xml, &offset);

00085   XmlRpcUtil::log(3, "XmlRpcServerConnection::parseRequest: parsed methodName %s.", methodName.c_str()); 

00086 

00087   if (! methodName.empty() && XmlRpcUtil::findTag(PARAMS_TAG, xml, &offset))

00088   {

00089     int nArgs = 0;

00090     while (XmlRpcUtil::nextTagIs(PARAM_TAG, xml, &offset)) {

00091       std::cout << "Parsing arg " << nArgs+1 << std::endl;

00092       XmlRpcValue arg(xml, &offset);

00093       if ( ! arg.valid()) {

00094         std::cerr << "Invalid argument\n";

00095         return std::string();

00096       }

00097       std::cout << "Adding arg " << nArgs+1 << " to params array." << std::endl;

00098       params[nArgs++] = arg;

00099       (void) XmlRpcUtil::nextTagIs(PARAM_ETAG, xml, &offset);

00100     }

00101 

00102     XmlRpcUtil::log(3, "XmlRpcServerConnection::parseRequest: parsed %d params.", nArgs); 

00103 

00104     (void) XmlRpcUtil::nextTagIs(PARAMS_ETAG, xml, &offset);

00105   }

00106 

00107   return methodName;

00108 }

可以直接调用！
希望能对你有所帮助，谢谢！

全球全网精准引流软件SaaS平台 2009-07-09

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00001 // FileClient.cpp : A simple xmlrpc client. Usage: FileClient serverHost serverPort xmlfile

00002 // Reads an xmlrpc request from the specified xmlfile and calls the method on the server.

00003 // 

00004 // Link against xmlrpc lib and whatever socket libs your system needs (ws2_32.lib on windows)

00005 

00006 #include "XmlRpc.h"

00007 #include <iostream>

00008 #include <fstream>

00009 #include <stdlib.h>

00010 

00011 using namespace XmlRpc;

00012 

00013 std::string parseRequest(std::string const& xml, XmlRpcValue& params);

00014 

00015 

00016 int main(int argc, char* argv[])

00017 {

00018   if (argc != 4) {

00019     std::cerr << "Usage: FileClient serverHost serverPort requestXmlFile\n";

00020     return -1;

00021   }

00022   int port = atoi(argv[2]);

00023 

00024   XmlRpc::setVerbosity(5);

00025   XmlRpcClient c(argv[1], port);

00026 

00027   //

00028   std::ifstream infile(argv[3]);

00029   if (infile.fail()) {

00030     std::cerr << "Could not open file '" << argv[3] << "'.\n";

00031     return -1;

00032   }

00033 

00034   // Suck in the file. This is a one-liner in good compilers (which vc++ 6 is not)...

00035   infile.seekg(0L, std::ios::end);

00036   long nb = infile.tellg();

00037   infile.clear();

00038   infile.seekg(0L);

00039   char* b = new char[nb+1];

00040   infile.read(b, nb);

00041   b[nb] = 0;

00042 

00043   std::cout << "Read file.\n";

00044 

00045   // Find the methodName and parse the params

00046   std::string s(b);

00047   XmlRpcValue params;

00048   std::string name = parseRequest(s, params);

00049 

00050   if (name.empty()) {

00051     std::cerr << "Could not parse file\n";

00052     return -1;

00053   }

00054 

00055   for (;;) {

00056     XmlRpcValue result;

00057     std::cout << "Calling " << name << std::endl;

00058     if (c.execute(name.c_str(), params, result))

00059       std::cout << result << "\n\n";

00060     else

00061       std::cout << "Error calling '" << name << "'\n\n";

00062     std::cout << "Again? [y]: ";

00063     std::string ans;

00064     std::cin >> ans;

00065     if (ans != "" && ans != "y") break;

00066   }

00067 

00068   return 0;

00069 }

00070 

00071 

00072 // 

00073 std::string

00074 parseRequest(std::string const& xml, XmlRpcValue& params)

00075 {

00076   const char METHODNAME_TAG[] = "<methodName>";

00077   const char PARAMS_TAG[] = "<params>";

00078   const char PARAMS_ETAG[] = "</params>";

00079   const char PARAM_TAG[] = "<param>";

00080   const char PARAM_ETAG[] = "</param>";

00081 

00082   int offset = 0;   // Number of chars parsed from the request

00083 

00084   std::string methodName = XmlRpcUtil::parseTag(METHODNAME_TAG, xml, &offset);

00085   XmlRpcUtil::log(3, "XmlRpcServerConnection::parseRequest: parsed methodName %s.", methodName.c_str()); 

00086 

00087   if (! methodName.empty() && XmlRpcUtil::findTag(PARAMS_TAG, xml, &offset))

00088   {

00089     int nArgs = 0;

00090     while (XmlRpcUtil::nextTagIs(PARAM_TAG, xml, &offset)) {

00091       std::cout << "Parsing arg " << nArgs+1 << std::endl;

00092       XmlRpcValue arg(xml, &offset);

00093       if ( ! arg.valid()) {

00094         std::cerr << "Invalid argument\n";

00095         return std::string();

00096       }

00097       std::cout << "Adding arg " << nArgs+1 << " to params array." << std::endl;

00098       params[nArgs++] = arg;

00099       (void) XmlRpcUtil::nextTagIs(PARAM_ETAG, xml, &offset);

00100     }

00101 

00102     XmlRpcUtil::log(3, "XmlRpcServerConnection::parseRequest: parsed %d params.", nArgs); 

00103 

00104     (void) XmlRpcUtil::nextTagIs(PARAMS_ETAG, xml, &offset);

00105   }

00106 

00107   return methodName;

00108 }

Walf_ghoul 2009-07-08

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[Quote=引用 2 楼 jimmy_w 的回复:]
引用 1 楼 Walf_ghoul 的回复:

路过，帮顶。。。

白高兴一场
[/Quote]



while(true)

{

    cout<<"I am sorry...."<<endl;

}

Fleeboy 2009-07-08

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参考一下：
http://www.diybl.com/course/3_program/c++/cppsl/2008222/100465.html

lingyin55 2009-07-08

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http://www.xmlrpc.com/

Fleeboy 2009-07-08

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java的用过，感觉并不难。
C++的还在学习中

全球全网精准引流软件SaaS平台 2009-07-08

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[Quote=引用 8 楼 jimmy_w 的回复:]
引用 5 楼 jindan_jinming 的回复:
http://xmlrpcplus-pplus-p.sourcearchive.com/documentation/0.7plus-pcvs20040713/classXmlRpc_1_1XmlRpcClient.html
里面哪个接口不清楚的话直接点里面的链接即可！

希望能对你有所帮助，谢谢！

这个基本上没用，我看的就是官方的文档，只有类的声明和成员函数的原型，没有demo，不知道怎么调用
[/Quote]

http://xmlrpcplus-pplus-p.sourcearchive.com/documentation/0.7plus-pcvs20040713/dir_fac05448057e67e857b9e6566979f567.html
这个全都是test的文件，也可以当demo来用！

大爷想要时光机 2009-07-08

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[Quote=引用 5 楼 jindan_jinming 的回复:]
http://xmlrpcplus-pplus-p.sourcearchive.com/documentation/0.7plus-pcvs20040713/classXmlRpc_1_1XmlRpcClient.html
里面哪个接口不清楚的话直接点里面的链接即可！

希望能对你有所帮助，谢谢！
[/Quote]

这个基本上没用，我看的就是官方的文档，只有类的声明和成员函数的原型，没有demo，不知道怎么调用

K_s_G 2009-07-08

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很高深

全球全网精准引流软件SaaS平台 2009-07-08

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bool XmlRpcClient::execute  ( const char *  method,  

  XmlRpcValue const &  params,  

  XmlRpcValue &  result   

 )    



Execute the named procedure on the remote server. 



Parameters:

 method  The name of the remote procedure to execute  

 params  An array of the arguments for the method  

 result  The result value to be returned to the client  



Returns:

true if the request was sent and a result received (although the result might be a fault).

Currently this is a synchronous (blocking) implementation (execute does not return until it receives a response or an error). Use isFault() to determine whether the result is a fault response. 

Definition at line 165 of file XmlRpcClient.cpp.



References XmlRpc::XmlRpcValue::clear(), XmlRpc::XmlRpcUtil::log(), and XmlRpc::XmlRpcDispatch::work().



00166 {

00167   XmlRpcUtil::log(1, "XmlRpcClient::execute: method %s (_connectionState %d).", method, _connectionState);

00168 

00169   // This is not a thread-safe operation, if you want to do multithreading, use separate

00170   // clients for each thread. If you want to protect yourself from multiple threads

00171   // accessing the same client, replace this code with a real mutex.

00172   if (_executing)

00173     return false;

00174 

00175   _executing = true;

00176   ClearFlagOnExit cf(_executing);

00177 

00178   _sendAttempts = 0;

00179   _isFault = false;

00180 

00181   if ( ! setupConnection())

00182     return false;

00183 

00184   if ( ! generateRequest(method, params))

00185     return false;

00186 

00187   result.clear();

00188   double msTime = -1.0;   // Process until exit is called

00189   _disp.work(msTime);

00190 

00191   if (_connectionState != IDLE || ! parseResponse(result))

00192     return false;

00193 

00194   XmlRpcUtil::log(1, "XmlRpcClient::execute: method %s completed.", method);

00195   _response = "";

00196   return true;

00197 }