hiep fix

include/robot_xmlrpcpp/XmlRpcClient.h

@@ -0,0 +1,130 @@
+
+#ifndef _XMLRPCCLIENT_H_
+#define _XMLRPCCLIENT_H_
+//
+// XmlRpc++ Copyright (c) 2002-2003 by Chris Morley
+//
+#if defined(_MSC_VER)
+# pragma warning(disable:4786)    // identifier was truncated in debug info
+#endif
+
+
+#ifndef MAKEDEPEND
+# include <string>
+#endif
+
+#include "robot_xmlrpcpp/XmlRpcDispatch.h"
+#include "robot_xmlrpcpp/XmlRpcSource.h"
+
+namespace robot {
+namespace XmlRpc {
+
+  // Arguments and results are represented by XmlRpcValues
+  class XmlRpcValue;
+
+  //! A class to send XML RPC requests to a server and return the results.
+  class XmlRpcClient : public XmlRpcSource {
+  public:
+    // Static data
+    static const char REQUEST_BEGIN[];
+    static const char REQUEST_END_METHODNAME[];
+    static const char PARAMS_TAG[];
+    static const char PARAMS_ETAG[];
+    static const char PARAM_TAG[];
+    static const char PARAM_ETAG[];
+    static const char REQUEST_END[];
+    // Result tags
+    static const char METHODRESPONSE_TAG[];
+    static const char FAULT_TAG[];
+
+    //! Construct a client to connect to the server at the specified host:port address
+    //!  @param host The name of the remote machine hosting the server
+    //!  @param port The port on the remote machine where the server is listening
+    //!  @param uri  An optional string to be sent as the URI in the HTTP GET header
+    XmlRpcClient(const char* host, int port, const char* uri=0);
+
+    //! Destructor
+    virtual ~XmlRpcClient();
+
+    //! Execute the named procedure on the remote server.
+    //!  @param method The name of the remote procedure to execute
+    //!  @param params An array of the arguments for the method
+    //!  @param result The result value to be returned to the client
+    //!  @return 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.
+    bool execute(const char* method, XmlRpcValue const& params, XmlRpcValue& result);
+
+    //! Returns true if the result of the last execute() was a fault response.
+    bool isFault() const { return _isFault; }
+
+
+    // XmlRpcSource interface implementation
+    //! Close the connection
+    virtual void close();
+
+    //! Handle server responses. Called by the event dispatcher during execute.
+    //!  @param eventType The type of event that occurred. 
+    //!  @see XmlRpcDispatch::EventType
+    virtual unsigned handleEvent(unsigned eventType);
+
+  protected:
+    // Execution processing helpers
+    virtual bool doConnect();
+    virtual bool setupConnection();
+
+    virtual bool generateRequest(const char* method, XmlRpcValue const& params);
+    virtual std::string generateHeader(std::string const& body);
+    virtual bool writeRequest();
+    virtual bool readHeader();
+    virtual bool readResponse();
+    virtual bool parseResponse(XmlRpcValue& result);
+
+    // Possible IO states for the connection
+    enum ClientConnectionState { NO_CONNECTION, CONNECTING, WRITE_REQUEST, READ_HEADER, READ_RESPONSE, IDLE };
+    ClientConnectionState _connectionState;
+
+    // Server location
+    std::string _host;
+    std::string _uri;
+    int _port;
+
+    // The xml-encoded request, http header of response, and response xml
+    std::string _request;
+    std::string _header;
+    std::string _response;
+
+    // Number of times the client has attempted to send the request
+    int _sendAttempts;
+
+    // Number of bytes of the request that have been written to the socket so far
+    int _bytesWritten;
+
+    // True if we are currently executing a request. If you want to multithread,
+    // each thread should have its own client.
+    bool _executing;
+
+    // True if the server closed the connection
+    bool _eof;
+
+
+    // True if a fault response was returned by the server
+
+    bool _isFault;
+
+
+    // Number of bytes expected in the response body (parsed from response header)
+    int _contentLength;
+
+    // Event dispatcher
+    XmlRpcDispatch _disp;
+
+  };	// class XmlRpcClient
+
+}	// namespace XmlRpc
+}	// namespace robot
+
+#endif	// _XMLRPCCLIENT_H_