Changed RPC sucessful execution code from 1 to 200. Included RpcHandler.h in main header file. Effectively allows RPC through HTTP.

Dependents:   RPC_HTTP RPC_HTTP_WIZnetInterface RPC_HTTP rpc_over_http_TL_interrupter_gatePJ

Fork of HTTPServer by Henry Leinen

Files at this revision

API Documentation at this revision

Comitter:
leihen
Date:
Sat Jun 01 06:24:43 2013 +0000
Parent:
4:d065642c32cc
Child:
6:fe661fa9d18a
Commit message:
Now also supporting RPC get requests

Changed in this revision

HTTPRequestHandler.h Show annotated file Show diff for this revision Revisions of this file
HTTPServer.cpp Show annotated file Show diff for this revision Revisions of this file
Handler/FsHandler.cpp Show annotated file Show diff for this revision Revisions of this file
Handler/FsHandler.h Show annotated file Show diff for this revision Revisions of this file
Handler/HTTPFsRequestHandler.cpp Show diff for this revision Revisions of this file
Handler/HTTPFsRequestHandler.h Show diff for this revision Revisions of this file
Handler/RpcHandler.cpp Show annotated file Show diff for this revision Revisions of this file
Handler/RpcHandler.h Show annotated file Show diff for this revision Revisions of this file
--- a/HTTPRequestHandler.h	Tue May 28 21:20:58 2013 +0000
+++ b/HTTPRequestHandler.h	Sat Jun 01 06:24:43 2013 +0000
@@ -30,10 +30,52 @@
 
 typedef std::map<const char*,const char*> HTTPHeaders;
 
+typedef enum {
+    HTTP_Continue                       = 100,  // 100
+    HTTP_SwitchingProtocols             = 101,  // 101
+    HTTP_Ok                             = 200,  // 200
+    HTTP_Created                        = 201,  // 201
+    HTTP_Accepted                       = 202,  // 202
+    HTTP_NonAuthoritativeInformation    = 203,  // 203
+    HTTP_NoContent                      = 204,  // 204
+    HTTP_ResetContent                   = 205,  // 205
+    HTTP_PartialContent                 = 206,  // 206
+    HTTP_MultipleChoices                = 300,  // 300
+    HTTP_MovedPermanently               = 301,  // 301
+    HTTP_Found                          = 302,  // 302
+    HTTP_SeeOther                       = 303,  // 303
+    HTTP_NotModified                    = 304,  // 304
+    HTTP_UseProxy                       = 305,  // 305
+    HTTP_TemporaryRedirect              = 307,  // 307
+    HTTP_BadRequest                     = 400,  // 400
+    HTTP_Unauthorized                   = 401,  // 401
+    HTTP_PaymentRequired                = 402,  // 402
+    HTTP_Forbidden                      = 403,  // 403
+    HTTP_NotFound                       = 404,  // 404
+    HTTP_MethodNotAllowed               = 405,  // 405
+    HTTP_NotAcceptable                  = 406,  // 406
+    HTTP_ProxyAuthRequired              = 407,  // 407
+    HTTP_RequestTimeOut                 = 408,  // 408
+    HTTP_Conflict                       = 409,  // 409
+    HTTP_Gone                           = 410,  // 410
+    HTTP_LengthRequired                 = 411,  // 411
+    HTTP_PreconditionFailed             = 412,  // 412
+    HTTP_RequestEntityTooLarge          = 413,  // 413
+    HTTP_RequestURITooLarge             = 414,  // 414
+    HTTP_UnsupportedMediaType           = 415,  // 415
+    HTTP_RequestedRangeNotSatisfiable   = 416,  // 416
+    HTTP_ExpectationFailed              = 417,  // 417
+    HTTP_InternalServerError            = 500,  // 500
+    HTTP_NotImplemented                 = 501,  // 501
+    HTTP_BadGateway                     = 502,  // 502
+    HTTP_ServiceUnavailable             = 503,  // 503
+    HTTP_GatewayTimeout                 = 504,  // 504
+    HTTP_HTTPVersionNotSupported        = 505,  // 505
+} HTTPResponseCode;
+
 /** class HTTPRequestHandler is the base class for HTTP Handler request implementations.
 *
 */
-
 class HTTPRequestHandler
 {
     protected:
--- a/HTTPServer.cpp	Tue May 28 21:20:58 2013 +0000
+++ b/HTTPServer.cpp	Sat Jun 01 06:24:43 2013 +0000
@@ -91,6 +91,7 @@
 
 int HTTPServer::poll()
 {    
+    int retval = -1;
     INFO("Listening for new connection requests.");
 
     //  This thread basically checks if there is a new incoming connection.
@@ -99,8 +100,19 @@
 
 #ifdef _DEBUG
     led4 = 1;   //  Indicate we are waiting for a new connection 
-#endif 
-    if (m_pSvr->accept(Clnt) < 0) {
+#endif
+    m_pSvr->set_blocking(true); 
+    retval = m_pSvr->accept(Clnt);
+    if (retval > 0) {
+        // no connection availale yet, so just return
+#ifdef _DEBUG
+led4 = 0;
+led3 = 0;
+led2 = 0;
+#endif
+        return retval;
+    }
+    if ( retval < 0) {
         //  an error occured 
         ERR("There was an error, Accept returned with an error. Probably the connection to the router was lost. Shutting down server");
 #ifdef _DEBUG
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Handler/FsHandler.cpp	Sat Jun 01 06:24:43 2013 +0000
@@ -0,0 +1,97 @@
+/* FsHandler.cpp */
+#include "mbed.h"
+#include "FsHandler.h"
+
+
+#define _DEBUG 1
+
+#if (_DEBUG && !defined(TARGET_LPC11U24))
+#define INFO(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
+#else
+#define INFO(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+
+#define MAX_BUFFERSIZE  128
+static char buffer[MAX_BUFFERSIZE];
+
+
+std::map<const char*, const char*> HTTPFsRequestHandler::m_fsMap;
+ 
+HTTPFsRequestHandler::HTTPFsRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp)
+    : HTTPRequestHandler(Msg, Tcp)
+{
+    m_rootPath = rootPath;
+    m_localPath = localPath;
+    
+    //  Now replace the virtual root path with a mounted device path
+    std::map<const char*, const char*>::iterator it;
+    for (it = m_fsMap.begin() ; it != m_fsMap.end() ; it++) {
+        //  find best match (if the given logical path is containted in the root
+        if (m_rootPath.find( it->second ) == 0) {
+            m_rootPath = it->first;
+            break;
+        }
+    }
+    
+    handleRequest();
+}
+
+HTTPFsRequestHandler::~HTTPFsRequestHandler()
+{
+}
+
+int HTTPFsRequestHandler::handleGetRequest()
+{
+    INFO("Handling Get Request.");
+    int retval = 0;   //success
+    std::string reqPath;
+
+    //  Check if we received a directory with the local bath
+    if ((m_localPath.length() == 0) || (m_localPath.substr( m_localPath.length()-1, 1) == "/")) {
+        //  yes, we shall append the default page name
+        m_localPath += "index.html";
+    }
+    
+    reqPath = m_rootPath + m_localPath;
+    
+    INFO("Mapping \"%s\" to \"%s\"", msg.uri.c_str(), reqPath.c_str());
+        
+    FILE *fp = fopen(reqPath.c_str(), "r");
+    if (fp != NULL) {
+        //  File was found and can be returned
+    
+        //  first determine the size
+        fseek(fp, 0, SEEK_END);
+        long size = ftell(fp);
+        fseek(fp, 0, SEEK_SET);
+    
+        startResponse(200, size);
+        while(!feof(fp) && !ferror(fp)) {
+            int cnt = fread(buffer, 1, MAX_BUFFERSIZE , fp);
+            processResponse(cnt, buffer);
+        }
+        endResponse();
+        fclose(fp);
+    }
+    else {
+        retval = 404;
+        ERR("Requested file was not found !");
+    }
+    
+    return retval;
+}
+
+int HTTPFsRequestHandler::handlePostRequest()
+{
+    return 404;
+}
+
+int HTTPFsRequestHandler::handlePutRequest()
+{
+    return 404;
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Handler/FsHandler.h	Sat Jun 01 06:24:43 2013 +0000
@@ -0,0 +1,81 @@
+/* FsHandler.h */
+/*
+Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+#ifndef __FSHANDLER_H__
+#define __FSHANDLER_H__
+
+#include "mbed.h"
+#include "HTTPRequestHandler.h"
+
+#include <map>
+#include <string>
+
+/** class HTTPFsRequestHandler serves requests with file-system objects
+*/
+class HTTPFsRequestHandler : public HTTPRequestHandler
+{
+        std::string m_rootPath;
+        std::string m_localPath;
+
+    public:
+        /** constructor for HTTPFsRequestHandler object and stores the request related data locally. 
+        * the request handling will be initiated from within the constructor.
+        * @param rootPath : The path under which the handler was registered.
+        * @param localPath : The path which is relative to the registered file system root.
+        * @param Msg : Message request information that comes with the request.
+        * @param Tcp : The socket connection for communicating with the client.
+        */
+        HTTPFsRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp);
+        
+        /** Destructor 
+        */
+        virtual ~HTTPFsRequestHandler();
+  
+        /** static creation function for this object.
+        */
+        static inline HTTPRequestHandler* create(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& msg, TCPSocketConnection& tcp) { return new HTTPFsRequestHandler(rootPath, localPath, msg, tcp); }
+              
+        /** Handler function to serve GET requests
+        */
+        virtual int handleGetRequest();
+        
+        /** Handler function to serve PUT requests
+        */
+        virtual int handlePutRequest();
+        
+        /** Handler function to serve POST requests
+        */
+        virtual int handlePostRequest();
+
+        /** Map to register different file system types and associate them with different root paths
+        */
+        static std::map<const char*, const char*> m_fsMap;
+        
+        /** static function to register a new file system type with a logical root path
+        */
+        static void mount(const char* requestPath, const char* localPath) { m_fsMap[requestPath] = localPath; }
+        
+        /** Parse a uri string for uri file name and argument:value pairs
+        */
+        int parseUriArgs(string uri, map<string, string>& args);
+};
+#endif // __FSHANDLER_H__
\ No newline at end of file
--- a/Handler/HTTPFsRequestHandler.cpp	Tue May 28 21:20:58 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,97 +0,0 @@
-/* HTTPFsRequestHandler.cpp */
-#include "mbed.h"
-#include "HTTPFsRequestHandler.h"
-
-
-#define _DEBUG 1
-
-#if (_DEBUG && !defined(TARGET_LPC11U24))
-#define INFO(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
-#define WARN(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
-#define ERR(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
-#else
-#define INFO(x, ...)
-#define WARN(x, ...)
-#define ERR(x, ...)
-#endif
-
-
-#define MAX_BUFFERSIZE  128
-static char buffer[MAX_BUFFERSIZE];
-
-
-std::map<const char*, const char*> HTTPFsRequestHandler::m_fsMap;
- 
-HTTPFsRequestHandler::HTTPFsRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp)
-    : HTTPRequestHandler(Msg, Tcp)
-{
-    m_rootPath = rootPath;
-    m_localPath = localPath;
-    
-    //  Now replace the virtual root path with a mounted device path
-    std::map<const char*, const char*>::iterator it;
-    for (it = m_fsMap.begin() ; it != m_fsMap.end() ; it++) {
-        //  find best match (if the given logical path is containted in the root
-        if (m_rootPath.find( it->second ) == 0) {
-            m_rootPath = it->first;
-            break;
-        }
-    }
-    
-    handleRequest();
-}
-
-HTTPFsRequestHandler::~HTTPFsRequestHandler()
-{
-}
-
-int HTTPFsRequestHandler::handleGetRequest()
-{
-    INFO("Handling Get Request.");
-    int retval = 200;   //success
-    std::string reqPath;
-
-    //  Check if we received a directory with the local bath
-    if ((m_localPath.length() == 0) || (m_localPath.substr( m_localPath.length()-1, 1) == "/")) {
-        //  yes, we shall append the default page name
-        m_localPath += "index.html";
-    }
-    
-    reqPath = m_rootPath + m_localPath;
-    
-    INFO("Mapping \"%s\" to \"%s\"", msg.uri.c_str(), reqPath.c_str());
-        
-    FILE *fp = fopen(reqPath.c_str(), "r");
-    if (fp != NULL) {
-        //  File was found and can be returned
-    
-        //  first determine the size
-        fseek(fp, 0, SEEK_END);
-        long size = ftell(fp);
-        fseek(fp, 0, SEEK_SET);
-    
-        startResponse(200, size);
-        while(!feof(fp) && !ferror(fp)) {
-            int cnt = fread(buffer, 1, MAX_BUFFERSIZE , fp);
-            processResponse(cnt, buffer);
-        }
-        endResponse();
-        fclose(fp);
-    }
-    else {
-        retval = 404;
-        ERR("Requested file was not found !");
-    }
-    
-    return retval;
-}
-
-int HTTPFsRequestHandler::handlePostRequest()
-{
-    return 404;
-}
-
-int HTTPFsRequestHandler::handlePutRequest()
-{
-    return 404;
-}
\ No newline at end of file
--- a/Handler/HTTPFsRequestHandler.h	Tue May 28 21:20:58 2013 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,81 +0,0 @@
-/* HTTPFsRequestHandler.h */
-/*
-Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de)
- 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
- 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
- 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-#ifndef __HTTPFSREQUESTHANDLER_H__
-#define __HTTPFSREQUESTHANDLER_H__
-
-#include "mbed.h"
-#include "HTTPRequestHandler.h"
-
-#include <map>
-#include <string>
-
-/** class HTTPFsRequestHandler serves requests with file-system objects
-*/
-class HTTPFsRequestHandler : public HTTPRequestHandler
-{
-        std::string m_rootPath;
-        std::string m_localPath;
-
-    public:
-        /** constructor for HTTPFsRequestHandler object and stores the request related data locally. 
-        * the request handling will be initiated from within the constructor.
-        * @param rootPath : The path under which the handler was registered.
-        * @param localPath : The path which is relative to the registered file system root.
-        * @param Msg : Message request information that comes with the request.
-        * @param Tcp : The socket connection for communicating with the client.
-        */
-        HTTPFsRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp);
-        
-        /** Destructor 
-        */
-        virtual ~HTTPFsRequestHandler();
-  
-        /** static creation function for this object.
-        */
-        static inline HTTPRequestHandler* create(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& msg, TCPSocketConnection& tcp) { return new HTTPFsRequestHandler(rootPath, localPath, msg, tcp); }
-              
-        /** Handler function to serve GET requests
-        */
-        virtual int handleGetRequest();
-        
-        /** Handler function to serve PUT requests
-        */
-        virtual int handlePutRequest();
-        
-        /** Handler function to serve POST requests
-        */
-        virtual int handlePostRequest();
-
-        /** Map to register different file system types and associate them with different root paths
-        */
-        static std::map<const char*, const char*> m_fsMap;
-        
-        /** static function to register a new file system type with a logical root path
-        */
-        static void mount(const char* requestPath, const char* localPath) { m_fsMap[requestPath] = localPath; }
-        
-        /** Parse a uri string for uri file name and argument:value pairs
-        */
-        int parseUriArgs(string uri, map<string, string>& args);
-};
-#endif // __HTTPFSREQUESTHANDLER_H__
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Handler/RpcHandler.cpp	Sat Jun 01 06:24:43 2013 +0000
@@ -0,0 +1,85 @@
+/* FsHandler.cpp */
+#include "mbed.h"
+#include "RpcHandler.h"
+#include "mbed_rpc.h"
+
+
+#define _DEBUG 1
+
+#if (_DEBUG && !defined(TARGET_LPC11U24))
+#define INFO(x, ...) std::printf("[HTTPRpcHandler : DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) std::printf("[HTTPRpcHandler : DBG]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) std::printf("[HTTPRpcHandler : DBG]"x"\r\n", ##__VA_ARGS__);
+#else
+#define INFO(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+RPC rpc("rpc");
+
+
+HTTPRpcRequestHandler::HTTPRpcRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp)
+    : HTTPRequestHandler(Msg, Tcp)
+{
+    m_rootPath = rootPath;
+    m_localPath = localPath;
+    
+    handleRequest();
+}
+
+
+HTTPRpcRequestHandler::~HTTPRpcRequestHandler()
+{
+}
+
+
+int HTTPRpcRequestHandler::handleGetRequest()
+{
+    char outBuf[256] = {};
+    bool retval = false;
+    int err = 404;
+    string rpc_args("");
+    
+    INFO("Handling RPC Get Requesst.");
+    // This version of the RPC handler does only accept native RPC commands in the format
+    //  /<class>/<method> <argument1> [<argument2> [<argument3> ...]]
+    // So we can simply pass our local pathg to our rpc
+
+    //  Append missing slash if needed
+    if (m_localPath.c_str()[0] != '/') {
+        rpc_args = "/";
+    }
+    // replace the HTTP strings with ascii strings
+    for (int i = 0 ; i < m_localPath.length() ; i++) {
+        if (m_localPath.substr(i,3) == "%20") {
+            rpc_args += " ";
+            i+=2;
+        }
+        else {
+            rpc_args += m_localPath.substr(i,1);
+        }
+    }
+    INFO("RPC to %s", rpc_args.c_str());
+    retval = rpc.call(rpc_args.c_str(),outBuf);
+    INFO("RPC Request returned %d with args : %s", retval==true ? 1 : 0, outBuf);
+    if (retval) {
+        //  No error
+        startResponse(retval, strlen(outBuf));
+        processResponse(strlen(outBuf), outBuf);
+        endResponse();
+        err = 0;
+    }
+    
+    return err;
+}
+
+int HTTPRpcRequestHandler::handlePutRequest()
+{
+    return 404;
+}
+
+int HTTPRpcRequestHandler::handlePostRequest()
+{
+    return 404;
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Handler/RpcHandler.h	Sat Jun 01 06:24:43 2013 +0000
@@ -0,0 +1,68 @@
+/* RpcHandler.h */
+/*
+Copyright (c) 2013 Henry Leinen (henry[dot]leinen [at] online [dot] de)
+ 
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+ 
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+#ifndef __RPCHANDLER_H__
+#define __RPCHANDLER_H__
+
+#include "mbed.h"
+#include "HTTPRequestHandler.h"
+
+class HTTPRpcRequestHandler : public HTTPRequestHandler
+{
+        std::string m_rootPath;
+        std::string m_localPath;
+
+    public:
+        /** constructor for HTTPRpcRequestHandler object and stores the request related data locally. 
+        * the request handling will be initiated from within the constructor.
+        * @param rootPath : The path under which the handler was registered.
+        * @param localPath : The path which is relative to the registered file system root.
+        * @param Msg : Message request information that comes with the request.
+        * @param Tcp : The socket connection for communicating with the client.
+        */
+        HTTPRpcRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp);
+        
+        /** Destructor 
+        */
+        virtual ~HTTPRpcRequestHandler();
+  
+        /** static creation function for this object.
+        */
+        static inline HTTPRequestHandler* create(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& msg, TCPSocketConnection& tcp) { return new HTTPRpcRequestHandler(rootPath, localPath, msg, tcp); }
+              
+        /** Handler function to serve GET requests
+        */
+        virtual int handleGetRequest();
+        
+        /** Handler function to serve PUT requests
+        */
+        virtual int handlePutRequest();
+        
+        /** Handler function to serve POST requests
+        */
+        virtual int handlePostRequest();
+
+        /** Parse a uri string for uri file name and argument:value pairs
+        */
+//        int parseUriArgs(string uri, string map<string, string>& args);
+};
+#endif //   __RPCHANDLER_H__
\ No newline at end of file