JsonRpcHandler.qm.dox.h

// -*- mode: c++; indent-tabs-mode: nil -*-

/*  JsonRpcHandler.qm Copyright (C) 2012 - 2018 Qore Technologies, s.r.o.

    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.
*/

// minimum qore version

// requires the binary json module

// need mime definitions

// need Util functions

// need HttpServerUtil definitions

// don't use "$" for vars, members, and method calls, assume local var scope


namespace JsonRpcHandler {

class JsonRpcHandler : public AbstractHttpRequestHandler {

public:
        public :
            const Version = "1.3";

            const InternalMethods = (
                ("function": "help",
                 "help": "shows a list of JSON-RPC methods registered with this handler",
                 "text": "help",
                 "logopt": 2
                ),
                ("function": "listMethods",
                 "help": "lists JSON-RPC method names registered with this handler",
                 "text": "system.listMethods",
                 "logopt": 2
                ),
                ("function": "systemDescribe",
                 "help": "returns the service description object as per the JSON-RPC 1.1 spec",
                 "text": "system.describe",
                 "logopt": 2
                ));

            const JRE_ParseError = -32700;

            const JRE_InvalidRequest = -32600;

            const JRE_MethodNotFound = -32601;

            const JRE_InvalidParams = -32602;

            const JRE_InternalError = -32603;

public:

        private:internal {
            list methods = ();
            hash mi;
            int loglevel;

            // if True then verbose exception info will be logged
            bool debug;

            // prefix to add to derived methods with GET requests if no "." characters are in the path
            *string get_prefix;

            // a closure/call reference to get the log message and/or process arguments in incoming requests
            *code getLogMessage;

            // a closure/call reference for logging (when set this is used instead of the HTTP server's logfunc for logging)
            *code log_code;
        }


        constructor(HttpServer::AbstractAuthenticator n_auth, list n_methods, *code n_getLogMessage, bool n_dbg = False, *string n_get_prefix, *code n_log) ;



        addMethod(string name, code func, string text, string help, auto logopt, auto cmark);


        setDebug(bool dbg = True);


        bool getDebug();


        // don't reimplement this method; fix/enhance it in the module

private:
        final  addMethodInternal(hash h);
public:



private:
         hash help();
public:



private:
         hash systemDescribe();
public:



private:
         list listMethods();
public:



private:
         log(hash cx, string str);
public:


        // don't reimplement this method; fix/enhance it in the module

private:
        final  hash callMethod(hash cx, auto params);
public:


        // method called by HttpServer to handle a request
        // don't reimplement this method; fix/enhance it in the module
        final hash handleRequest(hash cx, hash hdr, *data body);



private:
         hash processBatchMessage(hash cx, list l);
public:

    };
};