JsonRpcHandler.qm.dox.h

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

/*  JsonRpcHandler.qm Copyright 2012 - 2013 David Nichols

    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 HttpServer definitions


/*  Version History
    * 2012-06-01 v1.0: David Nichols <david@qore.org>: updated to a user module
    * 2013-09-24 v1.1: David Nichols <david@qore.org>: added optional log closure to constructor
*/

namespace JsonRpcHandler {

class JsonRpcHandler : public AbstractHttpRequestHandler {

public:
        const Version = "1.0";

        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": "system_describe",
             "help": "returns the service description object as per the JSON-RPC 1.1 spec",
             "text": "system.describe",
             "logopt": 2
            ));
        
        private :
            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;

public:


        constructor(AbstractAuthenticator auth, list methods, *code getLogMessage, bool dbg = False, *string get_prefix, *code log);



        addMethod(string name, code func, string text, string help, any logopt, any 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 system_describe();
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, any 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);

    };
};