/* A simple XML-RPC server that runs under Inetd.  I.e. it lets the invoking
   program handle all the connection switching and simply processes one
   RPC on the provided connection (Standard Input) and exits.
*/

#ifndef WIN32
#include <unistd.h>
#endif
#include <cassert>

#include <xmlrpc-c/base.hpp>
#include <xmlrpc-c/registry.hpp>
#include <xmlrpc-c/server_abyss.hpp>

using namespace std;

class sampleAddMethod : public xmlrpc_c::method {
public:
    sampleAddMethod() {
        // signature and help strings are documentation -- the client
        // can query this information with a system.methodSignature and
        // system.methodHelp RPC.
        this->_signature = "i:ii";  // method's arguments are two integers
        this->_help = "This method adds two integers together";
    }
    void
    execute(xmlrpc_c::paramList const& paramList,
            xmlrpc_c::value *   const  retvalP) {
        
        int const addend(paramList.getInt(0));
        int const adder(paramList.getInt(1));
        
        paramList.verifyEnd(2);
        
        *retvalP = xmlrpc_c::value_int(addend + adder);
    }
};



int 
main(int           const, 
     const char ** const) {

    xmlrpc_c::registry myRegistry;

    xmlrpc_c::methodPtr const sampleAddMethodP(new sampleAddMethod);

    myRegistry.addMethod("sample.add", sampleAddMethodP);

    xmlrpc_c::serverAbyss myAbyssServer(
         xmlrpc_c::serverAbyss::constrOpt()
         .registryP(&myRegistry));

    myAbyssServer.runConn(STDIN_FILENO);
        /* This reads the HTTP POST request from Standard Input and
           executes the indicated RPC.
        */
    return 0;
}
