/*
Copyright 2004-2006 BBN Technologies Corporation

Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software distributed
under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
CONDITIONS OF ANY KIND, either express or implied.
    
See the License for the specific language governing permissions and limitations
under the License.

$Id: ECLACommand.cc,v 1.1 2006/12/20 13:37:31 jward Exp $
*/

#include <config.h>
#ifdef XERCES_C_ENABLED

#include <oasys/io/NetUtils.h>

#include "ECLACommand.h"
#include "conv_layers/ConvergenceLayer.h"
#include "conv_layers/ExternalConvergenceLayer.h"

namespace dtn {

static ExternalConvergenceLayer* ecl = NULL;

ECLACommand::ECLACommand() 
    : TclCommand("ecla")
{
    bind_var( new oasys::StringOpt("schema",
              &ExternalConvergenceLayer::schema_,
              "ECLA schema location",
              "The location of the ECLA schema file.") );
    
    bind_var( new oasys::InAddrOpt("server_addr",
              &ExternalConvergenceLayer::server_addr_,
              "ECLA server address",
              "The address to listen for external CLAs on") );
    
    bind_var( new oasys::UInt16Opt("server_port",
              &ExternalConvergenceLayer::server_port_,
              "ECLA server port",
              "The port to listen for external CLAs on") );
}

int
ECLACommand::exec(int argc, const char** argv, Tcl_Interp* interp)
{
    (void)interp;
    
    if (argc < 2) {
        resultf("Need an ecla subcommand");
        return TCL_ERROR;
    }

    const char* cmd = argv[1];

    if (strcmp(cmd, "start") == 0) {
        if (ecl) {
            resultf("ExternalConvergenceLayer already started");
            return TCL_ERROR;
        }
        
        ecl = new ExternalConvergenceLayer();
        ecl->start();        
        ConvergenceLayer::add_clayer(ecl);
    }
    
    else {
        resultf("Unimplemented ecla subcommand %s", cmd);
        return TCL_ERROR;
    }
    
    return TCL_OK;
}
    
} // namespace dtn

#endif // XERCES_C_ENABLED