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transport.cc

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/**************************************************************************
 Copyright (c) 2000-2001, Tony Garnock-Jones
 All rights reserved.

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     * Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.

     * Redistributions in binary form must reproduce the above
       copyright notice, this list of conditions and the following
       disclaimer in the documentation and/or other materials provided
       with the distribution.

     * Neither the names of the copyright holders nor the names of this
       software's contributors may be used to endorse or promote
       products derived from this software without specific prior
       written permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>

#include <mps/mps.h>

namespace MPS {

Transport::transportVec_t Transport::allTransports;

Transport *Transport::findTransport(string const &name) {
  for (transportVec_t::iterator i = allTransports.begin();
       i != allTransports.end();
       i++) {
    if ((*i)->name == name)
      return (*i);
  }

  throw MPSException("Transport " + name + " not registered");
}

void Transport::registerTransport(Transport *t) {
  allTransports.push_back(t);
}

ref<Connection> Transport::getConnectionTo(Address const &connectionSpec) {
  return findTransport(connectionSpec.getTransport())->connectTo(connectionSpec);
}

string Transport::bindServer(Server *server, string const &bindingSpec) {
  Address spec(bindingSpec);
  string boundName = findTransport(spec.getTransport())->registerServer(server, spec);
  if (!boundName.empty())
    server->bindName(Address(boundName));
  return boundName;
}

void Transport::bindServer(Server *server) {
  for (transportVec_t::iterator i = allTransports.begin();
       i != allTransports.end();
       i++) {
    Transport *t(*i);
    Address spec("mps:" + t->getName());
    if (server->getBoundName(t->getName()).empty()) {
      // Not bound to this one yet.
      string boundName = t->registerServer(server, spec);
      if (!boundName.empty())
        server->bindName(Address(boundName));
    }
  }
}

string Transport::unbindServer(Server *server, string const &bindingSpec) {
  Address spec(bindingSpec);
  string boundName = findTransport(spec.getTransport())->deregisterServer(server, spec);
  if (!boundName.empty())
    server->unbindName(spec.getTransport());
  return boundName;
}

void Transport::unbindServer(Server *server) {
  for (transportVec_t::iterator i = allTransports.begin();
       i != allTransports.end();
       i++) {
    Transport *t(*i);
    Address spec("mps:" + t->getName());
    if (!server->getBoundName(t->getName()).empty()) {
      // We're bound to this one.
      string boundName = t->deregisterServer(server, spec);
      if (!boundName.empty())
        server->unbindName(t->getName());
    }
  }
}

Transport::Transport(string const &_name)
  : name(_name)
{
  registerTransport(this);
}

Transport::~Transport()
{
}

string const &Transport::getName() const {
  return name;
}

}

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