text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  #include "proton/connection_options.hpp"
  #include "proton/listener.hpp"
  #include "proton/listen_handler.hpp"
  
  #include <proton/listener.h>
  #include <proton/netaddr.h>
  
  #include "contexts.hpp"
  
  #include <stdlib.h>
  
  namespace proton {
  
  listener::listener(): listener_(0) {}
  listener::listener(pn_listener_t* l): listener_(l) {}
  // Out-of-line big-3 with trivial implementations, in case we need them in future.
  listener::listener(const listener& l) : listener_(l.listener_) {}
  listener::~listener() = default;
  listener& listener::operator=(const listener& l) { listener_ = l.listener_; return *this; }
  
  void listener::stop() {
      if (listener_) {
          pn_listener_close(listener_);
          listener_ = 0;          // Further calls to stop() are no-op
      }
  }
  
  int listener::port() {
      if (!listener_) throw error("listener is closed");
      char port[16] = "";
      pn_netaddr_host_port(pn_listener_addr(listener_), NULL, 0, port, sizeof(port));
      int i = atoi(port);
      if (!i) throw error("listener has no port");
      return i;
  }
  
  class container& listener::container() const {
      if (!listener_) throw error("listener is closed");
      void *c = pn_listener_get_context(listener_);
      if (!c) throw proton::error("no container");
      return *reinterpret_cast<class container*>(c);
  }
  
  // Listen handler
  listen_handler::~listen_handler() = default;
  void listen_handler::on_open(listener&) {}
  connection_options listen_handler::on_accept(listener&) { return connection_options(); }
  void listen_handler::on_error(listener&, const std::string& what)  { throw proton::error(what); }
  void listen_handler::on_close(listener&) {}
  }
  