Scale Stack 0.3 Developer Documentation

scalestack/network/local/stream/connection_service.cc

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/*
 * Scale Stack
 *
 * Copyright 2010 Eric Day
 *
 * 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.
 */

#include "config.h"

#include <exception>
#include <memory>

#include <scalestack/kernel/module.h>
#include <scalestack/kernel/option.h>
#include <scalestack/network/local/stream/connection.h>
#include <scalestack/network/local/stream/connection_service.h>

using namespace std;

namespace scalestack
{
namespace network
{
namespace local
{
namespace stream
{

/*
 * Public methods.
 */

void connection_service::options(kernel::module& module, const char* addresses)
{
  module.add_option("addresses", _("List of local sockets to connect to."),
                    "SOCKET[,SOCKET]...", addresses);
}

connection_service::connection_service(kernel::module& module,
  std::auto_ptr<stream_service> stream_service):
  stream_service_provider(module, stream_service)
{
}

connection_service::~connection_service()
{
  _handler_service.stop();
}

void connection_service::add_accepted(int file_descriptor,
                                      struct sockaddr&,
                                      socklen_t)
{
  _module.log_notice("Accepted local stream connection");

  auto_ptr<connection> new_connection(
    new connection(_handler_service, *_stream_service, file_descriptor));
  new_connection->start();
  new_connection.release();
}

void connection_service::add_connections(void)
{
  add_connections(_module.get_option("addresses").get_value());
}

void connection_service::add_connections(const std::string& addresses)
{
  string::size_type current = 0;

  do
  {
    string::size_type next = addresses.find_first_of(",", current);
    string address = addresses.substr(current, next - current);

    auto_ptr<connection> new_connection(
      new connection(_handler_service, *_stream_service, address));
    new_connection->start();
    new_connection.release();

    current = addresses.find_first_not_of(",", next);
  }
  while (current != string::npos);
}

} /* namespace stream */
} /* namespace local */
} /* namespace network */
} /* namespace scalestack */

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