src/type3_AndroidCloud/anbox-master/src/anbox/rpc/connection_creator.cpp

   1 /*
   2  * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
   3  *
   4  * This program is free software: you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License version 3, as published
   6  * by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranties of
  10  * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
  11  * PURPOSE.  See the GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 #include "anbox/rpc/connection_creator.h"
  19 #include "anbox/logger.h"
  20 #include "anbox/network/local_socket_messenger.h"
  21 #include "anbox/rpc/message_processor.h"
  22
  23 #include <string>
  24
  25 namespace ba = boost::asio;
  26
  27 namespace anbox {
  28 namespace rpc {
  29 ConnectionCreator::ConnectionCreator(const std::shared_ptr<Runtime>& rt,
  30                                      const MessageProcessorFactory& factory)
  31     : runtime_(rt),
  32       next_connection_id_(0),
  33       connections_(
  34           std::make_shared<network::Connections<network::SocketConnection>>()),
  35       message_processor_factory_(factory) {}
  36
  37 ConnectionCreator::~ConnectionCreator() noexcept {}
  38
  39 void ConnectionCreator::create_connection_for(
  40     std::shared_ptr<boost::asio::local::stream_protocol::socket> const&
  41         socket) {
  42   if (connections_->size() >= 1) {
  43     socket->close();
  44     WARNING(
  45         "A second client tried to connect. Denied request as we already have "
  46         "one and only allow a single client");
  47     return;
  48   }
  49
  50   auto const messenger =
  51       std::make_shared<network::LocalSocketMessenger>(socket);
  52   auto const processor = message_processor_factory_(messenger);
  53
  54   auto const& connection = std::make_shared<network::SocketConnection>(
  55       messenger, messenger, next_id(), connections_, processor);
  56   connection->set_name("rpc");
  57   connections_->add(connection);
  58   connection->read_next_message();
  59 }
  60
  61 int ConnectionCreator::next_id() { return next_connection_id_.fetch_add(1); }
  62
  63 }  // namespace rpc
  64 }  // namespace anbox