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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <LibIPC/Connection.h>
namespace IPC {
template<typename ClientEndpoint, typename ServerEndpoint>
class ServerConnection : public IPC::Connection<ClientEndpoint, ServerEndpoint> {
public:
ServerConnection(ClientEndpoint& local_endpoint, const StringView& address)
: Connection<ClientEndpoint, ServerEndpoint>(local_endpoint, Core::LocalSocket::construct())
{
// We want to rate-limit our clients
this->socket().set_blocking(true);
if (!this->socket().connect(Core::SocketAddress::local(address))) {
perror("connect");
ASSERT_NOT_REACHED();
}
ASSERT(this->socket().is_connected());
this->initialize_peer_info();
}
virtual void handshake() = 0;
pid_t server_pid() const { return this->peer_pid(); }
void set_server_pid(pid_t pid) { this->set_peer_pid(pid); }
void set_my_client_id(int id) { m_my_client_id = id; }
int my_client_id() const { return m_my_client_id; }
virtual void die() override
{
// Override this function if you don't want your app to exit if it loses the connection.
exit(0);
}
private:
int m_my_client_id { -1 };
};
}
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