ladybird/Libraries/LibIPC/ClientConnection.h
Andreas Kling 8d574c7363 LibIPC: Remove unused DisconnectedEvent mechanism
This was previously used to defer handling disconnections until the
next event loop iteration. We now achieve the same with simple use
of deferred_invoke(). :^)
2020-09-12 14:49:29 +02:00

78 lines
2.8 KiB
C++

/*
* 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 T, class... Args>
NonnullRefPtr<T> new_client_connection(Args&&... args)
{
return T::construct(forward<Args>(args)...) /* arghs */;
}
template<typename ClientEndpoint, typename ServerEndpoint>
class ClientConnection : public Connection<ServerEndpoint, ClientEndpoint> {
public:
ClientConnection(ServerEndpoint& endpoint, NonnullRefPtr<Core::LocalSocket> socket, int client_id)
: IPC::Connection<ServerEndpoint, ClientEndpoint>(endpoint, move(socket))
, m_client_id(client_id)
{
ASSERT(this->socket().is_connected());
this->socket().on_ready_to_read = [this] { this->drain_messages_from_peer(); };
this->initialize_peer_info();
}
virtual ~ClientConnection() override
{
}
void did_misbehave()
{
dbg() << *this << " (id=" << m_client_id << ", pid=" << client_pid() << ") misbehaved, disconnecting.";
this->shutdown();
}
void did_misbehave(const char* message)
{
dbg() << *this << " (id=" << m_client_id << ", pid=" << client_pid() << ") misbehaved (" << message << "), disconnecting.";
this->shutdown();
}
int client_id() const { return m_client_id; }
pid_t client_pid() const { return this->peer_pid(); }
void set_client_pid(pid_t pid) { this->set_peer_pid(pid); }
virtual void die() = 0;
private:
int m_client_id { -1 };
};
}