ladybird/Userland/Libraries/LibIPC/ConnectionFromClient.h
Jelle Raaijmakers a39c38840e LibIPC: Make noise when shutting down because of an error
Previously, an IPC connection error could shut down the entire process
without giving a hint as to what's wrong. Now, we report that error to
the debug console.
2022-06-10 16:35:05 +01:00

73 lines
2.1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibIPC/Connection.h>
#include <LibIPC/Stub.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 ConnectionFromClient : public Connection<ServerEndpoint, ClientEndpoint>
, public ServerEndpoint::Stub
, public ClientEndpoint::template Proxy<ServerEndpoint> {
public:
using ServerStub = typename ServerEndpoint::Stub;
using IPCProxy = typename ClientEndpoint::template Proxy<ServerEndpoint>;
ConnectionFromClient(ServerStub& stub, NonnullOwnPtr<Core::Stream::LocalSocket> socket, int client_id)
: IPC::Connection<ServerEndpoint, ClientEndpoint>(stub, move(socket))
, ClientEndpoint::template Proxy<ServerEndpoint>(*this, {})
, m_client_id(client_id)
{
VERIFY(this->socket().is_open());
this->socket().on_ready_to_read = [this] {
// FIXME: Do something about errors.
(void)this->drain_messages_from_peer();
};
}
virtual ~ConnectionFromClient() override = default;
void did_misbehave()
{
dbgln("{} (id={}) misbehaved, disconnecting.", *this, m_client_id);
this->shutdown();
}
void did_misbehave(char const* message)
{
dbgln("{} (id={}) misbehaved ({}), disconnecting.", *this, m_client_id, message);
this->shutdown();
}
virtual void shutdown_with_error(Error const& error) override
{
dbgln("{} (id={}) had an error ({}), disconnecting.", *this, m_client_id, error);
this->shutdown();
}
int client_id() const { return m_client_id; }
virtual void die() override = 0;
private:
int m_client_id { -1 };
};
}
template<typename ClientEndpoint, typename ServerEndpoint>
struct AK::Formatter<IPC::ConnectionFromClient<ClientEndpoint, ServerEndpoint>> : Formatter<Core::Object> {
};