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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _wayland_proxy_h_
#define _wayland_proxy_h_
#include <poll.h>
#include <vector>
#include <fcntl.h>
#include <atomic>
#include <memory>
class ProxiedConnection;
class WaylandProxy {
public:
static std::unique_ptr<WaylandProxy> Create();
// Launch an application with Wayland proxy set
bool RunChildApplication(char* argv[]);
// Run proxy as part of already running application
// and set Wayland proxy display for it.
bool RunThread();
// Set original Wayland display env variable and clear
// proxy display file.
void RestoreWaylandDisplay();
static void SetVerbose(bool aVerbose);
~WaylandProxy();
private:
bool Init();
void Run();
void SetWaylandProxyDisplay();
static void* RunProxyThread(WaylandProxy* aProxy);
bool SetupWaylandDisplays();
bool StartProxyServer();
bool IsChildAppTerminated();
bool PollConnections();
bool ProcessConnections();
void Info(const char* aFormat, ...);
void Warning(const char* aOperation, bool aPrintErrno = true);
void Error(const char* aOperation, bool aPrintErrno = true);
void ErrorPlain(const char* aFormat, ...);
private:
// List of all Compositor <-> Application connections
std::vector<std::unique_ptr<ProxiedConnection>> mConnections;
int mProxyServerSocket = -1;
pid_t mApplicationPID = 0;
std::atomic<bool> mThreadRunning = false;
pthread_t mThread;
// sockaddr_un has hardcoded max len of sun_path
static constexpr int sMaxDisplayNameLen = 108;
// Name of Wayland display provided by compositor
char mWaylandDisplay[sMaxDisplayNameLen];
// Name of Wayland display provided by us
char mWaylandProxy[sMaxDisplayNameLen];
};
#endif // _wayland_proxy_h_
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