kakoune/src/remote.hh
Maxime Coste db9ef82398 Rework session directory logic
Do not use a shared kakoune/ directory for all users to avoid the
complexity of having to set the sticky bit on that dir, resolve the
session directoy only once by using a static variable and an
immediately evaluated lambda.

This fixes an annoyance whenver using `su` and having Kakoune refuse
to start due to XDG_RUNTIME_DIR still being set.
2021-05-01 15:29:50 +10:00

79 lines
2.0 KiB
C++

#ifndef remote_hh_INCLUDED
#define remote_hh_INCLUDED
#include "env_vars.hh"
#include "exception.hh"
#include "utils.hh"
#include "vector.hh"
#include "optional.hh"
#include <memory>
namespace Kakoune
{
struct disconnected : runtime_error
{
using runtime_error::runtime_error;
};
class FDWatcher;
class UserInterface;
template<typename T> struct Optional;
struct BufferCoord;
using RemoteBuffer = Vector<char, MemoryDomain::Remote>;
// A remote client handle communication between a client running on the server
// and a user interface running on the local process.
class RemoteClient
{
public:
RemoteClient(StringView session, StringView name, std::unique_ptr<UserInterface>&& ui,
int pid, const EnvVarMap& env_vars, StringView init_command,
Optional<BufferCoord> init_coord, Optional<int> stdin_fd);
bool is_ui_ok() const;
const Optional<int>& exit_status() const { return m_exit_status; }
private:
std::unique_ptr<UserInterface> m_ui;
std::unique_ptr<FDWatcher> m_socket_watcher;
RemoteBuffer m_send_buffer;
Optional<int> m_exit_status;
};
void send_command(StringView session, StringView command);
String get_user_name();
const String& session_directory();
String session_path(StringView session);
struct Server : public Singleton<Server>
{
Server(String session_name, bool daemon);
~Server();
const String& session() const { return m_session; }
bool rename_session(StringView name);
void close_session(bool do_unlink = true);
bool negotiating() const { return not m_accepters.empty(); }
bool is_daemon() const { return m_is_daemon; }
private:
class Accepter;
void remove_accepter(Accepter* accepter);
String m_session;
bool m_is_daemon;
std::unique_ptr<FDWatcher> m_listener;
Vector<std::unique_ptr<Accepter>, MemoryDomain::Remote> m_accepters;
};
bool check_session(StringView session);
}
#endif // remote_hh_INCLUDED