polybar-dwm/include/components/ipc.hpp

55 lines
1.0 KiB
C++

#pragma once
#include <uv.h>
#include "common.hpp"
#include "settings.hpp"
#include "utils/concurrency.hpp"
POLYBAR_NS
class file_descriptor;
class logger;
class signal_emitter;
/**
* Message types
*/
static constexpr const char* ipc_command_prefix{"cmd:"};
static constexpr const char* ipc_hook_prefix{"hook:"};
static constexpr const char* ipc_action_prefix{"action:"};
/**
* Component used for inter-process communication.
*
* A unique messaging channel will be setup for each
* running process which will allow messages and
* events to be sent to the process externally.
*/
class ipc {
public:
using make_type = unique_ptr<ipc>;
static make_type make();
explicit ipc(signal_emitter& emitter, const logger& logger);
~ipc();
void receive_data(string buf);
void receive_eof();
int get_file_descriptor() const;
private:
signal_emitter& m_sig;
const logger& m_log;
string m_path{};
int m_fd;
/**
* Buffer for the currently received IPC message.
*/
string m_buffer{};
};
POLYBAR_NS_END