c2f087225c
* eventloop: Use eventloop namespace in cpp files * changelog: Add missing deprecated hook message * Make eventloop and ipc classes non-copyable and non-movable * Remove functional.hpp * eventloop: Don't close handles in error cases Client should be responsible for closing handles. * eventloop: Address invalidation of handle references
100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
#pragma once
|
|
|
|
#include <uv.h>
|
|
|
|
#include <set>
|
|
|
|
#include "common.hpp"
|
|
#include "components/eventloop.hpp"
|
|
#include "ipc/decoder.hpp"
|
|
#include "settings.hpp"
|
|
#include "utils/concurrency.hpp"
|
|
|
|
POLYBAR_NS
|
|
|
|
class signal_emitter;
|
|
class logger;
|
|
|
|
namespace ipc {
|
|
/**
|
|
* 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 non_copyable_mixin, public non_movable_mixin {
|
|
public:
|
|
using make_type = unique_ptr<ipc>;
|
|
static make_type make(eventloop::loop& loop);
|
|
|
|
explicit ipc(signal_emitter& emitter, const logger& logger, eventloop::loop& loop);
|
|
~ipc();
|
|
|
|
static string get_socket_path(int pid);
|
|
|
|
protected:
|
|
bool trigger_ipc(v0::ipc_type type, const string& msg);
|
|
void trigger_legacy_ipc(const string& msg);
|
|
|
|
void on_connection();
|
|
|
|
private:
|
|
signal_emitter& m_sig;
|
|
const logger& m_log;
|
|
eventloop::loop& m_loop;
|
|
|
|
eventloop::PipeHandle& socket;
|
|
|
|
class connection : public non_copyable_mixin, public non_movable_mixin {
|
|
public:
|
|
using cb = std::function<void(connection&, uint8_t, type_t, const std::vector<uint8_t>&)>;
|
|
connection(eventloop::loop& loop, cb msg_callback);
|
|
~connection();
|
|
eventloop::PipeHandle& client_pipe;
|
|
decoder dec;
|
|
};
|
|
|
|
void remove_client(connection& conn);
|
|
|
|
/**
|
|
* Custom transparent comparator so that we can lookup and erase connections from their reference.
|
|
*/
|
|
struct connection_cmp {
|
|
using is_transparent = std::true_type;
|
|
bool operator()(const unique_ptr<connection>& a, const unique_ptr<connection>& b) const {
|
|
return a.get() < b.get();
|
|
}
|
|
|
|
bool operator()(const connection& a, const unique_ptr<connection>& b) const {
|
|
return &a < b.get();
|
|
}
|
|
|
|
bool operator()(const unique_ptr<connection>& a, const connection& b) const {
|
|
return a.get() < &b;
|
|
}
|
|
};
|
|
|
|
std::set<unique_ptr<connection>, connection_cmp> connections;
|
|
|
|
// Named pipe properties (deprecated)
|
|
struct fifo {
|
|
fifo(eventloop::loop& loop, ipc& ipc, const string& path);
|
|
~fifo();
|
|
eventloop::PipeHandle& pipe_handle;
|
|
};
|
|
|
|
unique_ptr<fifo> ipc_pipe;
|
|
|
|
string m_pipe_path{};
|
|
/**
|
|
* Buffer for the currently received IPC message over the named pipe
|
|
*/
|
|
string m_pipe_buffer{};
|
|
void receive_data(string buf);
|
|
void receive_eof();
|
|
};
|
|
} // namespace ipc
|
|
|
|
POLYBAR_NS_END
|