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58 lines
1.2 KiB
58 lines
1.2 KiB
#pragma once
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#include <string>
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#include <vector>
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#define CEREAL_EVENTS_PREFIX std::string("cereal_events")
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void event_state_shm_mmap(std::string endpoint, std::string identifier, char **shm_mem, std::string *shm_path);
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enum EventPurpose {
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RECV_CALLED,
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RECV_READY
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};
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struct EventState {
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int fds[2];
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bool enabled;
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};
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class Event {
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private:
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int event_fd = -1;
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inline void throw_if_invalid() const {
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if (!this->is_valid()) {
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throw std::runtime_error("Event does not have valid file descriptor.");
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}
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}
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public:
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Event(int fd = -1);
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void set() const;
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int clear() const;
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void wait(int timeout_sec = -1) const;
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bool peek() const;
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bool is_valid() const;
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int fd() const;
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static int wait_for_one(const std::vector<Event>& events, int timeout_sec = -1);
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};
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class SocketEventHandle {
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private:
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std::string shm_path;
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EventState* state;
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public:
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SocketEventHandle(std::string endpoint, std::string identifier = "", bool override = true);
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~SocketEventHandle();
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bool is_enabled();
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void set_enabled(bool enabled);
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Event recv_called();
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Event recv_ready();
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static void toggle_fake_events(bool enabled);
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static void set_fake_prefix(std::string prefix);
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static std::string fake_prefix();
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};
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