sunnypilot v2026.002.000

version: sunnypilot v2026.002.000 (staging)
date: 2026-07-21T07:44:02
master commit: 2c334ede443d7391d27575af8c854a095ba702a8

msgq_repo/msgq/event.h

@@ -0,0 +1,64 @@
+#pragma once
+
+#include <cstddef>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+#define CEREAL_EVENTS_PREFIX std::string("cereal_events")
+
+constexpr size_t EVENT_PATH_MAX = 128;
+
+void event_state_shm_mmap(std::string endpoint, std::string identifier, char **shm_mem, std::string *shm_name);
+
+enum EventPurpose {
+  RECV_CALLED,
+  RECV_READY
+};
+
+struct EventState {
+  char paths[2][EVENT_PATH_MAX];
+  bool enabled;
+};
+
+class Event {
+private:
+  int event_fd = -1;
+
+  inline void throw_if_invalid() const {
+    if (!this->is_valid()) {
+      throw std::runtime_error("Event does not have valid file descriptor.");
+    }
+  }
+public:
+  Event(int fd = -1);
+
+  void set() const;
+  int clear() const;
+  void wait(int timeout_sec = -1) const;
+  bool peek() const;
+  bool is_valid() const;
+  int fd() const;
+
+  static int wait_for_one(const std::vector<Event>& events, int timeout_sec = -1);
+};
+
+class SocketEventHandle {
+private:
+  std::string shm_name;
+  EventState* state = nullptr;
+  bool owns_fifos = false;
+  int fds[2] = {-1, -1};
+public:
+  SocketEventHandle(std::string endpoint, std::string identifier = "", bool override = true);
+  ~SocketEventHandle();
+
+  bool is_enabled();
+  void set_enabled(bool enabled);
+  Event recv_called();
+  Event recv_ready();
+
+  static void toggle_fake_events(bool enabled);
+  static void set_fake_prefix(std::string prefix);
+  static std::string fake_prefix();
+};