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- #pragma once
- #include <cstdint>
- namespace sunrise::client::hooks::membership_probe {
- /**
- * Attaches the read-only probe on the client's activity msg 12 handler.
- * It answers one question: does a membership body we push on a public-target link reach the
- * client at all, and what identity does that link's ActivityClient hold. Nothing is changed --
- * the detour logs and calls through.
- * @return True when the probe is attached, or was already.
- */
- [[nodiscard]] bool install() noexcept;
- /**
- * Samples every ActivityClient the probe has seen recently.
- * The container bind happens on a later tick than the message, so the message handler is too
- * early to see its effect. Sampling stops a bounded time after the last message on a client, so
- * a torn-down activity is not read through a stale pointer.
- * @param now Monotonic tick count in milliseconds.
- */
- void service(std::uint64_t now) noexcept;
- /** Detaches the probe so a later unload cannot leave a detour into unmapped code. */
- [[nodiscard]] bool uninstall() noexcept;
- } // namespace sunrise::client::hooks::membership_probe
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