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https://github.com/feschber/lan-mouse.git
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3b7570c062
Adds a one-shot Hello message to the lan-mouse wire protocol so each
peer can display the other end's build commit hash and warn on
version mismatch. Soft-warn only — mismatched versions never refuse
traffic.
Wire change (lan-mouse-proto)
* `ProtoEvent::Hello { commit: [u8; 8] }` carries the 8-byte ASCII
short commit from shadow_rs's `SHORT_COMMIT`. Encoded/decoded
alongside the existing event variants.
* `EventType::Hello` is appended to the enum so existing IDs are
untouched. Old peers receive the event, hit `InvalidEventId`, and
silently skip it via the forward-compat handler in
`connect.rs::receive_loop` — the connection is unaffected.
Daemon
* Connect side sends one Hello immediately after the DTLS handshake
authenticates and before the ping_pong loop starts. Best-effort,
fire-and-forget — `log::debug!` on send error.
* Listen side mirrors the peer's Hello with its own (same shape as
the existing Ping → Pong reply), so the peer's connect-side
receive_loop populates `ClientState::peer_commit` for that
handle.
* The disconnect path clears `peer_commit` so a stale hash isn't
shown after the connection drops.
IPC
* `ClientState::peer_commit: Option<[u8; 8]>`. `None` means the
peer hasn't sent Hello yet — either fresh connection or older
build that predates the event.
GTK
* `ClientObject` exposes `peer-commit` as an `Option<String>`
property; `peer_commit_to_string` converts the wire `[u8; 8]` to
the displayable hex.
* `lan_mouse_gtk::run` now takes the local commit and stashes it in
a `OnceLock` so per-row UI can compare against each peer's hash.
* `ClientRow::refresh_version_status` re-renders the collapsed
subtitle with Pango markup whenever the property changes:
- matched → green "peer version: <hex> · matched"
- mismatch → orange "peer version: <hex> · ours: <hex>"
- unknown → orange "peer version: unknown · ours: <hex>"
* Window invokes `refresh_version_status` from
`update_client_state` after writing the new property, and
`bind` calls it once on row construction so the initial
subtitle isn't blank.
Known limitation: state-change broadcasts from the network side
(set_alive / set_active_addr / set_peer_commit) don't currently
trigger a `FrontendEvent::State` directly; the UI picks up the
latest values on the next user-driven broadcast. Same pre-existing
behavior as the alive/active_addr fields.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
34 lines
1.2 KiB
Rust
34 lines
1.2 KiB
Rust
use std::cell::RefCell;
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use glib::Properties;
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use gtk::glib;
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use gtk::prelude::*;
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use gtk::subclass::prelude::*;
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use lan_mouse_ipc::ClientHandle;
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use super::ClientData;
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#[derive(Properties, Default)]
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#[properties(wrapper_type = super::ClientObject)]
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pub struct ClientObject {
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#[property(name = "handle", get, set, type = ClientHandle, member = handle)]
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#[property(name = "hostname", get, set, type = Option<String>, member = hostname)]
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#[property(name = "port", get, set, type = u32, member = port, maximum = u16::MAX as u32)]
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#[property(name = "active", get, set, type = bool, member = active)]
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#[property(name = "position", get, set, type = String, member = position)]
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#[property(name = "resolving", get, set, type = bool, member = resolving)]
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#[property(name = "ips", get, set, type = Vec<String>, member = ips)]
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#[property(name = "peer-commit", get, set, type = Option<String>, member = peer_commit)]
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pub data: RefCell<ClientData>,
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}
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#[glib::object_subclass]
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impl ObjectSubclass for ClientObject {
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const NAME: &'static str = "ClientObject";
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type Type = super::ClientObject;
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}
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#[glib::derived_properties]
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impl ObjectImpl for ClientObject {}
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