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feat(remoteingress): add heartbeat PING/PONG and liveness timeouts; implement fast-reconnect/backoff reset and JS crash-recovery auto-restart

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Jürgen Kunz
2026-03-03 11:47:50 +00:00
parent d6a07c28a0
commit 45a2811f3e
7 changed files with 241 additions and 5 deletions
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19
rust/crates/remoteingress-protocol/src/lib.rs
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@@ -7,6 +7,8 @@ pub const FRAME_CLOSE: u8 = 0x03;
pub const FRAME_DATA_BACK: u8 = 0x04;
pub const FRAME_CLOSE_BACK: u8 = 0x05;
pub const FRAME_CONFIG: u8 = 0x06; // Hub -> Edge: configuration update
pub const FRAME_PING: u8 = 0x07; // Hub -> Edge: heartbeat probe
pub const FRAME_PONG: u8 = 0x08; // Edge -> Hub: heartbeat response
// Frame header size: 4 (stream_id) + 1 (type) + 4 (length) = 9 bytes
pub const FRAME_HEADER_SIZE: usize = 9;
@@ -261,6 +263,8 @@ mod tests {
FRAME_DATA_BACK,
FRAME_CLOSE_BACK,
FRAME_CONFIG,
FRAME_PING,
FRAME_PONG,
];
let mut data = Vec::new();
@@ -293,4 +297,19 @@ mod tests {
assert_eq!(frame.frame_type, FRAME_CLOSE);
assert!(frame.payload.is_empty());
}
#[test]
fn test_encode_frame_ping_pong() {
// PING: stream_id=0, empty payload (control frame)
let ping = encode_frame(0, FRAME_PING, &[]);
assert_eq!(ping[4], FRAME_PING);
assert_eq!(&ping[0..4], &0u32.to_be_bytes());
assert_eq!(ping.len(), FRAME_HEADER_SIZE);
// PONG: stream_id=0, empty payload (control frame)
let pong = encode_frame(0, FRAME_PONG, &[]);
assert_eq!(pong[4], FRAME_PONG);
assert_eq!(&pong[0..4], &0u32.to_be_bytes());
assert_eq!(pong.len(), FRAME_HEADER_SIZE);
}
}