Andrew Beresford
cf70a0cbe1
Exposes TCP keepalive configuration via listener and dialer metadata: keepalive: true keepalive.idle: 30s keepalive.interval: 10s keepalive.count: 6 When enabled, the OS sends keepalive probes after the idle period and tears down the socket if the remote does not respond. This causes any blocked Read() on a dead connection to return promptly, releasing goroutines and memory — covering both legs of a CONNECT tunnel (the inbound client connection via the listener, and the outbound upstream connection via the dialer). This is the correct alternative to a hard application-level read deadline (SetReadDeadline) for detecting dead connections, as it distinguishes truly dead connections from legitimately idle ones. Relates to: https://github.com/go-gost/x/issues/91