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send keep alive PINGs at least every 20 seconds

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This commit is contained in:
Marten Seemann 2019-11-10 11:06:38 +07:00
parent a50b174703
commit bd94f21ab0
3 changed files with 49 additions and 31 deletions
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4
internal/protocol/params.go
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@ -99,6 +99,10 @@ const DefaultIdleTimeout = 30 * time.Second
// DefaultHandshakeTimeout is the default timeout for a connection until the crypto handshake succeeds.
const DefaultHandshakeTimeout = 10 * time.Second
// MaxKeepAliveInterval is the maximum time until we send a packet to keep a connection alive.
// It should be shorter than the time that NATs clear their mapping.
const MaxKeepAliveInterval = 20 * time.Second
// RetiredConnectionIDDeleteTimeout is the time we keep closed sessions around in order to retransmit the CONNECTION_CLOSE.
// after this time all information about the old connection will be deleted
const RetiredConnectionIDDeleteTimeout = 5 * time.Second