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fix race when applying stateless reset token from transport parameters

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This commit is contained in:
Marten Seemann
2023-08-05 20:48:15 -04:00
parent a92238b73c
commit 046a7a5cdb
1 changed files with 5 additions and 5 deletions
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8
conn_id_manager.go
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@@ -174,14 +174,14 @@ func (h *connIDManager) ChangeInitialConnID(newConnID protocol.ConnectionID) {
h.activeConnectionID = newConnID h.activeConnectionID = newConnID
} }
// is called when the server provides a stateless reset token in the transport parameters // SetStatelessResetToken is called when the server provides a stateless reset token in the transport parameters
func (h *connIDManager) SetStatelessResetToken(token protocol.StatelessResetToken) { func (h *connIDManager) SetStatelessResetToken(token protocol.StatelessResetToken) {
if h.activeSequenceNumber != 0 { // Only set the stateless reset token if we're still using the connection ID with sequence number 0.
panic("expected first connection ID to have sequence number 0") if h.activeSequenceNumber == 0 {
}
h.activeStatelessResetToken = &token h.activeStatelessResetToken = &token
h.addStatelessResetToken(token) h.addStatelessResetToken(token)
} }
}
func (h *connIDManager) SentPacket() { func (h *connIDManager) SentPacket() {
h.packetsSinceLastChange++ h.packetsSinceLastChange++