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package allocation
import (
"fmt"
"net"
)
// Protocol is an enum for relay protocol
type Protocol uint8
// Network protocols for relay
const (
UDP Protocol = iota
TCP
)
// FiveTuple is the combination (client IP address and port, server IP
// address and port, and transport protocol (currently one of UDP,
// TCP, or TLS)) used to communicate between the client and the
// server. The 5-tuple uniquely identifies this communication
// stream. The 5-tuple also uniquely identifies the Allocation on
// the server.
type FiveTuple struct {
Protocol
SrcAddr, DstAddr net.Addr
}
// Equal asserts if two FiveTuples are equal
func (f *FiveTuple) Equal(b *FiveTuple) bool {
return f.Fingerprint() == b.Fingerprint()
}
// Fingerprint is the identity of a FiveTuple
func (f *FiveTuple) Fingerprint() string {
return fmt.Sprintf("%d_%s_%s", f.Protocol, f.SrcAddr.String(), f.DstAddr.String())
}
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