yggdrasil-network/yggdrasil-go
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Use coords for queue stream IDs in the switch, and append protocol/port information to coords when sending, to designate different streams

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This commit is contained in:
Arceliar 2018-07-21 18:59:29 -05:00
parent 388683e3f2
commit 9cbcaf39ac
2 changed files with 30 additions and 18 deletions
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23
src/yggdrasil/switch.go
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@ -529,24 +529,13 @@ func switch_getPacketCoords(packet []byte) []byte {
}
// Returns a unique string for each stream of traffic
// Equal to type+coords+handle for traffic packets
// Equal to type+coords+toKey+fromKey for protocol traffic packets
// Equal to coords
// The sender may append arbitrary info to the end of coords (as long as it's begins with a 0x00) to designate separate traffic streams
// Currently, it's the IPv6 next header type and the first 2 uint16 of the next header
// This is equivalent to the TCP/UDP protocol numbers and the source / dest ports
// TODO figure out if something else would make more sense (other transport protocols?)
func switch_getPacketStreamID(packet []byte) string {
pType, pTypeLen := wire_decode_uint64(packet)
_, coordLen := wire_decode_coords(packet[pTypeLen:])
end := pTypeLen + coordLen
switch {
case pType == wire_Traffic:
end += handleLen // handle
case pType == wire_ProtocolTraffic:
end += 2 * boxPubKeyLen
default:
end = 0
}
if end > len(packet) {
end = len(packet)
}
return string(packet[:end])
return string(switch_getPacketCoords(packet))
}
// Handle an incoming packet