67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package node
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import (
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"net/netip"
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"vppn/m"
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)
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// ----------------------------------------------------------------------------
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type controlMsg[T any] struct {
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SrcIP byte
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SrcAddr netip.AddrPort
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Packet T
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}
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func parseControlMsg(srcIP byte, srcAddr netip.AddrPort, buf []byte) (any, error) {
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switch buf[0] {
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case packetTypeSyn:
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packet, err := parseSynPacket(buf)
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return controlMsg[synPacket]{
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SrcIP: srcIP,
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SrcAddr: srcAddr,
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Packet: packet,
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}, err
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case packetTypeSynAck:
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packet, err := parseSynAckPacket(buf)
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return controlMsg[synAckPacket]{
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SrcIP: srcIP,
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SrcAddr: srcAddr,
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Packet: packet,
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}, err
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case packetTypeProbe:
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packet, err := parseProbePacket(buf)
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return controlMsg[probePacket]{
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SrcIP: srcIP,
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SrcAddr: srcAddr,
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Packet: packet,
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}, err
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case packetTypeAddrDiscovery:
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packet, err := parseAddrDiscoveryPacket(buf)
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return controlMsg[addrDiscoveryPacket]{
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SrcIP: srcIP,
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SrcAddr: srcAddr,
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Packet: packet,
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}, err
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default:
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return nil, errUnknownPacketType
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}
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}
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// ----------------------------------------------------------------------------
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type peerUpdateMsg struct {
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Peer *m.Peer
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}
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// ----------------------------------------------------------------------------
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type pingTimerMsg struct{}
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// ----------------------------------------------------------------------------
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