66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package node
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import (
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"net/netip"
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"sync/atomic"
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"vppn/m"
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)
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var zeroAddrPort = netip.AddrPort{}
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const (
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bufferSize = 1536
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if_mtu = 1200
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if_queue_len = 2048
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controlCipherOverhead = 16
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dataCipherOverhead = 16
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)
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type peerRoute struct {
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IP byte
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Up bool // True if data can be sent on the route.
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Relay bool // True if the peer is a relay.
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ControlCipher *controlCipher
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DataCipher *dataCipher
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RemoteAddr netip.AddrPort // Remote address if directly connected.
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// TODO: Remove this and use global localAddr and relayIP.
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// Replace w/ a Direct boolean.
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LocalAddr netip.AddrPort // Local address as seen by the remote.
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RelayIP byte // Non-zero if we should relay.
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}
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var (
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// Configuration for this peer.
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netName string
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localIP byte
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localPub bool
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localAddr netip.AddrPort
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privateKey []byte
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// Shared interface for writing.
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_iface *ifWriter
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// Shared connection for writing.
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_conn *connWriter
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// Counters for sending to each peer.
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sendCounters [256]uint64
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// Duplicate checkers for incoming packets.
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dupChecks [256]*dupCheck
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// Channels for incoming control packets.
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controlPackets [256]chan controlPacket
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// Channels for incoming peer updates from the hub.
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peerUpdates [256]chan *m.Peer
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// Global routing table.
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routingTable [256]*atomic.Pointer[peerRoute]
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// TODO: use relay for local address discovery. This should be new stream ID,
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// managed by a single thread.
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// localAddr *atomic.Pointer[netip.AddrPort]
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// relayIP *atomic.Pointer[byte]
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)
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