yggdrasil-network/yggdrasil-go
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Merge remote-tracking branch 'origin/develop' into metadata

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This commit is contained in:
Neil Alexander 2018-12-15 00:48:54 +00:00
commit cdd2e7910a
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14 changed files with 99 additions and 77 deletions
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27
src/yggdrasil/router.go
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@ -39,6 +39,8 @@ type router struct {
in <-chan []byte // packets we received from the network, link to peer's "out"
out func([]byte) // packets we're sending to the network, link to peer's "in"
toRecv chan router_recvPacket // packets to handle via recvPacket()
tun tunAdapter // TUN/TAP adapter
adapters []Adapter // Other adapters
recv chan<- []byte // place where the tun pulls received packets from
send <-chan []byte // place where the tun puts outgoing packets
reset chan struct{} // signal that coords changed (re-init sessions/dht)
@ -75,12 +77,10 @@ func (r *router) init(core *Core) {
send := make(chan []byte, 32)
r.recv = recv
r.send = send
r.core.tun.recv = recv
r.core.tun.send = send
r.reset = make(chan struct{}, 1)
r.admin = make(chan func(), 32)
r.cryptokey.init(r.core)
// go r.mainLoop()
r.tun.init(r.core, send, recv)
}
// Starts the mainLoop goroutine.
@ -267,25 +267,6 @@ func (r *router) sendPacket(bs []byte) {
// Drop packets if the session MTU is 0 - this means that one or other
// side probably has their TUN adapter disabled
if sinfo.getMTU() == 0 {
// Get the size of the oversized payload, up to a max of 900 bytes
window := 900
if len(bs) < window {
window = len(bs)
}
// Create the Destination Unreachable response
ptb := &icmp.DstUnreach{
Data: bs[:window],
}
// Create the ICMPv6 response from it
icmpv6Buf, err := r.core.tun.icmpv6.create_icmpv6_tun(
bs[8:24], bs[24:40],
ipv6.ICMPTypeDestinationUnreachable, 1, ptb)
if err == nil {
r.recv <- icmpv6Buf
}
// Don't continue - drop the packet
return
}
@ -304,7 +285,7 @@ func (r *router) sendPacket(bs []byte) {
}
// Create the ICMPv6 response from it
icmpv6Buf, err := r.core.tun.icmpv6.create_icmpv6_tun(
icmpv6Buf, err := r.tun.icmpv6.create_icmpv6_tun(
bs[8:24], bs[24:40],
ipv6.ICMPTypePacketTooBig, 0, ptb)
if err == nil {