yggdrasil-network/yggdrasil-go
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Refactoring: move tuntap and icmpv6 into separate package

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This commit is contained in:
Neil Alexander 2019-03-28 00:30:25 +00:00
parent 67c670ab4c
commit 0b494a8255
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GPG key ID: A02A2019A2BB0944
20 changed files with 307 additions and 240 deletions
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25
src/yggdrasil/router.go
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@ -26,9 +26,6 @@ import (
"bytes"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv6"
"github.com/yggdrasil-network/yggdrasil-go/src/address"
"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
"github.com/yggdrasil-network/yggdrasil-go/src/util"
@ -44,8 +41,7 @@ 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
tun adapterImplementation // TUN/TAP adapter
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)
@ -112,11 +108,11 @@ func (r *router) init(core *Core) {
r.reset = make(chan struct{}, 1)
r.admin = make(chan func(), 32)
r.nodeinfo.init(r.core)
r.core.configMutex.RLock()
r.nodeinfo.setNodeInfo(r.core.config.NodeInfo, r.core.config.NodeInfoPrivacy)
r.core.configMutex.RUnlock()
r.core.config.Mutex.RLock()
r.nodeinfo.setNodeInfo(r.core.config.Current.NodeInfo, r.core.config.Current.NodeInfoPrivacy)
r.core.config.Mutex.RUnlock()
r.cryptokey.init(r.core)
r.tun.init(r.core, send, recv)
r.tun.Init(&r.core.config, r.core.log, send, recv)
}
// Starts the mainLoop goroutine.
@ -157,9 +153,8 @@ func (r *router) mainLoop() {
case f := <-r.admin:
f()
case e := <-r.reconfigure:
r.core.configMutex.RLock()
e <- r.nodeinfo.setNodeInfo(r.core.config.NodeInfo, r.core.config.NodeInfoPrivacy)
r.core.configMutex.RUnlock()
current, _ := r.core.config.Get()
e <- r.nodeinfo.setNodeInfo(current.NodeInfo, current.NodeInfoPrivacy)
}
}
}
@ -308,7 +303,7 @@ func (r *router) sendPacket(bs []byte) {
// Generate an ICMPv6 Packet Too Big for packets larger than session MTU
if len(bs) > int(sinfo.getMTU()) {
// Get the size of the oversized payload, up to a max of 900 bytes
window := 900
/*window := 900
if int(sinfo.getMTU()) < window {
window = int(sinfo.getMTU())
}
@ -320,12 +315,12 @@ func (r *router) sendPacket(bs []byte) {
}
// Create the ICMPv6 response from it
icmpv6Buf, err := r.tun.icmpv6.create_icmpv6_tun(
icmpv6Buf, err := CreateICMPv6(
bs[8:24], bs[24:40],
ipv6.ICMPTypePacketTooBig, 0, ptb)
if err == nil {
r.recv <- icmpv6Buf
}
}*/
// Don't continue - drop the packet
return