summaryrefslogtreecommitdiffhomepage
path: root/src/routing.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/routing.go')
-rw-r--r--src/routing.go55
1 files changed, 51 insertions, 4 deletions
diff --git a/src/routing.go b/src/routing.go
index 99b180c..0aa111c 100644
--- a/src/routing.go
+++ b/src/routing.go
@@ -1,13 +1,12 @@
package main
import (
+ "errors"
+ "fmt"
+ "net"
"sync"
)
-/* Thread-safe high level functions for cryptkey routing.
- *
- */
-
type RoutingTable struct {
IPv4 *Trie
IPv6 *Trie
@@ -20,3 +19,51 @@ func (table *RoutingTable) RemovePeer(peer *Peer) {
table.IPv4 = table.IPv4.RemovePeer(peer)
table.IPv6 = table.IPv6.RemovePeer(peer)
}
+
+func (table *RoutingTable) Insert(ip net.IP, cidr uint, peer *Peer) {
+ table.mutex.Lock()
+ defer table.mutex.Unlock()
+
+ switch len(ip) {
+ case net.IPv6len:
+ table.IPv6 = table.IPv6.Insert(ip, cidr, peer)
+ case net.IPv4len:
+ table.IPv4 = table.IPv4.Insert(ip, cidr, peer)
+ default:
+ panic(errors.New("Inserting unknown address type"))
+ }
+}
+
+func (table *RoutingTable) LookupIPv4(address []byte) *Peer {
+ table.mutex.RLock()
+ defer table.mutex.RUnlock()
+ return table.IPv4.Lookup(address)
+}
+
+func (table *RoutingTable) LookupIPv6(address []byte) *Peer {
+ table.mutex.RLock()
+ defer table.mutex.RUnlock()
+ return table.IPv6.Lookup(address)
+}
+
+func OutgoingRoutingWorker(device *Device, queue chan []byte) {
+ for {
+ packet := <-queue
+ switch packet[0] >> 4 {
+
+ case IPv4version:
+ dst := packet[IPv4offsetDst : IPv4offsetDst+net.IPv4len]
+ peer := device.routingTable.LookupIPv4(dst)
+ fmt.Println("IPv4", peer)
+
+ case IPv6version:
+ dst := packet[IPv6offsetDst : IPv6offsetDst+net.IPv6len]
+ peer := device.routingTable.LookupIPv6(dst)
+ fmt.Println("IPv6", peer)
+
+ default:
+ // todo: log
+ fmt.Println("Unknown IP version")
+ }
+ }
+}