Refactoring: move tuntap and icmpv6 into separate package

src/yggdrasil/adapter.go

@@ -1,18 +1,36 @@
 package yggdrasil
 
+import (
+	"github.com/gologme/log"
+	"github.com/yggdrasil-network/yggdrasil-go/src/address"
+	"github.com/yggdrasil-network/yggdrasil-go/src/config"
+)
+
 // Defines the minimum required struct members for an adapter type (this is
-// now the base type for tunAdapter in tun.go)
+// now the base type for TunAdapter in tun.go)
 type Adapter struct {
-	core        *Core
-	send        chan<- []byte
-	recv        <-chan []byte
-	reconfigure chan chan error
+	adapterImplementation
+	Core        *Core
+	Send        chan<- []byte
+	Recv        <-chan []byte
+	Reconfigure chan chan error
+}
+
+// Defines the minimum required functions for an adapter type
+type adapterImplementation interface {
+	Init(*config.NodeState, *log.Logger, chan<- []byte, <-chan []byte)
+	Name() string
+	MTU() int
+	IsTAP() bool
+	Start(address.Address, address.Subnet) error
+	Read() error
+	Write() error
+	Close() error
 }
 
 // Initialises the adapter.
-func (adapter *Adapter) init(core *Core, send chan<- []byte, recv <-chan []byte) {
-	adapter.core = core
-	adapter.send = send
-	adapter.recv = recv
-	adapter.reconfigure = make(chan chan error, 1)
+func (adapter Adapter) Init(config *config.NodeState, log *log.Logger, send chan<- []byte, recv <-chan []byte) {
+	adapter.Send = send
+	adapter.Recv = recv
+	adapter.Reconfigure = make(chan chan error, 1)
 }