Try to convert TUN/TAP to use new yggdrasil.Conn, search masks are still broken

src/yggdrasil/dialer.go

@@ -0,0 +1,70 @@
+package yggdrasil
+
+import (
+	"encoding/hex"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"sync"
+
+	"github.com/yggdrasil-network/yggdrasil-go/src/crypto"
+)
+
+// Dialer represents an Yggdrasil connection dialer.
+type Dialer struct {
+	core *Core
+}
+
+// Dial opens a session to the given node. The first paramter should be "nodeid"
+// and the second parameter should contain a hexadecimal representation of the
+// target node ID.
+func (d *Dialer) Dial(network, address string) (Conn, error) {
+	conn := Conn{
+		mutex: &sync.RWMutex{},
+	}
+	nodeID := crypto.NodeID{}
+	nodeMask := crypto.NodeID{}
+	// Process
+	switch network {
+	case "nodeid":
+		// A node ID was provided - we don't need to do anything special with it
+		if tokens := strings.Split(address, "/"); len(tokens) == 2 {
+			len, err := strconv.Atoi(tokens[1])
+			if err != nil {
+				return Conn{}, err
+			}
+			dest, err := hex.DecodeString(tokens[0])
+			if err != nil {
+				return Conn{}, err
+			}
+			copy(nodeID[:], dest)
+			for idx := 0; idx < len; idx++ {
+				nodeMask[idx/8] |= 0x80 >> byte(idx%8)
+			}
+			fmt.Println(nodeID)
+			fmt.Println(nodeMask)
+		} else {
+			dest, err := hex.DecodeString(tokens[0])
+			if err != nil {
+				return Conn{}, err
+			}
+			copy(nodeID[:], dest)
+			for i := range nodeMask {
+				nodeMask[i] = 0xFF
+			}
+		}
+	default:
+		// An unexpected address type was given, so give up
+		return Conn{}, errors.New("unexpected address type")
+	}
+	conn.core = d.core
+	conn.nodeID = &nodeID
+	conn.nodeMask = &nodeMask
+	conn.core.router.doAdmin(func() {
+		conn.startSearch()
+	})
+	conn.mutex.Lock()
+	defer conn.mutex.Unlock()
+	return conn, nil
+}