add Listen to api and listenURL to tcp

src/core/api.go

@@ -103,17 +103,21 @@ func (c *Core) GetSessions() []Session {
 	return sessions
 }
 
+func (c *Core) Listen(u *url.URL, sintf string) (*TcpListener, error) {
+	return c.links.tcp.listenURL(u, sintf)
+}
+
 // ListenTCP starts a new TCP listener. The input URI should match that of the
 // "Listen" configuration item, e.g.
 // 		tcp://a.b.c.d:e
-func (c *Core) ListenTCP(uri string, metric uint8) (*TcpListener, error) {
+func (c *Core) xListenTCP(uri string, metric uint8) (*TcpListener, error) {
 	return c.links.tcp.listen(uri, nil, metric)
 }
 
 // ListenTLS starts a new TLS listener. The input URI should match that of the
 // "Listen" configuration item, e.g.
 // 		tls://a.b.c.d:e
-func (c *Core) ListenTLS(uri string, metric uint8) (*TcpListener, error) {
+func (c *Core) xListenTLS(uri string, metric uint8) (*TcpListener, error) {
 	return c.links.tcp.listen(uri, c.links.tcp.tls.forListener, metric)
 }
 
@@ -226,10 +230,6 @@ func (c *Core) RemovePeer(addr string, sintf string) error {
 //		socks://a.b.c.d:e/f.g.h.i:j
 // This does not add the peer to the peer list, so if the connection drops, the
 // peer will not be called again automatically.
-func (c *Core) CallPeer(addr string, sintf string) error {
-	u, err := url.Parse(addr)
-	if err != nil {
-		return err
-	}
+func (c *Core) CallPeer(u *url.URL, sintf string) error {
 	return c.links.call(u, sintf)
 }

src/core/core.go

@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"io/ioutil"
+	"net/url"
 	"time"
 
 	iw "github.com/Arceliar/ironwood/encrypted"
@@ -69,7 +70,11 @@ func (c *Core) _addPeerLoop() {
 	// Add peers from the Peers section
 	for _, peer := range current.Peers {
 		go func(peer string, intf string) {
-			if err := c.CallPeer(peer, intf); err != nil {
+			u, err := url.Parse(peer)
+			if err != nil {
+				c.log.Errorln("Failed to parse peer url:", peer, err)
+			}
+			if err := c.CallPeer(u, intf); err != nil {
 				c.log.Errorln("Failed to add peer:", err)
 			}
 		}(peer, "") // TODO: this should be acted and not in a goroutine?
@@ -79,7 +84,11 @@ func (c *Core) _addPeerLoop() {
 	for intf, intfpeers := range current.InterfacePeers {
 		for _, peer := range intfpeers {
 			go func(peer string, intf string) {
-				if err := c.CallPeer(peer, intf); err != nil {
+				u, err := url.Parse(peer)
+				if err != nil {
+					c.log.Errorln("Failed to parse peer url:", peer, err)
+				}
+				if err := c.CallPeer(u, intf); err != nil {
 					c.log.Errorln("Failed to add peer:", err)
 				}
 			}(peer, intf) // TODO: this should be acted and not in a goroutine?

src/core/link.go

@@ -80,7 +80,6 @@ func (l *links) call(u *url.URL, sintf string) error {
 	//if err != nil {
 	//	return fmt.Errorf("peer %s is not correctly formatted (%s)", uri, err)
 	//}
-	pathtokens := strings.Split(strings.Trim(u.Path, "/"), "/")
 	tcpOpts := tcpOptions{}
 	if pubkeys, ok := u.Query()["ed25519"]; ok && len(pubkeys) > 0 {
 		tcpOpts.pinnedEd25519Keys = make(map[keyArray]struct{})
@@ -106,6 +105,7 @@ func (l *links) call(u *url.URL, sintf string) error {
 			tcpOpts.socksProxyAuth.User = u.User.Username()
 			tcpOpts.socksProxyAuth.Password, _ = u.User.Password()
 		}
+		pathtokens := strings.Split(strings.Trim(u.Path, "/"), "/")
 		l.tcp.call(pathtokens[0], tcpOpts, sintf)
 	case "tls":
 		tcpOpts.upgrade = l.tcp.tls.forDialer

src/core/tcp.go

@@ -185,6 +185,32 @@ func (t *tcp) reconfigure() {
 	*/
 }
 
+func (t *tcp) listenURL(u *url.URL, sintf string) (*TcpListener, error) {
+	var metric uint8
+	if ms := u.Query()["metric"]; len(ms) == 1 {
+		m64, _ := strconv.ParseUint(ms[0], 10, 8)
+		metric = uint8(m64)
+	}
+	var listener *TcpListener
+	var err error
+	hostport := u.Host // Used for tcp and tls
+	if len(sintf) != 0 {
+		host, port, err := net.SplitHostPort(hostport)
+		if err == nil {
+			hostport = fmt.Sprintf("[%s%%%s]:%s", host, sintf, port)
+		}
+	}
+	switch u.Scheme {
+	case "tcp":
+		listener, err = t.listen(hostport, nil, metric)
+	case "tls":
+		listener, err = t.listen(hostport, t.tls.forListener, metric)
+	default:
+		t.links.core.log.Errorln("Failed to add listener: listener", u.String(), "is not correctly formatted, ignoring")
+	}
+	return listener, err
+}
+
 func (t *tcp) listen(listenaddr string, upgrade *TcpUpgrade, metric uint8) (*TcpListener, error) {
 	var err error
 

src/multicast/multicast.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"net"
+	"net/url"
 	"regexp"
 	"time"
 
@@ -273,9 +274,13 @@ func (m *Multicast) _announce() {
 			var info *listenerInfo
 			if nfo, ok := m.listeners[iface.Name]; !ok || nfo.listener.Listener == nil {
 				// No listener was found - let's create one
-				listenaddr := fmt.Sprintf("[%s%%%s]:%d", addrIP, iface.Name, m.listenPort)
-				var metric uint8 // TODO parse this from config
-				if li, err := m.core.ListenTCP(listenaddr, metric); err == nil {
+				var metric uint8 // TODO parse this from the config
+				urlString := fmt.Sprintf("tcp://[%s]:%d/?metric=%d", addrIP, m.listenPort, metric)
+				u, err := url.Parse(urlString)
+				if err != nil {
+					panic(err)
+				}
+				if li, err := m.core.Listen(u, iface.Name); err == nil {
 					m.log.Debugln("Started multicasting on", iface.Name)
 					// Store the listener so that we can stop it later if needed
 					info = &listenerInfo{listener: li, time: time.Now()}
@@ -353,7 +358,11 @@ func (m *Multicast) listen() {
 		})
 		if _, ok := interfaces[from.Zone]; ok {
 			addr.Zone = ""
-			if err := m.core.CallPeer("tcp://"+addr.String(), from.Zone); err != nil {
+			u, err := url.Parse("tcp://" + addr.String())
+			if err != nil {
+				m.log.Debugln("Call from multicast failed, parse error:", addr.String(), err)
+			}
+			if err := m.core.CallPeer(u, from.Zone); err != nil {
 				m.log.Debugln("Call from multicast failed:", err)
 			}
 		}