Add realname support. Guard against race conditions on Disconnect

irc.go

@@ -388,6 +388,20 @@ func (irc *Connection) Connected() bool {
 // A disconnect sends all buffered messages (if possible),
 // stops all goroutines and then closes the socket.
 func (irc *Connection) Disconnect() {
+	irc.Lock()
+	defer irc.Unlock()
+
+	if irc.end != nil {
+		close(irc.end)
+	}
+
+	irc.end = nil
+
+	if irc.pwrite != nil {
+		close(irc.pwrite)
+	}
+
+	irc.Wait()
 	if irc.socket != nil {
 		irc.socket.Close()
 	}
@@ -468,8 +482,13 @@ func (irc *Connection) Connect(server string) error {
 		return err
 	}
 
+	realname := irc.user
+	if irc.RealName != "" {
+		realname = irc.RealName
+	}
+
 	irc.pwrite <- fmt.Sprintf("NICK %s\r\n", irc.nick)
-	irc.pwrite <- fmt.Sprintf("USER %s 0.0.0.0 0.0.0.0 :%s\r\n", irc.user, irc.user)
+	irc.pwrite <- fmt.Sprintf("USER %s 0.0.0.0 0.0.0.0 :%s\r\n", irc.user, realname)
 	return nil
 }
 
@@ -541,6 +560,13 @@ func (irc *Connection) negotiateCaps() error {
 	}
 	irc.pwrite <- fmt.Sprintf("CAP END\r\n")
 
+	realname := irc.user
+	if irc.RealName != "" {
+		realname = irc.RealName
+	}
+
+	irc.pwrite <- fmt.Sprintf("NICK %s\r\n", irc.nick)
+	irc.pwrite <- fmt.Sprintf("USER %s 0.0.0.0 0.0.0.0 :%s\r\n", irc.user, realname)
 	return nil
 }
 

irc_struct.go

@@ -32,6 +32,9 @@ type Connection struct {
 	KeepAlive        time.Duration
 	Server           string
 
+	RealName string // The real name we want to display.
+	// If zero-value defaults to the user.
+
 	socket net.Conn
 	pwrite chan string
 	end    chan struct{}
@@ -43,8 +46,8 @@ type Connection struct {
 	events      map[string]map[int]func(*Event)
 	eventsMutex sync.Mutex
 
-	QuitMessage string
-	lastMessage time.Time
+	QuitMessage      string
+	lastMessage      time.Time
 	lastMessageMutex sync.Mutex
 
 	VerboseCallbackHandler bool