added GetServerInfo shortcut

irc_helpers.go

@@ -0,0 +1,46 @@
+package irc
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+type ServerInfo struct {
+	Users     int
+	Invisible int
+	Channels  int
+	Servers   int
+}
+
+func GetServerInfo(server, nick string) ServerInfo {
+	users := 0
+	invis := 0
+	channels := 0
+	servers := 0
+
+	con := NewConnection(server, nick, nick, nil, nil)
+
+	con.NumericCallback = func(from string, i int, args string) {
+		switch i {
+		case RPL_LUSERCLIENT:
+			s := strings.Split(args, ":")
+			if len(s) > 1 {
+				fmt.Sscanf(s[1], "There are %d users and %d invisible on %d servers", &users, &invis, &servers)
+			}
+		case RPL_LUSERCHANNELS:
+			s := strings.TrimSpace(strings.Split(args, " ")[1])
+			channels, _ = strconv.Atoi(s)
+			con.SendQuit("")
+		}
+	}
+
+	con.Run()
+
+	return ServerInfo{
+		Users:     users,
+		Invisible: invis,
+		Channels:  channels,
+		Servers:   servers,
+	}
+}

irc_test.go

@@ -79,29 +79,14 @@ func TestLusersChannels(t *testing.T) {
 	con.Run()
 }
 
-func TestMultiClient(t *testing.T) {
+func TestGetServerInfo(t *testing.T) {
 	con := NewConnection("irc.ouch.chat:6667", "irc-go", "irc-go", nil, []string{channel})
 
-	chancnt := make(chan int)
-
 	con.NumericCallback = func(from string, i int, args string) {
 		if i == RPL_ENDOFMOTD {
-			con2 := NewConnection("irc.libera.chat:6667", "irc-go66543", "irc-go66543", nil, nil)
-			con2.NumericCallback = func(from string, i int, args string) {
-				if i == RPL_LUSERCHANNELS {
-					s := strings.TrimSpace(strings.Split(args, " ")[1])
-					val, _ := strconv.Atoi(s)
-					chancnt <- val
-				}
-			}
-			go con2.Run()
-
-			go func() {
-				resp := <-chancnt
-				con.SendPrivmsg(channel, fmt.Sprintf("There are %d channels formed on libera", resp))
-				con2.SendQuit("")
-				con.SendQuit("")
-			}()
+			res := GetServerInfo("irc.libera.chat:6667", "irc-go4240")
+			con.SendPrivmsg(channel, fmt.Sprintf("Libera has %d users, %d channels, %d servers, %d invisible", res.Users, res.Channels, res.Servers, res.Invisible))
+			con.SendQuit("Scan Completed")
 		}
 	}