Make highlights stand out

Also re-fixed empty message check
No longer re-seeding the RNG on each call for colors

client.go

@@ -324,7 +324,7 @@ func (c *Client) handleShell(channel ssh.Channel) {
 			c.Msg <- fmt.Sprintf("-> Rate limiting in effect.")
 			continue
 		}
-		if c.IsSilenced() || len(msg) > 1000 || len(msg) == 0 {
+		if c.IsSilenced() || len(msg) > 1000 || len(line) < 1 {
 			c.SysMsg("Message rejected.")
 			continue
 		}

cmd.go

@@ -36,6 +36,9 @@ func main() {
 		return
 	}
 
+	// Initialize seed for random colors
+	RandomColorInit()
+
 	// Figure out the log level
 	numVerbose := len(options.Verbose)
 	if numVerbose > len(logLevels) {

colors.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"strings"
     "math/rand"
-    "time"
+	"time"
 )
 
 const RESET string =     "\033[0m"
@@ -18,12 +18,10 @@ const INVERT string =    "\033[7m"
 var colors = []string { "31", "32", "33", "34", "35", "36", "37", "91", "92", "93", "94", "95", "96", "97" }
 
 func RandomColor256() string {
-	rand.Seed(time.Now().UTC().UnixNano())
 	return fmt.Sprintf("38;05;%d", rand.Intn(256))
 }
 
 func RandomColor() string {
-	rand.Seed(time.Now().UTC().UnixNano())
 	return colors[rand.Intn(len(colors))]
 }
 
@@ -31,6 +29,10 @@ func ColorString(color string, msg string) string {
 	return BOLD + "\033[" + color + "m" + msg + RESET
 }
 
+func RandomColorInit() {
+	rand.Seed(time.Now().UTC().UnixNano())
+}
+
 // Horrible hack to "continue" the previous string color and format
 //  after a RESET has been encountered.
 // This is not HTML where you can just do a </style> to resume your previous formatting!

server.go

@@ -89,10 +89,15 @@ func (s *Server) Broadcast(msg string, except *Client) {
 			continue
 		}
 
-		client.Send(msg)
-		if client.beepMe && strings.Contains(msg, client.Name) {
-			/* Add an ascii BEL to ding clients when they're mentioned */
-			client.Send(BEEP)
+		if strings.Contains(msg, client.Name) {
+			// Turn message red if client's name is mentioned, and send BEL if they have enabled beeping
+			tmpMsg := strings.Split(msg, RESET)
+			if client.beepMe {
+				tmpMsg[0] += BEEP
+			}
+			client.Send(strings.Join(tmpMsg, RESET + BOLD + "\033[31m") + RESET)
+		} else {
+			client.Send(msg)
 		}
 	}
 }