Added more ICCC commands

+ Added ICCC command for register a host
+ Added ICCC command for register a command i.e. listener
+ Added ICCC command for getting a number from NumGen

ICCC/SystemMessages/ICCCNumGen.go

@@ -0,0 +1,10 @@
+package SystemMessages
+
+// The message to request a new number from NumGen package.
+type ICCCNumGenNext struct {
+}
+
+// The response to the Numgen request.
+type ICCCAnswerNumGen struct {
+	Number int64
+}

ICCC/SystemMessages/ICCCRegisterHost.go

@@ -0,0 +1,7 @@
+package SystemMessages
+
+// The message to register a host to ICCC.
+type ICCCRegisterHost struct {
+	Hostname      string // The hostname for the end-point
+	IPAddressPort string // The IP address and port for the end-point
+}

ICCC/SystemMessages/ICCCRegisterListener.go

@@ -0,0 +1,9 @@
+package SystemMessages
+
+// The message to register a command/listener to ICCC.
+type ICCCRegisterListener struct {
+	Channel       string // The channel for the provided command
+	Command       string // The provided command
+	IsActive      bool   // Is the command active?
+	IPAddressPort string // The IP address and port for the end-point
+}

ICCC/SystemMessages/ICCCStartup.go

@@ -2,6 +2,6 @@ package SystemMessages
 
 // Message type for the startup message:
 type ICCCStartUpMessage struct {
-	PublicIPAddressAndPort string
-	AdminIPAddressAndPort  string
+	PublicIPAddressAndPort string // The public web server's IP address and port
+	AdminIPAddressAndPort  string // The private admin server's IP address and port
 }