feature: Adds remaining commands.

api/gosrc/commonbackend/constants.go

@@ -1,13 +1,5 @@
 package commonbackend
 
-// Not all of these structs are implemented commands.
-// Currently unimplemented commands:
-//   GetAllConnectionsRequest
-//   BackendStatusResponse
-//   BackendStatusRequest
-//   ProxyStatusRequest
-//   ProxyStatusResponse
-
 // TODO (imterah): Rename AddConnectionCommand/RemoveConnectionCommand to AddProxyCommand/RemoveProxyCommand
 // and their associated function calls
 
@@ -37,7 +29,7 @@ type RemoveConnectionCommand struct {
 }
 
 type ProxyStatusRequest struct {
-	Type       string // Will be 'getProxyStatus' always
+	Type       string // Will be 'proxyStatusRequest' always
 	SourceIP   string
 	SourcePort uint16
 	DestPort   uint16
@@ -61,20 +53,23 @@ type ProxyConnection struct {
 }
 
 type ProxyConnectionResponse struct {
-	Type        string             // Will be 'proxyConnectionResponse' always
-	Connections []*ProxyConnection // List of connections
+	Type    string             // Will be 'proxyConnectionResponse' always
+	Proxies []*ProxyConnection // List of connections
+}
+
+type ProxyConnectionRequest struct {
+	Type string // Will be 'proxyConnectionRequest' always
 }
 
 type BackendStatusResponse struct {
-	Type         string // Will be 'backendStatusResponse' always
-	InResponseTo string // Can be either for 'start' or 'stop'
-	StatusCode   int    // Either the 'Success' or 'Failure' constant
-	Message      string // String message from the client (ex. failed to dial TCP)
+	Type       string // Will be 'backendStatusResponse' always
+	IsRunning  bool   // Can be either for 'start' or 'stop'
+	StatusCode int    // Either the 'Success' or 'Failure' constant
+	Message    string // String message from the client (ex. failed to dial TCP)
 }
 
 type BackendStatusRequest struct {
-	Type        string // Will be 'backendStatusRequest' always
-	ForProperty string // Can be either for 'start' or 'stop'
+	Type string // Will be 'backendStatusRequest' always
 }
 
 type GetAllConnectionsRequest struct {
@@ -130,6 +125,8 @@ const (
 	BackendStatusRequestID
 	ProxyStatusRequestID
 	ProxyStatusResponseID
+	ProxyConnectionResponseID
+	ProxyConnectionRequestID
 )
 
 const (

api/gosrc/commonbackend/marshal.go

@@ -36,6 +36,7 @@ func marshalIndividualConnectionStruct(conn *ClientConnection) []byte {
 
 	connectionBlock[0] = serverIPVer
 	copy(connectionBlock[1:len(sourceIP)+1], sourceIP)
+
 	binary.BigEndian.PutUint16(connectionBlock[1+len(sourceIP):3+len(sourceIP)], conn.SourcePort)
 	binary.BigEndian.PutUint16(connectionBlock[3+len(sourceIP):5+len(sourceIP)], conn.DestPort)
 
@@ -46,6 +47,43 @@ func marshalIndividualConnectionStruct(conn *ClientConnection) []byte {
 	return connectionBlock
 }
 
+func marshalIndividualProxyStruct(conn *ProxyConnection) ([]byte, error) {
+	sourceIPOriginal := net.ParseIP(conn.SourceIP)
+
+	var sourceIPVer uint8
+	var sourceIP []byte
+
+	if sourceIPOriginal.To4() == nil {
+		sourceIPVer = IPv6
+		sourceIP = sourceIPOriginal.To16()
+	} else {
+		sourceIPVer = IPv4
+		sourceIP = sourceIPOriginal.To4()
+	}
+
+	proxyBlock := make([]byte, 6+len(sourceIP))
+
+	proxyBlock[0] = sourceIPVer
+	copy(proxyBlock[1:len(sourceIP)+1], sourceIP)
+
+	binary.BigEndian.PutUint16(proxyBlock[1+len(sourceIP):3+len(sourceIP)], conn.SourcePort)
+	binary.BigEndian.PutUint16(proxyBlock[3+len(sourceIP):5+len(sourceIP)], conn.DestPort)
+
+	var protocolVersion uint8
+
+	if conn.Protocol == "tcp" {
+		protocolVersion = TCP
+	} else if conn.Protocol == "udp" {
+		protocolVersion = UDP
+	} else {
+		return proxyBlock, fmt.Errorf("invalid protocol recieved")
+	}
+
+	proxyBlock[5+len(sourceIP)] = protocolVersion
+
+	return proxyBlock, nil
+}
+
 func Marshal(commandType string, command interface{}) ([]byte, error) {
 	switch commandType {
 	case "start":
@@ -68,10 +106,7 @@ func Marshal(commandType string, command interface{}) ([]byte, error) {
 			return nil, fmt.Errorf("failed to typecast")
 		}
 
-		stopCommandBytes := make([]byte, 1)
-		stopCommandBytes[0] = StopCommandID
-
-		return stopCommandBytes, nil
+		return []byte{StopCommandID}, nil
 	case "addConnection":
 		addConnectionCommand, ok := command.(*AddConnectionCommand)
 
@@ -273,6 +308,190 @@ func Marshal(commandType string, command interface{}) ([]byte, error) {
 		}
 
 		return checkResponseBytes, nil
+	case "backendStatusResponse":
+		backendStatusResponse, ok := command.(*BackendStatusResponse)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		var isRunning uint8
+
+		if backendStatusResponse.IsRunning {
+			isRunning = 1
+		} else {
+			isRunning = 0
+		}
+
+		statusResponseBytes := make([]byte, 3+2+len(backendStatusResponse.Message))
+		statusResponseBytes[0] = BackendStatusResponseID
+		statusResponseBytes[1] = isRunning
+		statusResponseBytes[2] = byte(backendStatusResponse.StatusCode)
+
+		binary.BigEndian.PutUint16(statusResponseBytes[3:5], uint16(len(backendStatusResponse.Message)))
+
+		if len(backendStatusResponse.Message) != 0 {
+			copy(statusResponseBytes[5:], []byte(backendStatusResponse.Message))
+		}
+
+		return statusResponseBytes, nil
+	case "backendStatusRequest":
+		_, ok := command.(*BackendStatusRequest)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		statusRequestBytes := make([]byte, 2)
+		statusRequestBytes[0] = BackendStatusRequestID
+
+		return statusRequestBytes, nil
+	case "proxyStatusRequest":
+		proxyStatusRequest, ok := command.(*ProxyStatusRequest)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		sourceIP := net.ParseIP(proxyStatusRequest.SourceIP)
+
+		var ipVer uint8
+		var ipBytes []byte
+
+		if sourceIP.To4() == nil {
+			ipBytes = sourceIP.To16()
+			ipVer = IPv6
+		} else {
+			ipBytes = sourceIP.To4()
+			ipVer = IPv4
+		}
+
+		proxyStatusRequestBytes := make([]byte, 1+1+len(ipBytes)+2+2+1)
+
+		proxyStatusRequestBytes[0] = ProxyStatusRequestID
+		proxyStatusRequestBytes[1] = ipVer
+
+		copy(proxyStatusRequestBytes[2:2+len(ipBytes)], ipBytes)
+
+		binary.BigEndian.PutUint16(proxyStatusRequestBytes[2+len(ipBytes):4+len(ipBytes)], proxyStatusRequest.SourcePort)
+		binary.BigEndian.PutUint16(proxyStatusRequestBytes[4+len(ipBytes):6+len(ipBytes)], proxyStatusRequest.DestPort)
+
+		var protocol uint8
+
+		if proxyStatusRequest.Protocol == "tcp" {
+			protocol = TCP
+		} else if proxyStatusRequest.Protocol == "udp" {
+			protocol = UDP
+		} else {
+			return nil, fmt.Errorf("invalid protocol")
+		}
+
+		proxyStatusRequestBytes[6+len(ipBytes)] = protocol
+
+		return proxyStatusRequestBytes, nil
+	case "proxyStatusResponse":
+		proxyStatusResponse, ok := command.(*ProxyStatusResponse)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		sourceIP := net.ParseIP(proxyStatusResponse.SourceIP)
+
+		var ipVer uint8
+		var ipBytes []byte
+
+		if sourceIP.To4() == nil {
+			ipBytes = sourceIP.To16()
+			ipVer = IPv6
+		} else {
+			ipBytes = sourceIP.To4()
+			ipVer = IPv4
+		}
+
+		proxyStatusResponseBytes := make([]byte, 1+1+len(ipBytes)+2+2+1+1)
+
+		proxyStatusResponseBytes[0] = ProxyStatusResponseID
+		proxyStatusResponseBytes[1] = ipVer
+
+		copy(proxyStatusResponseBytes[2:2+len(ipBytes)], ipBytes)
+
+		binary.BigEndian.PutUint16(proxyStatusResponseBytes[2+len(ipBytes):4+len(ipBytes)], proxyStatusResponse.SourcePort)
+		binary.BigEndian.PutUint16(proxyStatusResponseBytes[4+len(ipBytes):6+len(ipBytes)], proxyStatusResponse.DestPort)
+
+		var protocol uint8
+
+		if proxyStatusResponse.Protocol == "tcp" {
+			protocol = TCP
+		} else if proxyStatusResponse.Protocol == "udp" {
+			protocol = UDP
+		} else {
+			return nil, fmt.Errorf("invalid protocol")
+		}
+
+		proxyStatusResponseBytes[6+len(ipBytes)] = protocol
+
+		var isActive uint8
+
+		if proxyStatusResponse.IsActive {
+			isActive = 1
+		} else {
+			isActive = 0
+		}
+
+		proxyStatusResponseBytes[7+len(ipBytes)] = isActive
+
+		return proxyStatusResponseBytes, nil
+	case "proxyConnectionResponse":
+		proxyConectionResponse, ok := command.(*ProxyConnectionResponse)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		proxyArray := make([][]byte, len(proxyConectionResponse.Proxies))
+		totalSize := 0
+
+		for proxyIndex, proxy := range proxyConectionResponse.Proxies {
+			var err error
+			proxyArray[proxyIndex], err = marshalIndividualProxyStruct(proxy)
+
+			if err != nil {
+				return nil, err
+			}
+
+			totalSize += len(proxyArray[proxyIndex]) + 1
+		}
+
+		connectionCommandArray := make([]byte, totalSize+1)
+		connectionCommandArray[0] = ProxyConnectionResponseID
+
+		currentPosition := 1
+
+		for _, connection := range proxyArray {
+			copy(connectionCommandArray[currentPosition:currentPosition+len(connection)], connection)
+			connectionCommandArray[currentPosition+len(connection)] = '\r'
+			currentPosition += len(connection) + 1
+		}
+
+		connectionCommandArray[totalSize] = '\n'
+		return connectionCommandArray, nil
+	case "proxyConnectionRequest":
+		_, ok := command.(*ProxyConnectionRequest)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		return []byte{ProxyConnectionRequestID}, nil
+	case "getAllConnectionsRequest":
+		_, ok := command.(*GetAllConnectionsRequest)
+
+		if !ok {
+			return nil, fmt.Errorf("failed to typecast")
+		}
+
+		return []byte{GetAllConnectionsRequestID}, nil
 	}
 
 	return nil, fmt.Errorf("couldn't match command")

api/gosrc/commonbackend/marshalling_test.go

@@ -292,17 +292,17 @@ func TestGetAllConnectionsCommandMarshalSupport(t *testing.T) {
 			log.Printf("(in #%d) SourcePort's are not equal (orig: %d, unmsh: %d)", commandIndex, originalConnection.SourcePort, remoteConnection.SourcePort)
 		}
 
-		if originalConnection.SourcePort != remoteConnection.SourcePort {
+		if originalConnection.DestPort != remoteConnection.DestPort {
 			t.Fail()
 			log.Printf("(in #%d) DestPort's are not equal (orig: %d, unmsh: %d)", commandIndex, originalConnection.DestPort, remoteConnection.DestPort)
 		}
 
-		if originalConnection.SourcePort != remoteConnection.SourcePort {
+		if originalConnection.ClientIP != remoteConnection.ClientIP {
 			t.Fail()
 			log.Printf("(in #%d) ClientIP's are not equal (orig: %s, unmsh: %s)", commandIndex, originalConnection.ClientIP, remoteConnection.ClientIP)
 		}
 
-		if originalConnection.SourcePort != remoteConnection.SourcePort {
+		if originalConnection.ClientPort != remoteConnection.ClientPort {
 			t.Fail()
 			log.Printf("(in #%d) ClientPort's are not equal (orig: %d, unmsh: %d)", commandIndex, originalConnection.ClientPort, remoteConnection.ClientPort)
 		}
@@ -472,3 +472,353 @@ func TestCheckParametersResponseMarshalSupport(t *testing.T) {
 		log.Printf("Messages are not equal (orig: %s, unmsh: %s)", commandInput.Message, commandUnmarshalled.Message)
 	}
 }
+
+func TestBackendStatusRequestMarshalSupport(t *testing.T) {
+	commandInput := &BackendStatusRequest{
+		Type: "backendStatusRequest",
+	}
+
+	commandMarshalled, err := Marshal(commandInput.Type, commandInput)
+
+	if logLevel == "debug" {
+		log.Printf("Generated array contents: %v", commandMarshalled)
+	}
+
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	buf := bytes.NewBuffer(commandMarshalled)
+	commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	if commandType != commandInput.Type {
+		t.Fail()
+		log.Print("command type does not match up!")
+	}
+
+	commandUnmarshalled, ok := commandUnmarshalledRaw.(*BackendStatusRequest)
+
+	if !ok {
+		t.Fatal("failed typecast")
+	}
+
+	if commandInput.Type != commandUnmarshalled.Type {
+		t.Fail()
+		log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
+	}
+}
+
+func TestBackendStatusResponseMarshalSupport(t *testing.T) {
+	commandInput := &BackendStatusResponse{
+		Type:       "backendStatusResponse",
+		IsRunning:  true,
+		StatusCode: StatusFailure,
+		Message:    "Hello from automated testing",
+	}
+
+	commandMarshalled, err := Marshal(commandInput.Type, commandInput)
+
+	if logLevel == "debug" {
+		log.Printf("Generated array contents: %v", commandMarshalled)
+	}
+
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	buf := bytes.NewBuffer(commandMarshalled)
+	commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	if commandType != commandInput.Type {
+		t.Fail()
+		log.Print("command type does not match up!")
+	}
+
+	commandUnmarshalled, ok := commandUnmarshalledRaw.(*BackendStatusResponse)
+
+	if !ok {
+		t.Fatal("failed typecast")
+	}
+
+	if commandInput.Type != commandUnmarshalled.Type {
+		t.Fail()
+		log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
+	}
+
+	if commandInput.IsRunning != commandUnmarshalled.IsRunning {
+		t.Fail()
+		log.Printf("IsRunning's are not equal (orig: %t, unmsh: %t)", commandInput.IsRunning, commandUnmarshalled.IsRunning)
+	}
+
+	if commandInput.StatusCode != commandUnmarshalled.StatusCode {
+		t.Fail()
+		log.Printf("StatusCodes are not equal (orig: %d, unmsh: %d)", commandInput.StatusCode, commandUnmarshalled.StatusCode)
+	}
+
+	if commandInput.Message != commandUnmarshalled.Message {
+		t.Fail()
+		log.Printf("Messages are not equal (orig: %s, unmsh: %s)", commandInput.Message, commandUnmarshalled.Message)
+	}
+}
+
+func TestProxyStatusRequestMarshalSupport(t *testing.T) {
+	commandInput := &ProxyStatusRequest{
+		Type:       "proxyStatusRequest",
+		SourceIP:   "192.168.0.139",
+		SourcePort: 19132,
+		DestPort:   19132,
+		Protocol:   "tcp",
+	}
+
+	commandMarshalled, err := Marshal(commandInput.Type, commandInput)
+
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	if logLevel == "debug" {
+		log.Printf("Generated array contents: %v", commandMarshalled)
+	}
+
+	buf := bytes.NewBuffer(commandMarshalled)
+	commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	if commandType != commandInput.Type {
+		t.Fail()
+		log.Print("command type does not match up!")
+	}
+
+	commandUnmarshalled, ok := commandUnmarshalledRaw.(*ProxyStatusRequest)
+
+	if !ok {
+		t.Fatal("failed typecast")
+	}
+
+	if commandInput.Type != commandUnmarshalled.Type {
+		t.Fail()
+		log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
+	}
+
+	if commandInput.SourceIP != commandUnmarshalled.SourceIP {
+		t.Fail()
+		log.Printf("SourceIP's are not equal (orig: %s, unmsh: %s)", commandInput.SourceIP, commandUnmarshalled.SourceIP)
+	}
+
+	if commandInput.SourcePort != commandUnmarshalled.SourcePort {
+		t.Fail()
+		log.Printf("SourcePort's are not equal (orig: %d, unmsh: %d)", commandInput.SourcePort, commandUnmarshalled.SourcePort)
+	}
+
+	if commandInput.DestPort != commandUnmarshalled.DestPort {
+		t.Fail()
+		log.Printf("DestPort's are not equal (orig: %d, unmsh: %d)", commandInput.DestPort, commandUnmarshalled.DestPort)
+	}
+
+	if commandInput.Protocol != commandUnmarshalled.Protocol {
+		t.Fail()
+		log.Printf("Protocols are not equal (orig: %s, unmsh: %s)", commandInput.Protocol, commandUnmarshalled.Protocol)
+	}
+}
+
+func TestProxyStatusResponseMarshalSupport(t *testing.T) {
+	commandInput := &ProxyStatusResponse{
+		Type:       "proxyStatusResponse",
+		SourceIP:   "192.168.0.139",
+		SourcePort: 19132,
+		DestPort:   19132,
+		Protocol:   "tcp",
+		IsActive:   true,
+	}
+
+	commandMarshalled, err := Marshal(commandInput.Type, commandInput)
+
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	if logLevel == "debug" {
+		log.Printf("Generated array contents: %v", commandMarshalled)
+	}
+
+	buf := bytes.NewBuffer(commandMarshalled)
+	commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	if commandType != commandInput.Type {
+		t.Fail()
+		log.Print("command type does not match up!")
+	}
+
+	commandUnmarshalled, ok := commandUnmarshalledRaw.(*ProxyStatusResponse)
+
+	if !ok {
+		t.Fatal("failed typecast")
+	}
+
+	if commandInput.Type != commandUnmarshalled.Type {
+		t.Fail()
+		log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
+	}
+
+	if commandInput.SourceIP != commandUnmarshalled.SourceIP {
+		t.Fail()
+		log.Printf("SourceIP's are not equal (orig: %s, unmsh: %s)", commandInput.SourceIP, commandUnmarshalled.SourceIP)
+	}
+
+	if commandInput.SourcePort != commandUnmarshalled.SourcePort {
+		t.Fail()
+		log.Printf("SourcePort's are not equal (orig: %d, unmsh: %d)", commandInput.SourcePort, commandUnmarshalled.SourcePort)
+	}
+
+	if commandInput.DestPort != commandUnmarshalled.DestPort {
+		t.Fail()
+		log.Printf("DestPort's are not equal (orig: %d, unmsh: %d)", commandInput.DestPort, commandUnmarshalled.DestPort)
+	}
+
+	if commandInput.Protocol != commandUnmarshalled.Protocol {
+		t.Fail()
+		log.Printf("Protocols are not equal (orig: %s, unmsh: %s)", commandInput.Protocol, commandUnmarshalled.Protocol)
+	}
+
+	if commandInput.IsActive != commandUnmarshalled.IsActive {
+		t.Fail()
+		log.Printf("IsActive's are not equal (orig: %t, unmsh: %t)", commandInput.IsActive, commandUnmarshalled.IsActive)
+	}
+}
+
+func TestProxyConnectionRequestMarshalSupport(t *testing.T) {
+	commandInput := &ProxyConnectionRequest{
+		Type: "proxyConnectionRequest",
+	}
+
+	commandMarshalled, err := Marshal(commandInput.Type, commandInput)
+
+	if logLevel == "debug" {
+		log.Printf("Generated array contents: %v", commandMarshalled)
+	}
+
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	buf := bytes.NewBuffer(commandMarshalled)
+	commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	if commandType != commandInput.Type {
+		t.Fail()
+		log.Print("command type does not match up!")
+	}
+
+	commandUnmarshalled, ok := commandUnmarshalledRaw.(*ProxyConnectionRequest)
+
+	if !ok {
+		t.Fatal("failed typecast")
+	}
+
+	if commandInput.Type != commandUnmarshalled.Type {
+		t.Fail()
+		log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
+	}
+}
+
+func TestProxyConnectionResponseMarshalSupport(t *testing.T) {
+	commandInput := &ProxyConnectionResponse{
+		Type: "proxyConnectionResponse",
+		Proxies: []*ProxyConnection{
+			{
+				SourceIP:   "192.168.0.168",
+				SourcePort: 25565,
+				DestPort:   25565,
+				Protocol:   "tcp",
+			},
+			{
+				SourceIP:   "127.0.0.1",
+				SourcePort: 19132,
+				DestPort:   19132,
+				Protocol:   "udp",
+			},
+			{
+				SourceIP:   "68.42.203.47",
+				SourcePort: 22,
+				DestPort:   2222,
+				Protocol:   "tcp",
+			},
+		},
+	}
+
+	commandMarshalled, err := Marshal(commandInput.Type, commandInput)
+
+	if err != nil {
+		t.Fatalf(err.Error())
+	}
+
+	if logLevel == "debug" {
+		log.Printf("Generated array contents: %v", commandMarshalled)
+	}
+
+	buf := bytes.NewBuffer(commandMarshalled)
+	commandType, commandUnmarshalledRaw, err := Unmarshal(buf)
+
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+
+	if commandType != commandInput.Type {
+		t.Fail()
+		log.Print("command type does not match up!")
+	}
+
+	commandUnmarshalled, ok := commandUnmarshalledRaw.(*ProxyConnectionResponse)
+
+	if !ok {
+		t.Fatal("failed typecast")
+	}
+
+	if commandInput.Type != commandUnmarshalled.Type {
+		t.Fail()
+		log.Printf("Types are not equal (orig: %s, unmsh: %s)", commandInput.Type, commandUnmarshalled.Type)
+	}
+
+	for proxyIndex, originalProxy := range commandInput.Proxies {
+		remoteProxy := commandUnmarshalled.Proxies[proxyIndex]
+
+		if originalProxy.SourceIP != remoteProxy.SourceIP {
+			t.Fail()
+			log.Printf("(in #%d) SourceIP's are not equal (orig: %s, unmsh: %s)", proxyIndex, originalProxy.SourceIP, remoteProxy.SourceIP)
+		}
+
+		if originalProxy.SourcePort != remoteProxy.SourcePort {
+			t.Fail()
+			log.Printf("(in #%d) SourcePort's are not equal (orig: %d, unmsh: %d)", proxyIndex, originalProxy.SourcePort, remoteProxy.SourcePort)
+		}
+
+		if originalProxy.DestPort != remoteProxy.DestPort {
+			t.Fail()
+			log.Printf("(in #%d) DestPort's are not equal (orig: %d, unmsh: %d)", proxyIndex, originalProxy.DestPort, remoteProxy.DestPort)
+		}
+
+		if originalProxy.Protocol != remoteProxy.Protocol {
+			t.Fail()
+			log.Printf("(in #%d) ClientIP's are not equal (orig: %s, unmsh: %s)", proxyIndex, originalProxy.Protocol, remoteProxy.Protocol)
+		}
+	}
+}

api/gosrc/commonbackend/unmarshal.go

@@ -79,6 +79,65 @@ func unmarshalIndividualConnectionStruct(conn io.Reader) (*ClientConnection, err
 	}, nil
 }
 
+func unmarshalIndividualProxyStruct(conn io.Reader) (*ProxyConnection, error) {
+	ipVersion := make([]byte, 1)
+
+	if _, err := conn.Read(ipVersion); err != nil {
+		return nil, fmt.Errorf("couldn't read ip version")
+	}
+
+	var ipSize uint8
+
+	if ipVersion[0] == 4 {
+		ipSize = IPv4Size
+	} else if ipVersion[0] == 6 {
+		ipSize = IPv6Size
+	} else {
+		return nil, fmt.Errorf("invalid IP version recieved")
+	}
+
+	ip := make(net.IP, ipSize)
+
+	if _, err := conn.Read(ip); err != nil {
+		return nil, fmt.Errorf("couldn't read source IP")
+	}
+
+	sourcePort := make([]byte, 2)
+
+	if _, err := conn.Read(sourcePort); err != nil {
+		return nil, fmt.Errorf("couldn't read source port")
+	}
+
+	destPort := make([]byte, 2)
+
+	if _, err := conn.Read(destPort); err != nil {
+		return nil, fmt.Errorf("couldn't read destination port")
+	}
+
+	protocolBytes := make([]byte, 1)
+
+	if _, err := conn.Read(protocolBytes); err != nil {
+		return nil, fmt.Errorf("couldn't read protocol")
+	}
+
+	var protocol string
+
+	if protocolBytes[0] == TCP {
+		protocol = "tcp"
+	} else if protocolBytes[0] == UDP {
+		protocol = "udp"
+	} else {
+		return nil, fmt.Errorf("invalid protocol")
+	}
+
+	return &ProxyConnection{
+		SourceIP:   ip.String(),
+		SourcePort: binary.BigEndian.Uint16(sourcePort),
+		DestPort:   binary.BigEndian.Uint16(destPort),
+		Protocol:   protocol,
+	}, nil
+}
+
 func Unmarshal(conn io.Reader) (string, interface{}, error) {
 	commandType := make([]byte, 1)
 
@@ -381,6 +440,213 @@ func Unmarshal(conn io.Reader) (string, interface{}, error) {
 			IsValid:      isValid[0] == 1,
 			Message:      message,
 		}, nil
+	case BackendStatusResponseID:
+		isRunning := make([]byte, 1)
+
+		if _, err := conn.Read(isRunning); err != nil {
+			return "", nil, fmt.Errorf("couldn't read isRunning field")
+		}
+
+		statusCode := make([]byte, 1)
+
+		if _, err := conn.Read(statusCode); err != nil {
+			return "", nil, fmt.Errorf("couldn't read status code field")
+		}
+
+		messageLengthBytes := make([]byte, 2)
+
+		if _, err := conn.Read(messageLengthBytes); err != nil {
+			return "", nil, fmt.Errorf("couldn't read message length")
+		}
+
+		messageLength := binary.BigEndian.Uint16(messageLengthBytes)
+		var message string
+
+		if messageLength != 0 {
+			messageBytes := make([]byte, messageLength)
+
+			if _, err := conn.Read(messageBytes); err != nil {
+				return "", nil, fmt.Errorf("couldn't read message")
+			}
+
+			message = string(messageBytes)
+		}
+
+		return "backendStatusResponse", &BackendStatusResponse{
+			Type:       "backendStatusResponse",
+			IsRunning:  isRunning[0] == 1,
+			StatusCode: int(statusCode[0]),
+			Message:    message,
+		}, nil
+	case BackendStatusRequestID:
+		return "backendStatusRequest", &BackendStatusRequest{
+			Type: "backendStatusRequest",
+		}, nil
+	case ProxyStatusRequestID:
+		ipVersion := make([]byte, 1)
+
+		if _, err := conn.Read(ipVersion); err != nil {
+			return "", nil, fmt.Errorf("couldn't read ip version")
+		}
+
+		var ipSize uint8
+
+		if ipVersion[0] == 4 {
+			ipSize = IPv4Size
+		} else if ipVersion[0] == 6 {
+			ipSize = IPv6Size
+		} else {
+			return "", nil, fmt.Errorf("invalid IP version recieved")
+		}
+
+		ip := make(net.IP, ipSize)
+
+		if _, err := conn.Read(ip); err != nil {
+			return "", nil, fmt.Errorf("couldn't read source IP")
+		}
+
+		sourcePort := make([]byte, 2)
+
+		if _, err := conn.Read(sourcePort); err != nil {
+			return "", nil, fmt.Errorf("couldn't read source port")
+		}
+
+		destPort := make([]byte, 2)
+
+		if _, err := conn.Read(destPort); err != nil {
+			return "", nil, fmt.Errorf("couldn't read destination port")
+		}
+
+		protocolBytes := make([]byte, 1)
+
+		if _, err := conn.Read(protocolBytes); err != nil {
+			return "", nil, fmt.Errorf("couldn't read protocol")
+		}
+
+		var protocol string
+
+		if protocolBytes[0] == TCP {
+			protocol = "tcp"
+		} else if protocolBytes[1] == UDP {
+			protocol = "udp"
+		} else {
+			return "", nil, fmt.Errorf("invalid protocol")
+		}
+
+		return "proxyStatusRequest", &ProxyStatusRequest{
+			Type:       "proxyStatusRequest",
+			SourceIP:   ip.String(),
+			SourcePort: binary.BigEndian.Uint16(sourcePort),
+			DestPort:   binary.BigEndian.Uint16(destPort),
+			Protocol:   protocol,
+		}, nil
+	case ProxyStatusResponseID:
+		ipVersion := make([]byte, 1)
+
+		if _, err := conn.Read(ipVersion); err != nil {
+			return "", nil, fmt.Errorf("couldn't read ip version")
+		}
+
+		var ipSize uint8
+
+		if ipVersion[0] == 4 {
+			ipSize = IPv4Size
+		} else if ipVersion[0] == 6 {
+			ipSize = IPv6Size
+		} else {
+			return "", nil, fmt.Errorf("invalid IP version recieved")
+		}
+
+		ip := make(net.IP, ipSize)
+
+		if _, err := conn.Read(ip); err != nil {
+			return "", nil, fmt.Errorf("couldn't read source IP")
+		}
+
+		sourcePort := make([]byte, 2)
+
+		if _, err := conn.Read(sourcePort); err != nil {
+			return "", nil, fmt.Errorf("couldn't read source port")
+		}
+
+		destPort := make([]byte, 2)
+
+		if _, err := conn.Read(destPort); err != nil {
+			return "", nil, fmt.Errorf("couldn't read destination port")
+		}
+
+		protocolBytes := make([]byte, 1)
+
+		if _, err := conn.Read(protocolBytes); err != nil {
+			return "", nil, fmt.Errorf("couldn't read protocol")
+		}
+
+		var protocol string
+
+		if protocolBytes[0] == TCP {
+			protocol = "tcp"
+		} else if protocolBytes[1] == UDP {
+			protocol = "udp"
+		} else {
+			return "", nil, fmt.Errorf("invalid protocol")
+		}
+
+		isActive := make([]byte, 1)
+
+		if _, err := conn.Read(isActive); err != nil {
+			return "", nil, fmt.Errorf("couldn't read isActive field")
+		}
+
+		return "proxyStatusResponse", &ProxyStatusResponse{
+			Type:       "proxyStatusResponse",
+			SourceIP:   ip.String(),
+			SourcePort: binary.BigEndian.Uint16(sourcePort),
+			DestPort:   binary.BigEndian.Uint16(destPort),
+			Protocol:   protocol,
+			IsActive:   isActive[0] == 1,
+		}, nil
+	case ProxyConnectionRequestID:
+		return "proxyConnectionRequest", &ProxyConnectionRequest{
+			Type: "proxyConnectionRequest",
+		}, nil
+	case ProxyConnectionResponseID:
+		proxies := []*ProxyConnection{}
+		delimiter := make([]byte, 1)
+		var errorReturn error
+
+		// Infinite loop because we don't know the length
+		for {
+			proxy, err := unmarshalIndividualProxyStruct(conn)
+
+			if err != nil {
+				return "", nil, err
+			}
+
+			proxies = append(proxies, proxy)
+
+			if _, err := conn.Read(delimiter); err != nil {
+				return "", nil, fmt.Errorf("couldn't read delimiter")
+			}
+
+			if delimiter[0] == '\r' {
+				continue
+			} else if delimiter[0] == '\n' {
+				break
+			} else {
+				// WTF? This shouldn't happen. Break out and return, but give an error
+				errorReturn = fmt.Errorf("invalid delimiter recieved while processing stream")
+				break
+			}
+		}
+
+		return "proxyConnectionResponse", &ProxyConnectionResponse{
+			Type:    "proxyConnectionResponse",
+			Proxies: proxies,
+		}, errorReturn
+	case GetAllConnectionsRequestID:
+		return "getAllConnectionsRequest", &GetAllConnectionsRequest{
+			Type: "getAllConnectionsRequest",
+		}, nil
 	}
 
 	return "", nil, fmt.Errorf("couldn't match command")