Complete refactor using protobuff

doc/class_messages01.puml

@@ -0,0 +1,83 @@
+@startuml Messages sturcture and hierarchy
+
+class PackedServerMessage {
+    From string
+    Payload string
+    Signature string
+}
+
+class ServerMessage {
+    Type string
+}
+
+
+class PackedForwardMessage {
+	NextServerKey string
+    Url string
+	Payload string   
+}
+
+class PackedUserMessage {
+	DestinationKey 
+	Payload     
+	Signature   
+}
+
+class UserMessage
+{
+	LocalUuid   
+	Destination 
+	From        
+	Type        
+	Data        
+	Sent        
+	NextKey    
+}
+
+class InternalMessage {
+	With             
+	SentByMe           
+	UserMessageData  
+	ServerUuid   
+	Received     
+	Processed    
+	TransferPath 
+}
+
+class ConversationRequest {
+	Destination string 
+	LastUuidOK  string 
+	PublishIp   bool   
+}
+class PollRequest {
+	Destinations []ConversationRequest 
+	Time         time.Time             
+}
+
+class ConversationResponse {
+	MessageUuids    []string
+	SourceIpAddress string
+}
+
+class PollResponse {
+	Conversations map[string]ConversationResponse 
+}
+
+class MessageBodies {
+	Messages []Message 
+}
+
+PackedServerMessage *-- ServerMessage
+
+ServerMessage <|--PackedForwardMessage
+ServerMessage <|--PollRequest
+PollRequest *-- ConversationRequest
+PollResponse *--ConversationResponse
+ServerMessage <|--PollResponse
+ServerMessage <|-- MessageBodies
+PackedUserMessage *-- UserMessage
+InternalMessage *-- UserMessage
+PackedForwardMessage *-- ServerMessage
+PackedForwardMessage *-- PackedForwardMessage
+MessageBodies *-- PackedUserMessage
+@enduml