v3 refactor (#1868)

* Move to v3

Co-authored-by: Ben Toogood <bentoogood@gmail.com>

network/mucp/proto/network.proto

@@ -0,0 +1,115 @@
+syntax = "proto3";
+
+package go.micro.network.mucp;
+
+// AdvertType defines the type of advert
+enum AdvertType {
+  AdvertAnnounce = 0;
+  AdvertUpdate = 1;
+}
+
+// Advert is router advertsement streamed by Watch
+message Advert {
+  // id of the advertising router
+  string id = 1;
+  // type of advertisement
+  AdvertType type = 2;
+  // unix timestamp of the advertisement
+  int64 timestamp = 3;
+  // TTL of the Advert
+  int64 ttl = 4;
+  // events is a list of advertised events
+  repeated Event events = 5;
+}
+
+// EventType defines the type of event
+enum EventType {
+  Create = 0;
+  Delete = 1;
+  Update = 2;
+}
+
+// Event is routing table event
+message Event {
+  // the unique event id
+  string id = 1;
+  // type of event
+  EventType type = 2;
+  // unix timestamp of event
+  int64 timestamp = 3;
+  // service route
+  Route route = 4;
+}
+
+// Route is a service route
+message Route {
+  // service for the route
+  string service = 1;
+  // the address that advertise this route
+  string address = 2;
+  // gateway as the next hop
+  string gateway = 3;
+  // the network for this destination
+  string network = 4;
+  // router if the router id
+  string router = 5;
+  // the network link
+  string link = 6;
+  // the metric / score of this route
+  int64 metric = 7;
+  // metadata for the route
+  map<string,string> metadata = 8;
+}
+
+// Error tracks network errors
+message Error {
+        uint32 count = 1;
+        string msg = 2;
+}
+
+// Status is node status
+message Status {
+        Error error = 1;
+}
+
+// Node is network node
+message Node {
+        // node id
+        string id = 1;
+        // node address
+        string address = 2;
+        // the network
+        string network = 3;
+        // associated metadata
+        map<string,string> metadata = 4;
+        // node status
+        Status status = 5;
+}
+
+// Connect is sent when the node connects to the network
+message Connect {
+        // network mode
+        Node node = 1;
+}
+
+// Close is sent when the node disconnects from the network
+message Close {
+        // network node
+        Node node = 1;
+}
+
+// Peer is used to advertise node peers
+message Peer {
+        // network node
+        Node node = 1;
+        // node peers
+        repeated Peer peers = 2;
+}
+
+// Sync is network sync message
+message Sync {
+        // peer origin
+        Peer peer = 1;
+        // node routes
+        repeated Route routes = 2;
+}