twt.proto

syntax = "proto3";

package twtproto;

option go_package = "twt/twtproto";

message ProxyComm {
  enum MessageType {
    DATA_DOWN        = 0;   // downlink data, presumably most frequent message type
    DATA_UP          = 1;   // uplink data
    OPEN_CONN        = 2;   // open remote connection to server
    CLOSE_CONN_S     = 3;   // close remote connection to server
    CLOSE_CONN_C     = 4;   // close local connection to client
    PING             = 5;   // ping
  }
  MessageType mt     = 1;
  uint64 proxy       = 2;   // id of the proxy which is sending the message, must by globally unique
  uint64 connection  = 3;   // sequential number of the connection on the local side of the proxy
  uint64 seq         = 4;   // sequential number of the message within the connection, sequential numbers are independent per up/down directions
  string address     = 5;   // remote address to connect to, only used in OPEN_CONN message
  uint32 port        = 6;   // remote port to connect to, only used in OPEN_CONN message
  bytes data         = 7;   // data chunk, only used in DATA_* messages
}