syntax = "proto3";

import "google/protobuf/timestamp.proto";

package weave.trait.telemetry.tunnel;

message TelemetryTunnelTrait {
    enum TunnelType {
        TUNNEL_TYPE_UNSPECIFIED = 0;
        TUNNEL_TYPE_NONE = 1;
        TUNNEL_TYPE_PRIMARY = 2;
        TUNNEL_TYPE_BACKUP = 3;
        TUNNEL_TYPE_SHORTCUT = 4;
    }

    enum TunnelState {
        TUNNEL_STATE_UNSPECIFIED = 0;
        TUNNEL_STATE_NO_TUNNEL = 1;
        TUNNEL_STATE_PRIMARY_ESTABLISHED = 2;
        TUNNEL_STATE_BACKUP_ONLY_ESTABLISHED = 3;
        TUNNEL_STATE_PRIMARY_AND_BACKUP_ESTABLISHED = 4;
    }

    message TelemetryTunnelStatsEvent {
        string txBytesToService = 1;
        string rxBytesFromService = 2;
        uint32 txMessagesToService = 3;
        uint32 rxMessagesFromService = 4;
        uint32 tunnelDownCount = 5;
        uint32 tunnelConnAttemptCount = 6;
        google.protobuf.Timestamp lastTimeTunnelWentDown = 7;
        google.protobuf.Timestamp lastTimeTunnelEstablished = 8;
        uint32 droppedMessagesCount = 9;
        TunnelState currentTunnelState = 10;
        TunnelType currentActiveTunnel = 11;
    }
}