// Copyright (c) 2018 Open Networking Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

syntax = "proto3";

option go_package = "github.com/opencord/voltha-protos/v4/go/extension";
option java_package = "org.opencord.voltha.extension";

package extension;

import public "voltha_protos/ext_config.proto";

message GetDistanceRequest {
    string onuDeviceId = 1;
}

message GetDistanceResponse {
    uint32 distance = 1; // distance in meters
}

message GetOnuUniInfoRequest {
    uint32 uniIndex = 1; // Index of the uni starting from 0
}

message GetOnuUniInfoResponse {
    enum ConfigurationInd {
        UNKOWN = 0;
        TEN_BASE_T_FDX = 1;
        HUNDRED_BASE_T_FDX = 2;
        GIGABIT_ETHERNET_FDX = 3;
        TEN_G_ETHERNET_FDX = 4;
        TEN_BASE_T_HDX = 5;
        HUNDRED_BASE_T_HDX = 6;
        GIGABIT_ETHERNET_HDX = 7;
    }

    enum AdministrativeState {
        ADMSTATE_UNDEFINED = 0;
        LOCKED = 1;
        UNLOCKED = 2;
    }

    enum OperationalState {
        OPERSTATE_UNDEFINED = 0;
        ENABLED = 1;
        DISABLED = 2;
    }

    AdministrativeState admState = 1;
    OperationalState operState = 2;
    ConfigurationInd configInd = 3;
}

message GetValueRequest {
    oneof request {
        GetDistanceRequest distance = 1;
        GetOnuUniInfoRequest uniInfo = 2;
    }
}

message GetValueResponse {
    enum Status {
        STATUS_UNDEFINED = 0;
        OK = 1;
        ERROR = 2;
    }

    enum ErrorReason {
        REASON_UNDEFINED = 0;
        UNSUPPORTED = 1;
    }
    Status status = 1;
    ErrorReason errReason = 2;

    oneof response {
        GetDistanceResponse distance = 3;
        GetOnuUniInfoResponse uniInfo = 4;
    }
}

message SetValueRequest {
    oneof request {
        config.AlarmConfig alarm_config = 1;
    }
}

message SetValueResponse {
    enum Status {
        STATUS_UNDEFINED = 0;
        OK = 1;
        ERROR = 2;
    }

    enum ErrorReason {
        REASON_UNDEFINED = 0;
        UNSUPPORTED = 1;
    }
    Status status = 1;
    ErrorReason errReason = 2;

    // As of now we don't have any explicit response for the supported SetValueRequests
    // to be used later
    //oneof response {
    //
    //}
}

message SingleGetValueRequest {
    string targetId = 1;
    GetValueRequest request = 2;
}

message SingleGetValueResponse{
    GetValueResponse response = 1;
}

message SingleSetValueRequest {
    string targetId = 1;
    SetValueRequest request = 2;
}
message SingleSetValueResponse {
    SetValueResponse response = 1;
}

// Extension is a service to get and set specific attributes
service Extension {
    // Get a single attribute
    rpc GetExtValue(SingleGetValueRequest) returns (SingleGetValueResponse);
    // Set a single attribute
    rpc SetExtValue(SingleSetValueRequest) returns (SingleSetValueResponse);
}