// 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";
import "google/protobuf/empty.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 GetOltPortCounters {
    enum PortType {
        Port_UNKNOWN = 0;
        Port_ETHERNET_NNI = 1;
        Port_PON_OLT = 2;
    }
    uint32 portNo = 1;  // Device-unique port number
    PortType portType = 2;
}

message GetOltPortCountersResponse {
    uint64 txBytes = 1;
    uint64 rxBytes = 2;
    uint64 txPackets = 3;
    uint64 rxPackets = 4;
    uint64 txErrorPackets = 5;
    uint64 rxErrorPackets = 6;
    uint64 txBcastPackets = 7;
    uint64 rxBcastPackets = 8;
    uint64 txUcastPackets = 9;
    uint64 rxUcastPackets = 10;
    uint64 txMcastPackets = 11;
    uint64 rxMcastPackets = 12;
}

message GetOnuPonOpticalInfo {
    google.protobuf.Empty empty = 1;
}

// These values correspond to the Optical Line Supervision Test results
// described in section A3.39.5 of ITU-T G.988 (11/2017) specification.
message GetOnuPonOpticalInfoResponse{
    float powerFeedVoltage = 1; // unit of value is voltage
    float receivedOpticalPower = 2; // unit of value is dBm
    float meanOpticalLaunchPower = 3; // unit of value is dBm
    float laserBiasCurrent = 4; // unit of value is milli-amphere (mA)
    float temperature = 5; // unit of value is degree celsius
}

message GetOnuEthernetBridgePortHistory {
    enum Direction {
        UNDEFINED = 0;
        UPSTREAM = 1;
        DOWNSTREAM = 2;
    }
    Direction direction = 1;
}

message GetOnuEthernetBridgePortHistoryResponse {
     uint32 dropEvents = 1;
     uint32 octets = 2;
     uint32 packets= 3;
     uint32 broadcastPackets = 4;
     uint32 multicastPackets = 5;
     uint32 crcErroredPackets = 6;
     uint32 undersizePackets = 7;
     uint32 oversizePackets = 8;
     uint32 packets64octets = 9;
     uint32 packets65To127octets = 10;
     uint32 packets128To255Octets = 11;
     uint32 packets256To511octets = 12;
     uint32 packets512To1023octets = 13;
     uint32 packets1024To1518octets = 14;
}

message GetOnuFecHistory {
    google.protobuf.Empty empty = 1;
}

message GetOnuFecHistoryResponse {
    uint32 correctedBytes = 1;
    uint32 correctedCodeWords = 2;
    uint32 fecSeconds = 3;
    uint32 totalCodeWords = 4;
    uint32 uncorrectableCodeWords = 5;
}

message GetOnuCountersRequest {
    fixed32 intf_id = 1;
    fixed32 onu_id = 2;
}

message GetOmciEthernetFrameExtendedPmRequest {
    string onuDeviceId = 1;
}

message GetRxPowerRequest {
    fixed32 intf_id = 1;
    fixed32 onu_id = 2;
}

message GetOnuCountersResponse {
    oneof is_intf_id {
        fixed32 intf_id = 1;
    }
    oneof is_onu_id {
        fixed32 onu_id = 2;
    }
    oneof is_positive_drift {
        fixed64 positive_drift = 3;
    }
    oneof is_negative_drift {
        fixed64 negative_drift = 4;
    }
    oneof is_delimiter_miss_detection {
        fixed64 delimiter_miss_detection = 5;
    }
    oneof is_bip_errors {
        fixed64 bip_errors = 6;
    }
    oneof is_bip_units {
        fixed64 bip_units = 7;
    }
    oneof is_fec_corrected_symbols {
        fixed64 fec_corrected_symbols = 8;
    }
    oneof is_fec_codewords_corrected {
        fixed64 fec_codewords_corrected = 9;
    }
    oneof is_fec_codewords_uncorrectable {
        fixed64 fec_codewords_uncorrectable = 10;
    }
    oneof is_fec_codewords {
        fixed64 fec_codewords = 11;
    }
    oneof is_fec_corrected_units {
        fixed64 fec_corrected_units = 12;
    }
    oneof is_xgem_key_errors {
        fixed64 xgem_key_errors = 13;
    }
    oneof is_xgem_loss {
        fixed64 xgem_loss = 14;
    }
    oneof is_rx_ploams_error {
        fixed64 rx_ploams_error = 15;
    }
    oneof is_rx_ploams_non_idle {
        fixed64 rx_ploams_non_idle = 16;
    }
    oneof is_rx_omci {
        fixed64 rx_omci = 17;
    }
    oneof is_tx_omci {
        fixed64 tx_omci = 18;
    }
    oneof is_rx_omci_packets_crc_error {
        fixed64 rx_omci_packets_crc_error = 19;
    }
    oneof is_rx_bytes {
        fixed64 rx_bytes = 20;
    }
    oneof is_rx_packets {
        fixed64 rx_packets = 21;
    }
    oneof is_tx_bytes {
        fixed64 tx_bytes = 22;
    }
    oneof is_tx_packets {
        fixed64 tx_packets = 23;
    }
    oneof is_ber_reported {
        fixed64 ber_reported = 24;
    }
    oneof is_lcdg_errors {
        fixed64 lcdg_errors = 25;
    }
    oneof is_rdi_errors {
        fixed64 rdi_errors = 26;
    }
    oneof is_timestamp {
        // reported timestamp in seconds since epoch
        fixed32 timestamp = 27;
    }
}

message OmciEthernetFrameExtendedPm {
        fixed64 drop_events = 1;
        fixed64 octets = 2;
        fixed64 frames = 3;
        fixed64 broadcast_frames = 4;
        fixed64 multicast_frames = 5;
        fixed64 crc_errored_frames = 6;
        fixed64 undersize_frames = 7;
        fixed64 oversize_frames = 8;
        fixed64 frames_64_octets = 9;
        fixed64 frames_65_to_127_octets = 10;
        fixed64 frames_128_to_255_octets = 11;
        fixed64 frames_256_to_511_octets = 12;
        fixed64 frames_512_to_1023_octets = 13;
        fixed64 frames_1024_to_1518_octets = 14;
}

message GetOmciEthernetFrameExtendedPmResponse {
    OmciEthernetFrameExtendedPm upstream = 1;
    OmciEthernetFrameExtendedPm downstream = 2;
}

message GetRxPowerResponse {
    fixed32 intf_id= 1;
    fixed32 onu_id = 2;
    string status = 3;
    string fail_reason = 4;
    double rx_power = 5;
}

message GetValueRequest {
    oneof request {
        GetDistanceRequest distance = 1;
        GetOnuUniInfoRequest uniInfo = 2;
        // Corresponds to PmMetricId.PON_PORT_COUNTERS, PmMetricId.NNI_PORT_COUNTERS 
        GetOltPortCounters oltPortInfo = 3;
        // Corresponds to PmMetricId.PON_OPTICAL
        GetOnuPonOpticalInfo onuOpticalInfo = 4;
        // Corresponds to PmMetricId.ETHERNET_BRIDGE_PORT_HISTORY
        GetOnuEthernetBridgePortHistory ethBridgePort = 5;
        // Corresponds to PmMetricId.FEC_HISTORY
        GetOnuFecHistory fecHistory = 6;
        GetOnuCountersRequest onuPonInfo = 7;
        GetOmciEthernetFrameExtendedPmRequest onuInfo = 8;
        GetRxPowerRequest rxPower = 9;
    }
}

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

    enum ErrorReason {
        REASON_UNDEFINED = 0;
        UNSUPPORTED = 1;
        INVALID_DEVICE_ID = 2;
        INVALID_PORT_TYPE = 3;
        TIMEOUT = 4;
        INVALID_REQ_TYPE = 5;
        INTERNAL_ERROR = 6;
        INVALID_DEVICE = 7;
    }
    Status status = 1;
    ErrorReason errReason = 2;

    oneof response {
        GetDistanceResponse distance = 3;
        GetOnuUniInfoResponse uniInfo = 4;
        GetOltPortCountersResponse portCoutners = 5;
        GetOnuPonOpticalInfoResponse onuOpticalInfo = 6;
        GetOnuEthernetBridgePortHistoryResponse ethBridgePortInfo = 7;
        GetOnuFecHistoryResponse fecHistory = 8;
        GetOnuCountersResponse onuPonCounters = 9;
        GetOmciEthernetFrameExtendedPmResponse onuCounters = 10;
        GetRxPowerResponse rxPower = 11;
    }
}

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);
}