//
// Copyright 2017 the original author or authors.
//
// 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";

//import "google/protobuf/empty.proto";
import "bal_obj.proto";
import "bal_model_types.proto";
import "bal_errno.proto";

message BalErr {
    BalErrno err = 1;
}

message BalDefault {
    string device_id = 1;                     /**< device id */
}

enum BalRebootStatus
{
    BAL_OLT_UP_AFTER_REBOOT               =  0;
    BAL_OLT_UP_AFTER_ACTIVATION           =  1;
    BAL_OLT_STATUS_UNKNOWN                =  2;
}

message BalRebootState {
    BalRebootStatus is_reboot = 1;
}

/**
 * BAL configuration object
 */
message BalCfg {
    BalObj hdr = 1;     // Transport header
    oneof obj {
        BalAccessTerminalCfg cfg = 2;   // Access Terminal
        BalFlowCfg flow = 3;        // Flow
        BalGroupCfg group = 4;
        BalInterfaceCfg interface = 5;
        BalPacketCfg packet = 6;
        BalSubscriberTerminalCfg terminal = 7;
        BalTmQueueCfg tm_queue_cfg = 8;
        BalTmSchedCfg tm_sched_cfg = 9;
    }
    string device_id = 10;
}

message BalInit {
    string voltha_adapter_ip_port = 1;  // IP:port of the VOLTHA Adapter
}

message BalHeartbeat {
    string device_id = 1;
}

message BalReboot {
    string device_id = 1;
}

message BalKey {
    BalObj hdr = 1;     // Transport header
    oneof obj {
        BalAccessTerminalKey access_term_key = 2;
        BalFlowKey flow_key = 3;
        BalGroupKey group_key = 4;
        BalInterfaceKey interface_key = 5;
        BalSubscriberTerminalKey terminal_key = 6;
        BalTmQueueKey tm_queue_key = 7;
        BalTmSchedKey tm_sched_key = 8;
    }
}

service Bal {
    /**
     * Initialize the BAL Public API internal data structures
     **/
    rpc BalApiInit(BalInit) returns(BalErr) {}
    /**
     * Un-initialize the BAL Public API internal data structures
     **/
    rpc BalApiFinish(BalCfg) returns(BalErr) {}
    /**
     * BAL Public API Set (or modify) command.
     *
     * Set (or modify) the specified object instance (with implicit creation
     * of dynamic objects) associated with the specified access-terminal device.
     **/
    rpc BalCfgSet(BalCfg) returns(BalErr) {}
    rpc BalCfgClear(BalKey) returns(BalErr) {}
    rpc BalCfgGet(BalKey) returns(BalCfg) {}
    rpc BalApiReboot(BalReboot) returns(BalErr) {}
    rpc BalApiHeartbeat(BalHeartbeat) returns(BalRebootState) {}
    rpc BalCfgStatGet(BalInterfaceKey) returns(BalInterfaceStat) {}
}