time_update.proto

import "goby/common/protobuf/option_extensions.proto";
import "dccl/option_extensions.proto";

package goby.acomms.protobuf;

message TimeUpdateRequest
{
    option (dccl.msg).id = 0x0204;
    option (dccl.msg).max_bytes = 32;

    required int32 src = 1 [
        (dccl.field).min = 1,
        (dccl.field).max = 32,
        (dccl.field).in_head = true
    ];
    optional int32 dest = 2 [
        (dccl.field).min = 1,
        (dccl.field).max = 32,
        (dccl.field).in_head = true
    ];

    required uint64 time = 3
        [(dccl.field).codec = "_time", (dccl.field).in_head = true];

    required int32 update_time_for_id = 4 [
        (dccl.field).min = 1,
        (dccl.field).max = 32,
        (dccl.field).in_head = true
    ];
}

message TimeUpdateResponse
{
    option (dccl.msg).id = 0x0205;
    option (dccl.msg).max_bytes = 32;

    required int32 src = 1 [
        (dccl.field).min = 1,
        (dccl.field).max = 32,
        (dccl.field).in_head = true
    ];
    optional int32 dest = 2 [
        (dccl.field).min = 1,
        (dccl.field).max = 32,
        (dccl.field).in_head = true
    ];

    required uint64 time = 3 [
        (dccl.field).codec = "_time",
        (dccl.field).in_head = true,
        (dccl.field).precision = -3
    ];

    required uint64 time_of_flight_microsec = 4 [
        (dccl.field).min = 0,
        (dccl.field).max = 20000000,
        (dccl.field).precision = -3
    ];  // microsec correction applied to `time` field - good for 20 sec (about
        // 30km)

    optional int32 request_src = 5 [(dccl.field).omit = true];
}