time_update.proto

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syntax = "proto2";
import "goby/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;
    option (dccl.msg).codec_version = 3;
 
    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;
    option (dccl.msg).codec_version = 3;
 
    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];
}