syntax="proto2";
import "brpc/options.proto";

package brpc;

option java_package="com.brpc";
option java_outer_classname="NsheadProto";

message NsheadMeta {
    // Returned by `MethodDescriptor::full_name'
    // Something likd "test.EchoService.Echo"
    required string full_method_name = 1;      
    
    optional int64 correlation_id = 2;
    optional int64 log_id = 3;
    optional int32 attachment_size = 4;
    optional CompressType compress_type = 5;

    optional int64 trace_id = 6;
    optional int64 span_id = 7;
    optional int64 parent_span_id = 8;

    optional bytes user_string = 9;
}
