syntax = "proto3";

package proto;

// snowflake service definition
service SnowflakeService {
	rpc Next(Snowflake.Key) returns (Snowflake.Value); // 产生下一个序号
	rpc GetUUID(Snowflake.NullRequest) returns (Snowflake.UUID); // UUID 发生器
}

message Snowflake{
	message Key {
		string name=1;
	}
	message Value {
		int64 value=1;
	}
	message NullRequest{
	}
	message UUID {
		uint64 uuid =1;
	}
}