syntax = "proto3";

option java_package = "com.mediamanager.protocol";
option java_outer_classname = "TestProtocol";

package mediamanager.test;

message EchoCommand {
  string message = 1;
}

message EchoResponse {
  string message = 1;
  int64 server_timestamp = 2;
}

message HeartbeatCommand {
  int64 client_timestamp = 1;
}

message HeartbeatResponse {
  int64 client_timestamp = 1;
  int64 server_timestamp = 2;
}
message CloseCommand {
  // Vazio - apenas sinaliza fechamento
}
message CloseResponse {
  string message = 1;
}