void LevinProtocol::sendReply(uint32_t command, const BinaryArray& out, int32_t returnCode) {
bucket_head2 head = { 0 };
head.m_signature = LEVIN_SIGNATURE;
head.m_cb = out.size();
head.m_have_to_return_data = false;
head.m_command = command;
head.m_protocol_version = LEVIN_PROTOCOL_VER_1;
head.m_flags = LEVIN_PACKET_RESPONSE;
head.m_return_code = returnCode;
BinaryArray writeBuffer;
writeBuffer.reserve(sizeof(head) + out.size());
Common::VectorOutputStream stream(writeBuffer);
stream.writeSome(&head, sizeof(head));
stream.writeSome(out.data(), out.size());
writeStrict(writeBuffer.data(), writeBuffer.size());
}
void LevinProtocol::sendMessage(uint32_t command, const BinaryArray& out, bool needResponse) {
bucket_head2 head = { 0 };
head.m_signature = LEVIN_SIGNATURE;
head.m_cb = out.size();
head.m_have_to_return_data = needResponse;
head.m_command = command;
head.m_protocol_version = LEVIN_PROTOCOL_VER_1;
head.m_flags = LEVIN_PACKET_REQUEST;
// write header and body in one operation
BinaryArray writeBuffer;
writeBuffer.reserve(sizeof(head) + out.size());
Common::VectorOutputStream stream(writeBuffer);
stream.writeSome(&head, sizeof(head));
stream.writeSome(out.data(), out.size());
writeStrict(writeBuffer.data(), writeBuffer.size());
}