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// Copyright (c) 2017-2018, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#ifndef MONERO_DEBUG_LINK_H
#define MONERO_DEBUG_LINK_H
#include "transport.hpp"
#include "messages/messages-debug.pb.h"
namespace hw {
namespace trezor {
class DebugLink {
public:
DebugLink();
virtual ~DebugLink();
void init(std::shared_ptr<Transport> & transport);
void close();
std::shared_ptr<messages::debug::DebugLinkState> state();
void input_word(const std::string & word);
void input_button(bool button);
void input_swipe(messages::debug::DebugLinkDecision_DebugSwipeDirection direction);
void press_yes() { input_button(true); }
void press_no() { input_button(false); }
void stop();
template<class t_message=messages::debug::DebugLinkState>
std::shared_ptr<t_message> call(
const google::protobuf::Message & req,
const boost::optional<messages::MessageType> &resp_type = boost::none,
bool no_wait = false)
{
BOOST_STATIC_ASSERT(boost::is_base_of<google::protobuf::Message, t_message>::value);
m_transport->write(req);
if (no_wait){
return nullptr;
}
// Read the response
std::shared_ptr<google::protobuf::Message> msg_resp;
hw::trezor::messages::MessageType msg_resp_type;
m_transport->read(msg_resp, &msg_resp_type);
messages::MessageType required_type = resp_type ? resp_type.get() : MessageMapper::get_message_wire_number<t_message>();
if (msg_resp_type == required_type) {
return message_ptr_retype<t_message>(msg_resp);
} else if (msg_resp_type == messages::MessageType_Failure){
throw_failure_exception(dynamic_cast<messages::common::Failure*>(msg_resp.get()));
} else {
throw exc::UnexpectedMessageException(msg_resp_type, msg_resp);
}
};
private:
std::shared_ptr<Transport> m_transport;
};
}
}
#endif //MONERO_DEBUG_LINK_H
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