kopia lustrzana https://github.com/weetmuts/wmbusmeters
77 wiersze
2.9 KiB
C++
77 wiersze
2.9 KiB
C++
/*
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Copyright (C) 2020 Fredrik Öhrström
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef WMBUS_UTILS_H
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#define WMBUS_UTILS_H
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#include "util.h"
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#include "wmbus.h"
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bool decrypt_ELL_AES_CTR(Telegram *t, vector<uchar> &frame, vector<uchar>::iterator &pos, vector<uchar> &aeskey);
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bool decrypt_TPL_AES_CBC_IV(Telegram *t, vector<uchar> &frame, vector<uchar>::iterator &pos, vector<uchar> &aeskey);
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bool decrypt_TPL_AES_CBC_NO_IV(Telegram *t, vector<uchar> &frame, vector<uchar>::iterator &pos, vector<uchar> &aeskey);
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string frameTypeKamstrupC1(int ft);
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struct WMBusCommonImplementation : public virtual WMBus
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{
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WMBusCommonImplementation(WMBusDeviceType t, SerialCommunicationManager *manager, unique_ptr<SerialDevice> serial_override);
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~WMBusCommonImplementation();
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WMBusDeviceType type();
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void onTelegram(function<bool(vector<uchar>)> cb);
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bool handleTelegram(vector<uchar> frame);
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void checkStatus();
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bool isWorking();
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void setTimeout(int seconds, std::string expected_activity);
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void setLinkModes(LinkModeSet lms);
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void disconnectedFromDevice();
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bool reset();
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SerialDevice *serial() { if (serial_) return serial_.get(); else return NULL; }
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string device() { if (serial_) return serial_->device(); else return "?"; }
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protected:
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SerialCommunicationManager *manager_ {};
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void protocolErrorDetected();
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void resetProtocolErrorCount();
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bool areLinkModesConfigured();
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// Device specific set link modes implementation.
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virtual void deviceSetLinkModes(LinkModeSet lms) = 0;
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// Device specific reset code, apart from serial->open and setLinkModes.
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virtual void deviceReset() = 0;
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LinkModeSet protectedGetLinkModes(); // Used to read private link_modes_ in subclass.
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private:
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bool is_working_ {};
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vector<function<bool(vector<uchar>)>> telegram_listeners_;
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// vector<unique_ptr<Meter>> *meters_;
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WMBusDeviceType type_ {};
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int protocol_error_count_ {};
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time_t timeout_ {}; // If longer silence than timeout, then reset dongle! It might have hanged!
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string expected_activity_ {}; // During which times should we care about timeouts?
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time_t last_received_ {}; // When as the last telegram reception?
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time_t last_reset_ {}; // When did we last attempt a reset of the dongle?
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bool link_modes_configured_ {};
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LinkModeSet link_modes_ {};
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unique_ptr<SerialDevice> serial_;
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};
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#endif
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