kopia lustrzana https://github.com/weetmuts/wmbusmeters
445 wiersze
13 KiB
C++
445 wiersze
13 KiB
C++
/*
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Copyright (C) 2017-2019 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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#include"meters.h"
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#include"meters_common_implementation.h"
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#include"units.h"
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#include"wmbus.h"
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#include"wmbus_utils.h"
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#include<algorithm>
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#include<memory.h>
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MeterCommonImplementation::MeterCommonImplementation(WMBus *bus, string& name, string& id, string& key,
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MeterType type, int manufacturer,
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LinkMode required_link_mode) :
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type_(type), name_(name), bus_(bus),
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required_link_mode_(required_link_mode)
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{
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use_aes_ = true;
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ids_ = splitIds(id);
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if (key.length() == 0) {
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use_aes_ = false;
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} else {
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hex2bin(key, &key_);
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}
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if (manufacturer) {
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manufacturers_.insert(manufacturer);
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}
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}
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void MeterCommonImplementation::addConversions(std::vector<Unit> cs)
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{
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for (Unit c : cs)
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{
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conversions_.push_back(c);
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}
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}
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MeterType MeterCommonImplementation::type()
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{
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return type_;
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}
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vector<int> MeterCommonImplementation::media()
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{
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return media_;
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}
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void MeterCommonImplementation::addMedia(int m)
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{
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media_.push_back(m);
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}
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void MeterCommonImplementation::addPrint(string vname, Quantity vquantity,
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function<double(Unit)> getValueFunc, string help, bool field, bool json)
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{
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prints_.push_back( { vname, vquantity, defaultUnitForQuantity(vquantity), getValueFunc, NULL, help, field, json });
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}
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void MeterCommonImplementation::addPrint(string vname, Quantity vquantity,
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function<string()> getValueFunc,
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string help, bool field, bool json)
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{
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prints_.push_back( { vname, vquantity, defaultUnitForQuantity(vquantity), NULL, getValueFunc, help, field, json } );
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}
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void MeterCommonImplementation::addManufacturer(int m)
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{
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manufacturers_.insert(m);
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}
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vector<string> MeterCommonImplementation::ids()
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{
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return ids_;
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}
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string MeterCommonImplementation::name()
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{
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return name_;
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}
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WMBus *MeterCommonImplementation::bus()
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{
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return bus_;
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}
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LinkMode MeterCommonImplementation::requiredLinkMode()
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{
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return required_link_mode_;
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}
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void MeterCommonImplementation::onUpdate(function<void(Telegram*,Meter*)> cb)
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{
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on_update_.push_back(cb);
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}
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int MeterCommonImplementation::numUpdates()
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{
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return num_updates_;
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}
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string MeterCommonImplementation::datetimeOfUpdateHumanReadable()
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{
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char datetime[40];
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memset(datetime, 0, sizeof(datetime));
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strftime(datetime, 20, "%Y-%m-%d %H:%M.%S", localtime(&datetime_of_update_));
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return string(datetime);
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}
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string MeterCommonImplementation::datetimeOfUpdateRobot()
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{
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char datetime[40];
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memset(datetime, 0, sizeof(datetime));
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// This is the date time in the Greenwich timezone (Zulu time), dont get surprised!
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strftime(datetime, sizeof(datetime), "%FT%TZ", gmtime(&datetime_of_update_));
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return string(datetime);
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}
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string toMeterName(MeterType mt)
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{
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#define X(mname,link,info,type,cname) if (mt == MeterType::type) return #mname;
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LIST_OF_METERS
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#undef X
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return "unknown";
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}
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MeterType toMeterType(string& t)
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{
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#define X(mname,link,info,type,cname) if (t == #mname) return MeterType::type;
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LIST_OF_METERS
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#undef X
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return MeterType::UNKNOWN;
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}
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LinkMode toMeterLinkMode(string& t)
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{
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#define X(mname,link,info,type,cname) if (t == #mname) return LinkMode::link;
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LIST_OF_METERS
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#undef X
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return LinkMode::UNKNOWN;
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}
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bool MeterCommonImplementation::isTelegramForMe(Telegram *t)
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{
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debug("(meter) %s: for me? %s\n", name_.c_str(), t->id.c_str());
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bool id_match = false;
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for (auto id : ids_)
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{
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if (id == t->id) {
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id_match = true;
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break;
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}
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if (id == "*") {
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id_match = true;
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break;
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}
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}
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if (!id_match) {
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// The id must match.
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debug("(meter) %s: not for me: not my id\n", name_.c_str());
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return false;
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}
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if (manufacturers_.count(t->m_field) == 0) {
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// We are not that strict for the manufacturer.
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// Simply warn.
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warning("(meter) %s: probably not for me since manufacturer differs\n", name_.c_str());
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}
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bool media_match = false;
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for (auto m : media_) {
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if (m == t->a_field_device_type) {
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media_match = true;
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break;
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}
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}
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if (!media_match) {
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warning("(meter) %s: probably not for me since media does not match\n", name_.c_str());
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}
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debug("(meter) %s: yes for me\n", name_.c_str());
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return true;
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}
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bool MeterCommonImplementation::useAes()
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{
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return use_aes_;
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}
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vector<uchar> MeterCommonImplementation::key()
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{
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return key_;
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}
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vector<string> MeterCommonImplementation::getRecords()
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{
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vector<string> recs;
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for (auto& p : values_)
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{
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recs.push_back(p.first);
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}
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return recs;
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}
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double MeterCommonImplementation::getRecordAsDouble(string record)
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{
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return 0.0;
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}
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uint16_t MeterCommonImplementation::getRecordAsUInt16(string record)
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{
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return 0;
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}
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void MeterCommonImplementation::triggerUpdate(Telegram *t)
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{
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datetime_of_update_ = time(NULL);
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num_updates_++;
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for (auto &cb : on_update_) if (cb) cb(t, this);
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t->handled = true;
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}
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string concatFields(Meter *m, Telegram *t, char c, vector<Print> &prints, vector<Unit> &cs, bool hr)
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{
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string s;
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s = "";
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s += m->name() + c;
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s += t->id + c;
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for (Print p : prints)
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{
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if (p.field)
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{
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if (p.getValueDouble)
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{
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Unit u = replaceWithConversionUnit(p.default_unit, cs);
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double v = p.getValueDouble(u);
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if (hr) {
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s += valueToString(v, u);
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s += " "+unitToStringHR(u);
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} else {
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s += to_string(v);
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}
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}
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if (p.getValueString)
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{
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s += p.getValueString();
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}
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s += c;
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}
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}
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s += m->datetimeOfUpdateHumanReadable();
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return s;
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}
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void MeterCommonImplementation::handleTelegram(Telegram *t)
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{
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if (!isTelegramForMe(t)) {
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// This telegram is not intended for this meter.
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return;
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}
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verbose("(%s) %s %02x%02x%02x%02x ",
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meterName().c_str(),
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name().c_str(),
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t->a_field_address[0], t->a_field_address[1], t->a_field_address[2],
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t->a_field_address[3]);
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t->expectVersion(meterName().c_str(), expectedVersion());
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if (t->isEncrypted() && !useAes() && !t->isSimulated())
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{
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warning("(%s) warning: telegram is encrypted but no key supplied!\n",
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meterName().c_str());
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}
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if (useAes()) {
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vector<uchar> aeskey = key();
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if (encryptionMode() == EncryptionMode::AES_CTR) {
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decryptMode1_AES_CTR(t, aeskey);
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}
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if (encryptionMode() == EncryptionMode::AES_CBC) {
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decryptMode1_AES_CTR(t, aeskey);
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}
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} else {
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t->content = t->payload;
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}
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char log_prefix[256];
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snprintf(log_prefix, 255, "(%s) log", meterName().c_str());
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logTelegram(log_prefix, t->parsed, t->content);
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int content_start = t->parsed.size();
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// Invoke meter specific parsing!
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processContent(t);
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// All done....
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if (isDebugEnabled())
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{
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char log_prefix[256];
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snprintf(log_prefix, 255, "(%s)", meterName().c_str());
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t->explainParse("(vario451)", content_start);
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}
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triggerUpdate(t);
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}
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void MeterCommonImplementation::printMeter(Telegram *t,
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string *human_readable,
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string *fields, char separator,
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string *json,
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vector<string> *envs)
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{
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*human_readable = concatFields(this, t, '\t', prints_, conversions_, true);
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*fields = concatFields(this, t, separator, prints_, conversions_, false);
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string s;
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s += "{";
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s += "\"media\":\""+mediaTypeJSON(t->a_field_device_type)+"\",";
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s += "\"meter\":\""+meterName()+"\",";
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s += "\"name\":\""+name()+"\",";
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s += "\"id\":\""+t->id+"\",";
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for (Print p : prints_)
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{
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if (p.json)
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{
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string default_unit = unitToStringLowerCase(p.default_unit);
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string var = p.vname;
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if (p.getValueString) {
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s += "\""+var+"\":\""+p.getValueString()+"\",";
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}
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if (p.getValueDouble) {
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s += "\""+var+"_"+default_unit+"\":"+valueToString(p.getValueDouble(p.default_unit), p.default_unit)+",";
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Unit u = replaceWithConversionUnit(p.default_unit, conversions_);
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if (u != p.default_unit)
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{
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string unit = unitToStringLowerCase(u);
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s += "\""+var+"_"+unit+"\":"+valueToString(p.getValueDouble(u), u)+",";
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}
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}
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}
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}
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s += "\"timestamp\":\""+datetimeOfUpdateRobot()+"\"";
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s += "}";
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*json = s;
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envs->push_back(string("METER_JSON=")+*json);
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envs->push_back(string("METER_TYPE=")+meterName());
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envs->push_back(string("METER_ID=")+t->id);
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for (Print p : prints_)
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{
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if (p.json)
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{
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string default_unit = unitToStringUpperCase(p.default_unit);
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string var = p.vname;
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if (p.getValueString) {
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s += "\""+var+"\":\""+p.getValueString()+"\",";
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}
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if (p.getValueDouble) {
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std::transform(var.begin(), var.end(), var.begin(), ::toupper);
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string envvar = "METER_"+var+"_"+default_unit+"="+valueToString(p.getValueDouble(p.default_unit), p.default_unit);
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envs->push_back(envvar);
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Unit u = replaceWithConversionUnit(p.default_unit, conversions_);
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if (u != p.default_unit)
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{
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string unit = unitToStringUpperCase(u);
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string envvar = "METER_"+var+"_"+unit+"="+valueToString(p.getValueDouble(u), u);
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envs->push_back(envvar);
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}
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}
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}
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}
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envs->push_back(string("METER_TIMESTAMP=")+datetimeOfUpdateRobot());
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}
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double WaterMeter::totalWaterConsumption(Unit u) { return -47.11; }
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bool WaterMeter::hasTotalWaterConsumption() { return false; }
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double WaterMeter::targetWaterConsumption(Unit u) { return -47.11; }
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bool WaterMeter::hasTargetWaterConsumption() { return false; }
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double WaterMeter::maxFlow(Unit u) { return -47.11; }
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bool WaterMeter::hasMaxFlow() { return false; }
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double WaterMeter::flowTemperature(Unit u) { return -47.11; }
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bool WaterMeter::hasFlowTemperature() { return false; }
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double WaterMeter::externalTemperature(Unit u) { return -47.11; }
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bool WaterMeter::hasExternalTemperature() { return false; }
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string WaterMeter::statusHumanReadable() { return "-47.11"; }
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string WaterMeter::status() { return "-47.11"; }
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string WaterMeter::timeDry() { return "-47.11"; }
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string WaterMeter::timeReversed() { return "-47.11"; }
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string WaterMeter::timeLeaking() { return "-47.11"; }
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string WaterMeter::timeBursting() { return "-47.11"; }
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double HeatMeter::totalEnergyConsumption(Unit u) { return -47.11; }
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double HeatMeter::currentPeriodEnergyConsumption(Unit u) { return -47.11; }
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double HeatMeter::previousPeriodEnergyConsumption(Unit u) { return -47.11; }
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double HeatMeter::currentPowerConsumption(Unit u) { return -47.11; }
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double HeatMeter::totalVolume(Unit u) { return -47.11; }
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double ElectricityMeter::totalEnergyConsumption() { return -47.11; }
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double ElectricityMeter::currentPowerConsumption() { return -47.11; }
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double ElectricityMeter::totalEnergyProduction() { return -47.11; }
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double ElectricityMeter::currentPowerProduction() { return -47.11; }
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double HeatCostMeter::currentConsumption() { return -47.11; }
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string HeatCostMeter::setDate() { return "47.11"; }
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double HeatCostMeter::consumptionAtSetDate() { return -47.11; }
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void MeterCommonImplementation::setEncryptionMode(EncryptionMode em)
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{
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enc_mode_ = em;
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}
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EncryptionMode MeterCommonImplementation::encryptionMode()
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{
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return enc_mode_;
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}
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void MeterCommonImplementation::setExpectedVersion(int version)
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{
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expected_meter_version_ = version;
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}
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int MeterCommonImplementation::expectedVersion()
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{
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return expected_meter_version_;
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}
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