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wmbusmeters/src/meters.cc

1228 wiersze
37 KiB
C++
Czysty Wina Historia

/*
Copyright (C) 2017-2021 Fredrik Öhrström
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include"config.h"
#include"meters.h"
#include"meter_detection.h"
#include"meters_common_implementation.h"
#include"units.h"
#include"wmbus.h"
#include"wmbus_utils.h"
#include<algorithm>
#include<memory.h>
#include<numeric>
#include<time.h>
#include<cmath>
struct MeterManagerImplementation : public virtual MeterManager
{
private:
bool is_daemon_ {};
vector<MeterInfo> meter_templates_;
vector<shared_ptr<Meter>> meters_;
function<void(AboutTelegram&,vector<uchar>)> on_telegram_;
function<void(Telegram*t,Meter*)> on_meter_updated_;
public:
void addMeterTemplate(MeterInfo &mi)
{
meter_templates_.push_back(mi);
}
void addMeter(shared_ptr<Meter> meter)
{
meters_.push_back(meter);
meter->setIndex(meters_.size());
meter->onUpdate(on_meter_updated_);
}
Meter *lastAddedMeter()
{
return meters_.back().get();
}
void removeAllMeters()
{
meters_.clear();
}
void forEachMeter(std::function<void(Meter*)> cb)
{
for (auto &meter : meters_)
{
cb(meter.get());
}
}
bool hasAllMetersReceivedATelegram()
{
for (auto &meter : meters_)
{
if (meter->numUpdates() == 0) return false;
}
return true;
}
bool hasMeters()
{
return meters_.size() != 0 || meter_templates_.size() != 0;
}
void warnForUnknownDriver(string name, Telegram *t)
{
int mfct = t->dll_mfct;
int media = t->dll_type;
int version = t->dll_version;
uchar *id_b = t->dll_id_b;
if (t->tpl_id_found)
{
mfct = t->tpl_mfct;
media = t->tpl_type;
version = t->tpl_version;
id_b = t->tpl_id_b;
}
warning("(meter) %s: meter detection could not find driver for "
"id: %02x%02x%02x%02x mfct: (%s) %s (0x%02x) type: %s (0x%02x) ver: 0x%02x\n",
name.c_str(),
id_b[3], id_b[2], id_b[1], id_b[0],
manufacturerFlag(mfct).c_str(),
manufacturer(mfct).c_str(),
mfct,
mediaType(media, mfct).c_str(), media,
version);
warning("(meter) please consider opening an issue at https://github.com/weetmuts/wmbusmeters/\n");
warning("(meter) to add support for this unknown mfct,media,version combination\n");
}
bool handleTelegram(AboutTelegram &about, vector<uchar> input_frame, bool simulated)
{
if (!hasMeters())
{
if (on_telegram_)
{
on_telegram_(about, input_frame);
}
return true;
}
bool handled = false;
bool exact_id_match = false;
string ids;
for (auto &m : meters_)
{
bool h = m->handleTelegram(about, input_frame, simulated, &ids, &exact_id_match);
if (h) handled = true;
}
// If not properly handled, and there was no exact id match.
// then lets check if there is a template that can create a meter for it.
if (!handled && !exact_id_match)
{
debug("(meter) no meter handled %s checking %d templates.\n", ids.c_str(), meter_templates_.size());
// Not handled, maybe we have a template to create a new meter instance for this telegram?
Telegram t;
t.about = about;
bool ok = t.parseHeader(input_frame);
if (simulated) t.markAsSimulated();
if (ok)
{
ids = t.idsc;
for (auto &mi : meter_templates_)
{
if (MeterCommonImplementation::isTelegramForMeter(&t, NULL, &mi))
{
// We found a match, make a copy of the meter info.
MeterInfo tmp = mi;
// Overwrite the wildcard pattern with the highest level id.
// The last id in the t.ids is the highest level id.
// For example: a telegram can have dll_id,tpl_id
// This will pick the tpl_id.
// Or a telegram can have a single dll_id,
// then the dll_id will be picked.
vector<string> tmp_ids;
tmp_ids.push_back(t.ids.back());
tmp.ids = tmp_ids;
tmp.idsc = t.ids.back();
if (tmp.driver == MeterDriver::AUTO)
{
// Look up the proper meter driver!
tmp.driver = pickMeterDriver(&t);
if (tmp.driver == MeterDriver::UNKNOWN)
{
warnForUnknownDriver(mi.name, &t);
}
}
// Now build a meter object with for this exact id.
auto meter = createMeter(&tmp);
addMeter(meter);
string idsc = toIdsCommaSeparated(t.ids);
verbose("(meter) used meter template %s %s %s to match %s\n",
mi.name.c_str(),
mi.idsc.c_str(),
toString(mi.driver).c_str(),
idsc.c_str());
if (is_daemon_)
{
notice("(wmbusmeters) started meter %d (%s %s %s)\n",
meter->index(),
mi.name.c_str(),
tmp.idsc.c_str(),
toString(mi.driver).c_str());
}
else
{
verbose("(meter) started meter %d (%s %s %s)\n",
meter->index(),
mi.name.c_str(),
tmp.idsc.c_str(),
toString(mi.driver).c_str());
}
bool match = false;
bool h = meter->handleTelegram(about, input_frame, simulated, &ids, &match);
if (!match)
{
// Oups, we added a new meter object tailored for this telegram
// but it still did not match! This is probably an error in wmbusmeters!
warning("(meter) newly created meter (%s %s %s) did not match telegram! ",
"Please open an issue at https://github.com/weetmuts/wmbusmeters/\n",
meter->name().c_str(), meter->idsc().c_str(), toString(meter->driver()).c_str());
}
else if (!h)
{
// Oups, we added a new meter object tailored for this telegram
// but it still did not handle it! This can happen if the wrong
// decryption key was used.
warning("(meter) newly created meter (%s %s %s) did not handle telegram!\n",
meter->name().c_str(), meter->idsc().c_str(), toString(meter->driver()).c_str());
}
else
{
handled = true;
}
}
}
}
}
if (isVerboseEnabled() && !handled)
{
verbose("(wmbus) telegram from %s ignored by all configured meters!\n", ids.c_str());
}
return handled;
}
void onTelegram(function<void(AboutTelegram &about, vector<uchar>)> cb)
{
on_telegram_ = cb;
}
void whenMeterUpdated(std::function<void(Telegram*t,Meter*)> cb)
{
on_meter_updated_ = cb;
}
void pollMeters(shared_ptr<BusManager> bus)
{
for (auto &m : meters_)
{
m->poll(bus);
}
}
MeterManagerImplementation(bool daemon) : is_daemon_(daemon) {}
~MeterManagerImplementation() {}
};
shared_ptr<MeterManager> createMeterManager(bool daemon)
{
return shared_ptr<MeterManager>(new MeterManagerImplementation(daemon));
}
MeterCommonImplementation::MeterCommonImplementation(MeterInfo &mi,
MeterDriver driver) :
driver_(driver), bus_(mi.bus), name_(mi.name)
{
ids_ = mi.ids;
idsc_ = toIdsCommaSeparated(ids_);
if (mi.key.length() > 0)
{
hex2bin(mi.key, &meter_keys_.confidentiality_key);
}
for (auto s : mi.shells) {
addShell(s);
}
for (auto j : mi.extra_constant_fields) {
addExtraConstantField(j);
}
}
void MeterCommonImplementation::addConversions(std::vector<Unit> cs)
{
for (Unit c : cs)
{
conversions_.push_back(c);
}
}
void MeterCommonImplementation::addShell(string cmdline)
{
shell_cmdlines_.push_back(cmdline);
}
void MeterCommonImplementation::addExtraConstantField(string ecf)
{
extra_constant_fields_.push_back(ecf);
}
vector<string> &MeterCommonImplementation::shellCmdlines()
{
return shell_cmdlines_;
}
vector<string> &MeterCommonImplementation::meterExtraConstantFields()
{
return extra_constant_fields_;
}
MeterDriver MeterCommonImplementation::driver()
{
return driver_;
}
void MeterCommonImplementation::addLinkMode(LinkMode lm)
{
link_modes_.addLinkMode(lm);
}
void MeterCommonImplementation::addPrint(string vname, Quantity vquantity,
function<double(Unit)> getValueFunc, string help, bool field, bool json)
{
string default_unit = unitToStringLowerCase(defaultUnitForQuantity(vquantity));
string field_name = vname+"_"+default_unit;
fields_.push_back(field_name);
prints_.push_back( { vname, vquantity, defaultUnitForQuantity(vquantity), getValueFunc, NULL, help, field, json, field_name });
}
void MeterCommonImplementation::addPrint(string vname, Quantity vquantity, Unit unit,
function<double(Unit)> getValueFunc, string help, bool field, bool json)
{
string default_unit = unitToStringLowerCase(defaultUnitForQuantity(vquantity));
string field_name = vname+"_"+default_unit;
fields_.push_back(field_name);
prints_.push_back( { vname, vquantity, unit, getValueFunc, NULL, help, field, json, field_name });
}
void MeterCommonImplementation::addPrint(string vname, Quantity vquantity,
function<string()> getValueFunc,
string help, bool field, bool json)
{
prints_.push_back( { vname, vquantity, defaultUnitForQuantity(vquantity), NULL, getValueFunc, help, field, json, vname } );
}
void MeterCommonImplementation::poll(shared_ptr<BusManager> bus)
{
}
vector<string>& MeterCommonImplementation::ids()
{
return ids_;
}
string MeterCommonImplementation::idsc()
{
return idsc_;
}
vector<string> MeterCommonImplementation::fields()
{
return fields_;
}
vector<Print> MeterCommonImplementation::prints()
{
return prints_;
}
string MeterCommonImplementation::name()
{
return name_;
}
void MeterCommonImplementation::onUpdate(function<void(Telegram*,Meter*)> cb)
{
on_update_.push_back(cb);
}
int MeterCommonImplementation::numUpdates()
{
return num_updates_;
}
string MeterCommonImplementation::datetimeOfUpdateHumanReadable()
{
char datetime[40];
memset(datetime, 0, sizeof(datetime));
strftime(datetime, 20, "%Y-%m-%d %H:%M.%S", localtime(&datetime_of_update_));
return string(datetime);
}
string MeterCommonImplementation::datetimeOfUpdateRobot()
{
char datetime[40];
memset(datetime, 0, sizeof(datetime));
// This is the date time in the Greenwich timezone (Zulu time), dont get surprised!
strftime(datetime, sizeof(datetime), "%FT%TZ", gmtime(&datetime_of_update_));
return string(datetime);
}
string MeterCommonImplementation::unixTimestampOfUpdate()
{
char ut[40];
memset(ut, 0, sizeof(ut));
snprintf(ut, sizeof(ut)-1, "%zu", datetime_of_update_);
return string(ut);
}
bool needsPolling(MeterDriver d)
{
#define X(mname,linkmodes,info,driver,cname) if (d == MeterDriver::driver && 0 != ((linkmodes) & MBUS_bit)) return true;
LIST_OF_METERS
#undef X
return false;
}
string toString(MeterDriver mt)
{
#define X(mname,link,info,type,cname) if (mt == MeterDriver::type) return #mname;
LIST_OF_METERS
#undef X
return "unknown";
}
MeterDriver toMeterDriver(string& t)
{
#define X(mname,linkmodes,info,type,cname) if (t == #mname) return MeterDriver::type;
LIST_OF_METERS
#undef X
return MeterDriver::UNKNOWN;
}
LinkModeSet toMeterLinkModeSet(string& t)
{
#define X(mname,linkmodes,info,type,cname) if (t == #mname) return LinkModeSet(linkmodes);
LIST_OF_METERS
#undef X
return LinkModeSet();
}
LinkModeSet toMeterLinkModeSet(MeterDriver d)
{
#define X(mname,linkmodes,info,driver,cname) if (d == MeterDriver::driver) return LinkModeSet(linkmodes);
LIST_OF_METERS
#undef X
return LinkModeSet();
}
bool MeterCommonImplementation::isTelegramForMeter(Telegram *t, Meter *meter, MeterInfo *mi)
{
string name;
vector<string> ids;
string idsc;
MeterDriver driver;
assert((meter && !mi) ||
(!meter && mi));
if (meter)
{
name = meter->name();
ids = meter->ids();
idsc = meter->idsc();
driver = meter->driver();
}
else
{
name = mi->name;
ids = mi->ids;
idsc = mi->idsc;
driver = mi->driver;
}
debug("(meter) %s: for me? %s in %s\n", name.c_str(), t->idsc.c_str(), idsc.c_str());
bool used_wildcard = false;
bool id_match = doesIdsMatchExpressions(t->ids, ids, &used_wildcard);
if (!id_match) {
// The id must match.
debug("(meter) %s: not for me: not my id\n", name.c_str());
return false;
}
bool valid_driver = isMeterDriverValid(driver, t->dll_mfct, t->dll_type, t->dll_version);
if (!valid_driver && t->tpl_id_found)
{
valid_driver = isMeterDriverValid(driver, t->tpl_mfct, t->tpl_type, t->tpl_version);
}
if (!valid_driver && driver != MeterDriver::AUTO)
{
// Are we using the right driver? Perhaps not since
// this particular driver, mfct, media, version combo
// is not registered in the METER_DETECTION list in meters.h
if (used_wildcard)
{
// The match for the id was not exact, thus the user is listening using a wildcard
// to many meters and some received matched meter telegrams are not from the right meter type,
// ie their driver does not match. Lets just ignore telegrams that probably cannot be decoded properly.
verbose("(meter) ignoring telegram from %s since it matched a wildcard id rule but driver does not match.\n",
t->idsc.c_str());
return false;
}
// The match was exact, ie the user has actually specified 12345678 and foo as driver even
// though they do not match. Lets warn and then proceed. It is common that a user tries a
// new version of a meter with the old driver, thus it might not be a real error.
if (isVerboseEnabled() || isDebugEnabled() || !warned_for_telegram_before(t, t->dll_a))
{
string possible_drivers = t->autoDetectPossibleDrivers();
warning("(meter) %s: meter detection did not match the selected driver %s! correct driver is: %s\n"
"(meter) Not printing this warning agin for id: %02x%02x%02x%02x mfct: (%s) %s (0x%02x) type: %s (0x%02x) ver: 0x%02x\n",
name.c_str(),
toString(driver).c_str(),
possible_drivers.c_str(),
t->dll_id_b[3], t->dll_id_b[2], t->dll_id_b[1], t->dll_id_b[0],
manufacturerFlag(t->dll_mfct).c_str(),
manufacturer(t->dll_mfct).c_str(),
t->dll_mfct,
mediaType(t->dll_type, t->dll_mfct).c_str(), t->dll_type,
t->dll_version);
if (possible_drivers == "unknown!")
{
warning("(meter) please consider opening an issue at https://github.com/weetmuts/wmbusmeters/\n");
warning("(meter) to add support for this unknown mfct,media,version combination\n");
}
}
}
debug("(meter) %s: yes for me\n", name.c_str());
return true;
}
MeterKeys *MeterCommonImplementation::meterKeys()
{
return &meter_keys_;
}
vector<string> MeterCommonImplementation::getRecords()
{
vector<string> recs;
for (auto& p : values_)
{
recs.push_back(p.first);
}
return recs;
}
double MeterCommonImplementation::getRecordAsDouble(string record)
{
return 0.0;
}
uint16_t MeterCommonImplementation::getRecordAsUInt16(string record)
{
return 0;
}
int MeterCommonImplementation::index()
{
return index_;
}
void MeterCommonImplementation::setIndex(int i)
{
index_ = i;
}
string MeterCommonImplementation::bus()
{
return bus_;
}
void MeterCommonImplementation::triggerUpdate(Telegram *t)
{
datetime_of_update_ = time(NULL);
num_updates_++;
for (auto &cb : on_update_) if (cb) cb(t, this);
t->handled = true;
}
string concatAllFields(Meter *m, Telegram *t, char c, vector<Print> &prints, vector<Unit> &cs, bool hr,
vector<string> *added_fields, vector<string> *extra_constant_fields)
{
string s;
s = "";
s += m->name() + c;
if (t->ids.size() > 0)
{
s += t->ids.back() + c;
}
else
{
s += c;
}
for (Print p : prints)
{
if (p.field)
{
if (p.getValueDouble)
{
Unit u = replaceWithConversionUnit(p.default_unit, cs);
double v = p.getValueDouble(u);
if (hr) {
s += valueToString(v, u);
s += " "+unitToStringHR(u);
} else {
s += to_string(v);
}
}
if (p.getValueString)
{
s += p.getValueString();
}
s += c;
}
}
s += m->datetimeOfUpdateHumanReadable();
return s;
}
string findField(string key, vector<string> *extra_constant_fields)
{
key = key+"=";
for (string ecf : *extra_constant_fields)
{
if (startsWith(ecf, key))
{
return ecf.substr(key.length());
}
}
return "";
}
// Is the desired field one of the fields common to all meters and telegrams?
bool checkCommonField(string *buf, string field, Meter *m, Telegram *t, char c)
{
if (field == "name")
{
*buf += m->name() + c;
return true;
}
if (field == "id")
{
*buf += t->ids.back() + c;
return true;
}
if (field == "timestamp")
{
*buf += m->datetimeOfUpdateHumanReadable() + c;
return true;
}
if (field == "timestamp_lt")
{
*buf += m->datetimeOfUpdateHumanReadable() + c;
return true;
}
if (field == "timestamp_utc")
{
*buf += m->datetimeOfUpdateRobot() + c;
return true;
}
if (field == "timestamp_ut")
{
*buf += m->unixTimestampOfUpdate() + c;
return true;
}
if (field == "device")
{
*buf += t->about.device + c;
return true;
}
if (field == "rssi_dbm")
{
*buf += to_string(t->about.rssi_dbm) + c;
return true;
}
return false;
}
// Is the desired field one of the meter printable fields?
bool checkPrintableField(string *buf, string field, Meter *m, Telegram *t, char c,
vector<Print> &prints, vector<Unit> &cs)
{
for (Print p : prints)
{
if (p.getValueString)
{
// Strings are simply just print them.
if (field == p.vname)
{
*buf += p.getValueString() + c;
return true;
}
}
else if (p.getValueDouble)
{
// Doubles have to be converted into the proper unit.
string default_unit = unitToStringLowerCase(p.default_unit);
string var = p.vname+"_"+default_unit;
if (field == var)
{
// Default unit.
*buf += valueToString(p.getValueDouble(p.default_unit), p.default_unit) + c;
return true;
}
else
{
// Added conversion unit.
Unit u = replaceWithConversionUnit(p.default_unit, cs);
if (u != p.default_unit)
{
string unit = unitToStringLowerCase(u);
string var = p.vname+"_"+unit;
if (field == var)
{
*buf += valueToString(p.getValueDouble(u), u) + c;
return true;
}
}
}
}
}
return false;
}
// Is the desired field one of the constant fields?
bool checkConstantField(string *buf, string field, char c, vector<string> *extra_constant_fields)
{
// Ok, lets look for extra constant fields and print any such static information.
string v = findField(field, extra_constant_fields);
if (v != "")
{
*buf += v + c;
return true;
}
return false;
}
string concatFields(Meter *m, Telegram *t, char c, vector<Print> &prints, vector<Unit> &cs, bool hr,
vector<string> *selected_fields, vector<string> *added_fields, vector<string> *extra_constant_fields)
{
if (selected_fields == NULL || selected_fields->size() == 0)
{
return concatAllFields(m, t, c, prints, cs, hr, added_fields, extra_constant_fields);
}
string buf = "";
for (string field : *selected_fields)
{
bool handled = checkCommonField(&buf, field, m, t, c);
if (handled) continue;
handled = checkPrintableField(&buf, field, m, t, c, prints, cs);
if (handled) continue;
handled = checkConstantField(&buf, field, c, extra_constant_fields);
if (handled) continue;
if (!handled)
{
buf += "?"+field+"?"+c;
}
}
if (buf.back() == c) buf.pop_back();
return buf;
}
bool MeterCommonImplementation::handleTelegram(AboutTelegram &about, vector<uchar> input_frame, bool simulated, string *ids, bool *id_match)
{
Telegram t;
t.about = about;
bool ok = t.parseHeader(input_frame);
if (simulated) t.markAsSimulated();
*ids = t.idsc;
if (!ok || !isTelegramForMeter(&t, this, NULL))
{
// This telegram is not intended for this meter.
return false;
}
*id_match = true;
verbose("(meter) %s %s handling telegram from %s\n", name().c_str(), meterDriver().c_str(), t.ids.back().c_str());
if (isDebugEnabled())
{
string msg = bin2hex(input_frame);
debug("(meter) %s %s \"%s\"\n", name().c_str(), t.ids.back().c_str(), msg.c_str());
}
ok = t.parse(input_frame, &meter_keys_, true);
if (!ok)
{
// Ignoring telegram since it could not be parsed.
return false;
}
char log_prefix[256];
snprintf(log_prefix, 255, "(%s) log", meterDriver().c_str());
logTelegram(t.original, t.frame, t.header_size, t.suffix_size);
// Invoke meter specific parsing!
processContent(&t);
// All done....
if (isDebugEnabled())
{
char log_prefix[256];
snprintf(log_prefix, 255, "(%s)", meterDriver().c_str());
t.explainParse(log_prefix, 0);
}
triggerUpdate(&t);
return true;
}
void MeterCommonImplementation::printMeter(Telegram *t,
string *human_readable,
string *fields, char separator,
string *json,
vector<string> *envs,
vector<string> *extra_constant_fields,
vector<string> *selected_fields,
vector<string> *added_fields)
{
*human_readable = concatFields(this, t, '\t', prints_, conversions_, true, selected_fields, added_fields, extra_constant_fields);
*fields = concatFields(this, t, separator, prints_, conversions_, false, selected_fields, added_fields, extra_constant_fields);
string media;
if (t->tpl_id_found)
{
media = mediaTypeJSON(t->tpl_type, t->tpl_mfct);
}
else if (t->ell_id_found)
{
media = mediaTypeJSON(t->ell_type, t->ell_mfct);
}
else
{
media = mediaTypeJSON(t->dll_type, t->dll_mfct);
}
string s;
s += "{";
s += "\"media\":\""+media+"\",";
s += "\"meter\":\""+meterDriver()+"\",";
s += "\"name\":\""+name()+"\",";
if (t->ids.size() > 0)
{
s += "\"id\":\""+t->ids.back()+"\",";
}
else
{
s += "\"id\":\"\",";
}
for (Print p : prints_)
{
if (p.json)
{
string default_unit = unitToStringLowerCase(p.default_unit);
string var = p.vname;
if (p.getValueString) {
s += "\""+var+"\":\""+p.getValueString()+"\",";
}
if (p.getValueDouble) {
s += "\""+var+"_"+default_unit+"\":"+valueToString(p.getValueDouble(p.default_unit), p.default_unit)+",";
Unit u = replaceWithConversionUnit(p.default_unit, conversions_);
if (u != p.default_unit)
{
string unit = unitToStringLowerCase(u);
s += "\""+var+"_"+unit+"\":"+valueToString(p.getValueDouble(u), u)+",";
}
}
}
}
s += "\"timestamp\":\""+datetimeOfUpdateRobot()+"\"";
if (t->about.device != "")
{
s += ",";
s += "\"device\":\""+t->about.device+"\",";
s += "\"rssi_dbm\":"+to_string(t->about.rssi_dbm);
}
for (string extra_field : meterExtraConstantFields())
{
s += ",";
s += makeQuotedJson(extra_field);
}
for (string extra_field : *extra_constant_fields)
{
s += ",";
s += makeQuotedJson(extra_field);
}
s += "}";
*json = s;
envs->push_back(string("METER_JSON=")+*json);
if (t->ids.size() > 0)
{
envs->push_back(string("METER_ID=")+t->ids.back());
}
else
{
envs->push_back(string("METER_ID="));
}
envs->push_back(string("METER_NAME=")+name());
envs->push_back(string("METER_MEDIA=")+media);
envs->push_back(string("METER_TYPE=")+meterDriver());
envs->push_back(string("METER_TIMESTAMP=")+datetimeOfUpdateRobot());
envs->push_back(string("METER_TIMESTAMP_UTC=")+datetimeOfUpdateRobot());
envs->push_back(string("METER_TIMESTAMP_UT=")+unixTimestampOfUpdate());
envs->push_back(string("METER_TIMESTAMP_LT=")+datetimeOfUpdateHumanReadable());
if (t->about.device != "")
{
envs->push_back(string("METER_DEVICE=")+t->about.device);
envs->push_back(string("METER_RSSI_DBM=")+to_string(t->about.rssi_dbm));
}
for (Print p : prints_)
{
if (p.json)
{
string default_unit = unitToStringUpperCase(p.default_unit);
string var = p.vname;
std::transform(var.begin(), var.end(), var.begin(), ::toupper);
if (p.getValueString) {
string envvar = "METER_"+var+"="+p.getValueString();
envs->push_back(envvar);
}
if (p.getValueDouble) {
string envvar = "METER_"+var+"_"+default_unit+"="+valueToString(p.getValueDouble(p.default_unit), p.default_unit);
envs->push_back(envvar);
Unit u = replaceWithConversionUnit(p.default_unit, conversions_);
if (u != p.default_unit)
{
string unit = unitToStringUpperCase(u);
string envvar = "METER_"+var+"_"+unit+"="+valueToString(p.getValueDouble(u), u);
envs->push_back(envvar);
}
}
}
}
// If the configuration has supplied json_address=Roodroad 123
// then the env variable METER_address will available and have the content "Roodroad 123"
for (string add_json : meterExtraConstantFields())
{
envs->push_back(string("METER_")+add_json);
}
for (string extra_field : *extra_constant_fields)
{
envs->push_back(string("METER_")+extra_field);
}
}
double WaterMeter::totalWaterConsumption(Unit u) { return -NAN; }
bool WaterMeter::hasTotalWaterConsumption() { return false; }
double WaterMeter::targetWaterConsumption(Unit u) { return -NAN; }
bool WaterMeter::hasTargetWaterConsumption() { return false; }
double WaterMeter::maxFlow(Unit u) { return -NAN; }
bool WaterMeter::hasMaxFlow() { return false; }
double WaterMeter::flowTemperature(Unit u) { return -NAN; }
bool WaterMeter::hasFlowTemperature() { return false; }
double WaterMeter::externalTemperature(Unit u) { return -NAN; }
bool WaterMeter::hasExternalTemperature() { return false; }
string WaterMeter::statusHumanReadable() { return "-NAN"; }
string WaterMeter::status() { return "-NAN"; }
string WaterMeter::timeDry() { return "-NAN"; }
string WaterMeter::timeReversed() { return "-NAN"; }
string WaterMeter::timeLeaking() { return "-NAN"; }
string WaterMeter::timeBursting() { return "-NAN"; }
double HeatMeter::totalEnergyConsumption(Unit u) { return -NAN; }
double HeatMeter::currentPeriodEnergyConsumption(Unit u) { return -NAN; }
double HeatMeter::previousPeriodEnergyConsumption(Unit u) { return -NAN; }
double HeatMeter::currentPowerConsumption(Unit u) { return -NAN; }
double HeatMeter::totalVolume(Unit u) { return -NAN; }
double ElectricityMeter::totalEnergyConsumption(Unit u) { return -NAN; }
double ElectricityMeter::totalEnergyProduction(Unit u) { return -NAN; }
double ElectricityMeter::totalReactiveEnergyConsumption(Unit u) { return -NAN; }
double ElectricityMeter::totalReactiveEnergyProduction(Unit u) { return -NAN; }
double ElectricityMeter::totalApparentEnergyConsumption(Unit u) { return -NAN; }
double ElectricityMeter::totalApparentEnergyProduction(Unit u) { return -NAN; }
double ElectricityMeter::currentPowerConsumption(Unit u) { return -NAN; }
double ElectricityMeter::currentPowerProduction(Unit u) { return -NAN; }
double HeatCostAllocationMeter::currentConsumption(Unit u) { return -NAN; }
string HeatCostAllocationMeter::setDate() { return "NAN"; }
double HeatCostAllocationMeter::consumptionAtSetDate(Unit u) { return -NAN; }
void MeterCommonImplementation::setExpectedTPLSecurityMode(TPLSecurityMode tsm)
{
expected_tpl_sec_mode_ = tsm;
}
void MeterCommonImplementation::setExpectedELLSecurityMode(ELLSecurityMode dsm)
{
expected_ell_sec_mode_ = dsm;
}
TPLSecurityMode MeterCommonImplementation::expectedTPLSecurityMode()
{
return expected_tpl_sec_mode_;
}
ELLSecurityMode MeterCommonImplementation::expectedELLSecurityMode()
{
return expected_ell_sec_mode_;
}
void detectMeterDrivers(int manufacturer, int media, int version, vector<string> *drivers)
{
#define X(TY,MA,ME,VE) { if (manufacturer == MA && (media == ME || ME == -1) && (version == VE || VE == -1)) { drivers->push_back(toString(MeterDriver::TY)); }}
METER_DETECTION
#undef X
}
bool isMeterDriverValid(MeterDriver type, int manufacturer, int media, int version)
{
#define X(TY,MA,ME,VE) { if (type == MeterDriver::TY && manufacturer == MA && (media == ME || ME == -1) && (version == VE || VE == -1)) { return true; }}
METER_DETECTION
#undef X
return false;
}
MeterDriver pickMeterDriver(Telegram *t)
{
int manufacturer = t->dll_mfct;
int media = t->dll_type;
int version = t->dll_version;
if (t->tpl_id_found)
{
manufacturer = t->tpl_mfct;
media = t->tpl_type;
version = t->tpl_version;
}
#define X(TY,MA,ME,VE) { if (manufacturer == MA && (media == ME || ME == -1) && (version == VE || VE == -1)) { return MeterDriver::TY; }}
METER_DETECTION
#undef X
return MeterDriver::UNKNOWN;
}
shared_ptr<Meter> createMeter(MeterInfo *mi)
{
shared_ptr<Meter> newm;
const char *keymsg = (mi->key[0] == 0) ? "not-encrypted" : "encrypted";
switch (mi->driver)
{
#define X(mname,link,info,driver,cname) \
case MeterDriver::driver: \
{ \
newm = create##cname(*mi); \
newm->addConversions(mi->conversions); \
verbose("(meter) created \"%s\" \"" #mname "\" \"%s\" %s\n", \
mi->name.c_str(), mi->idsc.c_str(), keymsg); \
return newm; \
} \
break;
LIST_OF_METERS
#undef X
}
return newm;
}
bool is_driver_extras(string t, MeterDriver *out_driver, string *out_extras)
{
// piigth(jump=foo)
// multical21
size_t ps = t.find('(');
size_t pe = t.find(')');
size_t te = 0; // Position after type end.
bool found_parentheses = (ps != string::npos && pe != string::npos);
if (!found_parentheses)
{
// No brackets nor parentheses found, is t a known wmbus device? like im871a amb8465 etc....
MeterDriver md = toMeterDriver(t);
if (md == MeterDriver::UNKNOWN) return false;
*out_driver = md;
*out_extras = "";
return true;
}
// Parentheses must be last.
if (! (ps > 0 && ps < pe && pe == t.length()-1)) return false;
te = ps;
string type = t.substr(0, te);
MeterDriver md = toMeterDriver(type);
if (md == MeterDriver::UNKNOWN) return false;
*out_driver = md;
string extras = t.substr(ps+1, pe-ps-1);
*out_extras = extras;
return true;
}
string MeterInfo::str()
{
string r;
r += toString(driver);
if (extras != "")
{
r += "("+extras+")";
}
r += ":";
if (bus != "") r += bus+":";
if (bps != 0) r += bps+":";
if (!link_modes.empty()) r += link_modes.hr()+":";
if (r.size() > 0) r.pop_back();
return r;
}
bool MeterInfo::parse(string n, string d, string i, string k)
{
clear();
name = n;
ids = splitMatchExpressions(i);
key = k;
bool driverextras_checked = false;
bool bus_checked = false;
bool bps_checked = false;
bool link_modes_checked = false;
// For the moment the colon : is forbidden in file names and commands.
// It cannot occur in type,fq or bps.
vector<string> parts = splitString(d, ':');
// Example piigth:MAIN:2400
// multical21:c1
// telco:BUS2:c2
// driver ( extras ) : bus_alias : bps : linkmodes
for (auto& p : parts)
{
if (!driverextras_checked && is_driver_extras(p, &driver, &extras))
{
driverextras_checked = true;
}
else if (!bus_checked && isValidAlias(p) && !isValidBps(p) && !isValidLinkModes(p))
{
driverextras_checked = true;
bus_checked = true;
bus = p;
}
else if (!bps_checked && isValidBps(p) && !isValidLinkModes(p))
{
driverextras_checked = true;
bus_checked = true;
bps_checked = true;
bps = atoi(p.c_str());
}
else if (!link_modes_checked && isValidLinkModes(p))
{
driverextras_checked = true;
bus_checked = true;
bps_checked = true;
link_modes_checked = true;
link_modes = parseLinkModes(p);
}
else
{
// Unknown part....
return false;
}
}
if (!link_modes_checked)
{
// No explicit link mode set, set to the default link modes
// that the meter can transmit on.
link_modes = toMeterLinkModeSet(driver);
}
return true;
}
bool isValidKey(string& key, MeterDriver mt)
{
if (key.length() == 0) return true;
if (key == "NOKEY") {
key = "";
return true;
}
if (mt == MeterDriver::IZAR ||
mt == MeterDriver::HYDRUS)
{
// These meters can either be OMS compatible 128 bit key (32 hex).
// Or using an older proprietary encryption with 64 bit keys (16 hex)
if (key.length() != 16 && key.length() != 32) return false;
}
else
{
// OMS compliant meters have 128 bit AES keys (32 hex).
// There is a deprecated DES mode, but I have not yet
// seen any telegram using that mode.
if (key.length() != 32) return false;
}
vector<uchar> tmp;
return hex2bin(key, &tmp);
}
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