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230 lines (181 loc) · 7.66 KB
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// matth-x/ArduinoOcpp
// Copyright Matthias Akstaller 2019 - 2023
// MIT License
#include <ArduinoOcpp/Operations/StopTransaction.h>
#include <ArduinoOcpp/Model/Model.h>
#include <ArduinoOcpp/Core/RequestStore.h>
#include <ArduinoOcpp/Model/Authorization/AuthorizationService.h>
#include <ArduinoOcpp/Model/Metering/MeteringService.h>
#include <ArduinoOcpp/Model/Metering/MeterValue.h>
#include <ArduinoOcpp/Model/Transactions/TransactionStore.h>
#include <ArduinoOcpp/Model/Transactions/Transaction.h>
#include <ArduinoOcpp/Debug.h>
using ArduinoOcpp::Ocpp16::StopTransaction;
StopTransaction::StopTransaction(Model& model, std::shared_ptr<Transaction> transaction)
: model(model), transaction(transaction) {
}
StopTransaction::StopTransaction(Model& model, std::shared_ptr<Transaction> transaction, std::vector<std::unique_ptr<ArduinoOcpp::MeterValue>> transactionData)
: model(model), transaction(transaction), transactionData(std::move(transactionData)) {
}
const char* StopTransaction::getOperationType() {
return "StopTransaction";
}
void StopTransaction::initiate(StoredOperationHandler *opStore) {
if (!transaction || transaction->getStopSync().isRequested()) {
AO_DBG_ERR("initialization error");
return;
}
auto payload = std::unique_ptr<DynamicJsonDocument>(new DynamicJsonDocument(JSON_OBJECT_SIZE(2)));
(*payload)["connectorId"] = transaction->getConnectorId();
(*payload)["txNr"] = transaction->getTxNr();
if (opStore) {
opStore->setPayload(std::move(payload));
opStore->commit();
}
transaction->getStopSync().setRequested();
transaction->commit();
AO_DBG_INFO("StopTransaction initiated");
}
bool StopTransaction::restore(StoredOperationHandler *opStore) {
if (!opStore) {
AO_DBG_ERR("invalid argument");
return false;
}
auto payload = opStore->getPayload();
if (!payload) {
AO_DBG_ERR("memory corruption");
return false;
}
int connectorId = (*payload)["connectorId"] | -1;
int txNr = (*payload)["txNr"] | -1;
if (connectorId < 0 || txNr < 0) {
AO_DBG_ERR("record incomplete");
return false;
}
auto txStore = model.getTransactionStore();
if (!txStore) {
AO_DBG_ERR("invalid state");
return false;
}
transaction = txStore->getTransaction(connectorId, txNr);
if (!transaction) {
AO_DBG_ERR("referential integrity violation");
//clean up possible tx records
if (auto mSerivce = model.getMeteringService()) {
mSerivce->removeTxMeterData(connectorId, txNr);
}
return false;
}
if (transaction->isSilent()) {
//transaction has been set silent after initializing StopTx - discard operation record
AO_DBG_WARN("tx has been set silent - discard StopTx");
//clean up possible tx records
if (auto mSerivce = model.getMeteringService()) {
mSerivce->removeTxMeterData(connectorId, txNr);
}
return false;
}
if (auto mSerivce = model.getMeteringService()) {
if (auto txData = mSerivce->getStopTxMeterData(transaction.get())) {
transactionData = txData->retrieveStopTxData();
}
}
return true;
}
std::unique_ptr<DynamicJsonDocument> StopTransaction::createReq() {
/*
* Adjust timestamps in case they were taken before initial Clock setting
*/
if (transaction->getStopTimestamp() < MIN_TIME) {
//Timestamp taken before Clock value defined. Determine timestamp
if (transaction->getStopBootNr() == model.getBootNr()) {
//possible to calculate real timestamp
Timestamp adjusted = model.getClock().adjustPrebootTimestamp(transaction->getStopTimestamp());
transaction->setStopTimestamp(adjusted);
} else if (transaction->getStartTimestamp() >= MIN_TIME) {
AO_DBG_WARN("set stopTime = startTime because correct time is not available");
transaction->setStopTimestamp(transaction->getStartTimestamp() + 1); //1s behind startTime to keep order in backend DB
} else {
AO_DBG_ERR("failed to determine StopTx timestamp");
(void)0; //send invalid value
}
}
for (auto mv = transactionData.begin(); mv != transactionData.end(); mv++) {
if ((*mv)->getTimestamp() < MIN_TIME) {
//time off. Try to adjust, otherwise send invalid value
if ((*mv)->getReadingContext() == ReadingContext::TransactionBegin) {
(*mv)->setTimestamp(transaction->getStartTimestamp());
} else if ((*mv)->getReadingContext() == ReadingContext::TransactionEnd) {
(*mv)->setTimestamp(transaction->getStopTimestamp());
} else {
(*mv)->setTimestamp(transaction->getStartTimestamp() + 1);
}
}
}
std::vector<std::unique_ptr<DynamicJsonDocument>> txDataJson;
size_t txDataJson_size = 0;
for (auto mv = transactionData.begin(); mv != transactionData.end(); mv++) {
auto mvJson = (*mv)->toJson();
if (!mvJson) {
return nullptr;
}
txDataJson_size += mvJson->capacity();
txDataJson.emplace_back(std::move(mvJson));
}
DynamicJsonDocument txDataDoc = DynamicJsonDocument(JSON_ARRAY_SIZE(txDataJson.size()) + txDataJson_size);
for (auto mvJson = txDataJson.begin(); mvJson != txDataJson.end(); mvJson++) {
txDataDoc.add(**mvJson);
}
auto doc = std::unique_ptr<DynamicJsonDocument>(new DynamicJsonDocument(
JSON_OBJECT_SIZE(6) + //total of 6 fields
(IDTAG_LEN_MAX + 1) + //stop idTag
(JSONDATE_LENGTH + 1) + //timestamp string
(REASON_LEN_MAX + 1) + //reason string
txDataDoc.capacity()));
JsonObject payload = doc->to<JsonObject>();
if (transaction->getStopIdTag() && *transaction->getStopIdTag()) {
payload["idTag"] = (char*) transaction->getStopIdTag();
}
payload["meterStop"] = transaction->getMeterStop();
char timestamp[JSONDATE_LENGTH + 1] = {'\0'};
transaction->getStopTimestamp().toJsonString(timestamp, JSONDATE_LENGTH + 1);
payload["timestamp"] = timestamp;
payload["transactionId"] = transaction->getTransactionId();
if (transaction->getStopReason() && *transaction->getStopReason()) {
payload["reason"] = (char*) transaction->getStopReason();
}
if (!transactionData.empty()) {
payload["transactionData"] = txDataDoc;
}
return doc;
}
void StopTransaction::processConf(JsonObject payload) {
if (transaction) {
transaction->getStopSync().confirm();
transaction->commit();
}
AO_DBG_INFO("Request has been accepted!");
if (auto authService = model.getAuthorizationService()) {
authService->notifyAuthorization(transaction->getIdTag(), payload["idTagInfo"]);
}
}
bool StopTransaction::processErr(const char *code, const char *description, JsonObject details) {
if (transaction) {
transaction->getStopSync().confirm(); //no retry behavior for now; consider data "arrived" at server
transaction->commit();
}
AO_DBG_ERR("Server error, data loss!");
return false;
}
void StopTransaction::processReq(JsonObject payload) {
/**
* Ignore Contents of this Req-message, because this is for debug purposes only
*/
}
std::unique_ptr<DynamicJsonDocument> StopTransaction::createConf(){
auto doc = std::unique_ptr<DynamicJsonDocument>(new DynamicJsonDocument(2 * JSON_OBJECT_SIZE(1)));
JsonObject payload = doc->to<JsonObject>();
JsonObject idTagInfo = payload.createNestedObject("idTagInfo");
idTagInfo["status"] = "Accepted";
return doc;
}