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// matth-x/ArduinoOcpp
// Copyright Matthias Akstaller 2019 - 2023
// MIT License
#include <ArduinoOcpp/Operations/StartTransaction.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/Transactions/TransactionStore.h>
#include <ArduinoOcpp/Model/Transactions/Transaction.h>
#include <ArduinoOcpp/Debug.h>
using ArduinoOcpp::Ocpp16::StartTransaction;
StartTransaction::StartTransaction(Model& model, std::shared_ptr<Transaction> transaction) : model(model), transaction(transaction) {
}
StartTransaction::~StartTransaction() {
}
const char* StartTransaction::getOperationType() {
return "StartTransaction";
}
void StartTransaction::initiate(StoredOperationHandler *opStore) {
if (!transaction || transaction->getStartSync().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->getStartSync().setRequested();
transaction->commit();
AO_DBG_INFO("StartTransaction initiated");
}
bool StartTransaction::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->getStartTimestamp() < MIN_TIME &&
transaction->getStartBootNr() != model.getBootNr()) {
//time not set, cannot be restored anymore -> invalid tx
AO_DBG_ERR("cannot recover tx from previus run");
//clean up possible tx records
if (auto mSerivce = model.getMeteringService()) {
mSerivce->removeTxMeterData(connectorId, txNr);
}
transaction->setSilent();
transaction->setInactive();
transaction->commit();
return false;
}
return true;
}
std::unique_ptr<DynamicJsonDocument> StartTransaction::createReq() {
auto doc = std::unique_ptr<DynamicJsonDocument>(new DynamicJsonDocument(
JSON_OBJECT_SIZE(6) +
(IDTAG_LEN_MAX + 1) +
(JSONDATE_LENGTH + 1)));
JsonObject payload = doc->to<JsonObject>();
payload["connectorId"] = transaction->getConnectorId();
payload["idTag"] = (char*) transaction->getIdTag();
payload["meterStart"] = transaction->getMeterStart();
if (transaction->getReservationId() >= 0) {
payload["reservationId"] = transaction->getReservationId();
}
if (transaction->getStartTimestamp() < MIN_TIME &&
transaction->getStartBootNr() == model.getBootNr()) {
AO_DBG_DEBUG("adjust preboot StartTx timestamp");
Timestamp adjusted = model.getClock().adjustPrebootTimestamp(transaction->getStartTimestamp());
transaction->setStartTimestamp(adjusted);
}
char timestamp[JSONDATE_LENGTH + 1] = {'\0'};
transaction->getStartTimestamp().toJsonString(timestamp, JSONDATE_LENGTH + 1);
payload["timestamp"] = timestamp;
return doc;
}
void StartTransaction::processConf(JsonObject payload) {
const char* idTagInfoStatus = payload["idTagInfo"]["status"] | "not specified";
if (!strcmp(idTagInfoStatus, "Accepted")) {
AO_DBG_INFO("Request has been accepted");
} else {
AO_DBG_INFO("Request has been denied. Reason: %s", idTagInfoStatus);
transaction->setIdTagDeauthorized();
}
int transactionId = payload["transactionId"] | -1;
transaction->setTransactionId(transactionId);
transaction->getStartSync().confirm();
transaction->commit();
if (auto authService = model.getAuthorizationService()) {
authService->notifyAuthorization(transaction->getIdTag(), payload["idTagInfo"]);
}
}
void StartTransaction::processReq(JsonObject payload) {
/**
* Ignore Contents of this Req-message, because this is for debug purposes only
*/
}
std::unique_ptr<DynamicJsonDocument> StartTransaction::createConf() {
auto doc = std::unique_ptr<DynamicJsonDocument>(new DynamicJsonDocument(JSON_OBJECT_SIZE(1) + JSON_OBJECT_SIZE(2)));
JsonObject payload = doc->to<JsonObject>();
JsonObject idTagInfo = payload.createNestedObject("idTagInfo");
idTagInfo["status"] = "Accepted";
static int uniqueTxId = 1000;
payload["transactionId"] = uniqueTxId++; //sample data for debug purpose
return doc;
}