ref: 9196c18d376d4f18c686bcfec8550f9c8659d5ea
src/components/ble/weather/WeatherService.cpp
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/* Copyright (C) 2021 Avamander This file is part of InfiniTime. InfiniTime 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. InfiniTime 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 <https://www.gnu.org/licenses/>. */ #include <algorithm> #include <qcbor/qcbor_spiffy_decode.h> #include "WeatherService.h" #include "libs/QCBOR/inc/qcbor/qcbor.h" int WeatherCallback(uint16_t /*connHandle*/, uint16_t /*attrHandle*/, struct ble_gatt_access_ctxt* ctxt, void* arg) { return static_cast<Pinetime::Controllers::WeatherService*>(arg)->OnCommand(ctxt); } namespace Pinetime { namespace Controllers { WeatherService::WeatherService(const DateTime& dateTimeController) : dateTimeController(dateTimeController) { nullHeader = &nullTimelineheader; nullTimelineheader->timestamp = 0; } void WeatherService::Init() { uint8_t res = 0; res = ble_gatts_count_cfg(serviceDefinition); ASSERT(res == 0); res = ble_gatts_add_svcs(serviceDefinition); ASSERT(res == 0); } int WeatherService::OnCommand(struct ble_gatt_access_ctxt* ctxt) { if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) { const uint8_t packetLen = OS_MBUF_PKTLEN(ctxt->om); // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic) if (packetLen <= 0) { return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } // Decode QCBORDecodeContext decodeContext; UsefulBufC encodedCbor = {ctxt->om->om_data, OS_MBUF_PKTLEN(ctxt->om)}; // NOLINT(cppcoreguidelines-pro-bounds-pointer-arithmetic) QCBORDecode_Init(&decodeContext, encodedCbor, QCBOR_DECODE_MODE_NORMAL); // KINDLY provide us a fixed-length map QCBORDecode_EnterMap(&decodeContext, nullptr); // Always encodes to the smallest number of bytes based on the value int64_t tmpTimestamp = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Timestamp", &tmpTimestamp); if (QCBORDecode_GetError(&decodeContext) != QCBOR_SUCCESS) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } int64_t tmpExpires = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Expires", &tmpExpires); if (QCBORDecode_GetError(&decodeContext) != QCBOR_SUCCESS || tmpExpires < 0 || tmpExpires > 4294967295) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } int64_t tmpEventType = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "EventType", &tmpEventType); if (QCBORDecode_GetError(&decodeContext) != QCBOR_SUCCESS || tmpEventType < 0 || tmpEventType >= static_cast<int64_t>(WeatherData::eventtype::Length)) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } switch (static_cast<WeatherData::eventtype>(tmpEventType)) { case WeatherData::eventtype::AirQuality: { std::unique_ptr<WeatherData::AirQuality> airquality = std::make_unique<WeatherData::AirQuality>(); airquality->timestamp = tmpTimestamp; airquality->eventType = static_cast<WeatherData::eventtype>(tmpEventType); airquality->expires = tmpExpires; UsefulBufC stringBuf; // TODO: Everything ok with lifecycle here? QCBORDecode_GetTextStringInMapSZ(&decodeContext, "Polluter", &stringBuf); if (UsefulBuf_IsNULLOrEmptyC(stringBuf) != 0) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } airquality->polluter = std::string(static_cast<const char*>(stringBuf.ptr), stringBuf.len); int64_t tmpAmount = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Amount", &tmpAmount); if (tmpAmount < 0 || tmpAmount > 4294967295) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } airquality->amount = tmpAmount; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) if (!AddEventToTimeline(std::move(airquality))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Obscuration: { std::unique_ptr<WeatherData::Obscuration> obscuration = std::make_unique<WeatherData::Obscuration>(); obscuration->timestamp = tmpTimestamp; obscuration->eventType = static_cast<WeatherData::eventtype>(tmpEventType); obscuration->expires = tmpExpires; int64_t tmpType = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Type", &tmpType); if (tmpType < 0 || tmpType >= static_cast<int64_t>(WeatherData::obscurationtype::Length)) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } obscuration->type = static_cast<WeatherData::obscurationtype>(tmpType); int64_t tmpAmount = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Amount", &tmpAmount); if (tmpAmount < 0 || tmpAmount > 65535) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } obscuration->amount = tmpAmount; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) if (!AddEventToTimeline(std::move(obscuration))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Precipitation: { std::unique_ptr<WeatherData::Precipitation> precipitation = std::make_unique<WeatherData::Precipitation>(); precipitation->timestamp = tmpTimestamp; precipitation->eventType = static_cast<WeatherData::eventtype>(tmpEventType); precipitation->expires = tmpExpires; int64_t tmpType = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Type", &tmpType); if (tmpType < 0 || tmpType >= static_cast<int64_t>(WeatherData::precipitationtype::Length)) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } precipitation->type = static_cast<WeatherData::precipitationtype>(tmpType); int64_t tmpAmount = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Amount", &tmpAmount); if (tmpAmount < 0 || tmpAmount > 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } precipitation->amount = tmpAmount; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) if (!AddEventToTimeline(std::move(precipitation))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Wind: { std::unique_ptr<WeatherData::Wind> wind = std::make_unique<WeatherData::Wind>(); wind->timestamp = tmpTimestamp; wind->eventType = static_cast<WeatherData::eventtype>(tmpEventType); wind->expires = tmpExpires; int64_t tmpMin = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "SpeedMin", &tmpMin); if (tmpMin < 0 || tmpMin > 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } wind->speedMin = tmpMin; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) int64_t tmpMax = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "SpeedMin", &tmpMax); if (tmpMax < 0 || tmpMax > 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } wind->speedMax = tmpMax; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) int64_t tmpDMin = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "DirectionMin", &tmpDMin); if (tmpDMin < 0 || tmpDMin > 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } wind->directionMin = tmpDMin; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) int64_t tmpDMax = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "DirectionMax", &tmpDMax); if (tmpDMax < 0 || tmpDMax > 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } wind->directionMax = tmpDMax; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) if (!AddEventToTimeline(std::move(wind))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Temperature: { std::unique_ptr<WeatherData::Temperature> temperature = std::make_unique<WeatherData::Temperature>(); temperature->timestamp = tmpTimestamp; temperature->eventType = static_cast<WeatherData::eventtype>(tmpEventType); temperature->expires = tmpExpires; int64_t tmpTemperature = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Temperature", &tmpTemperature); if (tmpTemperature < -32768 || tmpTemperature > 32767) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } temperature->temperature = static_cast<int16_t>(tmpTemperature); // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) int64_t tmpDewPoint = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "DewPoint", &tmpDewPoint); if (tmpDewPoint < -32768 || tmpDewPoint > 32767) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } temperature->dewPoint = static_cast<int16_t>(tmpDewPoint); // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) if (!AddEventToTimeline(std::move(temperature))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Special: { std::unique_ptr<WeatherData::Special> special = std::make_unique<WeatherData::Special>(); special->timestamp = tmpTimestamp; special->eventType = static_cast<WeatherData::eventtype>(tmpEventType); special->expires = tmpExpires; int64_t tmpType = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Type", &tmpType); if (tmpType < 0 || tmpType >= static_cast<int64_t>(WeatherData::specialtype::Length)) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } special->type = static_cast<WeatherData::specialtype>(tmpType); if (!AddEventToTimeline(std::move(special))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Pressure: { std::unique_ptr<WeatherData::Pressure> pressure = std::make_unique<WeatherData::Pressure>(); pressure->timestamp = tmpTimestamp; pressure->eventType = static_cast<WeatherData::eventtype>(tmpEventType); pressure->expires = tmpExpires; int64_t tmpPressure = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Pressure", &tmpPressure); if (tmpPressure < 0 || tmpPressure >= 65535) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } pressure->pressure = tmpPressure; // NOLINT(bugprone-narrowing-conversions,cppcoreguidelines-narrowing-conversions) if (!AddEventToTimeline(std::move(pressure))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Location: { std::unique_ptr<WeatherData::Location> location = std::make_unique<WeatherData::Location>(); location->timestamp = tmpTimestamp; location->eventType = static_cast<WeatherData::eventtype>(tmpEventType); location->expires = tmpExpires; UsefulBufC stringBuf; // TODO: Everything ok with lifecycle here? QCBORDecode_GetTextStringInMapSZ(&decodeContext, "Location", &stringBuf); if (UsefulBuf_IsNULLOrEmptyC(stringBuf) != 0) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } location->location = std::string(static_cast<const char*>(stringBuf.ptr), stringBuf.len); int64_t tmpAltitude = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Altitude", &tmpAltitude); if (tmpAltitude < -32768 || tmpAltitude >= 32767) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } location->altitude = static_cast<int16_t>(tmpAltitude); int64_t tmpLatitude = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Latitude", &tmpLatitude); if (tmpLatitude < -2147483648 || tmpLatitude >= 2147483647) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } location->latitude = static_cast<int32_t>(tmpLatitude); int64_t tmpLongitude = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Longitude", &tmpLongitude); if (tmpLongitude < -2147483648 || tmpLongitude >= 2147483647) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } location->latitude = static_cast<int32_t>(tmpLongitude); if (!AddEventToTimeline(std::move(location))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Clouds: { std::unique_ptr<WeatherData::Clouds> clouds = std::make_unique<WeatherData::Clouds>(); clouds->timestamp = tmpTimestamp; clouds->eventType = static_cast<WeatherData::eventtype>(tmpEventType); clouds->expires = tmpExpires; int64_t tmpAmount = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Amount", &tmpAmount); if (tmpAmount < 0 || tmpAmount > 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } clouds->amount = static_cast<uint8_t>(tmpAmount); if (!AddEventToTimeline(std::move(clouds))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } case WeatherData::eventtype::Humidity: { std::unique_ptr<WeatherData::Humidity> humidity = std::make_unique<WeatherData::Humidity>(); humidity->timestamp = tmpTimestamp; humidity->eventType = static_cast<WeatherData::eventtype>(tmpEventType); humidity->expires = tmpExpires; int64_t tmpType = 0; QCBORDecode_GetInt64InMapSZ(&decodeContext, "Humidity", &tmpType); if (tmpType < 0 || tmpType >= 255) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } humidity->humidity = static_cast<uint8_t>(tmpType); if (!AddEventToTimeline(std::move(humidity))) { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } break; } default: { CleanUpQcbor(&decodeContext); return BLE_ATT_ERR_INVALID_ATTR_VALUE_LEN; } } QCBORDecode_ExitMap(&decodeContext); GetTimelineLength(); TidyTimeline(); if (QCBORDecode_Finish(&decodeContext) != QCBOR_SUCCESS) { return BLE_ATT_ERR_INSUFFICIENT_RES; } } else if (ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR) { // Encode uint8_t buffer[64]; QCBOREncodeContext encodeContext; /* TODO: This is very much still a test endpoint * it needs a characteristic UUID check * and actual implementations that show * what actually has to be read. * WARN: Consider commands not part of the API for now! */ QCBOREncode_Init(&encodeContext, UsefulBuf_FROM_BYTE_ARRAY(buffer)); QCBOREncode_OpenMap(&encodeContext); QCBOREncode_AddTextToMap(&encodeContext, "test", UsefulBuf_FROM_SZ_LITERAL("test")); QCBOREncode_AddInt64ToMap(&encodeContext, "test", 1ul); QCBOREncode_CloseMap(&encodeContext); UsefulBufC encodedEvent; auto uErr = QCBOREncode_Finish(&encodeContext, &encodedEvent); if (uErr != 0) { return BLE_ATT_ERR_INSUFFICIENT_RES; } auto res = os_mbuf_append(ctxt->om, &buffer, sizeof(buffer)); if (res == 0) { return BLE_ATT_ERR_INSUFFICIENT_RES; } return 0; } return 0; } std::unique_ptr<WeatherData::Clouds>& WeatherService::GetCurrentClouds() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Clouds && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Clouds>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Clouds>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Obscuration>& WeatherService::GetCurrentObscuration() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Obscuration && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Obscuration>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Obscuration>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Precipitation>& WeatherService::GetCurrentPrecipitation() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Precipitation && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Precipitation>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Precipitation>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Wind>& WeatherService::GetCurrentWind() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Wind && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Wind>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Wind>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Temperature>& WeatherService::GetCurrentTemperature() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Temperature && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Temperature>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Temperature>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Humidity>& WeatherService::GetCurrentHumidity() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Humidity && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Humidity>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Humidity>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Pressure>& WeatherService::GetCurrentPressure() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Pressure && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Pressure>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Pressure>&>(*this->nullHeader); } std::unique_ptr<WeatherData::Location>& WeatherService::GetCurrentLocation() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Location && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::Location>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::Location>&>(*this->nullHeader); } std::unique_ptr<WeatherData::AirQuality>& WeatherService::GetCurrentQuality() { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::AirQuality && IsEventStillValid(header, currentTimestamp)) { return reinterpret_cast<std::unique_ptr<WeatherData::AirQuality>&>(header); } } return reinterpret_cast<std::unique_ptr<WeatherData::AirQuality>&>(*this->nullHeader); } size_t WeatherService::GetTimelineLength() const { return timeline.size(); } bool WeatherService::AddEventToTimeline(std::unique_ptr<WeatherData::TimelineHeader> event) { if (timeline.size() == timeline.max_size()) { return false; } timeline.push_back(std::move(event)); return true; } bool WeatherService::HasTimelineEventOfType(const WeatherData::eventtype type) const { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); for (auto&& header : timeline) { if (header->eventType == type && IsEventStillValid(header, currentTimestamp)) { return true; } } return false; } void WeatherService::TidyTimeline() { uint64_t timeCurrent = GetCurrentUnixTimestamp(); timeline.erase(std::remove_if(std::begin(timeline), std::end(timeline), [&](std::unique_ptr<WeatherData::TimelineHeader> const& header) { return !IsEventStillValid(header, timeCurrent); }), std::end(timeline)); std::sort(std::begin(timeline), std::end(timeline), CompareTimelineEvents); } bool WeatherService::CompareTimelineEvents(const std::unique_ptr<WeatherData::TimelineHeader>& first, const std::unique_ptr<WeatherData::TimelineHeader>& second) { return first->timestamp > second->timestamp; } bool WeatherService::IsEventStillValid(const std::unique_ptr<WeatherData::TimelineHeader>& uniquePtr, const uint64_t timestamp) { // Not getting timestamp in isEventStillValid for more speed return uniquePtr->timestamp + uniquePtr->expires >= timestamp; } uint64_t WeatherService::GetCurrentUnixTimestamp() const { return std::chrono::duration_cast<std::chrono::seconds>(dateTimeController.CurrentDateTime().time_since_epoch()).count(); } int16_t WeatherService::GetTodayMinTemp() const { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); uint64_t currentDayEnd = currentTimestamp + ((24 - dateTimeController.Hours()) * 60 * 60) + ((60 - dateTimeController.Minutes()) * 60) + (60 - dateTimeController.Seconds()); uint64_t currentDayStart = currentDayEnd - 86400; int16_t result = -32768; for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Temperature && header->timestamp >= currentDayStart && header->timestamp < currentDayEnd && reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature != -32768) { int16_t temperature = reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature; if (result == -32768) { result = temperature; } else if (result > temperature) { result = temperature; } else { // The temperature in this item is higher than the lowest we've found } } } return result; } int16_t WeatherService::GetTodayMaxTemp() const { uint64_t currentTimestamp = GetCurrentUnixTimestamp(); uint64_t currentDayEnd = currentTimestamp + ((24 - dateTimeController.Hours()) * 60 * 60) + ((60 - dateTimeController.Minutes()) * 60) + (60 - dateTimeController.Seconds()); uint64_t currentDayStart = currentDayEnd - 86400; int16_t result = -32768; for (auto&& header : this->timeline) { if (header->eventType == WeatherData::eventtype::Temperature && header->timestamp >= currentDayStart && header->timestamp < currentDayEnd && reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature != -32768) { int16_t temperature = reinterpret_cast<const std::unique_ptr<WeatherData::Temperature>&>(header)->temperature; if (result == -32768) { result = temperature; } else if (result < temperature) { result = temperature; } else { // The temperature in this item is lower than the highest we've found } } } return result; } void WeatherService::CleanUpQcbor(QCBORDecodeContext* decodeContext) { QCBORDecode_ExitMap(decodeContext); QCBORDecode_Finish(decodeContext); } } } |