Notifications : Fix copy when the messages is spread across multiple os_mbuf.
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cabf1168d4
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07b6812f61
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@ -105,18 +105,21 @@ int AlertNotificationClient::OnDescriptorDiscoveryEventCallback(uint16_t connect
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void AlertNotificationClient::OnNotification(ble_gap_event *event) {
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if(event->notify_rx.attr_handle == newAlertHandle) {
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static constexpr size_t stringTerminatorSize{1}; // end of string '\0'
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static constexpr size_t headerSize{3};
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constexpr size_t stringTerminatorSize = 1; // end of string '\0'
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constexpr size_t headerSize = 3;
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const auto maxMessageSize {NotificationManager::MaximumMessageSize()};
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const auto maxBufferSize{maxMessageSize + headerSize};
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size_t bufferSize = min(OS_MBUF_PKTLEN(event->notify_rx.om) + stringTerminatorSize, maxBufferSize);
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char *message = (char *)(&event->notify_rx.om[headerSize]);
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const auto dbgPacketLen = OS_MBUF_PKTLEN(event->notify_rx.om);
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size_t bufferSize = min(dbgPacketLen + stringTerminatorSize, maxBufferSize);
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auto messageSize = min(maxMessageSize, (bufferSize-headerSize));
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message[messageSize-1] = '\0';
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NotificationManager::Notification notif;
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os_mbuf_copydata(event->notify_rx.om, headerSize, messageSize-1, notif.message.data());
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notif.message[messageSize-1] = '\0';
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notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
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notificationManager.Push(std::move(notif));
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notificationManager.Push(Pinetime::Controllers::NotificationManager::Categories::SimpleAlert, message, messageSize);
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systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
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}
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}
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@ -54,18 +54,21 @@ AlertNotificationService::AlertNotificationService ( System::SystemTask& systemT
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int AlertNotificationService::OnAlert(uint16_t conn_handle, uint16_t attr_handle,
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struct ble_gatt_access_ctxt *ctxt) {
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if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
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static constexpr size_t stringTerminatorSize{1}; // end of string '\0'
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static constexpr size_t headerSize{3};
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constexpr size_t stringTerminatorSize = 1; // end of string '\0'
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constexpr size_t headerSize = 3;
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const auto maxMessageSize {NotificationManager::MaximumMessageSize()};
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const auto maxBufferSize{maxMessageSize + headerSize};
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size_t bufferSize = min(OS_MBUF_PKTLEN(ctxt->om) + stringTerminatorSize, maxBufferSize);
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char *message = (char *)(&ctxt->om->om_data[headerSize]);
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const auto dbgPacketLen = OS_MBUF_PKTLEN(ctxt->om);
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size_t bufferSize = min(dbgPacketLen + stringTerminatorSize, maxBufferSize);
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auto messageSize = min(maxMessageSize, (bufferSize-headerSize));
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message[messageSize-1] = '\0';
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NotificationManager::Notification notif;
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os_mbuf_copydata(ctxt->om, headerSize, messageSize-1, notif.message.data());
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notif.message[messageSize-1] = '\0';
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notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
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notificationManager.Push(std::move(notif));
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notificationManager.Push(Pinetime::Controllers::NotificationManager::Categories::SimpleAlert, message, messageSize);
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systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
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}
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return 0;
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@ -1,4 +1,5 @@
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#include <systemtask/SystemTask.h>
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#include <cstring>
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#include "ImmediateAlertService.h"
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#include "AlertNotificationService.h"
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@ -67,7 +68,12 @@ int ImmediateAlertService::OnAlertLevelChanged(uint16_t connectionHandle, uint16
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if(context->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
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auto alertLevel = static_cast<Levels>(context->om->om_data[0]);
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auto* alertString = ToString(alertLevel);
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notificationManager.Push(Pinetime::Controllers::NotificationManager::Categories::SimpleAlert, alertString, strlen(alertString));
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NotificationManager::Notification notif;
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std::memcpy(notif.message.data(), alertString, strlen(alertString));
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notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
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notificationManager.Push(std::move(notif));
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systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
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}
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}
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@ -7,17 +7,10 @@ using namespace Pinetime::Controllers;
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constexpr uint8_t NotificationManager::MessageSize;
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void NotificationManager::Push(Pinetime::Controllers::NotificationManager::Categories category,
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const char *message, uint8_t currentMessageSize) {
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// TODO handle edge cases on read/write index
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auto checkedSize = std::min(currentMessageSize, MessageSize);
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auto& notif = notifications[writeIndex];
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std::memcpy(notif.message.data(), message, checkedSize);
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notif.message[checkedSize] = '\0';
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notif.category = category;
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void NotificationManager::Push(NotificationManager::Notification &¬if) {
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notif.id = GetNextId();
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notif.valid = true;
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notifications[writeIndex] = std::move(notif);
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writeIndex = (writeIndex + 1 < TotalNbNotifications) ? writeIndex + 1 : 0;
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if(!empty)
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readIndex = (readIndex + 1 < TotalNbNotifications) ? readIndex + 1 : 0;
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@ -20,7 +20,7 @@ namespace Pinetime {
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};
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Notification::Id nextId {0};
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void Push(Categories category, const char* message, uint8_t messageSize);
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void Push(Notification&& notif);
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Notification GetLastNotification();
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Notification GetNext(Notification::Id id);
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Notification GetPrevious(Notification::Id id);
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