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#include "AlertNotificationService.h"
#include <hal/nrf_rtc.h>
#include <cstring>
#include <algorithm>
#include "NotificationManager.h"
#include "systemtask/SystemTask.h"
using namespace Pinetime::Controllers;
constexpr ble_uuid16_t AlertNotificationService::ansUuid;
constexpr ble_uuid16_t AlertNotificationService::ansCharUuid;
int AlertNotificationCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
auto anService = static_cast<AlertNotificationService*>(arg);
return anService->OnAlert(conn_handle, attr_handle, ctxt);
}
void AlertNotificationService::Init() {
int res;
res = ble_gatts_count_cfg(serviceDefinition);
ASSERT(res == 0);
res = ble_gatts_add_svcs(serviceDefinition);
ASSERT(res == 0);
}
AlertNotificationService::AlertNotificationService ( System::SystemTask& systemTask, NotificationManager& notificationManager )
: characteristicDefinition{
{
.uuid = (ble_uuid_t *) &ansCharUuid,
.access_cb = AlertNotificationCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE
},
{
0
}
},
serviceDefinition{
{
/* Device Information Service */
.type = BLE_GATT_SVC_TYPE_PRIMARY,
.uuid = (ble_uuid_t *) &ansUuid,
.characteristics = characteristicDefinition
},
{
0
},
}, systemTask{systemTask}, notificationManager{notificationManager} {
}
int AlertNotificationService::OnAlert(uint16_t conn_handle, uint16_t attr_handle,
struct ble_gatt_access_ctxt *ctxt) {
if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
constexpr size_t stringTerminatorSize = 1; // end of string '\0'
constexpr size_t headerSize = 3;
const auto maxMessageSize {NotificationManager::MaximumMessageSize()};
const auto maxBufferSize{maxMessageSize + headerSize};
const auto dbgPacketLen = OS_MBUF_PKTLEN(ctxt->om);
size_t bufferSize = std::min(dbgPacketLen + stringTerminatorSize, maxBufferSize);
auto messageSize = std::min(maxMessageSize, (bufferSize-headerSize));
NotificationManager::Notification notif;
os_mbuf_copydata(ctxt->om, headerSize, messageSize-1, notif.message.data());
notif.message[messageSize-1] = '\0';
notif.category = Pinetime::Controllers::NotificationManager::Categories::SimpleAlert;
notificationManager.Push(std::move(notif));
systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
}
return 0;
}
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