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/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <general_test/basic_ble_test.h>
#include <shared/send_message.h>
#include "chre/util/nanoapp/ble.h"
#include "chre/util/time.h"
#include "chre_api/chre.h"
/*
* Test to check expected functionality of the CHRE BLE APIs.
*/
namespace general_test {
using chre::createBleScanFilterForKnownBeacons;
using chre::ble_constants::kNumScanFilters;
using nanoapp_testing::sendFatalFailureToHost;
namespace {
const uint32_t gFlushCookie = 0;
constexpr uint32_t kGoodReservedValue = 0;
constexpr uint8_t kMaxReportAdvertisingSid = 0x0f;
} // namespace
void testScanSessionAsync(bool supportsBatching, bool supportsFiltering) {
uint32_t reportDelayMs = supportsBatching ? 1000 : 0;
struct chreBleScanFilter filter;
chreBleGenericFilter uuidFilters[kNumScanFilters];
if (supportsFiltering) {
createBleScanFilterForKnownBeacons(filter, uuidFilters, kNumScanFilters);
}
if (!chreBleStartScanAsync(CHRE_BLE_SCAN_MODE_FOREGROUND /* mode */,
reportDelayMs,
supportsFiltering ? &filter : nullptr)) {
sendFatalFailureToHost("Failed to start a BLE scan in the foreground");
}
}
BasicBleTest::BasicBleTest()
: Test(CHRE_API_VERSION_1_7),
mFlushWasCalled(false),
mSupportsBatching(false) {}
void BasicBleTest::setUp(uint32_t messageSize, const void * /* message */) {
if (messageSize != 0) {
sendFatalFailureToHost("Expected 0 byte message, got more bytes:",
&messageSize);
}
mSupportsBatching =
isCapabilitySet(CHRE_BLE_CAPABILITIES_SCAN_RESULT_BATCHING);
mSupportsFiltering =
isFilterCapabilitySet(CHRE_BLE_FILTER_CAPABILITIES_SERVICE_DATA) &&
isFilterCapabilitySet(CHRE_BLE_FILTER_CAPABILITIES_RSSI);
if (!isCapabilitySet(CHRE_BLE_CAPABILITIES_SCAN)) {
mTestSuccessMarker.markStageAndSuccessOnFinish(BASIC_BLE_TEST_STAGE_SCAN);
mTestSuccessMarker.markStageAndSuccessOnFinish(BASIC_BLE_TEST_STAGE_FLUSH);
return;
}
testScanSessionAsync(mSupportsBatching, mSupportsFiltering);
if (!mSupportsBatching) {
mTestSuccessMarker.markStageAndSuccessOnFinish(BASIC_BLE_TEST_STAGE_FLUSH);
}
}
void BasicBleTest::handleBleAsyncResult(const chreAsyncResult *result) {
if (result == nullptr || !result->success) {
sendFatalFailureToHost("Received unsuccessful BLE async result");
}
switch (result->requestType) {
case CHRE_BLE_REQUEST_TYPE_START_SCAN:
// Wait one second to allow any advertisement events to propagate
// and be verified by handleAdvertisementEvent.
if (chreTimerSet(chre::kOneSecondInNanoseconds, nullptr, true) ==
CHRE_TIMER_INVALID) {
sendFatalFailureToHost(
"Failed to start a timer after BLE started scanning");
}
break;
case CHRE_BLE_REQUEST_TYPE_FLUSH:
if (result->cookie != &gFlushCookie) {
sendFatalFailureToHost("Cookie values do not match");
}
break;
case CHRE_BLE_REQUEST_TYPE_STOP_SCAN:
mTestSuccessMarker.markStageAndSuccessOnFinish(BASIC_BLE_TEST_STAGE_SCAN);
break;
default:
sendFatalFailureToHost("Unexpected request type");
break;
}
}
void BasicBleTest::handleAdvertisementEvent(
const chreBleAdvertisementEvent *event) {
if (event == nullptr) {
sendFatalFailureToHost("Invalid chreBleAdvertisementEvent");
} else if (event->reserved != kGoodReservedValue) {
sendFatalFailureToHost("chreBleAdvertisementEvent: reserved != 0");
} else {
for (uint16_t i = 0; i < event->numReports; ++i) {
const struct chreBleAdvertisingReport &report = event->reports[i];
if (report.advertisingSid != CHRE_BLE_ADI_NONE &&
report.advertisingSid > kMaxReportAdvertisingSid) {
sendFatalFailureToHost(
"chreBleAdvertisingReport: advertisingSid is invalid");
} else if (report.reserved != kGoodReservedValue) {
sendFatalFailureToHost("chreBleAdvertisingReport: reserved is invalid");
}
}
}
}
void BasicBleTest::handleTimerEvent() {
if (mSupportsBatching) {
if (!chreBleFlushAsync(&gFlushCookie)) {
sendFatalFailureToHost("Failed to BLE flush");
}
mFlushWasCalled = true;
} else {
if (chreBleFlushAsync(&gFlushCookie)) {
sendFatalFailureToHost(
"chreBleFlushAsync should return false if batching is not supported");
}
if (!chreBleStopScanAsync()) {
sendFatalFailureToHost("Failed to stop a BLE scan session");
}
}
}
void BasicBleTest::handleEvent(uint32_t /* senderInstanceId */,
uint16_t eventType, const void *eventData) {
switch (eventType) {
case CHRE_EVENT_BLE_ASYNC_RESULT:
handleBleAsyncResult(static_cast<const chreAsyncResult *>(eventData));
break;
case CHRE_EVENT_BLE_FLUSH_COMPLETE:
if (!mFlushWasCalled) {
sendFatalFailureToHost(
"Received CHRE_EVENT_BLE_FLUSH_COMPLETE event when "
"chreBleFlushAsync was not called");
}
if (!chreBleStopScanAsync()) {
sendFatalFailureToHost("Failed to stop a BLE scan session");
}
mTestSuccessMarker.markStageAndSuccessOnFinish(
BASIC_BLE_TEST_STAGE_FLUSH);
break;
case CHRE_EVENT_BLE_ADVERTISEMENT:
handleAdvertisementEvent(
static_cast<const chreBleAdvertisementEvent *>(eventData));
break;
case CHRE_EVENT_BLE_BATCH_COMPLETE:
// Ignore the event only if we support batching.
// Otherwise, it is an unexpected event.
if (!mSupportsBatching) {
unexpectedEvent(eventType);
}
break;
case CHRE_EVENT_TIMER:
handleTimerEvent();
break;
default:
unexpectedEvent(eventType);
break;
}
}
} // namespace general_test
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