Add default Bluetooth HAL implementation
Also added initial target-side functional test.
Test: bluetooth_hidl_hal_test
Bug: 31972505
Change-Id: I1f574a5b2b53d7fbf65dbb4e1aaa5f8b6c5a9448
diff --git a/bluetooth/1.0/vts/functional/Android.bp b/bluetooth/1.0/vts/functional/Android.bp
new file mode 100644
index 0000000..7d04736
--- /dev/null
+++ b/bluetooth/1.0/vts/functional/Android.bp
@@ -0,0 +1,41 @@
+//
+// Copyright (C) 2016 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.
+//
+
+cc_test {
+ name: "bluetooth_hidl_hal_test",
+ gtest: true,
+ srcs: ["bluetooth_hidl_hal_test.cpp"],
+ shared_libs: [
+ "libbase",
+ "liblog",
+ "libcutils",
+ "libhidlbase",
+ "libhidltransport",
+ "libhwbinder",
+ "libnativehelper",
+ "libutils",
+ "android.hardware.bluetooth@1.0",
+ ],
+ static_libs: ["libgtest"],
+ cflags: [
+ "--coverage",
+ "-O0",
+ "-g",
+ ],
+ ldflags: [
+ "--coverage",
+ ],
+}
diff --git a/bluetooth/1.0/vts/functional/bluetooth_hidl_hal_test.cpp b/bluetooth/1.0/vts/functional/bluetooth_hidl_hal_test.cpp
new file mode 100644
index 0000000..b05e22b
--- /dev/null
+++ b/bluetooth/1.0/vts/functional/bluetooth_hidl_hal_test.cpp
@@ -0,0 +1,692 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#define LOG_TAG "bluetooth_hidl_hal_test"
+#include <android-base/logging.h>
+
+#include <android/hardware/bluetooth/1.0/IBluetoothHci.h>
+#include <android/hardware/bluetooth/1.0/IBluetoothHciCallbacks.h>
+#include <android/hardware/bluetooth/1.0/types.h>
+#include <hardware/bluetooth.h>
+#include <hwbinder/ProcessState.h>
+#include <utils/Log.h>
+
+#include <gtest/gtest.h>
+#include <condition_variable>
+#include <mutex>
+#include <queue>
+
+using ::android::hardware::bluetooth::V1_0::IBluetoothHci;
+using ::android::hardware::bluetooth::V1_0::IBluetoothHciCallbacks;
+using ::android::hardware::bluetooth::V1_0::Status;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+#define Bluetooth_HCI_SERVICE_NAME "bluetooth"
+
+#define HCI_MINIMUM_HCI_VERSION 5 // Bluetooth Core Specification 3.0 + HS
+#define HCI_MINIMUM_LMP_VERSION 5 // Bluetooth Core Specification 3.0 + HS
+#define NUM_HCI_COMMANDS_BANDWIDTH 1000
+#define NUM_SCO_PACKETS_BANDWIDTH 1000
+#define NUM_ACL_PACKETS_BANDWIDTH 1000
+#define WAIT_FOR_HCI_EVENT_TIMEOUT std::chrono::milliseconds(2000)
+#define WAIT_FOR_SCO_DATA_TIMEOUT std::chrono::milliseconds(1000)
+#define WAIT_FOR_ACL_DATA_TIMEOUT std::chrono::milliseconds(1000)
+
+#define COMMAND_HCI_SHOULD_BE_UNKNOWN \
+ { 0xff, 0x3B, 0x08, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 }
+#define COMMAND_HCI_READ_LOCAL_VERSION_INFORMATION \
+ { 0x01, 0x10, 0x00 }
+#define COMMAND_HCI_READ_BUFFER_SIZE \
+ { 0x05, 0x10, 0x00 }
+#define COMMAND_HCI_WRITE_LOOPBACK_MODE_LOCAL \
+ { 0x02, 0x18, 0x01, 0x01 }
+#define COMMAND_HCI_RESET \
+ { 0x03, 0x0c, 0x00 }
+#define COMMAND_HCI_WRITE_LOCAL_NAME \
+ { 0x13, 0x0c, 0xf8 }
+#define HCI_STATUS_SUCCESS 0x00
+#define HCI_STATUS_UNKNOWN_HCI_COMMAND 0x01
+
+#define EVENT_CONNECTION_COMPLETE 0x03
+#define EVENT_COMMAND_COMPLETE 0x0e
+#define EVENT_COMMAND_STATUS 0x0f
+#define EVENT_NUMBER_OF_COMPLETED_PACKETS 0x13
+#define EVENT_LOOPBACK_COMMAND 0x19
+
+#define EVENT_CODE_BYTE 0
+#define EVENT_LENGTH_BYTE 1
+#define EVENT_FIRST_PAYLOAD_BYTE 2
+#define EVENT_COMMAND_STATUS_STATUS_BYTE 2
+#define EVENT_COMMAND_STATUS_ALLOWED_PACKETS_BYTE 3
+#define EVENT_COMMAND_STATUS_OPCODE_LSBYTE 4 // Bytes 4 and 5
+#define EVENT_COMMAND_COMPLETE_ALLOWED_PACKETS_BYTE 2
+#define EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE 3 // Bytes 3 and 4
+#define EVENT_COMMAND_COMPLETE_STATUS_BYTE 5
+#define EVENT_COMMAND_COMPLETE_FIRST_PARAM_BYTE 6
+#define EVENT_LOCAL_HCI_VERSION_BYTE EVENT_COMMAND_COMPLETE_FIRST_PARAM_BYTE
+#define EVENT_LOCAL_LMP_VERSION_BYTE EVENT_LOCAL_HCI_VERSION_BYTE + 3
+
+#define EVENT_CONNECTION_COMPLETE_PARAM_LENGTH 11
+#define EVENT_CONNECTION_COMPLETE_TYPE 11
+#define EVENT_CONNECTION_COMPLETE_TYPE_SCO 0
+#define EVENT_CONNECTION_COMPLETE_TYPE_ACL 1
+#define EVENT_CONNECTION_COMPLETE_HANDLE_LSBYTE 3
+#define EVENT_COMMAND_STATUS_LENGTH 4
+
+#define EVENT_NUMBER_OF_COMPLETED_PACKETS_NUM_HANDLES 2
+
+#define ACL_BROADCAST_ACTIVE_SLAVE (0x1 << 4)
+#define ACL_PACKET_BOUNDARY_COMPLETE (0x3 << 6)
+
+class ThroughputLogger {
+ public:
+ ThroughputLogger(std::string task)
+ : task_(task), start_time_(std::chrono::steady_clock::now()) {}
+
+ ~ThroughputLogger() {
+ if (total_bytes_ == 0) return;
+ std::chrono::duration<double> duration =
+ std::chrono::steady_clock::now() - start_time_;
+ double s = duration.count();
+ if (s == 0) return;
+ double rate_kb = (static_cast<double>(total_bytes_) / s) / 1024;
+ ALOGD("%s %.1f KB/s (%zu bytes in %.3fs)", task_.c_str(), rate_kb,
+ total_bytes_, s);
+ }
+
+ void setTotalBytes(size_t total_bytes) { total_bytes_ = total_bytes; }
+
+ private:
+ size_t total_bytes_;
+ std::string task_;
+ std::chrono::steady_clock::time_point start_time_;
+};
+
+// The main test class for Bluetooth HIDL HAL.
+class BluetoothHidlTest : public ::testing::Test {
+ public:
+ virtual void SetUp() override {
+ // currently test passthrough mode only
+ bluetooth = IBluetoothHci::getService(Bluetooth_HCI_SERVICE_NAME);
+ ALOGW("%s: getService(%s) is %s", __func__, Bluetooth_HCI_SERVICE_NAME,
+ bluetooth->isRemote() ? "remote" : "local");
+ ASSERT_NE(bluetooth, nullptr);
+
+ // TODO(b/31748996) A client must be completely unaware of the
+ // implementation details of its HAL: whether the HAL is passthrough, or
+ // whether it uses HWbinder or some other transport.
+ if (bluetooth->isRemote()) {
+ ::android::hardware::ProcessState::self()->setThreadPoolMaxThreadCount(1);
+ ::android::hardware::ProcessState::self()->startThreadPool();
+ }
+
+ bluetooth_cb = new BluetoothHciCallbacks(*this);
+ ASSERT_NE(bluetooth_cb, nullptr);
+
+ max_acl_data_packet_length = 0;
+ max_sco_data_packet_length = 0;
+ max_acl_data_packets = 0;
+ max_sco_data_packets = 0;
+
+ event_count = 0;
+ acl_count = 0;
+ sco_count = 0;
+ event_cb_count = 0;
+ acl_cb_count = 0;
+ sco_cb_count = 0;
+
+ // Collision with android::hardware::Status
+ EXPECT_EQ(android::hardware::bluetooth::V1_0::Status::SUCCESS,
+ bluetooth->initialize(bluetooth_cb));
+ }
+
+ virtual void TearDown() override {
+ bluetooth->close();
+ EXPECT_EQ(static_cast<size_t>(0), event_queue.size());
+ EXPECT_EQ(static_cast<size_t>(0), sco_queue.size());
+ EXPECT_EQ(static_cast<size_t>(0), acl_queue.size());
+ }
+
+ void setBufferSizes();
+
+ // Functions called from within tests in loopback mode
+ void sendAndCheckHCI(int num_packets);
+ void sendAndCheckSCO(int num_packets, size_t size, uint16_t handle);
+ void sendAndCheckACL(int num_packets, size_t size, uint16_t handle);
+
+ // Helper functions to try to get a handle on verbosity
+ void enterLoopbackMode(std::vector<uint16_t>& sco_handles,
+ std::vector<uint16_t>& acl_handles);
+ void wait_for_command_complete_event(hidl_vec<uint8_t> cmd);
+ int wait_for_completed_packets_event(uint16_t handle);
+
+ // Inform the test about an event callback
+ inline void notify_event_received() {
+ std::unique_lock<std::mutex> lock(event_mutex);
+ event_count++;
+ event_condition.notify_one();
+ }
+
+ // Test code calls this function to wait for an event callback
+ inline void wait_for_event() {
+ std::unique_lock<std::mutex> lock(event_mutex);
+
+ auto start_time = std::chrono::steady_clock::now();
+ while (event_count == 0)
+ if (event_condition.wait_until(lock,
+ start_time + WAIT_FOR_HCI_EVENT_TIMEOUT) ==
+ std::cv_status::timeout)
+ return;
+ event_count--;
+ }
+
+ // Inform the test about an acl data callback
+ inline void notify_acl_data_received() {
+ std::unique_lock<std::mutex> lock(acl_mutex);
+ acl_count++;
+ acl_condition.notify_one();
+ }
+
+ // Test code calls this function to wait for an acl data callback
+ inline void wait_for_acl() {
+ std::unique_lock<std::mutex> lock(acl_mutex);
+
+ while (acl_count == 0)
+ acl_condition.wait_until(
+ lock, std::chrono::steady_clock::now() + WAIT_FOR_ACL_DATA_TIMEOUT);
+ acl_count--;
+ }
+
+ // Inform the test about a sco data callback
+ inline void notify_sco_data_received() {
+ std::unique_lock<std::mutex> lock(sco_mutex);
+ sco_count++;
+ sco_condition.notify_one();
+ }
+
+ // Test code calls this function to wait for a sco data callback
+ inline void wait_for_sco() {
+ std::unique_lock<std::mutex> lock(sco_mutex);
+
+ while (sco_count == 0)
+ sco_condition.wait_until(
+ lock, std::chrono::steady_clock::now() + WAIT_FOR_SCO_DATA_TIMEOUT);
+ sco_count--;
+ }
+
+ // A simple test implementation of BluetoothHciCallbacks.
+ class BluetoothHciCallbacks : public IBluetoothHciCallbacks {
+ BluetoothHidlTest& parent_;
+
+ public:
+ BluetoothHciCallbacks(BluetoothHidlTest& parent) : parent_(parent){};
+
+ virtual ~BluetoothHciCallbacks() = default;
+
+ Return<void> hciEventReceived(
+ const ::android::hardware::hidl_vec<uint8_t>& event) override {
+ parent_.event_cb_count++;
+ parent_.event_queue.push(event);
+ parent_.notify_event_received();
+ ALOGV("Event received (length = %d)", static_cast<int>(event.size()));
+ return Void();
+ };
+
+ Return<void> aclDataReceived(
+ const ::android::hardware::hidl_vec<uint8_t>& data) override {
+ parent_.acl_cb_count++;
+ parent_.acl_queue.push(data);
+ parent_.notify_acl_data_received();
+ return Void();
+ };
+
+ Return<void> scoDataReceived(
+ const ::android::hardware::hidl_vec<uint8_t>& data) override {
+ parent_.sco_cb_count++;
+ parent_.sco_queue.push(data);
+ parent_.notify_sco_data_received();
+ return Void();
+ };
+ };
+
+ sp<IBluetoothHci> bluetooth;
+ sp<IBluetoothHciCallbacks> bluetooth_cb;
+ std::queue<hidl_vec<uint8_t>> event_queue;
+ std::queue<hidl_vec<uint8_t>> acl_queue;
+ std::queue<hidl_vec<uint8_t>> sco_queue;
+
+ int event_cb_count;
+ int sco_cb_count;
+ int acl_cb_count;
+
+ int max_acl_data_packet_length;
+ int max_sco_data_packet_length;
+ int max_acl_data_packets;
+ int max_sco_data_packets;
+
+ private:
+ std::mutex event_mutex;
+ std::mutex sco_mutex;
+ std::mutex acl_mutex;
+ std::condition_variable event_condition;
+ std::condition_variable sco_condition;
+ std::condition_variable acl_condition;
+ int event_count;
+ int sco_count;
+ int acl_count;
+};
+
+// A class for test environment setup (kept since this file is a template).
+class BluetoothHidlEnvironment : public ::testing::Environment {
+ public:
+ virtual void SetUp() {}
+ virtual void TearDown() {}
+
+ private:
+};
+
+// Receive and check status events until a COMMAND_COMPLETE is received.
+void BluetoothHidlTest::wait_for_command_complete_event(hidl_vec<uint8_t> cmd) {
+ // Allow intermediate COMMAND_STATUS events
+ int status_event_count = 0;
+ hidl_vec<uint8_t> event;
+ do {
+ wait_for_event();
+ EXPECT_LT(static_cast<size_t>(0), event_queue.size());
+ if (event_queue.size() == 0) {
+ event.resize(0);
+ break;
+ }
+ event = event_queue.front();
+ event_queue.pop();
+ EXPECT_GT(event.size(),
+ static_cast<size_t>(EVENT_COMMAND_STATUS_OPCODE_LSBYTE + 1));
+ if (event[EVENT_CODE_BYTE] == EVENT_COMMAND_STATUS) {
+ EXPECT_EQ(EVENT_COMMAND_STATUS_LENGTH, event[EVENT_LENGTH_BYTE]);
+ EXPECT_EQ(cmd[0], event[EVENT_COMMAND_STATUS_OPCODE_LSBYTE]);
+ EXPECT_EQ(cmd[1], event[EVENT_COMMAND_STATUS_OPCODE_LSBYTE + 1]);
+ EXPECT_EQ(event[EVENT_COMMAND_STATUS_STATUS_BYTE], HCI_STATUS_SUCCESS);
+ status_event_count++;
+ }
+ } while (event.size() > 0 && event[EVENT_CODE_BYTE] == EVENT_COMMAND_STATUS);
+
+ EXPECT_GT(event.size(),
+ static_cast<size_t>(EVENT_COMMAND_COMPLETE_STATUS_BYTE));
+ EXPECT_EQ(EVENT_COMMAND_COMPLETE, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(cmd[0], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE]);
+ EXPECT_EQ(cmd[1], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE + 1]);
+ EXPECT_EQ(HCI_STATUS_SUCCESS, event[EVENT_COMMAND_COMPLETE_STATUS_BYTE]);
+}
+
+// Send the command to read the controller's buffer sizes.
+void BluetoothHidlTest::setBufferSizes() {
+ hidl_vec<uint8_t> cmd = COMMAND_HCI_READ_BUFFER_SIZE;
+ bluetooth->sendHciCommand(cmd);
+
+ wait_for_event();
+
+ EXPECT_LT(static_cast<size_t>(0), event_queue.size());
+ if (event_queue.size() == 0) return;
+
+ hidl_vec<uint8_t> event = event_queue.front();
+ event_queue.pop();
+
+ EXPECT_EQ(EVENT_COMMAND_COMPLETE, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(cmd[0], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE]);
+ EXPECT_EQ(cmd[1], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE + 1]);
+ EXPECT_EQ(HCI_STATUS_SUCCESS, event[EVENT_COMMAND_COMPLETE_STATUS_BYTE]);
+
+ max_acl_data_packet_length =
+ event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 1] +
+ (event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 2] << 8);
+ max_sco_data_packet_length = event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 3];
+ max_acl_data_packets = event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 4] +
+ (event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 5] << 8);
+ max_sco_data_packets = event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 6] +
+ (event[EVENT_COMMAND_COMPLETE_STATUS_BYTE + 7] << 8);
+
+ ALOGD("%s: ACL max %d num %d SCO max %d num %d", __func__,
+ static_cast<int>(max_acl_data_packet_length),
+ static_cast<int>(max_acl_data_packets),
+ static_cast<int>(max_sco_data_packet_length),
+ static_cast<int>(max_sco_data_packets));
+}
+
+// Send an HCI command (in Loopback mode) and check the response.
+void BluetoothHidlTest::sendAndCheckHCI(int num_packets) {
+ ThroughputLogger logger = {__func__};
+ for (int n = 0; n < num_packets; n++) {
+ // Send an HCI packet
+ std::vector<uint8_t> write_name = COMMAND_HCI_WRITE_LOCAL_NAME;
+ // With a name
+ char new_name[] = "John Jacob Jingleheimer Schmidt ___________________0";
+ size_t new_name_length = strlen(new_name);
+ for (size_t i = 0; i < new_name_length; i++)
+ write_name.push_back(static_cast<uint8_t>(new_name[i]));
+ // And the packet number
+ {
+ size_t i = new_name_length - 1;
+ for (int digits = n; digits > 0; digits = digits / 10, i--)
+ write_name[i] = static_cast<uint8_t>('0' + digits % 10);
+ }
+ // And padding
+ for (size_t i = 0; i < 248 - new_name_length; i++)
+ write_name.push_back(static_cast<uint8_t>(0));
+
+ hidl_vec<uint8_t> cmd = write_name;
+ bluetooth->sendHciCommand(cmd);
+
+ // Check the loopback of the HCI packet
+ wait_for_event();
+ hidl_vec<uint8_t> event = event_queue.front();
+ event_queue.pop();
+ size_t compare_length =
+ (cmd.size() > static_cast<size_t>(0xff) ? static_cast<size_t>(0xff)
+ : cmd.size());
+ EXPECT_GT(event.size(), compare_length + EVENT_FIRST_PAYLOAD_BYTE - 1);
+
+ EXPECT_EQ(EVENT_LOOPBACK_COMMAND, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(compare_length, event[EVENT_LENGTH_BYTE]);
+ if (n == 0) logger.setTotalBytes(cmd.size() * num_packets * 2);
+
+ for (size_t i = 0; i < compare_length; i++)
+ EXPECT_EQ(cmd[i], event[EVENT_FIRST_PAYLOAD_BYTE + i]);
+ }
+}
+
+// Send a SCO data packet (in Loopback mode) and check the response.
+void BluetoothHidlTest::sendAndCheckSCO(int num_packets, size_t size,
+ uint16_t handle) {
+ ThroughputLogger logger = {__func__};
+ for (int n = 0; n < num_packets; n++) {
+ // Send a SCO packet
+ hidl_vec<uint8_t> sco_packet;
+ std::vector<uint8_t> sco_vector;
+ sco_vector.push_back(static_cast<uint8_t>(handle & 0xff));
+ sco_vector.push_back(static_cast<uint8_t>((handle & 0x0f00) >> 8));
+ sco_vector.push_back(static_cast<uint8_t>(size & 0xff));
+ sco_vector.push_back(static_cast<uint8_t>((size & 0xff00) >> 8));
+ for (size_t i = 0; i < size; i++) {
+ sco_vector.push_back(static_cast<uint8_t>(i + n));
+ }
+ sco_packet = sco_vector;
+ bluetooth->sendScoData(sco_vector);
+
+ // Check the loopback of the SCO packet
+ wait_for_sco();
+ hidl_vec<uint8_t> sco_loopback = sco_queue.front();
+ sco_queue.pop();
+
+ EXPECT_EQ(sco_packet.size(), sco_loopback.size());
+ size_t successful_bytes = 0;
+
+ if (n == 0) logger.setTotalBytes(num_packets * size * 2);
+
+ for (size_t i = 0; i < sco_packet.size(); i++) {
+ if (sco_packet[i] == sco_loopback[i]) {
+ successful_bytes = i;
+ } else {
+ ALOGE("Miscompare at %d (expected %x, got %x)", static_cast<int>(i),
+ sco_packet[i], sco_loopback[i]);
+ ALOGE("At %d (expected %x, got %x)", static_cast<int>(i + 1),
+ sco_packet[i + 1], sco_loopback[i + 1]);
+ break;
+ }
+ }
+ EXPECT_EQ(sco_packet.size(), successful_bytes + 1);
+ }
+}
+
+// Send an ACL data packet (in Loopback mode) and check the response.
+void BluetoothHidlTest::sendAndCheckACL(int num_packets, size_t size,
+ uint16_t handle) {
+ ThroughputLogger logger = {__func__};
+ for (int n = 0; n < num_packets; n++) {
+ // Send an ACL packet
+ hidl_vec<uint8_t> acl_packet;
+ std::vector<uint8_t> acl_vector;
+ acl_vector.push_back(static_cast<uint8_t>(handle & 0xff));
+ acl_vector.push_back(static_cast<uint8_t>((handle & 0x0f00) >> 8) |
+ ACL_BROADCAST_ACTIVE_SLAVE |
+ ACL_PACKET_BOUNDARY_COMPLETE);
+ acl_vector.push_back(static_cast<uint8_t>(size & 0xff));
+ acl_vector.push_back(static_cast<uint8_t>((size & 0xff00) >> 8));
+ for (size_t i = 0; i < size; i++) {
+ acl_vector.push_back(static_cast<uint8_t>(i + n));
+ }
+ acl_packet = acl_vector;
+ bluetooth->sendAclData(acl_vector);
+
+ // Check the loopback of the ACL packet
+ wait_for_acl();
+ hidl_vec<uint8_t> acl_loopback = acl_queue.front();
+ acl_queue.pop();
+
+ EXPECT_EQ(acl_packet.size(), acl_loopback.size());
+ size_t successful_bytes = 0;
+
+ if (n == 0) logger.setTotalBytes(num_packets * size * 2);
+
+ for (size_t i = 0; i < acl_packet.size(); i++) {
+ if (acl_packet[i] == acl_loopback[i]) {
+ successful_bytes = i;
+ } else {
+ ALOGE("Miscompare at %d (expected %x, got %x)", static_cast<int>(i),
+ acl_packet[i], acl_loopback[i]);
+ ALOGE("At %d (expected %x, got %x)", static_cast<int>(i + 1),
+ acl_packet[i + 1], acl_loopback[i + 1]);
+ break;
+ }
+ }
+ EXPECT_EQ(acl_packet.size(), successful_bytes + 1);
+ }
+}
+
+// Return the number of completed packets reported by the controller.
+int BluetoothHidlTest::wait_for_completed_packets_event(uint16_t handle) {
+ wait_for_event();
+ int packets_processed = 0;
+ while (event_queue.size() > 0) {
+ hidl_vec<uint8_t> event = event_queue.front();
+ event_queue.pop();
+
+ EXPECT_EQ(EVENT_NUMBER_OF_COMPLETED_PACKETS, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(1, event[EVENT_NUMBER_OF_COMPLETED_PACKETS_NUM_HANDLES]);
+
+ uint16_t event_handle = event[3] + (event[4] << 8);
+ EXPECT_EQ(handle, event_handle);
+
+ packets_processed += event[5] + (event[6] << 8);
+ }
+ return packets_processed;
+}
+
+// Send local loopback command and initialize SCO and ACL handles.
+void BluetoothHidlTest::enterLoopbackMode(std::vector<uint16_t>& sco_handles,
+ std::vector<uint16_t>& acl_handles) {
+ hidl_vec<uint8_t> cmd = COMMAND_HCI_WRITE_LOOPBACK_MODE_LOCAL;
+ bluetooth->sendHciCommand(cmd);
+
+ // Receive connection complete events with data channels
+ int connection_event_count = 0;
+ hidl_vec<uint8_t> event;
+ do {
+ wait_for_event();
+ event = event_queue.front();
+ event_queue.pop();
+ EXPECT_GT(event.size(),
+ static_cast<size_t>(EVENT_COMMAND_COMPLETE_STATUS_BYTE));
+ if (event[EVENT_CODE_BYTE] == EVENT_CONNECTION_COMPLETE) {
+ EXPECT_GT(event.size(),
+ static_cast<size_t>(EVENT_CONNECTION_COMPLETE_TYPE));
+ EXPECT_EQ(event[EVENT_LENGTH_BYTE],
+ EVENT_CONNECTION_COMPLETE_PARAM_LENGTH);
+ uint8_t connection_type = event[EVENT_CONNECTION_COMPLETE_TYPE];
+
+ EXPECT_TRUE(connection_type == EVENT_CONNECTION_COMPLETE_TYPE_SCO ||
+ connection_type == EVENT_CONNECTION_COMPLETE_TYPE_ACL);
+
+ // Save handles
+ uint16_t handle = event[EVENT_CONNECTION_COMPLETE_HANDLE_LSBYTE] |
+ event[EVENT_CONNECTION_COMPLETE_HANDLE_LSBYTE + 1] << 8;
+ if (connection_type == EVENT_CONNECTION_COMPLETE_TYPE_SCO)
+ sco_handles.push_back(handle);
+ else
+ acl_handles.push_back(handle);
+
+ ALOGD("Connect complete type = %d handle = %d",
+ event[EVENT_CONNECTION_COMPLETE_TYPE], handle);
+ connection_event_count++;
+ }
+ } while (event[EVENT_CODE_BYTE] == EVENT_CONNECTION_COMPLETE);
+
+ EXPECT_GT(connection_event_count, 0);
+
+ EXPECT_EQ(EVENT_COMMAND_COMPLETE, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(cmd[0], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE]);
+ EXPECT_EQ(cmd[1], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE + 1]);
+ EXPECT_EQ(HCI_STATUS_SUCCESS, event[EVENT_COMMAND_COMPLETE_STATUS_BYTE]);
+}
+
+// Empty test: Initialize()/Close() are called in SetUp()/TearDown().
+TEST_F(BluetoothHidlTest, InitializeAndClose) { }
+
+// Send an HCI Reset with sendHciCommand and wait for a command complete event.
+TEST_F(BluetoothHidlTest, HciReset) {
+ hidl_vec<uint8_t> cmd = COMMAND_HCI_RESET;
+ bluetooth->sendHciCommand(cmd);
+
+ wait_for_command_complete_event(cmd);
+}
+
+// Read and check the HCI version of the controller.
+TEST_F(BluetoothHidlTest, HciVersionTest) {
+ hidl_vec<uint8_t> cmd = COMMAND_HCI_READ_LOCAL_VERSION_INFORMATION;
+ bluetooth->sendHciCommand(cmd);
+
+ wait_for_event();
+
+ hidl_vec<uint8_t> event = event_queue.front();
+ event_queue.pop();
+ EXPECT_GT(event.size(), static_cast<size_t>(EVENT_LOCAL_LMP_VERSION_BYTE));
+
+ EXPECT_EQ(EVENT_COMMAND_COMPLETE, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(cmd[0], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE]);
+ EXPECT_EQ(cmd[1], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE + 1]);
+ EXPECT_EQ(HCI_STATUS_SUCCESS, event[EVENT_COMMAND_COMPLETE_STATUS_BYTE]);
+
+ EXPECT_LE(HCI_MINIMUM_HCI_VERSION, event[EVENT_LOCAL_HCI_VERSION_BYTE]);
+ EXPECT_LE(HCI_MINIMUM_LMP_VERSION, event[EVENT_LOCAL_LMP_VERSION_BYTE]);
+}
+
+// Send an unknown HCI command and wait for the error message.
+TEST_F(BluetoothHidlTest, HciUnknownCommand) {
+ hidl_vec<uint8_t> cmd = COMMAND_HCI_SHOULD_BE_UNKNOWN;
+ bluetooth->sendHciCommand(cmd);
+
+ wait_for_event();
+
+ hidl_vec<uint8_t> event = event_queue.front();
+ event_queue.pop();
+ EXPECT_GT(event.size(),
+ static_cast<size_t>(EVENT_COMMAND_STATUS_OPCODE_LSBYTE + 1));
+
+ EXPECT_EQ(EVENT_COMMAND_COMPLETE, event[EVENT_CODE_BYTE]);
+ EXPECT_EQ(cmd[0], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE]);
+ EXPECT_EQ(cmd[1], event[EVENT_COMMAND_COMPLETE_OPCODE_LSBYTE + 1]);
+ EXPECT_EQ(HCI_STATUS_UNKNOWN_HCI_COMMAND,
+ event[EVENT_COMMAND_COMPLETE_STATUS_BYTE]);
+}
+
+// Enter loopback mode, but don't send any packets.
+TEST_F(BluetoothHidlTest, WriteLoopbackMode) {
+ std::vector<uint16_t> sco_connection_handles;
+ std::vector<uint16_t> acl_connection_handles;
+ enterLoopbackMode(sco_connection_handles, acl_connection_handles);
+}
+
+// Enter loopback mode and send single packets.
+TEST_F(BluetoothHidlTest, LoopbackModeSinglePackets) {
+ setBufferSizes();
+ EXPECT_LT(0, max_sco_data_packet_length);
+ EXPECT_LT(0, max_acl_data_packet_length);
+
+ std::vector<uint16_t> sco_connection_handles;
+ std::vector<uint16_t> acl_connection_handles;
+ enterLoopbackMode(sco_connection_handles, acl_connection_handles);
+
+ sendAndCheckHCI(1);
+
+ // This should work, but breaks on some current platforms. Figure out how to
+ // grandfather older devices but test new ones.
+ int sco_packets_sent = 0;
+ if (0 && sco_connection_handles.size() > 0) {
+ sendAndCheckSCO(1, max_sco_data_packet_length, sco_connection_handles[0]);
+ sco_packets_sent = 1;
+ EXPECT_EQ(sco_packets_sent,
+ wait_for_completed_packets_event(sco_connection_handles[0]));
+ }
+
+ int acl_packets_sent = 0;
+ if (acl_connection_handles.size() > 0) {
+ sendAndCheckACL(1, max_acl_data_packet_length, acl_connection_handles[0]);
+ acl_packets_sent = 1;
+ EXPECT_EQ(acl_packets_sent,
+ wait_for_completed_packets_event(acl_connection_handles[0]));
+ }
+}
+
+// Enter loopback mode and send packets for bandwidth measurements.
+TEST_F(BluetoothHidlTest, LoopbackModeBandwidth) {
+ setBufferSizes();
+
+ std::vector<uint16_t> sco_connection_handles;
+ std::vector<uint16_t> acl_connection_handles;
+ enterLoopbackMode(sco_connection_handles, acl_connection_handles);
+
+ sendAndCheckHCI(NUM_HCI_COMMANDS_BANDWIDTH);
+
+ // This should work, but breaks on some current platforms. Figure out how to
+ // grandfather older devices but test new ones.
+ int sco_packets_sent = 0;
+ if (0 && sco_connection_handles.size() > 0) {
+ sendAndCheckSCO(NUM_SCO_PACKETS_BANDWIDTH, max_sco_data_packet_length,
+ sco_connection_handles[0]);
+ sco_packets_sent = NUM_SCO_PACKETS_BANDWIDTH;
+ EXPECT_EQ(sco_packets_sent,
+ wait_for_completed_packets_event(sco_connection_handles[0]));
+ }
+
+ int acl_packets_sent = 0;
+ if (acl_connection_handles.size() > 0) {
+ sendAndCheckACL(NUM_ACL_PACKETS_BANDWIDTH, max_acl_data_packet_length,
+ acl_connection_handles[0]);
+ acl_packets_sent = NUM_ACL_PACKETS_BANDWIDTH;
+ EXPECT_EQ(acl_packets_sent,
+ wait_for_completed_packets_event(acl_connection_handles[0]));
+ }
+}
+
+int main(int argc, char** argv) {
+ ::testing::AddGlobalTestEnvironment(new BluetoothHidlEnvironment);
+ ::testing::InitGoogleTest(&argc, argv);
+ int status = RUN_ALL_TESTS();
+ ALOGI("Test result = %d", status);
+ return status;
+}