Support for reading playback file in scripted beacon am: d20555798d (d22c3a4b) · Commits · e / os / android_packages_modules_Bluetooth

system/test/rootcanal/Android.bp

+4 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ cc_binary {
		"libhidlbase",
		"liblog",
		"libutils",
		"libprotobuf-cpp-lite",
		],
		cflags: [
		"-fvisibility=hidden",
		@@ -49,6 +50,7 @@ cc_binary {
		"android.hardware.bluetooth-hci",
		"libbt-rootcanal",
		"libbt-rootcanal-types",
		"libscriptedbeaconpayload-protos-lite",
		],
		include_dirs: [
		"packages/modules/Bluetooth/system",
		@@ -78,6 +80,7 @@ cc_library_shared {
		"libhidlbase",
		"liblog",
		"libutils",
		"libprotobuf-cpp-lite",
		],
		cflags: [
		"-Wall",
		@@ -94,6 +97,7 @@ cc_library_shared {
		"android.hardware.bluetooth-hci",
		"libbt-rootcanal",
		"libbt-rootcanal-types",
		"libscriptedbeaconpayload-protos-lite",
		],
		include_dirs: [
		"packages/modules/Bluetooth/system",

system/test/rootcanal/bluetooth_hci.cc

+3 −3

Original line number	Diff line number	Diff line
		@@ -18,13 +18,13 @@

		#include "bluetooth_hci.h"

		#include "log/log.h"
		#include <cutils/properties.h>
		#include <netdb.h>
		#include <netinet/in.h>
		#include <string.h>

		#include "hci_internals.h"
		#include "os/log.h"

		namespace android {
		namespace hardware {
		@@ -85,7 +85,6 @@ Return<void> BluetoothHci::initialize_impl(
		const sp<V1_0::IBluetoothHciCallbacks>& cb,
		const sp<V1_1::IBluetoothHciCallbacks>& cb_1_1) {
		LOG_INFO("%s", __func__);

		if (cb == nullptr) {
		LOG_ERROR("cb == nullptr! -> Unable to call initializationComplete(ERR)");
		return Void();
		@@ -191,7 +190,8 @@ Return<void> BluetoothHci::initialize_impl(
		test_channel_.Add({"beacon", "be:ac:10:00:00:02", "1000"});
		test_channel_.AddDeviceToPhy({"3", "1"});
		test_channel_.Add(
		{"scripted_beacon", "5b:ea:c1:00:00:03", "path_to_config.log"});
		{"scripted_beacon", "5b:ea:c1:00:00:03",
		"/data/vendor/bluetooth/bluetooth_sim_ble_playback_file"});
		test_channel_.AddDeviceToPhy({"4", "1"});

		unlink_cb_ = [this, cb](sp<BluetoothDeathRecipient>& death_recipient) {

system/vendor_libs/test_vendor_lib/Android.bp

+14 −0

Original line number	Diff line number	Diff line
		@@ -64,9 +64,21 @@ cc_library_static {
		],
		static_libs: [
		"libbt-rootcanal-types",
		"libscriptedbeaconpayload-protos-lite",
		],
		}

		cc_library_static {
		name: "libscriptedbeaconpayload-protos-lite",
		host_supported: true,
		proprietary: true,
		proto: {
		export_proto_headers: true,
		type: "lite",
		},
		srcs: ["model/devices/scripted_beacon_ble_payload.proto"],
		}

		// test-vendor unit tests for host
		// ========================================================
		cc_test_host {
		@@ -133,6 +145,8 @@ cc_test_host {
		],
		static_libs: [
		"libbt-rootcanal-types",
		"libprotobuf-cpp-lite",
		"libscriptedbeaconpayload-protos-lite",
		"libbt-rootcanal",
		],
		}

system/vendor_libs/test_vendor_lib/model/devices/scripted_beacon.cc

+96 −56

Original line number	Diff line number	Diff line
		@@ -14,9 +14,20 @@
		* limitations under the License.
		*/

		#define OS_ANDROID
		#include "os/log.h"
		#undef OS_ANDROID
		#include "scripted_beacon.h"

		// #include "hci/hci_packets.h" // To use error-checking packets
		#include <fstream>
		#include <cstdint>
		#include <unistd.h>
		#include <stdlib.h>
		#include <errno.h>
		#include <sys/types.h>
		#include <sys/inotify.h>

		#include "model/devices/scripted_beacon_ble_payload.pb.h"
		#include "model/setup/device_boutique.h"

		using std::vector;
		@@ -24,10 +35,9 @@ using std::vector;
		namespace test_vendor_lib {
		bool ScriptedBeacon::registered_ =
		DeviceBoutique::Register("scripted_beacon", &ScriptedBeacon::Create);

		ScriptedBeacon::ScriptedBeacon() {
		advertising_interval_ms_ = std::chrono::milliseconds(1280);
		properties_.SetLeAdvertisementType(0x03 /* NON_CONNECT */);
		properties_.SetLeAdvertisementType(0x02 /* SCANNABLE */);
		properties_.SetLeAdvertisement({
		0x18, // Length
		0x09 /* TYPE_NAME_CMPL */,
		@@ -59,11 +69,45 @@ ScriptedBeacon::ScriptedBeacon() {
		0x4 /* BREDR_NOT_SPT / \| 0x2 / GEN_DISC_FLAG */,
		});

		properties_.SetLeScanResponse({0x06, // Length
		0x07, // TYPE_NAME_SHORT
		properties_.SetLeScanResponse({0x05, // Length
		0x08, // TYPE_NAME_SHORT
		'g', 'b', 'e', 'a'});
		}

		bool ScriptedBeacon::is_config_file_ready() {
		static bool file_absence_logged = false;
		if (access(config_file_.c_str(), F_OK) == -1) {
		if (!file_absence_logged) {
		LOG_INFO("%s: playback file %s not available",
		__func__,
		config_file_.c_str());
		file_absence_logged = true;
		}
		return false;
		}

		if (access(config_file_.c_str(), R_OK) == -1) {
		LOG_ERROR("%s: playback file %s is not readable",
		__func__,
		config_file_.c_str());
		return false;
		}
		LOG_INFO("%s: playback file %s is available and readable",
		__func__,
		config_file_.c_str());
		return true;
		}

		bool has_time_elapsed(std::chrono::steady_clock::time_point time_point) {
		std::chrono::steady_clock::time_point now =
		std::chrono::steady_clock::now();
		if (now > time_point) {
		return true;
		} else {
		return false;
		}
		}

		void ScriptedBeacon::Initialize(const vector<std::string>& args) {
		if (args.size() < 2) return;

		@@ -79,11 +123,41 @@ void ScriptedBeacon::TimerTick() {
		if (!scanned_once_) {
		Beacon::TimerTick();
		} else {
		static std::chrono::steady_clock::time_point next_check_time =
		std::chrono::steady_clock::now();
		if (!play_back_on_) {
		if (!has_time_elapsed(next_check_time)) {
		return;
		}
		if (!is_config_file_ready()) {
		next_check_time = std::chrono::steady_clock::now() +
		std::chrono::steady_clock::duration(std::chrono::seconds(1));
		return;
		}
		// Give time for the file to be written completely before being read
		{
		static std::chrono::steady_clock::time_point write_delay_next_check_time =
		std::chrono::steady_clock::now() +
		std::chrono::steady_clock::duration(std::chrono::seconds(1));
		if (!has_time_elapsed(write_delay_next_check_time)) {
		return;
		}
		}

		std::fstream input(config_file_, std::ios::in \| std::ios::binary);
		if (!ble_ad_list_.ParseFromIstream(&input)) {
		LOG_ERROR("%s: Cannot parse playback file %s", __func__, config_file_.c_str());
		return;
		}
		LOG_INFO("%s: Starting Ble advertisement playback from file: %s", __func__, config_file_.c_str());
		play_back_on_ = true;
		get_next_advertisement();
		}
		std::shared_ptr<model::packets::LinkLayerPacketBuilder> to_send;
		std::chrono::steady_clock::time_point now =
		std::chrono::steady_clock::now();
		elapsed_time_ += now - last_timer_tick_;
		while (next_ad_.ad_time < now) {
		while (play_back_on_ && !play_back_complete_ && next_ad_.ad_time < now) {
		auto ad = model::packets::LeAdvertisementBuilder::Create(
		next_ad_.address, Address::kEmpty /* Destination */,
		model::packets::AddressType::RANDOM,
		@@ -113,7 +187,6 @@ void ScriptedBeacon::IncomingPacket(
		std::move(scan_response);
		scanned_once_ = true;
		Address::FromString("12:34:56:78:9A:BC", next_ad_.address);
		open_config_file();
		for (auto phy : phy_layers_[Phy::Type::LOW_ENERGY]) {
		phy->Send(to_send);
		}
		@@ -122,55 +195,22 @@ void ScriptedBeacon::IncomingPacket(
		}

		void ScriptedBeacon::get_next_advertisement() {
		next_ad_.address.address[2]++;
		/* For more recent versions:
		* using bluetooth::hci::GapData;
		* using bluetooth::hci::GapDataType;
		* GapData flags;
		* flags.data_type_ = GapDataType::FLAGS;
		* flags.data_ = {0x1A};
		* GapData service;
		* service.data_type_ = GapDataType::COMPLETE_LIST_16_BIT_UUIDS;
		* service.data_ = {0x6F, 0xFD}; // 0xFD6F Contact Detection Service
		* GapData proximity_id;
		* proximity_id.data_type = GapDataType::SERVICE_DATA_128_BIT_UUIDS;
		* proximity_id.data_ = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
		* 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
		* };
		*/
		// For older/all versions:
		next_ad_.ad = {
		0x02, // Size
		0x01, // Flag
		0x1A,
		0x03, // Size
		0x03, // Complete 16-bit Service UUID
		0x6F,
		0xFD,
		0x13, // Size
		0x16, // Service Data - 16 bit UUID
		0x6F, // FD6F
		0xFD,
		0x00, // ID
		0x01,
		next_ad_.address.address[2], // make it different from the others
		0x03,
		0x04,
		0x05,
		0x06,
		0x07,
		0x08,
		0x09,
		0x0a,
		0x0b,
		0x0c,
		0x0d,
		0x0e,
		0x0f,
		};
		}

		void ScriptedBeacon::open_config_file() {
		// Open the config file and read it all?
		static int packet_num = 0;

		if (packet_num < ble_ad_list_.advertisements().size()) {
		std::string payload = ble_ad_list_.advertisements(packet_num).payload();
		std::string mac_address = ble_ad_list_.advertisements(packet_num).mac_address();
		uint32_t delay_before_send_ms =
		ble_ad_list_.advertisements(packet_num).delay_before_send_ms();
		next_ad_.ad.assign(payload.begin(), payload.end());
		Address::FromString(mac_address, next_ad_.address);
		next_ad_.ad_time = std::chrono::steady_clock::now() +
		std::chrono::steady_clock::duration(
		std::chrono::milliseconds(delay_before_send_ms));
		packet_num++;
		} else {
		play_back_complete_ = true;
		LOG_INFO("%s: Completed Ble advertisement playback from file: %s", __func__, config_file_.c_str());
		}
		}
		} // namespace test_vendor_lib

system/vendor_libs/test_vendor_lib/model/devices/scripted_beacon.h

+9 −3

Original line number	Diff line number	Diff line
		@@ -19,10 +19,10 @@
		#include <cstdint>
		#include <vector>

		#include "model/devices/scripted_beacon_ble_payload.pb.h"
		#include "beacon.h"

		namespace test_vendor_lib {

		// Pretend to be a lot of beacons by advertising from a file.
		class ScriptedBeacon : public Beacon {
		public:
		@@ -55,7 +55,6 @@ class ScriptedBeacon : public Beacon {
		std::chrono::steady_clock::duration elapsed_time_{};
		std::chrono::steady_clock::time_point last_timer_tick_{};
		std::string config_file_{};
		void open_config_file();
		struct Advertisement {
		std::vector<uint8_t> ad;
		Address address;
		@@ -64,7 +63,14 @@ class ScriptedBeacon : public Beacon {

		void get_next_advertisement();

		bool is_config_file_ready();

		Advertisement next_ad_{};
		};

		android::bluetooth::test_vendor_lib::model::devices::ScriptedBeaconBleAdProto::BleAdvertisementList ble_ad_list_;

		bool play_back_on_{false};

		bool play_back_complete_{false};
		};
		} // namespace test_vendor_lib