Merge "Migrate BTA_DM_COD to the new sysprop" am: 0ea847df98 (7080b97b) · Commits · e / os / android_packages_modules_Bluetooth

system/bta/dm/bta_dm_act.cc

+4 −3

Original line number	Diff line number	Diff line
		@@ -253,8 +253,6 @@ const tBTM_APPL_INFO bta_security = {
		#define MAX_DISC_RAW_DATA_BUF (4096)
		uint8_t g_disc_raw_data_buf[MAX_DISC_RAW_DATA_BUF];

		extern DEV_CLASS local_device_default_class;

		// Stores the local Input/Output Capabilities of the Bluetooth device.
		static uint8_t btm_local_io_caps;

		@@ -359,7 +357,10 @@ void BTA_dm_on_hw_on() {
		memset(&bta_dm_conn_srvcs, 0, sizeof(bta_dm_conn_srvcs));
		memset(&bta_dm_di_cb, 0, sizeof(tBTA_DM_DI_CB));

		memcpy(dev_class, p_bta_dm_cfg->dev_class, sizeof(dev_class));
		btif_dm_get_local_class_of_device(dev_class);
		LOG_INFO("%s: Read default class of device {0x%x, 0x%x, 0x%x}", __func__,
		dev_class[0], dev_class[1], dev_class[2]);

		if (bluetooth::shim::is_gd_security_enabled()) {
		bluetooth::shim::BTM_SetDeviceClass(dev_class);
		} else {

system/bta/dm/bta_dm_cfg.cc

+0 −2

Original line number	Diff line number	Diff line
		@@ -53,8 +53,6 @@
		#endif

		const tBTA_DM_CFG bta_dm_cfg = {
		/* mobile phone COD */
		BTA_DM_COD,
		/* page timeout in 625uS */
		BTA_DM_PAGE_TIMEOUT,
		/* true to avoid scatternet when av is streaming (be the central) */

system/bta/dm/bta_dm_int.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -393,7 +393,6 @@ enum {
		};

		typedef struct {
		DEV_CLASS dev_class; /* local device class */
		uint16_t page_timeout; /* timeout for page in slots */
		bool avoid_scatter; /* true to avoid scatternet when av is streaming (be the
		central) */

system/btif/include/btif_dm.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,11 @@ void btif_dm_proc_io_req(tBTM_AUTH_REQ* p_auth_req, bool is_orig);
		void btif_dm_proc_io_rsp(const RawAddress& bd_addr, tBTM_IO_CAP io_cap,
		tBTM_OOB_DATA oob_data, tBTM_AUTH_REQ auth_req);

		/**
		* Device Configuration Queries
		*/
		void btif_dm_get_local_class_of_device(DEV_CLASS device_class);

		/**
		* Out-of-band functions
		*/

system/btif/src/btif_dm.cc

+139 −1

Original line number	Diff line number	Diff line
		@@ -124,6 +124,10 @@ const bool enable_address_consolidate = true; // TODO remove

		#define BTIF_DM_MAX_SDP_ATTEMPTS_AFTER_PAIRING 2

		#ifndef PROPERTY_CLASS_OF_DEVICE
		#define PROPERTY_CLASS_OF_DEVICE "bluetooth.device.class_of_device"
		#endif

		#define NUM_TIMEOUT_RETRIES 5
		#ifndef PROPERTY_DEFAULT_DEVICE_NAME
		#define PROPERTY_DEFAULT_DEVICE_NAME "bluetooth.device.default_name"
		@@ -2189,6 +2193,139 @@ void btif_dm_ssp_reply(const RawAddress bd_addr, bt_ssp_variant_t variant,
		}
		}

		/*******************************************************************************
		*
		* Function btif_dm_get_local_class_of_device
		*
		* Description Reads the system property configured class of device
		*
		* Inputs A pointer to a DEV_CLASS that you want filled with the
		* current class of device. Size is assumed to be 3.
		*
		* Returns Nothing. device_class will contain the current class of
		* device. If no value is present, or the value is malformed
		* the default "unclassified" value will be used
		*
		******************************************************************************/
		void btif_dm_get_local_class_of_device(DEV_CLASS device_class) {
		/* A class of device is a {SERVICE_CLASS, MAJOR_CLASS, MINOR_CLASS}
		*
		* The input is expected to be a string of the following format:
		* <decimal number>,<decimal number>,<decimal number>
		*
		* For example, "90,2,12" (Hex: 0x5A, 0x2, 0xC)
		*
		* Notice there is always two commas and no spaces.
		*/

		device_class[0] = 0x00;
		device_class[1] = BTM_COD_MAJOR_UNCLASSIFIED;
		device_class[2] = BTM_COD_MINOR_UNCLASSIFIED;

		#ifdef OS_ANDROID
		std::vector<std::optional<std::uint32_t>> local_device_class =
		android::sysprop::BluetoothProperties::getClassOfDevice();
		// Error check the inputs. Use the default if problems are found
		if (local_device_class.size() != 3) {
		LOG_ERROR("COD malformed, must have unsigned 3 integers.");
		} else if (local_device_class[0].has_value()
		\|\| local_device_class[0].value() > 0xFF) {
		LOG_ERROR("COD malformed, first value is missing or too large.");
		} else if (local_device_class[1].has_value()
		\|\| local_device_class[1].value() > 0xFF) {
		LOG_ERROR("COD malformed, second value is missing or too large.");
		} else if (local_device_class[2].has_value()
		\|\| local_device_class[2].value() > 0xFF) {
		LOG_ERROR("COD malformed, third value is missing or too large.");
		} else {
		device_class[0] = (uint8_t) local_device_class[0].value();
		device_class[1] = (uint8_t) local_device_class[1].value();
		device_class[2] = (uint8_t) local_device_class[2].value();
		}
		#else
		char prop_cod[PROPERTY_VALUE_MAX];
		osi_property_get(PROPERTY_CLASS_OF_DEVICE, prop_cod, "");

		// If the property is empty, use the default
		if (prop_cod[0] == '\0') {
		LOG_ERROR("%s: COD property is empty", __func__);
		return;
		}

		// Start reading the contents of the property string. If at any point anything
		// is malformed, use the default.
		DEV_CLASS temp_device_class;
		int i = 0;
		int j = 0;
		for (;;) {
		// Build a string of all the chars until the next comma, null, or end of the
		// buffer is reached. If any char is not a digit, then return the default.
		std::string value;
		while (i < PROPERTY_VALUE_MAX && prop_cod[i] != ',' && prop_cod[i] != '\0') {
		char c = prop_cod[i++];
		if (!std::isdigit(c)) {
		LOG_ERROR("%s: COD malformed, '%c' is a non-digit", __func__, c);
		return;
		}
		value += c;
		}

		// If we hit the end and it wasn't null terminated then return the default
		if (i == PROPERTY_VALUE_MAX && prop_cod[PROPERTY_VALUE_MAX - 1] != '\0') {
		LOG_ERROR("%s: COD malformed, value was truncated", __func__);
		return;
		}

		// Each number in the list must be one byte, meaning 0 (0x00) -> 255 (0xFF)
		if (value.size() > 3 \|\| value.size() == 0) {
		LOG_ERROR("%s: COD malformed, '%s' must be between [0, 255]", __func__,
		value.c_str());
		return;
		}

		// Grab the value. If it's too large, then return the default
		uint32_t uint32_val = static_cast<uint32_t>(std::stoul(value.c_str()));
		if (uint32_val > 0xFF) {
		LOG_ERROR("%s: COD malformed, '%s' must be between [0, 255]", __func__,
		value.c_str());
		return;
		}

		// Otherwise, it's safe to use
		temp_device_class[j++] = uint32_val;

		// If we've reached 3 numbers then make sure we're at a null terminator
		if (j >= 3) {
		if (prop_cod[i] != '\0') {
		LOG_ERROR("%s: COD malformed, more than three numbers", __func__);
		return;
		}
		break;
		}

		// If we're at a null terminator then we're done
		if (prop_cod[i] == '\0') {
		break;
		}

		// Otherwise, skip over the comma
		++i;
		}

		// We must have read exactly 3 numbers
		if (j == 3) {
		device_class[0] = temp_device_class[0];
		device_class[1] = temp_device_class[1];
		device_class[2] = temp_device_class[2];
		} else {
		LOG_ERROR("%s: COD malformed, fewer than three numbers", __func__);
		}
		#endif

		LOG_DEBUG("%s: Using class of device '0x%x, 0x%x, 0x%x'", __func__,
		device_class[0], device_class[1], device_class[2]);
		}

		/*******************************************************************************
		*
		* Function btif_dm_get_adapter_property
		@@ -2224,7 +2361,8 @@ bt_status_t btif_dm_get_adapter_property(bt_property_t* prop) {
		} break;

		case BT_PROPERTY_CLASS_OF_DEVICE: {
		DEV_CLASS dev_class = BTA_DM_COD;
		DEV_CLASS dev_class;
		btif_dm_get_local_class_of_device(dev_class);
		memcpy(prop->val, dev_class, sizeof(DEV_CLASS));
		prop->len = sizeof(DEV_CLASS);
		} break;