service/client: add command to change MTU (05e78f44) · Commits · e / os / android_packages_modules_Bluetooth

system/service/client/main.cpp

+33 −0

Original line number	Diff line number	Diff line
		@@ -618,6 +618,38 @@ void HandleDisconnect(IBluetooth* bt_iface, const vector<string>& args) {
		PrintCommandStatus(status);
		}

		void HandleSetMtu(IBluetooth* bt_iface, const vector<string>& args) {
		string address;
		int mtu;

		if (args.size() != 2) {
		PrintError("Usage: set-mtu [address] [mtu]");
		return;
		}

		address = args[0];
		mtu = std::stoi(args[1]);

		if (mtu < 23) {
		PrintError("MTU must be 23 or larger");
		return;
		}

		if (!ble_client_id.load()) {
		PrintError("BLE not registered");
		return;
		}

		sp<IBluetoothLowEnergy> ble_iface = bt_iface->GetLowEnergyInterface();
		if (!ble_iface.get()) {
		PrintError("Failed to obtain handle to Bluetooth Low Energy interface");
		return;
		}

		bool status = ble_iface->SetMtu(ble_client_id.load(), address.c_str(), mtu);
		PrintCommandStatus(status);
		}

		void HandleStartLeScan(IBluetooth* bt_iface, const vector<string>& args) {
		if (!ble_client_id.load()) {
		PrintError("BLE not registered");
		@@ -703,6 +735,7 @@ struct {
		{ "connect-le", HandleConnect, "\t\tConnect to LE device (-h for options)"},
		{ "disconnect-le", HandleDisconnect,
		"\t\tDisconnect LE device (-h for options)"},
		{ "set-mtu", HandleSetMtu, "\t\tSet MTU (-h for options)"},
		{ "start-adv", HandleStartAdv, "\t\tStart advertising (-h for options)" },
		{ "stop-adv", HandleStopAdv, "\t\tStop advertising" },
		{ "start-le-scan", HandleStartLeScan,