PairingDialog: Implement 'pairing' for bluez, reformat file

src/gui/input/PairingDialog.cpp

@@ -4,6 +4,12 @@
 #if BOOST_OS_WINDOWS
 #include <bluetoothapis.h>
 #endif
+#if BOOST_OS_LINUX
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/hci.h>
+#include <bluetooth/hci_lib.h>
+#include <input/api/Wiimote/l2cap/L2CapWiimote.h>
+#endif
 
 wxDECLARE_EVENT(wxEVT_PROGRESS_PAIR, wxCommandEvent);
 wxDEFINE_EVENT(wxEVT_PROGRESS_PAIR, wxCommandEvent);
@@ -91,9 +97,9 @@ void PairingDialog::OnGaugeUpdate(wxCommandEvent& event)
 		break;
 	}
 
-    case PairingState::BluetoothFailed:
+	case PairingState::SearchFailed:
 	{
-        m_text->SetLabel(_("Failed to search for controllers."));
+		m_text->SetLabel(_("Failed to find controllers."));
 		m_gauge->SetValue(0);
 		m_cancelButton->SetLabel(_("Close"));
 		break;
@@ -115,7 +121,6 @@ void PairingDialog::OnGaugeUpdate(wxCommandEvent& event)
 		break;
 	}
 
-
 	default:
 	{
 		break;
@@ -123,18 +128,17 @@ void PairingDialog::OnGaugeUpdate(wxCommandEvent& event)
 	}
 }
 
+#if BOOST_OS_WINDOWS
 void PairingDialog::WorkerThread()
 {
 	const std::wstring wiimoteName = L"Nintendo RVL-CNT-01";
 	const std::wstring wiiUProControllerName = L"Nintendo RVL-CNT-01-UC";
 
-#if BOOST_OS_WINDOWS
+	const GUID bthHidGuid = {0x00001124, 0x0000, 0x1000, {0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB}};
-    const GUID bthHidGuid = {0x00001124,0x0000,0x1000,{0x80,0x00,0x00,0x80,0x5F,0x9B,0x34,0xFB}};
 
 	const BLUETOOTH_FIND_RADIO_PARAMS radioFindParams =
 		{
-        .dwSize = sizeof(BLUETOOTH_FIND_RADIO_PARAMS)
+			.dwSize = sizeof(BLUETOOTH_FIND_RADIO_PARAMS)};
-    };
 
 	HANDLE radio = INVALID_HANDLE_VALUE;
 	HBLUETOOTH_RADIO_FIND radioFind = BluetoothFindFirstRadio(&radioFindParams, &radio);
@@ -148,8 +152,7 @@ void PairingDialog::WorkerThread()
 
 	BLUETOOTH_RADIO_INFO radioInfo =
 		{
-        .dwSize = sizeof(BLUETOOTH_RADIO_INFO)
+			.dwSize = sizeof(BLUETOOTH_RADIO_INFO)};
-    };
 
 	DWORD result = BluetoothGetRadioInfo(radio, &radioInfo);
 	if (result != ERROR_SUCCESS)
@@ -170,13 +173,11 @@ void PairingDialog::WorkerThread()
 			.fIssueInquiry = TRUE,
 			.cTimeoutMultiplier = 5,
 
-        .hRadio               = radio
+			.hRadio = radio};
-    };
 
 	BLUETOOTH_DEVICE_INFO info =
 		{
-        .dwSize = sizeof(BLUETOOTH_DEVICE_INFO)
+			.dwSize = sizeof(BLUETOOTH_DEVICE_INFO)};
-    };
 
 	while (!m_threadShouldQuit)
 	{
@@ -195,7 +196,7 @@ void PairingDialog::WorkerThread()
 
 				UpdateCallback(PairingState::Pairing);
 
-                wchar_t passwd[6] = { radioInfo.address.rgBytes[0], radioInfo.address.rgBytes[1], radioInfo.address.rgBytes[2], radioInfo.address.rgBytes[3], radioInfo.address.rgBytes[4], radioInfo.address.rgBytes[5] };
+				wchar_t passwd[6] = {radioInfo.address.rgBytes[0], radioInfo.address.rgBytes[1], radioInfo.address.rgBytes[2], radioInfo.address.rgBytes[3], radioInfo.address.rgBytes[4], radioInfo.address.rgBytes[5]};
 				DWORD bthResult = BluetoothAuthenticateDevice(nullptr, radio, &info, passwd, 6);
 				if (bthResult != ERROR_SUCCESS)
 				{
@@ -223,11 +224,56 @@ void PairingDialog::WorkerThread()
 
 		BluetoothFindDeviceClose(deviceFind);
 	}
-#else
-    UpdateCallback(PairingState::BluetoothUnusable);
-#endif
 }
+#elif BOOST_OS_LINUX
+void PairingDialog::WorkerThread()
+{
+	constexpr static uint8_t liacLap[] = {0x00, 0x8b, 0x9e};
 
+	constexpr static auto isWiimoteName = [](std::string_view name) {
+		return name == "Nintendo RVL-CNT-01" || name == "Nintendo RVL-CNT-01-TR";
+	};
+
+	// Get default BT device
+	const auto hostId = hci_get_route(nullptr);
+	if (hostId < 0)
+	{
+		UpdateCallback(PairingState::NoBluetoothAvailable);
+		return;
+	}
+
+	// Search for device
+	inquiry_info* info = nullptr;
+	const auto respCount = hci_inquiry(hostId, 5, 1, liacLap, &info, IREQ_CACHE_FLUSH);
+	if (respCount <= 0)
+	{
+		UpdateCallback(PairingState::SearchFailed);
+		return;
+	}
+
+	//! Open dev to read name
+	const auto hostDesc = hci_open_dev(hostId);
+	char nameBuffer[HCI_MAX_NAME_LENGTH] = {};
+
+	// Get device name and compare. Would use product and vendor id from SDP, but many third-party Wiimotes don't store them
+	auto& addr = info->bdaddr;
+	if (hci_read_remote_name(hostDesc, &addr, HCI_MAX_NAME_LENGTH, nameBuffer,
+							 2000) != 0 || !isWiimoteName(nameBuffer))
+	{
+		UpdateCallback(PairingState::SearchFailed);
+		return;
+	}
+	cemuLog_log(LogType::Force, "Pairing Dialog: Found '{}' with address {:02x}", nameBuffer, fmt::join(addr.b, ":"));
+
+	UpdateCallback(PairingState::Finished);
+	L2CapWiimote::AddCandidateAddress(addr);
+}
+#else
+void PairingDialog::WorkerThread()
+{
+	UpdateCallback(PairingState::BluetoothUnusable);
+}
+#endif
 void PairingDialog::UpdateCallback(PairingState state)
 {
 	auto* event = new wxCommandEvent(wxEVT_PROGRESS_PAIR);

src/gui/input/PairingDialog.h

@@ -17,7 +17,7 @@ private:
         Pairing,
         Finished,
         NoBluetoothAvailable,
-        BluetoothFailed,
+	  	SearchFailed,
         PairingFailed,
         BluetoothUnusable
     };

src/input/api/Wiimote/l2cap/L2CapWiimote.h

@@ -1,5 +1,5 @@
 #pragma once
-#include <api/Wiimote/WiimoteDevice.h>
+#include <input/api/Wiimote/WiimoteDevice.h>
 #include <bluetooth/bluetooth.h>
 
 class L2CapWiimote : public WiimoteDevice
@@ -12,7 +12,7 @@ class L2CapWiimote : public WiimoteDevice
 	std::optional<std::vector<uint8>> read_data() override;
 	bool operator==(WiimoteDevice& o) const override;
 
-	static void AddCandidateAddresses(const std::vector<bdaddr_t>& addrs);
+	static void AddCandidateAddress(bdaddr_t addr);
 	static std::vector<WiimoteDevicePtr> get_devices();
   private:
 	int m_recvFd;