feature: added last handshake check for ios

client/platforms/ios/PacketTunnelProvider+WireGuard.swift

@@ -111,10 +111,20 @@ extension PacketTunnelProvider {
                     settingsDictionary[pair[0]] = pair[1]
                 }
             }
+
+            let lastHandshakeString = settingsDictionary["last_handshake_time_sec"]
+            let lastHandshake: Int64
+
+            if let lastHandshakeValue = lastHandshakeString, let handshakeValue = Int64(lastHandshakeValue) {
+                lastHandshake = handshakeValue
+            } else {
+                lastHandshake = -2
+            }
 
             let response: [String: Any] = [
                 "rx_bytes": settingsDictionary["rx_bytes"] ?? "0",
-                "tx_bytes": settingsDictionary["tx_bytes"] ?? "0"
+                "tx_bytes": settingsDictionary["tx_bytes"] ?? "0",
+                "last_handshake_time_sec": lastHandshake
             ]
 
             completionHandler(try? JSONSerialization.data(withJSONObject: response, options: []))

client/platforms/ios/ios_controller.h

@@ -55,14 +55,16 @@ class IosController : public QObject
     QString openFile();
 
     void requestInetAccess();
+
+    void stopForHandshake();
+    void waitForHandshake();
 signals:
     void connectionStateChanged(Vpn::ConnectionState state);
     void bytesChanged(quint64 receivedBytes, quint64 sentBytes);
     void importConfigFromOutside(const QString);
     void importBackupFromOutside(const QString);
 
     void finished();
-
 protected slots:
 
 private:

client/platforms/ios/ios_controller.mm

@@ -7,7 +7,7 @@
 #include <QJsonObject>
 #include <QThread>
 #include <QEventLoop>
-
+#include <QTimer>
 #include "../protocols/vpnprotocol.h"
 #import "ios_controller_wrapper.h"
 
@@ -58,6 +58,7 @@
 
 namespace {
 IosController* s_instance = nullptr;
+QTimer *m_handshakeTimer = nullptr;
 }
 
 IosController::IosController() : QObject()
@@ -237,7 +238,6 @@
     }
 }
 
-
 void IosController::checkStatus()
 {
     NSString *actionKey = [NSString stringWithUTF8String:MessageKey::action];
@@ -258,10 +258,14 @@
 void IosController::vpnStatusDidChange(void *pNotification)
 {
     NETunnelProviderSession *session = (NETunnelProviderSession *)pNotification;
-
+    NETunnelProviderProtocol *tunnelProtocol = (NETunnelProviderProtocol *)m_currentTunnel.protocolConfiguration;
     if (session /* && session == TunnelManager.session */ ) {
         qDebug() << "IosController::vpnStatusDidChange" << iosStatusToState(session.status) << session;
-
+        if (tunnelProtocol.providerConfiguration[@"wireguard"] != nil && session.status == NEVPNStatusConnected)
+        {
+            // use last_handshake_time for check status connected for WireGuard
+            return;
+        }
         if (session.status == NEVPNStatusDisconnected) {
             if (@available(iOS 16.0, *)) {
                 [session fetchLastDisconnectErrorWithCompletionHandler:^(NSError * _Nullable error) {
@@ -356,6 +360,7 @@
             } else {
                 qDebug() << "Disconnect error is unavailable on iOS < 16.0";
             }
+            stopForHandshake();
         }
 
         emit connectionStateChanged(iosStatusToState(session.status));
@@ -641,6 +646,7 @@
 
     m_currentTunnel.protocolConfiguration = tunnelProtocol;
 
+    waitForHandshake();
     startTunnel();
 }
 
@@ -667,6 +673,8 @@
         protocolName = @"WireGuard";
     } else if (tunnelProtocol.providerConfiguration[@"ovpn"] != nil) {
         protocolName = @"OpenVPN";
+    } else if (tunnelProtocol.providerConfiguration[@"xray"] != nil) {
+        protocolName = @"XRay";
     }
 
     m_rxBytes = 0;
@@ -863,3 +871,83 @@
     }];
     [task resume];
 }
+
+void IosController::stopForHandshake() {
+    if (m_handshakeTimer) {
+        if (QThread::currentThread() != m_handshakeTimer->thread()) {
+            QMetaObject::invokeMethod(m_handshakeTimer, "stop", Qt::QueuedConnection);
+            QMetaObject::invokeMethod(m_handshakeTimer, "deleteLater", Qt::QueuedConnection);
+            m_handshakeTimer = nullptr;
+            return;
+        }
+        if (m_handshakeTimer->isActive()) {
+            m_handshakeTimer->stop();
+        }
+        m_handshakeTimer->deleteLater();
+        m_handshakeTimer = nullptr;
+
+        qDebug() << "Handshake monitoring stopped.";
+    } else {
+        qDebug() << "No active handshake monitoring to stop.";
+    }
+}
+
+void IosController::waitForHandshake() {
+    qDebug() << "Waiting for last_handshake_time_sec to be greater than 0...";
+
+    // Initialize the timer if it's null
+    if (!m_handshakeTimer) {
+        m_handshakeTimer = new QTimer(this);
+
+        // Connect the timer's timeout signal to perform handshake checking
+        connect(m_handshakeTimer, &QTimer::timeout, this, [this]() {
+            // Prepare the message to check status
+            NSString *actionKey = [NSString stringWithUTF8String:MessageKey::action];
+            NSString *actionValue = [NSString stringWithUTF8String:Action::getStatus];
+            NSString *tunnelIdKey = [NSString stringWithUTF8String:MessageKey::tunnelId];
+            NSString *tunnelIdValue = !m_tunnelId.isEmpty() ? m_tunnelId.toNSString() : @"";
+
+            NSDictionary *message = @{actionKey: actionValue, tunnelIdKey: tunnelIdValue};
+
+            // Lambda to handle the response
+            auto checkHandshake = [this](NSDictionary *response) {
+                uint64_t last_handshake_time_sec = 0;
+                if (response && response[@"last_handshake_time_sec"] &&
+                    ![response[@"last_handshake_time_sec"] isKindOfClass:[NSNull class]]) {
+                    last_handshake_time_sec = [response[@"last_handshake_time_sec"] unsignedLongLongValue];
+                }
+
+                qDebug() << "last_handshake_time_sec:" << last_handshake_time_sec;
+
+                if (last_handshake_time_sec > 0) {
+                    // Handshake successful, update state
+                    qDebug() << "Handshake detected, updating state to CONNECTED.";
+                    emit connectionStateChanged(Vpn::ConnectionState::Connected);
+                    stopForHandshake();
+                    return;
+                } else {
+                    if (last_handshake_time_sec == 0) {
+                        // Keep retrying
+                        emit connectionStateChanged(Vpn::ConnectionState::Connecting);
+                    } else {
+                        // Handle handshake failure and stop monitoring
+                        emit connectionStateChanged(Vpn::ConnectionState::Disconnected);
+                        stopForHandshake();
+                        return;
+                    }
+                }
+            };
+
+            // Send the message to the VPN extension
+            sendVpnExtensionMessage(message, checkHandshake);
+        });
+
+        qDebug() << "Handshake timer initialized.";
+    }
+
+    // Start the timer only if it's not already active
+    if (m_handshakeTimer && !m_handshakeTimer->isActive()) {
+        m_handshakeTimer->start(1000); // Retry every 1 second
+        qDebug() << "Handshake timer Retry every 1 second";
+    }
+}