Improve support for traffic receivers that request a password, but do…

… not need it

CMakeLists.txt

@@ -11,7 +11,7 @@ option(BUILD_DOC "Build developer documentation" OFF)
 # Project data
 #
 
-project(enroute VERSION 2.11.1)
+project(enroute VERSION 2.11.2)
 set(APP_ID de.akaflieg_freiburg.enroute)
 math(EXPR PROJECT_VERSION_CODE 10000*${PROJECT_VERSION_MAJOR}+100*${PROJECT_VERSION_MINOR}+${PROJECT_VERSION_PATCH})
 add_compile_definitions(PROJECT_VERSION="${PROJECT_VERSION}")

src/traffic/TrafficDataSource_Tcp.cpp

@@ -139,6 +139,22 @@ void Traffic::TrafficDataSource_Tcp::setPassword(const QString& SSID, const QStr
     if (SSID != passwordRequest_SSID) {
         return;
     }
+
+    // First case: the device is already delivering data. This happens for Stratux devices
+    // that request a password for historical reasons, but really do not need one.
+    // In this case, accept the password immediately and issue a password storage request
+    // if appropriate
+    if (receivingHeartbeat()) {
+        // emit a password storage request if appropriate
+        auto* passwordDB = Global::passwordDB();
+        if (!passwordDB->contains(passwordRequest_SSID) ||
+            (passwordDB->getPassword(passwordRequest_SSID) != passwordRequest_password)) {
+            emit passwordStorageRequest(passwordRequest_SSID, passwordRequest_password);
+        }
+        return;
+    }
+
+    // Second case: the devise is not yet delivering data. This is the normal case.
     passwordRequest_password = password;
     QTimer::singleShot(0, this, &Traffic::TrafficDataSource_Tcp::sendPassword_internal);
 }