support for setting predefined server in the server list by the command line arguments, bug fix with connection dialog if no country is given but a city, started work for unregistering server

src/connectdlg.cpp

@@ -245,7 +245,8 @@ void CConnectDlg::SetServerList ( const CHostAddress&         InetAddr,
 
         // server location (city and country)
         QString strLocation = vecServerInfo[iIdx].strCity;
-        if ( !strLocation.isEmpty() )
+        if ( ( !strLocation.isEmpty() ) &&
+             ( vecServerInfo[iIdx].eCountry != QLocale::AnyCountry ) )
         {
             strLocation += ", ";
         }

src/llconserverdlgbase.ui

@@ -54,7 +54,7 @@
    <item>
     <widget class="QCheckBox" name="cbRegisterServer" >
      <property name="text" >
-      <string>Register Server</string>
+      <string>Register My Server at Central Server</string>
      </property>
     </widget>
    </item>
@@ -82,7 +82,7 @@
    <item>
     <widget class="QGroupBox" name="GroupBoxServerInfo" >
      <property name="title" >
-      <string>Server Info</string>
+      <string>My Server Info</string>
      </property>
      <layout class="QHBoxLayout" >
       <item>

src/main.cpp

@@ -437,9 +437,12 @@ QString UsageArguments ( char **argv )
         "  -y, --history         enable connection history and set file\n"
         "                        name (server only)\n"
         "  -e, --centralserver   address of the central server (server only)\n"
-        "  -o, --serverinfo      infos of the server in the format:"
+        "  -o, --serverinfo      infos of the server(s) in the format:\n"
-        "                        [name];[city];[country as QLocale ID] (server "
+        "                        [name];[city];[country as QLocale ID]; ...\n"
-        "                        only)\n"
+        "                        [server1 address];[server1 name]; ...\n"
+        "                        [server1 city]; ...\n"
+        "                        [server1 country as QLocale ID]; ...\n"
+        "                        [server2 address]; ... (server only)\n"
         "  -c, --connect         connect to last server on startup (client\n"
         "                        only)\n"
         "  -d, --disableleds     disable LEDs in main window (client only)\n"

src/protocol.cpp

@@ -199,6 +199,12 @@ CONNECTION LESS MESSAGES
       the QLocale class
 
 
+
+- PROTMESSID_CLM_UNREGISTER_SERVER: Unregister a server
+
+    note: does not have any data -> n = 0
+
+
 - PROTMESSID_CLM_SERVER_LIST: Server list message
 
     for each registered server append following data:
@@ -597,6 +603,10 @@ bool CProtocol::ParseConnectionLessMessage ( const CVector<uint8_t>& vecbyData,
             case PROTMESSID_CLM_REGISTER_SERVER:
                 bRet = EvaluateCLRegisterServerMes ( InetAddr, vecData );
                 break;
+
+            case PROTMESSID_CLM_UNREGISTER_SERVER:
+                bRet = EvaluateCLUnregisterServerMes ( InetAddr );
+                break;
             }
         }
         else
@@ -1314,6 +1324,20 @@ bool CProtocol::EvaluateCLRegisterServerMes ( const CHostAddress&     InetAddr,
     return false; // no error
 }
 
+void CProtocol::CreateCLUnregisterServerMes ( const CHostAddress& InetAddr )
+{
+    CreateAndImmSendConLessMessage ( PROTMESSID_CLM_UNREGISTER_SERVER,
+                                     CVector<uint8_t> ( 0 ),
+                                     InetAddr );
+}
+
+bool CProtocol::EvaluateCLUnregisterServerMes ( const CHostAddress& InetAddr )
+{
+    // invoke message action
+    emit CLUnregisterServerReceived ( InetAddr );
+
+    return false; // no error
+}
 
 void CProtocol::CreateCLServerListMes ( const CHostAddress&        InetAddr,
                                         const CVector<CServerInfo> vecServerInfo )

src/protocol.h

@@ -59,7 +59,7 @@
 #define PROTMESSID_CLM_PING_MS_WITHNUMCLIENTS 1002 // for ping time and num. of clients info
 #define PROTMESSID_CLM_SERVER_FULL            1003 // server full message
 #define PROTMESSID_CLM_REGISTER_SERVER        1004 // register server
-#define PROTMESSID_CLM_UNREGISTER_SERVER      1005 // unregister server -> TODO
+#define PROTMESSID_CLM_UNREGISTER_SERVER      1005 // unregister server
 #define PROTMESSID_CLM_SERVER_LIST            1006 // server list
 #define PROTMESSID_CLM_REQ_SERVER_LIST        1007 // request server list
 #define PROTMESSID_CLM_SEND_EMPTY_MESSAGE     1008 // an empty message shall be send
@@ -103,6 +103,7 @@ public:
     void CreateCLServerFullMes ( const CHostAddress& InetAddr );
     void CreateCLRegisterServerMes ( const CHostAddress&    InetAddr,
                                      const CServerCoreInfo& ServerInfo );
+    void CreateCLUnregisterServerMes ( const CHostAddress& InetAddr );
     void CreateCLServerListMes ( const CHostAddress&        InetAddr,
                                  const CVector<CServerInfo> vecServerInfo );
     void CreateCLReqServerListMes ( const CHostAddress& InetAddr );
@@ -213,6 +214,7 @@ protected:
     bool EvaluateCLServerFullMes();
     bool EvaluateCLRegisterServerMes     ( const CHostAddress&     InetAddr,
                                            const CVector<uint8_t>& vecData );
+    bool EvaluateCLUnregisterServerMes   ( const CHostAddress&     InetAddr );
     bool EvaluateCLServerListMes         ( const CHostAddress&     InetAddr,
                                            const CVector<uint8_t>& vecData );
     bool EvaluateCLReqServerListMes      ( const CHostAddress& InetAddr );
@@ -259,6 +261,7 @@ signals:
                                         int iNumClients );
     void CLRegisterServerReceived ( CHostAddress    InetAddr,
                                     CServerCoreInfo ServerInfo );
+    void CLUnregisterServerReceived ( CHostAddress InetAddr );
     void CLServerListReceived ( CHostAddress         InetAddr,
                                 CVector<CServerInfo> vecServerInfo );
     void CLReqServerList ( CHostAddress InetAddr );

src/server.cpp

@@ -289,6 +289,10 @@ CServer::CServer ( const QString& strLoggingFileName,
         SIGNAL ( CLRegisterServerReceived ( CHostAddress, CServerCoreInfo ) ),
         this, SLOT ( OnCLRegisterServerReceived ( CHostAddress, CServerCoreInfo ) ) );
 
+    QObject::connect ( &ConnLessProtocol,
+        SIGNAL ( CLUnregisterServerReceived ( CHostAddress ) ),
+        this, SLOT ( OnCLUnregisterServerReceived ( CHostAddress ) ) );
+
     QObject::connect ( &ConnLessProtocol,
         SIGNAL ( CLReqServerList ( CHostAddress ) ),
         this, SLOT ( OnCLReqServerList ( CHostAddress ) ) );

src/server.h

@@ -254,6 +254,11 @@ public slots:
         ServerListManager.RegisterServer ( InetAddr, ServerInfo );
     }
 
+    void OnCLUnregisterServerReceived ( CHostAddress InetAddr )
+    {
+        ServerListManager.UnregisterServer ( InetAddr );
+    }
+
 
     // CODE TAG: MAX_NUM_CHANNELS_TAG
     // make sure we have MAX_NUM_CHANNELS connections!!!

src/serverlist.cpp

@@ -29,12 +29,26 @@
 CServerListManager::CServerListManager ( const QString& sNCentServAddr,
                                          const QString& strServerInfo,
                                          CProtocol*     pNConLProt )
-    : bUseDefaultCentralServerAddress ( false ),
+    : iNumPredefinedServers           ( 0 ),
+      bUseDefaultCentralServerAddress ( false ),
       pConnLessProtocol               ( pNConLProt )
 {
     // set the central server address
     SetCentralServerAddress ( sNCentServAddr );
 
+    // prepare the server info information
+    QStringList slServInfoSeparateParams;
+    int         iServInfoNumSplitItems = 0;
+
+    if ( !strServerInfo.isEmpty() )
+    {
+        // split the different parameter strings
+        slServInfoSeparateParams = strServerInfo.split ( ";" );
+
+        // get the number of items in the split list
+        iServInfoNumSplitItems = slServInfoSeparateParams.count();
+    }
+
     // per definition, the very first entry is this server and this entry will
     // never be deleted
     ServerList.clear();
@@ -49,37 +63,87 @@ CServerListManager::CServerListManager ( const QString& sNCentServAddr,
         QLocale::system().country(),
         "",
         USED_NUM_CHANNELS,
-        false );
+        true );
 
     // parse the server info string according to definition:
-    // [name];[city];[country as QLocale ID]
+    // [this server name];[this server city]; ...
-    if ( !strServerInfo.isEmpty() )
+    //    [this server country as QLocale ID]; ...
+    // per definition, we expect at least three parameters
+    if ( iServInfoNumSplitItems >= 3 )
     {
-        // split the different parameter strings
+        // [this server name]
-        QStringList slSeparateParameters = strServerInfo.split ( ";" );
+        ThisServerListEntry.strName = slServInfoSeparateParams[0];
 
-        // per definition, we expect three parameters
+        // [this server city]
-        if ( slSeparateParameters.count() == 3 )
+        ThisServerListEntry.strCity = slServInfoSeparateParams[1];
-        {
-            // [name]
-            ThisServerListEntry.strName = slSeparateParameters[0];
 
-            // [city]
+        // [this server country as QLocale ID]
-            ThisServerListEntry.strCity = slSeparateParameters[1];
+        const int iCountry = slServInfoSeparateParams[2].toInt();
-
-            // [country as QLocale ID]
-            const int iCountry = slSeparateParameters[2].toInt();
         if ( ( iCountry >= 0 ) && ( iCountry <= QLocale::LastCountry ) )
         {
             ThisServerListEntry.eCountry = static_cast<QLocale::Country> (
                 iCountry );
         }
     }
-    }
 
     // per definition, the first entry in the server list it the own server
     ServerList.append ( ThisServerListEntry );
 
+    // parse the predefined server infos (if any) according to definition:
+    // [server1 address];[server1 name];[server1 city]; ...
+    //    [server1 country as QLocale ID]; ...
+    //    [server2 address];[server2 name];[server2 city]; ...
+    //    [server2 country as QLocale ID]; ...
+    //    ...
+    int iCurUsedServInfoSplitItems = 3; // three items are used for this server
+
+    // we always expect four items per new server, also check for maximum
+    // allowed number of servers in the server list
+    while ( ( iServInfoNumSplitItems - iCurUsedServInfoSplitItems >= 4 ) &&
+            ( iNumPredefinedServers <= MAX_NUM_SERVERS_IN_SERVER_LIST ) )
+    {
+        // create a new server list entry
+        CServerListEntry NewServerListEntry (
+            CHostAddress(),
+            "",
+            "",
+            QLocale::AnyCountry,
+            "",
+            USED_NUM_CHANNELS,
+            true );
+
+        // [server n address]
+        LlconNetwUtil().ParseNetworkAddress (
+            slServInfoSeparateParams[iCurUsedServInfoSplitItems],
+            NewServerListEntry.HostAddr );
+
+        // [server n name]
+        NewServerListEntry.strName =
+            slServInfoSeparateParams[iCurUsedServInfoSplitItems + 1];
+
+        // [server n city]
+        NewServerListEntry.strCity =
+            slServInfoSeparateParams[iCurUsedServInfoSplitItems + 2];
+
+        // [server n country as QLocale ID]
+        const int iCountry =
+            slServInfoSeparateParams[iCurUsedServInfoSplitItems + 3].toInt();
+
+        if ( ( iCountry >= 0 ) && ( iCountry <= QLocale::LastCountry ) )
+        {
+            NewServerListEntry.eCountry = static_cast<QLocale::Country> (
+                iCountry );
+        }
+
+        // add the new server to the server list
+        ServerList.append ( NewServerListEntry );
+
+        // we have used four items and have created one predefined server
+        // (adjust counters)
+        iCurUsedServInfoSplitItems += 4;
+        iNumPredefinedServers++;
+    }
+
 
     // Connections -------------------------------------------------------------
     QObject::connect ( &TimerPollList, SIGNAL ( timeout() ),
@@ -166,8 +230,8 @@ void CServerListManager::OnTimerPollList()
     QMutexLocker locker ( &Mutex );
 
     // check all list entries except of the very first one (which is the central
-    // server entry) if they are still valid
+    // server entry) and the predefined servers if they are still valid
-    for ( int iIdx = 1; iIdx < ServerList.size(); iIdx++ )
+    for ( int iIdx = 1 + iNumPredefinedServers; iIdx < ServerList.size(); iIdx++ )
     {
         // 1 minute = 60 * 1000 ms
         if ( ServerList[iIdx].RegisterTime.elapsed() >
@@ -232,6 +296,31 @@ void CServerListManager::RegisterServer ( const CHostAddress&    InetAddr,
     }
 }
 
+void CServerListManager::UnregisterServer ( const CHostAddress& InetAddr )
+{
+    QMutexLocker locker ( &Mutex );
+
+    if ( bIsCentralServer && bEnabled )
+    {
+        const int iCurServerListSize = ServerList.size();
+
+        // Find the server to unregister in the list. The very first list entry
+        // must not be checked since this is per definition the central server
+        // (i.e., this server), also the predefined servers must not be checked
+        for ( int iIdx = 1 + iNumPredefinedServers; iIdx < iCurServerListSize; iIdx++ )
+        {
+            if ( ServerList[iIdx].HostAddr == InetAddr )
+            {
+                // remove this list entry
+                ServerList.removeAt ( iIdx );
+
+                // entry found, leave for-loop
+                continue;
+            }
+        }
+    }
+}
+
 void CServerListManager::QueryServerList ( const CHostAddress& InetAddr )
 {
     QMutexLocker locker ( &Mutex );

src/serverlist.h

@@ -146,6 +146,8 @@ public:
     void RegisterServer ( const CHostAddress&    InetAddr,
                           const CServerCoreInfo& ServerInfo );
 
+    void UnregisterServer ( const CHostAddress& InetAddr );
+
     void QueryServerList ( const CHostAddress& InetAddr );
 
 
@@ -173,6 +175,7 @@ protected:
     QMutex                  Mutex;
     QList<CServerListEntry> ServerList;
     QString                 strCentralServerAddress;
+    int                     iNumPredefinedServers;
     bool                    bEnabled;
     bool                    bIsCentralServer;
     bool                    bUseDefaultCentralServerAddress;