* sloved a qt-5.1 --> 5.2 problem.

* sloved multi-thread db access problem. the databaseresource class has been
improved, for each thread, a thread-owned db connection will be cloned from main
db connection.

FunctionalClientTest/maindialog.cpp

@@ -461,7 +461,8 @@ int MainDialog::deal_current_message_block()
 									 );
 		}
 		else
-			QMessageBox::information(this,tr("Failed!"),tr("Log in failed!"));
+            displayMessage(tr("Log in failed!"));
+
 		displayMessage(tr("Res = %1")
 				   .arg(pApp->MsgUnion.msg_ClientLoginRsp.DoneCode)
 				   );
@@ -471,7 +472,7 @@ int MainDialog::deal_current_message_block()
 		if (pApp->MsgUnion.msg_UploadUserListRsp.DoneCode==0)
 			QMessageBox::information(this,tr("Succeed!"),tr("upload succeed!"));
 		else
-			QMessageBox::information(this,tr("Failed!"),tr("upload in Failed!"));
+            displayMessage(tr("Upload failed!"));
 		displayMessage(tr("Res = %1")
 					   .arg(pApp->MsgUnion.msg_UploadUserListRsp.DoneCode)
 					   );
@@ -490,7 +491,7 @@ int MainDialog::deal_current_message_block()
 			ui->plainTextEdit_box_userids->setPlainText(strRes);
 		}
 		else
-			QMessageBox::information(this,tr("Failed!"),tr("download in Failed!"));
+            displayMessage(tr("Download failed!"));
 		displayMessage(tr("Res = %1")
 					   .arg(pApp->MsgUnion.msg_DownloadUserListRsp.DoneCode)
 					   );
@@ -501,11 +502,7 @@ int MainDialog::deal_current_message_block()
 		if (pApp->MsgUnion.msg_ClientLogoutRsp.DoneCode==0)
 			QMessageBox::information(this,tr("Succeed!"),tr("log out succeed!"));
 		else
-			QMessageBox::information(this,tr("Failed!"),tr("download in Failed!"));
-		displayMessage(tr("Res = %1")
-					   .arg(pApp->MsgUnion.msg_ClientLogoutRsp.DoneCode)
-					   );
-		this->client->abort();
+            displayMessage(tr("Download failed!"));
 	}
 	else
 	{

ZoomPipeline_FuncSvr/cluster/zp_clusterterm.cpp

 #include "zp_clusterterm.h"
 #include "zp_clusternode.h"
 #include <assert.h>
+#include <QStringList>
 namespace ZP_Cluster{
 	using namespace std::placeholders;
 	zp_ClusterTerm::zp_ClusterTerm(QString  name,QObject *parent ) :

ZoomPipeline_FuncSvr/database/databaseresource.cpp

@@ -28,7 +28,67 @@ namespace ZPDatabase{
 			emit evt_Message(this,msg);
 			return QSqlDatabase();
 		}
-		return  QSqlDatabase::database(strDBName);
+        //We need a thread owner db , instead of the main DB template
+        QString threadName = QString("%1_%2").arg(strDBName).arg((quint64)currentThreadId());
+        if (false==QSqlDatabase::contains(threadName))
+        {
+            QSqlDatabase db = QSqlDatabase::cloneDatabase(QSqlDatabase::database(strDBName),threadName);
+            if (db.open()==false)
+            {
+                QString msg =  "Database:"+tr(" Connection name ")+threadName+
+                        tr(" Can not be cloned from database %1.").arg(strDBName)+
+                        tr(" Err String:") + db.lastError().text();
+                emit evt_Message(this,msg);
+                return QSqlDatabase();
+            }
+            m_ThreadsDB[strDBName].insert(threadName);
+        }
+        //Confirm the thread-owned db is still open
+        QSqlDatabase db = QSqlDatabase::database(threadName);
+        tagConnectionPara & para = m_dbNames[strDBName];
+        bool bNeedReconnect = false;
+        if (db.isOpen()==true)
+        {
+            if (para.testSQL.length())
+            {
+                QSqlQuery query(db);
+                query.exec(para.testSQL);
+                if (query.lastError().type()!=QSqlError::NoError)
+                {
+                    QString msg = "Database:"+tr(" Connection  ")+threadName+ tr(" confirm failed. MSG=");
+                    msg += query.lastError().text();
+                    emit evt_Message(this,msg);
+                    bNeedReconnect = true;
+                }
+            }
+            if (bNeedReconnect==true)
+            {
+                db.close();
+                QSqlDatabase::removeDatabase(threadName);
+            }
+        }
+        else
+            bNeedReconnect = true;
+        if (bNeedReconnect==true)
+        {
+            db = QSqlDatabase::cloneDatabase(QSqlDatabase::database(strDBName),threadName);
+            if (db.open()==true)
+            {
+                QString msg = "Database:"+tr(" Connection  ")+threadName+ tr(" Re-Established.");
+                emit evt_Message(this,msg);
+            }
+            else
+            {
+                QString msg =  "Database:"+tr(" Connection name ")+threadName+
+                        tr(" Can not be cloned from database %1.").arg(strDBName)+
+                        tr(" Err String:") + db.lastError().text();
+                emit evt_Message(this,msg);
+                m_ThreadsDB[strDBName].remove(threadName);
+                return QSqlDatabase();
+
+            }
+        }
+        return  db;
 	}
 	void DatabaseResource::remove_connections()
 	{
@@ -37,9 +97,10 @@ namespace ZPDatabase{
 			QMutexLocker locker(&m_mutex_reg);
 			sets = currentDatabaseConnections();
 		}
-
 		foreach (QString name, sets.keys())
-			this->remove_connection(name);
+        {
+            this->remove_connection(name);
+        }
 	}
 
 	//!Remove Database
@@ -54,7 +115,8 @@ namespace ZPDatabase{
 			QSqlDatabase::removeDatabase(strDBName);
 			QString msg = "Database:"+tr(" Connection removed ")+strDBName+ tr(" .");
 			emit evt_Message(this,msg);
-
+            RemoveTreadsConnections(strDBName);
+            m_ThreadsDB[strDBName].clear();
 		}
 		else
 		{
@@ -64,6 +126,23 @@ namespace ZPDatabase{
 		m_dbNames.remove(strDBName) ;
 
 	}
+     void DatabaseResource::RemoveTreadsConnections(QString mainName)
+     {
+         if (m_ThreadsDB.contains(mainName))
+         {
+             QSet<QString> & sethreadNames = m_ThreadsDB[mainName];
+             foreach(QString str, sethreadNames)
+             {
+                 QSqlDatabase db = QSqlDatabase::database(str);
+                 if (db.isOpen()==true)
+                     db.close();
+                 QSqlDatabase::removeDatabase(str);
+                 QString msg = "Database:"+tr(" Connection removed ")+str+ tr(" .");
+                 emit evt_Message(this,msg);
+             }
+         }
+     }
+
 	/**
 	 * @brief add a database connection resource
 	 *

ZoomPipeline_FuncSvr/database/databaseresource.h

@@ -7,12 +7,15 @@
 #include <QString>
 #include <QMutex>
 #include <QThread>
-
+#include <QSet>
 namespace ZPDatabase{
 	/**
 	 * @brief this class provide an database reource pool.In different thread, workers can get existing db connections
 	 *  immediately without re-creation operations. The working thread does not maintain db connections, instead of
 	 * maintaining, it just using db resources from DatabaseResource
+     * Important!! When Ever a thread calls DatabaseResource::databse(), a thread-owned dbconnection
+     * will be cloned from main db connection. be careful, this class does not auto remove connections
+     * unless main connection has been removed by DatabaseResource::remove_connection(s)
 	 * @class DatabaseResource databaseresource.h "ZoomPipeline_FuncSvr/database/databaseresource.h"
 	 */
 	class DatabaseResource : public QThread
@@ -67,6 +70,8 @@ namespace ZPDatabase{
 		bool bTerm;
 		QMutex m_mutex_reg;
 		QMap <QString,tagConnectionPara> m_dbNames;
+        QMap <QString, QSet<QString> > m_ThreadsDB;
+        void RemoveTreadsConnections(QString mainName);
 	signals:
 		void evt_Message(QObject *,QString );
 	public slots:

ZoomPipeline_FuncSvr/smartlink/st_client_table.cpp

@@ -5,6 +5,7 @@
 #include "st_cross_svr_msg.h"
 #include <functional>
 #include <QList>
+#include <QStringList>
 namespace ExampleServer{
 	using namespace std::placeholders;
 	st_client_table::st_client_table(

ZoomPipeline_FuncSvr/zpmainframe.ui

@@ -13,9 +13,6 @@
   <property name="windowTitle">
    <string>ZPMainFrame</string>
   </property>
-  <property name="toolTipDuration">
-   <number>-1</number>
-  </property>
   <property name="iconSize">
    <size>
     <width>16</width>
@@ -31,6 +28,9 @@
   <property name="tabShape">
    <enum>QTabWidget::Rounded</enum>
   </property>
+  <property name="toolTipDuration" stdset="0">
+   <number>-1</number>
+  </property>
   <widget class="QWidget" name="centralWidget">
    <layout class="QHBoxLayout" name="horizontalLayout">
     <item>
@@ -995,7 +995,7 @@
      <x>0</x>
      <y>0</y>
      <width>640</width>
-     <height>19</height>
+     <height>23</height>
     </rect>
    </property>
    <widget class="QMenu" name="menu_Control">