*** empty log message ***

src/gui/official/objectpool.h

@@ -38,7 +38,7 @@ class ObjectPool
   /**
    * This function will wait for an available line.
    */
-  T pop();
+  bool pop(T &value, unsigned long time = ULONG_MAX);
 
  private:
   std::list< T > mPool;

src/gui/official/objectpool.inl

@@ -31,17 +31,21 @@ ObjectPool< T >::push(const T &value)
 }
 
 template< typename T >
-T
-ObjectPool< T >::pop()
+bool
+ObjectPool< T >::pop(T &value, unsigned long time)
 {
   QMutexLocker guard(&mMutex);
-  while(mPool.begin() == mPool.end()) {
-    mDataAvailable.wait(guard.mutex());
-  }
+  mDataAvailable.wait(guard.mutex(), time);
   
+  if(mPool.begin() == mPool.end()) {
+    return false;
+  }
+  else {
     typename std::list< T >::iterator pos = mPool.begin();
     mPool.pop_front();
-  return (*pos);
+    value = (*pos);
+    return true;
+  }
 }
 
 #endif

src/gui/official/requesterimpl.cpp

@@ -21,6 +21,7 @@
 #include <stdexcept>
 #include <sstream>
 
+#include "global.h"
 #include "requesterimpl.h"
 #include "sessionio.h"
 #include "answerreceiver.h"
@@ -171,3 +172,21 @@ RequesterImpl::generateSequenceId()
   return id.str();
 }
 
+void
+RequesterImpl::inputIsDown(const std::string &sessionId)
+{
+  std::map< std::string, SessionIO * >::iterator pos;
+  pos = mSessions.find(sessionId);
+  if(pos == mSessions.end()) {
+    // we will not thow an exception, but this is 
+    // a logic error
+    _debug("SessionIO input for session %s is down, but we don't have that session.\n",
+	   sessionId.c_str());
+  }
+  else {
+    // If we no longer can receive, it means it's 
+    // not possible to receive answer for new requests,
+    // so we close the session.
+    pos->second->stop();
+  }
+}

src/gui/official/requesterimpl.h

@@ -79,6 +79,24 @@ class RequesterImpl
    */
   void registerSession(const std::string &id, SessionIO *io);
 
+  /**
+   * This function is used to notify that the SessionIO
+   * input of a session is down. It means that we no longer
+   * can receive answers. 
+   *
+   * Note: Only SessionIO related classes should call this function.
+   */
+  void inputIsDown(const std::string &sessionId);
+
+  /**
+   * This function is used to notify that the SessionIO
+   * output of a session is down. It means that we no longer
+   * can send requests.
+   *
+   * Note: Only SessionIO related classes should call this function.
+   */
+  void outputIsDown(const std::string &sessionId);
+
  private:
 
   /**

src/gui/official/session.cpp

@@ -32,7 +32,7 @@ Session::Session(const std::string &id)
 Session::Session()
 {
   mId = Requester::instance().generateSessionId();
-  SessionIO *s = new SessionIO(&std::cin, &std::cout);
+  SessionIO *s = new SessionIO(mId, &std::cin, &std::cout);
   Requester::instance().registerSession(mId, s);
 }
 

src/gui/official/sessionio.cpp

@@ -19,6 +19,7 @@
  */
 
 #include "global.h"
+#include "requester.h"
 #include "sessionio.h"
 
 InputStreamer::InputStreamer(SessionIO *sessionIO)
@@ -33,6 +34,7 @@ InputStreamer::run()
   }
 
   _debug("The Session input is down.\n");
+  Requester::instance().inputIsDown(mSessionIO->id);
 }
 
 OutputStreamer::OutputStreamer(SessionIO *sessionIO)
@@ -49,8 +51,11 @@ OutputStreamer::run()
   _debug("The Session output is down.\n");
 }
 
-SessionIO::SessionIO(std::istream *input, std::ostream *output)
-  : mIsUp(false)
+SessionIO::SessionIO(const std::string &sessionId, 
+		     std::istream *input, 
+		     std::ostream *output)
+  : id(sessionId)
+  , mIsUp(false)
   , mInput(input)
   , mOutput(output)
   , mInputStreamer(this)
@@ -60,6 +65,7 @@ SessionIO::SessionIO(std::istream *input, std::ostream *output)
 SessionIO::~SessionIO()
 {
   stop();
+  waitStop();
 }
 
 bool
@@ -75,6 +81,7 @@ void
 SessionIO::start()
 {
   stop();
+  waitStop();
   //just protecting the mutex
   {
     QMutexLocker guard(&mMutex);
@@ -90,7 +97,11 @@ SessionIO::stop()
   mMutex.lock();
   mIsUp = false;
   mMutex.unlock();
+}
 
+void
+SessionIO::waitStop() 
+{
   mInputStreamer.wait();
   mOutputStreamer.wait();
 }
@@ -104,7 +115,7 @@ SessionIO::send(const std::string &request)
 void 
 SessionIO::receive(std::string &answer)
 {
-  answer = mInputPool.pop();
+  mInputPool.pop(answer);
 }
 
 void
@@ -116,10 +127,13 @@ SessionIO::send()
     mMutex.unlock();
   }
   else {
-    (*mOutput) << mOutputPool.pop();
+    std::string output;
+    if(mOutputPool.pop(output, 100)) {
+      (*mOutput) << output;
       mOutput->flush();
     }
   }
+}
 
 void
 SessionIO::receive()

src/gui/official/sessionio.h

@@ -68,7 +68,6 @@ class OutputStreamer : public QThread
   SessionIO *mSessionIO;
 };
 
-
 /**
  * This is the main class that will handle 
  * the IO.
@@ -82,7 +81,9 @@ class SessionIO
   /**
    * Those streams will be the streams read or write to.
    */
-  SessionIO(std::istream *input, std::ostream *output);
+  SessionIO(const std::string &id, 
+	    std::istream *input, 
+	    std::ostream *output);
   ~SessionIO();
 
   /**
@@ -93,10 +94,18 @@ class SessionIO
 
   /**
    * This function will stop the streaming
-   * processing.
+   * processing. On return, the service 
+   * might not be completly down. You need
+   * to use waitStop if you want to be sure.
    */
   void stop();
 
+  /**
+   * This function will wait until the 
+   * service is really down.
+   */
+  void waitStop();
+
   /**
    * You can use this function for sending request.
    * The sending is non-blocking. This function will
@@ -128,6 +137,9 @@ class SessionIO
    */
   void receive();
 
+ public:
+  const std::string id;
+  
  private:
   QMutex mMutex;
   bool mIsUp;