Fixed intermittent leak of client::Connector thread.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@660320 13f79535-47bb-0310-9956-ffa450edef68

5 files changed, 12 insertions, 11 deletions

diff --git a/cpp/src/qpid/client/Connection.cpp b/cpp/src/qpid/client/Connection.cpp
index bec2b0345d..c108c3c86a 100644
--- a/cpp/src/qpid/client/Connection.cpp
+++ b/cpp/src/qpid/client/Connection.cpp
@@ -63,9 +63,13 @@ void Connection::open(
     open(settings);
 }
 
+bool Connection::isOpen() const {
+    return impl && impl->isOpen();
+}
+
 void Connection::open(const ConnectionSettings& settings)
 {
-    if (impl)
+    if (isOpen())
         throw Exception(QPID_MSG("Connection::open() was already called"));
 
     impl = shared_ptr<ConnectionImpl>(new ConnectionImpl(version, settings));
@@ -74,7 +78,7 @@ void Connection::open(const ConnectionSettings& settings)
 }
 
 Session Connection::newSession(const std::string& name) {
-    if (!impl)
+    if (!isOpen())
         throw Exception(QPID_MSG("Connection has not yet been opened"));
     shared_ptr<SessionImpl> simpl(
         new SessionImpl(name, impl, ++channelIdCounter, max_frame_size));
@@ -86,8 +90,8 @@ Session Connection::newSession(const std::string& name) {
 }
 
 void Connection::resume(Session& session) {
-    if (!impl)
-        throw Exception(QPID_MSG("Connection has not yet been opened"));
+    if (!isOpen())
+        throw Exception(QPID_MSG("Connection is not open."));
 
     session.impl->setChannel(++channelIdCounter);
     impl->addSession(session.impl);
@@ -95,10 +99,7 @@ void Connection::resume(Session& session) {
 }
 
 void Connection::close() {
-    if (impl) {
-        impl->close();
-        impl.reset();
-    }
+    impl->close();
 }
 
 }} // namespace qpid::client
diff --git a/cpp/src/qpid/client/Connection.h b/cpp/src/qpid/client/Connection.h
index 5337a20bfa..eb63802161 100644
--- a/cpp/src/qpid/client/Connection.h
+++ b/cpp/src/qpid/client/Connection.h
@@ -121,6 +121,8 @@ class Connection
      * on a different connection to the one that created it.
      */
     void resume(Session& session);
+
+    bool isOpen() const;
 };
 
 }} // namespace qpid::client
diff --git a/cpp/src/qpid/client/ConnectionImpl.cpp b/cpp/src/qpid/client/ConnectionImpl.cpp
index bdafa795c2..81eda0bffb 100644
--- a/cpp/src/qpid/client/ConnectionImpl.cpp
+++ b/cpp/src/qpid/client/ConnectionImpl.cpp
@@ -138,7 +138,6 @@ void ConnectionImpl::closed(uint16_t code, const std::string& text)
     SessionVector save;
     {
         Mutex::ScopedLock l(lock);
-        if (isClosed) return;
         save = closeInternal(l);
     }
     std::for_each(save.begin(), save.end(), boost::bind(&SessionImpl::connectionClosed, _1, code, text));
diff --git a/cpp/src/qpid/client/ConnectionImpl.h b/cpp/src/qpid/client/ConnectionImpl.h
index ac28a0f695..655bca359b 100644
--- a/cpp/src/qpid/client/ConnectionImpl.h
+++ b/cpp/src/qpid/client/ConnectionImpl.h
@@ -74,6 +74,7 @@ class ConnectionImpl : public Bounds,
     ~ConnectionImpl();
     
     void open(const std::string& host, int port);
+    bool isOpen() const { return !isClosed && !isClosing; }
 
     void addSession(const boost::shared_ptr<SessionImpl>&);
         
diff --git a/cpp/src/qpid/client/Connector.h b/cpp/src/qpid/client/Connector.h
index ce2b23a32e..f5628b9bcc 100644
--- a/cpp/src/qpid/client/Connector.h
+++ b/cpp/src/qpid/client/Connector.h
@@ -126,8 +126,6 @@ class Connector : public framing::OutputHandler,
 
     ConnectionImpl* impl;
     
-  friend class Channel;
-
   public:
     Connector(framing::ProtocolVersion pVersion,
               const ConnectionSettings&,