QPID-3046 - Updates

 - Additional header comments
 - Added pendingEvents method to ConsoleSession and AgentSession
 - Ensure that nextEvent will not block if timeout is IMMEDIATE (ConsoleSession and AgentSession).


git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@1076625 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 9 insertions, 1 deletions

diff --git a/cpp/src/qmf/ConsoleSession.cpp b/cpp/src/qmf/ConsoleSession.cpp
index e12c1152f6..2136a7d449 100644
--- a/cpp/src/qmf/ConsoleSession.cpp
+++ b/cpp/src/qmf/ConsoleSession.cpp
@@ -54,6 +54,7 @@ void ConsoleSession::setAgentFilter(const string& f) { impl->setAgentFilter(f);
 void ConsoleSession::open() { impl->open(); }
 void ConsoleSession::close() { impl->close(); }
 bool ConsoleSession::nextEvent(ConsoleEvent& e, Duration t) { return impl->nextEvent(e, t); }
+int ConsoleSession::pendingEvents() const { return impl->pendingEvents(); }
 uint32_t ConsoleSession::getAgentCount() const { return impl->getAgentCount(); }
 Agent ConsoleSession::getAgent(uint32_t i) const { return impl->getAgent(i); }
 Agent ConsoleSession::getConnectedBrokerAgent() const { return impl->getConnectedBrokerAgent(); }
@@ -213,7 +214,7 @@ bool ConsoleSessionImpl::nextEvent(ConsoleEvent& event, Duration timeout)
     uint64_t milliseconds = timeout.getMilliseconds();
     qpid::sys::Mutex::ScopedLock l(lock);
 
-    if (eventQueue.empty())
+    if (eventQueue.empty() && milliseconds > 0)
         cond.wait(lock, qpid::sys::AbsTime(qpid::sys::now(),
                                            qpid::sys::Duration(milliseconds * qpid::sys::TIME_MSEC)));
 
@@ -227,6 +228,13 @@ bool ConsoleSessionImpl::nextEvent(ConsoleEvent& event, Duration timeout)
 }
 
 
+int ConsoleSessionImpl::pendingEvents() const
+{
+    qpid::sys::Mutex::ScopedLock l(lock);
+    return eventQueue.size();
+}
+
+
 uint32_t ConsoleSessionImpl::getAgentCount() const
 {
     qpid::sys::Mutex::ScopedLock l(lock);