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authorAlan Conway <aconway@apache.org>2007-02-17 03:46:44 +0000
committerAlan Conway <aconway@apache.org>2007-02-17 03:46:44 +0000
commitf972bfa6c7c9a1b3d5f5fe4753dce7358b6b0215 (patch)
treea3d37ef1999eb4ebdb8bb9d6eaea8b2d3de5dfe2 /cpp/lib/common/sys
parent72de13352dc9c42acfe95a1d76f049c507eb5cfd (diff)
downloadqpid-python-f972bfa6c7c9a1b3d5f5fe4753dce7358b6b0215.tar.gz
* cpp/lib/client/ClientMessage.h/.cpp: Added Message constructor taking data.
* cpp/lib/client/IncomingMessage.cpp: Simplified message aggregation. * cpp/lib/common/framing/AMQ*Body.h: remove unnecessary virtual inheritance. * cpp/lib/common/framing/AMQMethodBody.h: add bool isRequest, isResponse * cpp/lib/common/sys/Mutex.h (class ScopedUnlock): Added ScopedUnlock * cpp/lib/common/sys/ThreadSafeQueue.h: Thread-safe queue template. * cpp/tests/BrokerChannelTest.cpp: Renamed from ChannelTest. * cpp/tests/ClientChannelTest.cpp: Test client API. * cpp/tests/RequestResponseTest.cpp: Removed empty test. * cpp/lib/client/Connection.h,.cpp: - non-static channelIdCounter - No close() in dtor. git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/branches/qpid.0-9@508705 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/lib/common/sys')
-rw-r--r--cpp/lib/common/sys/Mutex.h11
-rw-r--r--cpp/lib/common/sys/ThreadSafeQueue.h99
2 files changed, 110 insertions, 0 deletions
diff --git a/cpp/lib/common/sys/Mutex.h b/cpp/lib/common/sys/Mutex.h
index 4022da2f6e..87d537fb9e 100644
--- a/cpp/lib/common/sys/Mutex.h
+++ b/cpp/lib/common/sys/Mutex.h
@@ -46,12 +46,23 @@ class ScopedLock
L& mutex;
};
+template <class L>
+class ScopedUnlock
+{
+ public:
+ ScopedUnlock(L& l) : mutex(l) { l.unlock(); }
+ ~ScopedUnlock() { mutex.lock(); }
+ private:
+ L& mutex;
+};
+
/**
* Mutex lock.
*/
class Mutex : private boost::noncopyable {
public:
typedef ScopedLock<Mutex> ScopedLock;
+ typedef ScopedUnlock<Mutex> ScopedUnlock;
inline Mutex();
inline ~Mutex();
diff --git a/cpp/lib/common/sys/ThreadSafeQueue.h b/cpp/lib/common/sys/ThreadSafeQueue.h
new file mode 100644
index 0000000000..89454d693f
--- /dev/null
+++ b/cpp/lib/common/sys/ThreadSafeQueue.h
@@ -0,0 +1,99 @@
+#ifndef _sys_ThreadSafeQueue_h
+#define _sys_ThreadSafeQueue_h
+
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include <deque>
+#include "ProducerConsumer.h"
+#include "Exception.h"
+
+namespace qpid {
+namespace sys {
+
+/**
+ * A thread safe queue template.
+ */
+template <class T, class ContainerType=std::deque<T> >
+class ThreadSafeQueue
+{
+ public:
+ struct QueueStoppedException : public Exception {};
+
+ ThreadSafeQueue() {}
+
+ /** Push a value onto the back of the queue */
+ void push(const T& value) {
+ ProducerConsumer::ProducerLock producer(pc);
+ if (producer.isOk()) {
+ producer.confirm();
+ container.push_back(value);
+ }
+ }
+
+ /** Pop a value from the front of the queue. Waits till value is available.
+ *@throw QueueStoppedException if queue is stopped while waiting.
+ */
+ T pop() {
+ ProducerConsumer::ConsumerLock consumer(pc);
+ if (consumer.isOk()) {
+ consumer.confirm();
+ T value(container.front());
+ container.pop_front();
+ return value;
+ }
+ throw QueueStoppedException();
+ }
+
+ /**
+ * If a value becomes available within the timeout, set outValue
+ * and return true. Otherwise return false;
+ */
+ bool pop(T& outValue, const Time& timeout) {
+ ProducerConsumer::ConsumerLock consumer(pc, timeout);
+ if (consumer.isOk()) {
+ consumer.confirm();
+ outValue = container.front();
+ container.pop_front();
+ return true;
+ }
+ return false;
+ }
+
+ /** Interrupt threads waiting in pop() */
+ void stop() { pc.stop(); }
+
+ /** True if queue is stopped */
+ bool isStopped() { return pc.isStopped(); }
+
+ /** Size of the queue */
+ size_t size() { ProducerConsumer::Lock l(pc); return container.size(); }
+
+ /** True if queue is empty */
+ bool empty() { ProducerConsumer::Lock l(pc); return container.empty(); }
+
+ private:
+ ProducerConsumer pc;
+ ContainerType container;
+};
+
+}} // namespace qpid::sys
+
+
+
+#endif /*!_sys_ThreadSafeQueue_h*/