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+#ifndef QPID_CLIENT_AMQP0_10_SENDERIMPL_H
+#define QPID_CLIENT_AMQP0_10_SENDERIMPL_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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 "qpid/messaging/Address.h"
+#include "qpid/messaging/Message.h"
+#include "qpid/messaging/SenderImpl.h"
+#include "qpid/client/AsyncSession.h"
+#include "qpid/client/amqp0_10/SessionImpl.h"
+#include <memory>
+#include <boost/intrusive_ptr.hpp>
+#include <boost/ptr_container/ptr_deque.hpp>
+
+namespace qpid {
+namespace client {
+namespace amqp0_10 {
+
+class AddressResolution;
+class MessageSink;
+struct OutgoingMessage;
+
+/**
+ *
+ */
+class SenderImpl : public qpid::messaging::SenderImpl
+{
+ public:
+ enum State {UNRESOLVED, ACTIVE, CANCELLED};
+
+ SenderImpl(SessionImpl& parent, const std::string& name,
+ const qpid::messaging::Address& address);
+ void send(const qpid::messaging::Message&, bool sync);
+ void close();
+ void setCapacity(uint32_t);
+ uint32_t getCapacity();
+ uint32_t getUnsettled();
+ void init(qpid::client::AsyncSession, AddressResolution&);
+ const std::string& getName() const;
+ qpid::messaging::Session getSession() const;
+
+ private:
+ mutable sys::Mutex lock;
+ boost::intrusive_ptr<SessionImpl> parent;
+ const std::string name;
+ const qpid::messaging::Address address;
+ State state;
+ std::auto_ptr<MessageSink> sink;
+
+ qpid::client::AsyncSession session;
+ std::string destination;
+ std::string routingKey;
+
+ typedef boost::ptr_deque<OutgoingMessage> OutgoingMessages;
+ OutgoingMessages outgoing;
+ uint32_t capacity;
+ uint32_t window;
+ bool flushed;
+ const bool unreliable;
+
+ uint32_t checkPendingSends(bool flush);
+ // Dummy ScopedLock parameter means call with lock held
+ uint32_t checkPendingSends(bool flush, const sys::Mutex::ScopedLock&);
+ void replay(const sys::Mutex::ScopedLock&);
+ void waitForCapacity();
+
+ //logic for application visible methods:
+ void sendImpl(const qpid::messaging::Message&);
+ void sendUnreliable(const qpid::messaging::Message&);
+ void closeImpl();
+
+
+ //functors for application visible methods (allowing locking and
+ //retry to be centralised):
+ struct Command
+ {
+ SenderImpl& impl;
+
+ Command(SenderImpl& i) : impl(i) {}
+ };
+
+ struct Send : Command
+ {
+ const qpid::messaging::Message* message;
+ bool repeat;
+
+ Send(SenderImpl& i, const qpid::messaging::Message* m) : Command(i), message(m), repeat(true) {}
+ void operator()()
+ {
+ impl.waitForCapacity();
+ //from this point message will be recorded if there is any
+ //failure (and replayed) so need not repeat the call
+ repeat = false;
+ impl.sendImpl(*message);
+ }
+ };
+
+ struct UnreliableSend : Command
+ {
+ const qpid::messaging::Message* message;
+
+ UnreliableSend(SenderImpl& i, const qpid::messaging::Message* m) : Command(i), message(m) {}
+ void operator()()
+ {
+ //TODO: ideally want to put messages on the outbound
+ //queue and pull them off in io thread, but the old
+ //0-10 client doesn't support that option so for now
+ //we simply don't queue unreliable messages
+ impl.sendUnreliable(*message);
+ }
+ };
+
+ struct Close : Command
+ {
+ Close(SenderImpl& i) : Command(i) {}
+ void operator()() { impl.closeImpl(); }
+ };
+
+ struct CheckPendingSends : Command
+ {
+ bool flush;
+ uint32_t pending;
+ CheckPendingSends(SenderImpl& i, bool f) : Command(i), flush(f), pending(0) {}
+ void operator()() { pending = impl.checkPendingSends(flush); }
+ };
+
+ //helper templates for some common patterns
+ template <class F> void execute()
+ {
+ F f(*this);
+ parent->execute(f);
+ }
+
+ template <class F, class P> bool execute1(P p)
+ {
+ F f(*this, p);
+ return parent->execute(f);
+ }
+};
+}}} // namespace qpid::client::amqp0_10
+
+#endif /*!QPID_CLIENT_AMQP0_10_SENDERIMPL_H*/