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Diffstat (limited to 'qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.h')
| -rw-r--r-- | qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.h | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.h b/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.h new file mode 100644 index 0000000000..1c7db17bbb --- /dev/null +++ b/qpid/cpp/src/qpid/client/amqp0_10/SessionImpl.h @@ -0,0 +1,202 @@ +#ifndef QPID_CLIENT_AMQP0_10_SESSIONIMPL_H +#define QPID_CLIENT_AMQP0_10_SESSIONIMPL_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/SessionImpl.h" +#include "qpid/messaging/Variant.h" +#include "qpid/client/Session.h" +#include "qpid/client/SubscriptionManager.h" +#include "qpid/client/amqp0_10/AddressResolution.h" +#include "qpid/client/amqp0_10/IncomingMessages.h" +#include "qpid/sys/Mutex.h" + +namespace qpid { + +namespace messaging { +struct Address; +struct Filter; +class Message; +class Receiver; +class Sender; +class Session; +} + +namespace client { +namespace amqp0_10 { + +class ConnectionImpl; +class ReceiverImpl; +class SenderImpl; + +/** + * Implementation of the protocol independent Session interface using + * AMQP 0-10. + */ +class SessionImpl : public qpid::messaging::SessionImpl +{ + public: + SessionImpl(ConnectionImpl&); + void commit(); + void rollback(); + void acknowledge(); + void reject(qpid::messaging::Message&); + void close(); + void sync(); + void flush(); + qpid::messaging::Address createTempQueue(const std::string& baseName); + qpid::messaging::Sender createSender(const qpid::messaging::Address& address, + const qpid::messaging::VariantMap& options); + qpid::messaging::Receiver createReceiver(const qpid::messaging::Address& address, + const qpid::messaging::VariantMap& options); + qpid::messaging::Receiver createReceiver(const qpid::messaging::Address& address, + const qpid::messaging::Filter& filter, + const qpid::messaging::VariantMap& options); + + void* getLastConfirmedSent(); + void* getLastConfirmedAcknowledged(); + + bool fetch(qpid::messaging::Message& message, qpid::sys::Duration timeout); + qpid::messaging::Message fetch(qpid::sys::Duration timeout); + bool dispatch(qpid::sys::Duration timeout); + + bool get(ReceiverImpl& receiver, qpid::messaging::Message& message, qpid::sys::Duration timeout); + + void receiverCancelled(const std::string& name); + void senderCancelled(const std::string& name); + + void setSession(qpid::client::Session); + + template <class T> bool execute(T& f) + { + try { + qpid::sys::Mutex::ScopedLock l(lock); + f(); + return true; + } catch (TransportFailure&) { + reconnect(); + return false; + } + } + + static SessionImpl& convert(qpid::messaging::Session&); + + private: + typedef std::map<std::string, qpid::messaging::Receiver> Receivers; + typedef std::map<std::string, qpid::messaging::Sender> Senders; + + qpid::sys::Mutex lock; + ConnectionImpl& connection; + qpid::client::Session session; + AddressResolution resolver; + IncomingMessages incoming; + Receivers receivers; + Senders senders; + + bool acceptAny(qpid::messaging::Message*, bool, IncomingMessages::MessageTransfer&); + bool accept(ReceiverImpl*, qpid::messaging::Message*, bool, IncomingMessages::MessageTransfer&); + bool getIncoming(IncomingMessages::Handler& handler, qpid::sys::Duration timeout); + void reconnect(); + + void commitImpl(); + void rollbackImpl(); + void acknowledgeImpl(); + void rejectImpl(qpid::messaging::Message&); + void closeImpl(); + void syncImpl(); + void flushImpl(); + qpid::messaging::Sender createSenderImpl(const qpid::messaging::Address& address, + const qpid::messaging::VariantMap& options); + qpid::messaging::Receiver createReceiverImpl(const qpid::messaging::Address& address, + const qpid::messaging::Filter* filter, + const qpid::messaging::VariantMap& options); + + //functors for public facing methods (allows locking and retry + //logic to be centralised) + struct Command + { + SessionImpl& impl; + + Command(SessionImpl& i) : impl(i) {} + }; + + struct Commit : Command + { + Commit(SessionImpl& i) : Command(i) {} + void operator()() { impl.commitImpl(); } + }; + + struct Rollback : Command + { + Rollback(SessionImpl& i) : Command(i) {} + void operator()() { impl.rollbackImpl(); } + }; + + struct Acknowledge : Command + { + Acknowledge(SessionImpl& i) : Command(i) {} + void operator()() { impl.acknowledgeImpl(); } + }; + + struct Sync : Command + { + Sync(SessionImpl& i) : Command(i) {} + void operator()() { impl.syncImpl(); } + }; + + struct Flush : Command + { + Flush(SessionImpl& i) : Command(i) {} + void operator()() { impl.flushImpl(); } + }; + + struct Reject : Command + { + qpid::messaging::Message& message; + + Reject(SessionImpl& i, qpid::messaging::Message& m) : Command(i), message(m) {} + void operator()() { impl.rejectImpl(message); } + }; + + struct CreateSender; + struct CreateReceiver; + + //helper templates for some common patterns + template <class F> bool execute() + { + F f(*this); + return execute(f); + } + + template <class F> void retry() + { + while (!execute<F>()) {} + } + + template <class F, class P> bool execute1(P p) + { + F f(*this, p); + return execute(f); + } +}; +}}} // namespace qpid::client::amqp0_10 + +#endif /*!QPID_CLIENT_AMQP0_10_SESSIONIMPL_H*/ |