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diff --git a/trunk/qpid/cpp/src/qpid/client/amqp0_10/SenderImpl.cpp b/trunk/qpid/cpp/src/qpid/client/amqp0_10/SenderImpl.cpp
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-/*
- *
- * 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 "SenderImpl.h"
-#include "MessageSink.h"
-#include "SessionImpl.h"
-#include "AddressResolution.h"
-#include "OutgoingMessage.h"
-#include "qpid/messaging/Session.h"
-
-namespace qpid {
-namespace client {
-namespace amqp0_10 {
-
-SenderImpl::SenderImpl(SessionImpl& _parent, const std::string& _name,
- const qpid::messaging::Address& _address) :
- parent(_parent), name(_name), address(_address), state(UNRESOLVED),
- capacity(50), window(0), flushed(false) {}
-
-void SenderImpl::send(const qpid::messaging::Message& message)
-{
- Send f(*this, &message);
- while (f.repeat) parent.execute(f);
-}
-
-void SenderImpl::cancel()
-{
- execute<Cancel>();
-}
-
-void SenderImpl::setCapacity(uint32_t c)
-{
- bool flush = c < capacity;
- capacity = c;
- execute1<CheckPendingSends>(flush);
-}
-uint32_t SenderImpl::getCapacity() { return capacity; }
-uint32_t SenderImpl::pending()
-{
- CheckPendingSends f(*this, false);
- parent.execute(f);
- return f.pending;
-}
-
-void SenderImpl::init(qpid::client::AsyncSession s, AddressResolution& resolver)
-{
- session = s;
- if (state == UNRESOLVED) {
- sink = resolver.resolveSink(session, address);
- state = ACTIVE;
- }
- if (state == CANCELLED) {
- sink->cancel(session, name);
- parent.senderCancelled(name);
- } else {
- sink->declare(session, name);
- replay();
- }
-}
-
-void SenderImpl::waitForCapacity()
-{
- //TODO: add option to throw exception rather than blocking?
- if (capacity <= (flushed ? checkPendingSends(false) : outgoing.size())) {
- //Initial implementation is very basic. As outgoing is
- //currently only reduced on receiving completions and we are
- //blocking anyway we may as well sync(). If successful that
- //should clear all outstanding sends.
- session.sync();
- checkPendingSends(false);
- }
- //flush periodically and check for conmpleted sends
- if (++window > (capacity / 4)) {//TODO: make this configurable?
- checkPendingSends(true);
- window = 0;
- }
-}
-
-void SenderImpl::sendImpl(const qpid::messaging::Message& m)
-{
- //TODO: make recording for replay optional (would still want to track completion however)
- std::auto_ptr<OutgoingMessage> msg(new OutgoingMessage());
- msg->convert(m);
- msg->setSubject(m.getSubject().empty() ? address.getSubject() : m.getSubject());
- outgoing.push_back(msg.release());
- sink->send(session, name, outgoing.back());
-}
-
-void SenderImpl::replay()
-{
- for (OutgoingMessages::iterator i = outgoing.begin(); i != outgoing.end(); ++i) {
- sink->send(session, name, *i);
- }
-}
-
-uint32_t SenderImpl::checkPendingSends(bool flush)
-{
- if (flush) {
- session.flush();
- flushed = true;
- } else {
- flushed = false;
- }
- while (!outgoing.empty() && outgoing.front().status.isComplete()) {
- outgoing.pop_front();
- }
- return outgoing.size();
-}
-
-void SenderImpl::cancelImpl()
-{
- state = CANCELLED;
- sink->cancel(session, name);
- parent.senderCancelled(name);
-}
-
-const std::string& SenderImpl::getName() const
-{
- return name;
-}
-
-qpid::messaging::Session SenderImpl::getSession() const
-{
- return qpid::messaging::Session(&parent);
-}
-
-}}} // namespace qpid::client::amqp0_10