Added available and pendingAck properties to Receiver; added capacity and pending properties to Sender.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk/qpid@814562 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 111 insertions, 0 deletions

diff --git a/cpp/src/qpid/client/amqp0_10/AcceptTracker.cpp b/cpp/src/qpid/client/amqp0_10/AcceptTracker.cpp
new file mode 100644
index 0000000000..80be5c56f3
--- /dev/null
+++ b/cpp/src/qpid/client/amqp0_10/AcceptTracker.cpp
@@ -0,0 +1,111 @@
+/*
+ *
+ * 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 "AcceptTracker.h"
+
+namespace qpid {
+namespace client {
+namespace amqp0_10 {
+
+void AcceptTracker::State::accept()
+{
+    unconfirmed.add(unaccepted);
+    unaccepted.clear();
+}
+
+void AcceptTracker::State::release()
+{
+    unaccepted.clear();
+}
+
+uint32_t AcceptTracker::State::acceptsPending()
+{
+    return unconfirmed.size();
+}
+
+void AcceptTracker::State::completed(qpid::framing::SequenceSet& set)
+{
+    unconfirmed.remove(set);
+}
+
+void AcceptTracker::delivered(const std::string& destination, const qpid::framing::SequenceNumber& id)
+{
+    aggregateState.unaccepted.add(id);
+    destinationState[destination].unaccepted.add(id);
+}
+
+void AcceptTracker::accept(qpid::client::AsyncSession& session)
+{
+    for (StateMap::iterator i = destinationState.begin(); i != destinationState.end(); ++i) {
+        i->second.accept();
+    }
+    Record record;
+    record.status = session.messageAccept(aggregateState.unaccepted);
+    record.accepted = aggregateState.unaccepted;
+    pending.push_back(record);
+    aggregateState.accept();
+}
+
+void AcceptTracker::release(qpid::client::AsyncSession& session)
+{
+    session.messageRelease(aggregateState.unaccepted);
+    for (StateMap::iterator i = destinationState.begin(); i != destinationState.end(); ++i) {
+        i->second.release();
+    }
+    aggregateState.release();
+}
+
+uint32_t AcceptTracker::acceptsPending()
+{
+    checkPending();
+    return aggregateState.acceptsPending();
+}
+
+uint32_t AcceptTracker::acceptsPending(const std::string& destination)
+{
+    checkPending();
+    return destinationState[destination].acceptsPending();
+}
+
+void AcceptTracker::reset()
+{
+    destinationState.clear();
+    aggregateState.unaccepted.clear();
+    aggregateState.unconfirmed.clear();
+    pending.clear();
+}
+
+void AcceptTracker::checkPending()
+{
+    while (!pending.empty() && pending.front().status.isComplete()) {        
+        completed(pending.front().accepted);
+        pending.pop_front();
+    }
+}
+
+void AcceptTracker::completed(qpid::framing::SequenceSet& set)
+{
+    for (StateMap::iterator i = destinationState.begin(); i != destinationState.end(); ++i) {
+        i->second.completed(set);
+    }
+    aggregateState.completed(set);    
+}
+
+}}} // namespace qpid::client::amqp0_10