1 files changed, 56 insertions, 0 deletions
diff --git a/cpp/src/qpid/framing/ResumeHandler.cpp b/cpp/src/qpid/framing/ResumeHandler.cpp
new file mode 100644
index 0000000000..9d2c971459
--- /dev/null
+++ b/cpp/src/qpid/framing/ResumeHandler.cpp
@@ -0,0 +1,56 @@
+/*
+ *
+ * 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 WARRANTIE4bS OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#include "ResumeHandler.h"
+#include "qpid/framing/reply_exceptions.h"
+
+#include <boost/bind.hpp>
+
+#include <algorithm>
+
+namespace qpid {
+namespace framing {
+
+void  ResumeHandler::ackReceived(SequenceNumber acked) {
+    if (lastSent < acked)
+        throw InvalidArgumentException("Invalid sequence number in ack");
+    size_t keep = lastSent - acked;
+    if (keep < unacked.size()) 
+        unacked.erase(unacked.begin(), unacked.end()-keep);
+}
+
+void ResumeHandler::resend() {
+    std::for_each(unacked.begin(), unacked.end(),
+                  boost::bind(&FrameHandler::handle,out->next, _1));
+}
+
+void ResumeHandler::handleIn(AMQFrame& f) {
+    ++lastReceived;
+    in.next->handle(f);
+}
+
+void ResumeHandler::handleOut(AMQFrame& f) {
+    ++lastSent;
+    unacked.push_back(f);
+    out.next->handle(f);
+}
+
+
+}} // namespace qpid::framing