summaryrefslogtreecommitdiff
path: root/qpid/cpp/src/qpid/framing/SendContent.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'qpid/cpp/src/qpid/framing/SendContent.cpp')
-rw-r--r--qpid/cpp/src/qpid/framing/SendContent.cpp66
1 files changed, 66 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/framing/SendContent.cpp b/qpid/cpp/src/qpid/framing/SendContent.cpp
new file mode 100644
index 0000000000..04b60396da
--- /dev/null
+++ b/qpid/cpp/src/qpid/framing/SendContent.cpp
@@ -0,0 +1,66 @@
+/*
+ *
+ * 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/framing/SendContent.h"
+
+qpid::framing::SendContent::SendContent(FrameHandler& h, uint16_t mfs, uint efc) : handler(h),
+ maxFrameSize(mfs),
+ expectedFrameCount(efc), frameCount(0) {}
+
+void qpid::framing::SendContent::operator()(const AMQFrame& f)
+{
+ bool first = frameCount == 0;
+ bool last = ++frameCount == expectedFrameCount;
+
+ uint16_t maxContentSize = maxFrameSize - AMQFrame::frameOverhead();
+ const AMQContentBody* body(f.castBody<AMQContentBody>());
+ if (body->encodedSize() > maxContentSize) {
+ uint32_t offset = 0;
+ for (int chunk = body->encodedSize() / maxContentSize; chunk > 0; chunk--) {
+ sendFragment(*body, offset, maxContentSize, first && offset == 0, last && offset + maxContentSize == body->encodedSize());
+ offset += maxContentSize;
+ }
+ uint32_t remainder = body->encodedSize() % maxContentSize;
+ if (remainder) {
+ sendFragment(*body, offset, remainder, first && offset == 0, last);
+ }
+ } else {
+ AMQFrame copy(f);
+ setFlags(copy, first, last);
+ handler.handle(copy);
+ }
+}
+
+void qpid::framing::SendContent::sendFragment(const AMQContentBody& body, uint32_t offset, uint16_t size, bool first, bool last) const
+{
+ AMQFrame fragment((AMQContentBody(body.getData().substr(offset, size))));
+ setFlags(fragment, first, last);
+ handler.handle(fragment);
+}
+
+void qpid::framing::SendContent::setFlags(AMQFrame& f, bool first, bool last) const
+{
+ f.setBof(false);
+ f.setBos(first);
+ f.setEof(true);//content is always the last segment
+ f.setEos(last);
+}
+