1 files changed, 146 insertions, 0 deletions
diff --git a/cpp/src/qpid/messaging/amqp/ReceiverContext.cpp b/cpp/src/qpid/messaging/amqp/ReceiverContext.cpp
new file mode 100644
index 0000000000..414793c7fd
--- /dev/null
+++ b/cpp/src/qpid/messaging/amqp/ReceiverContext.cpp
@@ -0,0 +1,146 @@
+/*
+ *
+ * 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/amqp/ReceiverContext.h"
+#include "qpid/messaging/amqp/AddressHelper.h"
+#include "qpid/messaging/Duration.h"
+#include "qpid/messaging/Message.h"
+#include "qpid/amqp/descriptors.h"
+extern "C" {
+#include <proton/engine.h>
+}
+
+namespace qpid {
+namespace messaging {
+namespace amqp {
+//TODO: proper conversion to wide string for address
+ReceiverContext::ReceiverContext(pn_session_t* session, const std::string& n, const qpid::messaging::Address& a)
+  : name(n),
+    address(a),
+    receiver(pn_receiver(session, name.c_str())),
+    capacity(0) {}
+ReceiverContext::~ReceiverContext()
+{
+    pn_link_free(receiver);
+}
+
+void ReceiverContext::setCapacity(uint32_t c)
+{
+    if (c != capacity) {
+        //stop
+        capacity = c;
+        //reissue credit
+    }
+}
+
+uint32_t ReceiverContext::getCapacity()
+{
+    return capacity;
+}
+
+uint32_t ReceiverContext::getAvailable()
+{
+    uint32_t count(0);
+    for (pn_delivery_t* d = pn_unsettled_head(receiver); d; d = pn_unsettled_next(d)) {
+        ++count;
+        if (d == pn_link_current(receiver)) break;
+    }
+    return count;
+}
+
+uint32_t ReceiverContext::getUnsettled()
+{
+    uint32_t count(0);
+    for (pn_delivery_t* d = pn_unsettled_head(receiver); d; d = pn_unsettled_next(d)) {
+        ++count;
+    }
+    return count;
+}
+
+void ReceiverContext::close()
+{
+
+}
+
+const std::string& ReceiverContext::getName() const
+{
+    return name;
+}
+
+const std::string& ReceiverContext::getSource() const
+{
+    return address.getName();
+}
+namespace {
+pn_bytes_t convert(const std::string& s)
+{
+    pn_bytes_t result;
+    result.start = const_cast<char*>(s.data());
+    result.size = s.size();
+    return result;
+}
+bool hasWildcards(const std::string& key)
+{
+    return key.find('*') != std::string::npos || key.find('#') != std::string::npos;
+}
+
+uint64_t getFilterDescriptor(const std::string& key)
+{
+    return hasWildcards(key) ? qpid::amqp::filters::LEGACY_TOPIC_FILTER_CODE : qpid::amqp::filters::LEGACY_DIRECT_FILTER_CODE;
+}
+}
+
+void ReceiverContext::configure() const
+{
+    configure(pn_link_source(receiver));
+}
+void ReceiverContext::configure(pn_terminus_t* source) const
+{
+    pn_terminus_set_address(source, address.getName().c_str());
+    //dynamic create:
+    AddressHelper helper(address);
+    if (helper.createEnabled(AddressHelper::FOR_RECEIVER)) {
+        helper.setNodeProperties(source);
+    }
+
+    if (!address.getSubject().empty()) {
+        //filter:
+        pn_data_t* filter = pn_terminus_filter(source);
+        pn_data_put_map(filter);
+        pn_data_enter(filter);
+        pn_data_put_symbol(filter, convert("subject"));
+        //TODO: At present inserting described values into the map doesn't seem to work; correct this once resolved
+        //pn_data_put_described(filter);
+        //pn_data_enter(filter);
+        //pn_data_put_ulong(filter, getFilterDescriptor(address.getSubject()));
+        pn_data_put_string(filter, convert(address.getSubject()));
+        //pn_data_exit(filter);
+        pn_data_exit(filter);
+    }
+}
+
+bool ReceiverContext::isClosed() const
+{
+    return false;//TODO
+}
+
+
+
+}}} // namespace qpid::messaging::amqp