Basic AMQP 1.0 support for qpid::messaging API

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/gs-amqp-1-0-sandbox@1311733 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 116 insertions, 0 deletions

diff --git a/qpid/cpp/src/qpid/messaging/amqp/SenderContext.cpp b/qpid/cpp/src/qpid/messaging/amqp/SenderContext.cpp
new file mode 100644
index 0000000000..521538952d
--- /dev/null
+++ b/qpid/cpp/src/qpid/messaging/amqp/SenderContext.cpp
@@ -0,0 +1,116 @@
+/*
+ *
+ * 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 "SenderContext.h"
+#include "qpid/messaging/exceptions.h"
+#include "qpid/messaging/Message.h"
+#include "qpid/log/Statement.h"
+extern "C" {
+#include "proton/engine.h"
+#include "proton/message.h"
+}
+
+namespace qpid {
+namespace messaging {
+namespace amqp {
+//TODO: proper conversion to wide string for address
+SenderContext::SenderContext(pn_session_t* session, const std::string& n, const std::string& t)
+  : name(n),
+    target(t.begin(), t.end()),
+    sender(pn_sender(session, target.c_str())), capacity(1000) {}
+
+SenderContext::~SenderContext()
+{
+    pn_link_destroy(sender);
+}
+
+void SenderContext::close()
+{
+
+}
+
+void SenderContext::setCapacity(uint32_t c)
+{
+    if (c < deliveries.size()) throw qpid::messaging::SenderError("Desired capacity is less than unsettled message count!");
+    capacity = c;
+}
+
+uint32_t SenderContext::getCapacity()
+{
+    return capacity;
+}
+
+uint32_t SenderContext::getUnsettled()
+{
+    return processUnsettled();
+}
+
+const std::string& SenderContext::getName() const
+{
+    return name;
+}
+
+const std::wstring& SenderContext::getTarget() const
+{
+    return target;
+}
+
+SenderContext::Delivery* SenderContext::send(const qpid::messaging::Message& message)
+{
+    if (processUnsettled() < capacity) {
+        deliveries.push_back(Delivery(nextId++, message));
+        Delivery& delivery = deliveries.back();
+        delivery.send(sender);
+        return &delivery;
+    } else {
+        return 0;
+    }
+}
+
+uint32_t SenderContext::processUnsettled()
+{
+    //remove accepted messages from front of deque
+    while (!deliveries.empty() && deliveries.front().accepted()) {
+        deliveries.pop_front();
+    }
+    return deliveries.size();
+}
+
+SenderContext::Delivery::Delivery(int32_t i, const qpid::messaging::Message& msg) :
+    id(i), token(0)
+{
+    data.resize(msg.getContentSize() + 15);
+    //TODO: full message encoding including headers etc
+    pn_message_data(&data[0], data.size(), msg.getContentPtr(), msg.getContentSize());
+}
+void SenderContext::Delivery::send(pn_link_t* sender)
+{
+    pn_delivery_tag_t tag;
+    tag.size = sizeof(int32_t);
+    tag.bytes = reinterpret_cast<char*>(&id);
+    token = pn_delivery(sender, tag);
+    pn_send(sender, &data[0], data.size());
+}
+bool SenderContext::Delivery::accepted()
+{
+    return pn_remote_disp(token) == PN_ACCEPTED;
+}
+
+}}} // namespace qpid::messaging::amqp