Start moving towards final 0-10 spec:

* marked preview spec as 99-0 to distinguish it from 0-10 (which will now be used for the final version)
* modified python client to treat 99-0 as 0-10 for now
* modified broker to have two paths for the two different versions: 99-0 uses PreviewConnection, PreviewConnectionHandler 
  and PreviewSessionHandler which are straight copy & pastes of the Connection, ConnectionHandler and SessionHandler now
  associated with 0-10 (so we can migrate the 0-10 path to the final spec without affecting clients working with the preview
  version)
 


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@629883 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 158 insertions, 0 deletions

diff --git a/cpp/src/qpid/broker/PreviewConnectionHandler.cpp b/cpp/src/qpid/broker/PreviewConnectionHandler.cpp
new file mode 100644
index 0000000000..c0f0d9f5e0
--- /dev/null
+++ b/cpp/src/qpid/broker/PreviewConnectionHandler.cpp
@@ -0,0 +1,158 @@
+
+/*
+ *
+ * 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 "PreviewConnectionHandler.h"
+#include "PreviewConnection.h"
+#include "qpid/framing/ConnectionStartBody.h"
+#include "qpid/framing/ClientInvoker.h"
+#include "qpid/framing/ServerInvoker.h"
+
+using namespace qpid;
+using namespace qpid::broker;
+using namespace qpid::framing;
+
+
+namespace 
+{
+const std::string PLAIN = "PLAIN";
+const std::string en_US = "en_US";
+}
+
+void PreviewConnectionHandler::init(const framing::ProtocolInitiation& header) {
+    FieldTable properties;
+    string mechanisms(PLAIN);
+    string locales(en_US);
+    handler->serverMode = true;
+    handler->client.start(header.getMajor(), header.getMinor(), properties, mechanisms, locales);
+}
+
+void PreviewConnectionHandler::close(ReplyCode code, const string& text, ClassId classId, MethodId methodId)
+{
+    handler->client.close(code, text, classId, methodId);
+}
+
+void PreviewConnectionHandler::handle(framing::AMQFrame& frame)
+{
+    AMQMethodBody* method=frame.getBody()->getMethod();
+    try{
+        if (handler->serverMode) {
+            if (!invoke(static_cast<AMQP_ServerOperations::ConnectionHandler&>(*handler.get()), *method))
+                throw ChannelErrorException(QPID_MSG("Class can't be accessed over channel 0"));
+        } else {
+            if (!invoke(static_cast<AMQP_ClientOperations::ConnectionHandler&>(*handler.get()), *method))
+                throw ChannelErrorException(QPID_MSG("Class can't be accessed over channel 0"));
+        }
+    }catch(ConnectionException& e){
+        handler->client.close(e.code, e.what(), method->amqpClassId(), method->amqpMethodId());
+    }catch(std::exception& e){
+        handler->client.close(541/*internal error*/, e.what(), method->amqpClassId(), method->amqpMethodId());
+    }
+}
+
+PreviewConnectionHandler::PreviewConnectionHandler(PreviewConnection& connection)  : handler(new Handler(connection)) {}
+
+PreviewConnectionHandler::Handler:: Handler(PreviewConnection& c) : client(c.getOutput()), server(c.getOutput()), 
+                                                      connection(c), serverMode(false) {}
+
+void PreviewConnectionHandler::Handler::startOk(const framing::FieldTable& /*clientProperties*/,
+    const string& mechanism, 
+    const string& response, const string& /*locale*/)
+{
+    //TODO: handle SASL mechanisms more cleverly
+    if (mechanism == PLAIN) {
+        if (response.size() > 0 && response[0] == (char) 0) {
+            string temp = response.substr(1);
+            string::size_type i = temp.find((char)0);
+            string uid = temp.substr(0, i);
+            string pwd = temp.substr(i + 1);
+            //TODO: authentication
+            connection.setUserId(uid);
+        }
+    }
+    client.tune(framing::CHANNEL_MAX, connection.getFrameMax(), connection.getHeartbeat());
+}
+        
+void PreviewConnectionHandler::Handler::secureOk(const string& /*response*/){}
+        
+void PreviewConnectionHandler::Handler::tuneOk(uint16_t /*channelmax*/,
+    uint32_t framemax, uint16_t heartbeat)
+{
+    connection.setFrameMax(framemax);
+    connection.setHeartbeat(heartbeat);
+}
+        
+void PreviewConnectionHandler::Handler::open(const string& /*virtualHost*/,
+    const string& /*capabilities*/, bool /*insist*/)
+{
+    string knownhosts;
+    client.openOk(knownhosts);
+}
+
+        
+void PreviewConnectionHandler::Handler::close(uint16_t /*replyCode*/, const string& /*replyText*/, 
+    uint16_t /*classId*/, uint16_t /*methodId*/)
+{
+    client.closeOk();
+    connection.getOutput().close();
+} 
+        
+void PreviewConnectionHandler::Handler::closeOk(){
+    connection.getOutput().close();
+} 
+
+
+void PreviewConnectionHandler::Handler::start(uint8_t /*versionMajor*/,
+                                       uint8_t /*versionMinor*/,
+                                       const FieldTable& /*serverProperties*/,
+                                       const string& /*mechanisms*/,
+                                       const string& /*locales*/)
+{
+    string uid = "qpidd";
+    string pwd = "qpidd";
+    string response = ((char)0) + uid + ((char)0) + pwd;
+    server.startOk(FieldTable(), PLAIN, response, en_US);
+    connection.initMgmt(true);
+}
+
+void PreviewConnectionHandler::Handler::secure(const string& /*challenge*/)
+{
+    server.secureOk("");
+}
+
+void PreviewConnectionHandler::Handler::tune(uint16_t channelMax,
+                                      uint32_t frameMax,
+                                      uint16_t heartbeat)
+{
+    connection.setFrameMax(frameMax);
+    connection.setHeartbeat(heartbeat);
+    server.tuneOk(channelMax, frameMax, heartbeat);
+    server.open("/", "", true);
+}
+
+void PreviewConnectionHandler::Handler::openOk(const string& /*knownHosts*/)
+{
+}
+
+void PreviewConnectionHandler::Handler::redirect(const string& /*host*/, const string& /*knownHosts*/)
+{
+    
+}