Import of qpid from etp:

  URL: https://etp.108.redhat.com/svn/etp/trunk/blaze
  Repository Root: https://etp.108.redhat.com/svn/etp
  Repository UUID: 06e15bec-b515-0410-bef0-cc27a458cf48
  Revision: 608



git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@447994 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 148 insertions, 0 deletions

diff --git a/cpp/broker/src/Channel.cpp b/cpp/broker/src/Channel.cpp
new file mode 100644
index 0000000000..6980fe5a1b
--- /dev/null
+++ b/cpp/broker/src/Channel.cpp
@@ -0,0 +1,148 @@
+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed 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 "Channel.h"
+#include "QpidError.h"
+#include <iostream>
+#include <sstream>
+#include <assert.h>
+
+using namespace qpid::broker;
+using namespace qpid::framing;
+using namespace qpid::concurrent;
+
+Channel::Channel(OutputHandler* _out, int _id, u_int32_t _framesize) : out(_out), 
+                                                                       id(_id), 
+                                                                       framesize(_framesize),
+                                                                       transactional(false),
+                                                                       deliveryTag(1),
+                                                                       tagGenerator("sgen"){}
+
+Channel::~Channel(){
+    for(consumer_iterator i = consumers.begin(); i != consumers.end(); i = consumers.begin() ){
+        std::cout << "ERROR: Channel consumer appears not to have been cancelled before channel was destroyed." << std::endl;
+        delete (i->second);
+    }
+}
+
+bool Channel::exists(string& consumerTag){
+    return consumers.find(consumerTag) != consumers.end();
+}
+
+void Channel::consume(string& tag, Queue::shared_ptr queue, bool acks, bool exclusive, ConnectionToken* const connection){
+    if(tag.empty()) tag = tagGenerator.generate();
+
+    ConsumerImpl* c(new ConsumerImpl(this, tag, queue, connection));
+    try{
+        queue->consume(c, exclusive);//may throw exception
+        consumers[tag] = c;
+    }catch(ExclusiveAccessException& e){
+        delete c;
+        throw e;
+    }
+}
+
+void Channel::cancel(string& tag){
+    ConsumerImpl* c = consumers[tag];
+    if(c){
+        c->cancel();
+        consumers.erase(tag);
+        delete c;
+    }
+}
+
+void Channel::close(){
+    //cancel all consumers
+    for(consumer_iterator i = consumers.begin(); i != consumers.end(); i = consumers.begin() ){
+        ConsumerImpl* c = i->second;
+        c->cancel();
+        consumers.erase(i);
+        delete c;
+    }
+}
+
+void Channel::begin(){
+    transactional = true;
+}
+
+void Channel::commit(){
+
+}
+
+void Channel::rollback(){
+
+}
+
+void Channel::deliver(Message::shared_ptr& msg, string& consumerTag){
+    //send deliver method, header and content(s)
+    msg->deliver(out, id, consumerTag, deliveryTag++, framesize);
+}
+
+Channel::ConsumerImpl::ConsumerImpl(Channel* _parent, string& _tag, 
+                                    Queue::shared_ptr _queue, 
+                                    ConnectionToken* const _connection) : parent(_parent), 
+                                                                         tag(_tag), 
+                                                                         queue(_queue),
+                                                                         connection(_connection){
+}
+
+bool Channel::ConsumerImpl::deliver(Message::shared_ptr& msg){
+    if(connection != msg->getPublisher()){
+        parent->deliver(msg, tag);
+        return true;
+    }else{
+        return false;
+    }
+}
+
+void Channel::ConsumerImpl::cancel(){
+    if(queue) queue->cancel(this);
+}
+
+void Channel::handlePublish(Message* msg){
+    if(message.get()){
+        THROW_QPID_ERROR(PROTOCOL_ERROR + 504, "Invalid message sequence: got publish before previous content was completed.");
+    }
+    message = Message::shared_ptr(msg);
+}
+
+void Channel::handleHeader(AMQHeaderBody::shared_ptr header, ExchangeRegistry* exchanges){
+    if(!message.get()){
+        THROW_QPID_ERROR(PROTOCOL_ERROR + 504, "Invalid message sequence: got header before publish.");
+    }
+    message->setHeader(header);
+    if(message->isComplete()){
+        publish(exchanges);
+    }
+}
+
+void Channel::handleContent(AMQContentBody::shared_ptr content, ExchangeRegistry* exchanges){
+    if(!message.get()){
+        THROW_QPID_ERROR(PROTOCOL_ERROR + 504, "Invalid message sequence: got content before publish.");
+    }
+    message->addContent(content);
+    if(message->isComplete()){
+        publish(exchanges);
+    }
+}
+
+void Channel::publish(ExchangeRegistry* exchanges){
+    if(!route(message, exchanges)){
+        std::cout << "WARNING: Could not route message." << std::endl;
+    }
+    message.reset();
+}