summaryrefslogtreecommitdiff
path: root/M4-RCs/qpid/cpp/src/qpid/xml/XmlExchange.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'M4-RCs/qpid/cpp/src/qpid/xml/XmlExchange.cpp')
-rw-r--r--M4-RCs/qpid/cpp/src/qpid/xml/XmlExchange.cpp263
1 files changed, 0 insertions, 263 deletions
diff --git a/M4-RCs/qpid/cpp/src/qpid/xml/XmlExchange.cpp b/M4-RCs/qpid/cpp/src/qpid/xml/XmlExchange.cpp
deleted file mode 100644
index 5197b239d0..0000000000
--- a/M4-RCs/qpid/cpp/src/qpid/xml/XmlExchange.cpp
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- *
- * 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 "config.h"
-
-#include "XmlExchange.h"
-
-#include "qpid/broker/DeliverableMessage.h"
-
-#include "qpid/log/Statement.h"
-#include "qpid/framing/FieldTable.h"
-#include "qpid/framing/FieldValue.h"
-#include "qpid/framing/reply_exceptions.h"
-
-#include "qpid/Plugin.h"
-
-#include <xercesc/framework/MemBufInputSource.hpp>
-#include <xqilla/context/ItemFactory.hpp>
-#include <xqilla/xqilla-simple.hpp>
-
-#include <iostream>
-#include <sstream>
-
-using namespace qpid::framing;
-using namespace qpid::sys;
-using qpid::management::Manageable;
-namespace _qmf = qmf::org::apache::qpid::broker;
-
-namespace qpid {
-namespace broker {
-
-
-XmlExchange::XmlExchange(const string& _name, Manageable* _parent) : Exchange(_name, _parent)
-{
- if (mgmtExchange != 0)
- mgmtExchange->set_type (typeName);
-}
-
-XmlExchange::XmlExchange(const std::string& _name, bool _durable,
- const FieldTable& _args, Manageable* _parent) :
- Exchange(_name, _durable, _args, _parent)
-{
- if (mgmtExchange != 0)
- mgmtExchange->set_type (typeName);
-}
-
-/*
- * Use the name of the query as the binding key.
- *
- * The first time a given name is used in a binding, the query body
- * must be provided.After that, no query body should be present.
- *
- * To modify an installed query, the user must first unbind the
- * existing query, then replace it by binding again with the same
- * name.
- *
- */
-
- // #### TODO: The Binding should take the query text
- // #### only. Consider encapsulating the entire block, including
- // #### the if condition.
-
-
-bool XmlExchange::bind(Queue::shared_ptr queue, const string& routingKey, const FieldTable* bindingArguments)
-{
- string queryText = bindingArguments->getAsString("xquery");
-
- try {
- RWlock::ScopedWlock l(lock);
-
- XmlBinding::vector& bindings(bindingsMap[routingKey]);
- XmlBinding::vector::ConstPtr p = bindings.snapshot();
- if (!p || std::find_if(p->begin(), p->end(), MatchQueue(queue)) == p->end()) {
- Query query(xqilla.parse(X(queryText.c_str())));
- XmlBinding::shared_ptr binding(new XmlBinding (routingKey, queue, this, query));
- bindings.add(binding);
- QPID_LOG(trace, "Bound successfully with query: " << queryText );
-
- if (mgmtExchange != 0) {
- mgmtExchange->inc_bindingCount();
- ((_qmf::Queue*) queue->GetManagementObject())->inc_bindingCount();
- }
- } else {
- return false;
- }
- }
- catch (XQException& e) {
- throw InternalErrorException(QPID_MSG("Could not parse xquery:"+ queryText));
- }
- catch (...) {
- throw InternalErrorException(QPID_MSG("Unexpected error - Could not parse xquery:"+ queryText));
- }
- routeIVE();
- return true;
-}
-
-bool XmlExchange::unbind(Queue::shared_ptr queue, const string& routingKey, const FieldTable* /*args*/)
-{
- RWlock::ScopedWlock l(lock);
- if (bindingsMap[routingKey].remove_if(MatchQueue(queue))) {
- if (mgmtExchange != 0) {
- mgmtExchange->dec_bindingCount();
- ((_qmf::Queue*) queue->GetManagementObject())->dec_bindingCount();
- }
- return true;
- } else {
- return false;
- }
-}
-
-bool XmlExchange::matches(Query& query, Deliverable& msg, const qpid::framing::FieldTable* args)
-{
- // ### TODO: Need istream for frameset
- // Hack alert - the following code does not work for really large messages
-
- string msgContent;
-
- try {
- msg.getMessage().getFrames().getContent(msgContent);
-
- QPID_LOG(trace, "matches: query is [" << UTF8(query->getQueryText()) << "]");
- QPID_LOG(trace, "matches: message content is [" << msgContent << "]");
-
- boost::scoped_ptr<DynamicContext> context(query->createDynamicContext());
- if (!context.get()) {
- throw InternalErrorException(QPID_MSG("Query context looks munged ..."));
- }
-
- XERCES_CPP_NAMESPACE::MemBufInputSource xml((const XMLByte*) msgContent.c_str(),
- msgContent.length(), "input" );
- Sequence seq(context->parseDocument(xml));
-
- if (args) {
- FieldTable::ValueMap::const_iterator v = args->begin();
- for(; v != args->end(); ++v) {
- // ### TODO: Do types properly
- if (v->second->convertsTo<std::string>()) {
- QPID_LOG(trace, "XmlExchange, external variable: " << v->first << " = " << v->second->getData().getString().c_str());
- Item::Ptr value = context->getItemFactory()->createString(X(v->second->getData().getString().c_str()), context.get());
- context->setExternalVariable(X(v->first.c_str()), value);
- }
- }
- }
-
- if(!seq.isEmpty() && seq.first()->isNode()) {
- context->setContextItem(seq.first());
- context->setContextPosition(1);
- context->setContextSize(1);
- }
- Result result = query->execute(context.get());
- return result->getEffectiveBooleanValue(context.get(), 0);
- }
- catch (XQException& e) {
- QPID_LOG(warning, "Could not parse XML content (or message headers):" << msgContent);
- return 0;
- }
- catch (...) {
- QPID_LOG(warning, "Unexpected error routing message: " << msgContent);
- return 0;
- }
- return 0;
-}
-
-void XmlExchange::route(Deliverable& msg, const string& routingKey, const FieldTable* args)
-{
- PreRoute pr(msg, this);
- try {
- XmlBinding::vector::ConstPtr p;
- {
- RWlock::ScopedRlock l(lock);
- p = bindingsMap[routingKey].snapshot();
- if (!p) return;
- }
- int count(0);
-
- for (std::vector<XmlBinding::shared_ptr>::const_iterator i = p->begin(); i != p->end(); i++) {
- if ((*i)->xquery && matches((*i)->xquery, msg, args)) { // Overly defensive? There should always be a query ...
- msg.deliverTo((*i)->queue);
- count++;
- QPID_LOG(trace, "Delivered to queue" );
-
- if ((*i)->mgmtBinding != 0)
- (*i)->mgmtBinding->inc_msgMatched ();
- }
- }
- if (!count) {
- QPID_LOG(warning, "XMLExchange " << getName() << ": could not route message with query " << routingKey);
- if (mgmtExchange != 0) {
- mgmtExchange->inc_msgDrops ();
- mgmtExchange->inc_byteDrops (msg.contentSize ());
- }
- } else {
- if (mgmtExchange != 0) {
- mgmtExchange->inc_msgRoutes (count);
- mgmtExchange->inc_byteRoutes (count * msg.contentSize ());
- }
- }
-
- if (mgmtExchange != 0) {
- mgmtExchange->inc_msgReceives ();
- mgmtExchange->inc_byteReceives (msg.contentSize ());
- }
- } catch (...) {
- QPID_LOG(warning, "XMLExchange " << getName() << ": exception routing message with query " << routingKey);
- }
-
-
-}
-
-
-bool XmlExchange::isBound(Queue::shared_ptr queue, const string* const routingKey, const FieldTable* const)
-{
- RWlock::ScopedRlock l(lock);
- if (routingKey) {
- XmlBindingsMap::iterator i = bindingsMap.find(*routingKey);
-
- if (i == bindingsMap.end())
- return false;
- if (!queue)
- return true;
- XmlBinding::vector::ConstPtr p = i->second.snapshot();
- return p && std::find_if(p->begin(), p->end(), MatchQueue(queue)) != p->end();
- } else if (!queue) {
- //if no queue or routing key is specified, just report whether any bindings exist
- return bindingsMap.size() > 0;
- } else {
- for (XmlBindingsMap::iterator i = bindingsMap.begin(); i != bindingsMap.end(); i++) {
- XmlBinding::vector::ConstPtr p = i->second.snapshot();
- if (p && std::find_if(p->begin(), p->end(), MatchQueue(queue)) != p->end()) return true;
- }
- return false;
- }
-
-}
-
-
-XmlExchange::~XmlExchange()
-{
- bindingsMap.clear();
-}
-
-const std::string XmlExchange::typeName("xml");
-
-}
-}
View Lorry Controller Status