diff options
Diffstat (limited to 'qpid/cpp/src/qpid/broker/HeadersExchange.cpp')
| -rw-r--r-- | qpid/cpp/src/qpid/broker/HeadersExchange.cpp | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/qpid/cpp/src/qpid/broker/HeadersExchange.cpp b/qpid/cpp/src/qpid/broker/HeadersExchange.cpp deleted file mode 100644 index c0f6cf19d2..0000000000 --- a/qpid/cpp/src/qpid/broker/HeadersExchange.cpp +++ /dev/null @@ -1,205 +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 "HeadersExchange.h" -#include "qpid/framing/FieldValue.h" -#include "qpid/framing/reply_exceptions.h" -#include <algorithm> - - -using namespace qpid::broker; -using namespace qpid::framing; -using namespace qpid::sys; - -// TODO aconway 2006-09-20: More efficient matching algorithm. -// The current search algorithm really sucks. -// Fieldtables are heavy, maybe use shared_ptr to do handle-body. - -using namespace qpid::broker; - -namespace { - const StringValue all("all"); - const StringValue any("any"); - const std::string x_match("x-match"); -} - -HeadersExchange::HeadersExchange(const string& _name, Manageable* _parent) : - Exchange(_name, _parent) -{ - if (mgmtExchange.get() != 0) - mgmtExchange->set_type (typeName); -} - -HeadersExchange::HeadersExchange(const std::string& _name, bool _durable, - const FieldTable& _args, Manageable* _parent) : - Exchange(_name, _durable, _args, _parent) -{ - if (mgmtExchange.get() != 0) - mgmtExchange->set_type (typeName); -} - -bool HeadersExchange::bind(Queue::shared_ptr queue, const string& /*routingKey*/, const FieldTable* args){ - RWlock::ScopedWlock locker(lock); - FieldTable::ValuePtr what = args->get(x_match); - if (!what || (*what != all && *what != any)) - throw InternalErrorException(QPID_MSG("Invalid x-match value binding to headers exchange.")); - Bindings::iterator i; - - for (i = bindings.begin(); i != bindings.end(); i++) - if (i->first == *args && i->second->queue == queue) - break; - - if (i == bindings.end()) { - Binding::shared_ptr binding (new Binding ("", queue, this)); - HeaderMap headerMap(*args, binding); - - bindings.push_back(headerMap); - if (mgmtExchange.get() != 0) { - mgmtExchange->inc_bindings (); - } - return true; - } else { - return false; - } -} - -bool HeadersExchange::unbind(Queue::shared_ptr queue, const string& /*routingKey*/, const FieldTable* args){ - RWlock::ScopedWlock locker(lock); - Bindings::iterator i; - for (i = bindings.begin(); i != bindings.end(); i++) - if (i->first == *args && i->second->queue == queue) - break; - - if (i != bindings.end()) { - bindings.erase(i); - if (mgmtExchange.get() != 0) { - mgmtExchange->dec_bindings (); - } - return true; - } else { - return false; - } -} - - -void HeadersExchange::route(Deliverable& msg, const string& /*routingKey*/, const FieldTable* args){ - RWlock::ScopedRlock locker(lock); - uint32_t count(0); - - for (Bindings::iterator i = bindings.begin(); i != bindings.end(); ++i, count++) { - if (match(i->first, *args)) msg.deliverTo(i->second->queue); - if (i->second->mgmtBinding.get() != 0) - i->second->mgmtBinding->inc_msgMatched (); - } - - if (mgmtExchange.get() != 0) - { - mgmtExchange->inc_msgReceives (); - mgmtExchange->inc_byteReceives (msg.contentSize ()); - if (count == 0) - { - mgmtExchange->inc_msgDrops (); - mgmtExchange->inc_byteDrops (msg.contentSize ()); - } - else - { - mgmtExchange->inc_msgRoutes (count); - mgmtExchange->inc_byteRoutes (count * msg.contentSize ()); - } - } -} - - -bool HeadersExchange::isBound(Queue::shared_ptr queue, const string* const, const FieldTable* const args) -{ - for (Bindings::iterator i = bindings.begin(); i != bindings.end(); ++i) { - if ( (!args || equal(i->first, *args)) && (!queue || i->second->queue == queue)) { - return true; - } - } - return false; -} - -HeadersExchange::~HeadersExchange() {} - -const std::string HeadersExchange::typeName("headers"); - -namespace -{ - - bool match_values(const FieldValue& bind, const FieldValue& msg) { - return bind.empty() || bind == msg; - } - -} - - -bool HeadersExchange::match(const FieldTable& bind, const FieldTable& msg) { - typedef FieldTable::ValueMap Map; - FieldTable::ValuePtr what = bind.get(x_match); - if (!what) { - return false; - } else if (*what == all) { - for (Map::const_iterator i = bind.begin(); - i != bind.end(); - ++i) - { - if (i->first != x_match) - { - Map::const_iterator j = msg.find(i->first); - if (j == msg.end()) return false; - if (!match_values(*(i->second), *(j->second))) return false; - } - } - return true; - } else if (*what == any) { - for (Map::const_iterator i = bind.begin(); - i != bind.end(); - ++i) - { - if (i->first != x_match) - { - Map::const_iterator j = msg.find(i->first); - if (j != msg.end()) { - if (match_values(*(i->second), *(j->second))) return true; - } - } - } - return false; - } else { - return false; - } -} - -bool HeadersExchange::equal(const FieldTable& a, const FieldTable& b) { - typedef FieldTable::ValueMap Map; - for (Map::const_iterator i = a.begin(); - i != a.end(); - ++i) - { - Map::const_iterator j = b.find(i->first); - if (j == b.end()) return false; - if (!match_values(*(i->second), *(j->second))) return false; - } - return true; -} - - - |