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Diffstat (limited to 'cpp/src/qpid/client/FailoverManager.cpp')
-rw-r--r-- | cpp/src/qpid/client/FailoverManager.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/cpp/src/qpid/client/FailoverManager.cpp b/cpp/src/qpid/client/FailoverManager.cpp deleted file mode 100644 index 9405765b47..0000000000 --- a/cpp/src/qpid/client/FailoverManager.cpp +++ /dev/null @@ -1,130 +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 "qpid/client/FailoverManager.h" -#include "qpid/Exception.h" -#include "qpid/log/Statement.h" -#include "qpid/sys/Time.h" - - -namespace qpid { -namespace client { - -using qpid::sys::Monitor; -using qpid::sys::AbsTime; -using qpid::sys::Duration; - -FailoverManager::FailoverManager(const ConnectionSettings& s, - ReconnectionStrategy* rs) : settings(s), strategy(rs), state(IDLE) {} - -void FailoverManager::execute(Command& c) -{ - bool retry = false; - bool completed = false; - AbsTime failed; - while (!completed) { - try { - AsyncSession session = connect().newSession(); - if (retry) { - Duration failoverTime(failed, AbsTime::now()); - QPID_LOG(info, "Failed over for " << &c << " in " << (failoverTime/qpid::sys::TIME_MSEC) << " milliseconds"); - } - c.execute(session, retry); - session.sync();//TODO: shouldn't be required - session.close(); - completed = true; - } catch(const TransportFailure&) { - retry = true; - failed = AbsTime::now(); - } - } -} - -void FailoverManager::close() -{ - Monitor::ScopedLock l(lock); - connection.close(); -} - -Connection& FailoverManager::connect(std::vector<Url> brokers) -{ - Monitor::ScopedLock l(lock); - if (state == CANT_CONNECT) { - state = IDLE;//retry - } - while (!connection.isOpen()) { - if (state == CONNECTING) { - lock.wait(); - } else if (state == CANT_CONNECT) { - throw CannotConnectException("Cannot establish a connection"); - } else { - state = CONNECTING; - Connection c; - if (brokers.empty() && failoverListener.get()) - brokers = failoverListener->getKnownBrokers(); - attempt(c, settings, brokers); - if (c.isOpen()) state = IDLE; - else state = CANT_CONNECT; - connection = c; - lock.notifyAll(); - } - } - return connection; -} - -Connection& FailoverManager::getConnection() -{ - Monitor::ScopedLock l(lock); - return connection; -} - -void FailoverManager::attempt(Connection& c, ConnectionSettings s, std::vector<Url> urls) -{ - Monitor::ScopedUnlock u(lock); - if (strategy) strategy->editUrlList(urls); - if (urls.empty()) { - attempt(c, s); - } else { - for (std::vector<Url>::const_iterator i = urls.begin(); i != urls.end() && !c.isOpen(); ++i) { - for (Url::const_iterator j = i->begin(); j != i->end() && !c.isOpen(); ++j) { - const Address& addr = *j; - s.protocol = addr.protocol; - s.host = addr.host; - s.port = addr.port; - attempt(c, s); - } - } - } -} - -void FailoverManager::attempt(Connection& c, ConnectionSettings s) -{ - try { - QPID_LOG(info, "Attempting to connect to " << s.host << " on " << s.port << "..."); - c.open(s); - failoverListener.reset(new FailoverListener(c)); - QPID_LOG(info, "Connected to " << s.host << " on " << s.port); - } catch (const Exception& e) { - QPID_LOG(info, "Could not connect to " << s.host << " on " << s.port << ": " << e.what()); - } -} - - -}} // namespace qpid::client |