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authorRajith Muditha Attapattu <rajith@apache.org>2011-05-27 15:44:23 +0000
committerRajith Muditha Attapattu <rajith@apache.org>2011-05-27 15:44:23 +0000
commit66765100f4257159622cefe57bed50125a5ad017 (patch)
treea88ee23bb194eb91f0ebb2d9b23ff423e3ea8e37 /cpp/src/qpid/client/FailoverManager.cpp
parent1aeaa7b16e5ce54f10c901d75c4d40f9f88b9db6 (diff)
parent88b98b2f4152ef59a671fad55a0d08338b6b78ca (diff)
downloadqpid-python-rajith_jms_client.tar.gz
Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/src/qpid/client/FailoverManager.cpp')
-rw-r--r--cpp/src/qpid/client/FailoverManager.cpp130
1 files changed, 0 insertions, 130 deletions
diff --git a/cpp/src/qpid/client/FailoverManager.cpp b/cpp/src/qpid/client/FailoverManager.cpp
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--- a/cpp/src/qpid/client/FailoverManager.cpp
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@@ -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