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Diffstat (limited to 'qpid/cpp/src/qpid/client/StateManager.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/client/StateManager.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/client/StateManager.cpp b/qpid/cpp/src/qpid/client/StateManager.cpp new file mode 100644 index 0000000000..839d92abdc --- /dev/null +++ b/qpid/cpp/src/qpid/client/StateManager.cpp @@ -0,0 +1,100 @@ +/* + * + * 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/StateManager.h" +#include "qpid/framing/amqp_framing.h" + +using namespace qpid::client; +using namespace qpid::framing; +using namespace qpid::sys; + +StateManager::StateManager(int s) : state(s) {} + +void StateManager::waitForStateChange(int current) +{ + Monitor::ScopedLock l(stateLock); + while (state == current) { + stateLock.wait(); + } +} + +void StateManager::waitFor(int desired) +{ + Monitor::ScopedLock l(stateLock); + while (state != desired) { + stateLock.wait(); + } +} + +void StateManager::waitFor(std::set<int> desired) +{ + Monitor::ScopedLock l(stateLock); + while (desired.find(state) == desired.end()) { + stateLock.wait(); + } +} + +bool StateManager::waitFor(int desired, qpid::sys::Duration timeout) +{ + AbsTime end(now(), timeout); + Monitor::ScopedLock l(stateLock); + while (state != desired && now() < end) { + stateLock.wait(end); + } + return state == desired; +} + +bool StateManager::waitFor(std::set<int> desired, qpid::sys::Duration timeout) +{ + AbsTime end(now(), timeout); + Monitor::ScopedLock l(stateLock); + while (desired.find(state) == desired.end() && now() < end) { + stateLock.wait(end); + } + return desired.find(state) != desired.end(); +} + + +void StateManager::setState(int s) +{ + Monitor::ScopedLock l(stateLock); + state = s; + stateLock.notifyAll(); +} + +bool StateManager::setState(int s, int expected) +{ + Monitor::ScopedLock l(stateLock); + if (state == expected) { + state = s; + stateLock.notifyAll(); + return true; + } else { + return false; + } +} + +int StateManager::getState() const +{ + Monitor::ScopedLock l(stateLock); + return state; +} + |