1 files changed, 84 insertions, 0 deletions
diff --git a/cpp/src/qpid/broker/SessionManager.cpp b/cpp/src/qpid/broker/SessionManager.cpp
new file mode 100644
index 0000000000..20dd29bc31
--- /dev/null
+++ b/cpp/src/qpid/broker/SessionManager.cpp
@@ -0,0 +1,84 @@
+/*
+ *
+ * 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 "SessionManager.h"
+#include "SessionState.h"
+#include "qpid/framing/reply_exceptions.h"
+#include "qpid/memory.h"
+
+#include <boost/bind.hpp>
+
+#include <algorithm>
+#include <functional>
+
+namespace qpid {
+namespace broker {
+
+using namespace sys;
+using namespace framing;
+using std::make_pair;
+
+SessionManager::SessionManager() {}
+
+SessionManager::~SessionManager() {}
+
+std::auto_ptr<SessionState>  SessionManager::open(
+    SessionHandler& h, uint32_t timeout_)
+{
+    Mutex::ScopedLock l(lock);
+    std::auto_ptr<SessionState> session(new SessionState(*this, h, timeout_));
+    active.insert(session->getId());
+    return session;
+}
+
+void  SessionManager::suspend(std::auto_ptr<SessionState> session) {
+    Mutex::ScopedLock l(lock);
+    session->expiry = AbsTime(now(),session->getTimeout());
+    suspended.push_back(session.release()); // In expiry order
+    eraseExpired();
+}
+
+std::auto_ptr<SessionState>  SessionManager::resume(const Uuid& id) {
+    Mutex::ScopedLock l(lock);
+    eraseExpired();
+    if (active.find(id) != active.end()) 
+        throw SessionBusyException(
+            QPID_MSG("Session already active: " << id));
+    Suspended::iterator i = std::find_if(
+        suspended.begin(), suspended.end(),
+        boost::bind(std::equal_to<Uuid>(), id, boost::bind(&SessionState::getId, _1))
+    );
+    if (i == suspended.end())
+        throw InvalidArgumentException(
+            QPID_MSG("No suspended session with id=" << id));
+    active.insert(id);
+    return make_auto_ptr(suspended.release(i).release());
+}
+
+void SessionManager::eraseExpired() {
+    // Called with lock held.
+    Suspended::iterator i = std::lower_bound(
+        suspended.begin(), suspended.end(), now(), 
+        boost::bind(std::less<AbsTime>(), boost::bind(&SessionState::expiry, _1), _2));
+    suspended.erase(suspended.begin(), i);
+}
+
+}} // namespace qpid::broker