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-rw-r--r--cpp/src/IceGrid/NodeCache.cpp125
1 files changed, 125 insertions, 0 deletions
diff --git a/cpp/src/IceGrid/NodeCache.cpp b/cpp/src/IceGrid/NodeCache.cpp
new file mode 100644
index 00000000000..7ba160e0129
--- /dev/null
+++ b/cpp/src/IceGrid/NodeCache.cpp
@@ -0,0 +1,125 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <IceUtil/Functional.h>
+
+#include <IceGrid/NodeCache.h>
+#include <IceGrid/NodeSessionI.h>
+#include <IceGrid/ServerCache.h>
+
+using namespace std;
+using namespace IceGrid;
+
+NodeEntryPtr
+NodeCache::get(const string& name, bool create) const
+{
+ Lock sync(*this);
+ NodeCache& self = const_cast<NodeCache&>(*this);
+ NodeEntryPtr entry = self.getImpl(name, create);
+ if(!entry)
+ {
+ NodeNotExistException ex;
+ ex.name = name;
+ throw ex;
+ }
+ return entry;
+}
+
+NodeEntry::NodeEntry(Cache<string, NodeEntry>& cache, const std::string& name) :
+ _cache(cache),
+ _name(name)
+{
+}
+
+void
+NodeEntry::addServer(const ServerEntryPtr& entry)
+{
+ Lock sync(*this);
+ _servers.insert(make_pair(entry->getName(), entry));
+}
+
+void
+NodeEntry::removeServer(const ServerEntryPtr& entry)
+{
+ bool remove = false;
+ {
+ Lock sync(*this);
+ _servers.erase(entry->getName());
+ remove = _servers.empty() && !_session;
+ }
+ if(remove)
+ {
+ _cache.remove(_name);
+ }
+}
+
+void
+NodeEntry::setSession(const NodeSessionIPtr& session)
+{
+ bool remove = false;
+ {
+ Lock sync(*this);
+ if(session && _session)
+ {
+ throw NodeActiveException();
+ }
+ _session = session;
+ remove = _servers.empty() && !_session;
+ }
+ if(remove)
+ {
+ _cache.remove(_name);
+ }
+
+ if(session)
+ {
+ ServerEntrySeq entries;
+ {
+ Lock sync(*this);
+ for(map<string, ServerEntryPtr>::const_iterator q = _servers.begin() ; q != _servers.end(); ++q)
+ {
+ if(q->second->needsSync())
+ {
+ entries.push_back(q->second);
+ }
+ }
+ }
+ for_each(entries.begin(), entries.end(), IceUtil::voidMemFun(&ServerEntry::sync));
+ }
+}
+
+NodePrx
+NodeEntry::getProxy() const
+{
+ Lock sync(*this);
+ if(!_session)
+ {
+ throw NodeUnreachableException();
+ }
+ return _session->getNode();
+}
+
+Ice::StringSeq
+NodeEntry::getServers() const
+{
+ Lock sync(*this);
+ Ice::StringSeq names;
+ for(map<string, ServerEntryPtr>::const_iterator p = _servers.begin(); p != _servers.end(); ++p)
+ {
+ names.push_back(p->second->getName());
+ }
+ return names;
+}
+
+bool
+NodeEntry::canRemove()
+{
+ Lock sync(*this);
+ return !_session && _servers.empty();
+}