public void Connect()
{
if (connected)
throw new InvalidOperationException("The client is already connected.");
storageSystem = new NetworkTreeSystem(connector, managerAddress, cache);
storageSystem.SetMaxNodeCacheHeapSize(maxTransactionNodeCacheHeapSize);
connected = true;
}
public void ConnectNetwork()
{
if (IsConnected)
throw new ApplicationException("Already connected");
serviceTracker = new ServiceStatusTracker(connector);
treeSystem = new NetworkTreeSystem(connector, managerAddresses, localNetworkCache, serviceTracker);
treeSystem.NodeHeapMaxSize = MaxTransactionNodeCacheHeapSize;
connected = true;
}
public void Disconnect()
{
if (connector != null) {
try {
connector.Close();
} finally {
try {
serviceTracker.Stop();
} finally {
connector = null;
serviceTracker = null;
treeSystem = null;
}
connected = false;
}
}
}
private void InitPath(PathInfo pathInfo)
{
IServiceAddress[] manSrvs = managerServers;
// Fetch the path access object for the given name.
PathAccess pathFile = GetPathAccess(pathInfo.PathName);
IPath pathFunction;
try {
pathFunction = pathFile.Path;
} catch (TypeLoadException e) {
throw new CommitFaultException(String.Format("Type not found: {0}", e.Message));
} catch (TypeInitializationException e) {
throw new CommitFaultException(String.Format("Type instantiation exception: {0}", e.Message));
} catch (AccessViolationException e) {
throw new CommitFaultException(String.Format("Illegal Access exception: {0}", e.Message));
}
// Create the connection object (should be fairly lightweight)
INetworkCache localNetCache = MachineState.GetCacheForManager(manSrvs);
IPathConnection connection = new PathConnection(this, pathInfo, connector, manSrvs, localNetCache, serviceTracker);
// Make an initial empty database for the path,
// PENDING: We could keep a cached version of this image, but it's
// miniscule in size.
NetworkTreeSystem treeSystem = new NetworkTreeSystem(connector, manSrvs, localNetCache, serviceTracker);
treeSystem.NodeHeapMaxSize = 1*1024*1024;
DataAddress emptyDbAddr = treeSystem.CreateDatabase();
// Publish the empty state to the path,
connection.Publish(emptyDbAddr);
// Call the initialize function,
pathFunction.Init(connection);
}
public PathConnection(RootService service, PathInfo pathInfo, IServiceConnector connector, IServiceAddress[] managerServers,
INetworkCache cache, ServiceStatusTracker statusTracker)
{
this.service = service;
this.pathInfo = pathInfo;
treeSystem = new NetworkTreeSystem(connector, managerServers, cache, statusTracker);
}
public PathConnection(RootService service, string pathName,
IServiceConnector connector, IServiceAddress manager,
INetworkCache networkCache)
{
this.service = service;
this.pathName = pathName;
treeSystem = new NetworkTreeSystem(connector, manager, networkCache);
}
private void OnDisconnected()
{
connector = null;
storageSystem = null;
}
