public IValue ReadPair(IRequestFrom from, IKey key, string url)
{
Console.WriteLine("from {0} key {1} url {2}", from, key, url);
if (from == null)
{
Console.WriteLine("ReadPair with {0} {1}", key.Key, _hashtable[key.Key]);
if (_manager.Trykey(key))
{
if (_hashtable[key.Key] != null)
return (IValue) _hashtable[key.Key];
Console.WriteLine("not found key");
RequestFrom req = new RequestFrom(url, _myserver);
Console.WriteLine("new request {0}", req._receptor);
// Console.WriteLine("to {0}", _mysuccessorServer);
bool b = true;
while (b)
{
try
{
if (_nextserverUri == null) return null;
_mysuccessorServer.ReadPair(req, key, null);
b = false;
}
catch (Exception ex)
{
if (ex is RemotingException || ex is WebException)
{
Console.WriteLine("***** PROBLEM ON SERVER SUCCESSOR *****");
_manager.RemakeRing(_nextserverUri);
}
}
}
}
else
{
return null;
}
}
else
{
if (from._from.Equals(_myserver))
{
return new ValueClass("DONT EXIST");
}
Console.WriteLine("Read Pair on sucessor server {0} {1}", key.Key, _hashtable[key.Key]);
if (_hashtable[key.Key] != null)
{
Console.WriteLine("Receptor {0}", from._receptor);
IClient c = (IClient) Activator.GetObject(typeof (IClient), from._receptor);
Console.WriteLine("object client created");
c.Receiver((IValue) _hashtable[key.Key]);
}
else
{
bool b = true;
while (b)
{
try
{
if (_nextserverUri == null) return null;
_mysuccessorServer.ReadPair(from, key, null);
b = false;
}
catch (Exception ex)
{
if (ex is RemotingException || ex is WebException)
{
Console.WriteLine("***** PROBLEM ON SERVER SUCCESSOR *****");
_manager.RemakeRing(_nextserverUri);
}
}
}
}
}
return null;
}
public IValue ReadPair(IRequestFrom from, IKey key, string url)
{
if (from == null)
{
if (_manager.Trykey(key))
{
if (_hashtable[key.Key] != null)
return (IValue) _hashtable[key.Key];
RequestFrom req = new RequestFrom(url, _myserver);
bool b = true;
while (b)
{
try
{
if (_nextserverUri == null) return null;
_mysuccessorServer.ReadPair(req, key, null);
b = false;
}
catch (Exception ex)
{
if (ex is RemotingException || ex is WebException)
{
_manager.RemakeRing(_nextserverUri);
}
}
}
}
else
{
return null;
}
}
else
{
if (from._from.Equals(_myserver))
{
return new ValueClass("DONT EXIST");
}
if (_hashtable[key.Key] != null)
{
IClient c = (IClient) Activator.GetObject(typeof (IClient), from._receptor);
c.Receiver((IValue) _hashtable[key.Key]);
}
else
{
bool b = true;
while (b)
{
try
{
if (_nextserverUri == null) return null;
_mysuccessorServer.ReadPair(from, key, null);
b = false;
}
catch (Exception ex)
{
if (ex is RemotingException || ex is WebException)
{
_manager.RemakeRing(_nextserverUri);
}
}
}
}
}
return null;
}
