private List<Pair> TransformKVSPairs(SD.Pair[] pairs)
{
List<Pair> retPairs = new List<Pair>(pairs.Count());
Pair pair;
foreach(SD.Pair p in pairs)
{
pair = new Pair();
pair.Key = p.Key;
pair.Value = p.Value;
retPairs.Add(pair);
}
return retPairs;
}
//IBroker
public void StorePair(Pair p)
{
//getting message context with the client name
MessageProperties msgProp = OperationContext.Current.IncomingMessageProperties;
ContextMessageProperty ctxProperty = msgProp[ContextMessageProperty.Name] as ContextMessageProperty;
string clientName = "";
if (ctxProperty.Context.ContainsKey("clientName"))
{
clientName = ctxProperty.Context["clientName"];
}
if(clientName == "")
throw new FaultException("ERROR - Client Name not set.");
if(m_servers.Count <= 0)
throw new FaultException("ERROR - System is down.");
ClientKey ck = new ClientKey(clientName, p.Key);
if (m_serverPairs.ContainsKey(ck))
throw new FaultException("ERROR - Duplicated key: " + p.Key);
String address = GetKVS();
KVSClient kvs = new KVSClient("KVSService", address);
try
{
kvs.StorePair(ck, p.Value);
}catch(EndpointNotFoundException)
{
DeregisterServer(address);
StorePair(p);
}
m_serverPairs.TryAdd(ck, address);//add the key and the server to the list
if (!m_servers.ContainsKey(clientName))
m_users.Add(clientName);
//Console.WriteLine("Pair Stored in server: " + m_currId);
}