private EndpointI[] setClientEndpoints(Ice.IObjectPrx clientProxy, bool hasRoutingTable)
{
lock (this)
{
if (_clientEndpoints == null)
{
_hasRoutingTable = hasRoutingTable;
if (clientProxy == null)
{
//
// If getClientProxy() return nil, use router endpoints.
//
_clientEndpoints = _router.IceReference.getEndpoints();
}
else
{
clientProxy = clientProxy.Clone(clearRouter: true); // The client proxy cannot be routed.
//
// In order to avoid creating a new connection to the
// router, we must use the same timeout as the already
// existing connection.
//
if (_router.GetConnection() != null)
{
clientProxy = clientProxy.Clone(connectionTimeout: _router.GetConnection().timeout());
}
_clientEndpoints = clientProxy.IceReference.getEndpoints();
}
}
return(_clientEndpoints);
}
}
public OutgoingAsyncT(Ice.IObjectPrx prx,
IOutgoingAsyncCompletionCallback completionCallback,
Ice.OutputStream?os = null,
Ice.InputStream?iss = null) :
base(prx, completionCallback, os, iss)
{
}
public void findAdapterById(string domainId, string adapterId, LookupReplyPrx reply,
Ice.Current current)
{
if (!domainId.Equals(_domainId))
{
return; // Ignore
}
bool isReplicaGroup;
Ice.IObjectPrx proxy = _registry.findAdapter(adapterId, out isReplicaGroup);
if (proxy != null)
{
//
// Reply to the multicast request using the given proxy.
//
try
{
reply.foundAdapterByIdAsync(adapterId, proxy, isReplicaGroup);
}
catch (Ice.LocalException)
{
// Ignore.
}
}
}
public OutgoingAsync(Ice.IObjectPrx prx, IOutgoingAsyncCompletionCallback completionCallback,
Ice.OutputStream?os = null, Ice.InputStream?iss = null) :
base(prx, completionCallback, os, iss)
{
Encoding = Protocol.getCompatibleEncoding(Proxy.IceReference.GetEncoding());
Synchronous = false;
}
public bool addProxy(Ice.IObjectPrx proxy, AddProxyCallback callback)
{
Debug.Assert(proxy != null);
lock (this)
{
if (!_hasRoutingTable)
{
return(true); // The router implementation doesn't maintain a routing table.
}
if (_identities.Contains(proxy.Identity))
{
//
// Only add the proxy to the router if it's not already in our local map.
//
return(true);
}
}
_router.addProxiesAsync(new Ice.IObjectPrx[] { proxy }).ContinueWith(
(t) =>
{
try
{
addAndEvictProxies(proxy, t.Result);
callback.addedProxy();
}
catch (System.AggregateException ae)
{
Debug.Assert(ae.InnerException is Ice.LocalException);
callback.setException((Ice.LocalException)ae.InnerException);
}
},
System.Threading.Tasks.TaskScheduler.Current);
return(false);
}
public OutgoingAsyncT(Ice.IObjectPrx prx,
IOutgoingAsyncCompletionCallback completionCallback,
Ice.OutgoingRequestFrame?requestFrame = null,
Ice.InputStream?iss = null) :
base(prx, completionCallback, requestFrame, iss)
{
}
public override void finished(Ice.IObjectPrx proxy)
{
if (proxy != null || _proxies.Count == 0)
{
sendResponse(proxy);
}
else if (_proxies.Count == 1)
{
sendResponse(_proxies.First());
}
else
{
List <Endpoint> endpoints = new List <Endpoint>();
IObjectPrx? result = null;
foreach (IObjectPrx prx in _proxies)
{
if (result == null)
{
result = prx;
}
endpoints.AddRange(prx.Endpoints);
}
Debug.Assert(result != null);
sendResponse(result.Clone(endpoints: endpoints.ToArray()));
}
}
public override void finished(Ice.IObjectPrx proxy)
{
foreach (var cb in callbacks_)
{
cb.SetResult(proxy);
}
callbacks_.Clear();
}
public OutgoingAsync(Ice.IObjectPrx prx, IOutgoingAsyncCompletionCallback completionCallback,
Ice.OutgoingRequestFrame?requestFrame = null, Ice.InputStream?iss = null, bool oneway = false) :
base(prx, completionCallback, requestFrame, iss)
{
Encoding = Proxy.Encoding;
Synchronous = false;
IsOneway = oneway;
}
public ConnectRequestHandler(Reference @ref, Ice.IObjectPrx proxy)
{
_reference = @ref;
_proxy = proxy;
_initialized = false;
_flushing = false;
_requestHandler = this;
}
private void sendResponse(Ice.IObjectPrx proxy)
{
foreach (var cb in callbacks_)
{
cb.SetResult(proxy);
}
callbacks_.Clear();
}
public ConnectRequestHandler(Reference @ref, Ice.IObjectPrx proxy)
{
_reference = @ref;
_response = _reference.GetMode() == Ice.InvocationMode.Twoway;
_proxy = proxy;
_initialized = false;
_flushing = false;
_requestHandler = this;
}
protected ProxyOutgoingAsyncBase(Ice.IObjectPrx prx,
IOutgoingAsyncCompletionCallback completionCallback,
Ice.OutputStream?os = null,
Ice.InputStream?iss = null) :
base(prx.Communicator, completionCallback, os, iss)
{
Proxy = prx;
Mode = Ice.OperationMode.Normal;
_cnt = 0;
_sent = false;
}
public IRequestHandler Connect(Ice.IObjectPrx proxy)
{
lock (this)
{
if (!Initialized())
{
_proxies.Add(proxy);
}
return(_requestHandler);
}
}
public EndpointI[] getServerEndpoints()
{
Ice.IObjectPrx serverProxy = _router.getServerProxy();
if (serverProxy == null)
{
throw new Ice.NoEndpointException();
}
serverProxy = serverProxy.Clone(clearRouter: true); // The server proxy cannot be routed.
return(serverProxy.IceReference.getEndpoints());
}
protected ProxyOutgoingAsyncBase(Ice.IObjectPrx prx,
IOutgoingAsyncCompletionCallback completionCallback,
OutgoingRequestFrame?requestFrame = null,
Ice.InputStream?iss = null) :
base(prx.Communicator, completionCallback, requestFrame, null, iss)
{
Proxy = prx;
IsIdempotent = false;
IsOneway = false;
_cnt = 0;
_sent = false;
}
finishRequest(Reference reference, List <Reference> wellKnownRefs, Ice.IObjectPrx proxy, bool notRegistered)
{
if (proxy == null || proxy.IceReference.isIndirect())
{
//
// Remove the cached references of well-known objects for which we tried
// to resolved the endpoints if these endpoints are empty.
//
foreach (Reference r in wellKnownRefs)
{
_table.removeObjectReference(r.getIdentity());
}
}
if (!reference.isWellKnown())
{
if (proxy != null && !proxy.IceReference.isIndirect())
{
// Cache the adapter endpoints.
_table.addAdapterEndpoints(reference.getAdapterId(), proxy.IceReference.getEndpoints());
}
else if (notRegistered) // If the adapter isn't registered anymore, remove it from the cache.
{
_table.removeAdapterEndpoints(reference.getAdapterId());
}
lock (this)
{
Debug.Assert(_adapterRequests.ContainsKey(reference.getAdapterId()));
_adapterRequests.Remove(reference.getAdapterId());
}
}
else
{
if (proxy != null && !proxy.IceReference.isWellKnown())
{
// Cache the well-known object reference.
_table.addObjectReference(reference.getIdentity(), proxy.IceReference);
}
else if (notRegistered) // If the well-known object isn't registered anymore, remove it from the cache.
{
_table.removeObjectReference(reference.getIdentity());
}
lock (this)
{
Debug.Assert(_objectRequests.ContainsKey(reference.getIdentity()));
_objectRequests.Remove(reference.getIdentity());
}
}
}
internal void foundObject(Ice.Identity id, string requestId, Ice.IObjectPrx proxy)
{
lock (this)
{
ObjectRequest request;
if (_objectRequests.TryGetValue(id, out request) && request.getRequestId() == requestId)
{
request.response(proxy);
_timer.cancel(request);
_objectRequests.Remove(id);
}
// else ignore responses from old requests
}
}
response(Ice.IObjectPrx proxy)
{
lock (this)
{
_locatorInfo.finishRequest(_ref, _wellKnownRefs, proxy, false);
_response = true;
_proxy = proxy;
Monitor.PulseAll(this);
}
foreach (RequestCallback callback in _callbacks)
{
callback.response(_locatorInfo, proxy);
}
}
public void addProxy(Ice.IObjectPrx proxy)
{
Debug.Assert(proxy != null);
lock (this)
{
if (_identities.Contains(proxy.Identity))
{
//
// Only add the proxy to the router if it's not already in our local map.
//
return;
}
}
addAndEvictProxies(proxy, _router.addProxies(new Ice.IObjectPrx[] { proxy }));
}
internal void foundAdapter(string adapterId, string requestId, Ice.IObjectPrx proxy, bool isReplicaGroup)
{
lock (this)
{
AdapterRequest request;
if (_adapterRequests.TryGetValue(adapterId, out request) && request.getRequestId() == requestId)
{
if (request.response(proxy, isReplicaGroup))
{
_timer.cancel(request);
_adapterRequests.Remove(request.getId());
}
}
// else ignore responses from old requests
}
}
internal Ice.IObjectPrx findObject(Ice.Identity id)
{
lock (this)
{
if (id.name.Length == 0)
{
return(null);
}
Ice.IObjectPrx prx = _wellKnownProxy.Clone(id);
List <string> adapterIds = new List <string>();
foreach (KeyValuePair <string, HashSet <string> > entry in _replicaGroups)
{
try
{
prx.Clone(adapterId: entry.Key).IcePing();
adapterIds.Add(entry.Key);
}
catch (Ice.Exception)
{
}
}
if (adapterIds.Count == 0)
{
foreach (KeyValuePair <string, Ice.IObjectPrx> entry in _adapters)
{
try
{
prx.Clone(adapterId: entry.Key).IcePing();
adapterIds.Add(entry.Key);
}
catch (Ice.Exception)
{
}
}
}
if (adapterIds.Count == 0)
{
return(null);
}
//adapterIds.Suffle();
return(prx.Clone(adapterId: adapterIds[0]));
}
}
response(LocatorInfo locatorInfo, Ice.IObjectPrx proxy)
{
EndpointI[] endpoints = null;
if (proxy != null)
{
Reference r = proxy.IceReference;
if (_ref.isWellKnown() && !Protocol.isSupported(_ref.getEncoding(), r.getEncoding()))
{
//
// If a well-known proxy and the returned
// proxy encoding isn't supported, we're done:
// there's no compatible endpoint we can use.
//
}
else if (!r.isIndirect())
{
endpoints = r.getEndpoints();
}
else if (_ref.isWellKnown() && !r.isWellKnown())
{
//
// We're resolving the endpoints of a well-known object and the proxy returned
// by the locator is an indirect proxy. We now need to resolve the endpoints
// of this indirect proxy.
//
if (_ref.getCommunicator().traceLevels().location >= 1)
{
locatorInfo.trace("retrieved adapter for well-known object from locator, " +
"adding to locator cache", _ref, r);
}
locatorInfo.getEndpoints(r, _ref, _ttl, _callback);
return;
}
}
if (_ref.getCommunicator().traceLevels().location >= 1)
{
locatorInfo.getEndpointsTrace(_ref, endpoints, false);
}
if (_callback != null)
{
_callback.setEndpoints(endpoints == null ? System.Array.Empty <EndpointI>() : endpoints, false);
}
}
internal Ice.IObjectPrx findAdapter(string adapterId, out bool isReplicaGroup)
{
lock (this)
{
Ice.IObjectPrx result = null;
if (_adapters.TryGetValue(adapterId, out result))
{
isReplicaGroup = false;
return(result);
}
HashSet <string> adapterIds;
if (_replicaGroups.TryGetValue(adapterId, out adapterIds))
{
List <Ice.Endpoint> endpoints = new List <Ice.Endpoint>();
foreach (string a in adapterIds)
{
Ice.IObjectPrx proxy;
if (!_adapters.TryGetValue(a, out proxy))
{
continue; // TODO: Inconsistency
}
if (result == null)
{
result = proxy;
}
endpoints.AddRange(proxy.Endpoints);
}
if (result != null)
{
isReplicaGroup = true;
return(result.Clone(endpoints: endpoints.ToArray()));
}
}
isReplicaGroup = false;
return(null);
}
}
public bool response(Ice.IObjectPrx proxy, bool isReplicaGroup)
{
if (isReplicaGroup)
{
_proxies.Add(proxy);
if (_latency == 0)
{
_latency = (long)((DateTime.Now.Ticks - _start) * lookup_.latencyMultiplier() / 10000.0);
if (_latency == 0)
{
_latency = 1; // 1ms
}
lookup_.timer().cancel(this);
lookup_.timer().schedule(this, _latency);
}
return(false);
}
finished(proxy);
return(true);
}
public Ice.Instrumentation.InvocationObserver getInvocationObserver(Ice.IObjectPrx prx, string operation,
Dictionary <string, string> ctx)
{
if (_invocations.isEnabled())
{
try
{
Ice.Instrumentation.InvocationObserver del = null;
if (_delegate != null)
{
del = _delegate.getInvocationObserver(prx, operation, ctx);
}
return(_invocations.getObserver(new InvocationHelper(prx, operation, ctx), del));
}
catch (System.Exception ex)
{
_metrics.getLogger().error("unexpected exception trying to obtain observer:\n" + ex);
}
}
return(null);
}
private void addAndEvictProxies(Ice.IObjectPrx proxy, Ice.IObjectPrx[] evictedProxies)
{
lock (this)
{
//
// Check if the proxy hasn't already been evicted by a
// concurrent addProxies call. If it's the case, don't
// add it to our local map.
//
int index = _evictedIdentities.IndexOf(proxy.Identity);
if (index >= 0)
{
_evictedIdentities.RemoveAt(index);
}
else
{
//
// If we successfully added the proxy to the router,
// we add it to our local map.
//
_identities.Add(proxy.Identity);
}
//
// We also must remove whatever proxies the router evicted.
//
for (int i = 0; i < evictedProxies.Length; ++i)
{
if (!_identities.Remove(evictedProxies[i].Identity))
{
//
// It's possible for the proxy to not have been
// added yet in the local map if two threads
// concurrently call addProxies.
//
_evictedIdentities.Add(evictedProxies[i].Identity);
}
}
}
}
static void connect(Ice.IObjectPrx proxy)
{
var conn = proxy.GetCachedConnection();
if (conn != null)
{
conn.Close(Ice.ConnectionClose.GracefullyWithWait);
}
try
{
proxy.IcePing();
}
catch (Ice.LocalException)
{
}
conn = proxy.GetCachedConnection();
if (conn != null)
{
conn.Close(Ice.ConnectionClose.GracefullyWithWait);
}
}
public void findObjectById(string domainId, Ice.Identity id, LookupReplyPrx reply,
Ice.Current current)
{
if (!domainId.Equals(_domainId))
{
return; // Ignore
}
Ice.IObjectPrx proxy = _registry.findObject(id);
if (proxy != null)
{
//
// Reply to the mulicast request using the given proxy.
//
try
{
reply.foundObjectByIdAsync(id, proxy);
}
catch (Ice.LocalException)
{
// Ignore.
}
}
}
setReplicatedAdapterDirectProxyAsync(string adapterId, string replicaGroupId, Ice.IObjectPrx proxy,
Ice.Current current)
{
lock (this)
{
if (proxy != null)
{
_adapters.Add(adapterId, proxy);
HashSet <string> adapterIds;
if (!_replicaGroups.TryGetValue(replicaGroupId, out adapterIds))
{
adapterIds = new HashSet <string>();
_replicaGroups.Add(replicaGroupId, adapterIds);
}
adapterIds.Add(adapterId);
}
else
{
_adapters.Remove(adapterId);
HashSet <string> adapterIds;
if (_replicaGroups.TryGetValue(replicaGroupId, out adapterIds))
{
adapterIds.Remove(adapterId);
if (adapterIds.Count == 0)
{
_replicaGroups.Remove(replicaGroupId);
}
}
}
}
return(null);
}
