| | | 1 | | // Copyright (c) ZeroC, Inc. |
| | | 2 | | |
| | | 3 | | using System.Diagnostics; |
| | | 4 | | using System.Text; |
| | | 5 | | |
| | | 6 | | namespace IceDiscovery; |
| | | 7 | | |
| | | 8 | | internal abstract class Request<T> |
| | | 9 | | { |
| | | 10 | | protected Request(LookupI lookup, T id, int retryCount) |
| | | 11 | | { |
| | | 12 | | lookup_ = lookup; |
| | | 13 | | retryCount_ = retryCount; |
| | | 14 | | _id = id; |
| | | 15 | | _requestId = Guid.NewGuid().ToString(); |
| | | 16 | | } |
| | | 17 | | |
| | | 18 | | public T getId() => _id; |
| | | 19 | | |
| | | 20 | | public bool addCallback(TaskCompletionSource<Ice.ObjectPrx> cb) |
| | | 21 | | { |
| | | 22 | | callbacks_.Add(cb); |
| | | 23 | | return callbacks_.Count == 1; |
| | | 24 | | } |
| | | 25 | | |
| | | 26 | | public virtual bool retry() => --retryCount_ >= 0; |
| | | 27 | | |
| | | 28 | | public void invoke(string domainId, Dictionary<LookupPrx, LookupReplyPrx> lookups) |
| | | 29 | | { |
| | | 30 | | ++_generation; |
| | | 31 | | _lookupCount = lookups.Count; |
| | | 32 | | _failureCount = 0; |
| | | 33 | | var id = new Ice.Identity(_requestId, ""); |
| | | 34 | | foreach (KeyValuePair<LookupPrx, LookupReplyPrx> entry in lookups) |
| | | 35 | | { |
| | | 36 | | invokeWithLookup( |
| | | 37 | | domainId, |
| | | 38 | | entry.Key, |
| | | 39 | | LookupReplyPrxHelper.uncheckedCast(entry.Value.ice_identity(id))); |
| | | 40 | | } |
| | | 41 | | } |
| | | 42 | | |
| | | 43 | | public bool exception(int generation) |
| | | 44 | | { |
| | | 45 | | // Ignore a delayed failure from an earlier invocation round: it must not count against the current round, which |
| | | 46 | | // reset _failureCount and may still have outstanding lookups. |
| | | 47 | | if (generation != _generation) |
| | | 48 | | { |
| | | 49 | | return false; |
| | | 50 | | } |
| | | 51 | | |
| | | 52 | | if (++_failureCount == _lookupCount) |
| | | 53 | | { |
| | | 54 | | finished(null); |
| | | 55 | | return true; |
| | | 56 | | } |
| | | 57 | | return false; |
| | | 58 | | } |
| | | 59 | | |
| | | 60 | | public string getRequestId() => _requestId; |
| | | 61 | | |
| | | 62 | | public abstract void finished(Ice.ObjectPrx proxy); |
| | | 63 | | |
| | | 64 | | protected abstract void invokeWithLookup(string domainId, LookupPrx lookup, LookupReplyPrx lookupReply); |
| | | 65 | | |
| | | 66 | | private readonly string _requestId; |
| | | 67 | | |
| | | 68 | | protected LookupI lookup_; |
| | | 69 | | protected int retryCount_; |
| | | 70 | | protected int _lookupCount; |
| | | 71 | | protected int _failureCount; |
| | | 72 | | |
| | | 73 | | // Incremented on each invoke() (i.e. each retry round). The exception callbacks capture the value current when they |
| | | 74 | | // were sent, so a delayed failure from an earlier round is ignored instead of counting against the current round. |
| | | 75 | | protected int _generation; |
| | | 76 | | protected List<TaskCompletionSource<Ice.ObjectPrx>> callbacks_ = new List<TaskCompletionSource<Ice.ObjectPrx>>(); |
| | | 77 | | |
| | | 78 | | protected T _id; |
| | | 79 | | } |
| | | 80 | | |
| | | 81 | | internal class AdapterRequest : Request<string>, Ice.Internal.TimerTask |
| | | 82 | | { |
| | | 83 | | public AdapterRequest(LookupI lookup, string id, int retryCount) |
| | 1 | 84 | | : base(lookup, id, retryCount) => _start = Stopwatch.GetTimestamp(); |
| | | 85 | | |
| | | 86 | | public override bool retry() |
| | | 87 | | { |
| | 1 | 88 | | if (_proxies.Count == 0 && --retryCount_ >= 0) |
| | | 89 | | { |
| | | 90 | | // We only reach here with _proxies empty, i.e. no replica-group response arrived. _latency is set only |
| | | 91 | | // together with inserting into _proxies, so the latency timer is not running. |
| | | 92 | | Debug.Assert(_latency == TimeSpan.Zero); |
| | | 93 | | |
| | | 94 | | // Restart the replica-group latency window so it's measured from this round rather than from request |
| | | 95 | | // creation. |
| | 1 | 96 | | _start = Stopwatch.GetTimestamp(); |
| | 1 | 97 | | return true; |
| | | 98 | | } |
| | 1 | 99 | | return false; |
| | | 100 | | } |
| | | 101 | | |
| | | 102 | | public bool response(Ice.ObjectPrx proxy, bool isReplicaGroup) |
| | | 103 | | { |
| | 1 | 104 | | if (isReplicaGroup) |
| | | 105 | | { |
| | 1 | 106 | | _proxies.Add(proxy); |
| | 1 | 107 | | if (_latency == TimeSpan.Zero) |
| | | 108 | | { |
| | | 109 | | // The aggregation window is the measured response time, scaled by IceDiscovery.LatencyMultiplier, |
| | | 110 | | // clamped to the timer's valid delay range, with a 1ms floor so we never schedule a degenerate |
| | | 111 | | // zero-length window. |
| | 1 | 112 | | double responseTimeMs = Stopwatch.GetElapsedTime(_start).TotalMilliseconds; |
| | 1 | 113 | | _latency = TimeSpan.FromMilliseconds( |
| | 1 | 114 | | Math.Clamp(responseTimeMs * lookup_.latencyMultiplier(), 1, int.MaxValue)); |
| | 1 | 115 | | lookup_.timer().cancel(this); |
| | 1 | 116 | | lookup_.timer().schedule(this, _latency); |
| | | 117 | | } |
| | 1 | 118 | | return false; |
| | | 119 | | } |
| | 1 | 120 | | finished(proxy); |
| | 1 | 121 | | return true; |
| | | 122 | | } |
| | | 123 | | |
| | | 124 | | public override void finished(Ice.ObjectPrx proxy) |
| | | 125 | | { |
| | 1 | 126 | | if (proxy != null || _proxies.Count == 0) |
| | | 127 | | { |
| | 1 | 128 | | sendResponse(proxy); |
| | | 129 | | } |
| | 1 | 130 | | else if (_proxies.Count == 1) |
| | | 131 | | { |
| | 1 | 132 | | sendResponse(_proxies.First()); |
| | | 133 | | } |
| | | 134 | | else |
| | | 135 | | { |
| | 1 | 136 | | var endpoints = new List<Ice.Endpoint>(); |
| | 1 | 137 | | Ice.ObjectPrx result = null; |
| | 1 | 138 | | foreach (Ice.ObjectPrx prx in _proxies) |
| | | 139 | | { |
| | 1 | 140 | | result ??= prx; |
| | 1 | 141 | | endpoints.AddRange(prx.ice_getEndpoints()); |
| | | 142 | | } |
| | 1 | 143 | | sendResponse(result.ice_endpoints(endpoints.ToArray())); |
| | | 144 | | } |
| | 1 | 145 | | } |
| | | 146 | | |
| | 1 | 147 | | public void runTimerTask() => lookup_.adapterRequestTimedOut(this); |
| | | 148 | | |
| | | 149 | | protected override void invokeWithLookup(string domainId, LookupPrx lookup, LookupReplyPrx lookupReply) |
| | | 150 | | { |
| | 1 | 151 | | int generation = _generation; |
| | 1 | 152 | | lookup.findAdapterByIdAsync(domainId, _id, lookupReply).ContinueWith( |
| | 1 | 153 | | task => |
| | 1 | 154 | | { |
| | 1 | 155 | | try |
| | 1 | 156 | | { |
| | 1 | 157 | | task.Wait(); |
| | 1 | 158 | | } |
| | 1 | 159 | | catch (AggregateException ex) |
| | 1 | 160 | | { |
| | 1 | 161 | | lookup_.adapterRequestException(this, ex.InnerException, generation); |
| | 1 | 162 | | } |
| | 1 | 163 | | }, |
| | 1 | 164 | | lookup.ice_scheduler()); |
| | 1 | 165 | | } |
| | | 166 | | |
| | | 167 | | private void sendResponse(Ice.ObjectPrx proxy) |
| | | 168 | | { |
| | 1 | 169 | | foreach (TaskCompletionSource<Ice.ObjectPrx> cb in callbacks_) |
| | | 170 | | { |
| | 1 | 171 | | cb.SetResult(proxy); |
| | | 172 | | } |
| | 1 | 173 | | callbacks_.Clear(); |
| | 1 | 174 | | } |
| | | 175 | | |
| | | 176 | | // |
| | | 177 | | // We use a HashSet because the same IceDiscovery plugin might return multiple times |
| | | 178 | | // the same proxy if it's accessible through multiple network interfaces and if we |
| | | 179 | | // also sent the request to multiple interfaces. |
| | | 180 | | // |
| | 1 | 181 | | private readonly HashSet<Ice.ObjectPrx> _proxies = new HashSet<Ice.ObjectPrx>(); |
| | | 182 | | private long _start; |
| | | 183 | | private TimeSpan _latency; |
| | | 184 | | } |
| | | 185 | | |
| | | 186 | | internal class ObjectRequest : Request<Ice.Identity>, Ice.Internal.TimerTask |
| | | 187 | | { |
| | | 188 | | public ObjectRequest(LookupI lookup, Ice.Identity id, int retryCount) |
| | | 189 | | : base(lookup, id, retryCount) |
| | | 190 | | { |
| | | 191 | | } |
| | | 192 | | |
| | | 193 | | public void response(Ice.ObjectPrx proxy) => finished(proxy); |
| | | 194 | | |
| | | 195 | | public override void finished(Ice.ObjectPrx proxy) |
| | | 196 | | { |
| | | 197 | | foreach (TaskCompletionSource<Ice.ObjectPrx> cb in callbacks_) |
| | | 198 | | { |
| | | 199 | | cb.SetResult(proxy); |
| | | 200 | | } |
| | | 201 | | callbacks_.Clear(); |
| | | 202 | | } |
| | | 203 | | |
| | | 204 | | public void runTimerTask() => lookup_.objectRequestTimedOut(this); |
| | | 205 | | |
| | | 206 | | protected override void invokeWithLookup(string domainId, LookupPrx lookup, LookupReplyPrx lookupReply) |
| | | 207 | | { |
| | | 208 | | int generation = _generation; |
| | | 209 | | lookup.findObjectByIdAsync(domainId, _id, lookupReply).ContinueWith( |
| | | 210 | | task => |
| | | 211 | | { |
| | | 212 | | try |
| | | 213 | | { |
| | | 214 | | task.Wait(); |
| | | 215 | | } |
| | | 216 | | catch (AggregateException ex) |
| | | 217 | | { |
| | | 218 | | lookup_.objectRequestException(this, ex.InnerException, generation); |
| | | 219 | | } |
| | | 220 | | }, |
| | | 221 | | lookup.ice_scheduler()); |
| | | 222 | | } |
| | | 223 | | } |
| | | 224 | | |
| | | 225 | | internal class LookupI : LookupDisp_ |
| | | 226 | | { |
| | | 227 | | public LookupI(LocatorRegistryI registry, LookupPrx lookup, Ice.Properties properties) |
| | | 228 | | { |
| | | 229 | | _registry = registry; |
| | | 230 | | _lookup = lookup; |
| | | 231 | | _timeout = TimeSpan.FromMilliseconds(properties.getIcePropertyAsInt("IceDiscovery.Timeout")); |
| | | 232 | | if (_timeout <= TimeSpan.Zero) |
| | | 233 | | { |
| | | 234 | | throw new Ice.PropertyException("property 'IceDiscovery.Timeout' must be greater than 0"); |
| | | 235 | | } |
| | | 236 | | _retryCount = properties.getIcePropertyAsInt("IceDiscovery.RetryCount"); |
| | | 237 | | if (_retryCount < 0) |
| | | 238 | | { |
| | | 239 | | throw new Ice.PropertyException("property 'IceDiscovery.RetryCount' must be greater than or equal to 0"); |
| | | 240 | | } |
| | | 241 | | _latencyMultiplier = properties.getIcePropertyAsInt("IceDiscovery.LatencyMultiplier"); |
| | | 242 | | if (_latencyMultiplier < 1) |
| | | 243 | | { |
| | | 244 | | throw new Ice.PropertyException( |
| | | 245 | | "property 'IceDiscovery.LatencyMultiplier' must be greater than or equal to 1"); |
| | | 246 | | } |
| | | 247 | | _domainId = properties.getIceProperty("IceDiscovery.DomainId"); |
| | | 248 | | _timer = Ice.Internal.Util.getInstance(lookup.ice_getCommunicator()).timer(); |
| | | 249 | | |
| | | 250 | | // |
| | | 251 | | // Create one lookup proxy per endpoint from the given proxy. We want to send a multicast |
| | | 252 | | // datagram on each endpoint. |
| | | 253 | | // |
| | | 254 | | var single = new Ice.Endpoint[1]; |
| | | 255 | | foreach (Ice.Endpoint endpt in lookup.ice_getEndpoints()) |
| | | 256 | | { |
| | | 257 | | single[0] = endpt; |
| | | 258 | | _lookups[(LookupPrx)lookup.ice_endpoints(single)] = null; |
| | | 259 | | } |
| | | 260 | | Debug.Assert(_lookups.Count > 0); |
| | | 261 | | } |
| | | 262 | | |
| | | 263 | | public void setLookupReply(LookupReplyPrx lookupReply) |
| | | 264 | | { |
| | | 265 | | // |
| | | 266 | | // Use a lookup reply proxy whose address matches the interface used to send multicast datagrams. |
| | | 267 | | // |
| | | 268 | | var single = new Ice.Endpoint[1]; |
| | | 269 | | foreach (LookupPrx key in new List<LookupPrx>(_lookups.Keys)) |
| | | 270 | | { |
| | | 271 | | var info = (Ice.UDPEndpointInfo)key.ice_getEndpoints()[0].getInfo(); |
| | | 272 | | if (info.mcastInterface.Length > 0) |
| | | 273 | | { |
| | | 274 | | foreach (Ice.Endpoint q in lookupReply.ice_getEndpoints()) |
| | | 275 | | { |
| | | 276 | | Ice.EndpointInfo r = q.getInfo(); |
| | | 277 | | if (r is Ice.IPEndpointInfo && |
| | | 278 | | ((Ice.IPEndpointInfo)r).host.Equals(info.mcastInterface, StringComparison.Ordinal)) |
| | | 279 | | { |
| | | 280 | | single[0] = q; |
| | | 281 | | _lookups[key] = (LookupReplyPrx)lookupReply.ice_endpoints(single); |
| | | 282 | | break; |
| | | 283 | | } |
| | | 284 | | } |
| | | 285 | | } |
| | | 286 | | |
| | | 287 | | if (_lookups[key] == null) |
| | | 288 | | { |
| | | 289 | | // Fallback: just use the given lookup reply proxy if no matching endpoint found. |
| | | 290 | | _lookups[key] = lookupReply; |
| | | 291 | | } |
| | | 292 | | } |
| | | 293 | | } |
| | | 294 | | |
| | | 295 | | public override void findObjectById(string domainId, Ice.Identity id, LookupReplyPrx reply, Ice.Current current) |
| | | 296 | | { |
| | | 297 | | Ice.ObjectPrx.checkNotNull(reply, current); |
| | | 298 | | if (!domainId.Equals(_domainId, StringComparison.Ordinal)) |
| | | 299 | | { |
| | | 300 | | return; // Ignore |
| | | 301 | | } |
| | | 302 | | |
| | | 303 | | Ice.ObjectPrx proxy = _registry.findObject(id); |
| | | 304 | | if (proxy != null) |
| | | 305 | | { |
| | | 306 | | // |
| | | 307 | | // Reply to the multicast request using the given proxy. |
| | | 308 | | // |
| | | 309 | | try |
| | | 310 | | { |
| | | 311 | | reply.foundObjectByIdAsync(id, proxy); |
| | | 312 | | } |
| | | 313 | | catch (Ice.LocalException) |
| | | 314 | | { |
| | | 315 | | // Ignore. |
| | | 316 | | } |
| | | 317 | | } |
| | | 318 | | } |
| | | 319 | | |
| | | 320 | | public override void findAdapterById(string domainId, string adapterId, LookupReplyPrx reply, Ice.Current current) |
| | | 321 | | { |
| | | 322 | | Ice.ObjectPrx.checkNotNull(reply, current); |
| | | 323 | | if (!domainId.Equals(_domainId, StringComparison.Ordinal)) |
| | | 324 | | { |
| | | 325 | | return; // Ignore |
| | | 326 | | } |
| | | 327 | | |
| | | 328 | | Ice.ObjectPrx proxy = _registry.findAdapter(adapterId, out bool isReplicaGroup); |
| | | 329 | | if (proxy != null) |
| | | 330 | | { |
| | | 331 | | // |
| | | 332 | | // Reply to the multicast request using the given proxy. |
| | | 333 | | // |
| | | 334 | | try |
| | | 335 | | { |
| | | 336 | | reply.foundAdapterByIdAsync(adapterId, proxy, isReplicaGroup); |
| | | 337 | | } |
| | | 338 | | catch (Ice.LocalException) |
| | | 339 | | { |
| | | 340 | | // Ignore. |
| | | 341 | | } |
| | | 342 | | } |
| | | 343 | | } |
| | | 344 | | |
| | | 345 | | internal Task<Ice.ObjectPrx> findObject(Ice.Identity id) |
| | | 346 | | { |
| | | 347 | | lock (_mutex) |
| | | 348 | | { |
| | | 349 | | if (!_objectRequests.TryGetValue(id, out ObjectRequest request)) |
| | | 350 | | { |
| | | 351 | | request = new ObjectRequest(this, id, _retryCount); |
| | | 352 | | _objectRequests.Add(id, request); |
| | | 353 | | } |
| | | 354 | | |
| | | 355 | | var task = new TaskCompletionSource<Ice.ObjectPrx>(TaskCreationOptions.RunContinuationsAsynchronously); |
| | | 356 | | if (request.addCallback(task)) |
| | | 357 | | { |
| | | 358 | | try |
| | | 359 | | { |
| | | 360 | | request.invoke(_domainId, _lookups); |
| | | 361 | | _timer.schedule(request, _timeout); |
| | | 362 | | } |
| | | 363 | | catch (Ice.LocalException) |
| | | 364 | | { |
| | | 365 | | request.finished(null); |
| | | 366 | | _objectRequests.Remove(id); |
| | | 367 | | } |
| | | 368 | | } |
| | | 369 | | return task.Task; |
| | | 370 | | } |
| | | 371 | | } |
| | | 372 | | |
| | | 373 | | internal Task<Ice.ObjectPrx> findAdapter(string adapterId) |
| | | 374 | | { |
| | | 375 | | lock (_mutex) |
| | | 376 | | { |
| | | 377 | | if (!_adapterRequests.TryGetValue(adapterId, out AdapterRequest request)) |
| | | 378 | | { |
| | | 379 | | request = new AdapterRequest(this, adapterId, _retryCount); |
| | | 380 | | _adapterRequests.Add(adapterId, request); |
| | | 381 | | } |
| | | 382 | | |
| | | 383 | | var task = new TaskCompletionSource<Ice.ObjectPrx>(TaskCreationOptions.RunContinuationsAsynchronously); |
| | | 384 | | if (request.addCallback(task)) |
| | | 385 | | { |
| | | 386 | | try |
| | | 387 | | { |
| | | 388 | | request.invoke(_domainId, _lookups); |
| | | 389 | | _timer.schedule(request, _timeout); |
| | | 390 | | } |
| | | 391 | | catch (Ice.LocalException) |
| | | 392 | | { |
| | | 393 | | request.finished(null); |
| | | 394 | | _adapterRequests.Remove(adapterId); |
| | | 395 | | } |
| | | 396 | | } |
| | | 397 | | return task.Task; |
| | | 398 | | } |
| | | 399 | | } |
| | | 400 | | |
| | | 401 | | internal void foundObject(Ice.Identity id, string requestId, Ice.ObjectPrx proxy) |
| | | 402 | | { |
| | | 403 | | lock (_mutex) |
| | | 404 | | { |
| | | 405 | | if (_objectRequests.TryGetValue(id, out ObjectRequest request) && request.getRequestId() == requestId) |
| | | 406 | | { |
| | | 407 | | request.response(proxy); |
| | | 408 | | _timer.cancel(request); |
| | | 409 | | _objectRequests.Remove(id); |
| | | 410 | | } |
| | | 411 | | // else ignore responses from old requests |
| | | 412 | | } |
| | | 413 | | } |
| | | 414 | | |
| | | 415 | | internal void foundAdapter(string adapterId, string requestId, Ice.ObjectPrx proxy, bool isReplicaGroup) |
| | | 416 | | { |
| | | 417 | | lock (_mutex) |
| | | 418 | | { |
| | | 419 | | if ( |
| | | 420 | | _adapterRequests.TryGetValue(adapterId, out AdapterRequest request) && |
| | | 421 | | request.getRequestId() == requestId) |
| | | 422 | | { |
| | | 423 | | if (request.response(proxy, isReplicaGroup)) |
| | | 424 | | { |
| | | 425 | | _timer.cancel(request); |
| | | 426 | | _adapterRequests.Remove(request.getId()); |
| | | 427 | | } |
| | | 428 | | } |
| | | 429 | | // else ignore responses from old requests |
| | | 430 | | } |
| | | 431 | | } |
| | | 432 | | |
| | | 433 | | internal void objectRequestTimedOut(ObjectRequest request) |
| | | 434 | | { |
| | | 435 | | lock (_mutex) |
| | | 436 | | { |
| | | 437 | | if (!_objectRequests.TryGetValue(request.getId(), out ObjectRequest r) || r != request) |
| | | 438 | | { |
| | | 439 | | return; |
| | | 440 | | } |
| | | 441 | | |
| | | 442 | | if (request.retry()) |
| | | 443 | | { |
| | | 444 | | try |
| | | 445 | | { |
| | | 446 | | request.invoke(_domainId, _lookups); |
| | | 447 | | _timer.schedule(request, _timeout); |
| | | 448 | | return; |
| | | 449 | | } |
| | | 450 | | catch (Ice.LocalException) |
| | | 451 | | { |
| | | 452 | | } |
| | | 453 | | } |
| | | 454 | | |
| | | 455 | | request.finished(null); |
| | | 456 | | _objectRequests.Remove(request.getId()); |
| | | 457 | | _timer.cancel(request); |
| | | 458 | | } |
| | | 459 | | } |
| | | 460 | | |
| | | 461 | | internal void objectRequestException(ObjectRequest request, Exception ex, int generation) |
| | | 462 | | { |
| | | 463 | | lock (_mutex) |
| | | 464 | | { |
| | | 465 | | if (!_objectRequests.TryGetValue(request.getId(), out ObjectRequest r) || r != request) |
| | | 466 | | { |
| | | 467 | | return; |
| | | 468 | | } |
| | | 469 | | |
| | | 470 | | if (request.exception(generation)) |
| | | 471 | | { |
| | | 472 | | if (_warnOnce) |
| | | 473 | | { |
| | | 474 | | var s = new StringBuilder(); |
| | | 475 | | s.Append("failed to lookup object `"); |
| | | 476 | | s.Append(_lookup.ice_getCommunicator().identityToString(request.getId())); |
| | | 477 | | s.Append("' with lookup proxy `"); |
| | | 478 | | s.Append(_lookup); |
| | | 479 | | s.Append("':\n"); |
| | | 480 | | s.Append(ex.ToString()); |
| | | 481 | | _lookup.ice_getCommunicator().getLogger().warning(s.ToString()); |
| | | 482 | | _warnOnce = false; |
| | | 483 | | } |
| | | 484 | | _timer.cancel(request); |
| | | 485 | | _objectRequests.Remove(request.getId()); |
| | | 486 | | } |
| | | 487 | | } |
| | | 488 | | } |
| | | 489 | | |
| | | 490 | | internal void adapterRequestTimedOut(AdapterRequest request) |
| | | 491 | | { |
| | | 492 | | lock (_mutex) |
| | | 493 | | { |
| | | 494 | | if (!_adapterRequests.TryGetValue(request.getId(), out AdapterRequest r) || r != request) |
| | | 495 | | { |
| | | 496 | | return; |
| | | 497 | | } |
| | | 498 | | |
| | | 499 | | if (request.retry()) |
| | | 500 | | { |
| | | 501 | | try |
| | | 502 | | { |
| | | 503 | | request.invoke(_domainId, _lookups); |
| | | 504 | | _timer.schedule(request, _timeout); |
| | | 505 | | return; |
| | | 506 | | } |
| | | 507 | | catch (Ice.LocalException) |
| | | 508 | | { |
| | | 509 | | } |
| | | 510 | | } |
| | | 511 | | |
| | | 512 | | request.finished(null); |
| | | 513 | | _adapterRequests.Remove(request.getId()); |
| | | 514 | | _timer.cancel(request); |
| | | 515 | | } |
| | | 516 | | } |
| | | 517 | | |
| | | 518 | | internal void adapterRequestException(AdapterRequest request, Exception ex, int generation) |
| | | 519 | | { |
| | | 520 | | lock (_mutex) |
| | | 521 | | { |
| | | 522 | | if (!_adapterRequests.TryGetValue(request.getId(), out AdapterRequest r) || r != request) |
| | | 523 | | { |
| | | 524 | | return; |
| | | 525 | | } |
| | | 526 | | |
| | | 527 | | if (request.exception(generation)) |
| | | 528 | | { |
| | | 529 | | if (_warnOnce) |
| | | 530 | | { |
| | | 531 | | var s = new StringBuilder(); |
| | | 532 | | s.Append("failed to lookup adapter `"); |
| | | 533 | | s.Append(request.getId()); |
| | | 534 | | s.Append("' with lookup proxy `"); |
| | | 535 | | s.Append(_lookup); |
| | | 536 | | s.Append("':\n"); |
| | | 537 | | s.Append(ex.ToString()); |
| | | 538 | | _lookup.ice_getCommunicator().getLogger().warning(s.ToString()); |
| | | 539 | | _warnOnce = false; |
| | | 540 | | } |
| | | 541 | | _timer.cancel(request); |
| | | 542 | | _adapterRequests.Remove(request.getId()); |
| | | 543 | | } |
| | | 544 | | } |
| | | 545 | | } |
| | | 546 | | |
| | | 547 | | internal Ice.Internal.Timer timer() => _timer; |
| | | 548 | | |
| | | 549 | | internal int latencyMultiplier() => _latencyMultiplier; |
| | | 550 | | |
| | | 551 | | private readonly LocatorRegistryI _registry; |
| | | 552 | | private readonly LookupPrx _lookup; |
| | | 553 | | private readonly Dictionary<LookupPrx, LookupReplyPrx> _lookups = new Dictionary<LookupPrx, LookupReplyPrx>(); |
| | | 554 | | private readonly TimeSpan _timeout; |
| | | 555 | | private readonly int _retryCount; |
| | | 556 | | private readonly int _latencyMultiplier; |
| | | 557 | | private readonly string _domainId; |
| | | 558 | | |
| | | 559 | | private readonly Ice.Internal.Timer _timer; |
| | | 560 | | private bool _warnOnce = true; |
| | | 561 | | private readonly Dictionary<Ice.Identity, ObjectRequest> _objectRequests = |
| | | 562 | | new Dictionary<Ice.Identity, ObjectRequest>(); |
| | | 563 | | |
| | | 564 | | private readonly Dictionary<string, AdapterRequest> _adapterRequests = new Dictionary<string, AdapterRequest>(); |
| | | 565 | | private readonly object _mutex = new(); |
| | | 566 | | } |
| | | 567 | | |
| | | 568 | | internal class LookupReplyI : LookupReplyDisp_ |
| | | 569 | | { |
| | | 570 | | public LookupReplyI(LookupI lookup) => _lookup = lookup; |
| | | 571 | | |
| | | 572 | | public override void foundObjectById(Ice.Identity id, Ice.ObjectPrx proxy, Ice.Current c) => |
| | | 573 | | _lookup.foundObject(id, c.id.name, proxy); |
| | | 574 | | |
| | | 575 | | public override void foundAdapterById(string adapterId, Ice.ObjectPrx proxy, bool isReplicaGroup, Ice.Current c) => |
| | | 576 | | _lookup.foundAdapter(adapterId, c.id.name, proxy, isReplicaGroup); |
| | | 577 | | |
| | | 578 | | private readonly LookupI _lookup; |
| | | 579 | | } |