733 lines
26 KiB
C#
733 lines
26 KiB
C#
// Copyright 2012-2026 The NATS Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Adapted from server/server.go (account methods) in the NATS server Go source.
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// Session 09: account management — configure, register, lookup, fetch.
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using ZB.MOM.NatsNet.Server.Auth;
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using ZB.MOM.NatsNet.Server.Internal;
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using ZB.MOM.NatsNet.Server.Internal.DataStructures;
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namespace ZB.MOM.NatsNet.Server;
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public sealed partial class NatsServer
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{
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// =========================================================================
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// Account-mode helpers (features 3004–3007)
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// =========================================================================
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/// <summary>
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/// Returns true when only the global ($G) account is defined (pre-NATS 2.0 mode).
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/// Mirrors Go <c>Server.globalAccountOnly</c>.
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/// </summary>
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public bool GlobalAccountOnly()
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{
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if (_trustedKeys is not null) return false;
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bool hasOthers = false;
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_mu.EnterReadLock();
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try
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{
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foreach (var kvp in _accounts)
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{
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var acc = kvp.Value;
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// Ignore global and system accounts.
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if (acc == _gacc) continue;
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var sysAcc = _sysAccAtomic;
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if (sysAcc != null && acc == sysAcc) continue;
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hasOthers = true;
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break;
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}
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}
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finally { _mu.ExitReadLock(); }
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return !hasOthers;
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}
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/// <summary>
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/// Returns true when this server has no routes or gateways configured.
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/// Mirrors Go <c>Server.standAloneMode</c>.
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/// </summary>
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public bool StandAloneMode()
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{
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var opts = GetOpts();
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return opts.Cluster.Port == 0 && opts.Gateway.Port == 0;
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}
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/// <summary>
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/// Returns the number of configured routes.
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/// Mirrors Go <c>Server.configuredRoutes</c>.
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/// </summary>
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public int ConfiguredRoutes() => GetOpts().Routes.Count;
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/// <summary>
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/// Returns online JetStream peer node names from the node-info map.
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/// Mirrors Go <c>Server.ActivePeers</c>.
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/// </summary>
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public List<string> ActivePeers()
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{
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var peers = new List<string>();
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foreach (var kvp in _nodeToInfo)
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{
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if (kvp.Value is NodeInfo ni && !ni.Offline)
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peers.Add(kvp.Key);
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}
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return peers;
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}
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// =========================================================================
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// ConfigureAccounts (feature 3001)
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// =========================================================================
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/// <summary>
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/// Reads accounts from options and registers/updates them.
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/// Returns a set of account names whose stream imports changed (for reload)
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/// and any error.
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/// Mirrors Go <c>Server.configureAccounts</c>.
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/// Server lock must be held on entry.
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/// </summary>
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public (HashSet<string> ChangedStreamImports, Exception? Error) ConfigureAccounts(bool reloading)
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{
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var awcsti = new HashSet<string>(StringComparer.Ordinal);
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// Create the global ($G) account if not yet present.
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if (_gacc == null)
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{
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_gacc = new Account { Name = ServerConstants.DefaultGlobalAccount };
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RegisterAccountNoLock(_gacc);
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}
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var opts = GetOpts();
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// Walk accounts from options.
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foreach (var optAcc in opts.Accounts)
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{
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Account a;
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bool create = true;
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if (reloading && optAcc.Name != ServerConstants.DefaultGlobalAccount)
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{
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if (_accounts.TryGetValue(optAcc.Name, out var existing))
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{
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a = existing;
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// Full import/export diffing deferred to session 11 (accounts.go).
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create = false;
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}
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else
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{
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a = new Account { Name = optAcc.Name };
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}
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}
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else
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{
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a = optAcc.Name == ServerConstants.DefaultGlobalAccount ? _gacc! : new Account { Name = optAcc.Name };
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}
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if (create)
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{
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// Will be a no-op for the global account (already registered).
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RegisterAccountNoLock(a);
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}
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// If an account named $SYS is found, make it the system account.
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if (optAcc.Name == ServerConstants.DefaultSystemAccount &&
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string.IsNullOrEmpty(opts.SystemAccount))
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{
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opts.SystemAccount = ServerConstants.DefaultSystemAccount;
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}
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}
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// Resolve system account if configured.
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if (!string.IsNullOrEmpty(opts.SystemAccount))
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{
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// Release server lock for lookupAccount (lock ordering: account → server).
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_mu.ExitWriteLock();
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var (acc, err) = LookupAccountInternal(opts.SystemAccount);
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_mu.EnterWriteLock();
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if (err != null)
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return (awcsti, new InvalidOperationException($"error resolving system account: {err.Message}", err));
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if (acc != null && _sys != null && acc != _sys.Account)
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_sys.Account = acc;
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if (acc != null)
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_sysAccAtomic = acc;
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}
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return (awcsti, null);
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}
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// =========================================================================
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// Account counts (features 3022–3023)
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// =========================================================================
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/// <summary>
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/// Returns the total number of registered accounts (slow, test only).
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/// Mirrors Go <c>Server.numAccounts</c>.
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/// </summary>
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public int NumAccounts()
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{
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_mu.EnterReadLock();
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try { return _accounts.Count; }
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finally { _mu.ExitReadLock(); }
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}
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/// <summary>
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/// Returns the number of loaded accounts.
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/// Mirrors Go <c>Server.NumLoadedAccounts</c>.
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/// </summary>
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public int NumLoadedAccounts() => NumAccounts();
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// =========================================================================
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// Account registration (features 3024–3025)
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// =========================================================================
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/// <summary>
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/// Returns the named account if known, or creates and registers a new one.
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/// Mirrors Go <c>Server.LookupOrRegisterAccount</c>.
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/// </summary>
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public (Account Account, bool IsNew) LookupOrRegisterAccount(string name)
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{
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_mu.EnterWriteLock();
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try
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{
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if (_accounts.TryGetValue(name, out var existing))
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return (existing, false);
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var acc = new Account { Name = name };
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RegisterAccountNoLock(acc);
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return (acc, true);
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}
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finally { _mu.ExitWriteLock(); }
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}
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/// <summary>
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/// Registers a new account. Returns error if the account already exists.
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/// Mirrors Go <c>Server.RegisterAccount</c>.
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/// </summary>
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public (Account? Account, Exception? Error) RegisterAccount(string name)
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{
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_mu.EnterWriteLock();
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try
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{
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if (_accounts.ContainsKey(name))
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return (null, ServerErrors.ErrAccountExists);
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var acc = new Account { Name = name };
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RegisterAccountNoLock(acc);
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return (acc, null);
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}
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finally { _mu.ExitWriteLock(); }
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}
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// =========================================================================
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// System account (features 3026–3030)
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// =========================================================================
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/// <summary>
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/// Sets the named account as the server's system account.
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/// Mirrors Go <c>Server.SetSystemAccount</c>.
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/// </summary>
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public Exception? SetSystemAccount(string accName)
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{
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if (_accounts.TryGetValue(accName, out var acc))
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return SetSystemAccountInternal(acc);
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// Not locally known — try resolver.
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var (ac, _, fetchErr) = FetchAccountClaims(accName);
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if (fetchErr != null) return fetchErr;
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var newAcc = BuildInternalAccount(ac);
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// Due to race, registerAccount returns the existing one if already registered.
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var racc = RegisterAccountInternal(newAcc);
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return SetSystemAccountInternal(racc ?? newAcc);
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}
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/// <summary>
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/// Returns the system account, or null if none is set.
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/// Mirrors Go <c>Server.SystemAccount</c>.
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/// </summary>
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public Account? SystemAccount() => _sysAccAtomic;
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/// <summary>
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/// Returns the global ($G) account.
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/// Mirrors Go <c>Server.GlobalAccount</c>.
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/// </summary>
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public Account? GlobalAccount()
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{
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_mu.EnterReadLock();
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try { return _gacc; }
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finally { _mu.ExitReadLock(); }
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}
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/// <summary>
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/// Creates a default system account ($SYS) if one does not already exist.
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/// Mirrors Go <c>Server.SetDefaultSystemAccount</c>.
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/// </summary>
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public Exception? SetDefaultSystemAccount()
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{
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var (_, isNew) = LookupOrRegisterAccount(ServerConstants.DefaultSystemAccount);
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if (!isNew) return null;
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Debugf("Created system account: \"{0}\"", ServerConstants.DefaultSystemAccount);
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return SetSystemAccount(ServerConstants.DefaultSystemAccount);
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}
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/// <summary>
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/// Assigns <paramref name="acc"/> as the system account and starts internal
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/// messaging goroutines.
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/// Mirrors Go <c>Server.setSystemAccount</c>.
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/// Server lock must NOT be held on entry; this method acquires/releases it.
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/// </summary>
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public Exception? SetSystemAccountInternal(Account acc)
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{
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if (acc == null)
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return ServerErrors.ErrMissingAccount;
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if (acc.IsExpired())
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return ServerErrors.ErrAccountExpired;
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if (!IsTrustedIssuer(acc.Issuer))
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return ServerErrors.ErrAccountValidation;
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_mu.EnterWriteLock();
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try
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{
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if (_sys != null)
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return ServerErrors.ErrAccountExists;
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_sys = new InternalState { Account = acc };
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}
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finally { _mu.ExitWriteLock(); }
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// Store atomically for fast lookup on hot paths.
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_sysAccAtomic = acc;
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// Full internal-messaging bootstrap (initEventTracking, sendLoop, etc.)
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// is deferred to session 12 (events.go).
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AddSystemAccountExports(acc);
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return null;
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}
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// =========================================================================
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// Internal client factories (features 3031–3034)
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// =========================================================================
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/// <summary>Creates an internal system client.</summary>
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public ClientConnection CreateInternalSystemClient() =>
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CreateInternalClient(ClientKind.System);
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/// <summary>Creates an internal JetStream client.</summary>
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public ClientConnection CreateInternalJetStreamClient() =>
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CreateInternalClient(ClientKind.JetStream);
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/// <summary>Creates an internal account client.</summary>
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public ClientConnection CreateInternalAccountClient() =>
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CreateInternalClient(ClientKind.Account);
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/// <summary>
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/// Creates an internal client of the given <paramref name="kind"/>.
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/// Mirrors Go <c>Server.createInternalClient</c>.
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/// </summary>
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public ClientConnection CreateInternalClient(ClientKind kind)
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{
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if (kind != ClientKind.System && kind != ClientKind.JetStream && kind != ClientKind.Account)
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throw new InvalidOperationException($"createInternalClient: unsupported kind {kind}");
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var c = new ClientConnection(kind, this);
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// Mirrors: c.echo = false; c.headers = true; flags.set(noReconnect)
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// Full client initialisation deferred to session 10 (client.go).
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return c;
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}
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// =========================================================================
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// Subscription tracking / account sublist (features 3035–3038)
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// =========================================================================
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/// <summary>
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/// Returns true if accounts should track subscriptions for route/gateway propagation.
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/// Server lock must be held on entry.
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/// Mirrors Go <c>Server.shouldTrackSubscriptions</c>.
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/// </summary>
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public bool ShouldTrackSubscriptions()
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{
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var opts = GetOpts();
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return opts.Cluster.Port != 0 || opts.Gateway.Port != 0;
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}
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/// <summary>
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/// Invokes <see cref="RegisterAccountNoLock"/> under the server write lock.
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/// Returns the already-registered account if a duplicate is detected, or null.
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/// Mirrors Go <c>Server.registerAccount</c>.
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/// </summary>
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public Account? RegisterAccountInternal(Account acc)
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{
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_mu.EnterWriteLock();
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try { return RegisterAccountNoLock(acc); }
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finally { _mu.ExitWriteLock(); }
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}
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/// <summary>
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/// Sets the account's subscription index based on the NoSublistCache option.
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/// Mirrors Go <c>Server.setAccountSublist</c>.
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/// Server lock must be held on entry.
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/// </summary>
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public void SetAccountSublist(Account acc)
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{
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if (acc?.Sublist != null) return;
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if (acc == null) return;
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var opts = GetOpts();
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acc.Sublist = opts?.NoSublistCache == true
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? SubscriptionIndex.NewSublist(false)
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: SubscriptionIndex.NewSublistWithCache();
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}
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/// <summary>
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/// Registers an account in the server's account map.
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/// If the account is already registered (race), returns the existing one.
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/// Server lock must be held on entry.
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/// Mirrors Go <c>Server.registerAccountNoLock</c>.
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/// </summary>
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public Account? RegisterAccountNoLock(Account acc)
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{
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// If already registered, return existing.
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if (_accounts.TryGetValue(acc.Name, out var existing))
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{
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_tmpAccounts.TryRemove(acc.Name, out _);
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return existing;
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}
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SetAccountSublist(acc);
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SetRouteInfo(acc);
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acc.Server = this;
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acc.Updated = DateTime.UtcNow;
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_accounts[acc.Name] = acc;
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_tmpAccounts.TryRemove(acc.Name, out _);
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// enableAccountTracking and registerSystemImports deferred to session 12.
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EnableAccountTracking(acc);
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return null;
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}
|
||
|
||
// =========================================================================
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// Route info for accounts (feature 3039)
|
||
// =========================================================================
|
||
|
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/// <summary>
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/// Sets the account's route-pool index based on cluster configuration.
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/// Mirrors Go <c>Server.setRouteInfo</c>.
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/// Both server and account locks must be held on entry.
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/// </summary>
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||
public void SetRouteInfo(Account acc)
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{
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const int accDedicatedRoute = -1;
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||
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if (_accRoutes != null && _accRoutes.ContainsKey(acc.Name))
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{
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// Dedicated route: store name in hash map; use index -1.
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_accRouteByHash.TryAdd(acc.Name, null);
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acc.RoutePoolIdx = accDedicatedRoute;
|
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}
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else
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{
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acc.RoutePoolIdx = ComputeRoutePoolIdx(_routesPoolSize, acc.Name);
|
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if (_routesPoolSize > 1)
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_accRouteByHash.TryAdd(acc.Name, acc.RoutePoolIdx);
|
||
}
|
||
}
|
||
|
||
// =========================================================================
|
||
// Account lookup (features 3040–3042)
|
||
// =========================================================================
|
||
|
||
/// <summary>
|
||
/// Returns the account for <paramref name="name"/> if locally known, without
|
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/// fetching from the resolver.
|
||
/// Mirrors Go <c>Server.lookupAccountInternal</c> (private helper).
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public (Account? Account, Exception? Error) LookupAccountInternal(string name)
|
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=> LookupOrFetchAccount(name, fetch: false);
|
||
|
||
/// <summary>
|
||
/// Returns the account for <paramref name="name"/>, optionally fetching from
|
||
/// the resolver if not locally known or if expired.
|
||
/// Mirrors Go <c>Server.lookupOrFetchAccount</c>.
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public (Account? Account, Exception? Error) LookupOrFetchAccount(string name, bool fetch)
|
||
{
|
||
_accounts.TryGetValue(name, out var acc);
|
||
|
||
if (acc != null)
|
||
{
|
||
if (acc.IsExpired())
|
||
{
|
||
Debugf("Requested account [{0}] has expired", name);
|
||
if (_accResolver != null && fetch)
|
||
{
|
||
var updateErr = UpdateAccount(acc);
|
||
if (updateErr != null)
|
||
return (null, ServerErrors.ErrAccountExpired);
|
||
}
|
||
else
|
||
{
|
||
return (null, ServerErrors.ErrAccountExpired);
|
||
}
|
||
}
|
||
return (acc, null);
|
||
}
|
||
|
||
if (_accResolver == null || !fetch)
|
||
return (null, ServerErrors.ErrMissingAccount);
|
||
|
||
return FetchAccountFromResolver(name);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Public account lookup — always fetches from resolver if needed.
|
||
/// Mirrors Go <c>Server.LookupAccount</c>.
|
||
/// </summary>
|
||
public (Account? Account, Exception? Error) LookupAccount(string name)
|
||
=> LookupOrFetchAccount(name, fetch: true);
|
||
|
||
// =========================================================================
|
||
// Account update (features 3043–3044)
|
||
// =========================================================================
|
||
|
||
/// <summary>
|
||
/// Fetches fresh claims and updates the account if the claims have changed.
|
||
/// Mirrors Go <c>Server.updateAccount</c>.
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public Exception? UpdateAccount(Account acc)
|
||
{
|
||
// Don't update more than once per second unless the account is incomplete.
|
||
if (!acc.Incomplete && (DateTime.UtcNow - acc.Updated) < TimeSpan.FromSeconds(1))
|
||
{
|
||
Debugf("Requested account update for [{0}] ignored, too soon", acc.Name);
|
||
return ServerErrors.ErrAccountResolverUpdateTooSoon;
|
||
}
|
||
|
||
var (claimJwt, err) = FetchRawAccountClaims(acc.Name);
|
||
if (err != null) return err;
|
||
|
||
return UpdateAccountWithClaimJwt(acc, claimJwt);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Applies updated JWT claims to the account if they differ from what is stored.
|
||
/// Mirrors Go <c>Server.updateAccountWithClaimJWT</c>.
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public Exception? UpdateAccountWithClaimJwt(Account acc, string claimJwt)
|
||
{
|
||
if (acc == null) return ServerErrors.ErrMissingAccount;
|
||
|
||
// If JWT hasn't changed and account is not incomplete, skip.
|
||
if (!string.IsNullOrEmpty(acc.ClaimJwt) && acc.ClaimJwt == claimJwt && !acc.Incomplete)
|
||
{
|
||
Debugf("Requested account update for [{0}], same claims detected", acc.Name);
|
||
return null;
|
||
}
|
||
|
||
var (accClaims, _, verifyErr) = VerifyAccountClaims(claimJwt);
|
||
if (verifyErr != null) return verifyErr;
|
||
if (accClaims == null) return null;
|
||
|
||
if (acc.Name != accClaims.Subject)
|
||
return ServerErrors.ErrAccountValidation;
|
||
|
||
acc.Issuer = accClaims.Issuer;
|
||
// Full UpdateAccountClaims() deferred to session 11.
|
||
acc.ClaimJwt = claimJwt;
|
||
return null;
|
||
}
|
||
|
||
// =========================================================================
|
||
// Account claims fetch / verify (features 3045–3048)
|
||
// =========================================================================
|
||
|
||
/// <summary>
|
||
/// Fetches the raw JWT string for an account from the resolver.
|
||
/// Mirrors Go <c>Server.fetchRawAccountClaims</c>.
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public (string Jwt, Exception? Error) FetchRawAccountClaims(string name)
|
||
{
|
||
if (_accResolver == null)
|
||
return (string.Empty, ServerErrors.ErrNoAccountResolver);
|
||
|
||
var start = DateTime.UtcNow;
|
||
var (jwt, err) = FetchAccountFromResolverRaw(name);
|
||
var elapsed = DateTime.UtcNow - start;
|
||
|
||
if (elapsed > TimeSpan.FromSeconds(1))
|
||
Warnf("Account [{0}] fetch took {1}", name, elapsed);
|
||
else
|
||
Debugf("Account [{0}] fetch took {1}", name, elapsed);
|
||
|
||
if (err != null)
|
||
{
|
||
Warnf("Account fetch failed: {0}", err);
|
||
return (string.Empty, err);
|
||
}
|
||
return (jwt, null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Fetches and decodes account JWT claims from the resolver.
|
||
/// Mirrors Go <c>Server.fetchAccountClaims</c>.
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public (AccountClaims? Claims, string Jwt, Exception? Error) FetchAccountClaims(string name)
|
||
{
|
||
var (claimJwt, err) = FetchRawAccountClaims(name);
|
||
if (err != null) return (null, string.Empty, err);
|
||
|
||
var (claims, verifiedJwt, verifyErr) = VerifyAccountClaims(claimJwt);
|
||
if (claims != null && claims.Subject != name)
|
||
return (null, string.Empty, ServerErrors.ErrAccountValidation);
|
||
|
||
return (claims, verifiedJwt, verifyErr);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Decodes and validates an account JWT string.
|
||
/// Mirrors Go <c>Server.verifyAccountClaims</c>.
|
||
/// </summary>
|
||
public (AccountClaims? Claims, string Jwt, Exception? Error) VerifyAccountClaims(string claimJwt)
|
||
{
|
||
// Full JWT decoding deferred to session 06 JWT integration.
|
||
// Stub: create a minimal claims object from the raw JWT.
|
||
var claims = AccountClaims.TryDecode(claimJwt);
|
||
if (claims == null)
|
||
return (null, string.Empty, ServerErrors.ErrAccountValidation);
|
||
|
||
if (!IsTrustedIssuer(claims.Issuer))
|
||
return (null, string.Empty, ServerErrors.ErrAccountValidation);
|
||
|
||
return (claims, claimJwt, null);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Fetches an account from the resolver, registers it, and returns it.
|
||
/// Mirrors Go <c>Server.fetchAccount</c>.
|
||
/// Lock must NOT be held on entry.
|
||
/// </summary>
|
||
public (Account? Account, Exception? Error) FetchAccountFromResolver(string name)
|
||
{
|
||
var (accClaims, claimJwt, err) = FetchAccountClaims(name);
|
||
if (accClaims == null) return (null, err);
|
||
|
||
var acc = BuildInternalAccount(accClaims);
|
||
// Due to possible race, registerAccount may return an already-registered account.
|
||
var racc = RegisterAccountInternal(acc);
|
||
if (racc != null)
|
||
{
|
||
// Update with new claims if changed.
|
||
var updateErr = UpdateAccountWithClaimJwt(racc, claimJwt);
|
||
return updateErr != null ? (null, updateErr) : (racc, null);
|
||
}
|
||
|
||
acc.ClaimJwt = claimJwt;
|
||
return (acc, null);
|
||
}
|
||
|
||
// =========================================================================
|
||
// Account helpers
|
||
// =========================================================================
|
||
|
||
/// <summary>
|
||
/// Builds an Account from decoded claims.
|
||
/// Mirrors Go <c>Server.buildInternalAccount</c>.
|
||
/// Full JetStream limits / import / export wiring deferred to session 11.
|
||
/// </summary>
|
||
internal Account BuildInternalAccount(AccountClaims? claims)
|
||
{
|
||
var acc = new Account
|
||
{
|
||
Name = claims?.Subject ?? string.Empty,
|
||
Issuer = claims?.Issuer ?? string.Empty,
|
||
};
|
||
return acc;
|
||
}
|
||
|
||
/// <summary>
|
||
/// Fetches the raw JWT directly from the resolver without timing/logging.
|
||
/// </summary>
|
||
private (string Jwt, Exception? Error) FetchAccountFromResolverRaw(string name)
|
||
{
|
||
if (_accResolver == null)
|
||
return (string.Empty, ServerErrors.ErrNoAccountResolver);
|
||
try
|
||
{
|
||
var jwt = _accResolver.FetchAsync(name).GetAwaiter().GetResult();
|
||
return (jwt, null);
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
return (string.Empty, ex);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Computes the route-pool index for an account name using FNV-32a.
|
||
/// Mirrors Go <c>computeRoutePoolIdx</c> (route.go).
|
||
/// </summary>
|
||
internal static int ComputeRoutePoolIdx(int poolSize, string accountName)
|
||
{
|
||
if (poolSize <= 1) return 0;
|
||
// FNV-32a hash (Go uses fnv.New32a)
|
||
uint hash = 2166136261u;
|
||
foreach (var b in System.Text.Encoding.UTF8.GetBytes(accountName))
|
||
{
|
||
hash ^= b;
|
||
hash *= 16777619u;
|
||
}
|
||
return (int)(hash % (uint)poolSize);
|
||
}
|
||
|
||
// =========================================================================
|
||
// Stubs for subsystems implemented in later sessions
|
||
// =========================================================================
|
||
|
||
/// <summary>
|
||
/// Stub: enables account tracking (session 12 — events.go).
|
||
/// </summary>
|
||
internal void EnableAccountTracking(Account acc)
|
||
{
|
||
ArgumentNullException.ThrowIfNull(acc);
|
||
Debugf("Enabled account tracking for {0}", acc.Name);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Stub: registers system imports on an account (session 12).
|
||
/// </summary>
|
||
internal void RegisterSystemImports(Account acc)
|
||
{
|
||
ArgumentNullException.ThrowIfNull(acc);
|
||
acc.Imports.Services ??= new Dictionary<string, List<ServiceImportEntry>>(StringComparer.Ordinal);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Stub: adds system-account exports (session 12).
|
||
/// </summary>
|
||
internal void AddSystemAccountExports(Account acc)
|
||
{
|
||
ArgumentNullException.ThrowIfNull(acc);
|
||
acc.Exports.Services ??= new Dictionary<string, ServiceExportEntry>(StringComparer.Ordinal);
|
||
}
|
||
}
|