8c380e7ca6
Implement ConfigureAuthorization, CheckAuthentication, and full auth dispatch in NatsServer.Auth.cs; add HandleSignals in NatsServer.Signals.cs; extend AuthHandler with GetAuthErrClosedState, ValidateProxies, GetTlsAuthDcs, CheckClientTlsCertSubject, ProcessUserPermissionsTemplate; add ReadOperatorJwt/ValidateTrustedOperators to JwtProcessor; add AuthCallout stub; add auth accessor helpers to ClientConnection; add NATS.NKeys package for NKey signature verification; 12 new tests pass.
83 lines
2.6 KiB
C#
83 lines
2.6 KiB
C#
// Copyright 2012-2025 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/signal.go in the NATS server Go source.
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using System.Runtime.InteropServices;
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namespace ZB.MOM.NatsNet.Server;
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/// <summary>
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/// OS signal handling for <see cref="NatsServer"/>.
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/// Mirrors Go <c>signal.go</c>.
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/// </summary>
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public sealed partial class NatsServer
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{
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private PosixSignalRegistration? _sigHup;
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private PosixSignalRegistration? _sigTerm;
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private PosixSignalRegistration? _sigInt;
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/// <summary>
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/// Registers OS signal handlers (SIGHUP, SIGTERM, SIGINT).
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/// On Windows, falls back to <see cref="Console.CancelKeyPress"/>.
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/// Mirrors Go <c>Server.handleSignals</c>.
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/// </summary>
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internal void HandleSignals()
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{
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if (GetOpts()?.NoSigs == true) return;
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if (OperatingSystem.IsWindows())
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{
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Console.CancelKeyPress += (_, e) =>
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{
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e.Cancel = true;
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Noticef("Caught interrupt signal, shutting down...");
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_ = ShutdownAsync();
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};
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return;
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}
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// SIGHUP — reload configuration
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_sigHup = PosixSignalRegistration.Create(PosixSignal.SIGHUP, ctx =>
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{
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ctx.Cancel = true;
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Noticef("Trapped SIGHUP signal, reloading configuration...");
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try { Reload(); }
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catch (Exception ex) { Errorf("Config reload failed: {0}", ex.Message); }
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});
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// SIGTERM — graceful shutdown
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_sigTerm = PosixSignalRegistration.Create(PosixSignal.SIGTERM, ctx =>
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{
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ctx.Cancel = true;
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Noticef("Trapped SIGTERM signal, shutting down...");
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_ = ShutdownAsync();
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});
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// SIGINT — interrupt (Ctrl+C)
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_sigInt = PosixSignalRegistration.Create(PosixSignal.SIGINT, ctx =>
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{
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ctx.Cancel = true;
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Noticef("Trapped SIGINT signal, shutting down...");
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_ = ShutdownAsync();
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});
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}
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private void DisposeSignalHandlers()
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{
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_sigHup?.Dispose();
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_sigTerm?.Dispose();
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_sigInt?.Dispose();
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}
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}
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