| | | 1 | | // Copyright (c) ZeroC, Inc. |
| | | 2 | | |
| | | 3 | | using System.Diagnostics; |
| | | 4 | | |
| | | 5 | | namespace Ice.Internal; |
| | | 6 | | |
| | | 7 | | internal interface LoggerAdminLogger : Logger |
| | | 8 | | { |
| | | 9 | | Ice.Object getFacet(); |
| | | 10 | | |
| | | 11 | | // Once detach is called, the logger only logs to the local logger. |
| | | 12 | | void detach(); |
| | | 13 | | } |
| | | 14 | | |
| | | 15 | | // Decorates a logger. |
| | | 16 | | internal sealed class LoggerAdminLoggerI : LoggerAdminLogger |
| | | 17 | | { |
| | 1 | 18 | | private static readonly DateTime _unixEpoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); |
| | | 19 | | private readonly Logger _localLogger; |
| | | 20 | | private readonly LoggerAdminI _loggerAdmin; |
| | | 21 | | private Thread _sendLogThread; |
| | | 22 | | private volatile bool _detached; |
| | 1 | 23 | | private readonly Queue<Job> _jobQueue = new Queue<Job>(); |
| | | 24 | | private const string _traceCategory = "Admin.Logger"; |
| | 1 | 25 | | private readonly object _mutex = new(); |
| | | 26 | | |
| | | 27 | | public void print(string message) |
| | | 28 | | { |
| | 1 | 29 | | _localLogger.print(message); |
| | 1 | 30 | | if (!_detached) |
| | | 31 | | { |
| | 1 | 32 | | var logMessage = new LogMessage(LogMessageType.PrintMessage, now(), "", message); |
| | 1 | 33 | | log(logMessage); |
| | | 34 | | } |
| | 1 | 35 | | } |
| | | 36 | | |
| | | 37 | | public void trace(string category, string message) |
| | | 38 | | { |
| | 1 | 39 | | _localLogger.trace(category, message); |
| | 1 | 40 | | if (!_detached) |
| | | 41 | | { |
| | 1 | 42 | | var logMessage = new LogMessage(LogMessageType.TraceMessage, now(), category, message); |
| | 1 | 43 | | log(logMessage); |
| | | 44 | | } |
| | 1 | 45 | | } |
| | | 46 | | |
| | | 47 | | public void warning(string message) |
| | | 48 | | { |
| | 1 | 49 | | _localLogger.warning(message); |
| | 1 | 50 | | if (!_detached) |
| | | 51 | | { |
| | 1 | 52 | | var logMessage = new LogMessage(LogMessageType.WarningMessage, now(), "", message); |
| | 1 | 53 | | log(logMessage); |
| | | 54 | | } |
| | 1 | 55 | | } |
| | | 56 | | |
| | | 57 | | public void error(string message) |
| | | 58 | | { |
| | 1 | 59 | | _localLogger.error(message); |
| | 1 | 60 | | if (!_detached) |
| | | 61 | | { |
| | 1 | 62 | | var logMessage = new LogMessage(LogMessageType.ErrorMessage, now(), "", message); |
| | 1 | 63 | | log(logMessage); |
| | | 64 | | } |
| | 1 | 65 | | } |
| | | 66 | | |
| | 1 | 67 | | public string getPrefix() => _localLogger.getPrefix(); |
| | | 68 | | |
| | 0 | 69 | | public Logger cloneWithPrefix(string prefix) => _localLogger.cloneWithPrefix(prefix); |
| | | 70 | | |
| | 1 | 71 | | public Ice.Object getFacet() => _loggerAdmin; |
| | | 72 | | |
| | | 73 | | public void detach() |
| | | 74 | | { |
| | 1 | 75 | | Thread thread = null; |
| | 1 | 76 | | lock (_mutex) |
| | | 77 | | { |
| | 1 | 78 | | if (_sendLogThread != null) |
| | | 79 | | { |
| | 1 | 80 | | thread = _sendLogThread; |
| | 1 | 81 | | _sendLogThread = null; |
| | 1 | 82 | | _detached = true; |
| | 1 | 83 | | Monitor.PulseAll(_mutex); |
| | | 84 | | } |
| | 1 | 85 | | } |
| | | 86 | | |
| | 1 | 87 | | thread?.Join(); |
| | | 88 | | |
| | 1 | 89 | | _loggerAdmin.destroy(); |
| | 1 | 90 | | } |
| | | 91 | | |
| | | 92 | | public void Dispose() |
| | | 93 | | { |
| | 1 | 94 | | detach(); |
| | 1 | 95 | | _localLogger.Dispose(); |
| | 1 | 96 | | } |
| | | 97 | | |
| | 1 | 98 | | internal LoggerAdminLoggerI(Ice.Properties props, Ice.Logger localLogger) |
| | | 99 | | { |
| | 1 | 100 | | if (localLogger is LoggerAdminLoggerI wrapper) |
| | | 101 | | { |
| | 0 | 102 | | _localLogger = wrapper.getLocalLogger(); |
| | | 103 | | } |
| | | 104 | | else |
| | | 105 | | { |
| | 1 | 106 | | _localLogger = localLogger; |
| | | 107 | | } |
| | | 108 | | |
| | 1 | 109 | | _loggerAdmin = new LoggerAdminI(props, this); |
| | 1 | 110 | | } |
| | | 111 | | |
| | 1 | 112 | | internal Ice.Logger getLocalLogger() => _localLogger; |
| | | 113 | | |
| | | 114 | | internal void log(Ice.LogMessage logMessage) |
| | | 115 | | { |
| | 1 | 116 | | List<Ice.RemoteLoggerPrx> remoteLoggers = _loggerAdmin.log(logMessage); |
| | | 117 | | |
| | 1 | 118 | | if (remoteLoggers != null) |
| | | 119 | | { |
| | | 120 | | Debug.Assert(remoteLoggers.Count > 0); |
| | | 121 | | |
| | 1 | 122 | | lock (_mutex) |
| | | 123 | | { |
| | 1 | 124 | | if (_sendLogThread == null) |
| | | 125 | | { |
| | 1 | 126 | | _sendLogThread = new Thread(new ThreadStart(run)); |
| | 1 | 127 | | _sendLogThread.Name = "Ice.SendLogThread"; |
| | 1 | 128 | | _sendLogThread.IsBackground = true; |
| | 1 | 129 | | _sendLogThread.Start(); |
| | | 130 | | } |
| | | 131 | | |
| | 1 | 132 | | _jobQueue.Enqueue(new Job(remoteLoggers, logMessage)); |
| | 1 | 133 | | Monitor.PulseAll(_mutex); |
| | 1 | 134 | | } |
| | | 135 | | } |
| | 1 | 136 | | } |
| | | 137 | | |
| | | 138 | | private static long now() |
| | | 139 | | { |
| | 1 | 140 | | TimeSpan t = DateTime.UtcNow - _unixEpoch; |
| | 1 | 141 | | return Convert.ToInt64(t.TotalMilliseconds * 1000); |
| | | 142 | | } |
| | | 143 | | |
| | | 144 | | private void run() |
| | | 145 | | { |
| | 1 | 146 | | if (_loggerAdmin.getTraceLevel() > 1) |
| | | 147 | | { |
| | 0 | 148 | | _localLogger.trace(_traceCategory, "send log thread started"); |
| | | 149 | | } |
| | | 150 | | |
| | | 151 | | while (true) |
| | | 152 | | { |
| | 1 | 153 | | Job job = null; |
| | 1 | 154 | | lock (_mutex) |
| | | 155 | | { |
| | 1 | 156 | | while (!_detached && _jobQueue.Count == 0) |
| | | 157 | | { |
| | 1 | 158 | | Monitor.Wait(_mutex); |
| | | 159 | | } |
| | | 160 | | |
| | 1 | 161 | | if (_detached) |
| | | 162 | | { |
| | 1 | 163 | | break; |
| | | 164 | | } |
| | | 165 | | |
| | | 166 | | Debug.Assert(_jobQueue.Count > 0); |
| | 1 | 167 | | job = _jobQueue.Dequeue(); |
| | 1 | 168 | | } |
| | | 169 | | |
| | 1 | 170 | | foreach (RemoteLoggerPrx p in job.remoteLoggers) |
| | | 171 | | { |
| | 1 | 172 | | if (_loggerAdmin.getTraceLevel() > 1) |
| | | 173 | | { |
| | 0 | 174 | | _localLogger.trace(_traceCategory, $"sending log message to '{p}'"); |
| | | 175 | | } |
| | | 176 | | |
| | | 177 | | // |
| | | 178 | | // p is a proxy associated with the _sendLogCommunicator |
| | | 179 | | // |
| | 1 | 180 | | _ = performLogAsync(p, job.logMessage); |
| | | 181 | | } |
| | | 182 | | } |
| | | 183 | | |
| | 1 | 184 | | if (_loggerAdmin.getTraceLevel() > 1) |
| | | 185 | | { |
| | 0 | 186 | | _localLogger.trace(_traceCategory, "send log thread completed"); |
| | | 187 | | } |
| | | 188 | | |
| | | 189 | | async Task performLogAsync(RemoteLoggerPrx logger, LogMessage logMessage) |
| | | 190 | | { |
| | | 191 | | try |
| | | 192 | | { |
| | 1 | 193 | | await logger.logAsync(logMessage).ConfigureAwait(false); |
| | 1 | 194 | | if (_loggerAdmin.getTraceLevel() > 1) |
| | | 195 | | { |
| | 0 | 196 | | _localLogger.trace(_traceCategory, $"log on '{logger}' completed successfully"); |
| | | 197 | | } |
| | 1 | 198 | | } |
| | 0 | 199 | | catch (Ice.CommunicatorDestroyedException) |
| | | 200 | | { |
| | | 201 | | // expected if there are outstanding calls during communicator destruction |
| | 0 | 202 | | } |
| | 0 | 203 | | catch (Ice.LocalException ex) |
| | | 204 | | { |
| | 0 | 205 | | _loggerAdmin.deadRemoteLogger(logger, _localLogger, ex, "log"); |
| | 0 | 206 | | } |
| | 1 | 207 | | } |
| | 1 | 208 | | } |
| | | 209 | | |
| | | 210 | | private class Job |
| | | 211 | | { |
| | 1 | 212 | | internal Job(List<Ice.RemoteLoggerPrx> r, Ice.LogMessage l) |
| | | 213 | | { |
| | 1 | 214 | | remoteLoggers = r; |
| | 1 | 215 | | logMessage = l; |
| | 1 | 216 | | } |
| | | 217 | | |
| | | 218 | | internal readonly List<Ice.RemoteLoggerPrx> remoteLoggers; |
| | | 219 | | internal readonly Ice.LogMessage logMessage; |
| | | 220 | | } |
| | | 221 | | } |