public void Append(LogItem logItem)
{
_log.Add(logItem);
}
static void Run(object param)
{
TaskParam taskParam;
if ((taskParam = param as TaskParam) == null)
{
return;
}
Console.WriteLine("{0}\t{1} started...", DateTime.Now.ToString(LogItem.FormatString), taskParam.i);
var rnd = new Random(Thread.CurrentThread.ManagedThreadId);
for (var i = 0; i < 10; ++i)
{
int
nodeNo,
millisecondsTimeout = taskParam.mSec * rnd.Next(10);
Console.WriteLine("{0}\t{1} i={2} (will sleep {3}ms)", DateTime.Now.ToString(LogItem.FormatString), taskParam.i, i, millisecondsTimeout);
if ((nodeNo = rnd.Next(taskParam.nodesMax)) < taskParam.nodesMax)
{
var _lock = new ReaderWriterLockSlim();
DateTime
dateTimeBeforeLock = DateTime.Now,
dateTimeAfterLock;
bool nodeNeedAdd;
LogItem
logItemBeforeEnterReadLock,
logItemAfterEnterReadLock,
logItemAfterExitReadLock,
logItemBeforeEnterWriteLock = null,
logItemAfterEnterWriteLock = null,
logItemNodeHasBeenAdded = null,
logItemAfterExitWriteLock = null,
logItemBeforeLock,
logItemAfterLock;
logItemBeforeEnterReadLock = new LogItem(taskParam.i, i, $"b4 EnterReadLock() for check node {nodeNo}", nodeNo, dateTimeBeforeLock);
Console.WriteLine("{0}\t{1} i={2} b4 EnterReadLock() for check node {3}", dateTimeBeforeLock.ToString(LogItem.FormatString), taskParam.i, i, nodeNo);
_lock.EnterReadLock();
try
{
dateTimeAfterLock = DateTime.Now;
logItemAfterEnterReadLock = new LogItem(taskParam.i, i, $"after EnterReadLock() for check node {nodeNo} successfully", nodeNo, dateTimeBeforeLock, dateTimeAfterLock);
Console.WriteLine("{0}\t{1} i={2} after EnterReadLock() for check node {3} successfully (b4 {4} wait {5}ms)", dateTimeAfterLock.ToString(LogItem.FormatString), taskParam.i, i, nodeNo, dateTimeBeforeLock.ToString(LogItem.FormatString), (dateTimeAfterLock - dateTimeBeforeLock).TotalMilliseconds);
nodeNeedAdd = !taskParam.victim.ContainsKey(nodeNo);
}
finally
{
_lock.ExitReadLock();
dateTimeAfterLock = DateTime.Now;
logItemAfterExitReadLock = new LogItem(taskParam.i, i, $"after ExitReadLock() for check node {nodeNo} successfully", nodeNo, dateTimeBeforeLock, dateTimeAfterLock);
Console.WriteLine("{0}\t{1} i={2} after ExitReadLock() for check node {3} successfully (b4 {4} wait {5}ms)", DateTime.Now.ToString(LogItem.FormatString), taskParam.i, i, nodeNo, dateTimeBeforeLock.ToString(LogItem.FormatString), (dateTimeAfterLock - dateTimeBeforeLock).TotalMilliseconds);
}
if (nodeNeedAdd)
{
dateTimeBeforeLock = DateTime.Now;
logItemBeforeEnterWriteLock = new LogItem(taskParam.i, i, $"b4 EnterWriteLock() for check node {nodeNo}", nodeNo, dateTimeBeforeLock);
Console.WriteLine("{0}\t{1} i={2} b4 EnterWriteLock() for check node {3}", dateTimeBeforeLock.ToString(LogItem.FormatString), taskParam.i, i, nodeNo);
_lock.EnterWriteLock();
try
{
dateTimeAfterLock = DateTime.Now;
logItemAfterEnterWriteLock = new LogItem(taskParam.i, i, $"after EnterWriteLock() for check node {nodeNo} successfully", nodeNo, dateTimeBeforeLock, dateTimeAfterLock);
Console.WriteLine("{0}\t{1} i={2} after EnterWriteLock() for check node {3} successfully (b4 {4} wait {5}ms)", dateTimeAfterLock.ToString(LogItem.FormatString), taskParam.i, i, nodeNo, dateTimeBeforeLock.ToString(LogItem.FormatString), (dateTimeAfterLock - dateTimeBeforeLock).TotalMilliseconds);
taskParam.victim.Add(nodeNo, new Log());
logItemNodeHasBeenAdded = new LogItem(taskParam.i, i, $"node {nodeNo} has been added", nodeNo, DateTime.Now);
Console.WriteLine("{0}\t{1} i={2} node {3} has been added", DateTime.Now.ToString(LogItem.FormatString), taskParam.i, i, nodeNo);
}
finally
{
_lock.ExitWriteLock();
dateTimeAfterLock = DateTime.Now;
logItemAfterExitWriteLock = new LogItem(taskParam.i, i, $"after ExitWriteLock() for check node {nodeNo} successfully", nodeNo, dateTimeBeforeLock, dateTimeAfterLock);
Console.WriteLine("{0}\t{1} i={2} after ExitWriteLock() for check node {3} successfully (b4 {4} wait {5}ms)", DateTime.Now.ToString(LogItem.FormatString), taskParam.i, i, nodeNo, dateTimeBeforeLock.ToString(LogItem.FormatString), (dateTimeAfterLock - dateTimeBeforeLock).TotalMilliseconds);
}
}
dateTimeBeforeLock = DateTime.Now;
logItemBeforeLock = new LogItem(taskParam.i, i, $"trying to lock node {nodeNo}", nodeNo, dateTimeBeforeLock);
Console.WriteLine("{0}\t{1} i={2} trying to lock node {3}", dateTimeBeforeLock.ToString(LogItem.FormatString), taskParam.i, i, nodeNo);
lock (taskParam.victim[nodeNo])
{
dateTimeAfterLock = DateTime.Now;
var millisecondsTimeoutForLock = taskParam.mSec * rnd.Next(10);
logItemAfterLock = new LogItem(taskParam.i, i, $"has locked node {nodeNo} successfully (will sleep {millisecondsTimeoutForLock}ms)", nodeNo, dateTimeBeforeLock, dateTimeAfterLock);
taskParam.victim[nodeNo].Append(logItemBeforeEnterReadLock);
taskParam.victim[nodeNo].Append(logItemAfterEnterReadLock);
taskParam.victim[nodeNo].Append(logItemAfterExitReadLock);
if (logItemBeforeEnterWriteLock != null)
{
taskParam.victim[nodeNo].Append(logItemBeforeEnterWriteLock);
}
if (logItemAfterEnterWriteLock != null)
{
taskParam.victim[nodeNo].Append(logItemAfterEnterWriteLock);
}
if (logItemNodeHasBeenAdded != null)
{
taskParam.victim[nodeNo].Append(logItemNodeHasBeenAdded);
}
if (logItemAfterExitWriteLock != null)
{
taskParam.victim[nodeNo].Append(logItemAfterExitWriteLock);
}
taskParam.victim[nodeNo].Append(logItemBeforeLock);
taskParam.victim[nodeNo].Append(logItemAfterLock);
Console.WriteLine("{0}\t{1} i={2} has locked node {3} successfully (will sleep {6}ms) (b4lock {4} wait {5}ms)", dateTimeAfterLock.ToString(LogItem.FormatString), taskParam.i, i, nodeNo, dateTimeBeforeLock.ToString(LogItem.FormatString), (dateTimeAfterLock - dateTimeBeforeLock).TotalMilliseconds, millisecondsTimeoutForLock);
Thread.Sleep(millisecondsTimeoutForLock);
var tmpDateTime = DateTime.Now;
taskParam.victim[nodeNo].Append(new LogItem(taskParam.i, i, $"has released node {nodeNo} successfully", nodeNo, dateTimeAfterLock, tmpDateTime));
Console.WriteLine("{0}\t{1} i={2} has released node {3} successfully (b4lock {4} wait {5}ms)", tmpDateTime.ToString(LogItem.FormatString), taskParam.i, i, nodeNo, dateTimeAfterLock.ToString(LogItem.FormatString), (tmpDateTime - dateTimeAfterLock).TotalMilliseconds);
}
}
Thread.Sleep(millisecondsTimeout);
}
Console.WriteLine("{0}\t{1} finished", DateTime.Now.ToString(LogItem.FormatString), taskParam.i);
}
