public static FileChecker TryCreate(ReadedFileInfo fileInfo, WatchMode watch, TimeSpan?delay, CheckMode check)
{
switch (watch)
{
case WatchMode.None:
return(null);
case WatchMode.Time:
if (delay == null)
{
throw new ArgumentNullException("delay");
}
return(new PeriodicFileChecker(fileInfo, delay.Value, check));
case WatchMode.Auto:
try
{
return(new WatchedFileChecker(fileInfo, delay, check));
}
catch (Exception)
{
if (delay == null)
{
throw;
}
}
return(new PeriodicFileChecker(fileInfo, delay.Value, check));
case WatchMode.System:
return(new WatchedFileChecker(fileInfo, delay, check));
default:
throw new ArgumentOutOfRangeException("unexpected mode");
}
}
public static FileChecker TryCreate(ReadedFileInfo fileInfo, WatchMode watch, TimeSpan? delay, CheckMode check)
{
switch (watch)
{
case WatchMode.None:
return null;
case WatchMode.Time:
if (delay == null)
throw new ArgumentNullException("delay");
return new PeriodicFileChecker(fileInfo, delay.Value, check);
case WatchMode.Auto:
try
{
return new WatchedFileChecker(fileInfo, delay, check);
}
catch (Exception)
{
if (delay == null)
throw;
}
return new PeriodicFileChecker(fileInfo, delay.Value, check);
case WatchMode.System:
return new WatchedFileChecker(fileInfo, delay, check);
default:
throw new ArgumentOutOfRangeException("unexpected mode");
}
}
public FileMonitor(string fileName, byte[] expectedContent, WatchMode mode, TimeSpan? delay)
{
_fileName = fileName;
_content = expectedContent;
lock (_sync)
{
if (mode == WatchMode.Time)
{
if (delay == null)
throw new ArgumentNullException("delay time is null");
SetTimer(delay.Value);
}
else if (mode == WatchMode.Auto)
{
_watcher = TryCreateWatch(!delay.HasValue);
if (_watcher == null)
SetTimer(delay.Value);
}
else if (mode == WatchMode.System)
{
_watcher = TryCreateWatch(true);
}
else
throw new ArgumentOutOfRangeException("unexpected mode");
}
AsyncReview();
}
public void WrongArguments(WatchMode mode, int? ms)
{
TimeSpan? ts = null;
if (ms != null)
ts = TimeSpan.FromMilliseconds(ms.Value);
string file = Path.GetTempFileName();
try
{
new FileMonitor(file, new byte[] { 1, 2, 3 }, mode, ts);
}
catch (ArgumentException)
{
}
}
public void FileChange(WatchMode mode, int?ms)
{
TimeSpan?ts = null;
if (ms != null)
{
ts = TimeSpan.FromMilliseconds(ms.Value);
}
string file = Path.GetTempFileName();
File.WriteAllBytes(file, new byte[] { 1, 2, 3 });
var fileInfo = ReadedFileInfo.Create(file, _ => _.CopyTo(Stream.Null));
var m = FileChecker.TryCreate(fileInfo, mode, ts, CheckMode.All);
var wait = new ManualResetEvent(false);
m.Changed += (a, e) =>
{
wait.Set();
};
var t = Task.Factory.StartNew(() =>
{
Thread.Sleep(1000);
using (var fs = new FileStream(file, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
{
fs.Position = 2;
fs.WriteByte(1);
fs.Close();
};
}, TaskCreationOptions.LongRunning);
Task.WaitAll(t);
Assert.IsTrue(wait.WaitOne(10000), "10 sec elapsed");
wait.Reset();
m.Changed += (a, e) =>
{
wait.Set();
};
Assert.IsTrue(wait.WaitOne(10000), "10 sec elapsed");
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="memoryAccess"></param>
public RAMWatch(ref MemoryAccess memoryAccess, WatchMode watchMode, int dispatchTimeout = 1000)
{
_memoryReader = memoryAccess.MemoryReader;
_memoryWriter = memoryAccess.MemoryWriter;
_threads = new Dictionary <string, Thread>();
_watchMode = watchMode;
RAMValueQueue = new ConcurrentQueue <RAMValue>();
switch (_watchMode)
{
// Single Thread
case WatchMode.SingleThreaded:
WatchList = new List <RAMValue>();
_threads.Add("rwf_0", new Thread(new ThreadStart(delegate() { SingleThreadWatch(); })));
_threads["rwf_0"].Start();
break;
// Multi Thread (1 per action)
case WatchMode.MultiThreaded_A:
ReadWatchList = new List <RAMValue>();
WriteWatchList = new List <RAMValue>();
FreezeWatchList = new List <RAMValue>();
_threads.Add("read_0", new Thread(new ThreadStart(delegate() { ThreadedWatchRead(); })));
_threads.Add("write_0", new Thread(new ThreadStart(delegate() { ThreadedWatchWrite(); })));
_threads.Add("freeze_0", new Thread(new ThreadStart(delegate() { ThreadedWatchFreeze(); })));
break;
// Multi Thread (N Thread per action)
case WatchMode.MultiThreaded_N:
// TODO
break;
// Multi Thread (N Single Thread)
case WatchMode.MultiThreaded_S:
// TODO
break;
}
// Start Queue Manager thread
_threads.Add("queue_0", new Thread(new ThreadStart(delegate() { Dispatch(dispatchTimeout); })));
_threads["queue_0"].Start();
}
public static void Main(string[] args)
{
var passedArguments = new Arguments(args);
IDatabase database = new SQLite(@"C:\git\personal\WatchMyPrices\myQuickDb.sqlite");
IWebQueryable webQueryable = new WebQueryable();
IPriceQueryable webPriceQueryable = new WebPriceQueryable(webQueryable, database);
IInteractionMode mode = null;
if (passedArguments.IsWatchMode)
{
mode = new WatchMode(webPriceQueryable, database, passedArguments.TimeInterval);
}
else
{
mode = new InteractiveMode(database);
}
mode.Run();
}
public void FileChange(WatchMode mode, int? ms)
{
TimeSpan? ts = null;
if (ms != null)
ts = TimeSpan.FromMilliseconds(ms.Value);
string file = Path.GetTempFileName();
File.WriteAllBytes(file, new byte[]{1, 2, 3});
var m = new FileMonitor(file, new byte[] { 1, 2, 3 }, mode, ts);
var wait = new ManualResetEvent(false);
m.Changed += (a, e) =>
{
wait.Set();
};
var t = Task.Factory.StartNew(() =>
{
Thread.Sleep(1000);
using (var fs = new FileStream(file, FileMode.Open, FileAccess.Write, FileShare.ReadWrite))
{
fs.Position = 2;
fs.WriteByte(1);
fs.Close();
};
}, TaskCreationOptions.LongRunning);
Task.WaitAll(t);
Assert.IsTrue(wait.WaitOne(10000), "10 sec elapsed");
wait.Reset();
m.Changed += (a, e) =>
{
wait.Set();
};
Assert.IsTrue(wait.WaitOne(10000), "10 sec elapsed");
}
