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feature: add fileLock for reads

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This commit is contained in:
Jason Alborough 2022-04-19 15:19:27 -04:00
parent 33c7038d99
commit f902a57f60
1 changed files with 44 additions and 17 deletions
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61
essentials-framework/Essentials Core/PepperDashEssentialsBase/File/FileIO.cs
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@ -79,19 +79,27 @@ namespace PepperDash.Essentials.Core
{
try
{
DirectoryInfo dirInfo = new DirectoryInfo(file.Name);
Debug.Console(2, "FileIO Getting Data {0}", file.FullName);
if (File.Exists(file.FullName))
if (fileLock.TryEnter())
{
using (StreamReader r = new StreamReader(file.FullName))
DirectoryInfo dirInfo = new DirectoryInfo(file.Name);
Debug.Console(2, "FileIO Getting Data {0}", file.FullName);
if (File.Exists(file.FullName))
{
return r.ReadToEnd();
using (StreamReader r = new StreamReader(file.FullName))
{
return r.ReadToEnd();
}
}
else
{
Debug.Console(2, "File {0} does not exsist", file.FullName);
return "";
}
}
else
{
Debug.Console(2, "File {0} does not exsist", file.FullName);
Debug.Console(0, Debug.ErrorLogLevel.Error, "FileIO Unable to enter FileLock");
return "";
}
@ -101,6 +109,12 @@ namespace PepperDash.Essentials.Core
Debug.Console(0, Debug.ErrorLogLevel.Error, "Error: FileIO read failed: \r{0}", e);
return "";
}
finally
{
if (fileLock != null && !fileLock.Disposed)
fileLock.Leave();
}
}
@ -133,23 +147,30 @@ namespace PepperDash.Essentials.Core
string data;
try
{
DirectoryInfo dirInfo = new DirectoryInfo(file.Name);
Debug.Console(2, "FileIO Getting Data {0}", file.FullName);
if (File.Exists(file.FullName))
if (fileLock.TryEnter())
{
using (StreamReader r = new StreamReader(file.FullName))
DirectoryInfo dirInfo = new DirectoryInfo(file.Name);
Debug.Console(2, "FileIO Getting Data {0}", file.FullName);
if (File.Exists(file.FullName))
{
data = r.ReadToEnd();
using (StreamReader r = new StreamReader(file.FullName))
{
data = r.ReadToEnd();
}
}
else
{
Debug.Console(2, "File {0} Does not exsist", file.FullName);
data = "";
}
GotFileEvent.Invoke(null, new FileEventArgs(data));
}
else
{
Debug.Console(2, "File {0} Does not exsist", file.FullName);
data = "";
Debug.Console(0, Debug.ErrorLogLevel.Error, "FileIO Unable to enter FileLock");
}
GotFileEvent.Invoke(null, new FileEventArgs(data));
}
catch (Exception e)
@ -157,6 +178,12 @@ namespace PepperDash.Essentials.Core
Debug.Console(0, Debug.ErrorLogLevel.Error, "Error: FileIO read failed: \r{0}", e);
data = "";
}
finally
{
if (fileLock != null && !fileLock.Disposed)
fileLock.Leave();
}