internal virtual IDictionary <string, DirectoryCollection.DiskErrorInformation> TestDirs
(IList <string> dirs)
{
Dictionary <string, DirectoryCollection.DiskErrorInformation> ret = new Dictionary
<string, DirectoryCollection.DiskErrorInformation>();
foreach (string dir in dirs)
{
string msg;
try
{
FilePath testDir = new FilePath(dir);
DiskChecker.CheckDir(testDir);
if (IsDiskUsageOverPercentageLimit(testDir))
{
msg = "used space above threshold of " + diskUtilizationPercentageCutoff + "%";
ret[dir] = new DirectoryCollection.DiskErrorInformation(DirectoryCollection.DiskErrorCause
.DiskFull, msg);
continue;
}
else
{
if (IsDiskFreeSpaceUnderLimit(testDir))
{
msg = "free space below limit of " + diskUtilizationSpaceCutoff + "MB";
ret[dir] = new DirectoryCollection.DiskErrorInformation(DirectoryCollection.DiskErrorCause
.DiskFull, msg);
continue;
}
}
// create a random dir to make sure fs isn't in read-only mode
VerifyDirUsingMkdir(testDir);
}
catch (IOException ie)
{
ret[dir] = new DirectoryCollection.DiskErrorInformation(DirectoryCollection.DiskErrorCause
.Other, ie.Message);
}
}
return(ret);
}
/// <summary>
/// Check the health of current set of local directories(good and failed),
/// updating the list of valid directories if necessary.
/// </summary>
/// <returns>
/// <em>true</em> if there is a new disk-failure identified in this
/// checking or a failed directory passes the disk check <em>false</em>
/// otherwise.
/// </returns>
internal virtual bool CheckDirs()
{
lock (this)
{
bool setChanged = false;
ICollection <string> preCheckGoodDirs = new HashSet <string>(localDirs);
ICollection <string> preCheckFullDirs = new HashSet <string>(fullDirs);
ICollection <string> preCheckOtherErrorDirs = new HashSet <string>(errorDirs);
IList <string> failedDirs = DirectoryCollection.Concat(errorDirs, fullDirs);
IList <string> allLocalDirs = DirectoryCollection.Concat(localDirs, failedDirs);
IDictionary <string, DirectoryCollection.DiskErrorInformation> dirsFailedCheck = TestDirs
(allLocalDirs);
localDirs.Clear();
errorDirs.Clear();
fullDirs.Clear();
foreach (KeyValuePair <string, DirectoryCollection.DiskErrorInformation> entry in
dirsFailedCheck)
{
string dir = entry.Key;
DirectoryCollection.DiskErrorInformation errorInformation = entry.Value;
switch (entry.Value.cause)
{
case DirectoryCollection.DiskErrorCause.DiskFull:
{
fullDirs.AddItem(entry.Key);
break;
}
case DirectoryCollection.DiskErrorCause.Other:
{
errorDirs.AddItem(entry.Key);
break;
}
}
if (preCheckGoodDirs.Contains(dir))
{
Log.Warn("Directory " + dir + " error, " + errorInformation.message + ", removing from list of valid directories"
);
setChanged = true;
numFailures++;
}
}
foreach (string dir_1 in allLocalDirs)
{
if (!dirsFailedCheck.Contains(dir_1))
{
localDirs.AddItem(dir_1);
if (preCheckFullDirs.Contains(dir_1) || preCheckOtherErrorDirs.Contains(dir_1))
{
setChanged = true;
Log.Info("Directory " + dir_1 + " passed disk check, adding to list of valid directories."
);
}
}
}
ICollection <string> postCheckFullDirs = new HashSet <string>(fullDirs);
ICollection <string> postCheckOtherDirs = new HashSet <string>(errorDirs);
foreach (string dir_2 in preCheckFullDirs)
{
if (postCheckOtherDirs.Contains(dir_2))
{
Log.Warn("Directory " + dir_2 + " error " + dirsFailedCheck[dir_2].message);
}
}
foreach (string dir_3 in preCheckOtherErrorDirs)
{
if (postCheckFullDirs.Contains(dir_3))
{
Log.Warn("Directory " + dir_3 + " error " + dirsFailedCheck[dir_3].message);
}
}
return(setChanged);
}
}
