/// <summary>
/// Make the <see cref="WindowsSwappableDmbProvider"/> active by replacing the live link with our <see cref="CompileJob"/>.
/// </summary>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation.</param>
/// <returns>A <see cref="Task"/> representing the running operation.</returns>
public async Task MakeActive(CancellationToken cancellationToken)
{
// Note this comment from TGS3:
// These next two lines should be atomic but this is the best we can do
await ioManager.DeleteDirectory(LiveGameDirectory, cancellationToken).ConfigureAwait(false);
await symlinkFactory.CreateSymbolicLink(baseProvider.PrimaryDirectory, ioManager.ResolvePath(LiveGameDirectory), cancellationToken).ConfigureAwait(false);
}
public async Task TestFileWorks()
{
const string Text = "Hello world";
string f2 = null;
var f1 = Path.GetTempFileName();
try
{
f2 = f1 + ".linked";
File.WriteAllText(f1, Text);
await Assert.ThrowsExceptionAsync <ArgumentNullException>(() => symlinkFactory.CreateSymbolicLink(null, null, default)).ConfigureAwait(false);
await Assert.ThrowsExceptionAsync <ArgumentNullException>(() => symlinkFactory.CreateSymbolicLink(f1, null, default)).ConfigureAwait(false);
await symlinkFactory.CreateSymbolicLink(f1, f2, default).ConfigureAwait(false);
Assert.IsTrue(File.Exists(f2));
var f2Contents = File.ReadAllText(f2);
Assert.AreEqual(Text, f2Contents);
}
finally
{
File.Delete(f2);
File.Delete(f1);
}
}
/// <inheritdoc />
public async Task SymlinkStaticFilesTo(string destination, CancellationToken cancellationToken)
{
async Task SymlinkBase(bool files)
{
Task <IReadOnlyList <string> > task;
if (files)
{
task = ioManager.GetFiles(GameStaticFilesSubdirectory, cancellationToken);
}
else
{
task = ioManager.GetDirectories(GameStaticFilesSubdirectory, cancellationToken);
}
var entries = await task.ConfigureAwait(false);
await Task.WhenAll(task.Result.Select(async x =>
{
var destPath = ioManager.ConcatPath(destination, ioManager.GetFileName(x));
logger.LogTrace("Symlinking {0} to {1}...", x, destPath);
var fileExistsTask = ioManager.FileExists(destPath, cancellationToken);
if (await ioManager.DirectoryExists(destPath, cancellationToken).ConfigureAwait(false))
{
await ioManager.DeleteDirectory(destPath, cancellationToken).ConfigureAwait(false);
}
var fileExists = await fileExistsTask.ConfigureAwait(false);
if (fileExists)
{
await ioManager.DeleteFile(destPath, cancellationToken).ConfigureAwait(false);
}
await symlinkFactory.CreateSymbolicLink(ioManager.ResolvePath(x), ioManager.ResolvePath(destPath), cancellationToken).ConfigureAwait(false);
})).ConfigureAwait(false);
}
using (await SemaphoreSlimContext.Lock(semaphore, cancellationToken).ConfigureAwait(false))
{
await EnsureDirectories(cancellationToken).ConfigureAwait(false);
await Task.WhenAll(SymlinkBase(true), SymlinkBase(false)).ConfigureAwait(false);
}
}
/// <inheritdoc />
public async Task SymlinkStaticFilesTo(string destination, CancellationToken cancellationToken)
{
async Task <IReadOnlyList <string> > GetIgnoreFiles()
{
var ignoreFileBytes = await ioManager.ReadAllBytes(StaticIgnorePath(), cancellationToken).ConfigureAwait(false);
var ignoreFileText = Encoding.UTF8.GetString(ignoreFileBytes);
var results = new List <string> {
StaticIgnoreFile
};
//we don't want to lose trailing whitespace on linux
using (var reader = new StringReader(ignoreFileText))
{
cancellationToken.ThrowIfCancellationRequested();
var line = await reader.ReadLineAsync().ConfigureAwait(false);
if (!String.IsNullOrEmpty(line))
{
results.Add(line);
}
}
return(results);
};
IReadOnlyList <string> ignoreFiles;
async Task SymlinkBase(bool files)
{
Task <IReadOnlyList <string> > task;
if (files)
{
task = ioManager.GetFiles(GameStaticFilesSubdirectory, cancellationToken);
}
else
{
task = ioManager.GetDirectories(GameStaticFilesSubdirectory, cancellationToken);
}
var entries = await task.ConfigureAwait(false);
await Task.WhenAll(entries.Select(async x =>
{
var fileName = ioManager.GetFileName(x);
bool ignored;
if (platformIdentifier.IsWindows)
{
//need to normalize
ignored = ignoreFiles.Any(y => fileName.ToUpperInvariant() == y.ToUpperInvariant());
}
else
{
ignored = ignoreFiles.Any(y => fileName == y);
}
if (ignored)
{
logger.LogTrace("Ignoring static file {0}...", fileName);
return;
}
var destPath = ioManager.ConcatPath(destination, fileName);
logger.LogTrace("Symlinking {0} to {1}...", x, destPath);
var fileExistsTask = ioManager.FileExists(destPath, cancellationToken);
if (await ioManager.DirectoryExists(destPath, cancellationToken).ConfigureAwait(false))
{
await ioManager.DeleteDirectory(destPath, cancellationToken).ConfigureAwait(false);
}
var fileExists = await fileExistsTask.ConfigureAwait(false);
if (fileExists)
{
await ioManager.DeleteFile(destPath, cancellationToken).ConfigureAwait(false);
}
await symlinkFactory.CreateSymbolicLink(ioManager.ResolvePath(x), ioManager.ResolvePath(destPath), cancellationToken).ConfigureAwait(false);
})).ConfigureAwait(false);
}
using (await SemaphoreSlimContext.Lock(semaphore, cancellationToken).ConfigureAwait(false))
{
await EnsureDirectories(cancellationToken).ConfigureAwait(false);
ignoreFiles = await GetIgnoreFiles().ConfigureAwait(false);
await Task.WhenAll(SymlinkBase(true), SymlinkBase(false)).ConfigureAwait(false);
}
}
