protected static async Task CopyFilesAsync(IFileOperationsExecuter fileOps, string sourceDirectory, string targetDirectory, bool keepInternals = false)
{
if (!await fileOps.DirectoryExistsAsync(sourceDirectory).ConfigureAwait(false))
{
return;
}
char separator = fileOps.DirectorySeparator;
var infos = await fileOps.GetFileSystemInfosAsync(sourceDirectory, keepInternals?MaskingContext.IncludeAll : new MaskingContext(new[] { "**" }, new[] { "**" + separator + ".git**", ".git**" })).ConfigureAwait(false);
var directoriesToCreate = infos.OfType <SlimDirectoryInfo>().Select(d => CombinePaths(targetDirectory, d.FullName.Substring(sourceDirectory.Length), separator)).ToArray();
var relativeFileNames = infos.OfType <SlimFileInfo>().Select(f => f.FullName.Substring(sourceDirectory.Length).TrimStart(separator)).ToArray();
await fileOps.CreateDirectoryAsync(targetDirectory).ConfigureAwait(false);
foreach (string folder in directoriesToCreate)
{
await fileOps.CreateDirectoryAsync(folder).ConfigureAwait(false);
}
await fileOps.FileCopyBatchAsync(
sourceDirectory,
relativeFileNames,
targetDirectory,
relativeFileNames,
true,
true
).ConfigureAwait(false);
}
private async Task TransferFileAsync(IFileOperationsExecuter sourceFileOps, SlimFileInfo sourceFile, IFileOperationsExecuter targetFileOps, SlimFileSystemInfo target, string targetDirectory)
{
if (target == null)
{
if (this.VerboseLogging)
{
this.LogDebug($"{sourceFile.Name} does not exist in {targetDirectory}.");
}
}
var targetFile = target as SlimFileInfo;
if (targetFile != null)
{
this.LogDebug($"{sourceFile.Name} already exists in {targetDirectory}.");
this.LogDebug($"Source timestamp: {sourceFile.LastWriteTimeUtc}, Target timestamp: {targetFile.LastWriteTimeUtc}");
this.LogDebug($"Source size: {sourceFile.Size}, Target size: {targetFile.Size}");
if (sourceFile.LastWriteTimeUtc == targetFile.LastWriteTimeUtc && sourceFile.Size == targetFile.Size)
{
this.LogDebug($"Size and timestamp are the same; skipping {sourceFile.Name}...");
return;
}
}
else if (target != null)
{
this.LogDebug($"{sourceFile.Name} is a file in {sourceFile.DirectoryName}, but a directory in {targetDirectory}.");
this.LogDebug($"Deleting directory {target.FullName}...");
await targetFileOps.DeleteDirectoriesAsync(new[] { target.FullName }).ConfigureAwait(false);
}
else
{
if (!string.IsNullOrEmpty(targetDirectory))
{
await targetFileOps.CreateDirectoryAsync(targetDirectory).ConfigureAwait(false);
}
}
var targetFileName = PathEx.Combine(targetDirectory, sourceFile.Name).Replace(sourceFileOps.DirectorySeparator, targetFileOps.DirectorySeparator);
this.LogDebug($"Transferring {sourceFile.Name} to {targetDirectory}...");
using (var sourceStream = await sourceFileOps.OpenFileAsync(sourceFile.FullName, FileMode.Open, FileAccess.Read).ConfigureAwait(false))
using (var targetStream = await targetFileOps.OpenFileAsync(targetFileName, FileMode.Create, FileAccess.Write).ConfigureAwait(false))
{
await sourceStream.CopyToAsync(targetStream).ConfigureAwait(false);
}
}
private async Task CopyDirectoryAsync(IFileOperationsExecuter fileOps, string sourcePath, string targetPath, IOperationExecutionContext context)
{
if (!await fileOps.DirectoryExistsAsync(sourcePath).ConfigureAwait(false))
{
this.LogWarning($"Source directory {sourcePath} does not exist.");
return;
}
var infos = await fileOps.GetFileSystemInfosAsync(
sourcePath,
new MaskingContext(this.Includes, this.Excludes)
).ConfigureAwait(false);
var files = infos.OfType <SlimFileInfo>();
foreach (var file in files)
{
context.CancellationToken.ThrowIfCancellationRequested();
var targetFileName = PathEx.Combine(targetPath, file.FullName.Substring(sourcePath.Length).TrimStart('/', '\\'));
if (this.VerboseLogging)
{
this.LogDebug($"Copying {file.FullName} to {targetFileName}...");
}
try
{
if (!this.Overwrite && await fileOps.FileExistsAsync(targetFileName).ConfigureAwait(false))
{
this.LogError($"Target file {targetFileName} already exists and overwrite is set to false.");
continue;
}
await fileOps.CreateDirectoryAsync(file.DirectoryName).ConfigureAwait(false);
await fileOps.CopyFileAsync(file.FullName, targetFileName, this.Overwrite).ConfigureAwait(false);
this.filesCopied++;
}
catch (Exception ex)
{
this.LogError($"Cannot copy {file.FullName}: {ex.Message}");
}
}
var dirs = infos.OfType <SlimDirectoryInfo>();
foreach (var dir in dirs)
{
context.CancellationToken.ThrowIfCancellationRequested();
var targetDir = PathEx.Combine(targetPath, dir.FullName.Substring(sourcePath.Length).TrimStart('/', '\\'));
if (this.VerboseLogging)
{
this.LogDebug($"Creating directory {targetDir}...");
}
await fileOps.CreateDirectoryAsync(targetDir).ConfigureAwait(false);
this.directoriesCopied++;
}
}
private async Task LockRegistryAsync(IFileOperationsExecuter fileOps, CancellationToken cancellationToken)
{
var fileName = fileOps.CombinePath(this.RegistryRoot, ".lock");
var lockDescription = "Locked by " + SDK.ProductName;
var lockToken = Guid.NewGuid().ToString();
TryAgain:
var fileInfo = await getFileInfoAsync().ConfigureAwait(false);
string lastToken = null;
while (fileInfo.Item1 != null && DateTime.UtcNow - fileInfo.Item1.LastWriteTimeUtc <= new TimeSpan(0, 0, 10))
{
if ((lastToken == null || !string.Equals(lastToken, fileInfo.Item3)) && fileInfo.Item3 != null)
{
this.logger?.LogDebug("Package registry is locked: " + fileInfo.Item2);
lastToken = fileInfo.Item3;
}
await Task.Delay(500, cancellationToken).ConfigureAwait(false);
fileInfo = await getFileInfoAsync().ConfigureAwait(false);
}
// ensure registry root exists
await fileOps.CreateDirectoryAsync(this.RegistryRoot).ConfigureAwait(false);
try
{
// write out the lock info
using (var lockStream = await fileOps.OpenFileAsync(fileName, FileMode.Create, FileAccess.Write).ConfigureAwait(false))
using (var writer = new StreamWriter(lockStream, InedoLib.UTF8Encoding))
{
writer.WriteLine(lockDescription);
writer.WriteLine(lockToken);
}
// verify that we acquired the lock
using (var lockStream = await fileOps.OpenFileAsync(fileName, FileMode.Open, FileAccess.Read).ConfigureAwait(false))
using (var reader = new StreamReader(lockStream, InedoLib.UTF8Encoding))
{
if (reader.ReadLine() != lockDescription)
{
goto TryAgain;
}
if (reader.ReadLine() != lockToken)
{
goto TryAgain;
}
}
}
catch (IOException ex)
{
this.logger?.LogDebug("Locking package registry failed: " + ex.Message);
// file may be in use by other process
goto TryAgain;
}
// at this point, lock is acquired provided everyone is following the rules
this.LockToken = lockToken;
async Task <(SlimFileInfo, string, string)> getFileInfoAsync()
{
try
{
var info = await fileOps.GetFileInfoAsync(fileName).ConfigureAwait(false);
string description = null, token = null;
try
{
using (var lockStream = await fileOps.OpenFileAsync(fileName, FileMode.Open, FileAccess.Read).ConfigureAwait(false))
using (var reader = new StreamReader(lockStream, InedoLib.UTF8Encoding))
{
description = await reader.ReadLineAsync().ConfigureAwait(false);
token = await reader.ReadLineAsync().ConfigureAwait(false);
}
}
catch (IOException)
{
}
return(info, description, token);
}
catch (FileNotFoundException)
{
return(null, null, null);
}
catch (DirectoryNotFoundException)
{
return(null, null, null);
}
}
}