//this is a buffered manual copy rather than File.Copy, so that we can get progress callbacks
//for a smoother progress bar
protected virtual void CopyFile(string source, string target, CopyReportCallback report)
{
FileStream inStream = null;
FileStream outStream = null;
try{
inStream = File.Open(source, FileMode.Open, FileAccess.Read);
outStream = File.Open(target, FileMode.Create, FileAccess.Write);
int bytesPerLoop = 1024;
byte[] buffer = new byte [bytesPerLoop];
int count = 0;
do
{
count = inStream.Read(buffer, 0, bytesPerLoop);
outStream.Write(buffer, 0, count);
//outStream.Flush (); //? buffer likely to flush every 4kb anyway
report(count);
} while (count > 0);
} finally {
if (inStream != null)
{
inStream.Close();
}
if (outStream != null)
{
outStream.Close();
}
}
}
//this is a buffered manual copy rather than File.Copy, so that we can get progress callbacks
//for a smoother progress bar
protected virtual void CopyFile (string source, string target, CopyReportCallback report)
{
FileStream inStream = null;
FileStream outStream = null;
try{
inStream = File.Open (source, FileMode.Open, FileAccess.Read);
outStream = File.Open (target, FileMode.Create, FileAccess.Write);
int bytesPerLoop = 1024;
byte[] buffer = new byte [bytesPerLoop];
int count = 0;
do {
count = inStream.Read (buffer, 0, bytesPerLoop);
outStream.Write (buffer, 0, count);
//outStream.Flush (); //? buffer likely to flush every 4kb anyway
report (count);
} while (count > 0);
} finally {
if (inStream != null)
inStream.Close ();
if (outStream != null)
outStream.Close ();
}
}
internal void InternalCopyFiles(IProgressMonitor monitor, IFileReplacePolicy replacePolicy, FileCopyConfiguration copyConfig, DeployFileCollection deployFiles, DeployContext context, string realPrefix)
{
string targetDirectory = ((LocalFileCopyConfiguration)copyConfig).TargetDirectory;
if (string.IsNullOrEmpty(copyConfig.FriendlyLocation) || string.IsNullOrEmpty(targetDirectory))
{
throw new InvalidOperationException("Cannot deploy to unconfigured location.");
}
List <DeployFileConf> files = new List <DeployFileConf> ();
long totalFileSize = 0;
//pre-scan: ask all copy/replace questions first so user doesn't have to wait, and get
foreach (DeployFile df in deployFiles)
{
if (!context.IncludeFile(df))
{
continue;
}
DeployFileConf dfc = new DeployFileConf();
files.Add(dfc);
dfc.SourceFile = df.SourcePath;
dfc.FileSize = FileSize(dfc.SourceFile);
totalFileSize += dfc.FileSize;
string relativeTarget = context.GetResolvedPath(df.TargetDirectoryID, df.RelativeTargetPath);
if (relativeTarget == null)
{
throw new InvalidOperationException(GettextCatalog.GetString("Could not resolve target directory ID \"{0}\"", df.TargetDirectoryID));
}
dfc.TargetFile = Path.Combine(targetDirectory, relativeTarget);
//this is a bit hacky; it's an internal hook to the BaseFuseFileCopyHandler implementation a level up the inheritance heirarchy
//Essentailly we are aliasing the path so that BaseFuseFileCopyHandler can use LocalFileCopyHandler to do the local copying
//after the temp FUSE directory is mounted
if (!string.IsNullOrEmpty(realPrefix))
{
dfc.InternalTargetFile = Path.Combine(realPrefix, context.GetResolvedPath(df.TargetDirectoryID, df.RelativeTargetPath));
}
else
{
dfc.InternalTargetFile = dfc.TargetFile;
}
if (FileExists(dfc.InternalTargetFile))
{
dfc.SourceModified = File.GetLastWriteTime(dfc.SourceFile);
dfc.TargetModified = GetTargetModificationTime(dfc.InternalTargetFile);
dfc.ReplaceMode = replacePolicy.GetReplaceAction(dfc.SourceFile, dfc.SourceModified, dfc.TargetFile, dfc.TargetModified);
if (dfc.ReplaceMode == FileReplaceMode.Abort)
{
monitor.Log.WriteLine(GettextCatalog.GetString("Deployment aborted: target file {0} already exists.", dfc.TargetFile));
throw new OperationCanceledException();
}
}
}
//PROBLEM: monitor takes ints, file sizes are longs
//HOWEVER: longs are excessively long for a progress bar
//SOLUTION: assume total task has a length of 1000 (longer than this is probably unnecessary for a progress bar),
// and set up a callback system for translating the actual long number of bytes into a portion of this
const int progressBarLength = 1000;
long stepSize = totalFileSize / progressBarLength;
long carry = 0;
monitor.BeginTask(copyConfig.FriendlyLocation, progressBarLength);
CopyReportCallback copyCallback = delegate(long bytes) {
if (monitor.IsCancelRequested)
{
return(false);
}
int steps = (int)(bytes / stepSize);
carry += bytes % stepSize;
if (carry > stepSize)
{
steps += 1;
carry -= stepSize;
}
if (steps > 0)
{
monitor.Step(steps);
}
return(true);
};
//now the actual copy
foreach (DeployFileConf file in files)
{
//abort the copy if cancelling
if (monitor.IsCancelRequested)
{
break;
}
EnsureDirectoryExists(Path.GetDirectoryName(file.InternalTargetFile));
if (file.ReplaceMode != FileReplaceMode.NotSet)
{
switch (file.ReplaceMode)
{
case FileReplaceMode.Skip:
monitor.Log.WriteLine(GettextCatalog.GetString("Skipped {0}: file exists.", file.TargetFile));
copyCallback(file.FileSize);
continue; //next file
case FileReplaceMode.Replace:
monitor.Log.WriteLine(GettextCatalog.GetString("Replaced {0}.", file.TargetFile));
break;
case FileReplaceMode.ReplaceOlder:
if (file.SourceModified > file.TargetModified)
{
monitor.Log.WriteLine(GettextCatalog.GetString("Replacing {0}: existing file is older.", file.TargetFile));
}
else
{
if (file.SourceModified == file.TargetModified)
{
monitor.Log.WriteLine(GettextCatalog.GetString("Skipped {0}: existing file is the same age.", file.TargetFile));
}
else
{
monitor.Log.WriteLine(GettextCatalog.GetString("Skipped {0}: existing file is newer.", file.TargetFile));
}
copyCallback(file.FileSize);
continue; //next file
}
break;
}
}
else
{
monitor.Log.WriteLine(GettextCatalog.GetString("Deployed file {0}.", file.TargetFile));
}
CopyFile(file.SourceFile, file.InternalTargetFile, copyCallback);
}
monitor.EndTask();
}
