public RealtimeFileMonitor(ILogger logger, SyncEngine <FileStatusLine> syncEngine, FileSyncer syncer)
{
this.logger = logger;
this.syncEngine = syncEngine;
this.syncer = syncer;
}
static void RunSyncJob(SyncOptions options)
{
var syncJob = SyncJob.Load(options.SyncJobFile);
// only allow one instance running against any sync file
if (syncJob.CurrentPid > 0 && Process.GetProcessesByName(Process.GetCurrentProcess().ProcessName).Select(p => p.Id).Contains(syncJob.CurrentPid))
{
Console.WriteLine($"Unable to run sync on {options.SyncJobFile}. Sync already running in process {syncJob.CurrentPid}");
return;
}
syncJob.CurrentPid = Process.GetCurrentProcess().Id;
syncJob.Save(options.SyncJobFile);
try {
var logger = new LoggerFactory()
.AddSerilog(new LoggerConfiguration()
.MinimumLevel.Is(options.Debug ? LogEventLevel.Debug : LogEventLevel.Information)
.WriteTo.Console(restrictedToMinimumLevel: options.Quiet ? LogEventLevel.Warning : LogEventLevel.Information, outputTemplate: "{Message:lj}{NewLine}")
.WriteTo.File(syncJob.LogPath, rollingInterval: Serilog.RollingInterval.Day, retainedFileCountLimit: syncJob.LogFileLimit)
.CreateLogger())
.CreateLogger("sync_run");
logger.LogInformation("");
logger.LogInformation("------------------------------------------------");
logger.LogInformation($"START sync: {syncJob.PathA} <-> {syncJob.PathB}");
logger.LogInformation("------------------------------------------------");
logger.LogInformation("");
var syncEngine = new SyncEngine <FileStatusLine>(logger, FileMatcher);
var fileSyncer = new FileSyncer(logger);
var stopwatch = new Stopwatch();
stopwatch.Start();
var sourceFiles = new DirectoryParser(logger).Parse(syncJob.PathA)
.Select(fi => CreateSyncItem(fi, syncJob.PathA))
.ToHashSet();
logger.LogInformation($"Parsing PathA ({syncJob.PathA}) took {stopwatch.Elapsed.TotalSeconds} seconds");
stopwatch.Restart();
var destFiles = new DirectoryParser(logger).Parse(syncJob.PathB)
.Select(fi => CreateSyncItem(fi, syncJob.PathB))
.ToHashSet();
logger.LogInformation($"Parsing PathB ({syncJob.PathB}) took {stopwatch.Elapsed.TotalSeconds} seconds");
stopwatch.Restart();
var statusLines = syncJob.StatusLines
.Select(sl => new SyncItem <FileStatusLine>("", sl.Key, sl))
.ToHashSet();
logger.LogInformation($"Parsing Job Status took {stopwatch.Elapsed.TotalSeconds} seconds");
Console.WriteLine(new string(' ', Console.WindowWidth));
stopwatch.Restart();
var changeset = syncEngine.GetChangeSet(sourceFiles, destFiles, statusLines);
logger.LogInformation($"Calculating changeset took {stopwatch.Elapsed.TotalSeconds} seconds");
PrintOperations();
if (!GetUserConfirmation())
{
return;
}
stopwatch.Restart();
fileSyncer.Sync(syncJob, changeset);
logger.LogInformation($"File sync took {stopwatch.Elapsed.TotalSeconds} seconds");
syncJob.Save(options.SyncJobFile);
if (options.Realtime)
{
logger.LogInformation("");
logger.LogInformation("Entering realtime file system monitoring...");
var fileMonitor = new RealtimeFileMonitor(logger, syncEngine, fileSyncer);
fileMonitor.Monitor(syncJob, options.SyncJobFile);
while (true)
{
System.Threading.Thread.Sleep(1);
}
}
SyncItem <FileStatusLine> CreateSyncItem(FileInfo fileInfo, string basePath)
{
string key = Path.GetRelativePath(basePath, fileInfo.FullName);
var syncLine = new FileStatusLine {
Key = key,
LastModified = fileInfo.LastWriteTimeUtc
};
return(new SyncItem <FileStatusLine>(fileInfo.FullName, key, syncLine));
}
SyncItem <FileStatusLine> FileMatcher(SyncItem <FileStatusLine> a, SyncItem <FileStatusLine> b)
{
logger.LogDebug($"Conflict Resolution: A = {a.Item.LastModified.ToString()}, B = {b.Item.LastModified.ToString()}");
return(a.Item.LastModified > b.Item.LastModified ? a : a.Item.LastModified < b.Item.LastModified ? b : null);
}
void PrintOperations()
{
if (changeset.Count() > 0)
{
Log("Operations to perform:");
int maxKeyLen = changeset.Select(s => s.Item.Key.Length).Max() + 2;
foreach (var op in changeset)
{
if (op.ItemOperation == ItemOperation.None && op.StatusOperation == StatusOperation.None)
{
continue;
}
Log(op.ToString(maxKeyLen));
}
}
else
{
Log("\tDirectories are in-sync");
}
void Log(string message)
{
logger.LogInformation(message);
}
}
bool GetUserConfirmation()
{
if (!options.Force)
{
logger.LogInformation("");
logger.LogInformation("Confirm? (yes/NO): ");
string confirm = Console.ReadLine();
if (confirm.ToLower() != "yes")
{
logger.LogDebug("User cancelled sync");
return(false);
}
logger.LogDebug("Sync confirmed");
}
else
{
logger.LogDebug("Force option set. Confirmation skipped");
}
return(true);
}
} finally {
syncJob.CurrentPid = 0;
syncJob.Save(options.SyncJobFile);
}
}