コード例 #1
0
        public static Task Run(Snapshots.ISnapshotService snapshot, Options options, BackupDatabase database, long lastfilesetid, CancellationToken token)
        {
            return(AutomationExtensions.RunTask(new
            {
                Input = Backup.Channels.SourcePaths.ForRead,
                StreamBlockChannel = Channels.StreamBlock.ForWrite,
                Output = Backup.Channels.ProcessedFiles.ForWrite,
            },

                                                async self =>
            {
                var emptymetadata = Utility.WrapMetadata(new Dictionary <string, string>(), options);
                var prevprefix = new KeyValuePair <string, long>(null, -1);

                var CHECKFILETIMEONLY = options.CheckFiletimeOnly;
                var DISABLEFILETIMECHECK = options.DisableFiletimeCheck;

                while (true)
                {
                    var path = await self.Input.ReadAsync();

                    var lastwrite = new DateTime(0, DateTimeKind.Utc);
                    var attributes = default(FileAttributes);
                    try
                    {
                        lastwrite = snapshot.GetLastWriteTimeUtc(path);
                    }
                    catch (Exception ex)
                    {
                        Logging.Log.WriteWarningMessage(FILELOGTAG, "TimestampReadFailed", ex, "Failed to read timestamp on \"{0}\"", path);
                    }

                    try
                    {
                        attributes = snapshot.GetAttributes(path);
                    }
                    catch (Exception ex)
                    {
                        Logging.Log.WriteVerboseMessage(FILELOGTAG, "FailedAttributeRead", "Failed to read attributes from {0}: {1}", path, ex.Message);
                    }

                    // If we only have metadata, stop here
                    if (await ProcessMetadata(path, attributes, lastwrite, options, snapshot, emptymetadata, database, self.StreamBlockChannel).ConfigureAwait(false))
                    {
                        try
                        {
                            var split = Database.LocalDatabase.SplitIntoPrefixAndName(path);

                            long prefixid;
                            if (string.Equals(prevprefix.Key, split.Key, StringComparison.Ordinal))
                            {
                                prefixid = prevprefix.Value;
                            }
                            else
                            {
                                prefixid = await database.GetOrCreatePathPrefix(split.Key);
                                prevprefix = new KeyValuePair <string, long>(split.Key, prefixid);
                            }

                            if (CHECKFILETIMEONLY || DISABLEFILETIMECHECK)
                            {
                                var tmp = await database.GetFileLastModifiedAsync(prefixid, split.Value, lastfilesetid, false);
                                await self.Output.WriteAsync(new FileEntry
                                {
                                    OldId = tmp.Item1,
                                    Path = path,
                                    PathPrefixID = prefixid,
                                    Filename = split.Value,
                                    Attributes = attributes,
                                    LastWrite = lastwrite,
                                    OldModified = tmp.Item2,
                                    LastFileSize = tmp.Item3,
                                    OldMetaHash = null,
                                    OldMetaSize = -1
                                });
                            }
                            else
                            {
                                var res = await database.GetFileEntryAsync(prefixid, split.Value, lastfilesetid);
                                await self.Output.WriteAsync(new FileEntry
                                {
                                    OldId = res == null ? -1 : res.id,
                                    Path = path,
                                    PathPrefixID = prefixid,
                                    Filename = split.Value,
                                    Attributes = attributes,
                                    LastWrite = lastwrite,
                                    OldModified = res == null ? new DateTime(0) : res.modified,
                                    LastFileSize = res == null ? -1 : res.filesize,
                                    OldMetaHash = res == null ? null : res.metahash,
                                    OldMetaSize = res == null ? -1 : res.metasize
                                });
                            }
                        }
                        catch (Exception ex)
                        {
                            if (ex.IsRetiredException() || token.IsCancellationRequested)
                            {
                                continue;
                            }
                            Logging.Log.WriteWarningMessage(FILELOGTAG, "ProcessingMetadataFailed", ex,
                                                            "Failed to process entry, path: {0}", path);
                        }
                    }
                }
            }));
        }
コード例 #2
0
        public static Task Run(Snapshots.ISnapshotService snapshot, Options options, BackupDatabase database, long lastfilesetid)
        {
            return(AutomationExtensions.RunTask(new
            {
                Input = Backup.Channels.SourcePaths.ForRead,
                StreamBlockChannel = Channels.StreamBlock.ForWrite,
                Output = Backup.Channels.ProcessedFiles.ForWrite,
            },

                                                async self =>
            {
                var emptymetadata = Utility.WrapMetadata(new Dictionary <string, string>(), options);

                var CHECKFILETIMEONLY = options.CheckFiletimeOnly;
                var DISABLEFILETIMECHECK = options.DisableFiletimeCheck;

                while (true)
                {
                    var path = await self.Input.ReadAsync();

                    var lastwrite = new DateTime(0, DateTimeKind.Utc);
                    var attributes = default(FileAttributes);
                    try
                    {
                        lastwrite = snapshot.GetLastWriteTimeUtc(path);
                    }
                    catch (Exception ex)
                    {
                        Logging.Log.WriteWarningMessage(FILELOGTAG, "TimestampReadFailed", ex, "Failed to read timestamp on \"{0}\"", path);
                    }

                    try
                    {
                        attributes = snapshot.GetAttributes(path);
                    }
                    catch (Exception ex)
                    {
                        Logging.Log.WriteVerboseMessage(FILELOGTAG, "FailedAttributeRead", "Failed to read attributes from {0}: {1}", path, ex.Message);
                    }

                    // If we only have metadata, stop here
                    if (await ProcessMetadata(path, attributes, lastwrite, options, snapshot, emptymetadata, database, self.StreamBlockChannel).ConfigureAwait(false))
                    {
                        try
                        {
                            if (CHECKFILETIMEONLY || DISABLEFILETIMECHECK)
                            {
                                var tmp = await database.GetFileLastModifiedAsync(path, lastfilesetid, false);
                                await self.Output.WriteAsync(new FileEntry()
                                {
                                    OldId = tmp.Item1,
                                    Path = path,
                                    Attributes = attributes,
                                    LastWrite = lastwrite,
                                    OldModified = tmp.Item2,
                                    LastFileSize = tmp.Item3,
                                    OldMetaHash = null,
                                    OldMetaSize = -1
                                });
                            }
                            else
                            {
                                var res = await database.GetFileEntryAsync(path, lastfilesetid);
                                await self.Output.WriteAsync(new FileEntry()
                                {
                                    OldId = res == null ? -1 : res.id,
                                    Path = path,
                                    Attributes = attributes,
                                    LastWrite = lastwrite,
                                    OldModified = res == null ? new DateTime(0) : res.modified,
                                    LastFileSize = res == null ? -1 : res.filesize,
                                    OldMetaHash = res == null ? null : res.metahash,
                                    OldMetaSize = res == null ? -1 : res.metasize
                                });
                            }
                        }
                        catch (Exception ex)
                        {
                            Logging.Log.WriteWarningMessage(FILELOGTAG, "ProcessingMetadataFailed", ex, "Failed to process entry, path: {0}", path);
                        }
                    }
                }
            }));
        }