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C# PrepareLogRecord.GetSizeWithLengthPrefix方法代码示例

本文整理汇总了C#中PrepareLogRecord.GetSizeWithLengthPrefix方法的典型用法代码示例。如果您正苦于以下问题:C# PrepareLogRecord.GetSizeWithLengthPrefix方法的具体用法?C# PrepareLogRecord.GetSizeWithLengthPrefix怎么用?C# PrepareLogRecord.GetSizeWithLengthPrefix使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PrepareLogRecord的用法示例。


在下文中一共展示了PrepareLogRecord.GetSizeWithLengthPrefix方法的9个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: a_record_can_be_written

        public void a_record_can_be_written()
        {
            var filename = Path.Combine(PathName, "prefix.tf0");
            var chunkHeader = new ChunkHeader(1, 10000, 0, 0, 0);
            var chunkBytes = chunkHeader.AsByteArray();
            var buf = new byte[ChunkHeader.Size + ChunkFooter.Size + chunkHeader.ChunkSize];
            Buffer.BlockCopy(chunkBytes, 0, buf, 0, chunkBytes.Length);
            File.WriteAllBytes(filename, buf);

            _checkpoint = new InMemoryCheckpoint(137);
            var db = new TFChunkDb(new TFChunkDbConfig(PathName,
                                                       new PrefixFileNamingStrategy(PathName, "prefix.tf"),
                                                       chunkHeader.ChunkSize,
                                                       0,
                                                       _checkpoint,
                                                       new ICheckpoint[0]));
            db.OpenVerifyAndClean();

            var writer = new TFChunkWriter(db);
            var record = new PrepareLogRecord(logPosition: 0,
                                              correlationId: _correlationId,
                                              eventId: _eventId,
                                              transactionPosition: 0,
                                              eventStreamId: "WorldEnding",
                                              expectedVersion: 1234,
                                              timeStamp: new DateTime(2012, 12, 21),
                                              flags: PrepareFlags.None,
                                              eventType: "type",
                                              data: new byte[8000],
                                              metadata: new byte[] { 7, 17 });

            Console.WriteLine(record.GetSizeWithLengthPrefix());
            Console.WriteLine(record.GetSizeWithLengthPrefix() + 137);

            long pos;
            Assert.IsTrue(writer.Write(record, out pos));
            writer.Close();
            db.Dispose();

            Assert.AreEqual(record.GetSizeWithLengthPrefix() + 137, _checkpoint.Read());
            using (var filestream = File.Open(filename, FileMode.Open, FileAccess.Read))
            {
                filestream.Seek(ChunkHeader.Size + 137 + sizeof(int), SeekOrigin.Begin);
                var reader = new BinaryReader(filestream);
                var read = LogRecord.ReadFrom(reader);

                Console.WriteLine(string.Join("\n", Directory.EnumerateFiles(PathName)));

                Assert.AreEqual(record, read);
            }
        }
开发者ID:vishal-h,项目名称:EventStore-1,代码行数:51,代码来源:when_writing_an_existing_chunked_transaction_file_with_checksum_and_data_bigger_than_buffer.cs

示例2: a_record_can_be_written

 public void a_record_can_be_written()
 {
     var filename = Path.Combine(PathName, "prefix.tf0");
     File.WriteAllBytes(filename, new byte[10000]);
     _checkpoint = new InMemoryCheckpoint(137);
     var tf = new MultifileTransactionFileWriter(
         new TransactionFileDatabaseConfig(PathName, "prefix.tf", 100000, _checkpoint, new List<ICheckpoint>()));
     tf.Open();
     var record = new PrepareLogRecord(logPosition: 0,
                                       correlationId: _correlationId,
                                       eventId: _eventId,
                                       transactionPosition: 0,
                                       eventStreamId: "WorldEnding",
                                       expectedVersion: 1234,
                                       timeStamp: new DateTime(2012, 12, 21),
                                       flags: PrepareFlags.None,
                                       eventType: "type",
                                       data: new byte[8000],
                                       metadata: new byte[] {7, 17});
     long tmp;
     tf.Write(record, out tmp);
     tf.Close();
     Assert.AreEqual(record.GetSizeWithLengthPrefix() + 137, _checkpoint.Read());
     using (var filestream = File.Open(filename, FileMode.Open, FileAccess.Read))
     {
         filestream.Seek(137 + sizeof(int), SeekOrigin.Begin);
         var reader = new BinaryReader(filestream);
         var read = LogRecord.ReadFrom(reader);
         Assert.AreEqual(record, read);
     }
 }
开发者ID:jpierson,项目名称:EventStore,代码行数:31,代码来源:when_writing_an_existing_multifile_transaction_file_with_checksum_and_data_bigger_than_buffer.cs

示例3: a_record_can_be_written

 public void a_record_can_be_written()
 {
     var filename = Path.Combine(PathName, "prefix.tf0");
     var secondfilename = Path.Combine(PathName, "prefix.tf1");
     File.WriteAllBytes(filename, new byte[10000]);
     _checkpoint = new InMemoryCheckpoint(9990);
     var tf = new MultifileTransactionFileWriter(
         new TransactionFileDatabaseConfig(PathName, "prefix.tf", 10000, _checkpoint, new List<ICheckpoint>()));
     tf.Open();
     var record = new PrepareLogRecord(logPosition: 0,
                                       correlationId: _correlationId,
                                       eventId: _eventId,
                                       expectedVersion: 1234,
                                       transactionPosition: 0,
                                       eventStreamId: "WorldEnding",
                                       timeStamp: new DateTime(2012, 12, 21),
                                       flags: PrepareFlags.None,
                                       eventType: "type",
                                       data: new byte[] { 1, 2, 3, 4, 5 },
                                       metadata: new byte[] {7, 17});
     long tmp;
     tf.Write(record, out tmp);
     tf.Close();
     Assert.AreEqual(record.GetSizeWithLengthPrefix() + 9990, _checkpoint.Read()); //9990 is fluff assigned to beginning of checkpoint
     Assert.IsTrue(File.Exists(secondfilename));
     var stream = new MemoryStream();
     var buffer = new byte[256];
     using (var filestream = File.Open(filename, FileMode.Open, FileAccess.Read))
     {
         filestream.Seek(9990, SeekOrigin.Begin);
         filestream.Read(buffer, 0, 10);
         stream.Write(buffer, 0, 10);
     }
     using (var filestream = File.Open(secondfilename, FileMode.Open, FileAccess.Read))
     {
         filestream.Seek(0, SeekOrigin.Begin);
         filestream.Read(buffer, 0, record.GetSizeWithLengthPrefix() - 10);
         stream.Write(buffer, 0, record.GetSizeWithLengthPrefix() - 10);
     }
     stream.Seek(0 + sizeof(int), SeekOrigin.Begin);
     var reader = new BinaryReader(stream);
     var read = LogRecord.ReadFrom(reader);
     Assert.AreEqual(record, read);
 }
开发者ID:jpierson,项目名称:EventStore,代码行数:44,代码来源:when_writing_an_existing_multifile_transaction_file_with_checksum_that_overlaps.cs

示例4: a_record_can_be_written

        public void a_record_can_be_written()
        {
            var filename = Path.Combine(PathName, "prefix.tf0");
            var chunkHeader = new ChunkHeader(1, 10000, 0, 0, 0);
            var chunkBytes = chunkHeader.AsByteArray();
            var bytes = new byte[ChunkHeader.Size + 10000 + ChunkFooter.Size];
            Buffer.BlockCopy(chunkBytes, 0, bytes, 0, chunkBytes.Length);
            File.WriteAllBytes(filename, bytes);

            _checkpoint = new InMemoryCheckpoint(137);
            var db = new TFChunkDb(new TFChunkDbConfig(PathName,
                                                       new PrefixFileNamingStrategy(PathName, "prefix.tf"),
                                                       10000,
                                                       0,
                                                       _checkpoint,
                                                       new ICheckpoint[0]));
            db.OpenVerifyAndClean();
            var tf = new TFChunkWriter(db);
            var record = new PrepareLogRecord(logPosition: 0,
                                              correlationId: _correlationId,
                                              eventId: _eventId,
                                              expectedVersion: 1234,
                                              transactionPosition: 0,
                                              eventStreamId: "WorldEnding",
                                              timeStamp: new DateTime(2012, 12, 21),
                                              flags: PrepareFlags.None,
                                              eventType: "type",
                                              data: new byte[] { 1, 2, 3, 4, 5 },
                                              metadata: new byte[] { 7, 17 });
            long tmp;
            tf.Write(record, out tmp);
            //tf.Flush();
            tf.Close();
            db.Dispose();

            Assert.AreEqual(record.GetSizeWithLengthPrefix() + 137, _checkpoint.Read()); //137 is fluff assigned to beginning of checkpoint
            //TODO actually read the event
            using (var filestream = File.Open(filename, FileMode.Open, FileAccess.Read))
            {
                filestream.Seek(ChunkHeader.Size + 137 + sizeof(int), SeekOrigin.Begin);
                var reader = new BinaryReader(filestream);
                var read = LogRecord.ReadFrom(reader);
                Assert.AreEqual(record, read);
            }
        }
开发者ID:jpierson,项目名称:EventStore,代码行数:45,代码来源:when_writing_an_existing_chunked_transaction_file_with_checksum.cs

示例5: a_record_can_be_written

        public void a_record_can_be_written()
        {
            _checkpoint = new InMemoryCheckpoint(0);
            var db = new TFChunkDb(new TFChunkDbConfig(PathName,
                                                       new PrefixFileNamingStrategy(PathName, "prefix.tf"),
                                                       1000,
                                                       0,
                                                       _checkpoint,
                                                       new ICheckpoint[0]));
            db.OpenVerifyAndClean();
            var tf = new TFChunkWriter(db);
            tf.Open();
            var record = new PrepareLogRecord(logPosition: 0,
                                              correlationId: _correlationId,
                                              eventId: _eventId,
                                              transactionPosition: 0,
                                              eventStreamId: "WorldEnding",
                                              expectedVersion: 1234,
                                              timeStamp: new DateTime(2012, 12, 21),
                                              flags: PrepareFlags.None,
                                              eventType: "type",
                                              data: new byte[] { 1, 2, 3, 4, 5 },
                                              metadata: new byte[] { 7, 17 });
            long tmp;
            tf.Write(record, out tmp);
            tf.Close();
            db.Dispose();

            Assert.AreEqual(record.GetSizeWithLengthPrefix(), _checkpoint.Read());
            using (var filestream = File.Open(Path.Combine(PathName, "prefix.tf0"), FileMode.Open, FileAccess.Read))
            {
                filestream.Position = ChunkHeader.Size;

                var reader = new BinaryReader(filestream);
                reader.ReadInt32();
                var read = LogRecord.ReadFrom(reader);
                Assert.AreEqual(record, read);
            }
        }
开发者ID:jpierson,项目名称:EventStore,代码行数:39,代码来源:when_writing_a_new_chunked_transaction_file.cs

示例6: can_read_a_record_with_length_straddling_multiple_files

        public void can_read_a_record_with_length_straddling_multiple_files()
        {
            var writerchk = new InMemoryCheckpoint(20020);
            var readerchk = new InMemoryCheckpoint("reader", 9998);
            var config = new TransactionFileDatabaseConfig(PathName, "prefix.tf", 10000, writerchk, new[] {readerchk});
            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId, 
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] {7, 17});
            var memstream = new MemoryStream();
            var writer = new BinaryWriter(memstream);
            recordToWrite.WriteWithLengthPrefixTo(writer);
            var buf = memstream.GetBuffer();
            using (var fs = new FileStream(config.FileNamingStrategy.GetFilenameFor(0), FileMode.CreateNew, FileAccess.Write))
            {
                fs.Seek(9998, SeekOrigin.Begin);
                fs.Write(buf, 0, 2);
                fs.Close();
            }
            using (var fs = new FileStream(config.FileNamingStrategy.GetFilenameFor(1), FileMode.CreateNew, FileAccess.Write))
            {
                fs.Seek(0, SeekOrigin.Begin);
                fs.Write(buf, 2, recordToWrite.GetSizeWithLengthPrefix() - 2);
                fs.Close();
            }

            var reader = new MultifileTransactionFileChaser(config, "reader");
            reader.Open();
            LogRecord record = null;
            var readRecord = reader.TryReadNext(out record);
            reader.Close();
            
            Assert.IsTrue(readRecord);
            Assert.AreEqual(recordToWrite, record);
            Assert.AreEqual(9998 + recordToWrite.GetSizeWithLengthPrefix(), readerchk.Read());
        }
开发者ID:jpierson,项目名称:EventStore,代码行数:43,代码来源:when_chasing_a_multifile_transaction_log.cs

示例7: try_read_returns_record_when_writerchecksum_equal

        public void try_read_returns_record_when_writerchecksum_equal()
        {
            var writerchk = new InMemoryCheckpoint(0);
            var readerchk = new InMemoryCheckpoint("reader", 0);
            var config = new TransactionFileDatabaseConfig(PathName, "prefix.tf", 10000, writerchk,
                                                     new List<ICheckpoint> {readerchk});
            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId,
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] {7, 17});
            using (var fs = new FileStream(Path.Combine(PathName, "prefix.tf0"), FileMode.CreateNew, FileAccess.Write))
            {
                var writer = new BinaryWriter(fs);
                recordToWrite.WriteWithLengthPrefixTo(writer);
                fs.Close();
            }
            writerchk.Write(recordToWrite.GetSizeWithLengthPrefix());
            
            var reader = new MultifileTransactionFileChaser(config, "reader");
            reader.Open();
            LogRecord record = null;
            var readRecord = reader.TryReadNext(out record);
            reader.Close();

            Assert.IsTrue(readRecord);
            Assert.AreEqual(record.GetSizeWithLengthPrefix(), readerchk.Read());
            Assert.AreEqual(recordToWrite, record);
        }
开发者ID:jpierson,项目名称:EventStore,代码行数:35,代码来源:when_chasing_a_multifile_transaction_log.cs

示例8: a_record_is_not_written_at_first_but_written_on_second_try

        public void a_record_is_not_written_at_first_but_written_on_second_try()
        {
            var filename1 = Path.Combine(PathName, "prefix.tf0");
            var filename2 = Path.Combine(PathName, "prefix.tf1");
            var chunkHeader = new ChunkHeader(1, 10000, 0, 0, 0);
            var chunkBytes = chunkHeader.AsByteArray();
            var bytes = new byte[ChunkHeader.Size + 10000 + ChunkFooter.Size];
            Buffer.BlockCopy(chunkBytes, 0, bytes, 0, chunkBytes.Length);
            File.WriteAllBytes(filename1, bytes);

            _checkpoint = new InMemoryCheckpoint(0);
            var db = new TFChunkDb(new TFChunkDbConfig(PathName,
                                                       new PrefixFileNamingStrategy(PathName, "prefix.tf"),
                                                       10000,
                                                       0,
                                                       _checkpoint,
                                                       new ICheckpoint[0]));
            db.OpenVerifyAndClean();
            var tf = new TFChunkWriter(db);
            long pos;

            var record1 = new PrepareLogRecord(logPosition: 0,
                                               correlationId: _correlationId,
                                               eventId: _eventId,
                                               expectedVersion: 1234,
                                               transactionPosition: 0,
                                               eventStreamId: "WorldEnding",
                                               timeStamp: new DateTime(2012, 12, 21),
                                               flags: PrepareFlags.None,
                                               eventType: "type",
                                               data: new byte[] { 1, 2, 3, 4, 5 },
                                               metadata: new byte[8000]);
            Assert.IsTrue(tf.Write(record1, out pos)); // almost fill up first chunk

            var record2 = new PrepareLogRecord(logPosition: pos,
                                               correlationId: _correlationId,
                                               eventId: _eventId,
                                               expectedVersion: 1234,
                                               transactionPosition: pos,
                                               eventStreamId: "WorldEnding",
                                               timeStamp: new DateTime(2012, 12, 21),
                                               flags: PrepareFlags.None,
                                               eventType: "type",
                                               data: new byte[] { 1, 2, 3, 4, 5 },
                                               metadata: new byte[8000]);
            Assert.IsFalse(tf.Write(record2, out pos)); // chunk has too small space

            var record3 = new PrepareLogRecord(logPosition: pos,
                                               correlationId: _correlationId,
                                               eventId: _eventId,
                                               expectedVersion: 1234,
                                               transactionPosition: pos,
                                               eventStreamId: "WorldEnding",
                                               timeStamp: new DateTime(2012, 12, 21),
                                               flags: PrepareFlags.None,
                                               eventType: "type",
                                               data: new byte[] { 1, 2, 3, 4, 5 },
                                               metadata: new byte[2000]);
            Assert.IsTrue(tf.Write(record3, out pos));
            tf.Close();
            db.Dispose();

            Assert.AreEqual(record3.GetSizeWithLengthPrefix() + 10000, _checkpoint.Read());
            using (var filestream = File.Open(filename2, FileMode.Open, FileAccess.Read))
            {
                filestream.Seek(ChunkHeader.Size + sizeof(int), SeekOrigin.Begin);
                var reader = new BinaryReader(filestream);
                var read = LogRecord.ReadFrom(reader);
                Assert.AreEqual(record3, read);
            }
        }
开发者ID:vishal-h,项目名称:EventStore-1,代码行数:71,代码来源:when_writing_an_existing_chunked_transaction_file_with_not_enough_space_in_chunk.cs

示例9: try_read_returns_record_when_writerchecksum_equal

        public void try_read_returns_record_when_writerchecksum_equal()
        {
            var writerchk = new InMemoryCheckpoint(0);
            var chaserchk = new InMemoryCheckpoint(Checkpoint.Chaser, 0);
            var db = new TFChunkDb(new TFChunkDbConfig(PathName,
                                                       new PrefixFileNamingStrategy(PathName, "prefix.tf"),
                                                       10000,
                                                       0,
                                                       writerchk,
                                                       new[] {chaserchk}));
            db.OpenVerifyAndClean();

            var recordToWrite = new PrepareLogRecord(logPosition: 0,
                                                     correlationId: _correlationId,
                                                     eventId: _eventId,
                                                     transactionPosition: 0,
                                                     eventStreamId: "WorldEnding",
                                                     expectedVersion: 1234,
                                                     timeStamp: new DateTime(2012, 12, 21),
                                                     flags: PrepareFlags.None,
                                                     eventType: "type",
                                                     data: new byte[] { 1, 2, 3, 4, 5 },
                                                     metadata: new byte[] { 7, 17 });
            var writer = new TFChunkWriter(db);
            writer.Open();
            long pos;
            Assert.IsTrue(writer.Write(recordToWrite, out pos));
            writer.Close();

            writerchk.Write(recordToWrite.GetSizeWithLengthPrefix());

            var chaser = new TFChunkChaser(db, writerchk, chaserchk);
            chaser.Open();

            LogRecord record;
            var readRecord = chaser.TryReadNext(out record);
            chaser.Close();

            Assert.IsTrue(readRecord);
            Assert.AreEqual(record.GetSizeWithLengthPrefix(), chaserchk.Read());
            Assert.AreEqual(recordToWrite, record);
        
            db.Close();
        }
开发者ID:vishal-h,项目名称:EventStore-1,代码行数:44,代码来源:when_chasing_a_chunked_transaction_log.cs


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