static void Main(string[] args) { IntPtr userData = new IntPtr(0); try { FPPool myPool = new FPPool("128.221.200.56?c:\\pea\\emea1.pea"); FPTag myTag; FPLogger log = new FPLogger(); log.LogPath = "C:\\GenStreamsLog.txt"; log.Start(); // First we'll write a test clip to the Centera string fileName = "c:\\discovery.xml"; FileInfo info = new FileInfo(fileName); FPClip myClip = myPool.ClipCreate("GenericStreamWrite_testClip"); myTag = myClip.AddTag("testTag"); FPGenericStream myStream = new FPGenericStream(File.OpenRead(fileName), userData); myStream.StreamLen = info.Length; myTag.BlobWrite(myStream); myTag.Close(); myStream.Close(); string clipID = myClip.Write(); myClip.Close(); FPLogger.ConsoleMessage("\nGenericStreamWrite test succeeded"); // Now we will test reading it back from the Centera { myClip = myPool.ClipOpen(clipID, FPMisc.OPEN_ASTREE); myTag = myClip.NextTag; myStream = new FPGenericStream(File.OpenWrite("c:\\test.out"), userData); myStream.StreamLen = myTag.BlobSize; myTag.BlobRead(myStream); myStream.Close(); FPLogger.ConsoleMessage("\nGenericStreamRead test succeeded for FileStream"); // We could use a Memory stream. As it is a bi-directional stream we // need to use a ctor that specifies the direction we want to use. // We'll set up the space first. MemoryStream s = new MemoryStream((int)myTag.BlobSize); myStream = new FPGenericStream(s, FPStream.StreamDirection.OutputFromCentera, userData); myStream.StreamLen = myTag.BlobSize; myTag.BlobRead(myStream, FPMisc.OPTION_DEFAULT_OPTIONS); myStream.Close(); FPLogger.ConsoleMessage("\nGenericStreamRead test succeeded for MemoryStream"); myTag.Close(); myClip.Close(); myPool.Close(); } catch (FPLibraryException e) { ErrorInfo err = e.errorInfo; FPLogger.ConsoleMessage("\nException thrown in FP Library: Error " + err.error + " " + err.message); } }
static void Main(string[] args) { IntPtr userData = new IntPtr(0); string clipID; BinaryReader myReader; BinaryWriter myWriter; BlobStream myStream; // For thsi test we are using a file as the input. *Any* stream could be used. // This would be your test PDF - in a file or memory stream. FileStream inputStream = new FileStream("e:\\testfile", FileMode.Open); FPLogger.ConsoleMessage("\nInput file length " + inputStream.Length); try { FPLogger log = new FPLogger(); log.LogPath = "C:\\GenStreamsLog.txt"; log.Start(); // Create a test clip demonstrating how to write a blob using a stream FPPool myPool = new FPPool("cse1.centera.lab.emc.com"); FPClip myClip = myPool.ClipCreate("GenericStreamWrite_testClip"); FPTag myTag = myClip.AddTag("testTag"); // Simple test of the BlobWriteStream - write contents of a local file // to Centera using a StreamReader and StreamWriter // We are using a temporary MemoryStream for our staging area myStream = new BlobWriteStream(myTag); myReader = new BinaryReader(inputStream); myWriter = new BinaryWriter(myStream); long writeTime1 = DateTime.Now.Ticks; myWriter.Write(myReader.ReadBytes((int)inputStream.Length)); myWriter.Flush(); ((BlobWriteStream)myStream).Close(); // If we don't do this it will stay open forever with keep alives! writeTime1 = DateTime.Now.Ticks - writeTime1; // If we assign values to existing FP objects we must explicitly close // them first to avoid potential "Object In Use" errors on future closure myTag.Close(); myTag = myClip.AddTag("SlicedBlob"); inputStream.Seek(0, SeekOrigin.Begin); long writeTime = DateTime.Now.Ticks; SlicedBlobWriter.Instance(inputStream, myTag, 8); writeTime = DateTime.Now.Ticks - writeTime; myTag.Close(); clipID = myClip.Write(); myClip.Close(); FPLogger.ConsoleMessage("\nGenericStreamWrite test succeeded " + clipID); // Now we will test reading it back from the Centera { myClip = myPool.ClipOpen(clipID, FPMisc.OPEN_ASTREE); myTag = myClip.NextTag; // Here we create a stream to read back the blob long readTime1 = DateTime.Now.Ticks; myStream = new BlobReadStream(myTag); // This is only to test to verify when we read the content back it is the same as the // input file i.e. we are going to store it on the file system and then use file system tools // to compare the files myReader = new BinaryReader(myStream); myWriter = new BinaryWriter(new FileStream("c:\\testfile2.out", FileMode.Create)); ((BlobReadStream)myStream).Join(); myWriter.Write(myReader.ReadBytes((int)myTag.BlobSize)); myWriter.Flush(); myStream.Close(); readTime1 = DateTime.Now.Ticks - readTime1; myTag.Close(); // This shows how to read content back using multiple threads myTag = myClip.NextTag; long readTime = DateTime.Now.Ticks; SlicedBlobReader.Instance(new FileStream("c:\\testfile2.out.sliced", FileMode.Create), myTag, 8); readTime = DateTime.Now.Ticks - readTime; myTag.Close(); myClip.Close(); myPool.Close(); FPLogger.ConsoleMessage("\nSerial tests - Write time: " + TimeSpan.FromTicks(writeTime1) + " Read time " + TimeSpan.FromTicks(readTime1)); FPLogger.ConsoleMessage("\nMulti threaded tests - Write time: " + TimeSpan.FromTicks(writeTime) + " Read time " + TimeSpan.FromTicks(readTime)); } catch (FPLibraryException e) { ErrorInfo err = e.errorInfo; FPLogger.ConsoleMessage("\nException thrown in FP Library: Error " + err.error + " " + err.message); } }
static void Main(string[] args) { try { FPLogger.ConsoleMessage("\nCluster to connect to [" + defaultCluster + "] : "); String clusterAddress = System.Console.ReadLine(); if ("" == clusterAddress) { clusterAddress = defaultCluster; } UTF8Encoding converter2 = new UTF8Encoding(); // We are going to create a filename containing Chinese characters byte[] inputFileName = { 0xE6, 0x98, 0x8E, 0xE5, 0xA4, 0xA9, 0x2E, 0x74, 0x78, 0x74 }; string fileName = System.Text.Encoding.UTF8.GetString(inputFileName); File.WriteAllText(fileName, "Test file with wide characters in the file name\n"); FPLogger.ConsoleMessage("\nEnter the threshold to use for Embedded Blobs: "); String blobString = System.Console.ReadLine(); if (blobString == "") { blobString = "0"; } int blobThreshold = Int32.Parse(blobString); if (blobThreshold > 0) { FPLogger.ConsoleMessage("\nContent less than " + blobString + " bytes will be embedded in the CDF."); } else { FPLogger.ConsoleMessage("\nContent will never be embedded in the CDF."); } FPPool.EmbeddedBlobThreshold = blobThreshold; FPPool thePool = new FPPool(clusterAddress); // Create the clip FPClip clipRef = new FPClip(thePool, "UTF8_Example"); clipRef.SetAttribute("OriginalFilename", fileName); FPTag fileTag = clipRef.AddTag("WideFilenameTag"); fileTag.SetAttribute("filename", fileName); // Write the content of the file to the Centera FPStream streamRef = new FPWideFilenameStream(fileName); fileTag.BlobWrite(streamRef, FPMisc.OPTION_CLIENT_CALCID); streamRef.Close(); long blobSize = fileTag.BlobSize; if (blobThreshold > 0 && blobSize < blobThreshold) { FPLogger.ConsoleMessage("\nContent was embedded in the CDF as size " + blobSize + " is less than the threshold."); } fileTag.Close(); fileTag = clipRef.AddTag("TestTag"); fileTag.SetAttribute("fileCabinetGuid", "52d9cf57-7261-472a-b6d9-a8cdd30d1d27"); fileTag.SetAttribute("attr2", "a second attribute"); fileTag.SetAttribute("anotherattr", "the third attribute"); /* Or you can write from a memory buffer holding the data * The exampe uses a byte array containing a string */ UTF8Encoding converter = new UTF8Encoding(); byte[] rawBuffer = converter.GetBytes("This is a test string to illustrate how to interface to Centera using a buffer stream"); IntPtr source = Marshal.AllocHGlobal(rawBuffer.Length); Marshal.Copy(rawBuffer, 0, source, rawBuffer.Length); streamRef = new FPStream(source, rawBuffer.Length, FPStream.StreamDirection.InputToCentera); fileTag.BlobWrite(streamRef, FPMisc.OPTION_CLIENT_CALCID); streamRef.Close(); Marshal.FreeHGlobal(source); fileTag.Close(); fileTag = clipRef.AddTag("TestTag2"); fileTag.SetAttribute("filename", fileName); // We will only store a fragment of the file - "length" characters from position "offset" long offset = 5; long length = 30; streamRef = new FPWideFilenameStream(fileName, offset, length); fileTag.BlobWrite(streamRef, FPMisc.OPTION_CLIENT_CALCID); streamRef.Close(); // And this is how we read back at most "length" characters into a file at position "offset" // We can also specify that we don't want the created file to be larger than "maxFileSize" long maxFileSize = 20; streamRef = new FPWideFilenameStream(fileName + ".partial", FileMode.OpenOrCreate, offset, length, maxFileSize); fileTag.BlobRead(streamRef); streamRef.Close(); String clipID = clipRef.Write(); /* Write the Clip ID to the output file, "inputFileName.clipID" */ FPLogger.ConsoleMessage("\nThe C-Clip ID of the content is " + clipID); FileStream outFile = new FileStream(fileName + ".clipID", FileMode.Create); BinaryWriter outWriter = new BinaryWriter(outFile); outWriter.Write(clipID.ToString() + "\n"); outWriter.Close(); outFile.Close(); fileTag.Close(); clipRef.Close(); thePool.Close(); } catch (FPLibraryException e) { ErrorInfo err = e.errorInfo; FPLogger.ConsoleMessage("\nException thrown in FP Library: Error " + err.error + " " + err.message); } }