public void TestEquals()
{
var createOptions = new MongoGridFSCreateOptions { ChunkSize = 123 };
var a = new MongoGridFSFileInfo(gridFS, "f", createOptions);
var b = new MongoGridFSFileInfo(gridFS, "f", createOptions);
var c = new MongoGridFSFileInfo(gridFS, "g", createOptions);
var n = (MongoCredentials) null;
Assert.IsTrue(object.Equals(a, b));
Assert.IsFalse(object.Equals(a, c));
Assert.IsFalse(a.Equals(n));
Assert.IsFalse(a.Equals(null));
Assert.IsTrue(a == b);
Assert.IsFalse(a == c);
Assert.IsFalse(a == null);
Assert.IsFalse(null == a);
Assert.IsTrue(n == null);
Assert.IsTrue(null == n);
Assert.IsFalse(a != b);
Assert.IsTrue(a != c);
Assert.IsTrue(a != null);
Assert.IsTrue(null != a);
Assert.IsFalse(n != null);
Assert.IsFalse(null != n);
}
/// <summary>
/// 添加本地文件
/// </summary>
/// <param name="filePath">本地文件路径</param>
/// <param name="remoteFile">服务Id</param>
/// <returns></returns>
public MetaInfo Add(string filePath, string remoteFile)
{
try
{
_logger.DebugFormat("Add File filePath:{0}, remoteId:{1}", filePath, remoteFile);
MongoGridFSCreateOptions option = new MongoGridFSCreateOptions
{
Id = remoteFile,
UploadDate = DateTime.Now,
ContentType = MimeMapper.GetMimeMapping(filePath),
};
using (var stream = new FileStream(filePath, FileMode.Open))
{
MongoGridFS fs = new MongoGridFS(_context.DataBase);
var info = fs.Upload(stream, remoteFile, option);
return new MetaInfo
{
fileName = remoteFile,
MD5 = info.MD5,
MimeType = info.ContentType,
};
}
}
catch (Exception ex)
{
_logger.Error(ex.Message);
_logger.Error(ex.StackTrace);
throw;
}
}
public void TestCreateWithRemoteFileNameAndCreateOptions()
{
var aliases = new string[] { "a", "b" };
var uploadDate = new DateTime(2011, 11, 10, 19, 57, 0, DateTimeKind.Utc);
var metadata = new BsonDocument("x", 1);
var createOptions = new MongoGridFSCreateOptions()
{
Aliases = aliases,
ChunkSize = 123,
ContentType = "content",
Id = 1,
Metadata = metadata,
UploadDate = uploadDate
};
var info = new MongoGridFSFileInfo(_gridFS, "filename", createOptions);
Assert.IsTrue(aliases.SequenceEqual(info.Aliases));
Assert.AreEqual(123, info.ChunkSize);
Assert.AreEqual("content", info.ContentType);
Assert.AreEqual(_gridFS, info.GridFS);
Assert.AreEqual(1, info.Id.AsInt32);
Assert.AreEqual(0, info.Length);
Assert.AreEqual(null, info.MD5);
Assert.AreEqual(metadata, info.Metadata);
Assert.AreEqual("filename", info.Name);
Assert.AreEqual(uploadDate, info.UploadDate);
}
public void TestEquals()
{
var createOptions = new MongoGridFSCreateOptions { ChunkSize = 123 };
var a1 = new MongoGridFSFileInfo(_gridFS, "f", createOptions);
var a2 = new MongoGridFSFileInfo(_gridFS, "f", createOptions);
var a3 = a2;
var b = new MongoGridFSFileInfo(_gridFS, "g", createOptions);
var null1 = (MongoGridFSFileInfo)null;
var null2 = (MongoGridFSFileInfo)null;
Assert.AreNotSame(a1, a2);
Assert.AreSame(a2, a3);
Assert.IsTrue(a1.Equals((object)a2));
Assert.IsFalse(a1.Equals((object)null));
Assert.IsFalse(a1.Equals((object)"x"));
Assert.IsTrue(a1 == a2);
Assert.IsTrue(a2 == a3);
Assert.IsFalse(a1 == b);
Assert.IsFalse(a1 == null1);
Assert.IsFalse(null1 == a1);
Assert.IsTrue(null1 == null2);
Assert.IsFalse(a1 != a2);
Assert.IsFalse(a2 != a3);
Assert.IsTrue(a1 != b);
Assert.IsTrue(a1 != null1);
Assert.IsTrue(null1 != a1);
Assert.IsFalse(null1 != null2);
Assert.AreEqual(a1.GetHashCode(), a2.GetHashCode());
}
/// <summary>
/// Store a file in the database
/// </summary>
/// <param name="stream">The stream of the files content</param>
/// <param name="fileName">The remote filename</param>
/// <param name="contentType">The file's content type</param>
/// <returns>GridFS File Info</returns>
public MongoGridFSFileInfo Upload(Stream stream, string fileName, string contentType)
{
MongoGridFS fs = new MongoGridFS(this.store);
MongoGridFSCreateOptions options = new MongoGridFSCreateOptions();
options.ContentType = contentType;
return fs.Upload(stream, fileName, options);
}
public void TestEquals()
{
var settings = new MongoGridFSSettings();
var createOptions = new MongoGridFSCreateOptions { ChunkSize = 123 };
var a1 = new MongoGridFSFileInfo(_server, _server.Primary, _database.Name, settings, "f", createOptions);
var a2 = new MongoGridFSFileInfo(_server, _server.Primary, _database.Name, settings, "f", createOptions);
var a3 = a2;
var b = new MongoGridFSFileInfo(_server, _server.Primary, _database.Name, settings, "g", createOptions);
var null1 = (MongoGridFSFileInfo)null;
var null2 = (MongoGridFSFileInfo)null;
Assert.NotSame(a1, a2);
Assert.Same(a2, a3);
Assert.True(a1.Equals((object)a2));
Assert.False(a1.Equals((object)null));
Assert.False(a1.Equals((object)"x"));
Assert.True(a1 == a2);
Assert.True(a2 == a3);
Assert.False(a1 == b);
Assert.False(a1 == null1);
Assert.False(null1 == a1);
Assert.True(null1 == null2);
Assert.False(a1 != a2);
Assert.False(a2 != a3);
Assert.True(a1 != b);
Assert.True(a1 != null1);
Assert.True(null1 != a1);
Assert.False(null1 != null2);
Assert.Equal(a1.GetHashCode(), a2.GetHashCode());
}
/// <summary>
/// Initializes a new instance of the <see cref="MongoGridFSFileInfo"/> class.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="serverInstance">The server instance.</param>
/// <param name="databaseName">Name of the database.</param>
/// <param name="gridFSSettings">The GridFS settings.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
public MongoGridFSFileInfo(
MongoServer server,
MongoServerInstance serverInstance,
string databaseName,
MongoGridFSSettings gridFSSettings,
string remoteFileName,
MongoGridFSCreateOptions createOptions)
: this(server, serverInstance, databaseName, gridFSSettings)
{
if (remoteFileName == null)
{
throw new ArgumentNullException("remoteFileName");
}
if (createOptions == null)
{
throw new ArgumentNullException("createOptions");
}
_aliases = createOptions.Aliases;
_chunkSize = (createOptions.ChunkSize == 0) ? gridFSSettings.ChunkSize : createOptions.ChunkSize;
_contentType = createOptions.ContentType;
_id = createOptions.Id;
_metadata = createOptions.Metadata;
_name = remoteFileName;
_uploadDate = createOptions.UploadDate;
_cached = true; // prevent values from being overwritten by automatic Refresh
}
public void TestCopyTo()
{
_gridFS.Delete(Query.Null);
Assert.AreEqual(0, _gridFS.Chunks.Count());
Assert.AreEqual(0, _gridFS.Files.Count());
var contents = "Hello World";
var bytes = Encoding.UTF8.GetBytes(contents);
var uploadStream = new MemoryStream(bytes);
var createOptions = new MongoGridFSCreateOptions
{
Aliases = new[] { "HelloWorld", "HelloUniverse" },
ChunkSize = _gridFS.Settings.ChunkSize,
ContentType = "text/plain",
Id = ObjectId.GenerateNewId(),
Metadata = new BsonDocument { { "a", 1 }, { "b", 2 } },
UploadDate = DateTime.UtcNow
};
var fileInfo = _gridFS.Upload(uploadStream, "HelloWorld.txt", createOptions);
var copyInfo = fileInfo.CopyTo("HelloWorld2.txt");
Assert.AreEqual(2, _gridFS.Chunks.Count());
Assert.AreEqual(2, _gridFS.Files.Count());
Assert.IsNull(copyInfo.Aliases);
Assert.AreEqual(fileInfo.ChunkSize, copyInfo.ChunkSize);
Assert.AreEqual(fileInfo.ContentType, copyInfo.ContentType);
Assert.AreNotEqual(fileInfo.Id, copyInfo.Id);
Assert.AreEqual(fileInfo.Length, copyInfo.Length);
Assert.AreEqual(fileInfo.MD5, copyInfo.MD5);
Assert.AreEqual(fileInfo.Metadata, copyInfo.Metadata);
Assert.AreEqual("HelloWorld2.txt", copyInfo.Name);
Assert.AreEqual(fileInfo.UploadDate, copyInfo.UploadDate);
}
public void CopyTo() {
gridFS.Delete(Query.Null);
gridFS.Chunks.Count().Should().Be(0);
gridFS.Files.Count().Should().Be(0);
var uploadStream = new MemoryStream(ContentBytes);
var createOptions = new MongoGridFSCreateOptions
{
Aliases = new[] { "애국가", "HelloWorld" },
ChunkSize = gridFS.Settings.ChunkSize,
ContentType = "text/plain",
Id = ObjectId.GenerateNewId(),
Metadata = new BsonDocument { { "a", 1 }, { "b", 2 } },
UploadDate = DateTime.UtcNow
};
var fileInfo = gridFS.Upload(uploadStream, "HelloWorld.txt", createOptions);
fileInfo.Should().Not.Be.Null();
var copyInfo = fileInfo.CopyTo("HelloWorld2.txt");
copyInfo.Should().Not.Be.Null();
gridFS.Chunks.Count().Should().Be(2); // 하나의 파일 크기가 ChunkSize 보다 작으므로
gridFS.Files.Count().Should().Be(2);
copyInfo.Aliases.Should().Be.Null(); // Alias는 복사되지 않습니다.
copyInfo.ChunkSize.Should().Be(fileInfo.ChunkSize);
copyInfo.ContentType.Should().Be(fileInfo.ContentType);
copyInfo.Id.Should().Not.Be(fileInfo.Id);
copyInfo.Length.Should().Be(fileInfo.Length);
copyInfo.MD5.Should().Be(fileInfo.MD5);
Assert.AreEqual(fileInfo.Metadata, copyInfo.Metadata);
copyInfo.Name.Should().Be("HelloWorld2.txt");
copyInfo.UploadDate.Should().Be(fileInfo.UploadDate);
}
public static MongoGridFSFileInfo UploadFile(this IMongoRepository repository, string remoteFilename, Stream stream,
MongoGridFSCreateOptions createOptions) {
stream.ShouldNotBeNull("stream");
remoteFilename.ShouldNotBeWhiteSpace("remoteFilename");
return repository.GridFS.Upload(stream, remoteFilename, createOptions);
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="destFileName">The destination file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(string destFileName, MongoGridFSCreateOptions createOptions)
{
// note: we are aware that the data is making a round trip from and back to the server
// but we choose not to use a script to copy the data locally on the server
// because that would lock the database for too long
var stream = OpenRead();
return(gridFS.Upload(stream, destFileName, createOptions));
}
/// <summary>
/// Creates or opens a GridFS file for writing UTF-8 encoded text.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream writer.</returns>
public StreamWriter CreateText(
string remoteFileName,
MongoGridFSCreateOptions createOptions
)
{
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName, createOptions);
return(fileInfo.CreateText());
}
public ActionResult AttachFile(HttpPostedFileBase file)
{
var options = new MongoGridFSCreateOptions
{
ContentType = file.ContentType
};
var fileInfo = mongoContext.Database.GridFS.Upload(file.InputStream, file.FileName, options);
return Json(fileInfo, JsonRequestBehavior.AllowGet);
}
/// <summary>
/// Opens an existing GridFS file for writing.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenWrite(
string remoteFileName,
MongoGridFSCreateOptions createOptions
)
{
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName, createOptions);
return(fileInfo.OpenWrite());
}
/// <summary>
/// Opens an existing GridFS file for writing.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenWrite(string remoteFileName, MongoGridFSCreateOptions createOptions)
{
using (_server.RequestStart(null, ReadPreference.Primary))
{
var serverInstance = _server.RequestConnection.ServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return(fileInfo.OpenWrite());
}
}
/// <summary>
/// Opens a GridFS file with the specified mode, access and create options.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="mode">The mode.</param>
/// <param name="access">The access.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream Open(
string remoteFileName,
FileMode mode,
FileAccess access,
MongoGridFSCreateOptions createOptions)
{
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName, createOptions);
return(fileInfo.Open(mode, access));
}
public MongoGridFSFileInfo ImportFile(Stream stream, string fileName, MongoGridFSCreateOptions createOptions)
{
if (stream == null) throw new ArgumentNullException("stream");
if (fileName == null) throw new ArgumentNullException("fileName");
if (createOptions == null) throw new ArgumentNullException("createOptions");
if(createOptions.Id == null) throw new NullReferenceException("createOptions.Id");
if (createOptions.UploadDate == null) throw new NullReferenceException("createOptions.UploadDate");
if (createOptions.ContentType == null) throw new NullReferenceException("createOptions.ContentType");
return _mongoGridFS.Upload(stream, fileName, createOptions);
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(Stream stream, string remoteFileName)
{
var options = new MongoGridFSCreateOptions
{
ChunkSize = _settings.ChunkSize,
Id = ObjectId.GenerateNewId(),
UploadDate = DateTime.UtcNow
};
return(Upload(stream, remoteFileName, options));
}
/// <summary>
/// Initializes a new instance of the GridFSFileInfo class.
/// </summary>
/// <param name="gridFS">The GridFS file system that contains the GridFS file.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
public MongoGridFSFileInfo(MongoGridFS gridFS, string remoteFileName, MongoGridFSCreateOptions createOptions)
{
this.gridFS = gridFS;
this.aliases = createOptions.Aliases;
this.chunkSize = createOptions.ChunkSize == 0 ? gridFS.Settings.ChunkSize : createOptions.ChunkSize;
this.contentType = createOptions.ContentType;
this.id = createOptions.Id;
this.metadata = createOptions.Metadata;
this.name = remoteFileName;
this.uploadDate = createOptions.UploadDate;
this.cached = true; // prevent values from being overwritten by automatic Refresh
}
/// <summary>
/// Initializes a new instance of the GridFSFileInfo class.
/// </summary>
/// <param name="gridFS">The GridFS file system that contains the GridFS file.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
public MongoGridFSFileInfo(MongoGridFS gridFS, string remoteFileName, MongoGridFSCreateOptions createOptions)
{
_gridFS = gridFS;
_aliases = createOptions.Aliases;
_chunkSize = (createOptions.ChunkSize == 0) ? gridFS.Settings.ChunkSize : createOptions.ChunkSize;
_contentType = createOptions.ContentType;
_id = createOptions.Id;
_metadata = createOptions.Metadata;
_name = remoteFileName;
_uploadDate = createOptions.UploadDate;
_cached = true; // prevent values from being overwritten by automatic Refresh
}
public static MongoGridFSFileInfo UploadImageToDish(this Dish dishWithImages, MongoGridFS gridFS, System.IO.Stream fs, string imageName, string contentType)
{
log.DebugFormat("[UploadImageToDish] This RestaurantBasicData.Id={0}, MongoGridFS, imageName={1}, contentType={2}.", dishWithImages.Id, gridFS.ToString(), imageName, contentType);
MongoGridFSCreateOptions gridFSOption = new MongoGridFSCreateOptions();
gridFSOption.ContentType = contentType;
var gridFsInfo = gridFS.Upload(fs, imageName, gridFSOption);
ImageData convertedValue = ImageServices.ConvertToImageData(gridFsInfo);
dishWithImages.Image = convertedValue;
//dishWithImages.Images[0] = convertedValue;
var fileId = gridFsInfo.Id;
return gridFsInfo;
}
/// <summary>
/// Opens a GridFS file with the specified mode, access and create options.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="mode">The mode.</param>
/// <param name="access">The access.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream Open(
string remoteFileName,
FileMode mode,
FileAccess access,
MongoGridFSCreateOptions createOptions)
{
using (_server.RequestStart(DetermineReadPreference(mode, access)))
{
var serverInstance = _server.RequestServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return(fileInfo.Open(mode, access));
}
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="destFileName">The destination file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(string destFileName, MongoGridFSCreateOptions createOptions)
{
EnsureServerInstanceIsPrimary();
using (_server.RequestStart(_serverInstance))
{
// note: we are aware that the data is making a round trip from and back to the server
// but we choose not to use a script to copy the data locally on the server
// because that would lock the database for too long
var gridFS = new MongoGridFS(_server, _databaseName, _settings);
var stream = OpenRead();
return(gridFS.Upload(stream, destFileName, createOptions));
}
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="destFileName">The destination file name.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(string destFileName)
{
// copy all createOptions except Aliases (which are considered alternate filenames)
var createOptions = new MongoGridFSCreateOptions
{
ChunkSize = chunkSize,
ContentType = contentType,
Metadata = metadata,
UploadDate = uploadDate
};
return(CopyTo(destFileName, createOptions));
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="sourceFileName">The source file name.</param>
/// <param name="destFileName">The destination file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(
string sourceFileName,
string destFileName,
MongoGridFSCreateOptions createOptions)
{
var fileInfo = FindOne(sourceFileName);
if (fileInfo == null)
{
var message = string.Format("GridFS file '{0}' not found.", sourceFileName);
throw new FileNotFoundException(message);
}
return(fileInfo.CopyTo(destFileName, createOptions));
}
public ActionResult AttachImage(string id, HttpPostedFileBase file)
{
var rental = GetRental(id);
var imageId = ObjectId.GenerateNewId();
rental.ImageId = imageId.ToString();
Context.Rentals.Save(rental);
var options = new MongoGridFSCreateOptions
{
Id = imageId,
ContentType = file.ContentType
};
Context.Database.GridFS.Upload(file.InputStream, file.FileName);
return RedirectToAction("Index");
}
/// <summary>
/// Creates or opens a GridFS file for writing UTF-8 encoded text.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream writer.</returns>
public StreamWriter CreateText(string remoteFileName, MongoGridFSCreateOptions createOptions)
{
if (_settings.ReadPreference != ReadPreference.Primary)
{
var gridFS = GetPrimaryGridFSSettings();
return(gridFS.CreateText(remoteFileName, createOptions));
}
using (_server.RequestStart(null, ReadPreference.Primary))
{
var serverInstance = _server.RequestConnection.ServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return(fileInfo.CreateText());
}
}
/// <summary>
/// Opens an existing GridFS file for writing.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenWrite(string remoteFileName, MongoGridFSCreateOptions createOptions)
{
if (_settings.ReadPreference != ReadPreference.Primary)
{
var gridFS = WithReadPreferencePrimary();
return(gridFS.OpenWrite(remoteFileName, createOptions));
}
using (_server.RequestStart(ReadPreference.Primary))
{
var serverInstance = _server.RequestServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return(fileInfo.OpenWrite());
}
}
public MongoGridFSFileInfo(
MongoGridFS gridFS,
string remoteFileName,
MongoGridFSCreateOptions createOptions
)
{
this.gridFS = gridFS;
this.aliases = createOptions.Aliases;
this.chunkSize = createOptions.ChunkSize;
this.contentType = createOptions.ContentType;
this.id = createOptions.Id;
this.metadata = createOptions.Metadata;
this.name = remoteFileName;
this.uploadDate = createOptions.UploadDate;
this.cached = true; // prevent values from being overwritten by automatic Refresh
}
public static MongoGridFSFileInfo UploadImageToRestaurant(this RestaurantBasicData rest, MongoGridFS gridFS, System.IO.Stream fs, string imageName, string contentType)
{
//resize picture 100 * 100
//save to profile
//on output implement logic of presentation - if we have image let's display it
//copy all images that we have on links to gridFS
//Upload images from backoffice.
log.DebugFormat("[UploadImageToRestaurant] This RestaurantBasicData.Id={0}, MongoGridFS, imageName={1}.", rest.Id, gridFS.ToString(), imageName);
MongoGridFSCreateOptions gridFSOption = new MongoGridFSCreateOptions();
gridFSOption.ContentType = contentType;
var gridFsInfo = gridFS.Upload(fs, imageName, gridFSOption);
ImageData convertedValue = ImageServices.ConvertToImageData(gridFsInfo);
rest.Image = convertedValue;
var fileId = gridFsInfo.Id;
return gridFsInfo;
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="sourceFileName">The source file name.</param>
/// <param name="destFileName">The destination file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(
string sourceFileName,
string destFileName,
MongoGridFSCreateOptions createOptions)
{
if (_settings.ReadPreference != ReadPreference.Primary)
{
var gridFS = WithReadPreferencePrimary();
return(gridFS.CopyTo(sourceFileName, destFileName, createOptions));
}
var fileInfo = FindOne(sourceFileName);
if (fileInfo == null)
{
var message = string.Format("GridFS file '{0}' not found.", sourceFileName);
throw new FileNotFoundException(message);
}
return(fileInfo.CopyTo(destFileName, createOptions));
}
protected void Page_Load(object sender, EventArgs e)
{
MongoGridFS g = Config.Current.Plugins.Get<MongoReaderPlugin>().GridFS;
//Loop through each uploaded file
foreach (string fileKey in HttpContext.Current.Request.Files.Keys) {
HttpPostedFile file = HttpContext.Current.Request.Files[fileKey];
if (file.ContentLength <= 0) continue; //Skip unused file controls.
//Resize to a memory stream, max 2000x2000 jpeg
MemoryStream temp = new MemoryStream(4096);
new ImageJob(file.InputStream,temp,new ResizeSettings("width=2000;height=2000;mode=max;format=jpg")).Build();
//Reset the stream
temp.Seek(0, SeekOrigin.Begin);
MongoGridFSCreateOptions opts = new MongoGridFSCreateOptions();
opts.ContentType = file.ContentType;
MongoGridFSFileInfo fi = g.Upload(temp, Path.GetFileName(file.FileName), opts);
lit.Text += "<img src=\"" + ResolveUrl("~/gridfs/id/") + fi.Id + ".jpg?width=100&height=100\" />";
}
}
/// <summary>
/// Opens a GridFS file with the specified mode, access and create options.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="mode">The mode.</param>
/// <param name="access">The access.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream Open(
string remoteFileName,
FileMode mode,
FileAccess access,
MongoGridFSCreateOptions createOptions)
{
using (_server.RequestStart(null, DetermineReadPreference(mode, access)))
{
var serverInstance = _server.RequestConnection.ServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return fileInfo.Open(mode, access);
}
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(
Stream stream,
string remoteFileName
) {
var options = new MongoGridFSCreateOptions {
ChunkSize = settings.ChunkSize,
Id = BsonObjectId.GenerateNewId(),
UploadDate = DateTime.UtcNow
};
return Upload(stream, remoteFileName, options);
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(
Stream stream,
string remoteFileName,
MongoGridFSCreateOptions createOptions
) {
using (database.RequestStart(false)) { // not slaveOk
EnsureIndexes();
var files_id = createOptions.Id ?? BsonObjectId.GenerateNewId();
var chunkSize = createOptions.ChunkSize == 0 ? settings.ChunkSize : createOptions.ChunkSize;
var buffer = new byte[chunkSize];
var length = 0;
string md5Client;
using (var md5Algorithm = MD5.Create()) {
for (int n = 0; true; n++) {
// might have to call Stream.Read several times to get a whole chunk
var bytesNeeded = chunkSize;
var bytesRead = 0;
while (bytesNeeded > 0) {
var partialRead = stream.Read(buffer, bytesRead, bytesNeeded);
if (partialRead == 0) {
break; // EOF may or may not have a partial chunk
}
bytesNeeded -= partialRead;
bytesRead += partialRead;
}
if (bytesRead == 0) {
break; // EOF no partial chunk
}
length += bytesRead;
byte[] data = buffer;
if (bytesRead < chunkSize) {
data = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, data, 0, bytesRead);
}
var chunk = new BsonDocument {
{ "_id", BsonObjectId.GenerateNewId() },
{ "files_id", files_id },
{ "n", n },
{ "data", new BsonBinaryData(data) }
};
chunks.Insert(chunk, settings.SafeMode);
md5Algorithm.TransformBlock(data, 0, data.Length, null, 0);
if (bytesRead < chunkSize) {
break; // EOF after partial chunk
}
}
md5Algorithm.TransformFinalBlock(new byte[0], 0, 0);
md5Client = BsonUtils.ToHexString(md5Algorithm.Hash);
}
var md5Command = new CommandDocument {
{ "filemd5", files_id },
{ "root", settings.Root }
};
var md5Result = database.RunCommand(md5Command);
var md5Server = md5Result.Response["md5"].AsString;
if (!md5Client.Equals(md5Server, StringComparison.OrdinalIgnoreCase)) {
throw new MongoGridFSException("Upload client and server MD5 hashes are not equal.");
}
var uploadDate = createOptions.UploadDate == DateTime.MinValue ? DateTime.UtcNow : createOptions.UploadDate;
BsonDocument fileInfo = new BsonDocument {
{ "_id", files_id },
{ "filename", remoteFileName },
{ "length", length },
{ "chunkSize", chunkSize },
{ "uploadDate", uploadDate },
{ "md5", md5Server },
{ "contentType", createOptions.ContentType }, // optional
{ "aliases", BsonArray.Create(createOptions.Aliases) }, // optional
{ "metadata", createOptions.Metadata } // optional
};
files.Insert(fileInfo, settings.SafeMode);
return FindOneById(files_id);
}
}
/// <summary>
/// Opens a GridFS file with the specified mode, access and create options.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="mode">The mode.</param>
/// <param name="access">The access.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream Open(
string remoteFileName,
FileMode mode,
FileAccess access,
MongoGridFSCreateOptions createOptions
) {
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName, createOptions);
return fileInfo.Open(mode, access);
}
/// <summary>
/// Opens an existing GridFS file for writing.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenWrite(
string remoteFileName,
MongoGridFSCreateOptions createOptions
) {
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName, createOptions);
return fileInfo.OpenWrite();
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="sourceFileName">The source file name.</param>
/// <param name="destFileName">The destination file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(
string sourceFileName,
string destFileName,
MongoGridFSCreateOptions createOptions
) {
var fileInfo = FindOne(sourceFileName);
if (fileInfo == null) {
var message = string.Format("GridFS file '{0}' not found.", sourceFileName);
throw new FileNotFoundException(message);
}
return fileInfo.CopyTo(destFileName, createOptions);
}
/// <summary>
/// Creates or opens a GridFS file for writing UTF-8 encoded text.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream writer.</returns>
public StreamWriter CreateText(
string remoteFileName,
MongoGridFSCreateOptions createOptions
) {
var fileInfo = new MongoGridFSFileInfo(this, remoteFileName, createOptions);
return fileInfo.CreateText();
}
/// <summary>
/// Opens an existing GridFS file for writing.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream.</returns>
public MongoGridFSStream OpenWrite(string remoteFileName, MongoGridFSCreateOptions createOptions)
{
using (_server.RequestStart(null, ReadPreference.Primary))
{
var serverInstance = _server.RequestConnection.ServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return fileInfo.OpenWrite();
}
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(
Stream stream,
string remoteFileName,
MongoGridFSCreateOptions createOptions)
{
using (_server.RequestStart(null, ReadPreference.Primary))
{
EnsureIndexes();
var database = GetDatabase(ReadPreference.Primary);
var chunksCollection = GetChunksCollection(database);
var filesCollection = GetFilesCollection(database);
var files_id = createOptions.Id ?? ObjectId.GenerateNewId();
var chunkSize = (createOptions.ChunkSize == 0) ? _settings.ChunkSize : createOptions.ChunkSize;
var buffer = new byte[chunkSize];
var length = 0L;
string md5Client = null;
using (var md5Algorithm = _settings.VerifyMD5 ? MD5.Create() : null)
{
for (var n = 0L; true; n++)
{
// might have to call Stream.Read several times to get a whole chunk
var bytesNeeded = chunkSize;
var bytesRead = 0;
while (bytesNeeded > 0)
{
var partialRead = stream.Read(buffer, bytesRead, bytesNeeded);
if (partialRead == 0)
{
break; // EOF may or may not have a partial chunk
}
bytesNeeded -= partialRead;
bytesRead += partialRead;
}
if (bytesRead == 0)
{
break; // EOF no partial chunk
}
length += bytesRead;
byte[] data = buffer;
if (bytesRead < chunkSize)
{
data = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, data, 0, bytesRead);
}
var chunk = new BsonDocument
{
{ "_id", ObjectId.GenerateNewId() },
{ "files_id", files_id },
{ "n", (n < int.MaxValue) ? (BsonValue)new BsonInt32((int)n) : new BsonInt64(n) },
{ "data", new BsonBinaryData(data) }
};
chunksCollection.Insert(chunk, _settings.WriteConcern);
if (_settings.VerifyMD5)
{
md5Algorithm.TransformBlock(data, 0, data.Length, null, 0);
}
if (bytesRead < chunkSize)
{
break; // EOF after partial chunk
}
}
if (_settings.VerifyMD5)
{
md5Algorithm.TransformFinalBlock(new byte[0], 0, 0);
md5Client = BsonUtils.ToHexString(md5Algorithm.Hash);
}
}
string md5Server = null;
if (_settings.UpdateMD5 || _settings.VerifyMD5)
{
var md5Command = new CommandDocument
{
{ "filemd5", files_id },
{ "root", _settings.Root }
};
var md5Result = database.RunCommand(md5Command);
md5Server = md5Result.Response["md5"].AsString;
}
if ( _settings.VerifyMD5 && !md5Client.Equals(md5Server, StringComparison.OrdinalIgnoreCase))
{
throw new MongoGridFSException("Upload client and server MD5 hashes are not equal.");
}
var uploadDate = (createOptions.UploadDate == DateTime.MinValue) ? DateTime.UtcNow : createOptions.UploadDate;
var aliases = (createOptions.Aliases != null) ? new BsonArray(createOptions.Aliases) : null;
BsonDocument fileInfo = new BsonDocument
{
{ "_id", files_id },
{ "filename", remoteFileName, !string.IsNullOrEmpty(remoteFileName) }, // optional
{ "length", length },
{ "chunkSize", chunkSize },
{ "uploadDate", uploadDate },
{ "md5", (md5Server == null) ? (BsonValue)BsonNull.Value : new BsonString(md5Server) },
{ "contentType", createOptions.ContentType, !string.IsNullOrEmpty(createOptions.ContentType) }, // optional
{ "aliases", aliases, aliases != null }, // optional
{ "metadata", createOptions.Metadata, createOptions.Metadata != null } // optional
};
filesCollection.Insert(fileInfo, _settings.WriteConcern);
return FindOneById(files_id);
}
}
public void TestOpenCreateWithMetadata()
{
_gridFS.Files.RemoveAll();
_gridFS.Chunks.RemoveAll();
_gridFS.Chunks.ResetIndexCache();
var metadata = new BsonDocument("author", "John Doe");
var createOptions = new MongoGridFSCreateOptions
{
Metadata = metadata
};
using (var stream = _gridFS.Create("test", createOptions))
{
var bytes = new byte[] { 1, 2, 3, 4 };
stream.Write(bytes, 0, 4);
}
var fileInfo = _gridFS.FindOne("test");
Assert.AreEqual(metadata, fileInfo.Metadata);
}
public MongoGridFSFileInfo(MongoGridFS gridFS, string remoteFileName, MongoGridFSCreateOptions createOptions)
: this(GetServer(gridFS), GetServerInstance(gridFS), GetDatabaseName(gridFS), GetGridFSSettings(gridFS), remoteFileName, createOptions)
{
}
public void TestUpload()
{
_gridFS.Delete(Query.Null);
Assert.AreEqual(0, _gridFS.Chunks.Count());
Assert.AreEqual(0, _gridFS.Files.Count());
var contents = "Hello World";
var bytes = Encoding.UTF8.GetBytes(contents);
var uploadStream = new MemoryStream(bytes);
var createOptions = new MongoGridFSCreateOptions
{
Aliases = new[] { "HelloWorld", "HelloUniverse" },
ChunkSize = _gridFS.Settings.ChunkSize,
ContentType = "text/plain",
Id = ObjectId.GenerateNewId(),
Metadata = new BsonDocument { { "a", 1 }, { "b", 2 } },
UploadDate = DateTime.UtcNow
};
var fileInfo = _gridFS.Upload(uploadStream, "HelloWorld.txt", createOptions);
Assert.AreEqual(1, _gridFS.Chunks.Count());
Assert.AreEqual(1, _gridFS.Files.Count());
Assert.IsTrue(createOptions.Aliases.SequenceEqual(fileInfo.Aliases));
Assert.AreEqual(createOptions.ChunkSize, fileInfo.ChunkSize);
Assert.AreEqual(createOptions.ContentType, fileInfo.ContentType);
Assert.AreEqual(createOptions.Id, fileInfo.Id);
Assert.AreEqual(11, fileInfo.Length);
Assert.IsTrue(!string.IsNullOrEmpty(fileInfo.MD5));
Assert.AreEqual(createOptions.Metadata, fileInfo.Metadata);
Assert.AreEqual("HelloWorld.txt", fileInfo.Name);
Assert.AreEqual(createOptions.UploadDate.AddTicks(-(createOptions.UploadDate.Ticks % 10000)), fileInfo.UploadDate);
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(
Stream stream,
string remoteFileName,
MongoGridFSCreateOptions createOptions
)
{
using (database.RequestStart()) {
EnsureIndexes();
var files_id = createOptions.Id ?? BsonObjectId.GenerateNewId();
var chunkSize = createOptions.ChunkSize == 0 ? settings.ChunkSize : createOptions.ChunkSize;
var buffer = new byte[chunkSize];
var length = 0;
string md5Client;
using (var md5Algorithm = MD5.Create()) {
for (int n = 0; true; n++)
{
// might have to call Stream.Read several times to get a whole chunk
var bytesNeeded = chunkSize;
var bytesRead = 0;
while (bytesNeeded > 0)
{
var partialRead = stream.Read(buffer, bytesRead, bytesNeeded);
if (partialRead == 0)
{
break; // EOF may or may not have a partial chunk
}
bytesNeeded -= partialRead;
bytesRead += partialRead;
}
if (bytesRead == 0)
{
break; // EOF no partial chunk
}
length += bytesRead;
byte[] data = buffer;
if (bytesRead < chunkSize)
{
data = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, data, 0, bytesRead);
}
var chunk = new BsonDocument {
{ "_id", BsonObjectId.GenerateNewId() },
{ "files_id", files_id },
{ "n", n },
{ "data", new BsonBinaryData(data) }
};
chunks.Insert(chunk, settings.SafeMode);
md5Algorithm.TransformBlock(data, 0, data.Length, null, 0);
if (bytesRead < chunkSize)
{
break; // EOF after partial chunk
}
}
md5Algorithm.TransformFinalBlock(new byte[0], 0, 0);
md5Client = BsonUtils.ToHexString(md5Algorithm.Hash);
}
var md5Command = new CommandDocument {
{ "filemd5", files_id },
{ "root", settings.Root }
};
var md5Result = database.RunCommand(md5Command);
var md5Server = md5Result.Response["md5"].AsString;
if (!md5Client.Equals(md5Server, StringComparison.OrdinalIgnoreCase))
{
throw new MongoGridFSException("Upload client and server MD5 hashes are not equal.");
}
var uploadDate = createOptions.UploadDate == DateTime.MinValue ? DateTime.UtcNow : createOptions.UploadDate;
BsonDocument fileInfo = new BsonDocument {
{ "_id", files_id },
{ "filename", remoteFileName },
{ "length", length },
{ "chunkSize", chunkSize },
{ "uploadDate", uploadDate },
{ "md5", md5Server },
{ "contentType", createOptions.ContentType }, // optional
{ "aliases", BsonArray.Create((IEnumerable <string>)createOptions.Aliases) }, // optional
{ "metadata", createOptions.Metadata } // optional
};
files.Insert(fileInfo, settings.SafeMode);
return(FindOneById(files_id));
}
}
public void TestOpenCreateWithId()
{
_gridFS.Files.RemoveAll();
_gridFS.Chunks.RemoveAll();
_gridFS.Chunks.ResetIndexCache();
var createOptions = new MongoGridFSCreateOptions
{
Id = 1
};
using (var stream = _gridFS.Create("test", createOptions))
{
var bytes = new byte[] { 1, 2, 3, 4 };
stream.Write(bytes, 0, 4);
}
var fileInfo = _gridFS.FindOne("test");
Assert.AreEqual(BsonInt32.Create(1), fileInfo.Id);
}
/// <summary>
/// Copies a GridFS file.
/// </summary>
/// <param name="sourceFileName">The source file name.</param>
/// <param name="destFileName">The destination file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo CopyTo(
string sourceFileName,
string destFileName,
MongoGridFSCreateOptions createOptions)
{
if (_settings.ReadPreference != ReadPreference.Primary)
{
var gridFS = GetPrimaryGridFSSettings();
return gridFS.CopyTo(sourceFileName, destFileName, createOptions);
}
var fileInfo = FindOne(sourceFileName);
if (fileInfo == null)
{
var message = string.Format("GridFS file '{0}' not found.", sourceFileName);
throw new FileNotFoundException(message);
}
return fileInfo.CopyTo(destFileName, createOptions);
}
/// <summary>
/// Creates or opens a GridFS file for writing UTF-8 encoded text.
/// </summary>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>A stream writer.</returns>
public StreamWriter CreateText(string remoteFileName, MongoGridFSCreateOptions createOptions)
{
if (_settings.ReadPreference != ReadPreference.Primary)
{
var gridFS = GetPrimaryGridFSSettings();
return gridFS.CreateText(remoteFileName, createOptions);
}
using (_server.RequestStart(null, ReadPreference.Primary))
{
var serverInstance = _server.RequestConnection.ServerInstance;
var fileInfo = new MongoGridFSFileInfo(_server, serverInstance, _databaseName, _settings, remoteFileName, createOptions);
return fileInfo.CreateText();
}
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(
Stream stream,
string remoteFileName,
MongoGridFSCreateOptions createOptions)
{
if (_settings.ReadPreference != ReadPreference.Primary)
{
var gridFS = WithReadPreferencePrimary();
return(gridFS.Upload(stream, remoteFileName, createOptions));
}
using (_server.RequestStart(ReadPreference.Primary))
{
var connectionId = _server.RequestConnectionId;
EnsureIndexes();
var database = GetDatabase(ReadPreference.Primary);
var chunksCollection = GetChunksCollection(database);
var filesCollection = GetFilesCollection(database);
var files_id = createOptions.Id ?? ObjectId.GenerateNewId();
var chunkSize = (createOptions.ChunkSize == 0) ? _settings.ChunkSize : createOptions.ChunkSize;
var buffer = new byte[chunkSize];
var length = 0L;
string md5Client = null;
using (var md5Algorithm = _settings.VerifyMD5 ? IncrementalHash.CreateHash(HashAlgorithmName.MD5) : null)
{
for (var n = 0L; true; n++)
{
// might have to call Stream.Read several times to get a whole chunk
var bytesNeeded = chunkSize;
var bytesRead = 0;
while (bytesNeeded > 0)
{
var partialRead = stream.Read(buffer, bytesRead, bytesNeeded);
if (partialRead == 0)
{
break; // EOF may or may not have a partial chunk
}
bytesNeeded -= partialRead;
bytesRead += partialRead;
}
if (bytesRead == 0)
{
break; // EOF no partial chunk
}
length += bytesRead;
byte[] data = buffer;
if (bytesRead < chunkSize)
{
data = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, data, 0, bytesRead);
}
var chunk = new BsonDocument
{
{ "_id", ObjectId.GenerateNewId() },
{ "files_id", files_id },
{ "n", n < int.MaxValue ? (BsonValue)(BsonInt32)(int)n : (BsonInt64)n },
{ "data", new BsonBinaryData(data) }
};
chunksCollection.Insert(chunk, _settings.WriteConcern);
if (_settings.VerifyMD5)
{
md5Algorithm.AppendData(data, 0, data.Length);
}
if (bytesRead < chunkSize)
{
break; // EOF after partial chunk
}
}
if (_settings.VerifyMD5)
{
md5Client = BsonUtils.ToHexString(md5Algorithm.GetHashAndReset());
}
}
string md5Server = null;
if (_settings.UpdateMD5 || _settings.VerifyMD5)
{
var md5Command = new CommandDocument
{
{ "filemd5", files_id },
{ "root", _settings.Root }
};
var md5Result = database.RunCommand(md5Command);
md5Server = md5Result.Response["md5"].AsString;
}
if (_settings.VerifyMD5 && !md5Client.Equals(md5Server, StringComparison.OrdinalIgnoreCase))
{
throw new MongoGridFSException(connectionId, "Upload client and server MD5 hashes are not equal.");
}
var uploadDate = (createOptions.UploadDate == DateTime.MinValue) ? DateTime.UtcNow : createOptions.UploadDate;
var aliases = (createOptions.Aliases != null) ? new BsonArray(createOptions.Aliases) : null;
BsonDocument fileInfo = new BsonDocument
{
{ "_id", files_id },
{ "filename", remoteFileName, !string.IsNullOrEmpty(remoteFileName) }, // optional
{ "length", length },
{ "chunkSize", chunkSize },
{ "uploadDate", uploadDate },
{ "md5", (md5Server == null) ? (BsonValue)BsonNull.Value : new BsonString(md5Server) },
{ "contentType", createOptions.ContentType, !string.IsNullOrEmpty(createOptions.ContentType) }, // optional
{ "aliases", aliases, aliases != null }, // optional
{ "metadata", createOptions.Metadata, createOptions.Metadata != null } // optional
};
filesCollection.Insert(fileInfo, _settings.WriteConcern);
return(FindOneById(files_id));
}
}
/// <summary>
/// Uploads a GridFS file.
/// </summary>
/// <param name="stream">The source stream.</param>
/// <param name="remoteFileName">The remote file name.</param>
/// <param name="createOptions">The create options.</param>
/// <returns>The file info of the new GridFS file.</returns>
public MongoGridFSFileInfo Upload(
Stream stream,
string remoteFileName,
MongoGridFSCreateOptions createOptions
)
{
using (database.RequestStart()) {
EnsureIndexes();
var files_id = createOptions.Id ?? BsonObjectId.GenerateNewId();
var chunkSize = createOptions.ChunkSize == 0 ? settings.ChunkSize : createOptions.ChunkSize;
var buffer = new byte[chunkSize];
var length = 0;
for (int n = 0; true; n++)
{
int bytesRead = stream.Read(buffer, 0, chunkSize);
if (bytesRead == 0)
{
break;
}
length += bytesRead;
byte[] data = buffer;
if (bytesRead < chunkSize)
{
data = new byte[bytesRead];
Buffer.BlockCopy(buffer, 0, data, 0, bytesRead);
}
var chunk = new BsonDocument {
{ "_id", BsonObjectId.GenerateNewId() },
{ "files_id", files_id },
{ "n", n },
{ "data", new BsonBinaryData(data) }
};
chunks.Insert(chunk, settings.SafeMode);
if (bytesRead < chunkSize)
{
break;
}
}
var md5Command = new CommandDocument {
{ "filemd5", files_id },
{ "root", settings.Root }
};
var md5Result = database.RunCommand(md5Command);
var md5 = md5Result.Response["md5"].AsString;
var uploadDate = createOptions.UploadDate == DateTime.MinValue ? DateTime.UtcNow : createOptions.UploadDate;
BsonDocument fileInfo = new BsonDocument {
{ "_id", files_id },
{ "filename", remoteFileName },
{ "length", length },
{ "chunkSize", chunkSize },
{ "uploadDate", uploadDate },
{ "md5", md5 },
{ "contentType", createOptions.ContentType }, // optional
{ "aliases", BsonArray.Create((IEnumerable <string>)createOptions.Aliases) }, // optional
{ "metadata", createOptions.Metadata } // optional
};
files.Insert(fileInfo, settings.SafeMode);
return(FindOneById(files_id));
}
}
