/// <summary>
/// Writes the body.
/// </summary>
/// <param name="writer">The writer.</param>
protected override void WriteBody(BsonWriter writer){
writer.WriteValue(BsonType.Integer, 0);
writer.WriteValue(BsonType.Integer, CursorIds.Length);
foreach(var id in CursorIds)
writer.WriteValue(BsonType.Long, id);
}
/// <summary>
/// Writes the body.
/// </summary>
/// <param name="writer">The writer.</param>
protected override void WriteBody(BsonWriter writer){
writer.WriteValue(BsonType.Integer, 0);
writer.Write(FullCollectionName, false);
writer.WriteValue(BsonType.Integer, Flags);
writer.WriteObject(Selector);
writer.WriteObject(Document);
}
public void TestReadBigDocument()
{
MemoryStream ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
Document expected = new Document();
expected.Append("str", "test")
.Append("int", 45)
.Append("long", (long)46)
.Append("num", 4.5)
.Append("date",DateTime.Today)
.Append("_id", new OidGenerator().Generate())
.Append("code", new Code("return 1;"))
.Append("subdoc", new Document().Append("a",1).Append("b",2))
.Append("array", new String[]{"a","b","c","d"})
.Append("codewscope", new CodeWScope("return 2;", new Document().Append("c",1)))
.Append("binary", new Binary(new byte[]{0,1,2,3}))
.Append("regex", new MongoRegex("[A-Z]"))
.Append("minkey", MongoMinKey.Value)
.Append("maxkey", MongoMaxKey.Value)
.Append("symbol", new MongoSymbol("symbol"))
;
writer.WriteObject(expected);
writer.Flush();
ms.Seek(0,SeekOrigin.Begin);
BsonReader reader = new BsonReader(ms, new BsonDocumentBuilder());
Document doc = reader.Read();
Assert.IsNotNull(doc);
}
private string WriteStringAndGetHex(string val)
{
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
writer.Write(val, false);
return BitConverter.ToString(ms.ToArray());
}
public void TestCalculateSizeOfEmptyDoc()
{
var doc = new Document();
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
Assert.AreEqual(5, writer.CalculateSizeObject(doc));
}
/// <summary>
/// Calculates the size of the body.
/// </summary>
/// <param name="writer">The writer.</param>
/// <returns></returns>
protected override int CalculateBodySize(BsonWriter writer){
var size = 4; //first int32
size += writer.CalculateSize(FullCollectionName, false);
size += 4; //flags
size += writer.CalculateSizeObject(Selector);
size += writer.CalculateSizeObject(Document);
return size;
}
/// <summary>
/// Writes the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
public void Write(Stream stream){
var bstream = new BufferedStream(stream);
var bwriter = new BsonWriter(bstream, _bsonWriterSettings);
ChunkMessage(bwriter);
foreach(var chunk in _chunks)
WriteChunk(bstream, chunk);
}
protected string Serialize(Document document, BsonWriterSettings settings)
{
using(var mem = new MemoryStream())
{
var writer = new BsonWriter(mem, settings);
writer.WriteObject(document);
writer.Flush();
return Convert.ToBase64String(mem.ToArray());
}
}
public void TestCalculateSizeOfSimpleDoc()
{
var doc = new Document {{"a", "a"}, {"b", 1}};
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
//BsonDocument bdoc = BsonConvert.From(doc);
Assert.AreEqual(21, writer.CalculateSizeObject(doc));
}
private string WriteAndReadLenString(string val){
var ms = new MemoryStream();
var bs = new BsonWriter(ms, new BsonDocumentDescriptor());
var w = new BinaryWriter(ms);
var byteCount = bs.CalculateSize(val, false);
w.Write(byteCount);
bs.Write(val, false);
ms.Seek(0, SeekOrigin.Begin);
var reader = new BsonReader(ms, new BsonDocumentBuilder());
return reader.ReadLengthString();
}
public void TestCalculateSizeOfComplexDoc()
{
var doc = new Document();
doc.Add("a", "a");
doc.Add("b", 1);
var sub = new Document().Add("c_1", 1).Add("c_2", DateTime.Now);
doc.Add("c", sub);
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
Assert.AreEqual(51, writer.CalculateSizeObject(doc));
}
public void TestRoundTrip(){
var idoc = new Document{{"b", new Binary(new[]{(byte)1, (byte)2})}};
var stream = new MemoryStream();
var writer = new BsonWriter(stream, new BsonDocumentDescriptor());
writer.WriteObject(idoc);
stream.Seek(0, SeekOrigin.Begin);
var reader = new BsonReader(stream,new BsonDocumentBuilder());
var odoc = reader.Read();
Assert.AreEqual(idoc.ToString(), odoc.ToString());
}
public void TestNullsDontThrowExceptions()
{
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
var doc = new Document().Add("n", null);
try
{
writer.WriteObject(doc);
}
catch(NullReferenceException)
{
Assert.Fail("Null Reference Exception was thrown on trying to serialize a null value");
}
}
public void TestBinaryRead(){
const string hex = "28000000075f6964004b1971811d8b0f00c0000000056461746100070000000203000000e188b400";
var data = DecodeHex(hex);
var inmem = new MemoryStream(data);
var inreader = new BsonReader(inmem,new BsonDocumentBuilder());
var indoc = inreader.Read();
var outmem = new MemoryStream();
var outwriter = new BsonWriter(outmem, new BsonDocumentDescriptor());
outwriter.WriteObject(indoc);
var outdata = outmem.ToArray();
var outhex = BitConverter.ToString(outdata);
outhex = outhex.Replace("-", "");
Assert.AreEqual(hex, outhex.ToLower());
}
/// <summary>
/// Writes the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
public void Write(Stream stream){
var header = Header;
var bstream = new BufferedStream(stream);
var writer = new BinaryWriter(bstream);
var bwriter = new BsonWriter(bstream, _bsonWriterSettings);
Header.MessageLength += CalculateBodySize(bwriter);
if(Header.MessageLength > MaximumMessageSize)
throw new MongoException("Maximum message length exceeded");
writer.Write(header.MessageLength);
writer.Write(header.RequestId);
writer.Write(header.ResponseTo);
writer.Write((int)header.OpCode);
writer.Flush();
WriteBody(bwriter);
bwriter.Flush();
}
/// <summary>
/// Breaks down an insert message that may be too large into managable sizes.
/// When inserting only one document there will be only one chunk. However chances
/// are that when inserting thousands of documents at once there will be many.
/// </summary>
protected void ChunkMessage(BsonWriter writer){
var baseSize = CalculateBaseSize(writer);
var chunk = new MessageChunk{Size = baseSize, Documents = new List<object>()};
foreach(var document in Documents){
var documentSize = writer.CalculateSize(document);
if(documentSize + baseSize >= MaximumMessageSize)
throw new MongoException("Document is too big to fit in a message.");
if(documentSize + chunk.Size > MaximumMessageSize){
_chunks.Add(chunk);
chunk = new MessageChunk{Size = baseSize, Documents = new List<object>()};
}
chunk.Documents.Add(document);
chunk.Size += documentSize;
}
_chunks.Add(chunk);
}
// internal methods
internal void WriteTo(BsonWriter bsonWriter)
{
bsonWriter.WriteName(_name);
_value.WriteTo(bsonWriter);
}
public void TestWritingTooLargeDocument()
{
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
var b = new Binary(new byte[BsonInfo.MaxDocumentSize]);
var big = new Document().Add("x", b);
writer.WriteObject(big);
}
public void TestWriteSymbol()
{
var expected = "0700000073796D626F6C00";
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
MongoSymbol val = "symbol";
Assert.IsTrue(String.IsInterned(val) != null);
writer.WriteValue(BsonType.Symbol, val);
var hexdump = BitConverter.ToString(ms.ToArray()).Replace("-", "");
Assert.AreEqual(expected, hexdump);
}
public void TestWriteString()
{
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
const string expected = "54-65-73-74-73-2E-69-6E-73-65-72-74-73-00";
writer.Write("Tests.inserts", false);
var hexdump = BitConverter.ToString(ms.ToArray());
Assert.AreEqual(expected, hexdump);
}
/// <summary>
/// Calculates the size of the body.
/// </summary>
/// <param name="writer">The writer.</param>
/// <returns></returns>
protected override int CalculateBodySize(BsonWriter writer){
return writer.CalculateSize(Message, false);
}
public void TestWriteSingle()
{
var expected = "000000E0FFFFEF47";
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
var val = Single.MaxValue;
writer.WriteValue(BsonType.Number, val);
var hexdump = BitConverter.ToString(ms.ToArray());
hexdump = hexdump.Replace("-", "");
Assert.AreEqual(expected, hexdump);
}
/// <summary> /// Calculates the size of the body. /// </summary> /// <param name="writer">The writer.</param> /// <returns></returns> protected abstract int CalculateBodySize(BsonWriter writer);
/// <summary>
/// Writes the document to a BsonWriter.
/// </summary>
/// <param name="bsonWriter">The writer.</param>
public new void WriteTo(BsonWriter bsonWriter)
{
Serialize(bsonWriter, typeof(BsonDocument), null);
}
protected Document WriteAndRead(Document source){
MemoryStream ms = new MemoryStream();
BsonWriter writer = new BsonWriter(ms, new BsonDocumentDescriptor());
writer.WriteObject(source);
writer.Flush();
ms.Seek(0, SeekOrigin.Begin);
BsonReader reader = new BsonReader(ms,new BsonDocumentBuilder());
return reader.Read();
}
/// <summary>
/// Writes the body.
/// </summary>
/// <param name="writer">The writer.</param>
protected override void WriteBody(BsonWriter writer){
writer.WriteValue(BsonType.Integer, (int)Options);
writer.Write(FullCollectionName, false);
writer.WriteValue(BsonType.Integer, NumberToSkip);
writer.WriteValue(BsonType.Integer, NumberToReturn);
writer.WriteObject(Query);
if(ReturnFieldSelector != null)
writer.WriteObject(ReturnFieldSelector);
}
public void TestWriteArrayDoc()
{
const string expected = "2000000002300002000000610002310002000000620002320002000000630000";
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
var str = new[] {"a", "b", "c"};
writer.WriteValue(BsonType.Array, str);
var hexdump = BitConverter.ToString(ms.ToArray());
hexdump = hexdump.Replace("-", "");
Assert.AreEqual(expected, hexdump);
}
/// <summary>
/// Writes the body.
/// </summary>
/// <param name="writer">The writer.</param>
protected override void WriteBody(BsonWriter writer){
writer.Write(Message, false);
}
/// <summary>
/// Calculates the size of the body.
/// </summary>
/// <param name="writer">The writer.</param>
/// <returns></returns>
protected override int CalculateBodySize(BsonWriter writer){
var size = 12; //options, numbertoskip, numbertoreturn
size += writer.CalculateSize(FullCollectionName, false);
size += writer.CalculateSizeObject(Query);
if(ReturnFieldSelector != null)
size += writer.CalculateSizeObject(ReturnFieldSelector);
return size;
}
private static void DoEncode(Document doc)
{
var ms = new MemoryStream();
for(var i = 0; i < perTrial; i++)
{
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
writer.WriteObject(doc);
ms.Seek(0, SeekOrigin.Begin);
}
}
public new void WriteTo(BsonWriter bsonWriter)
{
BsonSerializer.Serialize(bsonWriter, this);
}
public void TestWriteDocument()
{
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
const string expected = "1400000002746573740005000000746573740000";
var doc = new Document().Add("test", "test");
writer.WriteObject(doc);
var hexdump = BitConverter.ToString(ms.ToArray());
hexdump = hexdump.Replace("-", "");
Assert.AreEqual(expected, hexdump);
}
private static void RunDecodeTest(string name, Document doc)
{
var ms = new MemoryStream();
var writer = new BsonWriter(ms, new BsonDocumentDescriptor());
writer.WriteObject(doc);
var buff = ms.ToArray();
var lowest = TimeSpan.MaxValue;
for(var i = 0; i < trials; i++)
{
var ret = TimeDecode(buff);
if(ret < lowest)
lowest = ret;
}
var opsSec = (int)(perTrial/lowest.TotalSeconds);
Console.Out.WriteLine(String.Format("{0}{1} {2}", name + new string('.', 55 - name.Length), opsSec, lowest));
}
public override void Serialize(BsonWriter bsonWriter, Type nominalType, IBsonSerializationOptions options)
{
BsonDocumentWrapperSerializer.Instance.Serialize(bsonWriter, nominalType, this, options);
}
