protected override int CalculateBodySize(BsonWriter writer)
{
int size = 8; //first int32, second int32
size += writer.CalculateSize(this.FullCollectionName, false);
size += writer.CalculateSize(selector);
return(size);
}
protected override int CalculateBodySize(BsonWriter writer)
{
int size = 4; //first int32
size += writer.CalculateSize(this.FullCollectionName, false);
size += 4; //flags
size += writer.CalculateSize(this.Selector);
size += writer.CalculateSize(this.Document);
return(size);
}
protected override int CalculateBodySize(BsonWriter writer)
{
int size = 4; //first int32
size += writer.CalculateSize(this.FullCollectionName, false);
foreach (Document doc in this.Documents)
{
size += writer.CalculateSize(doc);
}
return(size);
}
protected override int CalculateBodySize(BsonWriter writer)
{
int size = 12; //options, numbertoskip, numbertoreturn
size += writer.CalculateSize(this.FullCollectionName, false);
size += writer.CalculateSize(this.Query);
if (this.ReturnFieldSelector != null)
{
size += writer.CalculateSize(this.ReturnFieldSelector);
}
return(size);
}
/// <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);
}
/// <summary>
/// The base size that all chunks will have.
/// </summary>
protected int CalculateBaseSize(BsonWriter writer)
{
var size = 4; //first int32
size += writer.CalculateSize(FullCollectionName, false);
size += Header.MessageLength;
return(size);
}
/// <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 += 12; //number to return + cursorid
return(size);
}
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());
}
protected override int CalculateBodySize(BsonWriter writer)
{
return(writer.CalculateSize(this.Message, false));
}
