public GridChunk(Document doc)
{
this.id = (Oid)doc["_id"];
this.filesId = (Object)doc["files_id"];
this.n = Convert.ToInt32(doc["n"]);
this.data = (Binary)doc["data"];
}
public GridChunk(object filesId, int n, byte[] data)
{
// OidGenerator oidGenerator = new OidGenerator();
// this.id = oidGenerator.Generate();
this.filesId = filesId;
this.n = n;
this.data = new Binary(data);
}
public void TestSimpleBinaryStorage()
{
Binary b = new Binary();
byte[] data = new byte[2];
data[0] = (byte)1;
data[1] = (byte)2;
b.Subtype = Binary.TypeCode.General;
BsonBinary binaryIn = new BsonBinary (new Binary (data));
MemoryStream stream = new MemoryStream ();
BsonWriter bsonWriter = new BsonWriter (stream);
binaryIn.Write (bsonWriter);
string hex = BitConverter.ToString (stream.ToArray());
hex = hex.Replace ("-", "");
Assert.AreEqual("0600000002020000000102",hex);
}
public void TestInsertLargerThan4MBDocument()
{
Binary b = new Binary(new byte[1024 * 1024]);
Document big = new Document(){{"name", "Big Document"}, {"b1", b}, {"b2", b}, {"b3", b}, {"b4", b}};
IMongoCollection inserts = DB["inserts"];
bool thrown = false;
try{
inserts.Insert(big);
}catch(MongoException){
thrown = true;
}catch(Exception e){
Assert.Fail("Wrong Exception thrown " + e.GetType().Name);
}
Assert.IsTrue(thrown, "Shouldn't be able to insert large document");
}
public void TestInsertBulkLargerThan4MBOfDocuments()
{
Binary b = new Binary(new byte[1024 * 1024 * 2]);
IMongoCollection inserts = DB["inserts"];
try{
Document[] docs = new Document[10];
//6MB+ of documents
for(int x = 0; x < docs.Length; x++){
docs[x] = new Document(){{"name", "bulk"}, {"b", b}, {"x", x}};
}
inserts.Insert(docs,true);
long count = inserts.Count(new Document(){{"name", "bulk"}});
Assert.AreEqual(docs.Length, count, "Wrong number of documents inserted");
}catch(MongoException){
Assert.Fail("MongoException should not have been thrown.");
}
}
/// <summary>
/// Makes sure that at least a skelton chunk exists for all numbers. If not the MD5 calculation will fail on a sparse file.
/// </summary>
private void EnsureNoHoles()
{
int highChunk = CalcChunkNum(this.GridFileInfo.Length);
Document query = new Document().Append("files_id", this.GridFileInfo.Id)
.Append("n", new Document()
.Append("$lte",highChunk));
Document sort = new Document().Append("n",1);
Document fields = new Document().Append("_id", 1).Append("n",1);
Binary data = new Binary(this.blankBuffer);
int i = 0;
using (ICursor cur = chunks.Find(new Document().Append("query",query).Append("sort",sort),0,0,fields)){
foreach(Document doc in cur.Documents){
int n = Convert.ToInt32(doc["n"]);
if(i < n){
while(i < n){
chunks.Insert(new Document().Append("files_id", this.gridFileInfo.Id)
.Append("n", i)
.Append("data", data)
);
i++;
}
}else{
i++;
}
}
}
}
/// <summary>
/// Flushes any changes to current chunk to the database. It can be called in client code at any time or it
/// will automatically be called on Close() and when the stream position moves off the bounds of the current
/// chunk.
/// </summary>
public override void Flush()
{
if(chunkDirty == false) return;
//avoid a copy if possible.
if(highestBuffPosition == buffer.Length){
chunk["data"] = new Binary(buffer);
}else{
byte[] data = new byte[highestBuffPosition];
Array.Copy(buffer,data,highestBuffPosition);
chunk["data"] = new Binary(data);
}
if(chunk.Contains("_id")){
chunks.Update(chunk);
}else{
chunks.Insert(chunk);
}
this.gridFileInfo.Length = highestPosWritten;
}
public void TestWritingTooLargeDocument()
{
MemoryStream ms = new MemoryStream();
BsonWriter writer = new BsonWriter(ms);
Binary b = new Binary(new byte[BsonInfo.MaxDocumentSize]);
Document big = new Document().Append("x", b);
bool thrown = false;
try{
writer.Write(big);
}catch(ArgumentException){
thrown = true;
}catch(Exception e){
Assert.Fail("Wrong Exception thrown " + e.GetType().Name);
}
Assert.IsTrue(thrown, "Shouldn't be able to write large document");
}
public Object ReadElementType(sbyte typeNum)
{
switch ((BsonDataType)typeNum) {
case BsonDataType.Null:
case BsonDataType.Undefined:
return MongoDBNull.Value;
case BsonDataType.MinKey:
return MongoMinKey.Value;
case BsonDataType.MaxKey:
return MongoMaxKey.Value;
case BsonDataType.Boolean:
position++;
return reader.ReadBoolean ();
case BsonDataType.Integer:
position += 4;
return reader.ReadInt32 ();
case BsonDataType.Long:
position += 8;
return reader.ReadInt64 ();
case BsonDataType.Date:
position += 8;
long millis = reader.ReadInt64 ();
return epoch.AddMilliseconds (millis);
case BsonDataType.Oid:
position += 12;
return new Oid (reader.ReadBytes (12));
case BsonDataType.Number:
position += 8;
return reader.ReadDouble ();
case BsonDataType.String:{
return ReadLenString ();
}
case BsonDataType.Obj:{
Document doc = this.ReadDocument();
if(DBRef.IsDocumentDBRef(doc)){
return DBRef.FromDocument(doc);
}
return doc;
}
case BsonDataType.Array:{
Document doc = this.ReadDocument();
if (ElementsSameType (doc)) {
return ConvertToArray (doc);
} else {
return doc;
}
}
case BsonDataType.Regex:{
MongoRegex r = new MongoRegex ();
r.Expression = this.ReadString ();
r.Options = this.ReadString ();
return r;
}
case BsonDataType.Code:{
Code c = new Code ();
c.Value = ReadLenString();
return c;
}
case BsonDataType.CodeWScope:{
int startpos = position;
int size = reader.ReadInt32 ();
position += 4;
String val = this.ReadLenString();
Document scope = this.ReadDocument();
if (size != position - startpos) {
throw new System.IO.InvalidDataException (string.Format ("Should have read {0} bytes from stream but read {1} in CodeWScope", size, position - startpos));
}
return new CodeWScope (val, scope);
}
case BsonDataType.Binary:{
int size = reader.ReadInt32 ();
position += 4;
byte subtype = reader.ReadByte ();
position ++;
if (subtype == (byte)Binary.TypeCode.General) {
size = reader.ReadInt32 ();
position += 4;
}
byte[] bytes = reader.ReadBytes (size);
position += size;
Binary b = new Binary ();
b.Bytes = bytes;
b.Subtype = (Binary.TypeCode)subtype;
return b;
}
default:
throw new ArgumentOutOfRangeException (String.Format ("Type Number: {0} not recognized", typeNum));
}
}
public void TestToString()
{
Binary b = new Binary();
}
