public static T Deserialize <T>(Stream stream, IFormatterResolver resolver)
{
if (resolver == null)
{
resolver = DefaultResolver;
}
var formatter = resolver.GetFormatterWithVerify <T>();
#if NETSTANDARD1_4
var ms = stream as MemoryStream;
if (ms != null)
{
// optimize for MemoryStream
ArraySegment <byte> buffer;
if (ms.TryGetBuffer(out buffer))
{
int readSize;
return(formatter.Deserialize(buffer.Array, buffer.Offset, resolver, out readSize));
}
}
#endif
// no else.
{
var buffer = InternalMemoryPool.GetBuffer();
FillFromStream(stream, ref buffer);
int readSize;
return(formatter.Deserialize(buffer, 0, resolver, out readSize));
}
}
public static T Deserialize <T>(Stream stream, IFormatterResolver resolver, bool readStrict)
{
if (resolver == null)
{
resolver = defaultResolver;
}
var formatter = resolver.GetFormatterWithVerify <T>();
if (!readStrict)
{
var buffer = InternalMemoryPool.GetBuffer();
FillFromStream(stream, ref buffer);
int readSize;
return(formatter.Deserialize(buffer, 0, resolver, out readSize));
}
else
{
int _;
var bytes = MessagePackBinary.ReadMessageBlockFromStreamUnsafe(stream, false, out _);
int readSize;
return(formatter.Deserialize(bytes, 0, resolver, out readSize));
}
}
public static byte[] Serialize(Dictionary <string, object> obj)
{
var buffer = InternalMemoryPool.GetBuffer();
var len = Serialize(ref buffer, 0, obj);
// do not return MemoryPool.Buffer.
return(MessagePackBinary.FastCloneWithResize(buffer, len));
}
public static Dictionary <string, object> Deserialize <T>(Stream stream)
{
var buffer = InternalMemoryPool.GetBuffer();
FillFromStream(stream, ref buffer);
int readSize;
return(Deserialize(buffer, 0, out readSize));
}
/// <summary>
/// return buffer is from memory pool, be careful to use.
/// </summary>
internal static ArraySegment <byte> FromJsonUnsafe(TextReader reader)
{
var offset = 0;
byte[] binary = InternalMemoryPool.GetBuffer(); // from memory pool.
using (var jr = new TinyJsonReader(reader, false))
{
FromJsonCore(jr, ref binary, ref offset);
}
return(new ArraySegment <byte>(binary, 0, offset));
}
public static byte[] Decode(Stream stream, bool readStrict = false)
{
if (!readStrict)
{
var buffer = InternalMemoryPool.GetBuffer(); // use MessagePackSerializer.Pool!
var len = FillFromStream(stream, ref buffer);
return(Decode(new ArraySegment <byte>(buffer, 0, len)));
}
int blockSize;
var bytes = MessagePackBinary.ReadMessageBlockFromStreamUnsafe(stream, false, out blockSize);
return(Decode(new ArraySegment <byte>(bytes, 0, blockSize)));
}
public static T Deserialize <T>(Stream stream, IFormatterResolver resolver, bool readStrict)
{
if (!readStrict)
{
var buffer = InternalMemoryPool.GetBuffer(); // use MessagePackSerializer.Pool!
var len = FillFromStream(stream, ref buffer);
return(DeserializeCore <T>(new ArraySegment <byte>(buffer, 0, len), resolver));
}
int blockSize;
var bytes = MessagePackBinary.ReadMessageBlockFromStreamUnsafe(stream, false, out blockSize);
return(DeserializeCore <T>(new ArraySegment <byte>(bytes, 0, blockSize), resolver));
}
/// <summary>COM_STATISTICS, Get a human readable string of internal statistics.</summary>
public string Statistics()
{
using (var stream = client.GetStream())
{
var readWriteBuffer = InternalMemoryPool.GetBuffer();
var writer = PacketWriter.Create(readWriteBuffer);
ProtocolWriter.WriteStatistics(ref writer);
var reader = SyncWriteAndRead(ref writer, 0, stream);
reader.ThrowIfErrorPacket();
var result = reader.ReadString(reader.Remaining);
return(result);
}
}
/// <summary>
/// Serialize to binary with specified resolver. Get the raw memory pool byte[]. The result can not share across thread and can not hold, so use quickly.
/// </summary>
public static ArraySegment <byte> SerializeUnsafe <T>(T obj, IFormatterResolver resolver)
{
if (resolver == null)
{
resolver = DefaultResolver;
}
var formatter = resolver.GetFormatterWithVerify <T>();
var buffer = InternalMemoryPool.GetBuffer();
var len = formatter.Serialize(ref buffer, 0, obj, resolver);
// return raw memory pool, unsafe!
return(new ArraySegment <byte>(buffer, 0, len));
}
/// <summary>
/// Serialize to stream with specified resolver.
/// </summary>
public static void Serialize <T>(Stream stream, T obj, IFormatterResolver resolver)
{
if (resolver == null)
{
resolver = DefaultResolver;
}
var formatter = resolver.GetFormatterWithVerify <T>();
var buffer = InternalMemoryPool.GetBuffer();
var len = formatter.Serialize(ref buffer, 0, obj, resolver);
// do not need resize.
stream.Write(buffer, 0, len);
}
/// <summary>
/// Serialize to binary with specified resolver.
/// </summary>
public static byte[] Serialize <T>(T obj, IFormatterResolver resolver)
{
if (resolver == null)
{
resolver = DefaultResolver;
}
var formatter = resolver.GetFormatterWithVerify <T>();
var buffer = InternalMemoryPool.GetBuffer();
var len = formatter.Serialize(ref buffer, 0, obj, resolver);
// do not return MemoryPool.Buffer.
return(MessagePackBinary.FastCloneWithResize(buffer, len));
}
/// <summary>COM_PING, check if the server is alive.</summary>
public OkPacket Ping()
{
using (var stream = client.GetStream())
{
var readWriteBuffer = InternalMemoryPool.GetBuffer();
var writer = PacketWriter.Create(readWriteBuffer);
ProtocolWriter.WritePing(ref writer);
var reader = SyncWriteAndRead(ref writer, 0, stream);
var response = ProtocolReader.ReadResponsePacket(ref reader);
response.ThrowIfError();
return((OkPacket)response);
}
}
public TextResultSet Query(string query)
{
var stream = client.GetStream();
var readWriteBuffer = InternalMemoryPool.GetBuffer();
var writer = PacketWriter.Create(readWriteBuffer);
ProtocolWriter.WriteQuery(ref writer, query);
var reader = SyncWriteAndRead(ref writer, 0, stream);
// TODO: Ok or ResultSet?
var set = ProtocolReader.ReadTextResultSet(ref reader);
return(set);
}
public StatementPrepareOk Prepare(string query)
{
var stream = client.GetStream();
var readWriteBuffer = InternalMemoryPool.GetBuffer();
var writer = PacketWriter.Create(readWriteBuffer);
ProtocolWriter.WritePrepareStatement(ref writer, query);
var reader = SyncWriteAndRead(ref writer, 0, stream);
// COM_STMT_PREPARE_OK on success, ERR_Packet otherwise
if (reader.IsErrorPacket())
{
throw ErrorPacket.Parse(ref reader).ToMySqlException();
}
return(ProtocolReader.ReadStatementPrepareOk(ref reader));
}
public static T Deserialize <T>(Stream stream, IFormatterResolver resolver, bool readStrict)
{
if (resolver == null)
{
resolver = DefaultResolver;
}
var formatter = resolver.GetFormatterWithVerify <T>();
if (!readStrict)
{
#if NETSTANDARD1_4 && !NET45
var ms = stream as MemoryStream;
if (ms != null)
{
// optimize for MemoryStream
ArraySegment <byte> buffer;
if (ms.TryGetBuffer(out buffer))
{
int readSize;
return(formatter.Deserialize(buffer.Array, buffer.Offset, resolver, out readSize));
}
}
#endif
// no else.
{
var buffer = InternalMemoryPool.GetBuffer();
FillFromStream(stream, ref buffer);
int readSize;
return(formatter.Deserialize(buffer, 0, resolver, out readSize));
}
}
else
{
int _;
var bytes = MessagePackBinary.ReadMessageBlockFromStreamUnsafe(stream, false, out _);
int readSize;
return(formatter.Deserialize(bytes, 0, resolver, out readSize));
}
}
public BinaryResultSet Execute(int statementId, params object[] parameters) // how to avoid boxing?
{
var stream = client.GetStream();
var readWriteBuffer = InternalMemoryPool.GetBuffer();
var writer = PacketWriter.Create(readWriteBuffer);
ProtocolWriter.WriteExecuteStatement(ref writer, statementId, parameters);
var reader = SyncWriteAndRead(ref writer, 0, stream);
// COM_STMT_PREPARE_OK on success, ERR_Packet otherwise
if (reader.IsErrorPacket())
{
throw ErrorPacket.Parse(ref reader).ToMySqlException();
}
// TODO: Ok or ResultSet?
var set = ProtocolReader.ReadBinaryResultSet(ref reader);
return(set);
}
public TextResultSet Query(FormattableString query)
{
if (query.ArgumentCount == 0)
{
return(Query(query.Format));
}
var stream = client.GetStream();
var readWriteBuffer = InternalMemoryPool.GetBuffer();
var writer = PacketWriter.Create(readWriteBuffer);
var charBuffer = InternalMemoryPool.GetCharBuffer();
var stringCount = FastQueryParser.Parse(ref charBuffer, query);
ProtocolWriter.WriteQuery(ref writer, charBuffer, stringCount);
var reader = SyncWriteAndRead(ref writer, 0, stream);
// TODO: Ok or ResultSet?
var set = ProtocolReader.ReadTextResultSet(ref reader);
return(set);
}
