/**
* <summary>
* Tries to send packet over network.</summary>
*
* <param name="msg">Message being sent.</param>
* <exception cref="IOException">If client was closed before message was sent over network.</exception>
*/
private void sendPacket(GridClientRequest msg)
{
try {
byte[] data = marshaller.Marshal(msg);
byte[] size = U.ToBytes(40 + data.Length);
byte[] head = new byte[1 + size.Length + 40 + data.Length];
// Prepare packet.
head[0] = (byte)0x90;
Array.Copy(size, 0, head, 1, 4);
Array.Copy(GridClientUtils.ToBytes(msg.RequestId), 0, head, 5, 8);
Array.Copy(GridClientUtils.ToBytes(msg.ClientId), 0, head, 13, 16);
Array.Copy(GridClientUtils.ToBytes(msg.DestNodeId), 0, head, 29, 16);
Array.Copy(data, 0, head, 45, data.Length);
// Enqueue packet to send.
lock (stream) {
stream.Write(head, 0, head.Length);
stream.Flush();
}
lastPacketSndTime = U.Now;
}
catch (IOException e) {
// In case of IOException we should shutdown the whole client since connection is broken.
Close(false);
throw new GridClientConnectionResetException("Failed to send message over network (will try to " +
"reconnect): " + ServerAddress, e);
}
}
/**
* <summary>
* Tries to send packet over network.</summary>
*
* <param name="msg">Message being sent.</param>
* <exception cref="IOException">If client was closed before message was sent over network.</exception>
*/
private void sendPacket(GridClientRequest msg)
{
try {
MemoryStream buf = new MemoryStream(1024);
// Header.
buf.WriteByte((byte)0x90);
// Reserve place for size.
buf.WriteByte((byte)0);
buf.WriteByte((byte)0);
buf.WriteByte((byte)0);
buf.WriteByte((byte)0);
buf.Write(GridClientUtils.ToBytes(msg.RequestId), 0, 8);
buf.Write(GridClientUtils.ToBytes(msg.ClientId), 0, 16);
buf.Write(GridClientUtils.ToBytes(msg.DestNodeId), 0, 16);
marshaller.Marshal(msg, buf);
int len = (int)buf.Length;
buf.Seek(1, SeekOrigin.Begin);
buf.Write(U.ToBytes(len - 1 - 4), 0, 4);
buf.Position = len;
q.Add(buf);
}
catch (Exception e) {
// In case of Exception we should shutdown the whole client since connection is broken
// and future for this reques will never be completed.
Close(false);
throw new GridClientConnectionResetException("Failed to send message over network (will try to " +
"reconnect): " + ServerAddress, e);
}
}
/**
* <summary>
* Converts Guid to a byte array.</summary>
*
* <param name="id">Guid to convert.</param>
* <returns>Converted bytes.</returns>
*/
private static ByteString WrapGuid(Guid id)
{
return(ByteString.CopyFrom(U.ToBytes(id)));
}
/**
* <summary>
* Converts java object to a protocol-understandable format.</summary>
*
* <param name="val">Value to convert.</param>
* <returns>Wrapped protocol message object.</returns>
*/
public static ObjectWrapper WrapObject(Object val)
{
ObjectWrapper.Builder builder = ObjectWrapper.CreateBuilder();
// Primitives.
if (val == null)
{
builder
.SetType(ObjectWrapperType.NONE)
.SetBinary(ByteString.Empty);
}
else if (val is bool)
{
builder
.SetType(ObjectWrapperType.BOOL)
.SetBinary(ByteString.CopyFrom(new byte[] { (byte)((bool)val == true ? 1 : 0) }));
}
else if (val is byte)
{
builder
.SetType(ObjectWrapperType.BYTE)
.SetBinary(ByteString.CopyFrom(new byte[] { (byte)val }));
}
else if (val is short)
{
builder
.SetType(ObjectWrapperType.SHORT)
.SetBinary(ByteString.CopyFrom(U.ToBytes((short)val)));
}
else if (val is int)
{
builder
.SetType(ObjectWrapperType.INT32)
.SetBinary(ByteString.CopyFrom(U.ToBytes((int)val)));
}
else if (val is long)
{
builder
.SetType(ObjectWrapperType.INT64)
.SetBinary(ByteString.CopyFrom(U.ToBytes((long)val)));
}
else if (val is float)
{
builder
.SetType(ObjectWrapperType.FLOAT)
.SetBinary(ByteString.CopyFrom(U.ToBytes((float)val)));
}
else if (val is double)
{
builder
.SetType(ObjectWrapperType.DOUBLE)
.SetBinary(ByteString.CopyFrom(U.ToBytes((double)val)));
}
else if (val is string)
{
builder
.SetType(ObjectWrapperType.STRING)
.SetBinary(ByteString.CopyFromUtf8((string)val));
}
else if (val is Guid)
{
builder
.SetType(ObjectWrapperType.UUID)
.SetBinary(WrapGuid((Guid)val));
}
else if (val is byte[])
{
builder
.SetType(ObjectWrapperType.BYTES)
.SetBinary(ByteString.CopyFrom((byte[])val));
}
// Common objects.
else if (val is sc::IDictionary)
{
// Note! Map's check should goes BEFORE collections check due to IDictionary is inherited from ICollection.
builder
.SetType(ObjectWrapperType.MAP)
.SetBinary(WrapMap((sc::IDictionary)val).ToByteString());
}
else if (val is sc::ICollection)
{
builder
.SetType(ObjectWrapperType.COLLECTION)
.SetBinary(WrapCollection((sc::ICollection)val).ToByteString());
}
// Requests.
else if (val is GridClientAuthenticationRequest)
{
builder
.SetType(ObjectWrapperType.AUTH_REQUEST)
.SetBinary(WrapAuthRequest((GridClientAuthenticationRequest)val).ToByteString());
}
else if (val is GridClientCacheRequest)
{
builder
.SetType(ObjectWrapperType.CACHE_REQUEST)
.SetBinary(WrapCacheRequest((GridClientCacheRequest)val).ToByteString());
}
else if (val is GridClientTaskRequest)
{
builder
.SetType(ObjectWrapperType.TASK_REQUEST)
.SetBinary(WrapTaskRequest((GridClientTaskRequest)val).ToByteString());
}
else if (val is GridClientLogRequest)
{
builder
.SetType(ObjectWrapperType.LOG_REQUEST)
.SetBinary(WrapLogRequest((GridClientLogRequest)val).ToByteString());
}
else if (val is GridClientTopologyRequest)
{
builder
.SetType(ObjectWrapperType.TOPOLOGY_REQUEST)
.SetBinary(WrapTopologyRequest((GridClientTopologyRequest)val).ToByteString());
}
// Responses.
else if (val is GridClientResponse)
{
builder
.SetType(ObjectWrapperType.RESPONSE)
.SetBinary(WrapResultBean((GridClientResponse)val).ToByteString());
}
else if (val is GridClientNodeBean)
{
builder
.SetType(ObjectWrapperType.NODE_BEAN)
.SetBinary(WrapNode((GridClientNodeBean)val).ToByteString());
}
else if (val is GridClientTaskResultBean)
{
builder
.SetType(ObjectWrapperType.TASK_BEAN)
.SetBinary(WrapTaskResult((GridClientTaskResultBean)val).ToByteString());
}
// To-string conversion for special cases.
else if (val is Enum)
{
builder
.SetType(ObjectWrapperType.STRING)
.SetBinary(ByteString.CopyFromUtf8(Enum.GetName(val.GetType(), val)));
}
else if (val is System.Net.IPAddress)
{
builder
.SetType(ObjectWrapperType.STRING)
.SetBinary(ByteString.CopyFromUtf8(val.ToString()));
}
// In all other cases.
else
{
throw new ArgumentException("Failed to serialize object (object serialization" +
" of given type is not supported): " + val.GetType());
}
return(builder.Build());
}