//2021.01.19 cwj
protected internal BasicStringVector(DATA_FORM df, ExtendedDataInput @in, bool symbol, bool blob) : base(df)
{
isBlob = blob;
isSymbol = symbol;
int rows = @in.readInt();
int columns = @in.readInt();
int size = rows * columns;
values = new List <string>(size);
values.AddRange(new string[size]);
if (!blob)
{
for (int i = 0; i < size; ++i)
{
values[i] = @in.readString();
}
}
else
{
for (int i = 0; i < size; ++i)
{
values[i] = @in.readBlob();
}
}
}
public BasicChunkMeta(ExtendedDataInput @in)
{
@in.readShort(); //skip the length of the data
path = @in.readString();
id = new sbyte[16];
@in.readFully(id);
version = @in.readInt();
size_Renamed = @in.readInt();
flag = @in.readByte();
sites = new List <>();
int copyCount = @in.readByte();
for (int i = 0; i < copyCount; ++i)
{
sites.Add(@in.readString());
}
}
public BasicSystemEntity(ExtendedDataInput @in, DATA_TYPE type) : base("")
{
this.type = type;
if (type == DATA_TYPE.DT_FUNCTIONDEF)
{
@in.readByte();
}
base.setValue(@in.readString());
}
public SymbolBase(int id, ExtendedDataInput @in)
{
this.id = id;
int size = @in.readInt();
for (int i = 0; i < size; ++i)
{
syms.Add(@in.readString());
}
}
protected internal override void readMatrixFromInputStream(int rows, int columns, ExtendedDataInput @in)
{
int size = rows * columns;
values = new string[size];
for (int i = 0; i < size; ++i)
{
values[i] = @in.readString();
}
}
//2021.01.19 cwj
public BasicString(ExtendedDataInput @in, bool blob)
{
if (blob)
{
value = @in.readBlob();
}
else
{
value = @in.readString();
}
}
protected internal BasicStringVector(DATA_FORM df, ExtendedDataInput @in) : base(df)
{
int rows = @in.readInt();
int columns = @in.readInt();
int size = rows * columns;
values = new string[size];
for (int i = 0; i < size; ++i)
{
values[i] = @in.readString();
}
}
public BasicTable(ExtendedDataInput @in)
{
int rows = @in.readInt();
int cols = @in.readInt();
_tableName = @in.readString();
//read column names
for (int i = 0; i < cols; ++i)
{
string name = @in.readString();
name2index_[name] = name2index_.Count;
names_.Add(name);
}
BasicEntityFactory factory = new BasicEntityFactory();
//read columns
for (int i = 0; i < cols; ++i)
{
short flag = @in.readShort();
int form = flag >> 8;
int type = flag & 0xff;
DATA_FORM df = (DATA_FORM)form;
DATA_TYPE dt = (DATA_TYPE)type;
if (df != DATA_FORM.DF_VECTOR)
{
throw new IOException("Invalid form for column [" + names_[i] + "] for table " + _tableName);
}
Console.WriteLine("vector create " + i + ":" + DateTime.Now);
IVector vector = (IVector)factory.createEntity(df, dt, @in);
Console.WriteLine("vector end create " + i + ":" + DateTime.Now);
if (vector.rows() != rows && vector.rows() != 1)
{
throw new IOException("The number of rows for column " + names_[i] + " is not consistent with other columns");
}
columns_.Add(vector);
}
}
public BasicString(ExtendedDataInput @in)
{
value = @in.readString();
}
public virtual IEntity run(string script, ProgressListener listener)
{
lock (threadLock)
{
bool reconnect = false;
if (socket == null || !socket.Connected)
{
if (sessionID.Length == 0)
{
throw new IOException("Database connection is not established yet.");
}
else
{
socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.Connect(hostName, port);
@out = new LittleEndianDataOutputStream(new BufferedStream(new NetworkStream(socket)));
}
}
string body = "script\n" + script;
ExtendedDataInput @in = null;
string header = null;
try
{
@out.writeBytes((listener != null ? "API2 " : "API ") + sessionID + " ");
@out.writeBytes(AbstractExtendedDataOutputStream.getUTFlength(body, 0, 0).ToString());
@out.writeByte('\n');
@out.writeBytes(body);
@out.flush();
@in = remoteLittleEndian ? (ExtendedDataInput) new LittleEndianDataInputStream(new BufferedStream(new NetworkStream(socket))) : (ExtendedDataInput) new BigEndianDataInputStream(new BufferedStream(new NetworkStream(socket)));
header = @in.readLine();
}
catch (IOException ex)
{
if (reconnect)
{
socket = null;
throw ex;
}
try
{
tryReconnect();
@out.writeBytes((listener != null ? "API2 " : "API ") + sessionID + " ");
@out.writeBytes(AbstractExtendedDataOutputStream.getUTFlength(body, 0, 0).ToString());
@out.writeByte('\n');
@out.writeBytes(body);
@out.flush();
@in = remoteLittleEndian ? (ExtendedDataInput) new LittleEndianDataInputStream(new BufferedStream(new NetworkStream(socket))) : (ExtendedDataInput) new BigEndianDataInputStream(new BufferedStream(new NetworkStream(socket)));
header = @in.readLine();
reconnect = true;
}
catch (Exception e)
{
socket = null;
throw e;
}
}
string msg;
while (header.Equals("MSG"))
{
//read intermediate message to indicate the progress
msg = @in.readString();
if (listener != null)
{
listener.progress(msg);
}
header = @in.readLine();
}
string[] headers = header.Split(' ');
if (headers.Length != 3)
{
socket = null;
throw new IOException("Received invalid header: " + header);
}
if (reconnect)
{
sessionID = headers[0];
if (this.userId.Length > 0 && this.password.Length > 0)
{
login();
}
if (this.initialScript != "")
{
run(initialScript);
}
}
int numObject = int.Parse(headers[1]);
msg = @in.readLine();
if (!msg.Equals("OK"))
{
throw new IOException(msg);
}
if (numObject == 0)
{
return(new data.Void());
}
try
{
short flag = @in.readShort();
int form = flag >> 8;
int type = flag & 0xff;
if (form < 0 || form > MAX_FORM_VALUE)
{
throw new IOException("Invalid form value: " + form);
}
if (type < 0 || type > MAX_TYPE_VALUE)
{
throw new IOException("Invalid type value: " + type);
}
DATA_FORM df = (DATA_FORM)Enum.GetValues(typeof(DATA_FORM)).GetValue(form);
DATA_TYPE dt = (DATA_TYPE)Enum.GetValues(typeof(DATA_TYPE)).GetValue(type);
return(factory.createEntity(df, dt, @in));
}
catch (IOException ex)
{
socket = null;
throw ex;
}
}
}
public BasicTable(ExtendedDataInput @in)
{
int rows = @in.readInt();
int cols = @in.readInt();
_tableName = @in.readString();
//read column names
for (int i = 0; i < cols; ++i)
{
string name = @in.readString();
name2index_[name] = name2index_.Count;
names_.Add(name);
}
BasicEntityFactory factory = new BasicEntityFactory();
VectorDecompressor decompressor = null;
SymbolBaseCollection collection = null;
//read columns
for (int i = 0; i < cols; ++i)
{
short flag = @in.readShort();
int form = flag >> 8;
int type = flag & 0xff;
bool extended = type >= 128;
if (type >= 128)
{
type -= 128;
}
DATA_FORM df = (DATA_FORM)form;
DATA_TYPE dt = (DATA_TYPE)type;
if (df != DATA_FORM.DF_VECTOR)
{
throw new IOException("Invalid form for column [" + names_[i] + "] for table " + _tableName);
}
IVector vector;
if (dt == DATA_TYPE.DT_SYMBOL && extended)
{
if (collection == null)
{
collection = new SymbolBaseCollection();
}
vector = new BasicSymbolVector(df, @in, collection);
}
else if (dt == DATA_TYPE.DT_COMPRESS)
{
if (decompressor == null)
{
decompressor = new VectorDecompressor();
}
vector = decompressor.Decompress(factory, @in, false, true);
}
else
{
vector = (IVector)factory.createEntity(df, dt, @in, extended);
}
if (vector.rows() != rows && vector.rows() != 1)
{
int tmp = vector.rows();
throw new IOException("The number of rows for column " + names_[i] + " is not consistent with other columns");
}
columns_.Add(vector);
}
}
