/// <summary>
/// Default constructor.
/// </summary>
/// <param name="streamHelper">Reference to StreamHelper.</param>
/// <param name="storeStream">Stream where to store readed data.</param>
/// <param name="maxSize">Maximum number of bytes to read.</param>
/// <param name="exceededAction">Specifies how this method behaves when maximum size exceeded.</param>
/// <param name="callback">Callback what will be called if asynchronous reading compltes.</param>
/// <param name="tag">User data.</param>
public _ToStreamReader(StreamHelper streamHelper,Stream storeStream,int maxSize,SizeExceededAction exceededAction,ReadToStreamCallback callback,object tag)
{
m_pStreamHelper = streamHelper;
m_pStoreStream = storeStream;
m_pBufferedStream = new BufferedStream(m_pStoreStream,32000);
m_MaxSize = maxSize;
m_ExceededAction = exceededAction;
m_pCallback = callback;
m_pTag = tag;
m_pBuffer = new byte[32000];
m_pLineBuffer = new byte[4096];
}
/// <summary>
/// Begins reading period terminated data from source stream. Reads data while gets single period on line,
/// what is data terminator.
/// </summary>
/// <param name="storeStream">Stream where to store data.</param>
/// <param name="maxSize">Maximum muber of bytes to read.</param>
/// <param name="exceededAction">Specifies how this method behaves when maximum size exceeded.</param>
/// <param name="callback">Callback to be called if asynchronous reading completes.</param>
/// <param name="tag">User data.</param>
/// <exception cref="ArgumentNullException">Raised when <b>storeStream</b> is null.</exception>
/// <exception cref="InvalidOperationException">Raised when there already is pending read operation.</exception>
public void BeginReadPeriodTerminated(Stream storeStream,int maxSize,SizeExceededAction exceededAction,ReadToStreamCallback callback,object tag)
{
if(storeStream == null){
throw new ArgumentNullException("storeStream");
}
lock(this){
if(m_IsReadActive){
throw new InvalidOperationException("There is pending read operation, multiple read operations not allowed !");
}
m_IsReadActive = false;
}
_ToStreamReader reader = new _ToStreamReader(this,storeStream,maxSize,exceededAction,callback,tag);
reader.BeginReadPeriodTerminated();
}
/// <summary>
/// Starts reading specified amount data and storing to the specified store stream.
/// </summary>
/// <param name="storeStream">Stream where to store readed data.</param>
/// <param name="count">Number of bytes to read from source stream and write to store stream.</param>
/// <param name="callback">Callback to be called if asynchronous reading completes.</param>
/// <param name="tag">User data.</param>
/// <exception cref="ArgumentNullException">Raised when <b>storeStream</b> is null.</exception>
/// <exception cref="ArgumentException">Raised when <b>count</b> less than 1.</exception>
public void BeginRead(Stream storeStream,int count,ReadToStreamCallback callback,object tag)
{
if(storeStream == null){
throw new ArgumentNullException("storeStream");
}
if(count < 1){
throw new ArgumentException("Parameter count value must be >= 1 !");
}
lock(this){
if(m_IsReadActive){
throw new InvalidOperationException("There is pending read operation, multiple read operations not allowed !");
}
m_IsReadActive = true;
}
_ToStreamReader reader = new _ToStreamReader(this,storeStream,0,SizeExceededAction.ThrowException,callback,tag);
reader.BeginRead(count);
}
/// <summary>
/// Default constructor.
/// </summary>
/// <param name="streamHelper">Reference to StreamHelper.</param>
/// <param name="storeStream">Stream where to store readed data.</param>
/// <param name="maxSize">Maximum number of bytes to read.</param>
/// <param name="exceededAction">Specifies how this method behaves when maximum size exceeded.</param>
/// <param name="callback">Callback what will be called if asynchronous reading compltes.</param>
/// <param name="tag">User data.</param>
public _ToStreamReader(StreamHelper streamHelper,
Stream storeStream,
int maxSize,
SizeExceededAction exceededAction,
ReadToStreamCallback callback,
object tag)
{
m_pStreamHelper = streamHelper;
m_pStoreStream = storeStream;
m_pBufferedStream = new BufferedStream(m_pStoreStream, Workaround.Definitions.MaxStreamLineLength);
m_MaxSize = maxSize;
m_ExceededAction = exceededAction;
m_pCallback = callback;
m_pTag = tag;
m_pBuffer = new byte[Workaround.Definitions.MaxStreamLineLength];
m_pLineBuffer = new byte[4096];
}