/// 非同期でPOP3メールサーバーからのデータを受信します。
/// 受信データがまだある場合、再度BeginExecuteメソッドを呼び出し残りのデータを取得します。
/// <summary>
/// Send a command with asynchronous and get response text by first parameter of callbackFunction.
/// If there is more data to receive,continously call BeginExecuteCallback method and get response data.
/// 非同期でPOP3メールサーバーからのデータを受信します。
/// 受信データがまだある場合、再度BeginExecuteメソッドを呼び出し残りのデータを取得します。
/// </summary>
/// <param name="result"></param>
private void BeginSendCallBack(IAsyncResult result)
{
DataReceiveContext cx = (DataReceiveContext)result.AsyncState;
Boolean IsException = false;
try
{
Int32 size = this.Stream.EndRead(result);
if (cx.ReadBuffer(size) == true)
{
//まだデータが受信中の場合、再度レスポンスデータを受信します。
var bb = cx.GetByteArray();
this.Stream.BeginRead(bb, 0, bb.Length, this.BeginSendCallBack, cx);
}
else
{
cx.OnEndGetResponse();
cx.Dispose();
}
}
catch (Exception ex)
{
IsException = true;
this.OnError(ex);
}
finally
{
if (IsException == true && cx != null)
{
cx.Dispose();
}
}
}
private void ExecuteIdleCallback(IAsyncResult result)
{
DataReceiveContext cx = null;
try
{
cx = (DataReceiveContext)result.AsyncState;
if (this.Socket == null)
{
throw new SocketClientException("Connection is closed");
}
Int32 size = Stream.EndRead(result);
if (cx.ReadBuffer(size) == true)
{
var bb = cx.GetByteArray();
this.Stream.BeginRead(bb, 0, bb.Length, this.GetResponseCallback, cx);
}
else
{
cx.Dispose();
}
}
catch (Exception ex)
{
cx.Exception = ex;
this.OnError(ex);
}
finally
{
if (cx.Exception != null)
{
cx.Dispose();
}
}
}
/// <summary>
///
/// </summary>
/// <param name="result"></param>
protected void GetResponseCallback(IAsyncResult result)
{
DataReceiveContext cx = null;
try
{
cx = (DataReceiveContext)result.AsyncState;
if (this.Socket == null)
{
throw new SocketClientException("Connection is closed");
}
Int32 size = Stream.EndRead(result);
TimeSpan ts = DateTime.Now - cx.StartTime;
if (ts.TotalMilliseconds > this.ReceiveTimeout)
{
cx.Timeout = true;
this.GetResponseDone.Set();
}
if (cx.ReadBuffer(size) == true)
{
var bb = cx.GetByteArray();
this.Stream.BeginRead(bb, 0, bb.Length, this.GetResponseCallback, cx);
}
else
{
this.GetResponseDone.Set();
}
}
catch (Exception ex)
{
cx.Exception = ex;
}
if (cx.Exception != null)
{
try
{
this.GetResponseDone.Set();
}
catch (ObjectDisposedException) { }
}
}