private void OpenInternal()
{
CompleteStatus status = CompleteStatus.Success;
try
{
try
{
isWaiting = true;
OnLoading(new EventArgs());
}
finally
{
isWaiting = false;
}
if (canceled)
{
return;
}
// 開く処理を行う
if (modeOpen)
{
Invoke(new MethodInvoker(Opening));
}
// キャッシュを読み込み表示
ReadCache(resCollection);
if (canceled)
{
return;
}
Invoke(new MethodInvoker(WriteBegin));
if (canceled)
{
return;
}
if (modeOpen)
{
Invoke(new WriteResMethodInvoker(Write), new object[] { resCollection });
// スクロール位置を復元 (値が0の場合は復元しない)
if (modeOpen && headerInfo.Position != 0.0f)
{
Invoke(new PositionMethodInvoker(SetScrollPosition),
new object[] { headerInfo.Position });
}
}
Retry:
try
{
// サーバーに接続
if (OpenReader())
{
if (canceled)
{
return;
}
Reading();
// あぼーんを検知した場合
if (aboneDetected)
{
}
}
else
{
headerInfo.NewResCount = 0;
ThreadIndexer.Write(Cache, headerInfo);
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
// 再試行が要求された場合、最初から
if (retried)
{
goto Retry;
}
if (canceled)
{
return;
}
Invoke(new MethodInvoker(WriteEnd));
}
catch (Exception ex)
{
status = CompleteStatus.Error;
// isOpen = false; #10/15
TwinDll.Output(ex);
OnStatusTextChanged(ex.Message);
}
finally
{
// 中止された場合はETagをリセット
if (canceled)
{
headerInfo.ETag = String.Empty;
}
indicesValues.Clear();
canceled = false;
lock (syncObject)
thread = null;
if (status == CompleteStatus.Success)
{
OnStatusTextChanged(
String.Format("{0}の読み込みを完了 (新着: {1}件)",
headerInfo.Subject, headerInfo.NewResCount));
}
/** 9/26 追加 **/
else if (reader is X2chAuthenticateThreadReader)
{
X2chRokkaResponseState rokkaState = ((X2chAuthenticateThreadReader)reader).RokkaResponseState;
if (rokkaState != X2chRokkaResponseState.Success)
{
TwinDll.Output("RokkaResponseState: {0}, URL: {1}, ", rokkaState, headerInfo.Url);
}
OnStatusTextChanged(String.Format("RokkaResponseState: {0}", rokkaState));
}
/****/
IsReading = false;
lastCompletedDateTime = DateTime.Now;
OnComplete(new CompleteEventArgs(status));
}
}
/// <summary>
/// データを読み込む＆書き込む
/// </summary>
private void Reading()
{
ResSetCollection items = new ResSetCollection(),
buffer = new ResSetCollection();
int read = -1, byteParsed, totalByteCount = 0;
while (read != 0)
{
if (canceled)
{
return;
}
read = reader.Read(buffer, out byteParsed);
// あぼーんを検知した場合、処理を中止。
if (read == -1)
{
aboneDetected = true;
return;
}
totalByteCount += byteParsed;
items.AddRange(buffer);
// 逐次受信の場合はビューアに書き込む
if (!isPackageReception)
{
if (canceled)
{
return;
}
Invoke(new WriteResMethodInvoker(WriteInternal), new object[] { buffer });
}
buffer.Clear();
OnReceive(new ReceiveEventArgs(
reader.Length, reader.Position, read));
OnStatusTextChanged(
String.Format("{0} 受信中 ({1}/{2})",
headerInfo.Subject, reader.Position, reader.Length));
}
// 一括受信の場合はここで一気にフラッシュ
if (isPackageReception)
{
if (canceled)
{
return;
}
Invoke(new WriteResMethodInvoker(WriteInternal), new object[] { items });
}
try
{
// スレッドのインデックス情報を保存
storage = new LocalThreadStorage(Cache, headerInfo, StorageMode.Write);
storage.BufferSize = bufferSize;
storage.Write(items);
headerInfo.GotByteCount += totalByteCount;
headerInfo.GotResCount += items.Count;
headerInfo.NewResCount = items.Count;
ThreadIndexer.Write(Cache, headerInfo);
}
catch (Exception ex)
{
TwinDll.Output(ex);
}
finally
{
storage.Close();
}
SaveThreadListIndices();
}
