// 这个方法提供实际的计算流程.它在worker线程上被执行.
private void CalculateWorker(
ref List <ProxyInfo> proxyList,
AsyncOperation asyncOp)
{
_ProxyList = proxyList;
_ProxyListOK = new List <ProxyInfo>();
Exception e = null;
// 检查taskId是否被取消.因为操作可能已经在之前被预先取消了.
if (!TaskCanceled(asyncOp.UserSuppliedState))
{
try
{
string currentIP = ProxyUtility.GetCurrentIP_RegexPage(ConnectValidatePage(asyncOp, null), _ProxyValidateUrlInfo.RegexString);
Natsuhime.Events.MessageEventArgs me = new Natsuhime.Events.MessageEventArgs("", string.Format("[校验]{0}[当前IP]", currentIP), "", asyncOp.UserSuppliedState);
asyncOp.Post(this.onStatusChangeDelegate, me);
Validate(currentIP, asyncOp);
}
catch (Exception ex)
{
e = ex;
}
}
this.CompletionMethod(
_ProxyListOK,
e,
TaskCanceled(asyncOp.UserSuppliedState),
asyncOp);
}
private void Validate(string currentIP, AsyncOperation asyncOp)
{
if (currentIP == null || currentIP.Trim() == string.Empty)
{
throw new ArgumentNullException("currentIP");
}
Natsuhime.Events.MessageEventArgs e = null;
while (true)
{
ProxyInfo info = GetProxy();
if (info == null)
{
break;
}
e = new Natsuhime.Events.MessageEventArgs("", string.Format("[校验]{0}：{1}", info.Address, info.Port), "", asyncOp.UserSuppliedState);
asyncOp.Post(this.onStatusChangeDelegate, e);
string returnData;
try
{
returnData = ConnectValidatePage(asyncOp, info);
}
catch (Exception ex)
{
returnData = string.Empty;
}
if (returnData == string.Empty)
{
System.Diagnostics.Debug.WriteLine(string.Format("{0}：{1} - Failed", info.Address, info.Port));
e = new Natsuhime.Events.MessageEventArgs("", string.Format("[失败]{0}：{1}", info.Address, info.Port), "", asyncOp.UserSuppliedState);
asyncOp.Post(this.onStatusChangeDelegate, e);
continue;
}
if (currentIP == ProxyUtility.GetCurrentIP_RegexPage(returnData, _ProxyValidateUrlInfo.RegexString))
{
System.Diagnostics.Debug.WriteLine(string.Format("{0}：{1} - Bad", info.Address, info.Port));
e = new Natsuhime.Events.MessageEventArgs("", string.Format("[透明]{0}：{1}", info.Address, info.Port), "", asyncOp.UserSuppliedState);
asyncOp.Post(this.onStatusChangeDelegate, e);
continue;
}
Monitor.Enter(_ProxyListOK);
_ProxyListOK.Add(info);
Monitor.Exit(_ProxyListOK);
System.Diagnostics.Debug.WriteLine(string.Format("{0}：{1} - OK", info.Address, info.Port));
e = new Natsuhime.Events.MessageEventArgs("", string.Format("[成功]{0}：{1}", info.Address, info.Port), "", asyncOp.UserSuppliedState);
asyncOp.Post(this.onStatusChangeDelegate, e);
}
}