/// <summary>
/// 调用CTP接口
/// </summary>
/// <param name="task"></param>
/// <returns></returns>
protected int InvokeAPI(CTPTaskBase <TRequestAction> task)
{
int result = -1;
try
{
result = InvokeAPI(this._instance, ConvertActionToInt(task.Action), task.Parameter, task.RequestID);
}
catch (Exception ex)
{
throw ex;
}
return(result);
}
/// <summary>
/// 追加查询任务
/// </summary>
/// <param name="para"></param>
/// <param name="action"></param>
protected void AddQueryTask(object para, TRequestAction action)
{
CTPTaskBase <TRequestAction> task = new CTPTaskBase <TRequestAction>();
task.Action = action;
task.Parameter = para;
lock (this.queryTasks)
{
this.queryTasks.Enqueue(task);
}
//立刻启动处理
this.queryTaskTimer.Change(0, QueryTaskProcessPeriod);
}
/// <summary>
/// 处理查询任务
/// （20090918API中，对查询函数增加了时间限制，每秒钟只能查询一次）
/// </summary>
protected void ProcessQueryTask(object obj)
{
lock (this.queryTasks)
{
if (this.isDispose == true)
{
this.queryTasks.Clear();
}
else if (this.queryTasks.Count > 0)
{
//取得队列首位的任务
CTPTaskBase <TRequestAction> task = this.queryTasks.Peek();
task.RequestID = this.CreateRequestID();
int result = InvokeAPI(task);
//请求发送成功，则移除队列
if (result == 0)
{
this.queryTasks.Dequeue();
if (processedTasks.ContainsKey(task.RequestID) == false)
{
processedTasks.Add(task.RequestID, task);
}
}
}
//没有要处理的任务，则关闭计时器
if (this.queryTasks.Count == 0)
{
this.queryTaskTimer.Change(Timeout.Infinite, Timeout.Infinite);
return;
}
}
}
