/// <summary>
/// 发送邮件队列中的邮件 -- 保证同时只有一个在执行
/// </summary>
/// <param name="includeFailed">是否包括发送失败的邮件。</param>
/// <returns>是否执行了发送。</returns>
public bool SendMailQueue()
{
lock (s_lock)
{
if (sending) // 如果正在发送，直接返回
{
log.Info(String.Format("Starting to send mail queue at {0:yyyy-MM-dd HH:mm:ss}, but last job({1:yyyy-MM-dd HH:mm:ss}) is still running", DateTime.Now, time));
return(false);
}
else
{
sending = true;
time = DateTime.Now;
log.Info(String.Format("Starting to send mail queue at {0:yyyy-MM-dd HH:mm:ss}", time));
}
}
try
{
List <Message> queue = MessageDa.GetMailQueue(null, true);
foreach (Message m in queue)
{
try
{
// 3次以内重发
if (m.Status <= 3)
{
SendMail(m);
}
}
catch (Exception ex)
{
m.Status++;
log.Warn(String.Format("Sending the specified mail[{0}] Exception:{1}", m.UID, ex.ToString()));
MessageDa.UpdateMaillQueue(m);
}
}
}
catch (Exception ex)
{
log.Error(String.Format("Unable to get the mail queue with Exception:{0}", ex.ToString()));
}
finally
{
lock (s_lock)
{
sending = false;
}
}
return(true);
}
// 发送邮件
private void SendMail(Message mail)
{
#region 发送邮件
Send(mail, defaultHost, defaultPort, defaultUserName, defaultPassword);
#endregion
#region 除队列 保存已发送邮件
MessageDa.DeleteMaillQueue(mail.UID);
MessageDa.InsertMaillSend(mail);
#endregion
}
internal static void SendMail(TranscationHelper trans, string to, string cc, string subject, string body, MailPriority priority, params Guid[] files)
{
Message message = new Message();
message.From = Sender.GetDefaultFrom();
message.To = to;
message.CC = cc;
message.Subject = subject;
message.Body = body;
message.Priority = priority;
MessageDa.InsertMaillQueue(message, trans);
if (files != null)
{
foreach (Guid file in files)
{
MessageDa.InsertMaillAttach(file, Utils.SysFileDir(), message.UID, trans);
}
}
}
public DataTable read(Message message)
{
MessageDa messageDa = new MessageDa();
return(messageDa.Read(message));
}
public bool create(Message message)
{
MessageDa messageDa = new MessageDa();
return(messageDa.create(message));
}
/// <summary>
/// 取消邮件队列中的指定邮件。
/// </summary>
/// <param name="mailUID">邮件标识(UID)。</param>
public void CancleMailQueue(Guid mid)
{
MessageDa.DeleteMaillQueue(mid);
}
/// <summary>
/// 根据邮件标识(UID)获取邮件队列中的邮件。。
/// </summary>
/// <param name="mid">邮件标识(UID)。</param>
/// <returns>邮件对象。不存在返回null。</returns>
public Message GetMailQueueByID(Guid mid)
{
return(MessageDa.GetMailQueueByID(mid));
}
