private void btnGenerateSysEvent_Click(object sender, EventArgs e)
{
try
{
// 模拟产生一个系统日志；系统将显示此日志并进行持久化。
var log = new SysEventLog(EventType.CommRecovery, EventLevel.First, "节点 A 与节点 B 通信恢复。");
GlobalMessageBus.PublishNewSystemEventGenerated(new NewSystemEventArgs(log));
// 模拟产生一个系统日志；系统将显示此日志并进行持久化。
log = new SysEventLog(EventType.CommInterruption, EventLevel.Third, "节点 A 与节点 B 通信中断。");
GlobalMessageBus.PublishNewSystemEventGenerated(new NewSystemEventArgs(log));
// 模拟产生一个通信中断消息；系统将显示此消息并自动产生一个系统日志；然后持久化。
var args = new CommStateChangedEventArgs(false, NodeType.Node1, 16, NodeType.Node2, 18);
GlobalMessageBus.PublishCommStateChanged(args);
// 查询
log = GlobalServices.Repository.Where <SysEventLog>(p => p.Code == log.Code).FirstOrDefault();
LogUtility.Info("{0}", log);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnCommStateChanged(object sender, CommStateChangedEventArgs args)
{
try
{
var remoteNode = GlobalServices.Repository.Where <SystemNode>(p => p.Code == args.RemoteNodeCode).FirstOrDefault();
// 产生事件。
var eventLog = new SysEventLog();
eventLog.TypeCode = args.CommState.GetValueOrDefault() ? EventType.CommRecovery : EventType.CommInterruption;
eventLog.Level = GlobalServices.SEM.GetEventLevel(eventLog.TypeCode);
var nodeName = remoteNode == null?string.Format("{0}", args.RemoteNodeCode) : string.Format("{0}_{1}", args.RemoteNodeCode, remoteNode.Name);
if (args.CommState.GetValueOrDefault())
{
eventLog.Description = string.Format("本节点与远程节点（{0}）通信恢复。", nodeName);
}
else
{
eventLog.Description = string.Format("本节点与远程节点（{0}）通信中断。", nodeName);
}
// 发布事件
GlobalMessageBus.PublishNewSystemEventGenerated(new NewSystemEventArgs(eventLog));
}
catch (System.Exception ex)
{
LogUtility.Error(ex);
}
}
private void ShowSysEventLog(SysEventLog log)
{
try
{
// 清除无效记录
if (dataGridView.Rows.Count > MaxCount)
{
dataGridView.Rows.RemoveAt(dataGridView.Rows.Count - 1);
}
// 查找对应的行。
var theRow = this.FindGridRow(log.Code);
if (theRow == null)
{
// 创建新行。
theRow = new DataGridViewRow()
{
Tag = log
};
theRow.CreateCells(this.dataGridView, new object[] { "" });
// 插入到第一行
dataGridView.Rows.Insert(0, theRow);
}
// 更新内容。
int index = 0;
if (log.Level == EventLevel.First)
{
theRow.Cells[index++].Value = Resources.Info;
//newRow.DefaultCellStyle.ForeColor = Color.Green;
}
else if (log.Level == EventLevel.Second)
{
theRow.Cells[index++].Value = Resources.Warning;
}
else
{
theRow.Cells[index++].Value = Resources.Error;
}
theRow.Cells[index++].Value = log.Timestamp.ToString("yyyy-MM-dd HH:mm:ss.fff");
theRow.Cells[index++].Value = EnumUtility.GetDescription(log.TypeCode);
theRow.Cells[index++].Value = log.Description;
var confirmEnabled = GlobalServices.SEM.GetConfirmEnabled(log.TypeCode);
if (confirmEnabled)
{
theRow.Cells[index++].Value = log.ConfirmTime != DateTime.MinValue ? log.ConfirmTime.ToString("yyyy-MM-dd HH:mm:ss.fff") : "";
}
else
{
theRow.Cells[index++].Value = "无需确认";
}
theRow.Cells[ConfirmTimeIndex].Tag = confirmEnabled;
}
catch (Exception ex)
{
LogUtility.Error(ex);
}
}
public void AddSysEventLog(SysEventLog log)
{
if (log.Code == Entity.InvalidCode)
{
log.Code = GlobalServices.Repository.NextSequence <SysEventLog>();
}
GlobalServices.Repository.Insert(log);
}
public void UpdateSysEventLog(SysEventLog log)
{
GlobalServices.Repository.Update <SysEventLog>(log, p => p.Code == log.Code);
}
/// <summary>
/// 构造函数。
/// </summary>
/// <param name="value">表示系统事件对象。</param>
public NewSystemEventArgs(SysEventLog value)
{
this.Value = value;
}