/// <summary>
/// 菜单项“过滤本机流量”勾选状态改变时的事件。
/// </summary>
/// <param name="sender">触发事件的控件对象。</param>
/// <param name="e">事件的参数。</param>
private void 过滤本机流量ToolStripMenuItem_CheckedChanged(object sender, EventArgs e)
{
// 检查监视器是否在工作
if (开始监视ToolStripMenuItem.Text.Equals("开始监视"))
{
return;
}
// 暂停列表更新
ConnectionListUpdateTimer.Stop();
new WaitTimeoutChecker(30000).ThreadSleep(100, () => ConnectionListUpdateTimer.Enabled);
// 去除已有本机流量数据
var removeRows = ConnectionList.Rows.Cast <DataGridViewRow>().Where(row =>
IPAddress.Parse(row.Cells["SrcAddress"].Value.ToString().Substring(0, row.Cells["SrcAddress"].Value.ToString().LastIndexOf(':'))).Equals(Watcher.Ipv4Address) ||
IPAddress.Parse(row.Cells["DstAddress"].Value.ToString().Substring(0, row.Cells["DstAddress"].Value.ToString().LastIndexOf(':')))
.Equals(Watcher.Ipv4Address)).ToList();
foreach (var row in removeRows)
{
ConnectionList.Rows.Remove(row);
}
// 恢复列表更新
ConnectionListUpdateTimer.Start();
}
/// <summary>
/// 连接列表鼠标按键事件响应方法，暂停列表更新。
/// </summary>
/// <param name="sender">触发事件的控件对象。</param>
/// <param name="e">事件的参数。</param>
private void ConnectionList_MouseEvent(object sender, MouseEventArgs e)
{
if (ConnectionListUpdateTimer.Enabled)
{
ConnectionListUpdateTimer.Stop();
new WaitTimeoutChecker(30000).ThreadSleep(100, () => ConnectionListUpdateTimer.Enabled);
}
else if (!ConnectionListMenuStrip.Visible)
{
ConnectionListUpdateTimer.Start();
}
}
/// <summary>
/// 连接列表右键菜单关闭时触发的事件，重新开始更新列表。
/// </summary>
/// <param name="sender">触发事件的控件对象。</param>
/// <param name="e">事件的参数。</param>
private void ConnectionListMenuStrip_Closed(object sender, ToolStripDropDownClosedEventArgs e)
{
ConnectionListUpdateTimer.Start();
}
/// <summary>
/// 菜单项“开始毒化”单击时的事件。
/// </summary>
/// <param name="sender">触发事件的控件对象。</param>
/// <param name="e">事件的参数。</param>
private void 开始监视ToolStripMenuItem_Click(object sender, EventArgs e)
{
if (开始监视ToolStripMenuItem.Text == "开始监视")
{
// 创建载入界面
var task = new Thread(watching => {
try {
Watcher.StartWatching();
}
catch (ThreadAbortException) {
// 用户中止了操作
Watcher.Stop();
}
})
{
Name = RegisteredThreadName.StartWatching.ToString()
};
MessagePipe.SendInMessage(new KeyValuePair <Message, Thread>(Message.TaskIn, task));
var loading = new Loading("正在启动监视，请稍候", task);
loading.ShowDialog();
// 等待结果
var result = Message.NoAvailableMessage;
new WaitTimeoutChecker(30000).ThreadSleep(500, () => (result = MessagePipe.GetNextOutMessage(task)) == Message.NoAvailableMessage);
// 用户取消
if (result == Message.UserCancel)
{
MessagePipe.SendInMessage(new KeyValuePair <Message, Thread>(Message.TaskCancel, task));
new WaitTimeoutChecker(30000).ThreadSleep(500, () => (result = MessagePipe.GetNextOutMessage(task)) == Message.NoAvailableMessage);
switch (result)
{
case Message.TaskAborted:
return;
case Message.TaskOut:
break;
case Message.TaskNotFound:
MessageBox.Show("未能找到指定名称的工作线程。", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
default:
throw new Exception($"无效的消息类型：{result}");
}
}
MessagePipe.ClearAllMessage(task);
MessageBox.Show("监视工作已启动。", "消息", MessageBoxButtons.OK, MessageBoxIcon.Information);
ConnectionListUpdateTimer.Start();
开始监视ToolStripMenuItem.Text = "停止监视";
}
else
{
// 创建载入界面
var task = new Thread(stop => { Watcher.Stop(); })
{
Name = RegisteredThreadName.StopWatching.ToString()
};
MessagePipe.SendInMessage(new KeyValuePair <Message, Thread>(Message.TaskIn, task));
var loading = new Loading("正在停止，请稍候", task);
loading.ShowDialog();
// 等待结果
new WaitTimeoutChecker(30000).ThreadSleep(500, () => {
var msg = MessagePipe.GetNextOutMessage(task);
switch (msg)
{
case Message.NoAvailableMessage:
return(true);
case Message.TaskOut:
return(false);
default:
throw new Exception($"无效的消息类型：{msg}");
}
});
// 模块已停止
MessagePipe.ClearAllMessage(task);
ConnectionListUpdateTimer.Stop();
new WaitTimeoutChecker(30000).ThreadSleep(100, () => ConnectionListUpdateTimer.Enabled);
ConnectionList.Rows.Clear();
MessageBox.Show("监视工作已停止。", "消息", MessageBoxButtons.OK, MessageBoxIcon.Information);
开始监视ToolStripMenuItem.Text = "开始监视";
}
}