/// <summary>
/// 获取所有网卡综合的网速信息
/// </summary>
/// <param name="nics"></param>
/// <param name="oldNetworkSpeedInfo"></param>
/// <param name="interval"></param>
/// <returns></returns>
public static NetworkSpeedInfo GetTotalNetworkSpeedInfo(NetworkInterface[] nics, NetworkSpeedInfo oldNetworkSpeedInfo = null, double interval = 1000)
{
NetworkSpeedInfo info = new NetworkSpeedInfo();
info.NIC = null;
foreach (NetworkInterface nic in nics)
{
IPv4InterfaceStatistics interfaceStats = nic.GetIPv4Statistics();
info.BytesSent += interfaceStats.BytesSent;
info.BytesReceived += interfaceStats.BytesReceived;
}
info.BytesSentSpeed += oldNetworkSpeedInfo == null ? 0 : (long)((info.BytesSent - oldNetworkSpeedInfo.BytesSent) / (interval / 1000));
info.BytesReceivedSpeed += oldNetworkSpeedInfo == null ? 0 : (long)((info.BytesReceived - oldNetworkSpeedInfo.BytesReceived) / (interval / 1000));
if (info.BytesSentSpeed < 0)
{
info.BytesSentSpeed = 0;
}
if (info.BytesReceivedSpeed < 0)
{
info.BytesReceivedSpeed = 0;
}
return(info);
}
private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
// get network speed
if (NotityInfoEvent != null)
{
NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces()
.Where(n => n.OperationalStatus == OperationalStatus.Up)
.ToArray();
networkSpeedInfo = NetworkSpeedInfo.GetTotalNetworkSpeedInfo(nics, networkSpeedInfo, timer.Interval);
Notify(networkSpeedInfo);
}
}
/// <summary>
/// 获取指定网卡的网速信息
/// </summary>
/// <param name="nic"></param>
/// <param name="oldNetworkSpeedInfo"></param>
/// <param name="interval"></param>
/// <returns></returns>
public static NetworkSpeedInfo GetNetworkSpeedInfo(NetworkInterface nic, NetworkSpeedInfo oldNetworkSpeedInfo = null, double interval = 1000)
{
NetworkSpeedInfo info = new NetworkSpeedInfo();
info.NIC = nic;
IPv4InterfaceStatistics interfaceStats = nic.GetIPv4Statistics();
info.BytesSent = interfaceStats.BytesSent;
info.BytesReceived = interfaceStats.BytesReceived;
info.BytesSentSpeed = oldNetworkSpeedInfo == null ? 0 : (long)((info.BytesSent - oldNetworkSpeedInfo.BytesSent) / (interval / 1000));
info.BytesReceivedSpeed = oldNetworkSpeedInfo == null ? 0 : (long)((info.BytesReceived - oldNetworkSpeedInfo.BytesReceived) / (interval / 1000));
if (info.BytesSentSpeed < 0)
{
info.BytesSentSpeed = 0;
}
if (info.BytesReceivedSpeed < 0)
{
info.BytesReceivedSpeed = 0;
}
return(info);
}
private void Timer_Elapsed(object sender, ElapsedEventArgs e)
{
// get network speed
if (NotityInfoEvent != null)
{
NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces()
.Where(n => n.OperationalStatus == OperationalStatus.Up &&
(n.GetIPStatistics().BytesReceived != 0 ||
n.GetIPStatistics().BytesSent != 0))
.ToArray();
foreach (NetworkInterface nic in nics)
{
NetworkSpeedInfo ni = null;
if (networkSpeedInfos.ContainsKey(nic.Id))
{
ni = networkSpeedInfos[nic.Id];
}
ni = NetworkSpeedInfo.GetNetworkSpeedInfo(nic, ni, timer.Interval);
networkSpeedInfos[nic.Id] = ni;
}
Notify(networkSpeedInfos.Values.OrderByDescending(n => n.BytesReceivedSpeed).ToArray());
}
}
public void Notify(NetworkSpeedInfo info)
{
NotityInfoEvent?.Invoke(this, info);
}
