/// <summary>Gets a value indicating whether the data plan status values are default values, or provided by the MNO.</summary>
/// <value><c>true</c> if this instance is available; otherwise, <c>false</c>.</value>
public static bool IsDefined(this NLM_DATAPLAN_STATUS status)
{
const uint NLM_UNKNOWN_DATAPLAN_STATUS = 0xFFFFFFFF;
// usage data is valid only if both planUsage and lastUpdatedTime are valid
if (status.UsageData.UsageInMegabytes != NLM_UNKNOWN_DATAPLAN_STATUS && (status.UsageData.LastSyncTime.dwHighDateTime != 0 || status.UsageData.LastSyncTime.dwLowDateTime != 0))
{
return(true);
}
if (status.DataLimitInMegabytes != NLM_UNKNOWN_DATAPLAN_STATUS)
{
return(true);
}
if (status.InboundBandwidthInKbps != NLM_UNKNOWN_DATAPLAN_STATUS)
{
return(true);
}
if (status.OutboundBandwidthInKbps != NLM_UNKNOWN_DATAPLAN_STATUS)
{
return(true);
}
if (status.NextBillingCycle.dwHighDateTime != 0 || status.NextBillingCycle.dwLowDateTime != 0)
{
return(true);
}
if (status.MaxTransferSizeInMegabytes != NLM_UNKNOWN_DATAPLAN_STATUS)
{
return(true);
}
return(false);
}
/// <summary>
/// Gets the data plan status for either a machine-wide internet connection , or the first-hop of routing to a specific destination
/// on a connection. If an IPv4/IPv6 address is not specified, this method returns the data plan status of the connection used for
/// machine-wide Internet connectivity.
/// </summary>
/// <param name="destIPAddr">
/// The destination IPv4/IPv6 address. If <see langword="null"/>, this method will instead return the data plan status of the
/// connection used for machine-wide Internet connectivity.
/// </param>
/// <returns>
/// An NLM_DATAPLAN_STATUS structure that describes the data plan status associated with a connection used to route to a destination.
/// If destIPAddr specifies a tunnel address, the first available data plan status in the interface stack is returned.
/// </returns>
public static NLM_DATAPLAN_STATUS GetConnectionDataPlanStatus(IPAddress destIPAddr = null)
{
var ptr = destIPAddr != null ? new SafeCoTaskMemHandle(destIPAddr.GetAddressBytes()) : SafeCoTaskMemHandle.Null;
var cost = new NLM_DATAPLAN_STATUS();
(costmgr ?? (costmgr = (INetworkCostManager)Manager))?.GetDataPlanStatus(out cost, (IntPtr)ptr);
return(cost);
}
/// <summary>
/// Gets the data plan status for either a machine-wide internet connection , or the first-hop of routing to a specific destination
/// on a connection. If an IPv4/IPv6 address is not specified, this method returns the data plan status of the connection used for
/// machine-wide Internet connectivity.
/// </summary>
/// <param name="destIPAddr">
/// The destination IPv4/IPv6 address. If <see langword="null"/>, this method will instead return the data plan status of the
/// connection used for machine-wide Internet connectivity.
/// </param>
/// <returns>
/// An NLM_DATAPLAN_STATUS structure that describes the data plan status associated with a connection used to route to a destination.
/// If destIPAddr specifies a tunnel address, the first available data plan status in the interface stack is returned.
/// </returns>
public static NLM_DATAPLAN_STATUS GetConnectionDataPlanStatus(IPAddress destIPAddr = null)
{
var addr = NLM_SOCKADDR.FromIPAddress(destIPAddr);
var cost = new NLM_DATAPLAN_STATUS();
(costmgr ?? (costmgr = (INetworkCostManager)Manager))?.GetDataPlanStatus(out cost, addr);
return(cost);
}
public void GetCostTest()
{
NLM_CONNECTION_COST ret = 0;
Assert.That(() => coster.GetCost(out ret), Throws.Nothing);
TestContext.WriteLine($"Cost:{ret}");
Assert.That((int)ret, Is.GreaterThan(0));
var status = new NLM_DATAPLAN_STATUS();
Assert.That(() => coster.GetDataPlanStatus(out status), Throws.Nothing);
Assert.That(status.InterfaceGuid, Is.Not.EqualTo(Guid.Empty));
TestContext.WriteLine($"Guid:{status.InterfaceGuid}; Limit:{status.DataLimitInMegabytes:X}; Xfer:{status.MaxTransferSizeInMegabytes:X}");
}