/// <summary>
/// output all addresses which are supported by the provider
/// </summary>
private void OutputAddressInfoSupportedByProvider(RdmaProviderInfo providerInfo)
{
if (providerInfo == null)
{
LogEvent("ProviderInfo is null.");
return;
}
RdmaAddress[] addressList;
NtStatus status = (NtStatus)providerInfo.Provider.QueryAddressList(out addressList);
if (status != NtStatus.STATUS_SUCCESS)
{
LogEvent(string.Format("Return code of Provider.QueryAddressList is {0}", status));
return;
}
if (addressList == null)
{
LogEvent("The address list returned from Provider.QueryAddressList is null.");
return;
}
if (addressList.Length == 0)
{
LogEvent(string.Format("No address supported by provider \"{0}\".", providerInfo.Path));
return;
}
LogEvent(string.Format("Total {0} addresses supported by the provider \"{1}\":\n",
addressList.Length,
providerInfo.Path));
int addressIndex = 0;
foreach (RdmaAddress address in addressList)
{
if (address == null)
{
continue;
}
if ((AddressFamily)address.Family == AddressFamily.InterNetwork)
{ // IPv4
LogEvent(string.Format("{0}. {1}: {2}.{3}.{4}.{5}\n",
++addressIndex,
AddressFamily.InterNetwork,
(byte)address.Data[0],
(byte)address.Data[1],
(byte)address.Data[2],
(byte)address.Data[3]));
}
else
{
LogEvent(string.Format("{0}. {1}", ++addressIndex, (AddressFamily)address.Family));
}
}
}
/// <summary>
/// output all addresses which are supported by the provider
/// </summary>
private static void OutputAddressInfoSupportedByProvider(RdmaProviderInfo providerInfo, SmbdLogEvent logEvent)
{
if (logEvent == null)
{
return;
}
if(providerInfo == null)
{
logEvent("ProviderInfo is null.");
return;
}
RdmaAddress[] addressList;
NtStatus status = (NtStatus)providerInfo.Provider.QueryAddressList(out addressList);
if (status != NtStatus.STATUS_SUCCESS)
{
logEvent(string.Format("Return code of Provider.QueryAddressList is {0}", status));
return;
}
if (addressList == null)
{
logEvent("The address list returned from Provider.QueryAddressList is null.");
return;
}
if (addressList.Length == 0)
{
logEvent(string.Format("No address supported by provider \"{0}\".", providerInfo.Path));
return;
}
logEvent(string.Format("Total {0} addresses supported by the provider \"{1}\":\n",
addressList.Length,
providerInfo.Path));
int addressIndex = 0;
foreach (RdmaAddress address in addressList)
{
if (address == null)
{
continue;
}
if ((AddressFamily)address.Family == AddressFamily.InterNetwork)
{ // IPv4
logEvent(string.Format("{0}. {1}: {2}.{3}.{4}.{5}\n",
++addressIndex,
AddressFamily.InterNetwork,
(byte)address.Data[0],
(byte)address.Data[1],
(byte)address.Data[2],
(byte)address.Data[3]));
}
else
{
logEvent(string.Format("{0}. {1}", ++addressIndex, (AddressFamily)address.Family));
}
}
}
/// <summary>
/// Open adapter with local IP address
/// </summary>
/// <param name="providers"></param>
/// <param name="localIpAddress"></param>
/// <param name="ipFamily">IP Family, IPv4 or IPv6</param>
/// <returns></returns>
private static RdmaAdapter OpenAdapter(
RdmaProviderInfo[] providers,
string localIpAddress,
AddressFamily ipFamily,
SmbdLogEvent logEvent)
{
RdmaAdapter adapter;
if (providers == null)
{
if (logEvent != null)
{
logEvent("Providers list is null. Open adapter failed.");
}
return null;
}
foreach (RdmaProviderInfo providerInfo in providers)
{
if (providerInfo.Provider == null)
{
continue;
}
if (logEvent != null)
{
logEvent(string.Format("Try to open adapter from provider \"{0}\" with specific IP Address: \"{1}\"",
providerInfo.Path,
localIpAddress));
}
OutputAddressInfoSupportedByProvider(providerInfo, logEvent);
NtStatus status = (NtStatus)providerInfo.Provider.OpenAdapter(localIpAddress, (short)ipFamily, out adapter);
if (status != NtStatus.STATUS_SUCCESS)
{
if (logEvent != null)
{
logEvent(string.Format("Provider '{0}' does not support IP address \"{1}\".",
providerInfo.Path,
localIpAddress));
}
continue;
}
if (logEvent != null)
{
logEvent(string.Format("Adapter on IP address \"{0}\" is open via provider '{1}'.",
localIpAddress,
providerInfo.Path));
}
return adapter;
}
if (logEvent != null)
{
logEvent(string.Format("IP address \"{0}\" is not supported by all providers. Open adapter failed.", localIpAddress));
}
return null;
}
