public void ConnectOverRDMA(string localIpAddress, string remoteIpAddress, int port, uint maxReceiveSize, out RdmaAdapterInfo adapterInfo)
{
NtStatus status;
RdmaProviderInfo[] providers;
status = (NtStatus)RdmaProvider.LoadRdmaProviders(out providers);
if (status != NtStatus.STATUS_SUCCESS)
{
throw new InvalidOperationException("Failed to load RDMA providers!");
}
RdmaAdapter adapter = null;
foreach (var provider in providers)
{
if (provider.Provider == null)
{
continue;
}
RdmaAdapter outputAdapter;
status = (NtStatus)provider.Provider.OpenAdapter(localIpAddress, (short)AddressFamily.InterNetwork, out outputAdapter);
if (status == NtStatus.STATUS_SUCCESS)
{
adapter = outputAdapter;
break;
}
}
if (adapter == null)
{
throw new InvalidOperationException("Failed to find the specified RDMA adapter!");
}
status = (NtStatus)adapter.Query(out adapterInfo);
if (status != (int)NtStatus.STATUS_SUCCESS)
{
throw new InvalidOperationException("Failed to query RDMA provider info!");
}
status = smbdClient.ConnectToServerOverRdma(
localIpAddress,
remoteIpAddress,
port,
AddressFamily.InterNetwork,
adapterInfo.MaxInboundRequests,
adapterInfo.MaxOutboundRequests,
adapterInfo.MaxInboundReadLimit,
maxReceiveSize
);
if (status != NtStatus.STATUS_SUCCESS)
{
throw new InvalidOperationException("ConnectToServerOverRdma failed!");
}
decoder.TransportType = Smb2TransportType.Rdma;
}
/// <summary>
/// SmbdEndpoint constructor will load RDMA providers and initialize default connection values.
/// </summary>
/// <param name="inboundEntries">maximum number of outstanding Receive requests.</param>
/// <param name="outboundEntries">maximum number of outstanding Send, SendAndInvalidate
/// , Bind, Invalidate, Read, and Write requests.
/// </param>
/// <param name="inboundSegment">inbound segments limit</param>
/// <param name="outboundSegment">outbound segments limit</param>
/// <param name="inboundReadLimit">maximum inbound read limit for the local Network
/// Direct adapter. This value can be zero if you do not support
/// </param>
/// <param name="outboundReadLimit"></param>
/// <param name="inboundDataSize">Max Size of RDMA inbound data</param>
/// <param name="logEvent">Delegate to log SMBD event</param>
public SmbdConnectionEndpoint(
uint inboundEntries,
uint outboundEntries,
uint inboundSegment,
uint outboundSegment,
uint inboundReadLimit,
uint outboundReadLimit,
uint inboundDataSize,
SmbdLogEvent logEvent = null
)
{
this.logEndpointEvent = logEvent;
LogEvent("Loading the providers of registered network drivers.");
initializeStatus = (NtStatus)RdmaProvider.LoadRdmaProviders(out rdmaProvidersList);
this.inboundEntries = inboundEntries;
this.outboundEntries = outboundEntries;
this.inboundSegment = inboundSegment;
this.outboundSegment = outboundSegment;
this.inboundReadLimit = inboundReadLimit;
this.outboundReadLimit = outboundReadLimit;
this.completionQueueDepth = (inboundEntries + outboundEntries);
this.inboundDataSize = inboundDataSize;
isConnected = false;
memoryWindowList = new List <SmbdMemoryWindow>();
receiveRequestList = new List <SmbdRequest>();
locker = new Object();
otherRequestResult = new SyncFilterQueue <SmbdRequestResult>();
receiveRequestResult = new SyncFilterQueue <SmbdRequestResult>();
disconnectSemaphore = new Semaphore(0, 1);
//threadStopSemaphore = new Semaphore(0, THREAD_COUNT);
// one more for Semaphore Release when disconnection
rdmaNotificationSemaphore = new Semaphore(0, (int)completionQueueDepth + 1);
requestCount = 0;
ReceivePostedCount = 0;
#region output provider information
if (initializeStatus != NtStatus.STATUS_SUCCESS)
{
LogEvent(string.Format("Load provider with error code: {0}", (NtStatus)initializeStatus));
return;
}
if (rdmaProvidersList == null)
{
LogEvent("The returned providers list is NULL");
return;
}
LogEvent(string.Format("{0} providers of registered network drivers have been load,", rdmaProvidersList.Length));
int providerIndex = 0;
foreach (RdmaProviderInfo info in rdmaProvidersList)
{
if (info != null)
{
LogEvent(string.Format("Load provider {1}: {0}", info.Path, ++providerIndex));
}
}
LogEvent("Loading providers is completed");
#endregion
}