public void StartServerStreaming(IReceivedStatusOnClientCallback callback, SliceBufferSafeHandle payload, WriteFlags writeFlags, MetadataArraySafeHandle metadataArray, CallFlags callFlags)
{
using (completionQueue.NewScope())
{
var ctx = completionQueue.CompletionRegistry.RegisterBatchCompletion(CompletionHandler_IReceivedStatusOnClientCallback, callback);
Native.grpcsharp_call_start_server_streaming(this, ctx, payload, writeFlags, metadataArray, callFlags).CheckOk();
}
}
public void StartSendMessage(ISendCompletionCallback callback, SliceBufferSafeHandle payload, WriteFlags writeFlags, bool sendEmptyInitialMetadata)
{
using (completionQueue.NewScope())
{
var ctx = completionQueue.CompletionRegistry.RegisterBatchCompletion(CompletionHandler_ISendCompletionCallback, callback);
Native.grpcsharp_call_send_message(this, ctx, payload, writeFlags, sendEmptyInitialMetadata ? 1 : 0).CheckOk();
}
}
public void StartUnary(IUnaryResponseClientCallback callback, SliceBufferSafeHandle payload, WriteFlags writeFlags, MetadataArraySafeHandle metadataArray, CallFlags callFlags)
{
using (completionQueue.NewScope())
{
var ctx = completionQueue.CompletionRegistry.RegisterBatchCompletion(CompletionHandler_IUnaryResponseClientCallback, callback);
Native.grpcsharp_call_start_unary(this, ctx, payload, writeFlags, metadataArray, callFlags)
.CheckOk();
}
}
public void StartSendStatusFromServer(ISendStatusFromServerCompletionCallback callback, Status status, MetadataArraySafeHandle metadataArray, bool sendEmptyInitialMetadata,
SliceBufferSafeHandle optionalPayload, WriteFlags writeFlags)
{
using (completionQueue.NewScope())
{
var ctx = completionQueue.CompletionRegistry.RegisterBatchCompletion(CompletionHandler_ISendStatusFromServerCompletionCallback, callback);
const int MaxStackAllocBytes = 256;
int maxBytes = MarshalUtils.GetMaxByteCountUTF8(status.Detail);
if (maxBytes > MaxStackAllocBytes)
{
// pay the extra to get the *actual* size; this could mean that
// it ends up fitting on the stack after all, but even if not
// it will mean that we ask for a *much* smaller buffer
maxBytes = MarshalUtils.GetByteCountUTF8(status.Detail);
}
unsafe
{
if (maxBytes <= MaxStackAllocBytes)
{ // for small status, we can encode on the stack without touching arrays
// note: if init-locals is disabled, it would be more efficient
// to just stackalloc[MaxStackAllocBytes]; but by default, since we
// expect this to be small and it needs to wipe, just use maxBytes
byte *ptr = stackalloc byte[maxBytes];
int statusBytes = MarshalUtils.GetBytesUTF8(status.Detail, ptr, maxBytes);
Native.grpcsharp_call_send_status_from_server(this, ctx, status.StatusCode, new IntPtr(ptr), new UIntPtr((ulong)statusBytes), metadataArray, sendEmptyInitialMetadata ? 1 : 0,
optionalPayload, writeFlags).CheckOk();
}
else
{ // for larger status (rare), rent a buffer from the pool and
// use that for encoding
var statusBuffer = ArrayPool <byte> .Shared.Rent(maxBytes);
try
{
fixed(byte *ptr = statusBuffer)
{
int statusBytes = MarshalUtils.GetBytesUTF8(status.Detail, ptr, maxBytes);
Native.grpcsharp_call_send_status_from_server(this, ctx, status.StatusCode, new IntPtr(ptr), new UIntPtr((ulong)statusBytes), metadataArray, sendEmptyInitialMetadata ? 1 : 0,
optionalPayload, writeFlags).CheckOk();
}
}
finally
{
ArrayPool <byte> .Shared.Return(statusBuffer);
}
}
}
}
}
public void StartUnary(BatchContextSafeHandle ctx, SliceBufferSafeHandle payload, WriteFlags writeFlags, MetadataArraySafeHandle metadataArray, CallFlags callFlags)
{
Native.grpcsharp_call_start_unary(this, ctx, payload, writeFlags, metadataArray, callFlags)
.CheckOk();
}
