This copies the codes and status package from grpc as it is the only references
to the grpc project from ttrpc. This will help ensure that API breaking changes
in grpc do not affect ttrpc.
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This change increases the maximum message size to 4MB to be inline
with the grpc default. The buffer management approach has been changed
to use a pool to minimize allocations and keep memory usage low.
Signed-off-by: Stephen J Day <stephen.day@docker.com>
With this changeset, ttrpc can now handle mutliple outstanding requests
and responses on the same connection without blocking. On the
server-side, we dispatch a goroutine per outstanding reequest. On the
client side, a management goroutine dispatches responses to blocked
waiters.
The protocol has been changed to support this behavior by including a
"stream id" that can used to identify which request a response belongs
to on the client-side of the connection. With these changes, we should
also be able to support streams in the future.
Signed-off-by: Stephen J Day <stephen.day@docker.com>
A varint prefixed framing format is defined for transport messages for
mgrpc. We may make changes to include a more structured frame, but this
initial work can be used to validate the concepts.
Signed-off-by: Stephen J Day <stephen.day@docker.com>
