/* * * Copyright 2014, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following disclaimer * in the documentation and/or other materials provided with the * distribution. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #ifndef __GRPC_INTERNAL_TRANSPORT_TRANSPORT_IMPL_H__ #define __GRPC_INTERNAL_TRANSPORT_TRANSPORT_IMPL_H__ #include "src/core/transport/transport.h" typedef struct grpc_transport_vtable { /* Memory required for a single stream element - this is allocated by upper layers and initialized by the transport */ size_t sizeof_stream; /* = sizeof(transport stream) */ /* implementation of grpc_transport_init_stream */ int (*init_stream)(grpc_transport *self, grpc_stream *stream, const void *server_data); /* implementation of grpc_transport_send_batch */ void (*send_batch)(grpc_transport *self, grpc_stream *stream, grpc_stream_op *ops, size_t ops_count, int is_last); /* implementation of grpc_transport_set_allow_window_updates */ void (*set_allow_window_updates)(grpc_transport *self, grpc_stream *stream, int allow); /* implementation of grpc_transport_destroy_stream */ void (*destroy_stream)(grpc_transport *self, grpc_stream *stream); /* implementation of grpc_transport_abort_stream */ void (*abort_stream)(grpc_transport *self, grpc_stream *stream, grpc_status_code status); /* implementation of grpc_transport_close */ void (*close)(grpc_transport *self); /* implementation of grpc_transport_ping */ void (*ping)(grpc_transport *self, void (*cb)(void *user_data), void *user_data); /* implementation of grpc_transport_destroy */ void (*destroy)(grpc_transport *self); } grpc_transport_vtable; /* an instance of a grpc transport */ struct grpc_transport { /* pointer to a vtable defining operations on this transport */ const grpc_transport_vtable *vtable; }; #endif /* __GRPC_INTERNAL_TRANSPORT_TRANSPORT_IMPL_H__ */