1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H 20 #define GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include "src/core/lib/transport/transport.h" 25 26 typedef struct grpc_transport_vtable { 27 /* Memory required for a single stream element - this is allocated by upper 28 layers and initialized by the transport */ 29 size_t sizeof_stream; /* = sizeof(transport stream) */ 30 31 /* name of this transport implementation */ 32 const char* name; 33 34 /* implementation of grpc_transport_init_stream */ 35 int (*init_stream)(grpc_transport* self, grpc_stream* stream, 36 grpc_stream_refcount* refcount, const void* server_data, 37 gpr_arena* arena); 38 39 /* implementation of grpc_transport_set_pollset */ 40 void (*set_pollset)(grpc_transport* self, grpc_stream* stream, 41 grpc_pollset* pollset); 42 43 /* implementation of grpc_transport_set_pollset */ 44 void (*set_pollset_set)(grpc_transport* self, grpc_stream* stream, 45 grpc_pollset_set* pollset_set); 46 47 /* implementation of grpc_transport_perform_stream_op */ 48 void (*perform_stream_op)(grpc_transport* self, grpc_stream* stream, 49 grpc_transport_stream_op_batch* op); 50 51 /* implementation of grpc_transport_perform_op */ 52 void (*perform_op)(grpc_transport* self, grpc_transport_op* op); 53 54 /* implementation of grpc_transport_destroy_stream */ 55 void (*destroy_stream)(grpc_transport* self, grpc_stream* stream, 56 grpc_closure* then_schedule_closure); 57 58 /* implementation of grpc_transport_destroy */ 59 void (*destroy)(grpc_transport* self); 60 61 /* implementation of grpc_transport_get_endpoint */ 62 grpc_endpoint* (*get_endpoint)(grpc_transport* self); 63 } grpc_transport_vtable; 64 65 /* an instance of a grpc transport */ 66 struct grpc_transport { 67 /* pointer to a vtable defining operations on this transport */ 68 const grpc_transport_vtable* vtable; 69 }; 70 71 #endif /* GRPC_CORE_LIB_TRANSPORT_TRANSPORT_IMPL_H */ 72
