From 7001bc279b520b556eb7e8e14fd8c9f87dfe3785 Mon Sep 17 00:00:00 2001 From: jiangtaoli2016 Date: Fri, 28 Jul 2017 13:25:02 -0700 Subject: Add TSI zero-copy frame protector --- src/core/tsi/transport_security_grpc.c | 64 ++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/core/tsi/transport_security_grpc.c (limited to 'src/core/tsi/transport_security_grpc.c') diff --git a/src/core/tsi/transport_security_grpc.c b/src/core/tsi/transport_security_grpc.c new file mode 100644 index 0000000000..ab2b6ddd54 --- /dev/null +++ b/src/core/tsi/transport_security_grpc.c @@ -0,0 +1,64 @@ +/* + * + * Copyright 2017 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#include "src/core/tsi/transport_security_grpc.h" + +/* This method creates a tsi_zero_copy_grpc_protector object. */ +tsi_result tsi_handshaker_result_create_zero_copy_grpc_protector( + const tsi_handshaker_result *self, size_t *max_protected_frame_size, + tsi_zero_copy_grpc_protector **protector) { + if (self == NULL || self->vtable == NULL || protector == NULL) { + return TSI_INVALID_ARGUMENT; + } + if (self->vtable->create_zero_copy_grpc_protector == NULL) { + return TSI_UNIMPLEMENTED; + } + return self->vtable->create_zero_copy_grpc_protector( + self, max_protected_frame_size, protector); +} + +/* --- tsi_zero_copy_grpc_protector common implementation. --- + + Calls specific implementation after state/input validation. */ + +tsi_result tsi_zero_copy_grpc_protector_protect( + tsi_zero_copy_grpc_protector *self, grpc_slice_buffer *unprotected_slices, + grpc_slice_buffer *protected_slices) { + if (self == NULL || self->vtable == NULL || unprotected_slices == NULL || + protected_slices == NULL) { + return TSI_INVALID_ARGUMENT; + } + if (self->vtable->protect == NULL) return TSI_UNIMPLEMENTED; + return self->vtable->protect(self, unprotected_slices, protected_slices); +} + +tsi_result tsi_zero_copy_grpc_protector_unprotect( + tsi_zero_copy_grpc_protector *self, grpc_slice_buffer *protected_slices, + grpc_slice_buffer *unprotected_slices) { + if (self == NULL || self->vtable == NULL || protected_slices == NULL || + unprotected_slices == NULL) { + return TSI_INVALID_ARGUMENT; + } + if (self->vtable->unprotect == NULL) return TSI_UNIMPLEMENTED; + return self->vtable->unprotect(self, protected_slices, unprotected_slices); +} + +void tsi_zero_copy_grpc_protector_destroy(tsi_zero_copy_grpc_protector *self) { + if (self == NULL) return; + self->vtable->destroy(self); +} -- cgit v1.2.3