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/*
*
* 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 <grpc/support/port_platform.h>
#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_output_protected_frame_size,
tsi_zero_copy_grpc_protector** protector) {
if (self == nullptr || self->vtable == nullptr || protector == nullptr) {
return TSI_INVALID_ARGUMENT;
}
if (self->vtable->create_zero_copy_grpc_protector == nullptr) {
return TSI_UNIMPLEMENTED;
}
return self->vtable->create_zero_copy_grpc_protector(
self, max_output_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 == nullptr || self->vtable == nullptr ||
unprotected_slices == nullptr || protected_slices == nullptr) {
return TSI_INVALID_ARGUMENT;
}
if (self->vtable->protect == nullptr) 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 == nullptr || self->vtable == nullptr ||
protected_slices == nullptr || unprotected_slices == nullptr) {
return TSI_INVALID_ARGUMENT;
}
if (self->vtable->unprotect == nullptr) 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 == nullptr) return;
self->vtable->destroy(self);
}
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