alts_tsi_handshaker.h

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/*
 *
 * Copyright 2018 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.
 *
 */
 
#ifndef GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_TSI_HANDSHAKER_H
#define GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_TSI_HANDSHAKER_H
 
#include <grpc/support/port_platform.h>
 
#include <grpc/grpc.h>
 
#include "src/core/lib/iomgr/pollset_set.h"
#include "src/core/lib/security/credentials/alts/grpc_alts_credentials_options.h"
#include "src/core/tsi/alts/handshaker/alts_handshaker_client.h"
#include "src/core/tsi/transport_security.h"
#include "src/core/tsi/transport_security_interface.h"
#include "src/proto/grpc/gcp/altscontext.upb.h"
#include "src/proto/grpc/gcp/handshaker.upb.h"
 
#define TSI_ALTS_SERVICE_ACCOUNT_PEER_PROPERTY "service_account"
#define TSI_ALTS_CERTIFICATE_TYPE "ALTS"
#define TSI_ALTS_RPC_VERSIONS "rpc_versions"
#define TSI_ALTS_CONTEXT "alts_context"
 
const size_t kTsiAltsNumOfPeerProperties = 5;
 
// Frame size negotiation extends send frame size range to
// [kTsiAltsMinFrameSize, kTsiAltsMaxFrameSize].
const size_t kTsiAltsMinFrameSize = 16 * 1024;
const size_t kTsiAltsMaxFrameSize = 1024 * 1024;
 
typedef struct alts_tsi_handshaker alts_tsi_handshaker;
 
tsi_result alts_tsi_handshaker_create(
    const grpc_alts_credentials_options* options, const char* target_name,
    const char* handshaker_service_url, bool is_client,
    grpc_pollset_set* interested_parties, tsi_handshaker** self,
    size_t user_specified_max_frame_size);
 
tsi_result alts_tsi_handshaker_result_create(grpc_gcp_HandshakerResp* resp,
                                             bool is_client,
                                             tsi_handshaker_result** result);
 
void alts_tsi_handshaker_result_set_unused_bytes(tsi_handshaker_result* result,
                                                 grpc_slice* recv_bytes,
                                                 size_t bytes_consumed);
 
bool alts_tsi_handshaker_has_shutdown(alts_tsi_handshaker* handshaker);
 
#endif /* GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_TSI_HANDSHAKER_H */