Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / tsi / alts / handshaker / 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/handshaker.upb.h"
+
+#define TSI_ALTS_SERVICE_ACCOUNT_PEER_PROPERTY "service_accont"
+#define TSI_ALTS_CERTIFICATE_TYPE "ALTS"
+#define TSI_ALTS_RPC_VERSIONS "rpc_versions"
+
+const size_t kTsiAltsNumOfPeerProperties = 3;
+
+typedef struct alts_tsi_handshaker alts_tsi_handshaker;
+
+/**
+ * This method creates a ALTS TSI handshaker instance.
+ *
+ * - options: ALTS credentials options containing information passed from TSI
+ *   caller (e.g., rpc protocol versions).
+ * - target_name: the name of the endpoint that the channel is connecting to,
+ *   and will be used for secure naming check.
+ * - handshaker_service_url: address of ALTS handshaker service in the format of
+ *   "host:port".
+ * - is_client: boolean value indicating if the handshaker is used at the client
+ *   (is_client = true) or server (is_client = false) side.
+ * - interested_parties: set of pollsets interested in this connection.
+ * - self: address of ALTS TSI handshaker instance to be returned from the
+ *   method.
+ *
+ * It returns TSI_OK on success and an error status code on failure. Note that
+ * if interested_parties is nullptr, a dedicated TSI thread will be created and
+ * used.
+ */
+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);
+
+/**
+ * This method creates an ALTS TSI handshaker result instance.
+ *
+ * - resp: data received from the handshaker service.
+ * - is_client: a boolean value indicating if the result belongs to a
+ *   client or not.
+ * - result: address of ALTS TSI handshaker result instance.
+ */
+tsi_result alts_tsi_handshaker_result_create(grpc_gcp_HandshakerResp* resp,
+                                             bool is_client,
+                                             tsi_handshaker_result** result);
+
+/**
+ * This method sets unused bytes of ALTS TSI handshaker result instance.
+ *
+ * - result: an ALTS TSI handshaker result instance.
+ * - recv_bytes: data received from the handshaker service.
+ * - bytes_consumed: size of data consumed by the handshaker service.
+ */
+void alts_tsi_handshaker_result_set_unused_bytes(tsi_handshaker_result* result,
+                                                 grpc_slice* recv_bytes,
+                                                 size_t bytes_consumed);
+
+/**
+ * This method returns a boolean value indicating if an ALTS TSI handshaker
+ * has been shutdown or not.
+ */
+bool alts_tsi_handshaker_has_shutdown(alts_tsi_handshaker* handshaker);
+
+#endif /* GRPC_CORE_TSI_ALTS_HANDSHAKER_ALTS_TSI_HANDSHAKER_H */