Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / tsi / transport_security_grpc.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/tsi/transport_security_grpc.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/tsi/transport_security_grpc.h
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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.
+ *
+ */
+
+#ifndef GRPC_CORE_TSI_TRANSPORT_SECURITY_GRPC_H
+#define GRPC_CORE_TSI_TRANSPORT_SECURITY_GRPC_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/slice_buffer.h>
+#include "src/core/tsi/transport_security.h"
+
+/* This method creates a tsi_zero_copy_grpc_protector object. It return TSI_OK
+   assuming there is no fatal error.
+   The caller is responsible for destroying the protector.  */
+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);
+
+/* -- tsi_zero_copy_grpc_protector object --  */
+
+/* Outputs protected frames.
+   - unprotected_slices is the unprotected data to be protected.
+   - protected_slices is the protected output frames. One or more frames
+     may be produced in this protect function.
+   - This method returns TSI_OK in case of success or a specific error code in
+     case of failure.  */
+tsi_result tsi_zero_copy_grpc_protector_protect(
+    tsi_zero_copy_grpc_protector* self, grpc_slice_buffer* unprotected_slices,
+    grpc_slice_buffer* protected_slices);
+
+/* Outputs unprotected bytes.
+   - protected_slices is the bytes of protected frames.
+   - unprotected_slices is the unprotected output data.
+   - This method returns TSI_OK in case of success. Success includes cases where
+     there is not enough data to output in which case unprotected_slices has 0
+     bytes.  */
+tsi_result tsi_zero_copy_grpc_protector_unprotect(
+    tsi_zero_copy_grpc_protector* self, grpc_slice_buffer* protected_slices,
+    grpc_slice_buffer* unprotected_slices);
+
+/* Destroys the tsi_zero_copy_grpc_protector object.  */
+void tsi_zero_copy_grpc_protector_destroy(tsi_zero_copy_grpc_protector* self);
+
+/* Base for tsi_zero_copy_grpc_protector implementations.  */
+typedef struct {
+  tsi_result (*protect)(tsi_zero_copy_grpc_protector* self,
+                        grpc_slice_buffer* unprotected_slices,
+                        grpc_slice_buffer* protected_slices);
+  tsi_result (*unprotect)(tsi_zero_copy_grpc_protector* self,
+                          grpc_slice_buffer* protected_slices,
+                          grpc_slice_buffer* unprotected_slices);
+  void (*destroy)(tsi_zero_copy_grpc_protector* self);
+} tsi_zero_copy_grpc_protector_vtable;
+
+struct tsi_zero_copy_grpc_protector {
+  const tsi_zero_copy_grpc_protector_vtable* vtable;
+};
+
+#endif /* GRPC_CORE_TSI_TRANSPORT_SECURITY_GRPC_H */