1 /* 2 * 3 * Copyright 2017 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_CORE_LIB_SURFACE_VALIDATE_METADATA_H 20 #define GRPC_CORE_LIB_SURFACE_VALIDATE_METADATA_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include <cstring> 25 26 #include <grpc/slice.h> 27 28 #include "src/core/lib/iomgr/error.h" 29 30 grpc_error* grpc_validate_header_key_is_legal(const grpc_slice& slice); 31 grpc_error* grpc_validate_header_nonbin_value_is_legal(const grpc_slice& slice); 32 33 int grpc_is_binary_header_internal(const grpc_slice& slice); grpc_key_is_binary_header(const uint8_t * buf,size_t length)34inline int grpc_key_is_binary_header(const uint8_t* buf, size_t length) { 35 if (length < 5) return 0; 36 return 0 == memcmp(buf + length - 4, "-bin", 4); 37 } grpc_is_refcounted_slice_binary_header(const grpc_slice & slice)38inline int grpc_is_refcounted_slice_binary_header(const grpc_slice& slice) { 39 GPR_DEBUG_ASSERT(slice.refcount != nullptr); 40 return grpc_key_is_binary_header(slice.data.refcounted.bytes, 41 slice.data.refcounted.length); 42 } 43 44 #endif /* GRPC_CORE_LIB_SURFACE_VALIDATE_METADATA_H */ 45