1 /* 2 * 3 * Copyright 2016 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_TRANSPORT_ERROR_UTILS_H 20 #define GRPC_CORE_LIB_TRANSPORT_ERROR_UTILS_H 21 22 #include <grpc/support/port_platform.h> 23 24 #include "src/core/lib/iomgr/error.h" 25 #include "src/core/lib/iomgr/exec_ctx.h" 26 #include "src/core/lib/transport/http2_errors.h" 27 28 /// A utility function to get the status code and message to be returned 29 /// to the application. If not set in the top-level message, looks 30 /// through child errors until it finds the first one with these attributes. 31 /// All attributes are pulled from the same child error. error_string will 32 /// be populated with the entire error string. If any of the attributes (code, 33 /// msg, http_status, error_string) are unneeded, they can be passed as 34 /// NULL. 35 void grpc_error_get_status(grpc_error* error, grpc_millis deadline, 36 grpc_status_code* code, grpc_slice* slice, 37 grpc_http2_error_code* http_status, 38 const char** error_string); 39 40 /// A utility function to check whether there is a clear status code that 41 /// doesn't need to be guessed in \a error. This means that \a error or some 42 /// child has GRPC_ERROR_INT_GRPC_STATUS set, or that it is GRPC_ERROR_NONE or 43 /// GRPC_ERROR_CANCELLED 44 bool grpc_error_has_clear_grpc_status(grpc_error* error); 45 46 #endif /* GRPC_CORE_LIB_TRANSPORT_ERROR_UTILS_H */ 47