| // |
| // |
| // Copyright 2015 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_SRC_CORE_LIB_SURFACE_API_TRACE_H |
| #define GRPC_SRC_CORE_LIB_SURFACE_API_TRACE_H |
| |
| #include <grpc/support/port_platform.h> |
| |
| #include <grpc/support/log.h> |
| |
| #include "src/core/lib/debug/trace.h" |
| |
| extern grpc_core::TraceFlag grpc_api_trace; |
| |
| // Provide unwrapping macros because we're in C89 and variadic macros weren't |
| // introduced until C99... |
| #define GRPC_API_TRACE_UNWRAP0() |
| #define GRPC_API_TRACE_UNWRAP1(a) , a |
| #define GRPC_API_TRACE_UNWRAP2(a, b) , a, b |
| #define GRPC_API_TRACE_UNWRAP3(a, b, c) , a, b, c |
| #define GRPC_API_TRACE_UNWRAP4(a, b, c, d) , a, b, c, d |
| #define GRPC_API_TRACE_UNWRAP5(a, b, c, d, e) , a, b, c, d, e |
| #define GRPC_API_TRACE_UNWRAP6(a, b, c, d, e, f) , a, b, c, d, e, f |
| #define GRPC_API_TRACE_UNWRAP7(a, b, c, d, e, f, g) , a, b, c, d, e, f, g |
| #define GRPC_API_TRACE_UNWRAP8(a, b, c, d, e, f, g, h) , a, b, c, d, e, f, g, h |
| #define GRPC_API_TRACE_UNWRAP9(a, b, c, d, e, f, g, h, i) \ |
| , a, b, c, d, e, f, g, h, i |
| #define GRPC_API_TRACE_UNWRAP10(a, b, c, d, e, f, g, h, i, j) \ |
| , a, b, c, d, e, f, g, h, i, j |
| |
| // Due to the limitations of C89's preprocessor, the arity of the var-arg list |
| // 'nargs' must be specified. |
| #define GRPC_API_TRACE(fmt, nargs, args) \ |
| if (GRPC_TRACE_FLAG_ENABLED(grpc_api_trace)) { \ |
| gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \ |
| } |
| |
| #endif // GRPC_SRC_CORE_LIB_SURFACE_API_TRACE_H |