Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
David Garcia Quintas | 3598d44 | 2016-03-15 14:53:05 -0700 | [diff] [blame] | 3 | * Copyright 2015-2016, Google Inc. |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions are |
| 8 | * met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above |
| 13 | * copyright notice, this list of conditions and the following disclaimer |
| 14 | * in the documentation and/or other materials provided with the |
| 15 | * distribution. |
| 16 | * * Neither the name of Google Inc. nor the names of its |
| 17 | * contributors may be used to endorse or promote products derived from |
| 18 | * this software without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
Craig Tiller | 9a4dddd | 2016-03-25 17:08:13 -0700 | [diff] [blame] | 34 | #ifndef GRPC_CORE_LIB_SURFACE_API_TRACE_H |
| 35 | #define GRPC_CORE_LIB_SURFACE_API_TRACE_H |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 36 | |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 37 | #include <grpc/support/log.h> |
Craig Tiller | f40df23 | 2016-03-25 13:38:14 -0700 | [diff] [blame] | 38 | #include "src/core/debug/trace.h" |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 39 | |
| 40 | extern int grpc_api_trace; |
| 41 | |
| 42 | /* Provide unwrapping macros because we're in C89 and variadic macros weren't |
| 43 | introduced until C99... */ |
| 44 | #define GRPC_API_TRACE_UNWRAP0() |
| 45 | #define GRPC_API_TRACE_UNWRAP1(a) , a |
| 46 | #define GRPC_API_TRACE_UNWRAP2(a, b) , a, b |
| 47 | #define GRPC_API_TRACE_UNWRAP3(a, b, c) , a, b, c |
| 48 | #define GRPC_API_TRACE_UNWRAP4(a, b, c, d) , a, b, c, d |
| 49 | #define GRPC_API_TRACE_UNWRAP5(a, b, c, d, e) , a, b, c, d, e |
| 50 | #define GRPC_API_TRACE_UNWRAP6(a, b, c, d, e, f) , a, b, c, d, e, f |
| 51 | #define GRPC_API_TRACE_UNWRAP7(a, b, c, d, e, f, g) , a, b, c, d, e, f, g |
| 52 | #define GRPC_API_TRACE_UNWRAP8(a, b, c, d, e, f, g, h) , a, b, c, d, e, f, g, h |
| 53 | #define GRPC_API_TRACE_UNWRAP9(a, b, c, d, e, f, g, h, i) \ |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 54 | , a, b, c, d, e, f, g, h, i |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 55 | #define GRPC_API_TRACE_UNWRAP10(a, b, c, d, e, f, g, h, i, j) \ |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 56 | , a, b, c, d, e, f, g, h, i, j |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 57 | |
| 58 | /* Due to the limitations of C89's preprocessor, the arity of the var-arg list |
| 59 | 'nargs' must be specified. */ |
Craig Tiller | 4de3e4f | 2015-10-05 08:55:50 -0700 | [diff] [blame] | 60 | #define GRPC_API_TRACE(fmt, nargs, args) \ |
| 61 | if (grpc_api_trace) { \ |
| 62 | gpr_log(GPR_INFO, fmt GRPC_API_TRACE_UNWRAP##nargs args); \ |
| 63 | } |
Masood Malekghassemi | 76c3d74 | 2015-08-19 18:22:53 -0700 | [diff] [blame] | 64 | |
Craig Tiller | 9a4dddd | 2016-03-25 17:08:13 -0700 | [diff] [blame] | 65 | #endif /* GRPC_CORE_LIB_SURFACE_API_TRACE_H */ |