Craig Tiller | af69180 | 2015-06-23 14:57:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * |
Craig Tiller | 6169d5f | 2016-03-31 07:46:18 -0700 | [diff] [blame] | 3 | * Copyright 2015, Google Inc. |
Craig Tiller | af69180 | 2015-06-23 14:57:07 -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 | 9533d04 | 2016-03-25 17:11:06 -0700 | [diff] [blame] | 34 | #include "src/core/lib/client_config/resolver.h" |
Craig Tiller | 7c0b4d7 | 2015-06-25 14:44:44 -0700 | [diff] [blame] | 35 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 36 | void grpc_resolver_init(grpc_resolver *resolver, |
| 37 | const grpc_resolver_vtable *vtable) { |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 38 | resolver->vtable = vtable; |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 39 | gpr_ref_init(&resolver->refs, 1); |
Craig Tiller | 7c0b4d7 | 2015-06-25 14:44:44 -0700 | [diff] [blame] | 40 | } |
| 41 | |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 42 | #ifdef GRPC_RESOLVER_REFCOUNT_DEBUG |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 43 | void grpc_resolver_ref(grpc_resolver *resolver, grpc_closure_list *closure_list, |
| 44 | const char *file, int line, const char *reason) { |
| 45 | gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "RESOLVER:%p ref %d -> %d %s", |
| 46 | resolver, (int)resolver->refs.count, (int)resolver->refs.count + 1, |
| 47 | reason); |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 48 | #else |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 49 | void grpc_resolver_ref(grpc_resolver *resolver) { |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 50 | #endif |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 51 | gpr_ref(&resolver->refs); |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | #ifdef GRPC_RESOLVER_REFCOUNT_DEBUG |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 55 | void grpc_resolver_unref(grpc_resolver *resolver, |
| 56 | grpc_closure_list *closure_list, const char *file, |
| 57 | int line, const char *reason) { |
| 58 | gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "RESOLVER:%p unref %d -> %d %s", |
| 59 | resolver, (int)resolver->refs.count, (int)resolver->refs.count - 1, |
| 60 | reason); |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 61 | #else |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 62 | void grpc_resolver_unref(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) { |
Craig Tiller | 9846503 | 2015-06-29 14:36:42 -0700 | [diff] [blame] | 63 | #endif |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 64 | if (gpr_unref(&resolver->refs)) { |
| 65 | resolver->vtable->destroy(exec_ctx, resolver); |
| 66 | } |
Craig Tiller | 7c0b4d7 | 2015-06-25 14:44:44 -0700 | [diff] [blame] | 67 | } |
| 68 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 69 | void grpc_resolver_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) { |
| 70 | resolver->vtable->shutdown(exec_ctx, resolver); |
Craig Tiller | 7c0b4d7 | 2015-06-25 14:44:44 -0700 | [diff] [blame] | 71 | } |
| 72 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 73 | void grpc_resolver_channel_saw_error(grpc_exec_ctx *exec_ctx, |
Craig Tiller | cb2609f | 2015-11-24 17:19:19 -0800 | [diff] [blame] | 74 | grpc_resolver *resolver) { |
| 75 | resolver->vtable->channel_saw_error(exec_ctx, resolver); |
Craig Tiller | 7c0b4d7 | 2015-06-25 14:44:44 -0700 | [diff] [blame] | 76 | } |
| 77 | |
Craig Tiller | a82950e | 2015-09-22 12:33:20 -0700 | [diff] [blame] | 78 | void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver, |
| 79 | grpc_client_config **target_config, |
| 80 | grpc_closure *on_complete) { |
| 81 | resolver->vtable->next(exec_ctx, resolver, target_config, on_complete); |
Craig Tiller | 7c0b4d7 | 2015-06-25 14:44:44 -0700 | [diff] [blame] | 82 | } |