Line data    Source code

       1             : /*
       2             :  *
       3             :  * Copyright 2015, Google Inc.
       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             : 
      34             : #include "src/core/client_config/resolver.h"
      35             : 
      36        2791 : void grpc_resolver_init(grpc_resolver *resolver,
      37             :                         const grpc_resolver_vtable *vtable) {
      38        2791 :   resolver->vtable = vtable;
      39        2791 :   gpr_ref_init(&resolver->refs, 1);
      40        2791 : }
      41             : 
      42             : #ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
      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);
      48             : #else
      49        6680 : void grpc_resolver_ref(grpc_resolver *resolver) {
      50             : #endif
      51        6680 :   gpr_ref(&resolver->refs);
      52        6680 : }
      53             : 
      54             : #ifdef GRPC_RESOLVER_REFCOUNT_DEBUG
      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);
      61             : #else
      62        9428 : void grpc_resolver_unref(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
      63             : #endif
      64        9428 :   if (gpr_unref(&resolver->refs)) {
      65        2748 :     resolver->vtable->destroy(exec_ctx, resolver);
      66             :   }
      67        9428 : }
      68             : 
      69        2748 : void grpc_resolver_shutdown(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver) {
      70        2748 :   resolver->vtable->shutdown(exec_ctx, resolver);
      71        2748 : }
      72             : 
      73           0 : void grpc_resolver_channel_saw_error(grpc_exec_ctx *exec_ctx,
      74             :                                      grpc_resolver *resolver,
      75             :                                      struct sockaddr *failing_address,
      76             :                                      int failing_address_len) {
      77           0 :   resolver->vtable->channel_saw_error(exec_ctx, resolver, failing_address,
      78             :                                       failing_address_len);
      79           0 : }
      80             : 
      81        4574 : void grpc_resolver_next(grpc_exec_ctx *exec_ctx, grpc_resolver *resolver,
      82             :                         grpc_client_config **target_config,
      83             :                         grpc_closure *on_complete) {
      84        4574 :   resolver->vtable->next(exec_ctx, resolver, target_config, on_complete);
      85        4574 : }