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/lb_policy.h"
      35             : 
      36        1445 : void grpc_lb_policy_init(grpc_lb_policy *policy,
      37             :                          const grpc_lb_policy_vtable *vtable) {
      38        1445 :   policy->vtable = vtable;
      39        1445 :   gpr_ref_init(&policy->refs, 1);
      40        1445 : }
      41             : 
      42             : #ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
      43             : void grpc_lb_policy_ref(grpc_lb_policy *policy, const char *file, int line,
      44             :                         const char *reason) {
      45             :   gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "LB_POLICY:%p   ref %d -> %d %s",
      46             :           policy, (int)policy->refs.count, (int)policy->refs.count + 1, reason);
      47             : #else
      48     1409628 : void grpc_lb_policy_ref(grpc_lb_policy *policy) {
      49             : #endif
      50     1409628 :   gpr_ref(&policy->refs);
      51     1410747 : }
      52             : 
      53             : #ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG
      54             : void grpc_lb_policy_unref(grpc_lb_policy *policy,
      55             :                           grpc_closure_list *closure_list, const char *file,
      56             :                           int line, const char *reason) {
      57             :   gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "LB_POLICY:%p unref %d -> %d %s",
      58             :           policy, (int)policy->refs.count, (int)policy->refs.count - 1, reason);
      59             : #else
      60     1412195 : void grpc_lb_policy_unref(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
      61             : #endif
      62     1412195 :   if (gpr_unref(&policy->refs)) {
      63        1445 :     policy->vtable->destroy(exec_ctx, policy);
      64             :   }
      65     1412205 : }
      66             : 
      67        1386 : void grpc_lb_policy_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
      68        1386 :   policy->vtable->shutdown(exec_ctx, policy);
      69        1386 : }
      70             : 
      71     1402382 : void grpc_lb_policy_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
      72             :                          grpc_pollset *pollset,
      73             :                          grpc_metadata_batch *initial_metadata,
      74             :                          grpc_subchannel **target, grpc_closure *on_complete) {
      75     1402382 :   policy->vtable->pick(exec_ctx, policy, pollset, initial_metadata, target,
      76             :                        on_complete);
      77     1402380 : }
      78             : 
      79        1386 : void grpc_lb_policy_broadcast(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy,
      80             :                               grpc_transport_op *op) {
      81        1386 :   policy->vtable->broadcast(exec_ctx, policy, op);
      82        1386 : }
      83             : 
      84          17 : void grpc_lb_policy_exit_idle(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
      85          17 :   policy->vtable->exit_idle(exec_ctx, policy);
      86          17 : }
      87             : 
      88        5592 : void grpc_lb_policy_notify_on_state_change(grpc_exec_ctx *exec_ctx,
      89             :                                            grpc_lb_policy *policy,
      90             :                                            grpc_connectivity_state *state,
      91             :                                            grpc_closure *closure) {
      92        5592 :   policy->vtable->notify_on_state_change(exec_ctx, policy, state, closure);
      93        5592 : }
      94             : 
      95        1386 : grpc_connectivity_state grpc_lb_policy_check_connectivity(
      96             :     grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy) {
      97        1386 :   return policy->vtable->check_connectivity(exec_ctx, policy);
      98             : }