| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| #include "src/core/client_config/lb_policy.h" |
| |
| void |
| grpc_lb_policy_init (grpc_lb_policy * policy, const grpc_lb_policy_vtable * vtable) |
| { |
| policy->vtable = vtable; |
| gpr_ref_init (&policy->refs, 1); |
| } |
| |
| #ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG |
| void |
| grpc_lb_policy_ref (grpc_lb_policy * policy, const char *file, int line, const char *reason) |
| { |
| gpr_log (file, line, GPR_LOG_SEVERITY_DEBUG, "LB_POLICY:%p ref %d -> %d %s", policy, (int) policy->refs.count, (int) policy->refs.count + 1, reason); |
| #else |
| void |
| grpc_lb_policy_ref (grpc_lb_policy * policy) |
| { |
| #endif |
| gpr_ref (&policy->refs); |
| } |
| |
| #ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG |
| void |
| grpc_lb_policy_unref (grpc_lb_policy * policy, grpc_closure_list * closure_list, const char *file, int line, const char *reason) |
| { |
| gpr_log (file, line, GPR_LOG_SEVERITY_DEBUG, "LB_POLICY:%p unref %d -> %d %s", policy, (int) policy->refs.count, (int) policy->refs.count - 1, reason); |
| #else |
| void |
| grpc_lb_policy_unref (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy) |
| { |
| #endif |
| if (gpr_unref (&policy->refs)) |
| { |
| policy->vtable->destroy (exec_ctx, policy); |
| } |
| } |
| |
| void |
| grpc_lb_policy_shutdown (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy) |
| { |
| policy->vtable->shutdown (exec_ctx, policy); |
| } |
| |
| void |
| grpc_lb_policy_pick (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy, grpc_pollset * pollset, grpc_metadata_batch * initial_metadata, grpc_subchannel ** target, grpc_closure * on_complete) |
| { |
| policy->vtable->pick (exec_ctx, policy, pollset, initial_metadata, target, on_complete); |
| } |
| |
| void |
| grpc_lb_policy_broadcast (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy, grpc_transport_op * op) |
| { |
| policy->vtable->broadcast (exec_ctx, policy, op); |
| } |
| |
| void |
| grpc_lb_policy_exit_idle (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy) |
| { |
| policy->vtable->exit_idle (exec_ctx, policy); |
| } |
| |
| void |
| grpc_lb_policy_notify_on_state_change (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy, grpc_connectivity_state * state, grpc_closure * closure) |
| { |
| policy->vtable->notify_on_state_change (exec_ctx, policy, state, closure); |
| } |
| |
| grpc_connectivity_state |
| grpc_lb_policy_check_connectivity (grpc_exec_ctx * exec_ctx, grpc_lb_policy * policy) |
| { |
| return policy->vtable->check_connectivity (exec_ctx, policy); |
| } |