diff options
Diffstat (limited to 'src/core/ext/filters/client_channel/lb_policy.h')
-rw-r--r-- | src/core/ext/filters/client_channel/lb_policy.h | 51 |
1 files changed, 24 insertions, 27 deletions
diff --git a/src/core/ext/filters/client_channel/lb_policy.h b/src/core/ext/filters/client_channel/lb_policy.h index fb4aa084a6..645d51e138 100644 --- a/src/core/ext/filters/client_channel/lb_policy.h +++ b/src/core/ext/filters/client_channel/lb_policy.h @@ -1,33 +1,18 @@ /* * - * Copyright 2015, Google Inc. - * All rights reserved. + * Copyright 2015 gRPC authors. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * * 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. + * http://www.apache.org/licenses/LICENSE-2.0 * - * 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. + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * */ @@ -42,6 +27,11 @@ is expected to be extended to contain some parameters) */ typedef struct grpc_lb_policy grpc_lb_policy; typedef struct grpc_lb_policy_vtable grpc_lb_policy_vtable; +typedef struct grpc_lb_policy_args grpc_lb_policy_args; + +#ifndef NDEBUG +extern grpc_tracer_flag grpc_trace_lb_policy_refcount; +#endif struct grpc_lb_policy { const grpc_lb_policy_vtable *vtable; @@ -105,10 +95,12 @@ struct grpc_lb_policy_vtable { grpc_lb_policy *policy, grpc_connectivity_state *state, grpc_closure *closure); + + void (*update_locked)(grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, + const grpc_lb_policy_args *args); }; -/*#define GRPC_LB_POLICY_REFCOUNT_DEBUG*/ -#ifdef GRPC_LB_POLICY_REFCOUNT_DEBUG +#ifndef NDEBUG /* Strong references: the policy will shutdown when they reach zero */ #define GRPC_LB_POLICY_REF(p, r) \ @@ -207,4 +199,9 @@ grpc_connectivity_state grpc_lb_policy_check_connectivity_locked( grpc_exec_ctx *exec_ctx, grpc_lb_policy *policy, grpc_error **connectivity_error); +/** Update \a policy with \a lb_policy_args. */ +void grpc_lb_policy_update_locked(grpc_exec_ctx *exec_ctx, + grpc_lb_policy *policy, + const grpc_lb_policy_args *lb_policy_args); + #endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_H */ |