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Diffstat (limited to 'src/core/ext/filters/client_channel/lb_policy.h')
-rw-r--r--src/core/ext/filters/client_channel/lb_policy.h51
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 */