Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / grpc-cloned / deps / grpc / src / core / ext / filters / client_channel / client_channel_channelz.h

diff --git a/legacy-libs/grpc-cloned/deps/grpc/src/core/ext/filters/client_channel/client_channel_channelz.h b/legacy-libs/grpc-cloned/deps/grpc/src/core/ext/filters/client_channel/client_channel_channelz.h
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+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * 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
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ *
+ */
+
+#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_CHANNELZ_H
+#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_CHANNELZ_H
+
+#include <grpc/support/port_platform.h>
+
+#include "src/core/lib/channel/channel_args.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/channel_trace.h"
+#include "src/core/lib/channel/channelz.h"
+
+namespace grpc_core {
+
+class Subchannel;
+
+namespace channelz {
+
+class SubchannelNode : public BaseNode {
+ public:
+  SubchannelNode(const char* target_address, size_t channel_tracer_max_nodes);
+  ~SubchannelNode() override;
+
+  // Sets the subchannel's connectivity state without health checking.
+  void UpdateConnectivityState(grpc_connectivity_state state);
+
+  // Used when the subchannel's child socket changes. This should be set when
+  // the subchannel's transport is created and set to nullptr when the
+  // subchannel unrefs the transport.
+  void SetChildSocket(RefCountedPtr<SocketNode> socket);
+
+  grpc_json* RenderJson() override;
+
+  // proxy methods to composed classes.
+  void AddTraceEvent(ChannelTrace::Severity severity, const grpc_slice& data) {
+    trace_.AddTraceEvent(severity, data);
+  }
+  void AddTraceEventWithReference(ChannelTrace::Severity severity,
+                                  const grpc_slice& data,
+                                  RefCountedPtr<BaseNode> referenced_channel) {
+    trace_.AddTraceEventWithReference(severity, data,
+                                      std::move(referenced_channel));
+  }
+  void RecordCallStarted() { call_counter_.RecordCallStarted(); }
+  void RecordCallFailed() { call_counter_.RecordCallFailed(); }
+  void RecordCallSucceeded() { call_counter_.RecordCallSucceeded(); }
+
+ private:
+  void PopulateConnectivityState(grpc_json* json);
+
+  Atomic<grpc_connectivity_state> connectivity_state_{GRPC_CHANNEL_IDLE};
+  Mutex socket_mu_;
+  RefCountedPtr<SocketNode> child_socket_;
+  UniquePtr<char> target_;
+  CallCountingHelper call_counter_;
+  ChannelTrace trace_;
+};
+
+}  // namespace channelz
+}  // namespace grpc_core
+
+#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_CLIENT_CHANNEL_CHANNELZ_H */