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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_LIB_CHANNEL_CHANNELZ_H
#define GRPC_CORE_LIB_CHANNEL_CHANNELZ_H
#include <grpc/impl/codegen/port_platform.h>
#include <grpc/grpc.h>
#include "src/core/ext/filters/client_channel/client_channel.h"
#include "src/core/lib/gprpp/ref_counted.h"
#include "src/core/lib/gprpp/ref_counted_ptr.h"
#include "src/core/lib/iomgr/error.h"
#include "src/core/lib/json/json.h"
namespace grpc_core {
namespace channelz {
// owned by the client_channel that it points to and tracks
class Channel : public RefCounted<Channel> {
public:
Channel(grpc_channel* channel);
~Channel();
void CallStarted();
void CallFailed() { calls_failed_++; }
void CallSucceeded() { calls_succeeded_++; }
char* RenderJSON();
void set_channel_destroyed() {
GPR_ASSERT(!channel_destroyed_);
channel_destroyed_ = true;
}
private:
bool channel_destroyed_ = false;
grpc_channel* channel_;
const char* target_;
uint64_t calls_started_ = 0;
uint64_t calls_succeeded_ = 0;
uint64_t calls_failed_ = 0;
gpr_timespec last_call_started_timestamp_;
intptr_t channel_uuid_;
grpc_connectivity_state GetConnectivityState();
};
} // namespace channelz
} // namespace grpc_core
#endif /* GRPC_CORE_LIB_CHANNEL_CHANNELZ_H */
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