/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_CORE_DEBUG_DEBUG_GRPC_TESTLIB_H_
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#define TENSORFLOW_CORE_DEBUG_DEBUG_GRPC_TESTLIB_H_
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#include <atomic>
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#include <unordered_set>
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#include "grpcpp/grpcpp.h"
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#include "tensorflow/core/debug/debug_io_utils.h"
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#include "tensorflow/core/debug/debug_service.grpc.pb.h"
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#include "tensorflow/core/framework/tensor.h"
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#include "tensorflow/core/platform/mutex.h"
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namespace tensorflow {
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namespace test {
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class TestEventListenerImpl final : public EventListener::Service {
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public:
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TestEventListenerImpl() : stop_requested_(false), stopped_(false) {}
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void RunServer(const int server_port);
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void StopServer();
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::grpc::Status SendEvents(
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::grpc::ServerContext* context,
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::grpc::ServerReaderWriter< ::tensorflow::EventReply,
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::tensorflow::Event>* stream);
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// Clear debug data (e.g., Tensors) received so far.
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void ClearReceivedDebugData();
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void RequestDebugOpStateChangeAtNextStream(
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const EventReply::DebugOpStateChange::State new_state,
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const DebugNodeKey& debug_node_key);
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std::vector<string> debug_metadata_strings;
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std::vector<string> encoded_graph_defs;
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std::vector<string> device_names;
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std::vector<string> node_names;
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std::vector<int32> output_slots;
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std::vector<string> debug_ops;
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std::vector<Tensor> debug_tensors;
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private:
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std::atomic_bool stop_requested_;
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std::atomic_bool stopped_;
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std::vector<DebugNodeKey> debug_node_keys_ GUARDED_BY(states_mu_);
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std::vector<EventReply::DebugOpStateChange::State> new_states_
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GUARDED_BY(states_mu_);
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std::unordered_set<DebugNodeKey> write_enabled_debug_node_keys_;
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mutex states_mu_;
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};
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// Poll a gRPC debug server by sending a small tensor repeatedly till success.
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//
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// Args:
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// server_url: gRPC URL of the server to poll, e.g., "grpc://foo:3333".
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// max_attempts: Maximum number of attempts.
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//
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// Returns:
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// Whether the polling succeeded within max_attempts.
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bool PollTillFirstRequestSucceeds(const string& server_url,
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const size_t max_attempts);
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} // namespace test
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} // namespace tensorflow
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#endif // TENSORFLOW_CORE_DEBUG_DEBUG_GRPC_TESTLIB_H_
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