-
Notifications
You must be signed in to change notification settings - Fork 374
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
impl(bigtable): duplicate
AsyncRowSampler (#9221)
- Loading branch information
Showing
8 changed files
with
671 additions
and
10 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
124 changes: 124 additions & 0 deletions
124
google/cloud/bigtable/internal/legacy_async_row_sampler.cc
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| // Copyright 2022 Google LLC | ||
| // | ||
| // 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 | ||
| // | ||
| // https://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. | ||
|
|
||
| #include "google/cloud/bigtable/internal/legacy_async_row_sampler.h" | ||
| #include "google/cloud/grpc_error_delegate.h" | ||
| #include "absl/memory/memory.h" | ||
| #include <grpcpp/client_context.h> | ||
| #include <grpcpp/completion_queue.h> | ||
| #include <chrono> | ||
|
|
||
| namespace google { | ||
| namespace cloud { | ||
| namespace bigtable { | ||
| GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_BEGIN | ||
| namespace internal { | ||
|
|
||
| namespace btproto = ::google::bigtable::v2; | ||
|
|
||
| future<StatusOr<std::vector<RowKeySample>>> LegacyAsyncRowSampler::Create( | ||
| CompletionQueue cq, std::shared_ptr<DataClient> client, | ||
| std::unique_ptr<RPCRetryPolicy> rpc_retry_policy, | ||
| std::unique_ptr<RPCBackoffPolicy> rpc_backoff_policy, | ||
| MetadataUpdatePolicy metadata_update_policy, std::string app_profile_id, | ||
| std::string table_name) { | ||
| std::shared_ptr<LegacyAsyncRowSampler> sampler(new LegacyAsyncRowSampler( | ||
| std::move(cq), std::move(client), std::move(rpc_retry_policy), | ||
| std::move(rpc_backoff_policy), std::move(metadata_update_policy), | ||
| std::move(app_profile_id), std::move(table_name))); | ||
| sampler->StartIteration(); | ||
| return sampler->promise_.get_future(); | ||
| } | ||
|
|
||
| LegacyAsyncRowSampler::LegacyAsyncRowSampler( | ||
| CompletionQueue cq, std::shared_ptr<DataClient> client, | ||
| std::unique_ptr<RPCRetryPolicy> rpc_retry_policy, | ||
| std::unique_ptr<RPCBackoffPolicy> rpc_backoff_policy, | ||
| MetadataUpdatePolicy metadata_update_policy, std::string app_profile_id, | ||
| std::string table_name) | ||
| : cq_(std::move(cq)), | ||
| client_(std::move(client)), | ||
| rpc_retry_policy_(std::move(rpc_retry_policy)), | ||
| rpc_backoff_policy_(std::move(rpc_backoff_policy)), | ||
| metadata_update_policy_(std::move(metadata_update_policy)), | ||
| app_profile_id_(std::move(app_profile_id)), | ||
| table_name_(std::move(table_name)), | ||
| promise_([this] { stream_cancelled_ = true; }) {} | ||
|
|
||
| void LegacyAsyncRowSampler::StartIteration() { | ||
| btproto::SampleRowKeysRequest request; | ||
| request.set_app_profile_id(app_profile_id_); | ||
| request.set_table_name(table_name_); | ||
|
|
||
| auto context = absl::make_unique<grpc::ClientContext>(); | ||
| rpc_retry_policy_->Setup(*context); | ||
| rpc_backoff_policy_->Setup(*context); | ||
| metadata_update_policy_.Setup(*context); | ||
|
|
||
| auto client = client_; | ||
| auto self = this->shared_from_this(); | ||
| cq_.MakeStreamingReadRpc( | ||
| [client](grpc::ClientContext* context, | ||
| btproto::SampleRowKeysRequest const& request, | ||
| grpc::CompletionQueue* cq) { | ||
| return client->PrepareAsyncSampleRowKeys(context, request, cq); | ||
| }, | ||
| request, std::move(context), | ||
| [self](btproto::SampleRowKeysResponse response) { | ||
| return self->OnRead(std::move(response)); | ||
| }, | ||
| [self](Status const& status) { self->OnFinish(status); }); | ||
| } | ||
|
|
||
| future<bool> LegacyAsyncRowSampler::OnRead( | ||
| btproto::SampleRowKeysResponse response) { | ||
| if (stream_cancelled_) return make_ready_future(false); | ||
|
|
||
| RowKeySample row_sample; | ||
| row_sample.offset_bytes = response.offset_bytes(); | ||
| row_sample.row_key = std::move(*response.mutable_row_key()); | ||
| samples_.emplace_back(std::move(row_sample)); | ||
| return make_ready_future(true); | ||
| } | ||
|
|
||
| void LegacyAsyncRowSampler::OnFinish(Status const& status) { | ||
| if (status.ok()) { | ||
| promise_.set_value(std::move(samples_)); | ||
| return; | ||
| } | ||
| if (!rpc_retry_policy_->OnFailure(status)) { | ||
| promise_.set_value(std::move(status)); | ||
| return; | ||
| } | ||
|
|
||
| using TimerFuture = future<StatusOr<std::chrono::system_clock::time_point>>; | ||
|
|
||
| samples_.clear(); | ||
| auto self = this->shared_from_this(); | ||
| auto delay = rpc_backoff_policy_->OnCompletion(std::move(status)); | ||
| cq_.MakeRelativeTimer(delay).then([self](TimerFuture result) { | ||
| if (result.get()) { | ||
| self->StartIteration(); | ||
| } else { | ||
| self->promise_.set_value( | ||
| Status(StatusCode::kCancelled, "call cancelled")); | ||
| } | ||
| }); | ||
| } | ||
|
|
||
| } // namespace internal | ||
| GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_END | ||
| } // namespace bigtable | ||
| } // namespace cloud | ||
| } // namespace google |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| // Copyright 2022 Google LLC | ||
| // | ||
| // 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 | ||
| // | ||
| // https://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 GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_BIGTABLE_INTERNAL_LEGACY_ASYNC_ROW_SAMPLER_H | ||
| #define GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_BIGTABLE_INTERNAL_LEGACY_ASYNC_ROW_SAMPLER_H | ||
|
|
||
| #include "google/cloud/bigtable/completion_queue.h" | ||
| #include "google/cloud/bigtable/data_client.h" | ||
| #include "google/cloud/bigtable/metadata_update_policy.h" | ||
| #include "google/cloud/bigtable/row_key_sample.h" | ||
| #include "google/cloud/bigtable/rpc_backoff_policy.h" | ||
| #include "google/cloud/bigtable/rpc_retry_policy.h" | ||
| #include "google/cloud/bigtable/version.h" | ||
| #include "google/cloud/future_generic.h" | ||
| #include "google/cloud/status.h" | ||
| #include "google/cloud/status_or.h" | ||
| #include <google/bigtable/v2/bigtable.pb.h> | ||
| #include <memory> | ||
| #include <string> | ||
| #include <vector> | ||
|
|
||
| namespace google { | ||
| namespace cloud { | ||
| namespace bigtable { | ||
| GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_BEGIN | ||
| namespace internal { | ||
|
|
||
| /** | ||
| * Objects of this class represent the state of receiving row keys via | ||
| * AsyncSampleRows. | ||
| */ | ||
| class LegacyAsyncRowSampler | ||
| : public std::enable_shared_from_this<LegacyAsyncRowSampler> { | ||
| public: | ||
| static future<StatusOr<std::vector<RowKeySample>>> Create( | ||
| CompletionQueue cq, std::shared_ptr<DataClient> client, | ||
| std::unique_ptr<RPCRetryPolicy> rpc_retry_policy, | ||
| std::unique_ptr<RPCBackoffPolicy> rpc_backoff_policy, | ||
| MetadataUpdatePolicy metadata_update_policy, std::string app_profile_id, | ||
| std::string table_name); | ||
|
|
||
| private: | ||
| LegacyAsyncRowSampler(CompletionQueue cq, std::shared_ptr<DataClient> client, | ||
| std::unique_ptr<RPCRetryPolicy> rpc_retry_policy, | ||
| std::unique_ptr<RPCBackoffPolicy> rpc_backoff_policy, | ||
| MetadataUpdatePolicy metadata_update_policy, | ||
| std::string app_profile_id, std::string table_name); | ||
|
|
||
| void StartIteration(); | ||
| future<bool> OnRead(google::bigtable::v2::SampleRowKeysResponse response); | ||
| void OnFinish(Status const& status); | ||
|
|
||
| CompletionQueue cq_; | ||
| std::shared_ptr<DataClient> client_; | ||
| std::unique_ptr<RPCRetryPolicy> rpc_retry_policy_; | ||
| std::unique_ptr<RPCBackoffPolicy> rpc_backoff_policy_; | ||
| MetadataUpdatePolicy metadata_update_policy_; | ||
| std::string app_profile_id_; | ||
| std::string table_name_; | ||
|
|
||
| bool stream_cancelled_ = false; | ||
| std::vector<RowKeySample> samples_; | ||
| promise<StatusOr<std::vector<RowKeySample>>> promise_; | ||
| }; | ||
|
|
||
| } // namespace internal | ||
| GOOGLE_CLOUD_CPP_INLINE_NAMESPACE_END | ||
| } // namespace bigtable | ||
| } // namespace cloud | ||
| } // namespace google | ||
|
|
||
| #endif // GOOGLE_CLOUD_CPP_GOOGLE_CLOUD_BIGTABLE_INTERNAL_LEGACY_ASYNC_ROW_SAMPLER_H |
Oops, something went wrong.