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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "apply_bucket_diff_state.h"
#include "merge_bucket_info_syncer.h"
#include "persistenceutil.h"
#include <vespa/document/base/documentid.h>
#include <vespa/persistence/spi/result.h>
#include <vespa/storageapi/message/bucket.h>
#include <vespa/storage/common/messagesender.h>
#include <vespa/vespalib/stllike/asciistream.h>
using storage::spi::Result;
using vespalib::RetainGuard;
namespace storage {
class ApplyBucketDiffState::Deleter {
public:
void operator()(ApplyBucketDiffState *raw_state) const noexcept {
std::unique_ptr<ApplyBucketDiffState> state(raw_state);
raw_state->_merge_bucket_info_syncer.schedule_delayed_delete(std::move(state));
}
};
ApplyBucketDiffState::ApplyBucketDiffState(const MergeBucketInfoSyncer& merge_bucket_info_syncer, MergeHandlerMetrics& merge_handler_metrics, const framework::Clock& clock, const spi::Bucket& bucket, RetainGuard&& retain_guard)
: _merge_bucket_info_syncer(merge_bucket_info_syncer),
_merge_handler_metrics(merge_handler_metrics),
_start_time(clock),
_bucket(bucket),
_fail_message(),
_failed_flag(),
_stale_bucket_info(false),
_promise(),
_tracker(),
_delayed_reply(),
_sender(nullptr),
_op_metrics(nullptr),
_op_start_time(),
_retain_guard(std::move(retain_guard)),
_merge_start_time()
{
}
ApplyBucketDiffState::~ApplyBucketDiffState()
{
try {
sync_bucket_info();
} catch (std::exception& e) {
if (_fail_message.empty()) {
_fail_message = e.what();
}
}
_merge_handler_metrics.mergeDataWriteLatency.addValue(_start_time.getElapsedTimeAsDouble());
if (_merge_start_time.has_value()) {
_merge_handler_metrics.mergeLatencyTotal.addValue(_merge_start_time.value().getElapsedTimeAsDouble());
}
if (_promise.has_value()) {
_promise.value().set_value(_fail_message);
}
if (_delayed_reply) {
if (!_delayed_reply->getResult().failed() && !_fail_message.empty()) {
_delayed_reply->setResult(api::ReturnCode(api::ReturnCode::INTERNAL_FAILURE, _fail_message));
}
if (_sender) {
if (_op_metrics != nullptr) {
if (_delayed_reply->getResult().success()) {
if (_op_start_time.has_value()) {
_op_metrics->latency.addValue(_op_start_time.value().getElapsedTimeAsDouble());
}
} else {
_op_metrics->failed.inc();
}
}
_sender->sendReply(std::move(_delayed_reply));
} else {
// _tracker->_reply and _delayed_reply points to the same reply.
_tracker->sendReply();
}
}
}
void
ApplyBucketDiffState::on_entry_complete(std::unique_ptr<Result> result, const document::DocumentId &doc_id, const char *op)
{
if (result->hasError() && !_failed_flag.test_and_set()) {
vespalib::asciistream ss;
ss << "Failed " << op
<< " for " << doc_id.toString()
<< " in " << _bucket
<< ": " << result->toString();
_fail_message = ss.str();
}
}
void
ApplyBucketDiffState::mark_stale_bucket_info()
{
_stale_bucket_info = true;
}
void
ApplyBucketDiffState::sync_bucket_info()
{
if (_stale_bucket_info) {
_merge_bucket_info_syncer.sync_bucket_info(_bucket);
_stale_bucket_info = false;
}
}
std::future<vespalib::string>
ApplyBucketDiffState::get_future()
{
_promise = std::promise<vespalib::string>();
return _promise.value().get_future();
}
void
ApplyBucketDiffState::set_delayed_reply(std::unique_ptr<MessageTracker>&& tracker, std::shared_ptr<api::StorageReply>&& delayed_reply)
{
_tracker = std::move(tracker);
_delayed_reply = std::move(delayed_reply);
}
void
ApplyBucketDiffState::set_delayed_reply(std::unique_ptr<MessageTracker>&& tracker, MessageSender& sender, FileStorThreadMetrics::Op* op_metrics, const framework::MilliSecTimer& op_start_time, std::shared_ptr<api::StorageReply>&& delayed_reply)
{
_tracker = std::move(tracker);
_sender = &sender;
_op_metrics = op_metrics;
_op_start_time = op_start_time;
_delayed_reply = std::move(delayed_reply);
}
void
ApplyBucketDiffState::set_tracker(std::unique_ptr<MessageTracker>&& tracker)
{
_tracker = std::move(tracker);
}
void
ApplyBucketDiffState::set_merge_start_time(const framework::MilliSecTimer& merge_start_time)
{
_merge_start_time = merge_start_time;
}
std::shared_ptr<ApplyBucketDiffState>
ApplyBucketDiffState::create(const MergeBucketInfoSyncer& merge_bucket_info_syncer, MergeHandlerMetrics& merge_handler_metrics, const framework::Clock& clock, const spi::Bucket& bucket, RetainGuard&& retain_guard)
{
std::unique_ptr<ApplyBucketDiffState> state(new ApplyBucketDiffState(merge_bucket_info_syncer, merge_handler_metrics, clock, bucket, std::move(retain_guard)));
return std::shared_ptr<ApplyBucketDiffState>(state.release(), Deleter());
}
}
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