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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "storage_api_rpc_bm_feed_handler.h"
#include "pending_tracker.h"
#include <vespa/document/fieldvalue/document.h>
#include <vespa/document/update/documentupdate.h>
#include <vespa/documentapi/loadtypes/loadtypeset.h>
#include <vespa/storageapi/messageapi/storagemessage.h>
#include <vespa/storageapi/message/persistence.h>
#include <vespa/storage/storageserver/message_dispatcher.h>
#include <vespa/storage/storageserver/rpc/caching_rpc_target_resolver.h>
#include <vespa/storage/storageserver/rpc/message_codec_provider.h>
#include <vespa/storage/storageserver/rpc/shared_rpc_resources.h>
#include <vespa/storage/storageserver/rpc/slime_cluster_state_bundle_codec.h>
#include <vespa/storage/storageserver/rpc/storage_api_rpc_service.h>
#include <vespa/vespalib/stllike/hash_map.h>
#include <vespa/vespalib/stllike/hash_map.hpp>
#include <vespa/vdslib/state/clusterstate.h>
#include <vespa/vdslib/state/cluster_state_bundle.h>
#include <vespa/fnet/frt/target.h>
#include <vespa/slobrok/sbmirror.h>
#include <cassert>
using document::Document;
using document::DocumentId;
using document::DocumentUpdate;
using document::DocumentTypeRepo;
using storage::api::StorageMessageAddress;
using storage::rpc::SharedRpcResources;
namespace feedbm {
namespace {
FRT_RPCRequest *make_set_cluster_state_request() {
storage::lib::ClusterStateBundle bundle(storage::lib::ClusterState("version:2 distributor:1 storage:1"));
storage::rpc::SlimeClusterStateBundleCodec codec;
auto encoded_bundle = codec.encode(bundle);
auto *req = new FRT_RPCRequest();
auto* params = req->GetParams();
params->AddInt8(static_cast<uint8_t>(encoded_bundle._compression_type));
params->AddInt32(encoded_bundle._uncompressed_length);
const auto buf_len = encoded_bundle._buffer->getDataLen();
params->AddData(encoded_bundle._buffer->stealBuffer(), buf_len);
req->SetMethodName("setdistributionstates");
return req;
}
void set_cluster_up(SharedRpcResources &shared_rpc_resources, storage::api::StorageMessageAddress &storage_address) {
auto req = make_set_cluster_state_request();
auto target_resolver = std::make_unique<storage::rpc::CachingRpcTargetResolver>(shared_rpc_resources.slobrok_mirror(), shared_rpc_resources.target_factory());
auto target = target_resolver->resolve_rpc_target(storage_address);
target->_target->get()->InvokeSync(req, 10.0); // 10 seconds timeout
assert(!req->IsError());
req->SubRef();
}
}
class StorageApiRpcBmFeedHandler::MyMessageDispatcher : public storage::MessageDispatcher
{
std::mutex _mutex;
vespalib::hash_map<uint64_t, PendingTracker *> _pending;
public:
MyMessageDispatcher()
: storage::MessageDispatcher(),
_mutex(),
_pending()
{
}
~MyMessageDispatcher() override;
void dispatch_sync(std::shared_ptr<storage::api::StorageMessage> msg) override {
release(msg->getMsgId());
}
void dispatch_async(std::shared_ptr<storage::api::StorageMessage> msg) override {
release(msg->getMsgId());
}
void retain(uint64_t msg_id, PendingTracker &tracker) {
tracker.retain();
std::lock_guard lock(_mutex);
_pending.insert(std::make_pair(msg_id, &tracker));
}
void release(uint64_t msg_id) {
PendingTracker *tracker = nullptr;
{
std::lock_guard lock(_mutex);
auto itr = _pending.find(msg_id);
assert(itr != _pending.end());
tracker = itr->second;
_pending.erase(itr);
}
tracker->release();
}
};
StorageApiRpcBmFeedHandler::MyMessageDispatcher::~MyMessageDispatcher()
{
std::lock_guard lock(_mutex);
assert(_pending.empty());
}
StorageApiRpcBmFeedHandler::StorageApiRpcBmFeedHandler(SharedRpcResources& shared_rpc_resources_in, std::shared_ptr<const DocumentTypeRepo> repo)
: IBmFeedHandler(),
_storage_address(std::make_unique<StorageMessageAddress>("storage", storage::lib::NodeType::STORAGE, 0)),
_shared_rpc_resources(shared_rpc_resources_in),
_message_dispatcher(std::make_unique<MyMessageDispatcher>()),
_message_codec_provider(std::make_unique<storage::rpc::MessageCodecProvider>(repo, std::make_shared<documentapi::LoadTypeSet>())),
_rpc_client(std::make_unique<storage::rpc::StorageApiRpcService>(*_message_dispatcher, _shared_rpc_resources, *_message_codec_provider, storage::rpc::StorageApiRpcService::Params()))
{
set_cluster_up(_shared_rpc_resources, *_storage_address);
}
StorageApiRpcBmFeedHandler::~StorageApiRpcBmFeedHandler() = default;
void
StorageApiRpcBmFeedHandler::send_rpc(std::shared_ptr<storage::api::StorageCommand> cmd, PendingTracker& pending_tracker)
{
cmd->setSourceIndex(0);
cmd->setAddress(*_storage_address);
_message_dispatcher->retain(cmd->getMsgId(), pending_tracker);
_rpc_client->send_rpc_v1_request(std::move(cmd));
}
void
StorageApiRpcBmFeedHandler::put(const document::Bucket& bucket, std::unique_ptr<Document> document, uint64_t timestamp, PendingTracker& tracker)
{
auto cmd = std::make_unique<storage::api::PutCommand>(bucket, std::move(document), timestamp);
send_rpc(std::move(cmd), tracker);
}
void
StorageApiRpcBmFeedHandler::update(const document::Bucket& bucket, std::unique_ptr<DocumentUpdate> document_update, uint64_t timestamp, PendingTracker& tracker)
{
auto cmd = std::make_unique<storage::api::UpdateCommand>(bucket, std::move(document_update), timestamp);
send_rpc(std::move(cmd), tracker);
}
void
StorageApiRpcBmFeedHandler::remove(const document::Bucket& bucket, const DocumentId& document_id, uint64_t timestamp, PendingTracker& tracker)
{
auto cmd = std::make_unique<storage::api::RemoveCommand>(bucket, document_id, timestamp);
send_rpc(std::move(cmd), tracker);
}
}
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