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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "bm_cluster_controller.h"
#include "bm_cluster.h"
#include "bm_node.h"
#include "i_bm_distribution.h"
#include <vespa/storage/storageserver/rpc/caching_rpc_target_resolver.h>
#include <vespa/storage/storageserver/rpc/shared_rpc_resources.h>
#include <vespa/storage/storageserver/rpc/slime_cluster_state_bundle_codec.h>
#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>
using storage::api::StorageMessageAddress;
using storage::rpc::SharedRpcResources;
using storage::lib::NodeType;
namespace search::bmcluster {
namespace {
FRT_RPCRequest *
make_set_cluster_state_request(const IBmDistribution& distribution)
{
storage::lib::ClusterStateBundle bundle(distribution.get_cluster_state_bundle());
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);
params->AddData(std::move(*encoded_bundle._buffer));
req->SetMethodName("setdistributionstates");
return req;
}
}
BmClusterController::BmClusterController(BmCluster& cluster, const IBmDistribution &distribution)
: _cluster(cluster),
_distribution(distribution)
{
}
void
BmClusterController::propagate_cluster_state(uint32_t node_idx, bool distributor)
{
static vespalib::string _storage("storage");
StorageMessageAddress storage_address(&_storage, distributor ? NodeType::DISTRIBUTOR : NodeType::STORAGE, node_idx);
auto req = make_set_cluster_state_request(_distribution);
auto& shared_rpc_resources = _cluster.get_rpc_client();
auto target_resolver = std::make_unique<storage::rpc::CachingRpcTargetResolver>(shared_rpc_resources.slobrok_mirror(),
shared_rpc_resources.target_factory(), 1);
uint64_t fake_bucket_id = 0;
auto target = target_resolver->resolve_rpc_target(storage_address, fake_bucket_id);
target->get()->InvokeSync(req, 10.0); // 10 seconds timeout
assert(!req->IsError());
req->internal_subref();
}
void
BmClusterController::propagate_cluster_state(bool distributor)
{
uint32_t num_nodes = _cluster.get_num_nodes();
for (uint32_t node_idx = 0; node_idx < num_nodes; ++node_idx) {
auto node = _cluster.get_node(node_idx);
if (node && node->has_storage_layer(distributor)) {
propagate_cluster_state(node_idx, distributor);
}
}
}
void
BmClusterController::propagate_cluster_state()
{
propagate_cluster_state(false);
propagate_cluster_state(true);
}
}
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