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Make beacon processor queue sizes dynamic (#5573)

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* Make beacon processor queue sizes dynamic

* Update tests

* lint

* Review PR
This commit is contained in:
Lion - dapplion
2024-06-03 09:17:11 +02:00
committed by GitHub
parent fb790decd6
commit 2c971fa9a1
4 changed files with 147 additions and 148 deletions
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271
beacon_node/beacon_processor/src/lib.rs
View File

@@ -60,7 +60,9 @@ use std::time::Duration;
use task_executor::TaskExecutor; use task_executor::TaskExecutor;
use tokio::sync::mpsc; use tokio::sync::mpsc;
use tokio::sync::mpsc::error::TrySendError; use tokio::sync::mpsc::error::TrySendError;
use types::{Attestation, Hash256, SignedAggregateAndProof, SubnetId}; use types::{
Attestation, BeaconState, ChainSpec, Hash256, RelativeEpoch, SignedAggregateAndProof, SubnetId,
};
use types::{EthSpec, Slot}; use types::{EthSpec, Slot};
use work_reprocessing_queue::IgnoredRpcBlock; use work_reprocessing_queue::IgnoredRpcBlock;
use work_reprocessing_queue::{ use work_reprocessing_queue::{
@@ -85,123 +87,98 @@ const MAX_IDLE_QUEUE_LEN: usize = 16_384;
/// The maximum size of the channel for re-processing work events. /// The maximum size of the channel for re-processing work events.
const DEFAULT_MAX_SCHEDULED_WORK_QUEUE_LEN: usize = 3 * DEFAULT_MAX_WORK_EVENT_QUEUE_LEN / 4; const DEFAULT_MAX_SCHEDULED_WORK_QUEUE_LEN: usize = 3 * DEFAULT_MAX_WORK_EVENT_QUEUE_LEN / 4;
/// The maximum number of queued `Attestation` objects that will be stored before we start dropping /// Over-provision queues based on active validator count by some factor. The beacon chain has
/// them. /// strict churns that prevent the validator set size from changing rapidly. By over-provisioning
const MAX_UNAGGREGATED_ATTESTATION_QUEUE_LEN: usize = 16_384; /// slightly, we don't need to adjust the queues during the lifetime of a process.
const ACTIVE_VALIDATOR_COUNT_OVERPROVISION_PERCENT: usize = 110;
/// The maximum number of queued `Attestation` objects that will be stored before we start dropping /// Maximum number of queued items that will be stored before dropping them
/// them. pub struct BeaconProcessorQueueLengths {
const MAX_UNAGGREGATED_ATTESTATION_REPROCESS_QUEUE_LEN: usize = 8_192; aggregate_queue: usize,
attestation_queue: usize,
unknown_block_aggregate_queue: usize,
unknown_block_attestation_queue: usize,
sync_message_queue: usize,
sync_contribution_queue: usize,
gossip_voluntary_exit_queue: usize,
gossip_proposer_slashing_queue: usize,
gossip_attester_slashing_queue: usize,
finality_update_queue: usize,
optimistic_update_queue: usize,
unknown_light_client_update_queue: usize,
rpc_block_queue: usize,
rpc_blob_queue: usize,
chain_segment_queue: usize,
backfill_chain_segment: usize,
gossip_block_queue: usize,
gossip_blob_queue: usize,
delayed_block_queue: usize,
status_queue: usize,
bbrange_queue: usize,
bbroots_queue: usize,
blbroots_queue: usize,
blbrange_queue: usize,
gossip_bls_to_execution_change_queue: usize,
lc_bootstrap_queue: usize,
lc_optimistic_update_queue: usize,
lc_finality_update_queue: usize,
api_request_p0_queue: usize,
api_request_p1_queue: usize,
}
/// The maximum number of queued `SignedAggregateAndProof` objects that will be stored before we impl BeaconProcessorQueueLengths {
/// start dropping them. pub fn from_state<E: EthSpec>(
const MAX_AGGREGATED_ATTESTATION_QUEUE_LEN: usize = 4_096; state: &BeaconState<E>,
spec: &ChainSpec,
) -> Result<Self, String> {
let active_validator_count =
match state.get_cached_active_validator_indices(RelativeEpoch::Current) {
Ok(indices) => indices.len(),
Err(_) => state
.get_active_validator_indices(state.current_epoch(), spec)
.map_err(|e| format!("Error computing active indices: {:?}", e))?
.len(),
};
let active_validator_count =
(ACTIVE_VALIDATOR_COUNT_OVERPROVISION_PERCENT * active_validator_count) / 100;
let slots_per_epoch = E::slots_per_epoch() as usize;
/// The maximum number of queued `SignedAggregateAndProof` objects that will be stored before we Ok(Self {
/// start dropping them. aggregate_queue: 4096,
const MAX_AGGREGATED_ATTESTATION_REPROCESS_QUEUE_LEN: usize = 1_024; unknown_block_aggregate_queue: 1024,
// Capacity for a full slot's worth of attestations if subscribed to all subnets
/// The maximum number of queued `SignedBeaconBlock` objects received on gossip that will be stored attestation_queue: active_validator_count / slots_per_epoch,
/// before we start dropping them. // Capacity for a full slot's worth of attestations if subscribed to all subnets
const MAX_GOSSIP_BLOCK_QUEUE_LEN: usize = 1_024; unknown_block_attestation_queue: active_validator_count / slots_per_epoch,
sync_message_queue: 2048,
/// The maximum number of queued `BlobSidecar` objects received on gossip that sync_contribution_queue: 1024,
/// will be stored before we start dropping them. gossip_voluntary_exit_queue: 4096,
const MAX_GOSSIP_BLOB_QUEUE_LEN: usize = 1_024; gossip_proposer_slashing_queue: 4096,
gossip_attester_slashing_queue: 4096,
/// The maximum number of queued `SignedBeaconBlock` objects received prior to their slot (but finality_update_queue: 1024,
/// within acceptable clock disparity) that will be queued before we start dropping them. optimistic_update_queue: 1024,
const MAX_DELAYED_BLOCK_QUEUE_LEN: usize = 1_024; unknown_light_client_update_queue: 128,
rpc_block_queue: 1024,
/// The maximum number of queued `SignedVoluntaryExit` objects received on gossip that will be stored rpc_blob_queue: 1024,
/// before we start dropping them. chain_segment_queue: 64,
const MAX_GOSSIP_EXIT_QUEUE_LEN: usize = 4_096; backfill_chain_segment: 64,
gossip_block_queue: 1024,
/// The maximum number of queued `ProposerSlashing` objects received on gossip that will be stored gossip_blob_queue: 1024,
/// before we start dropping them. delayed_block_queue: 1024,
const MAX_GOSSIP_PROPOSER_SLASHING_QUEUE_LEN: usize = 4_096; status_queue: 1024,
bbrange_queue: 1024,
/// The maximum number of queued `AttesterSlashing` objects received on gossip that will be stored bbroots_queue: 1024,
/// before we start dropping them. blbroots_queue: 1024,
const MAX_GOSSIP_ATTESTER_SLASHING_QUEUE_LEN: usize = 4_096; blbrange_queue: 1024,
gossip_bls_to_execution_change_queue: 16384,
/// The maximum number of queued `LightClientFinalityUpdate` objects received on gossip that will be stored lc_bootstrap_queue: 1024,
/// before we start dropping them. lc_optimistic_update_queue: 512,
const MAX_GOSSIP_FINALITY_UPDATE_QUEUE_LEN: usize = 1_024; lc_finality_update_queue: 512,
api_request_p0_queue: 1024,
/// The maximum number of queued `LightClientOptimisticUpdate` objects received on gossip that will be stored api_request_p1_queue: 1024,
/// before we start dropping them. })
const MAX_GOSSIP_OPTIMISTIC_UPDATE_QUEUE_LEN: usize = 1_024; }
}
/// The maximum number of queued `LightClientOptimisticUpdate` objects received on gossip that will be stored
/// for reprocessing before we start dropping them.
const MAX_GOSSIP_OPTIMISTIC_UPDATE_REPROCESS_QUEUE_LEN: usize = 128;
/// The maximum number of queued `SyncCommitteeMessage` objects that will be stored before we start dropping
/// them.
const MAX_SYNC_MESSAGE_QUEUE_LEN: usize = 2048;
/// The maximum number of queued `SignedContributionAndProof` objects that will be stored before we
/// start dropping them.
const MAX_SYNC_CONTRIBUTION_QUEUE_LEN: usize = 1024;
/// The maximum number of queued `SignedBeaconBlock` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_RPC_BLOCK_QUEUE_LEN: usize = 1_024;
/// The maximum number of queued `BlobSidecar` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_RPC_BLOB_QUEUE_LEN: usize = 1_024;
/// The maximum number of queued `Vec<SignedBeaconBlock>` objects received during syncing that will
/// be stored before we start dropping them.
const MAX_CHAIN_SEGMENT_QUEUE_LEN: usize = 64;
/// The maximum number of queued `StatusMessage` objects received from the network RPC that will be
/// stored before we start dropping them.
const MAX_STATUS_QUEUE_LEN: usize = 1_024;
/// The maximum number of queued `BlocksByRangeRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_BLOCKS_BY_RANGE_QUEUE_LEN: usize = 1_024;
/// The maximum number of queued `BlobsByRangeRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_BLOBS_BY_RANGE_QUEUE_LEN: usize = 1024;
/// The maximum number of queued `BlocksByRootRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_BLOCKS_BY_ROOTS_QUEUE_LEN: usize = 1_024;
/// The maximum number of queued `BlobsByRootRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_BLOBS_BY_ROOTS_QUEUE_LEN: usize = 1_024;
/// Maximum number of `SignedBlsToExecutionChange` messages to queue before dropping them.
///
/// This value is set high to accommodate the large spike that is expected immediately after Capella
/// is activated.
const MAX_BLS_TO_EXECUTION_CHANGE_QUEUE_LEN: usize = 16_384;
/// The maximum number of queued `LightClientBootstrapRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_LIGHT_CLIENT_BOOTSTRAP_QUEUE_LEN: usize = 1_024;
/// The maximum number of queued `LightClientOptimisticUpdateRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_LIGHT_CLIENT_OPTIMISTIC_UPDATE_QUEUE_LEN: usize = 512;
/// The maximum number of queued `LightClientFinalityUpdateRequest` objects received from the network RPC that
/// will be stored before we start dropping them.
const MAX_LIGHT_CLIENT_FINALITY_UPDATE_QUEUE_LEN: usize = 512;
/// The maximum number of priority-0 (highest priority) messages that will be queued before
/// they begin to be dropped.
const MAX_API_REQUEST_P0_QUEUE_LEN: usize = 1_024;
/// The maximum number of priority-1 (second-highest priority) messages that will be queued before
/// they begin to be dropped.
const MAX_API_REQUEST_P1_QUEUE_LEN: usize = 1_024;
/// The name of the manager tokio task. /// The name of the manager tokio task.
const MANAGER_TASK_NAME: &str = "beacon_processor_manager"; const MANAGER_TASK_NAME: &str = "beacon_processor_manager";
@@ -772,6 +749,7 @@ impl<E: EthSpec> BeaconProcessor<E> {
/// ///
/// The optional `work_journal_tx` allows for an outside process to receive a log of all work /// The optional `work_journal_tx` allows for an outside process to receive a log of all work
/// events processed by `self`. This should only be used during testing. /// events processed by `self`. This should only be used during testing.
#[allow(clippy::too_many_arguments)]
pub fn spawn_manager<S: SlotClock + 'static>( pub fn spawn_manager<S: SlotClock + 'static>(
mut self, mut self,
event_rx: mpsc::Receiver<WorkEvent<E>>, event_rx: mpsc::Receiver<WorkEvent<E>>,
@@ -780,6 +758,7 @@ impl<E: EthSpec> BeaconProcessor<E> {
work_journal_tx: Option<mpsc::Sender<&'static str>>, work_journal_tx: Option<mpsc::Sender<&'static str>>,
slot_clock: S, slot_clock: S,
maximum_gossip_clock_disparity: Duration, maximum_gossip_clock_disparity: Duration,
queue_lengths: BeaconProcessorQueueLengths,
) -> Result<(), String> { ) -> Result<(), String> {
// Used by workers to communicate that they are finished a task. // Used by workers to communicate that they are finished a task.
let (idle_tx, idle_rx) = mpsc::channel::<()>(MAX_IDLE_QUEUE_LEN); let (idle_tx, idle_rx) = mpsc::channel::<()>(MAX_IDLE_QUEUE_LEN);
@@ -787,61 +766,61 @@ impl<E: EthSpec> BeaconProcessor<E> {
// Using LIFO queues for attestations since validator profits rely upon getting fresh // Using LIFO queues for attestations since validator profits rely upon getting fresh
// attestations into blocks. Additionally, later attestations contain more information than // attestations into blocks. Additionally, later attestations contain more information than
// earlier ones, so we consider them more valuable. // earlier ones, so we consider them more valuable.
let mut aggregate_queue = LifoQueue::new(MAX_AGGREGATED_ATTESTATION_QUEUE_LEN); let mut aggregate_queue = LifoQueue::new(queue_lengths.aggregate_queue);
let mut aggregate_debounce = TimeLatch::default(); let mut aggregate_debounce = TimeLatch::default();
let mut attestation_queue = LifoQueue::new(MAX_UNAGGREGATED_ATTESTATION_QUEUE_LEN); let mut attestation_queue = LifoQueue::new(queue_lengths.attestation_queue);
let mut attestation_debounce = TimeLatch::default(); let mut attestation_debounce = TimeLatch::default();
let mut unknown_block_aggregate_queue = let mut unknown_block_aggregate_queue =
LifoQueue::new(MAX_AGGREGATED_ATTESTATION_REPROCESS_QUEUE_LEN); LifoQueue::new(queue_lengths.unknown_block_aggregate_queue);
let mut unknown_block_attestation_queue = let mut unknown_block_attestation_queue =
LifoQueue::new(MAX_UNAGGREGATED_ATTESTATION_REPROCESS_QUEUE_LEN); LifoQueue::new(queue_lengths.unknown_block_attestation_queue);
let mut sync_message_queue = LifoQueue::new(MAX_SYNC_MESSAGE_QUEUE_LEN); let mut sync_message_queue = LifoQueue::new(queue_lengths.sync_message_queue);
let mut sync_contribution_queue = LifoQueue::new(MAX_SYNC_CONTRIBUTION_QUEUE_LEN); let mut sync_contribution_queue = LifoQueue::new(queue_lengths.sync_contribution_queue);
// Using a FIFO queue for voluntary exits since it prevents exit censoring. I don't have // Using a FIFO queue for voluntary exits since it prevents exit censoring. I don't have
// a strong feeling about queue type for exits. // a strong feeling about queue type for exits.
let mut gossip_voluntary_exit_queue = FifoQueue::new(MAX_GOSSIP_EXIT_QUEUE_LEN); let mut gossip_voluntary_exit_queue =
FifoQueue::new(queue_lengths.gossip_voluntary_exit_queue);
// Using a FIFO queue for slashing to prevent people from flushing their slashings from the // Using a FIFO queue for slashing to prevent people from flushing their slashings from the
// queues with lots of junk messages. // queues with lots of junk messages.
let mut gossip_proposer_slashing_queue = let mut gossip_proposer_slashing_queue =
FifoQueue::new(MAX_GOSSIP_PROPOSER_SLASHING_QUEUE_LEN); FifoQueue::new(queue_lengths.gossip_proposer_slashing_queue);
let mut gossip_attester_slashing_queue = let mut gossip_attester_slashing_queue =
FifoQueue::new(MAX_GOSSIP_ATTESTER_SLASHING_QUEUE_LEN); FifoQueue::new(queue_lengths.gossip_attester_slashing_queue);
// Using a FIFO queue for light client updates to maintain sequence order. // Using a FIFO queue for light client updates to maintain sequence order.
let mut finality_update_queue = FifoQueue::new(MAX_GOSSIP_FINALITY_UPDATE_QUEUE_LEN); let mut finality_update_queue = FifoQueue::new(queue_lengths.finality_update_queue);
let mut optimistic_update_queue = FifoQueue::new(MAX_GOSSIP_OPTIMISTIC_UPDATE_QUEUE_LEN); let mut optimistic_update_queue = FifoQueue::new(queue_lengths.optimistic_update_queue);
let mut unknown_light_client_update_queue = let mut unknown_light_client_update_queue =
FifoQueue::new(MAX_GOSSIP_OPTIMISTIC_UPDATE_REPROCESS_QUEUE_LEN); FifoQueue::new(queue_lengths.unknown_light_client_update_queue);
// Using a FIFO queue since blocks need to be imported sequentially. // Using a FIFO queue since blocks need to be imported sequentially.
let mut rpc_block_queue = FifoQueue::new(MAX_RPC_BLOCK_QUEUE_LEN); let mut rpc_block_queue = FifoQueue::new(queue_lengths.rpc_block_queue);
let mut rpc_blob_queue = FifoQueue::new(MAX_RPC_BLOB_QUEUE_LEN); let mut rpc_blob_queue = FifoQueue::new(queue_lengths.rpc_blob_queue);
let mut chain_segment_queue = FifoQueue::new(MAX_CHAIN_SEGMENT_QUEUE_LEN); let mut chain_segment_queue = FifoQueue::new(queue_lengths.chain_segment_queue);
let mut backfill_chain_segment = FifoQueue::new(MAX_CHAIN_SEGMENT_QUEUE_LEN); let mut backfill_chain_segment = FifoQueue::new(queue_lengths.backfill_chain_segment);
let mut gossip_block_queue = FifoQueue::new(MAX_GOSSIP_BLOCK_QUEUE_LEN); let mut gossip_block_queue = FifoQueue::new(queue_lengths.gossip_block_queue);
let mut gossip_blob_queue = FifoQueue::new(MAX_GOSSIP_BLOB_QUEUE_LEN); let mut gossip_blob_queue = FifoQueue::new(queue_lengths.gossip_blob_queue);
let mut delayed_block_queue = FifoQueue::new(MAX_DELAYED_BLOCK_QUEUE_LEN); let mut delayed_block_queue = FifoQueue::new(queue_lengths.delayed_block_queue);
let mut status_queue = FifoQueue::new(MAX_STATUS_QUEUE_LEN); let mut status_queue = FifoQueue::new(queue_lengths.status_queue);
let mut bbrange_queue = FifoQueue::new(MAX_BLOCKS_BY_RANGE_QUEUE_LEN); let mut bbrange_queue = FifoQueue::new(queue_lengths.bbrange_queue);
let mut bbroots_queue = FifoQueue::new(MAX_BLOCKS_BY_ROOTS_QUEUE_LEN); let mut bbroots_queue = FifoQueue::new(queue_lengths.bbroots_queue);
let mut blbroots_queue = FifoQueue::new(MAX_BLOBS_BY_ROOTS_QUEUE_LEN); let mut blbroots_queue = FifoQueue::new(queue_lengths.blbroots_queue);
let mut blbrange_queue = FifoQueue::new(MAX_BLOBS_BY_RANGE_QUEUE_LEN); let mut blbrange_queue = FifoQueue::new(queue_lengths.blbrange_queue);
let mut gossip_bls_to_execution_change_queue = let mut gossip_bls_to_execution_change_queue =
FifoQueue::new(MAX_BLS_TO_EXECUTION_CHANGE_QUEUE_LEN); FifoQueue::new(queue_lengths.gossip_bls_to_execution_change_queue);
let mut lc_bootstrap_queue = FifoQueue::new(MAX_LIGHT_CLIENT_BOOTSTRAP_QUEUE_LEN); let mut lc_bootstrap_queue = FifoQueue::new(queue_lengths.lc_bootstrap_queue);
let mut lc_optimistic_update_queue = let mut lc_optimistic_update_queue =
FifoQueue::new(MAX_LIGHT_CLIENT_OPTIMISTIC_UPDATE_QUEUE_LEN); FifoQueue::new(queue_lengths.lc_optimistic_update_queue);
let mut lc_finality_update_queue = let mut lc_finality_update_queue = FifoQueue::new(queue_lengths.lc_finality_update_queue);
FifoQueue::new(MAX_LIGHT_CLIENT_FINALITY_UPDATE_QUEUE_LEN);
let mut api_request_p0_queue = FifoQueue::new(MAX_API_REQUEST_P0_QUEUE_LEN); let mut api_request_p0_queue = FifoQueue::new(queue_lengths.api_request_p0_queue);
let mut api_request_p1_queue = FifoQueue::new(MAX_API_REQUEST_P1_QUEUE_LEN); let mut api_request_p1_queue = FifoQueue::new(queue_lengths.api_request_p1_queue);
// Channels for sending work to the re-process scheduler (`work_reprocessing_tx`) and to // Channels for sending work to the re-process scheduler (`work_reprocessing_tx`) and to
// receive them back once they are ready (`ready_work_rx`). // receive them back once they are ready (`ready_work_rx`).

10
beacon_node/client/src/builder.rs
View File

@@ -19,8 +19,8 @@ use beacon_chain::{
store::{HotColdDB, ItemStore, LevelDB, StoreConfig}, store::{HotColdDB, ItemStore, LevelDB, StoreConfig},
BeaconChain, BeaconChainTypes, Eth1ChainBackend, MigratorConfig, ServerSentEventHandler, BeaconChain, BeaconChainTypes, Eth1ChainBackend, MigratorConfig, ServerSentEventHandler,
}; };
use beacon_processor::BeaconProcessorConfig;
use beacon_processor::{BeaconProcessor, BeaconProcessorChannels}; use beacon_processor::{BeaconProcessor, BeaconProcessorChannels};
use beacon_processor::{BeaconProcessorConfig, BeaconProcessorQueueLengths};
use environment::RuntimeContext; use environment::RuntimeContext;
use eth1::{Config as Eth1Config, Service as Eth1Service}; use eth1::{Config as Eth1Config, Service as Eth1Service};
use eth2::{ use eth2::{
@@ -884,6 +884,14 @@ where
None, None,
beacon_chain.slot_clock.clone(), beacon_chain.slot_clock.clone(),
beacon_chain.spec.maximum_gossip_clock_disparity(), beacon_chain.spec.maximum_gossip_clock_disparity(),
BeaconProcessorQueueLengths::from_state(
&beacon_chain
.canonical_head
.cached_head()
.snapshot
.beacon_state,
&beacon_chain.spec,
)?,
)?; )?;
} }

9
beacon_node/http_api/src/test_utils.rs
View File

@@ -3,7 +3,9 @@ use beacon_chain::{
test_utils::{BeaconChainHarness, BoxedMutator, Builder, EphemeralHarnessType}, test_utils::{BeaconChainHarness, BoxedMutator, Builder, EphemeralHarnessType},
BeaconChain, BeaconChainTypes, BeaconChain, BeaconChainTypes,
}; };
use beacon_processor::{BeaconProcessor, BeaconProcessorChannels, BeaconProcessorConfig}; use beacon_processor::{
BeaconProcessor, BeaconProcessorChannels, BeaconProcessorConfig, BeaconProcessorQueueLengths,
};
use directory::DEFAULT_ROOT_DIR; use directory::DEFAULT_ROOT_DIR;
use eth2::{BeaconNodeHttpClient, Timeouts}; use eth2::{BeaconNodeHttpClient, Timeouts};
use lighthouse_network::{ use lighthouse_network::{
@@ -206,6 +208,11 @@ pub async fn create_api_server<T: BeaconChainTypes>(
None, None,
chain.slot_clock.clone(), chain.slot_clock.clone(),
chain.spec.maximum_gossip_clock_disparity(), chain.spec.maximum_gossip_clock_disparity(),
BeaconProcessorQueueLengths::from_state(
&chain.canonical_head.cached_head().snapshot.beacon_state,
&chain.spec,
)
.unwrap(),
) )
.unwrap(); .unwrap();

5
beacon_node/network/src/network_beacon_processor/tests.rs
View File

@@ -239,6 +239,11 @@ impl TestRig {
Some(work_journal_tx), Some(work_journal_tx),
harness.chain.slot_clock.clone(), harness.chain.slot_clock.clone(),
chain.spec.maximum_gossip_clock_disparity(), chain.spec.maximum_gossip_clock_disparity(),
BeaconProcessorQueueLengths::from_state(
&chain.canonical_head.cached_head().snapshot.beacon_state,
&chain.spec,
)
.unwrap(),
); );
assert!(beacon_processor.is_ok()); assert!(beacon_processor.is_ok());