apollo_network_benchmark: added message broadcasting task

crates/apollo_network_benchmark/src/bin/broadcast_network_stress_test_node/handlers.rs

@@ -1,15 +1,47 @@
-use std::time::SystemTime;
+use std::time::{Duration, SystemTime};
 
 use apollo_metrics::metrics::LossyIntoF64;
+use apollo_network_benchmark::node_args::NodeArgs;
 use libp2p::PeerId;
 
-use crate::message::StressTestMessage;
+use crate::message::{StressTestMessage, METADATA_SIZE};
 use crate::metrics::{
     RECEIVE_MESSAGE_BYTES,
     RECEIVE_MESSAGE_BYTES_SUM,
     RECEIVE_MESSAGE_COUNT,
     RECEIVE_MESSAGE_DELAY_SECONDS,
 };
+use crate::protocol::MessageSender;
+
+fn get_message(id: u64, size_bytes: usize) -> StressTestMessage {
+    let message = StressTestMessage::new(id, 0, vec![0; size_bytes - *METADATA_SIZE]);
+    assert_eq!(Vec::<u8>::from(message.clone()).len(), size_bytes);
+    message
+}
+
+/// Unified implementation for sending stress test messages via any protocol
+pub async fn send_stress_test_messages(
+    mut message_sender: MessageSender,
+    args: &NodeArgs,
+    peers: Vec<PeerId>,
+) {
+    let size_bytes = args.user.message_size_bytes;
+    let heartbeat = Duration::from_millis(args.user.heartbeat_millis);
+
+    let mut message_index = 0;
+    let mut message = get_message(args.runner.id, size_bytes).clone();
+
+    let mut interval = tokio::time::interval(heartbeat);
+    loop {
+        interval.tick().await;
+
+        message.metadata.time = SystemTime::now();
+        message.metadata.message_index = message_index;
+        let message_clone = message.clone().into();
+        message_sender.send_message(&peers, message_clone).await;
+        message_index += 1;
+    }
+}
 
 pub fn receive_stress_test_message(received_message: Vec<u8>, _sender_peer_id: Option<PeerId>) {
     let end_time = SystemTime::now();

crates/apollo_network_benchmark/src/bin/broadcast_network_stress_test_node/main.rs

@@ -3,6 +3,7 @@ use std::net::{Ipv4Addr, SocketAddr, SocketAddrV4};
 use std::time::Duration;
 
 use clap::Parser;
+use message::METADATA_SIZE;
 use metrics_exporter_prometheus::PrometheusBuilder;
 use tokio_metrics::RuntimeMetricsReporterBuilder;
 use tracing::Level;
@@ -40,6 +41,12 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     println!("Starting network stress test with args:\n{args:?}");
 
+    assert!(
+        args.user.message_size_bytes >= *METADATA_SIZE,
+        "Message size must be at least {} bytes",
+        *METADATA_SIZE
+    );
+
     // Set up metrics
     let builder = PrometheusBuilder::new().with_http_listener(SocketAddr::V4(SocketAddrV4::new(
         Ipv4Addr::UNSPECIFIED,

crates/apollo_network_benchmark/src/bin/broadcast_network_stress_test_node/stress_test_node.rs

@@ -6,19 +6,19 @@ use apollo_network::NetworkConfig;
 use apollo_network_benchmark::node_args::NodeArgs;
 use futures::future::{select_all, BoxFuture};
 use futures::FutureExt;
-use libp2p::Multiaddr;
+use libp2p::swarm::dial_opts::DialOpts;
+use libp2p::{Multiaddr, PeerId};
 use tokio::task::JoinHandle;
 use tracing::{info, warn};
 
-use crate::handlers::receive_stress_test_message;
+use crate::handlers::{receive_stress_test_message, send_stress_test_messages};
 use crate::protocol::{register_protocol_channels, MessageReceiver, MessageSender};
 
 /// The main stress test node that manages network communication and monitoring
 pub struct BroadcastNetworkStressTestNode {
     args: NodeArgs,
+    network_config: NetworkConfig,
     network_manager: Option<NetworkManager>,
-    // TODO(AndrewL): Remove this once they are used
-    #[allow(dead_code)]
     message_sender: Option<MessageSender>,
     message_receiver: Option<MessageReceiver>,
 }
@@ -56,7 +56,7 @@ impl BroadcastNetworkStressTestNode {
         let network_config = Self::create_network_config(&args);
 
         // Create network manager
-        let mut network_manager = NetworkManager::new(network_config, None, None);
+        let mut network_manager = NetworkManager::new(network_config.clone(), None, None);
 
         // Register protocol channels
         let (message_sender, message_receiver) = register_protocol_channels(
@@ -66,6 +66,7 @@ impl BroadcastNetworkStressTestNode {
         );
         Self {
             args,
+            network_config,
             network_manager: Some(network_manager),
             message_sender: Some(message_sender),
             message_receiver: Some(message_receiver),
@@ -82,6 +83,30 @@ impl BroadcastNetworkStressTestNode {
         .boxed()
     }
 
+    fn get_peers(&self) -> Vec<PeerId> {
+        self.network_config
+            .bootstrap_peer_multiaddr
+            .as_ref()
+            .map(|peers| {
+                peers.iter().map(|m| DialOpts::from(m.clone()).get_peer_id().unwrap()).collect()
+            })
+            .unwrap_or_default()
+    }
+
+    /// Starts the message sending task if this node should broadcast
+    pub async fn start_message_sender(&mut self) -> BoxFuture<'static, ()> {
+        let message_sender =
+            self.message_sender.take().expect("message_sender should be available");
+
+        let args_clone = self.args.clone();
+        let peers = self.get_peers();
+
+        async move {
+            send_stress_test_messages(message_sender, &args_clone, peers).await;
+        }
+        .boxed()
+    }
+
     /// Starts the message receiving task
     pub async fn make_message_receiver_task(&mut self) -> BoxFuture<'static, ()> {
         let message_receiver =
@@ -100,6 +125,7 @@ impl BroadcastNetworkStressTestNode {
         let mut tasks = Vec::new();
         tasks.push(self.start_network_manager().await);
         tasks.push(self.make_message_receiver_task().await);
+        tasks.push(self.start_message_sender().await);
 
         tasks
     }

crates/apollo_network_benchmark/src/node_args.rs

@@ -53,6 +53,14 @@ pub struct UserArgs {
     #[arg(long, env, default_value = "gossipsub")]
     pub network_protocol: NetworkProtocol,
 
+    /// Size of StressTestMessage
+    #[arg(long, env, default_value = "1024")]
+    pub message_size_bytes: usize,
+
+    /// The time to sleep between broadcasts of StressTestMessage in milliseconds
+    #[arg(long, env, default_value = "1000")]
+    pub heartbeat_millis: u64,
+
     /// The timeout in seconds for the node.
     /// When the node runs for longer than this, it will be killed.
     #[arg(long, env, default_value = "4000")]