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@ -8,7 +8,7 @@ license = "GPL-3.0-or-later"
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repository = "https://github.com/Architecture-Mechanism/bellande_mesh_sync"
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documentation = "https://bellande-architecture-mechanism-research-innovation-center.org/bellande_mesh_sync/docs"
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readme = "README.md"
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keywords = ["p2p", "synchronization", "distributed-systems", "mesh-network", "bellande_mesh_sync"]
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keywords = ["synchronization", "distributed-systems", "mesh-network", "bellande_mesh_sync"]
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categories = ["network-programming", "asynchronous"]
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[lib]
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@ -29,3 +29,4 @@ chrono = { version = "0.4", features = ["serde"] }
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sled = "0.34"
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tokio-util = { version = "0.7", features = ["full"] }
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async-trait = "0.1"
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tokio-rustls = "0.24"
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@ -51,6 +51,24 @@ pub struct MeshOptions {
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pub enable_persistence: bool,
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/// Custom persistence directory
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pub persistence_path: Option<PathBuf>,
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/// Node timeout duration in seconds
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pub node_timeout: Option<u64>,
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/// Enable automatic node discovery
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pub enable_discovery: bool,
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/// Bootstrap nodes for initial connection
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pub bootstrap_nodes: Vec<String>,
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/// Enable encryption for all communications
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pub enable_encryption: bool,
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/// Custom TCP port for mesh communication
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pub tcp_port: Option<u16>,
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/// Custom UDP port for mesh communication
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pub udp_port: Option<u16>,
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/// Maximum retry attempts for failed connections
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pub max_retries: Option<u32>,
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/// Enable automatic data replication
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pub enable_replication: bool,
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/// Number of data replicas to maintain
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pub replication_factor: Option<u32>,
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}
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impl Default for MeshOptions {
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@ -63,6 +81,15 @@ impl Default for MeshOptions {
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max_connections: Some(1000),
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enable_persistence: false,
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persistence_path: None,
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node_timeout: Some(300),
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enable_discovery: true,
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bootstrap_nodes: Vec::new(),
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enable_encryption: true,
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tcp_port: None,
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udp_port: None,
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max_retries: Some(3),
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enable_replication: true,
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replication_factor: Some(3),
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}
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}
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}
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@ -109,13 +136,34 @@ pub async fn init_with_options(
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// Restore persisted data if available
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if let Some(persistence) = &persistence_manager {
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let nodes = persistence.load_nodes()?;
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bellande_mesh.restore_nodes(nodes).await?;
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// Load nodes from persistence
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let nodes = persistence
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.load_nodes()
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.map_err(|e| BellandeMeshError::Custom(format!("Failed to load nodes: {}", e)))?;
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// Load data chunks for each node
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// Restore the nodes structure
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bellande_mesh
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.restore_nodes(nodes.clone())
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.await
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.map_err(|e| BellandeMeshError::Custom(format!("Failed to restore nodes: {}", e)))?;
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// Then load and restore data chunks for each node
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for node in nodes {
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let chunks = persistence.load_data_chunks(&node.id)?;
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bellande_mesh.restore_data_chunks(node.id, chunks).await?;
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match persistence.load_data_chunks(&node.id) {
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Ok(chunks) => {
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if let Err(e) = bellande_mesh.restore_data_chunks(node.id, chunks).await {
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eprintln!(
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"Error restoring chunks for node {}: {}",
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node.id.to_hex(),
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e
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);
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}
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}
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Err(e) => {
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eprintln!("Error loading chunks for node {}: {}", node.id.to_hex(), e);
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continue;
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}
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}
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}
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}
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@ -142,7 +190,7 @@ pub async fn stop(bellande_mesh: &BellandeMeshSync) -> Result<(), BellandeMeshEr
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bellande_mesh.stop().await
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}
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/// Broadcast a message to all nodes in the network
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// Message and Data Handling
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pub async fn broadcast(
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bellande_mesh: &BellandeMeshSync,
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data: Vec<u8>,
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@ -150,27 +198,6 @@ pub async fn broadcast(
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bellande_mesh.broadcast_data(data).await
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}
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/// Get the current network statistics
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pub async fn get_stats(
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bellande_mesh: &BellandeMeshSync,
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) -> Result<NetworkStats, BellandeMeshError> {
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bellande_mesh.get_network_stats().await
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}
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/// Get the list of currently connected nodes
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pub async fn get_nodes(bellande_mesh: &BellandeMeshSync) -> Result<Vec<Node>, BellandeMeshError> {
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bellande_mesh.get_all_nodes().await
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}
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/// Check if a specific node is connected to the network
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pub async fn is_node_connected(
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bellande_mesh: &BellandeMeshSync,
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node_id: NodeId,
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) -> Result<bool, BellandeMeshError> {
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bellande_mesh.is_node_connected(&node_id).await
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}
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/// Send a message to a specific node
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pub async fn send_to_node(
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bellande_mesh: &BellandeMeshSync,
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node_id: NodeId,
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@ -178,3 +205,109 @@ pub async fn send_to_node(
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) -> Result<(), BellandeMeshError> {
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bellande_mesh.send_data_to_node(node_id, data).await
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}
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// Node Management
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pub async fn get_nodes(bellande_mesh: &BellandeMeshSync) -> Result<Vec<Node>, BellandeMeshError> {
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bellande_mesh.get_all_nodes().await
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}
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pub async fn get_active_nodes(
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bellande_mesh: &BellandeMeshSync,
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) -> Result<Vec<Node>, BellandeMeshError> {
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bellande_mesh.get_all_active_nodes().await
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}
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pub async fn get_nodes_paginated(
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bellande_mesh: &BellandeMeshSync,
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offset: usize,
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limit: usize,
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) -> Result<(Vec<Node>, usize), BellandeMeshError> {
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bellande_mesh.get_nodes_paginated(offset, limit).await
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}
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pub async fn is_node_connected(
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bellande_mesh: &BellandeMeshSync,
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node_id: NodeId,
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) -> Result<bool, BellandeMeshError> {
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bellande_mesh.is_node_connected(&node_id).await
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}
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pub async fn restore_nodes(
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bellande_mesh: &BellandeMeshSync,
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nodes: Vec<Node>,
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) -> Result<(), BellandeMeshError> {
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bellande_mesh.restore_nodes(nodes).await
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}
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// Network Statistics and Monitoring
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pub async fn get_stats(
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bellande_mesh: &BellandeMeshSync,
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) -> Result<NetworkStats, BellandeMeshError> {
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bellande_mesh.get_network_stats().await
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}
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pub async fn get_node_count(bellande_mesh: &BellandeMeshSync) -> Result<usize, BellandeMeshError> {
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bellande_mesh.get_node_count().await
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}
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pub async fn get_node_list(
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bellande_mesh: &BellandeMeshSync,
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) -> Result<Vec<NodeId>, BellandeMeshError> {
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bellande_mesh.get_node_list().await
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}
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// Maintenance Operations
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pub async fn start_metrics_collection(
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bellande_mesh: &BellandeMeshSync,
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interval: u64,
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) -> Result<(), BellandeMeshError> {
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bellande_mesh.start_metrics_collection(interval).await
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}
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pub async fn set_max_connections(
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bellande_mesh: &BellandeMeshSync,
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max_conn: usize,
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) -> Result<(), BellandeMeshError> {
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bellande_mesh.set_max_connections(max_conn).await
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}
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pub async fn cleanup_dead_nodes(bellande_mesh: &BellandeMeshSync) -> Result<(), BellandeMeshError> {
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bellande_mesh.cleanup_dead_nodes().await
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}
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// Node Discovery and Communication
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pub async fn find_closest_nodes(
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bellande_mesh: &BellandeMeshSync,
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target: &NodeId,
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count: usize,
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) -> Result<Vec<Node>, BellandeMeshError> {
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Ok(bellande_mesh.find_closest_nodes(target, count).await)
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}
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pub async fn broadcast_new_node(
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bellande_mesh: &BellandeMeshSync,
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new_node: &Node,
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) -> Result<(), BellandeMeshError> {
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bellande_mesh.broadcast_new_node(new_node).await
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}
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// Protocol Functions
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pub async fn handle_join_request(
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bellande_mesh: &BellandeMeshSync,
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data: Vec<u8>,
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) -> Result<(), BellandeMeshError> {
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bellande_mesh.handle_join_request(data).await
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}
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// Utility Functions
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pub async fn get_local_id(bellande_mesh: &BellandeMeshSync) -> Result<NodeId, BellandeMeshError> {
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bellande_mesh.get_local_id().await
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}
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pub async fn get_status(bellande_mesh: &BellandeMeshSync) -> String {
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bellande_mesh.get_status().await
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}
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pub async fn is_running(bellande_mesh: &BellandeMeshSync) -> Result<bool, BellandeMeshError> {
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bellande_mesh.is_running().await
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}
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334
src/mesh/mesh.rs
334
src/mesh/mesh.rs
@ -18,6 +18,7 @@ use crate::data::data::DataChunk;
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use crate::error::error::BellandeMeshError;
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pub use crate::metrics::metrics::MetricsManager;
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use crate::node::node::{Message, Node, NodeId, PublicKey};
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use hyper::server::conn::AddrStream;
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use hyper::service::{make_service_fn, service_fn};
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use hyper::{Body, Client, Request, Response, Server, StatusCode};
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use hyper_rustls::HttpsConnectorBuilder;
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@ -34,7 +35,6 @@ use std::time::{Duration, SystemTime};
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use tokio::net::{TcpListener as TokioTcpListener, UdpSocket as TokioUdpSocket};
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use tokio::signal;
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use tokio::sync::{mpsc, Mutex};
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use tokio::time::sleep;
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use tokio_util::sync::CancellationToken;
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// Constants
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@ -227,7 +227,7 @@ impl BellandeMeshSync {
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Ok(())
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}
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async fn start_message_handler(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_message_handler(&self) -> Result<(), BellandeMeshError> {
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let handler = self.clone();
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tokio::spawn(async move {
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let mut rx = handler.message_rx.lock().await;
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@ -240,7 +240,7 @@ impl BellandeMeshSync {
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Ok(())
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}
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async fn start_protocol_listeners(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_protocol_listeners(&self) -> Result<(), BellandeMeshError> {
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self.start_tcp_listener().await?;
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self.start_udp_listener().await?;
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self.start_http_server().await?;
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@ -248,7 +248,7 @@ impl BellandeMeshSync {
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Ok(())
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}
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async fn start_tcp_listener(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_tcp_listener(&self) -> Result<(), BellandeMeshError> {
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let addr = self
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.config
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.listen_address
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@ -273,22 +273,23 @@ impl BellandeMeshSync {
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Ok(())
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}
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async fn start_udp_listener(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_udp_listener(&self) -> Result<(), BellandeMeshError> {
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let addr = self
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.config
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.listen_address
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.parse::<SocketAddr>()
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.map_err(|e| BellandeMeshError::Custom(format!("Invalid address: {}", e)))?;
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let socket = TokioUdpSocket::bind(addr).await?;
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let handler = self.clone();
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let handler = Arc::new(self.clone());
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tokio::spawn(async move {
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let mut buf = [0u8; UDP_BUFFER_SIZE];
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while handler.is_running().unwrap_or(false) {
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loop {
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match socket.recv_from(&mut buf).await {
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Ok((len, src)) => {
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let handler = handler.clone();
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let data = buf[..len].to_vec();
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tokio::spawn(async move {
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if let Err(e) = handler.handle_udp_packet(&data, src).await {
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eprintln!("UDP error from {}: {}", src, e);
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@ -303,18 +304,17 @@ impl BellandeMeshSync {
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Ok(())
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}
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async fn start_http_server(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_http_server(&self) -> Result<(), BellandeMeshError> {
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let addr = self
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.config
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.listen_address
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.parse::<SocketAddr>()
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.map_err(|e| BellandeMeshError::Custom(format!("Invalid address: {}", e)))?;
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let http_addr = SocketAddr::new(addr.ip(), addr.port() + HTTP_PORT_OFFSET);
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let metrics = self.metrics.clone();
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let handler = self.clone();
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let make_service = make_service_fn(move |_| {
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let make_service = make_service_fn(move |_conn: &AddrStream| {
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let handler = handler.clone();
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let metrics = metrics.clone();
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@ -331,21 +331,32 @@ impl BellandeMeshSync {
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}
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});
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let server = Server::bind(&http_addr)
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.serve(make_service)
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.with_graceful_shutdown(Self::shutdown_signal());
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let server = match Server::try_bind(&http_addr) {
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Ok(builder) => builder.serve(make_service),
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Err(e) => {
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return Err(BellandeMeshError::Custom(format!(
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"Server bind error: {}",
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e
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)))
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}
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};
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tokio::spawn(async move {
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if let Err(e) = server.await {
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eprintln!("Server error: {}", e);
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}
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});
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tokio::spawn(server);
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Ok(())
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}
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async fn shutdown_signal() {
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pub async fn shutdown_signal() {
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if let Err(e) = signal::ctrl_c().await {
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eprintln!("Failed to install CTRL+C signal handler: {}", e);
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}
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}
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async fn start_https_server(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_https_server(&self) -> Result<(), BellandeMeshError> {
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let addr = self
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.config
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.listen_address
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@ -354,31 +365,20 @@ impl BellandeMeshSync {
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let https_addr = SocketAddr::new(addr.ip(), addr.port() + HTTPS_PORT_OFFSET);
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let handler = self.clone();
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let tls_config = self.tls_config.clone();
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let listener = TokioTcpListener::bind(https_addr).await?;
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// Create TLS acceptor from config
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let tls_acceptor = tokio_rustls::TlsAcceptor::from(tls_config);
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tokio::spawn(async move {
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while handler.is_running().unwrap_or(false) {
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if let Ok((stream, addr)) = listener.accept().await {
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let handler = handler.clone();
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let tls_config = tls_config.clone();
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let acceptor = tls_acceptor.clone();
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tokio::spawn(async move {
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// Create TLS server connection
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let tls_conn = match rustls::ServerConnection::new(tls_config.clone()) {
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Ok(conn) => conn,
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Err(e) => {
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eprintln!("TLS connection creation error: {}", e);
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return;
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}
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};
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// Create async TLS stream
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let mut tls_stream = tokio_rustls::server::TlsStream::new(stream, tls_conn);
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// Perform TLS handshake
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match tls_stream.do_handshake().await {
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Ok(_) => {
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match acceptor.accept(stream).await {
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Ok(tls_stream) => {
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// Handle secure connection
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if let Err(e) = handler.handle_https_connection(tls_stream).await {
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eprintln!("HTTPS error from {}: {}", addr, e);
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@ -396,41 +396,96 @@ impl BellandeMeshSync {
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Ok(())
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}
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async fn start_maintenance_tasks(&self) -> Result<(), BellandeMeshError> {
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pub async fn start_maintenance_tasks(&self) -> Result<(), BellandeMeshError> {
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let sync_handler = self.clone();
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let sync_running = Arc::clone(&self.running);
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tokio::spawn(async move {
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while sync_handler.is_running().unwrap_or(false) {
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let mut interval = tokio::time::interval(SYNC_INTERVAL);
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while sync_running.read().await.clone() {
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if let Err(e) = sync_handler.sync_with_peers().await {
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eprintln!("Sync error: {}", e);
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}
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sleep(SYNC_INTERVAL).await;
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interval.tick().await;
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}
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});
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let cleanup_handler = self.clone();
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let cleanup_running = Arc::clone(&self.running);
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tokio::spawn(async move {
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while cleanup_handler.is_running().unwrap_or(false) {
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let mut interval = tokio::time::interval(CLEANUP_INTERVAL);
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while cleanup_running.read().await.clone() {
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if let Err(e) = cleanup_handler.cleanup_dead_nodes().await {
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eprintln!("Cleanup error: {}", e);
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}
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sleep(CLEANUP_INTERVAL).await;
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interval.tick().await;
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}
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});
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let ping_handler = self.clone();
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let ping_running = Arc::clone(&self.running);
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tokio::spawn(async move {
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while ping_handler.is_running().unwrap_or(false) {
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let mut interval = tokio::time::interval(PING_INTERVAL);
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while ping_running.read().await.clone() {
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if let Err(e) = ping_handler.send_ping_to_all_nodes().await {
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eprintln!("Ping error: {}", e);
|
||||
}
|
||||
sleep(PING_INTERVAL).await;
|
||||
interval.tick().await;
|
||||
}
|
||||
});
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_tcp_connection<S>(&self, stream: S) -> Result<(), BellandeMeshError>
|
||||
pub async fn get_all_nodes(&self) -> Result<Vec<Node>, BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
Ok(nodes.clone())
|
||||
}
|
||||
|
||||
// Acquire read lock on nodes
|
||||
pub async fn get_all_nodes_detailed(&self) -> Result<Vec<Node>, BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
|
||||
let nodes_copy = nodes.clone();
|
||||
self.metrics.increment_sync_operations();
|
||||
|
||||
{
|
||||
let mut stats = self.stats.write().await;
|
||||
stats.active_nodes = nodes_copy.len();
|
||||
}
|
||||
|
||||
Ok(nodes_copy)
|
||||
}
|
||||
|
||||
pub async fn get_all_active_nodes(&self) -> Result<Vec<Node>, BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
|
||||
// Filter active nodes
|
||||
let active_nodes: Vec<Node> = nodes
|
||||
.iter()
|
||||
.filter(|node| node.is_alive(Duration::from_secs(self.config.node_timeout)))
|
||||
.cloned()
|
||||
.collect();
|
||||
|
||||
Ok(active_nodes)
|
||||
}
|
||||
|
||||
pub async fn get_nodes_paginated(
|
||||
&self,
|
||||
offset: usize,
|
||||
limit: usize,
|
||||
) -> Result<(Vec<Node>, usize), BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
|
||||
let total = nodes.len();
|
||||
let paginated_nodes: Vec<Node> = nodes.iter().skip(offset).take(limit).cloned().collect();
|
||||
|
||||
Ok((paginated_nodes, total))
|
||||
}
|
||||
|
||||
pub async fn handle_tcp_connection<S>(&self, stream: S) -> Result<(), BellandeMeshError>
|
||||
where
|
||||
S: tokio::io::AsyncRead + tokio::io::AsyncWrite + Unpin,
|
||||
{
|
||||
@ -456,7 +511,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn read_async_message<S>(
|
||||
pub async fn read_async_message<S>(
|
||||
&self,
|
||||
reader: &mut S,
|
||||
buf: &mut [u8],
|
||||
@ -479,7 +534,7 @@ impl BellandeMeshSync {
|
||||
.map_err(|e| BellandeMeshError::Deserialization(e.to_string()))
|
||||
}
|
||||
|
||||
async fn write_async_message<S>(
|
||||
pub async fn write_async_message<S>(
|
||||
&self,
|
||||
writer: &mut S,
|
||||
message: &Message,
|
||||
@ -503,7 +558,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_udp_packet(
|
||||
pub async fn handle_udp_packet(
|
||||
&self,
|
||||
data: &[u8],
|
||||
src: SocketAddr,
|
||||
@ -515,7 +570,10 @@ impl BellandeMeshSync {
|
||||
self.handle_message_internal(message, src).await
|
||||
}
|
||||
|
||||
async fn handle_http_request(&self, req: Request<Body>) -> Result<Response<Body>, Infallible> {
|
||||
pub async fn handle_http_request(
|
||||
&self,
|
||||
req: Request<Body>,
|
||||
) -> Result<Response<Body>, Infallible> {
|
||||
self.update_stats(|stats| stats.http_requests += 1);
|
||||
|
||||
let response = match (req.method(), req.uri().path()) {
|
||||
@ -545,7 +603,7 @@ impl BellandeMeshSync {
|
||||
Ok(response)
|
||||
}
|
||||
|
||||
async fn handle_https_connection<S>(&self, stream: S) -> Result<(), BellandeMeshError>
|
||||
pub async fn handle_https_connection<S>(&self, stream: S) -> Result<(), BellandeMeshError>
|
||||
where
|
||||
S: tokio::io::AsyncRead + tokio::io::AsyncWrite + Unpin,
|
||||
{
|
||||
@ -553,7 +611,7 @@ impl BellandeMeshSync {
|
||||
self.handle_tcp_connection(stream).await
|
||||
}
|
||||
|
||||
async fn handle_message_internal(
|
||||
pub async fn handle_message_internal(
|
||||
&self,
|
||||
message: Message,
|
||||
src: SocketAddr,
|
||||
@ -620,7 +678,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_store(
|
||||
pub async fn handle_store(
|
||||
&self,
|
||||
key: Vec<u8>,
|
||||
value: Vec<u8>,
|
||||
@ -632,7 +690,7 @@ impl BellandeMeshSync {
|
||||
value.clone(),
|
||||
"checksum".to_string(),
|
||||
0,
|
||||
self.get_local_id()?,
|
||||
self.get_local_id().await?,
|
||||
vec![],
|
||||
);
|
||||
|
||||
@ -648,12 +706,12 @@ impl BellandeMeshSync {
|
||||
data.insert(NodeId::from_bytes(&key), chunk);
|
||||
|
||||
// Replicate to closest nodes
|
||||
let closest_nodes = self.find_closest_nodes(&NodeId::from_bytes(&key), 3);
|
||||
let closest_nodes = self.find_closest_nodes(&NodeId::from_bytes(&key), 3).await;
|
||||
for target_node in closest_nodes {
|
||||
let store_msg = Message::Store {
|
||||
key: key.clone(),
|
||||
value: value.clone(),
|
||||
sender: self.get_local_id()?,
|
||||
sender: self.get_local_id().await?,
|
||||
token: rand::random(),
|
||||
};
|
||||
if let Err(e) = self.send_message(target_node.address, &store_msg).await {
|
||||
@ -668,7 +726,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_find_node(
|
||||
pub async fn handle_find_node(
|
||||
&self,
|
||||
target: NodeId,
|
||||
src: SocketAddr,
|
||||
@ -683,7 +741,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_find_value(
|
||||
pub async fn handle_find_value(
|
||||
&self,
|
||||
key: Vec<u8>,
|
||||
src: SocketAddr,
|
||||
@ -700,7 +758,7 @@ impl BellandeMeshSync {
|
||||
let response = Message::Value {
|
||||
key: key.clone(),
|
||||
value: chunk.content.clone(),
|
||||
sender: self.get_local_id()?,
|
||||
sender: self.get_local_id().await?,
|
||||
token: rand::random(),
|
||||
};
|
||||
return self.send_message(src, &response).await;
|
||||
@ -709,17 +767,17 @@ impl BellandeMeshSync {
|
||||
}
|
||||
|
||||
// If not found, return closest nodes
|
||||
let closest_nodes = self.find_closest_nodes(&node_id, 20);
|
||||
let closest_nodes = self.find_closest_nodes(&node_id, 20).await;
|
||||
let response = Message::Nodes {
|
||||
nodes: closest_nodes,
|
||||
sender: self.get_local_id()?,
|
||||
sender: self.get_local_id().await?,
|
||||
token: rand::random(),
|
||||
};
|
||||
self.send_message(src, &response).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_nodes(
|
||||
pub async fn handle_nodes(
|
||||
&self,
|
||||
new_nodes: Vec<Node>,
|
||||
_src: SocketAddr,
|
||||
@ -734,7 +792,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_value(
|
||||
pub async fn handle_value(
|
||||
&self,
|
||||
key: Vec<u8>,
|
||||
value: Vec<u8>,
|
||||
@ -744,7 +802,7 @@ impl BellandeMeshSync {
|
||||
value,
|
||||
"checksum".to_string(),
|
||||
0,
|
||||
self.get_local_id()?,
|
||||
self.get_local_id().await?,
|
||||
vec![],
|
||||
);
|
||||
|
||||
@ -761,7 +819,19 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn find_closest_nodes(&self, target: &NodeId, count: usize) -> Vec<Node> {
|
||||
pub async fn update_stats<F>(&self, updater: F) -> Result<(), BellandeMeshError>
|
||||
where
|
||||
F: FnOnce(&mut NetworkStats),
|
||||
{
|
||||
let mut stats = self
|
||||
.stats
|
||||
.write()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
updater(&mut stats);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn find_closest_nodes(&self, target: &NodeId, count: usize) -> Vec<Node> {
|
||||
let nodes = self.nodes.read().await;
|
||||
let mut distances: Vec<_> = nodes
|
||||
.iter()
|
||||
@ -791,7 +861,7 @@ impl BellandeMeshSync {
|
||||
distance
|
||||
}
|
||||
|
||||
async fn update_node_last_seen(&self, addr: SocketAddr) -> Result<(), BellandeMeshError> {
|
||||
pub async fn update_node_last_seen(&self, addr: SocketAddr) -> Result<(), BellandeMeshError> {
|
||||
let mut nodes = self
|
||||
.nodes
|
||||
.write()
|
||||
@ -802,7 +872,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_join_request(&self, data: Vec<u8>) -> Result<(), BellandeMeshError> {
|
||||
pub async fn handle_join_request(&self, data: Vec<u8>) -> Result<(), BellandeMeshError> {
|
||||
let request: Message = bincode::deserialize(&data)
|
||||
.map_err(|e| BellandeMeshError::Deserialization(e.to_string()))?;
|
||||
|
||||
@ -821,7 +891,7 @@ impl BellandeMeshSync {
|
||||
}
|
||||
}
|
||||
|
||||
async fn handle_join_request_internal(
|
||||
pub async fn handle_join_request_internal(
|
||||
&self,
|
||||
id: NodeId,
|
||||
public_key: PublicKey,
|
||||
@ -844,7 +914,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_data_sync(&self, chunks: Vec<DataChunk>) -> Result<(), BellandeMeshError> {
|
||||
pub async fn handle_data_sync(&self, chunks: Vec<DataChunk>) -> Result<(), BellandeMeshError> {
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
@ -859,7 +929,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_data_request(
|
||||
pub async fn handle_data_request(
|
||||
&self,
|
||||
ids: &[NodeId],
|
||||
src: SocketAddr,
|
||||
@ -884,16 +954,20 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_ping(&self, token: u64, src: SocketAddr) -> Result<(), BellandeMeshError> {
|
||||
pub async fn handle_ping(&self, token: u64, src: SocketAddr) -> Result<(), BellandeMeshError> {
|
||||
let response = Message::Pong {
|
||||
sender: self.get_local_id()?,
|
||||
sender: self.get_local_id().await?,
|
||||
token,
|
||||
};
|
||||
self.send_message(src, &response).await?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn handle_pong(&self, sender: NodeId, src: SocketAddr) -> Result<(), BellandeMeshError> {
|
||||
pub async fn handle_pong(
|
||||
&self,
|
||||
sender: NodeId,
|
||||
src: SocketAddr,
|
||||
) -> Result<(), BellandeMeshError> {
|
||||
let mut nodes = self
|
||||
.nodes
|
||||
.write()
|
||||
@ -904,7 +978,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn restore_nodes(&self, nodes: Vec<Node>) -> Result<(), BellandeMeshError> {
|
||||
pub async fn restore_nodes(&self, nodes: Vec<Node>) -> Result<(), BellandeMeshError> {
|
||||
let mut current_nodes = self.nodes.write().await;
|
||||
for node in nodes {
|
||||
if !current_nodes.iter().any(|n| n.id == node.id) {
|
||||
@ -937,7 +1011,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn sync_with_peers(&self) -> Result<(), BellandeMeshError> {
|
||||
pub async fn sync_with_peers(&self) -> Result<(), BellandeMeshError> {
|
||||
let nodes = {
|
||||
let nodes_guard = self
|
||||
.nodes
|
||||
@ -978,21 +1052,24 @@ impl BellandeMeshSync {
|
||||
node_id: NodeId,
|
||||
chunks: Vec<DataChunk>,
|
||||
) -> Result<(), BellandeMeshError> {
|
||||
// Get read lock on nodes
|
||||
let nodes = self.nodes.read().await;
|
||||
|
||||
// Find the target node
|
||||
if let Some(node) = nodes.iter().find(|n| n.id == node_id) {
|
||||
let mut data = node
|
||||
.data
|
||||
.write()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
// Get write lock on node's data
|
||||
let mut data = node.data.write().await;
|
||||
|
||||
// Insert all chunks
|
||||
for chunk in chunks {
|
||||
data.insert(chunk.id.clone(), chunk);
|
||||
self.metrics.increment_sync_operations();
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn send_response(
|
||||
pub async fn send_response(
|
||||
&self,
|
||||
src: SocketAddr,
|
||||
closest_nodes: Vec<Node>,
|
||||
@ -1005,17 +1082,15 @@ impl BellandeMeshSync {
|
||||
self.send_message(src, &response).await
|
||||
}
|
||||
|
||||
async fn start_metrics_collection(&self) -> Result<(), BellandeMeshError> {
|
||||
pub async fn start_metrics_collection(&self, interval: u64) -> Result<(), BellandeMeshError> {
|
||||
let metrics = self.metrics.clone();
|
||||
let running = self.running.clone();
|
||||
|
||||
tokio::spawn(async move {
|
||||
let mut interval = tokio::time::interval(Duration::from_secs(60));
|
||||
while *running.read().await {
|
||||
let mut interval = tokio::time::interval(Duration::from_secs(interval));
|
||||
while let Ok(true) = running.read().map(|guard| *guard) {
|
||||
interval.tick().await;
|
||||
if let Err(e) = metrics.update_metrics().await {
|
||||
eprintln!("Metrics error: {}", e);
|
||||
}
|
||||
metrics.increment_sync_operations();
|
||||
}
|
||||
});
|
||||
|
||||
@ -1023,57 +1098,56 @@ impl BellandeMeshSync {
|
||||
}
|
||||
|
||||
pub async fn set_max_connections(&self, max_conn: usize) -> Result<(), BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
let mut nodes = self
|
||||
.nodes
|
||||
.write()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
if nodes.len() > max_conn {
|
||||
// Remove excess connections, keeping the oldest/most reliable ones
|
||||
let mut nodes = self.nodes.write().await;
|
||||
nodes.sort_by(|a, b| b.last_seen.cmp(&a.last_seen));
|
||||
nodes.truncate(max_conn);
|
||||
self.update_stats(|stats| stats.active_nodes = max_conn)
|
||||
.await;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn broadcast_data(&self, data: Vec<u8>) -> Result<(), BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
let local_id = self.get_local_id().await?;
|
||||
|
||||
let message = Message::Store {
|
||||
key: vec![], // Broadcast key
|
||||
key: vec![],
|
||||
value: data,
|
||||
sender: self.get_local_id().await?,
|
||||
sender: local_id,
|
||||
token: rand::random(),
|
||||
};
|
||||
|
||||
let mut send_errors = Vec::new();
|
||||
for node in nodes.iter() {
|
||||
if let Err(e) = self.send_message(node.address, &message).await {
|
||||
send_errors.push((node.id.clone(), e));
|
||||
eprintln!("Failed to broadcast to {}: {}", node.address, e);
|
||||
}
|
||||
}
|
||||
|
||||
// Update metrics
|
||||
self.metrics.increment_sync_operations();
|
||||
self.update_stats(|stats| stats.total_messages += 1).await;
|
||||
|
||||
// If any errors occurred, return the first one
|
||||
if let Some((node_id, error)) = send_errors.first() {
|
||||
return Err(BellandeMeshError::Custom(format!(
|
||||
"Failed to broadcast to node {}: {}",
|
||||
node_id, error
|
||||
)));
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub async fn get_network_stats(&self) -> Result<NetworkStats, BellandeMeshError> {
|
||||
let stats = self.stats.read().await;
|
||||
let stats = self
|
||||
.stats
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
|
||||
Ok(NetworkStats {
|
||||
tcp_connections: stats.tcp_connections,
|
||||
udp_packets_received: stats.udp_packets_received,
|
||||
http_requests: stats.http_requests,
|
||||
https_requests: stats.https_requests,
|
||||
active_nodes: self.nodes.read().await.len(),
|
||||
active_nodes: nodes.len(),
|
||||
total_messages: stats.total_messages,
|
||||
start_time: stats.start_time,
|
||||
last_sync: stats.last_sync,
|
||||
@ -1085,30 +1159,27 @@ impl BellandeMeshSync {
|
||||
node_id: NodeId,
|
||||
data: Vec<u8>,
|
||||
) -> Result<(), BellandeMeshError> {
|
||||
let nodes = self.nodes.read().await;
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
let node = nodes
|
||||
.iter()
|
||||
.find(|n| n.id == node_id)
|
||||
.ok_or_else(|| BellandeMeshError::Custom("Node not found".to_string()))?;
|
||||
|
||||
let local_id = self.get_local_id().await?;
|
||||
let message = Message::Store {
|
||||
key: node_id.to_bytes(),
|
||||
value: data,
|
||||
sender: self.get_local_id().await?,
|
||||
sender: local_id,
|
||||
token: rand::random(),
|
||||
};
|
||||
|
||||
// Send the message
|
||||
self.send_message(node.address, &message).await?;
|
||||
|
||||
// Update metrics
|
||||
self.metrics.increment_sync_operations();
|
||||
self.update_stats(|stats| stats.total_messages += 1).await;
|
||||
|
||||
Ok(())
|
||||
self.send_message(node.address, &message).await
|
||||
}
|
||||
|
||||
async fn cleanup_dead_nodes(&self) -> Result<(), BellandeMeshError> {
|
||||
pub async fn cleanup_dead_nodes(&self) -> Result<(), BellandeMeshError> {
|
||||
let timeout = Duration::from_secs(self.config.node_timeout);
|
||||
let mut nodes = self
|
||||
.nodes
|
||||
@ -1132,14 +1203,15 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn send_ping_to_all_nodes(&self) -> Result<(), BellandeMeshError> {
|
||||
pub async fn send_ping_to_all_nodes(&self) -> Result<(), BellandeMeshError> {
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
let local_id = self.get_local_id().await?;
|
||||
let token = rand::random::<u64>();
|
||||
let ping = Message::Ping {
|
||||
sender: self.get_local_id()?,
|
||||
sender: local_id,
|
||||
token,
|
||||
};
|
||||
|
||||
@ -1152,7 +1224,7 @@ impl BellandeMeshSync {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
async fn read_message(&self, stream: &mut TcpStream) -> Result<Message, BellandeMeshError> {
|
||||
pub async fn read_message(&self, stream: &mut TcpStream) -> Result<Message, BellandeMeshError> {
|
||||
let mut len_buf = [0u8; 4];
|
||||
stream.read_exact(&mut len_buf)?;
|
||||
let len = u32::from_be_bytes(len_buf) as usize;
|
||||
@ -1168,7 +1240,7 @@ impl BellandeMeshSync {
|
||||
.map_err(|e| BellandeMeshError::Deserialization(e.to_string()))
|
||||
}
|
||||
|
||||
async fn get_status(&self) -> String {
|
||||
pub async fn get_status(&self) -> String {
|
||||
let stats = self
|
||||
.stats
|
||||
.read()
|
||||
@ -1178,16 +1250,7 @@ impl BellandeMeshSync {
|
||||
serde_json::to_string_pretty(&stats).unwrap_or_else(|_| "Error getting status".to_string())
|
||||
}
|
||||
|
||||
fn update_stats<F>(&self, updater: F)
|
||||
where
|
||||
F: FnOnce(&mut NetworkStats),
|
||||
{
|
||||
if let Ok(mut stats) = self.stats.write() {
|
||||
updater(&mut stats);
|
||||
}
|
||||
}
|
||||
|
||||
fn is_running(&self) -> Result<bool, BellandeMeshError> {
|
||||
pub async fn is_running(&self) -> Result<bool, BellandeMeshError> {
|
||||
self.running
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)
|
||||
@ -1201,7 +1264,7 @@ impl BellandeMeshSync {
|
||||
.map(|nodes| nodes.first().map(|n| n.id).unwrap_or_else(|| NodeId::new()))
|
||||
}
|
||||
|
||||
async fn broadcast_new_node(&self, new_node: &Node) -> Result<(), BellandeMeshError> {
|
||||
pub async fn broadcast_new_node(&self, new_node: &Node) -> Result<(), BellandeMeshError> {
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
@ -1256,12 +1319,11 @@ impl BellandeMeshSync {
|
||||
}
|
||||
|
||||
pub async fn is_node_connected(&self, node_id: &NodeId) -> Result<bool, BellandeMeshError> {
|
||||
Ok(self
|
||||
let nodes = self
|
||||
.nodes
|
||||
.read()
|
||||
.map_err(|_| BellandeMeshError::LockError)?
|
||||
.iter()
|
||||
.any(|node| &node.id == node_id))
|
||||
.map_err(|_| BellandeMeshError::LockError)?;
|
||||
Ok(nodes.iter().any(|node| &node.id == node_id))
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@ -119,52 +119,120 @@ impl PersistenceManager {
|
||||
Ok(nodes)
|
||||
}
|
||||
|
||||
pub fn load_data_chunks(&self, node_id: &NodeId) -> Result<Vec<DataChunk>, BellandeMeshError> {
|
||||
let chunks_dir = self.data_dir.join("data_chunks").join(node_id.to_hex());
|
||||
|
||||
if !chunks_dir.exists() {
|
||||
return Ok(Vec::new());
|
||||
}
|
||||
|
||||
let mut chunks = Vec::new();
|
||||
|
||||
const SUPPORTED_EXTENSIONS: [&str; 2] = ["bellande", "dat"];
|
||||
|
||||
for entry in std::fs::read_dir(chunks_dir)? {
|
||||
let entry = entry?;
|
||||
let path = entry.path();
|
||||
|
||||
if let Some(extension) = path.extension().and_then(|s| s.to_str()) {
|
||||
if SUPPORTED_EXTENSIONS.contains(&extension) {
|
||||
match self.read_chunk_file(&path) {
|
||||
Ok(chunk) => chunks.push(chunk),
|
||||
Err(e) => {
|
||||
eprintln!("Error reading chunk file {:?}: {}", path, e);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
chunks.sort_by(|a, b| a.id.cmp(&b.id));
|
||||
|
||||
Ok(chunks)
|
||||
}
|
||||
|
||||
fn read_chunk_file(&self, path: &Path) -> Result<DataChunk, BellandeMeshError> {
|
||||
let file = self.get_connection(path)?;
|
||||
let reader = BufReader::new(file);
|
||||
|
||||
let extension = path
|
||||
.extension()
|
||||
.and_then(|s| s.to_str())
|
||||
.ok_or_else(|| BellandeMeshError::Custom("Invalid file extension".to_string()))?;
|
||||
|
||||
match extension {
|
||||
"bellande" => bincode::deserialize_from(reader).map_err(|e| {
|
||||
BellandeMeshError::Deserialization(format!(
|
||||
"Failed to deserialize .bellande file: {}",
|
||||
e
|
||||
))
|
||||
}),
|
||||
"dat" => bincode::deserialize_from(reader).map_err(|e| {
|
||||
BellandeMeshError::Deserialization(format!(
|
||||
"Failed to deserialize .dat file: {}",
|
||||
e
|
||||
))
|
||||
}),
|
||||
_ => Err(BellandeMeshError::Custom(
|
||||
"Unsupported file extension".to_string(),
|
||||
)),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn save_data_chunk(
|
||||
&self,
|
||||
node_id: &NodeId,
|
||||
chunk: &DataChunk,
|
||||
use_bellande: bool,
|
||||
) -> Result<(), BellandeMeshError> {
|
||||
let path = self
|
||||
.data_dir
|
||||
.join("data_chunks")
|
||||
.join(node_id.to_hex())
|
||||
.join(format!("{}.dat", chunk.id.to_hex()));
|
||||
let chunks_dir = self.data_dir.join("data_chunks").join(node_id.to_hex());
|
||||
std::fs::create_dir_all(&chunks_dir)?;
|
||||
|
||||
let extension = if use_bellande { "bellande" } else { "dat" };
|
||||
let file_name = format!("{}.{}", chunk.id.to_hex(), extension);
|
||||
let path = chunks_dir.join(file_name);
|
||||
|
||||
std::fs::create_dir_all(path.parent().unwrap())?;
|
||||
let file = self.get_connection(&path)?;
|
||||
let writer = BufWriter::new(file);
|
||||
|
||||
bincode::serialize_into(writer, chunk)
|
||||
bincode::serialize_into(file, chunk)
|
||||
.map_err(|e| BellandeMeshError::Serialization(e.to_string()))?;
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn load_data_chunks(
|
||||
pub async fn migrate_chunk_format(
|
||||
&self,
|
||||
node_id: &NodeId,
|
||||
) -> Result<HashMap<NodeId, DataChunk>, BellandeMeshError> {
|
||||
to_bellande: bool,
|
||||
) -> Result<(), BellandeMeshError> {
|
||||
let chunks = self.load_data_chunks(node_id)?;
|
||||
|
||||
let chunks_dir = self.data_dir.join("data_chunks").join(node_id.to_hex());
|
||||
let temp_dir = chunks_dir.with_extension("temp");
|
||||
std::fs::create_dir_all(&temp_dir)?;
|
||||
|
||||
if !chunks_dir.exists() {
|
||||
return Ok(HashMap::new());
|
||||
}
|
||||
for chunk in &chunks {
|
||||
let extension = if to_bellande { "bellande" } else { "dat" };
|
||||
let file_name = format!("{}.{}", chunk.id.to_hex(), extension);
|
||||
let path = temp_dir.join(file_name);
|
||||
|
||||
let mut chunks = HashMap::new();
|
||||
for entry in std::fs::read_dir(chunks_dir)? {
|
||||
let entry = entry?;
|
||||
let path = entry.path();
|
||||
if path.extension().and_then(|s| s.to_str()) == Some("dat") {
|
||||
let file = self.get_connection(&path)?;
|
||||
let reader = BufReader::new(file);
|
||||
|
||||
let chunk: DataChunk = bincode::deserialize_from(reader)
|
||||
.map_err(|e| BellandeMeshError::Deserialization(e.to_string()))?;
|
||||
chunks.insert(chunk.id, chunk);
|
||||
}
|
||||
bincode::serialize_into(file, chunk)
|
||||
.map_err(|e| BellandeMeshError::Serialization(e.to_string()))?;
|
||||
}
|
||||
|
||||
Ok(chunks)
|
||||
let backup_dir = chunks_dir.with_extension("backup");
|
||||
if chunks_dir.exists() {
|
||||
std::fs::rename(&chunks_dir, &backup_dir)?;
|
||||
}
|
||||
|
||||
std::fs::rename(&temp_dir, &chunks_dir)?;
|
||||
|
||||
if backup_dir.exists() {
|
||||
std::fs::remove_dir_all(backup_dir)?;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn get_connection(&self, path: &Path) -> Result<File, BellandeMeshError> {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user