Implement server and node ping command

lazy-supplements/src/cli/config.rs

@@ -0,0 +1,30 @@
+use std::path::PathBuf;
+
+use clap::Args;
+use libp2p::identity;
+
+use crate::{config::{NodeConfig, RawNodeConfig}, error::Error, global::{DEFAULT_CONFIG_FILE_PATH, DEFAULT_RAW_NODE_CONFIG}};
+
+#[derive(Args, Clone, Debug)]
+pub struct ConfigArgs {
+    #[arg(long)]
+    pub config: Option<PathBuf>,
+    #[command(flatten)]
+    pub node_config: RawNodeConfig,
+}
+
+impl ConfigArgs {
+    pub fn get_config_path_or_default(&self) -> PathBuf {
+        if let Some(x) = self.config.as_ref() {
+            x.clone()
+        } else {
+            DEFAULT_CONFIG_FILE_PATH.to_path_buf()
+        }
+    }
+    pub async fn try_into_raw_node_config(self) -> Result<RawNodeConfig, Error> {
+        Ok(RawNodeConfig::read_from(self.get_config_path_or_default()).await? + self.node_config)
+    }
+    pub async fn try_into_node_config(self) -> Result<NodeConfig, Error> {
+        Ok((DEFAULT_RAW_NODE_CONFIG.clone() + self.try_into_raw_node_config().await?).try_into()?)
+    }
+}

lazy-supplements/src/cli/mod.rs

@@ -1,7 +1,11 @@
 use std::path::PathBuf;
 
+mod config;
 mod init;
 mod node;
+mod server;
 
+pub use config::ConfigArgs;
 pub use init::InitArgs;
 pub use node::{ NodeArgs, NodeCommand, JoinNodeArgs };
+pub use server::ServerArgs;

lazy-supplements/src/cli/node.rs

@@ -7,7 +7,9 @@ use libp2p::{
 };
 use tracing_subscriber::EnvFilter;
 
-use crate::error::Error;
+use crate::{cli::ServerArgs, error::Error};
+
+use super::ConfigArgs;
 
 #[derive(Args, Debug)]
 pub struct NodeArgs {
@@ -18,13 +20,13 @@ pub struct NodeArgs {
 #[derive(Args, Debug)]
 pub struct JoinNodeArgs {
     #[arg(long)]
-    pub endpoint: IpAddr,
+    pub peer_ip: IpAddr,
     #[arg(long)]
-    pub port: u16,
-    #[arg(long)]
-    pub peer_id: String,
-    #[arg(long)]
-    pub config: Option<PathBuf>,
+    pub peer_port: u16,
+    //#[arg(long)]
+    //pub peer_id: String,
+    #[command(flatten)]
+    pub config: ConfigArgs,
 }
 
 #[derive(Debug, Subcommand)]
@@ -36,28 +38,14 @@ pub enum NodeCommand {
 
 impl JoinNodeArgs {
     pub async fn ping(self) -> Result<(), Error> {
-        let _ = tracing_subscriber::fmt()
-            .with_env_filter(EnvFilter::from_default_env())
-            .try_init();
-        let mut swarm = libp2p::SwarmBuilder::with_new_identity()
-            .with_tokio()
-            .with_tcp(
-                tcp::Config::default(),
-                noise::Config::new,
-                yamux::Config::default,
-            )?
-            .with_behaviour(|_| ping::Behaviour::default())?
-            .build();
-            
-        swarm.listen_on("/ip4/0.0.0.0/tcp/0".parse()?)?;
-        
+        let mut swarm = self.config.try_into_node_config().await?.try_into_swarm().await?;
 
         let mut remote: Multiaddr = Multiaddr::empty();
-        remote.push(match self.endpoint {
+        remote.push(match self.peer_ip {
             IpAddr::V4(x) => Protocol::Ip4(x),
             IpAddr::V6(x) => Protocol::Ip6(x),
         });
-        remote.push(Protocol::Tcp(self.port));
+        remote.push(Protocol::Tcp(self.peer_port));
         let addr = remote.to_string();
         swarm.dial(remote)?;
         println!("Dialed {addr}");

lazy-supplements/src/cli/server.rs

@@ -0,0 +1,26 @@
+use clap::Args;
+use futures::StreamExt;
+use libp2p::{noise, ping, swarm::{NetworkBehaviour, SwarmEvent}, tcp, yamux, Swarm};
+use tracing_subscriber::EnvFilter;
+
+use crate::error::Error;
+
+use super::ConfigArgs;
+
+#[derive(Args, Debug)]
+pub struct ServerArgs {
+    #[command(flatten)]
+    config: ConfigArgs,
+}
+impl ServerArgs {
+    pub async fn start_server(self) -> Result<(), Error>{
+        let mut swarm = self.config.try_into_node_config().await?.try_into_swarm().await?;
+        loop{
+            match swarm.select_next_some().await {
+                SwarmEvent::NewListenAddr { address, .. } => println!("Listening on {address:?}"),
+                SwarmEvent::Behaviour(event) => println!("{event:?}"),
+                _ => {}
+            }
+        }
+    }
+}

lazy-supplements/src/config/mod.rs

@@ -14,43 +14,4 @@ pub struct PartialConfig {
     node: Option<NodeConfig>,
 }
 
-impl PartialConfig {
-    pub fn new() -> Self {
-        PartialConfig {
-            node: Some(NodeConfig::default()),
-        }
-    }
-    pub async fn read_or_create<T>(path: T) -> Result<Self, Error> 
-    where
-    T: AsRef<Path>
-    {
-        if !path.as_ref().exists() {
-            Self::new().write_to(&path).await?;
-        }
-        Self::read_from(&path).await
-    }
-    pub async fn read_from<T>(path:T) -> Result<Self, Error> 
-    where 
-    T: AsRef<Path>
-    {
-        let mut file = File::open(path.as_ref()).await?;
-        let mut content = String::new();
-        file.read_to_string(&mut content).await?;
-        let config: PartialConfig = toml::from_str(&content)?;
-        Ok(config)
-    }
-    pub async fn write_to<T>(&self, path:T) -> Result<(), Error> 
-    where 
-    T: AsRef<Path>
-    {
-        if !path.as_ref().exists() {
-            let _ = File::create(&path).await?;
-        }
-        let mut file = File::open(&path).await?;
-        file.write_all(toml::to_string(self)?.as_bytes()).await?;
-        Ok(())
-    }
-}
-
-
 

lazy-supplements/src/config/node.rs

@@ -1,13 +1,14 @@
-use std::{net::IpAddr, path::{Path, PathBuf}};
+use std::{net::IpAddr, ops, path::{Path, PathBuf}};
 
 use base64::{prelude::BASE64_STANDARD, Engine};
 use clap::Args;
-use libp2p::identity::{self, DecodingError, Keypair};
+use libp2p::{identity::{self, DecodingError, Keypair}, noise, ping, tcp, yamux, Swarm};
 use serde::{Deserialize, Serialize};
 use tokio::{fs::File, io::{AsyncReadExt, AsyncWriteExt}};
+use tracing_subscriber::EnvFilter;
 
 
-use crate::{error::Error, global::DEFAULT_DATABASE_FILE_PATH};
+use crate::{cli::ConfigArgs, error::Error, global::DEFAULT_DATABASE_FILE_PATH};
 
 use super::{PartialConfig, DEFAULT_LISTEN_IPS, DEFAULT_PORT};
 
@@ -20,26 +21,33 @@ fn keypair_to_base64(keypair: &Keypair) -> Result<String, Error> {
 fn base64_to_keypair(base64: &str) -> Result<Keypair, Error>  {
         let vec = BASE64_STANDARD.decode(base64)?;
         Ok(Keypair::from_protobuf_encoding(&vec)?)
-
 }
 
 #[derive(Debug, Deserialize, Serialize)]
 pub struct NodeConfig {
     #[serde(with = "keypair_parser")]
-    secret: Keypair,
-    database_path: PathBuf,
-    listen_ips: Vec<IpAddr>,
-    port: u16,
+    pub secret: Keypair,
+    pub database_path: PathBuf,
+    pub listen_ips: Vec<IpAddr>,
+    pub port: u16,
 }
 
-impl Default for NodeConfig {
-    fn default() -> NodeConfig{
-        NodeConfig {
-            secret: identity::Keypair::generate_ed25519(),
-            database_path: DEFAULT_DATABASE_FILE_PATH.to_path_buf(),
-            listen_ips: DEFAULT_LISTEN_IPS.to_vec(),
-            port: DEFAULT_PORT,
-        }
+impl NodeConfig {
+    pub async fn try_into_swarm (self) -> Result<Swarm<ping::Behaviour>, Error> {
+        let _ = tracing_subscriber::fmt()
+            .with_env_filter(EnvFilter::from_default_env())
+            .try_init();
+        let mut swarm = libp2p::SwarmBuilder::with_existing_identity(self.secret)
+            .with_tokio()
+            .with_tcp(
+                tcp::Config::default(),
+                noise::Config::new,
+                yamux::Config::default,
+            )?
+            .with_behaviour(|_| ping::Behaviour::default())?
+            .build();
+        swarm.listen_on("/ip4/0.0.0.0/tcp/0".parse()?)?;
+        Ok(swarm)
     }
 }
 
@@ -78,16 +86,16 @@ mod keypair_parser {
     }
 }
 
-#[derive(Args, Debug, Deserialize, Serialize)]
+#[derive(Args, Clone, Debug, Deserialize, Serialize)]
 pub struct RawNodeConfig {
     #[arg(skip)]
-    secret: Option<String>,
+    pub secret: Option<String>,
     #[arg(long)]
-    database_path: Option<PathBuf>,
+    pub database_path: Option<PathBuf>,
     #[arg(long)]
-    listen_ips: Option<Vec<IpAddr>>,
+    pub listen_ips: Option<Vec<IpAddr>>,
     #[arg(long)]
-    port: Option<u16>,
+    pub port: Option<u16>,
 }
 impl RawNodeConfig {
 
@@ -138,8 +146,33 @@ impl RawNodeConfig {
         file.write_all(toml::to_string(self)?.as_bytes()).await?;
         Ok(())
     }
+
+    pub fn merge(&mut self, another: RawNodeConfig) {
+        if let Some(x) = another.secret {
+            self.secret = Some(x);
+        };
+        if let Some(x) = another.database_path {
+            self.database_path = Some(x);
+        };
+        if let Some(x) = another.listen_ips {
+            self.listen_ips = Some(x);
+        };
+        if let Some(x) = another.port {
+            self.port = Some(x);
+        };
+    }
 }
 
+impl ops::Add<RawNodeConfig> for RawNodeConfig {
+    type Output = RawNodeConfig;
+    fn add(mut self, another: RawNodeConfig) -> RawNodeConfig {
+        self.merge(another);
+        self
+    }
+}
+
+
+
 #[cfg(test)]
 mod tests {
     use libp2p::identity;

lazy-supplements/src/global/mod.rs

@@ -1,6 +1,6 @@
 use std::{net::{IpAddr, Ipv4Addr}, path::PathBuf, sync::LazyLock};
 
-use crate::config::NodeConfig;
+use crate::config::{NodeConfig, RawNodeConfig};
 use sea_orm::DatabaseConnection;
 use tokio::sync::OnceCell;
 
@@ -69,4 +69,13 @@ impl Global {
     pub async fn get_or_try_init_node_config(&self, config: NodeConfig) -> &NodeConfig {
         self.node_config.get_or_init(|| async {config}).await
     }
-}
+}
+
+pub static DEFAULT_RAW_NODE_CONFIG: LazyLock<RawNodeConfig> = LazyLock::new(|| {
+    RawNodeConfig {
+        secret: None,
+        database_path: Some(DEFAULT_DATABASE_FILE_PATH.to_path_buf()),
+        listen_ips: Some(DEFAULT_LISTEN_IPS.to_vec()),
+        port: Some(DEFAULT_PORT),
+    }
+});

lazy-supplements/src/main.rs

@@ -1,5 +1,5 @@
 use clap::{Parser, Subcommand};
-use lazy_supplements::{cli::{InitArgs, NodeArgs, NodeCommand}, *};
+use lazy_supplements::{cli::{InitArgs, NodeArgs, NodeCommand, ServerArgs}, *};
 
 #[derive(Debug, Parser)]
 struct Cli {
@@ -11,6 +11,7 @@ struct Cli {
 enum Command {
     Node(NodeArgs),
     Init(InitArgs),
+    Server(ServerArgs),
 }
 
 
@@ -22,5 +23,6 @@ async fn main() {
             NodeCommand::Join(y) => println!("{y:?}"),
         },
         Command::Init(x) => x.init_config().await,
+        Command::Server(x) => x.start_server().await.unwrap(),
     }
 }