Wrote some logic in TestInterface, fixed some warnings

src/interface.rs

@@ -96,7 +96,7 @@ pub mod test_interface {
             let mut storage_locked = self.storage.lock();
             while let Some(i) = storage_locked
                 .iter()
-                .position(|msg| msg.1 == self.this_peer_id)
+                .position(|msg| msg.1 == self.this_peer_id || msg.1.is_empty())
             {
                 self.messages.push(storage_locked.remove(i));
             }
@@ -108,10 +108,11 @@ pub mod test_interface {
         }
 
         fn send(&mut self, message: &[u8], target: Option<TargetingData>) -> IFResult<()> {
-            Ok(self
+            self
                 .storage
                 .lock()
-                .push((Vec::from(message), target.unwrap_or_default())))
+                .push((Vec::from(message), target.unwrap_or_default()));
+            Ok(())
         }
 
         fn receive(&mut self) -> IFResult<Option<(MessageBytes, TargetingData)>> {

src/interfaces/ip.rs

@@ -1,16 +1,17 @@
 use alloc::borrow::ToOwned;
-use std::net;
-use std::thread;
+use alloc::string::{String, ToString};
 use alloc::vec;
 use alloc::vec::Vec;
-use alloc::string::{String, ToString};
 use core::ops::RangeInclusive;
 use core::time::Duration;
+use std::net;
+#[cfg(test)]
+use std::thread;
 
 use crate::interface::{Interface, InterfaceRequirements, TargetingData};
 use crate::message::MessageBytes;
-use crate::res::{IFError, IFResult};
 use crate::res::IFError::General;
+use crate::res::{IFError, IFResult};
 use crate::std::io::{Read, Write};
 use crate::std::println;
 
@@ -22,7 +23,7 @@ pub struct IPInterface {
     connections: Vec<net::TcpStream>,
     listener: net::TcpListener,
     peers: Vec<net::IpAddr>,
-    package_queue: Vec<IPPackage>
+    package_queue: Vec<IPPackage>,
 }
 
 #[derive(Debug)]
@@ -46,7 +47,7 @@ impl MessageType {
             0 => Ok(MessageType::Service),
             1 => Ok(MessageType::PeerRequest),
             2 => Ok(MessageType::Common),
-            _ => Err(IFError::General("Incorrect message type".to_string()))
+            _ => Err(IFError::General("Incorrect message type".to_string())),
         }
     }
 
@@ -54,7 +55,7 @@ impl MessageType {
         match self {
             MessageType::Service => 0,
             MessageType::PeerRequest => 1,
-            MessageType::Common => 2
+            MessageType::Common => 2,
         }
     }
 }
@@ -86,7 +87,12 @@ impl Interface for IPInterface {
             let mut message: Vec<u8> = vec![];
             message_take.read_to_end(&mut message)?;
 
-            let package = IPPackage {version, package_type, size, message};
+            let package = IPPackage {
+                version,
+                package_type,
+                size,
+                message,
+            };
             self.package_queue.push(package);
         }
 
@@ -102,43 +108,53 @@ impl Interface for IPInterface {
     fn send(&mut self, message: &[u8], interface_data: Option<TargetingData>) -> IFResult<()> {
         let addr: net::SocketAddr = match interface_data {
             Some(ip_string) => ip_string.parse().expect("Unable to parse address"),
-            None => return Err(IFError::General(String::from("Not enough info to create connections")))
+            None => {
+                return Err(IFError::General(String::from(
+                    "Not enough info to create connections",
+                )))
+            }
         };
 
         println!("Connecting to {:?}", addr);
 
-
-        let index = match self.connections.iter().position(|connection| connection.peer_addr().ok() == Some(addr)) {
+        let index = match self
+            .connections
+            .iter()
+            .position(|connection| connection.peer_addr().ok() == Some(addr))
+        {
             None => {
-                let connection = match net::TcpStream::connect_timeout(
-                    &addr,
-                    Duration::new(1, 0),
-                ) {
+                let connection = match net::TcpStream::connect_timeout(&addr, Duration::new(1, 0)) {
                     Ok(connection) => connection,
-                    Err(_) => return Err(General(String::from("Can't connect to this port")))
+                    Err(_) => return Err(General(String::from("Can't connect to this port"))),
                 };
                 self.connections.push(connection);
                 self.connections.len() - 1
             }
-            Some(i) => i
+            Some(i) => i,
         };
-        println!("Sending message to {:?}", self.connections[index].peer_addr().unwrap());
+        println!(
+            "Sending message to {:?}",
+            self.connections[index].peer_addr().unwrap()
+        );
 
         self.connections[index].set_write_timeout(Some(Duration::new(1, 0)))?;
 
-        IPInterface::send_package(&mut self.connections[index], IPPackage {
-            version: 0,
-            package_type: MessageType::Common,
-            size: message.len() as u32,
-            message: Vec::from(message),
-        })?;
+        IPInterface::send_package(
+            &mut self.connections[index],
+            IPPackage {
+                version: 0,
+                package_type: MessageType::Common,
+                size: message.len() as u32,
+                message: Vec::from(message),
+            },
+        )?;
         println!("Sent message");
         Ok(())
     }
     fn receive(&mut self) -> IFResult<Option<(MessageBytes, TargetingData)>> {
         match self.package_queue.pop() {
-            Some(ip_package) => Ok(Some( (ip_package.message, "".to_string()) )),
-            None => Ok(None)
+            Some(ip_package) => Ok(Some((ip_package.message, "".to_string()))),
+            None => Ok(None),
         }
     }
 }
@@ -148,7 +164,9 @@ impl IPInterface {
         let listener = match create_tcp_listener() {
             Some(listener) => listener,
             None => {
-                return Err(IFError::General(String::from("Unable to open TCP listener")));
+                return Err(IFError::General(String::from(
+                    "Unable to open TCP listener",
+                )));
             }
         };
 
@@ -156,10 +174,10 @@ impl IPInterface {
 
         Ok(IPInterface {
             id: String::from("IP Interface"),
-            connections: vec!(),
+            connections: vec![],
             listener,
-            peers: vec!(),
-            package_queue: vec!()
+            peers: vec![],
+            package_queue: vec![],
         })
     }
     pub fn dump(&self) -> IFResult<Vec<u8>> {
@@ -173,9 +191,7 @@ impl IPInterface {
     }
 
     fn send_package(stream: &mut net::TcpStream, package: IPPackage) -> IFResult<()> {
-        let mut header: Vec<u8> = vec![];
-        header.push(package.version);
-        header.push(package.package_type.to_u8());
+        let mut header: Vec<u8> = vec![package.version, package.package_type.to_u8()];
         for byte in size_to_bytes(package.size) {
             header.push(byte);
         }
@@ -186,14 +202,13 @@ impl IPInterface {
     }
 }
 
-
 fn create_tcp_listener() -> Option<net::TcpListener> {
     for port in SOCKET_RANGE {
         match net::TcpListener::bind("127.0.0.1:".to_owned() + &port.to_string()) {
             Ok(listener) => return Some(listener),
             Err(_e) => {}
         }
-    };
+    }
     None
 }
 
@@ -206,7 +221,6 @@ fn parse_header(data: Vec<u8>) -> IFResult<IPPackage> {
     })
 }
 
-
 fn size_to_bytes(mut a: u32) -> [u8; 4] {
     let mut arr: [u8; 4] = [0, 0, 0, 0];
     for i in [3, 2, 1, 0] {
@@ -232,7 +246,9 @@ fn test_creating_connection() -> IFResult<()> {
     let mut interface2 = IPInterface::new()?;
 
     let t1 = std::thread::spawn(move || {
-        interface1.send(&message, Some(String::from("127.0.0.1:50001"))).unwrap();
+        interface1
+            .send(&message, Some(String::from("127.0.0.1:50001")))
+            .unwrap();
         interface1
     });
     thread::sleep(Duration::from_millis(10));
@@ -244,9 +260,8 @@ fn test_creating_connection() -> IFResult<()> {
     match res1 {
         Ok(_res) => {
             println!("Thread Ok");
-
         }
-        Err(e) => println!("{:?}", e)
+        Err(e) => println!("{:?}", e),
     }
     let res2 = t2.join();
     match res2 {
@@ -255,18 +270,15 @@ fn test_creating_connection() -> IFResult<()> {
             match res.receive() {
                 Ok(tmp) => match tmp {
                     Some((message, _metadata)) => println!("Received {:?}", message),
-                    None => println!("None")
-                }
-                Err(e) => println!("{:?}", e)
+                    None => println!("None"),
+                },
+                Err(e) => println!("{:?}", e),
             }
         }
-        Err(e) => println!("{:?}", e)
+        Err(e) => println!("{:?}", e),
     }
     Ok(())
 }
 
 #[cfg(test)]
 pub mod test_ip_interface {}
-
-
-

src/ironforce.rs

@@ -2,7 +2,7 @@ use crate::crypto::PublicKey;
 use crate::message::{Message, MessageType, ServiceMessageType};
 use crate::res::{IFError, IFResult};
 use crate::transport::Transport;
-use crate::tunnel::Tunnel;
+use crate::tunnel::{Tunnel, TunnelPublic};
 use alloc::vec;
 use alloc::vec::Vec;
 
@@ -18,6 +18,12 @@ pub struct IronForce {
     additional_modules: Vec<()>,
     /// Non-service messages to give outside
     messages: Vec<Message>,
+    /// Tunnels that has not been confirmed yet (no backward spread)
+    ///
+    /// `[(Tunnel, Optional target node)]`
+    tunnels_pending: Vec<(TunnelPublic, Option<PublicKey> /* target node */)>,
+    /// True if this instance has background thread
+    has_background_worker: bool,
 }
 
 impl IronForce {
@@ -28,17 +34,26 @@ impl IronForce {
             tunnels: vec![],
             additional_modules: vec![],
             messages: vec![],
+            tunnels_pending: vec![],
+            has_background_worker: false,
         }
     }
 
     /// Create a new tunnel to another node
-    fn create_new_tunnel(&mut self, _destination: PublicKey) -> IFResult<Tunnel> {
-        todo!()
+    fn initialize_tunnel_creation(&mut self, destination: PublicKey) -> IFResult<()> {
+        let tunnel = TunnelPublic::new_singlecast();
+        self.tunnels_pending.push((tunnel.clone(), Some(destination)));
+        let message = Message::build()
+            .message_type(MessageType::Service(ServiceMessageType::TunnelBuilding(
+                tunnel
+            ))).build()?;
+        self.send_to_all(message)?;
+        Ok(())
     }
 
     /// Send a multicast or broadcast message
-    fn send_to_all(&mut self, _message: Message) -> IFResult<()> {
-        todo!()
+    fn send_to_all(&mut self, message: Message) -> IFResult<()> {
+        self.transport.send_message(serde_cbor::to_vec(&message)?, None)
     }
 
     /// Send a message through tunnel
@@ -74,7 +89,7 @@ impl IronForce {
 
     /// Process a message: if it's a service message, act accordingly.
     /// Otherwise, add to `self.messages`
-    fn process_message(&mut self, message: Message) {
+    fn process_message(&mut self, message: Message, _inc_peer: u64) -> IFResult<()> {
         match message.message_type {
             MessageType::Service(msg_type) => match msg_type {
                 ServiceMessageType::TunnelBuilding(_tunnel) => {
@@ -83,10 +98,42 @@ impl IronForce {
             },
             MessageType::SingleCast | MessageType::Broadcast => self.messages.push(message),
         }
+        Ok(())
     }
 
     /// Get a message from `self.messages`
     pub fn read_message(&mut self) -> Option<Message> {
         self.messages.pop()
     }
+
+    pub fn main_loop_iteration(&mut self) -> IFResult<()> {
+        self.transport.main_loop_iteration()?;
+        while let Some((msg, inc_peer)) = self.transport.receive() {
+            self.process_message(serde_cbor::from_slice(msg.as_slice())?, inc_peer)?
+        }
+        Ok(())
+    }
+}
+
+#[cfg(test)]
+mod if_testing {
+    use crate::ironforce::IronForce;
+    use alloc::vec::Vec;
+    use alloc::vec;
+    use alloc::boxed::Box;
+    use crate::interface::test_interface::create_test_interfaces;
+    use crate::transport::Transport;
+
+    fn create_test_network() -> Vec<IronForce> {
+        let interfaces = create_test_interfaces(5);
+        let transports = interfaces.into_iter().map(|interface| Transport::new(vec![Box::new(interface)]));
+        transports.map(|tr| IronForce {
+            transport: tr,
+            tunnels: vec![],
+            additional_modules: vec![],
+            messages: vec![],
+            tunnels_pending: vec![],
+            has_background_worker: false
+        }).collect()
+    }
 }

src/transport.rs

@@ -168,7 +168,7 @@ fn test_adding_peer_to_transport() {
 fn test_transport_sending() {
     let mut transport = Transport::new(vec![Box::new(SimpleTestInterface::default())]);
     let (interface_id, interface_targeting_data) = ("test_interface".to_string(), "hi".to_string());
-    let peer_id = transport.find_or_add_peer(interface_id.clone(), interface_targeting_data.clone());
+    let peer_id = transport.find_or_add_peer(interface_id, interface_targeting_data.clone());
     transport.send_message(vec![239, 123], None).unwrap();
     assert_eq!(transport.interfaces[0].receive().unwrap(), Some((vec![239u8, 123], "".to_string())));
     assert!(transport.interfaces[0].receive() == IFResult::Ok(None));
@@ -180,7 +180,7 @@ fn test_transport_sending() {
 fn test_transport_receiving() {
     let mut transport = Transport::new(vec![Box::new(SimpleTestInterface::default())]);
     let (interface_id, interface_targeting_data) = ("test_interface".to_string(), "hi".to_string());
-    let peer_id = transport.find_or_add_peer(interface_id.clone(), interface_targeting_data.clone());
+    let peer_id = transport.find_or_add_peer(interface_id.clone(), interface_targeting_data);
     transport.send_message(vec![239, 123], None).unwrap();
     assert_eq!(transport.receive(), Some((vec![239u8, 123], transport.get_peer_by_parameters(interface_id.as_str(), "").unwrap().peer_id)));
     assert!(transport.receive().is_none());

src/tunnel.rs

@@ -2,6 +2,7 @@ use alloc::vec::Vec;
 use crate::crypto::PublicKey;
 use serde::{Serialize, Deserialize};
 use sha2::Digest;
+use alloc::vec;
 
 /// A tunnel that is used for communication
 #[derive(Serialize, Clone, Deserialize)]
@@ -27,16 +28,29 @@ pub struct Tunnel {
 #[derive(Serialize, Clone, Deserialize)]
 pub struct TunnelPublic {
     /// Tunnel's id
-    id: Option<u64>,
+    pub id: Option<u64>,
     /// Ids, each of them is just for local storage on each node until a final global id is created
-    local_ids: Vec<u64>,
+    pub local_ids: Vec<u64>,
     /// Time at which this tunnel should be destroyed (UNIX epoch)
-    ttd: u64,
+    pub ttd: u64,
     /// Public keys of nodes in the tunnel
     nodes_in_tunnel: Option<Vec<PublicKey>>,
+    /// Is this tunnel used for multicast?
+    pub is_multicast: bool,
 }
 
 impl TunnelPublic {
+    pub fn new_singlecast() -> Self {
+        Self {
+            id: None,
+            local_ids: vec![rand::random()],
+            ttd: 0,
+            nodes_in_tunnel: None,
+            is_multicast: false,
+        }
+    }
+
+    /// Get the hash of the tunnel for verification
     pub fn hash(&self) -> Vec<u8> {
         sha2::Sha224::new()
             .chain(serde_cbor::to_vec(self).unwrap().as_slice())
@@ -49,14 +63,12 @@ impl TunnelPublic {
             id: Some(56),
             local_ids: vec![5, 500, 120],
             ttd: 56,
-            nodes_in_tunnel: Some(vec![crate::crypto::Keys::generate().get_public()])
+            nodes_in_tunnel: Some(vec![crate::crypto::Keys::generate().get_public()]),
+            is_multicast: true,
         }
     }
 }
 
-#[cfg(test)]
-use alloc::vec;
-
 #[test]
 fn test_tunnel_hashing() {
     let tun = TunnelPublic::new_for_test();
@@ -65,6 +77,7 @@ fn test_tunnel_hashing() {
         id: Some(56),
         local_ids: vec![5, 500, 120],
         ttd: 56,
-        nodes_in_tunnel: Some(vec![crate::crypto::Keys::generate().get_public()])
+        nodes_in_tunnel: Some(vec![crate::crypto::Keys::generate().get_public()]),
+        is_multicast: false,
     }.hash());
 }