refactor(rust): enable requests to be messages

.github/actions/cache_nix/action.yml

@@ -17,7 +17,7 @@ runs:
     - name: Restore and Save Cache
       id: nix-restore-and-save
       if: ${{ github.event_name == 'schedule' }}
-      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
+      uses: actions/cache@v4
       with:
         path: |
           /tmp/nix-cache
@@ -26,7 +26,7 @@ runs:
     - name: Restore Cache
       id: nix-restore
       if: ${{ github.event_name != 'schedule' }}
-      uses: actions/cache/restore@704facf57e6136b1bc63b828d79edcd491f0ee84
+      uses: actions/cache/restore@v4
       with:
         path: |
           /tmp/nix-cache

.github/actions/nix_installer_and_cache/action.yml

@@ -19,7 +19,7 @@ runs:
     - name: Restore and Save Cache
       id: nix-restore-and-save
       if: ${{ github.event_name == 'schedule' }}
-      uses: actions/cache@704facf57e6136b1bc63b828d79edcd491f0ee84
+      uses: actions/cache@v4
       with:
         path: |
           /tmp/nix-cache
@@ -28,7 +28,7 @@ runs:
     - name: Restore Cache
       id: nix-restore
       if: ${{ github.event_name != 'schedule' }}
-      uses: actions/cache/restore@704facf57e6136b1bc63b828d79edcd491f0ee84
+      uses: actions/cache/restore@v4
       with:
         path: |
           /tmp/nix-cache

examples/rust/file_transfer/src/messages.rs

@@ -1,18 +1,39 @@
-use ockam::Message;
+use ockam::{deserialize, serialize, Decodable, Encodable, Encoded, Message};
 use serde::{Deserialize, Serialize};
 
-#[derive(Serialize, Deserialize)]
+#[derive(Serialize, Deserialize, Message)]
 pub struct FileDescription {
     pub name: String,
     pub size: usize,
 }
-impl Message for FileDescription {}
 
-#[derive(Serialize, Deserialize)]
+impl Encodable for FileDescription {
+    fn encode(self) -> ockam::Result<Encoded> {
+        serialize(self)
+    }
+}
+
+impl Decodable for FileDescription {
+    fn decode(v: &[u8]) -> ockam::Result<Self> {
+        deserialize(v)
+    }
+}
+
+#[derive(Serialize, Deserialize, Message)]
 pub enum FileData {
     Description(FileDescription),
     Data(Vec<u8>),
     Quit,
 }
 
-impl Message for FileData {}
+impl Encodable for FileData {
+    fn encode(self) -> ockam::Result<Encoded> {
+        serialize(self)
+    }
+}
+
+impl Decodable for FileData {
+    fn decode(v: &[u8]) -> ockam::Result<Self> {
+        deserialize(v)
+    }
+}

examples/rust/get_started/examples/04-routing-over-transport-initiator.rs

@@ -17,7 +17,7 @@ async fn main(ctx: Context) -> Result<()> {
     // Send a message to the "echoer" worker on a different node, over a tcp transport.
     // Wait to receive a reply and print it.
     let r = route![connection_to_responder, "echoer"];
-    let reply = node.send_and_receive::<String>(r, "Hello Ockam!".to_string()).await?;
+    let reply: String = node.send_and_receive(r, "Hello Ockam!".to_string()).await?;
 
     println!("App Received: {}", reply); // should print "Hello Ockam!"
 

examples/rust/get_started/examples/04-routing-over-transport-two-hops-initiator.rs

@@ -17,7 +17,7 @@ async fn main(ctx: Context) -> Result<()> {
     // Send a message to the "echoer" worker, on a different node, over two tcp hops.
     // Wait to receive a reply and print it.
     let r = route![connection_to_middle_node, "forward_to_responder", "echoer"];
-    let reply = node.send_and_receive::<String>(r, "Hello Ockam!".to_string()).await?;
+    let reply: String = node.send_and_receive(r, "Hello Ockam!".to_string()).await?;
     println!("App Received: {}", reply); // should print "Hello Ockam!"
 
     // Stop all workers, stop the node, cleanup and return.

examples/rust/get_started/examples/04-udp-transport-initiator.rs

@@ -16,7 +16,7 @@ async fn main(ctx: Context) -> Result<()> {
     // Send a message to the "echoer" worker on a different node, over a udp transport.
     // Wait to receive a reply and print it.
     let r = route![bind, (UDP, "localhost:4000"), "echoer"];
-    let reply = node.send_and_receive::<String>(r, "Hello Ockam!".to_string()).await?;
+    let reply: String = node.send_and_receive(r, "Hello Ockam!".to_string()).await?;
 
     println!("App Received: {}", reply); // should print "Hello Ockam!"
 

examples/rust/get_started/examples/05-secure-channel-over-two-transport-hops-initiator.rs

@@ -25,8 +25,8 @@ async fn main(ctx: Context) -> Result<()> {
 
     // Send a message to the echoer worker via the channel.
     // Wait to receive a reply and print it.
-    let reply = node
-        .send_and_receive::<String>(route![channel, "echoer"], "Hello Ockam!".to_string())
+    let reply: String = node
+        .send_and_receive(route![channel, "echoer"], "Hello Ockam!".to_string())
         .await?;
     println!("App Received: {}", reply); // should print "Hello Ockam!"
 

examples/rust/get_started/examples/05-secure-channel-over-two-udp-hops-initiator.rs

@@ -29,8 +29,8 @@ async fn main(ctx: Context) -> Result<()> {
 
     // Send a message to the echoer worker via the channel.
     // Wait to receive a reply and print it.
-    let reply = node
-        .send_and_receive::<String>(route![channel, "echoer"], "Hello Ockam!".to_string())
+    let reply: String = node
+        .send_and_receive(route![channel, "echoer"], "Hello Ockam!".to_string())
         .await?;
     println!("App Received: {}", reply); // should print "Hello Ockam!"
 

examples/rust/get_started/examples/06-credentials-exchange-client.rs

@@ -81,8 +81,8 @@ async fn main(ctx: Context) -> Result<()> {
 
     // Send a message to the worker at address "echoer".
     // Wait to receive a reply and print it.
-    let reply = node
-        .send_and_receive::<String>(
+    let reply: String = node
+        .send_and_receive(
             route![channel, DefaultAddress::ECHO_SERVICE],
             "Hello Ockam!".to_string(),
         )

implementations/rust/ockam/ockam/src/lib.rs

@@ -66,8 +66,9 @@ pub use ockam_core::processor;
 /// may be changed in the future to a [`Worker`](crate::Worker)-specific macro.
 pub use ockam_core::worker;
 pub use ockam_core::{
-    allow, deny, errcode, route, Address, Any, Encoded, Error, LocalMessage, Mailbox, Mailboxes,
-    Message, Processor, ProtocolId, Result, Route, Routed, TransportMessage, TryClone, Worker,
+    allow, deny, deserialize, errcode, route, serialize, Address, Any, Decodable, Encodable,
+    Encoded, Error, LocalMessage, Mailbox, Mailboxes, Message, Processor, ProtocolId, Result,
+    Route, Routed, TransportMessage, TryClone, Worker,
 };
 pub use ockam_identity as identity;
 // ---

implementations/rust/ockam/ockam/src/remote/info.rs

@@ -1,7 +1,7 @@
 use crate::Message;
 use ockam_core::compat::string::String;
 use ockam_core::flow_control::FlowControlId;
-use ockam_core::{Address, Route};
+use ockam_core::{deserialize, serialize, Address, Decodable, Encodable, Encoded, Route};
 use serde::{Deserialize, Serialize};
 
 /// Information about a remotely forwarded worker.
@@ -13,6 +13,18 @@ pub struct RemoteRelayInfo {
     flow_control_id: Option<FlowControlId>,
 }
 
+impl Encodable for RemoteRelayInfo {
+    fn encode(self) -> ockam_core::Result<Encoded> {
+        serialize(self)
+    }
+}
+
+impl Decodable for RemoteRelayInfo {
+    fn decode(v: &[u8]) -> ockam_core::Result<Self> {
+        deserialize(v)
+    }
+}
+
 impl RemoteRelayInfo {
     /// Constructor
     pub fn new(

implementations/rust/ockam/ockam/tests/message/test.rs

@@ -1,17 +1,39 @@
-use ockam::Message;
+use ockam::*;
 use serde::{Deserialize, Serialize};
 
 #[derive(Message, Deserialize, Serialize)]
 pub struct Tmp {
     a: String,
 }
 
+impl Encodable for Tmp {
+    fn encode(self) -> Result<Encoded> {
+        serialize(self)
+    }
+}
+impl Decodable for Tmp {
+    fn decode(e: &[u8]) -> Result<Tmp> {
+        deserialize(e)
+    }
+}
+
 #[derive(Message, Deserialize, Serialize)]
 pub struct Tmp1 {
     a: Vec<u8>,
     b: Vec<Tmp>,
 }
 
+impl Encodable for Tmp1 {
+    fn encode(self) -> Result<Encoded> {
+        serialize(self)
+    }
+}
+impl Decodable for Tmp1 {
+    fn decode(e: &[u8]) -> Result<Tmp1> {
+        deserialize(e)
+    }
+}
+
 fn assert_impl<T: Message>() {}
 fn main() {
     assert_impl::<String>();

implementations/rust/ockam/ockam/tests/relay.rs

@@ -16,8 +16,8 @@ async fn test1(ctx: &mut Context) -> Result<()> {
 
     let remote_info = RemoteRelay::create(ctx, route![], RemoteRelayOptions::new()).await?;
 
-    let resp = ctx
-        .send_and_receive::<String>(
+    let resp: String = ctx
+        .send_and_receive(
             route![remote_info.remote_address(), "echoer"],
             "Hello".to_string(),
         )
@@ -62,8 +62,8 @@ async fn test2(ctx: &mut Context) -> Result<()> {
         .connect(cloud_listener.socket_string(), TcpConnectionOptions::new())
         .await?;
 
-    let resp = ctx
-        .send_and_receive::<String>(
+    let resp: String = ctx
+        .send_and_receive(
             route![cloud_connection, remote_info.remote_address(), "echoer"],
             "Hello".to_string(),
         )
@@ -238,8 +238,8 @@ async fn test4(ctx: &mut Context) -> Result<()> {
         )
         .await?;
 
-    let resp = ctx
-        .send_and_receive::<String>(route![tunnel_channel, "echoer"], "Hello".to_string())
+    let resp: String = ctx
+        .send_and_receive(route![tunnel_channel, "echoer"], "Hello".to_string())
         .await?;
 
     assert_eq!(resp, "Hello");

implementations/rust/ockam/ockam_api/src/authenticator/credential_issuer/credential_issuer_worker.rs

@@ -1,12 +1,11 @@
 use core::time::Duration;
-use minicbor::Decoder;
 use tracing::trace;
 
 use crate::authenticator::credential_issuer::CredentialIssuer;
 use crate::authenticator::direct::AccountAuthorityInfo;
 use crate::authenticator::AuthorityMembersRepository;
 use ockam::identity::{Credentials, Identifier, IdentitiesAttributes};
-use ockam_core::api::{Method, RequestHeader, Response};
+use ockam_core::api::{Method, Request, Response};
 use ockam_core::compat::boxed::Box;
 use ockam_core::compat::sync::Arc;
 use ockam_core::compat::vec::Vec;
@@ -49,41 +48,46 @@ impl CredentialIssuerWorker {
 #[ockam_core::worker]
 impl Worker for CredentialIssuerWorker {
     type Context = Context;
-    type Message = Vec<u8>;
+    type Message = Request<Vec<u8>>;
 
     async fn handle_message(&mut self, c: &mut Context, m: Routed<Self::Message>) -> Result<()> {
         let secure_channel_info = match SecureChannelLocalInfo::find_info(m.local_message()) {
             Ok(secure_channel_info) => secure_channel_info,
             Err(_e) => {
-                let resp = Response::bad_request_no_request("secure channel required").to_vec()?;
+                let resp =
+                    Response::bad_request_no_request("secure channel required").encode_body()?;
                 c.send(m.return_route().clone(), resp).await?;
                 return Ok(());
             }
         };
 
         let from = Identifier::from(secure_channel_info.their_identifier());
         let return_route = m.return_route().clone();
-        let body = m.into_body()?;
-        let mut dec = Decoder::new(&body);
-        let req: RequestHeader = dec.decode()?;
+        let request = m.into_body()?;
+        let header = request.header();
         trace! {
             target: "credential_issuer",
             from   = %from,
-            id     = %req.id(),
-            method = ?req.method(),
-            path   = %req.path(),
-            body   = %req.has_body(),
+            id     = %header.id(),
+            method = ?header.method(),
+            path   = %header.path(),
+            body   = %header.has_body(),
             "request"
         }
-        let res = match (req.method(), req.path()) {
+        let res = match (header.method(), header.path()) {
             (Some(Method::Post), "/") | (Some(Method::Post), "/credential") => {
                 match self.credential_issuer.issue_credential(&from).await {
-                    Ok(Some(crd)) => Response::ok().with_headers(&req).body(crd).to_vec()?,
-                    Ok(None) => Response::forbidden(&req, "unauthorized member").to_vec()?,
-                    Err(error) => Response::internal_error(&req, &error.to_string()).to_vec()?,
+                    Ok(Some(crd)) => Response::ok()
+                        .with_headers(header)
+                        .body(crd)
+                        .encode_body()?,
+                    Ok(None) => Response::forbidden(header, "unauthorized member").encode_body()?,
+                    Err(error) => {
+                        Response::internal_error(header, &error.to_string()).encode_body()?
+                    }
                 }
             }
-            _ => Response::unknown_path(&req).to_vec()?,
+            _ => Response::unknown_path(header).encode_body()?,
         };
 
         c.send(return_route, res).await

implementations/rust/ockam/ockam_api/src/authenticator/direct/client.rs

@@ -1,13 +1,14 @@
 use miette::IntoDiagnostic;
 use std::collections::{BTreeMap, HashMap};
 
+use ockam::identity::models::IdentifierList;
 use ockam::identity::AttributesEntry;
 use ockam::identity::Identifier;
 use ockam_core::api::Request;
 use ockam_core::async_trait;
 use ockam_node::Context;
 
-use crate::authenticator::direct::types::AddMember;
+use crate::authenticator::direct::types::{AddMember, MemberList};
 use crate::nodes::service::default_address::DefaultAddress;
 use crate::orchestrator::{AuthorityNodeClient, HasSecureClient};
 
@@ -90,24 +91,28 @@ impl Members for AuthorityNodeClient {
 
     async fn list_member_ids(&self, ctx: &Context) -> miette::Result<Vec<Identifier>> {
         let req = Request::get("/member_ids");
-        self.get_secure_client()
+        let identifiers: IdentifierList = self
+            .get_secure_client()
             .ask(ctx, DefaultAddress::DIRECT_AUTHENTICATOR, req)
             .await
             .into_diagnostic()?
             .success()
-            .into_diagnostic()
+            .into_diagnostic()?;
+        Ok(identifiers.0)
     }
 
     async fn list_members(
         &self,
         ctx: &Context,
     ) -> miette::Result<HashMap<Identifier, AttributesEntry>> {
         let req = Request::get("/");
-        self.get_secure_client()
+        let member_list: MemberList = self
+            .get_secure_client()
             .ask(ctx, DefaultAddress::DIRECT_AUTHENTICATOR, req)
             .await
             .into_diagnostic()?
             .success()
-            .into_diagnostic()
+            .into_diagnostic()?;
+        Ok(member_list.0)
     }
 }