WayVR: Update IPC, send runtime info, update deps

Cargo.lock

@@ -432,15 +432,6 @@ dependencies = [
  "syn 2.0.89",
 ]
 
-[[package]]
-name = "atomic-polyfill"
-version = "1.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8cf2bce30dfe09ef0bfaef228b9d414faaf7e563035494d7fe092dba54b300f4"
-dependencies = [
- "critical-section",
-]
-
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -912,12 +903,6 @@ dependencies = [
  "cc",
 ]
 
-[[package]]
-name = "cobs"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67ba02a97a2bd10f4b59b25c7973101c79642302776489e030cd13cdab09ed15"
-
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -1114,12 +1099,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "critical-section"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "790eea4361631c5e7d22598ecd5723ff611904e3344ce8720784c93e3d83d40b"
-
 [[package]]
 name = "crossbeam-deque"
 version = "0.8.5"
@@ -1832,15 +1811,6 @@ dependencies = [
  "crunchy",
 ]
 
-[[package]]
-name = "hash32"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0c35f58762feb77d74ebe43bdbc3210f09be9fe6742234d573bacc26ed92b67"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -1872,20 +1842,6 @@ dependencies = [
  "hashbrown 0.14.5",
 ]
 
-[[package]]
-name = "heapless"
-version = "0.7.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdc6457c0eb62c71aac4bc17216026d8410337c4126773b9c5daba343f17964f"
-dependencies = [
- "atomic-polyfill",
- "hash32",
- "rustc_version",
- "serde",
- "spin",
- "stable_deref_trait",
-]
-
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -3284,17 +3240,6 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
-[[package]]
-name = "postcard"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "170a2601f67cc9dba8edd8c4870b15f71a6a2dc196daec8c83f72b59dff628a8"
-dependencies = [
- "cobs",
- "heapless",
- "serde",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.20"
@@ -3688,9 +3633,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.133"
+version = "1.0.135"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7fceb2473b9166b2294ef05efcb65a3db80803f0b03ef86a5fc88a2b85ee377"
+checksum = "2b0d7ba2887406110130a978386c4e1befb98c674b4fba677954e4db976630d9"
 dependencies = [
  "itoa",
  "memchr",
@@ -3888,15 +3833,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "spin"
-version = "0.9.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
-dependencies = [
- "lock_api",
-]
-
 [[package]]
 name = "stable_deref_trait"
 version = "1.2.0"
@@ -4604,13 +4540,13 @@ dependencies = [
 [[package]]
 name = "wayvr_ipc"
 version = "0.1.0"
-source = "git+https://github.com/olekolek1000/wayvr-ipc.git?rev=c2a6438ffdcc78ff9c0637d914df1bc673723824#c2a6438ffdcc78ff9c0637d914df1bc673723824"
+source = "git+https://github.com/olekolek1000/wayvr-ipc.git?rev=b484d1f0607b3f67e2c9e49797819738344bcb5c#b484d1f0607b3f67e2c9e49797819738344bcb5c"
 dependencies = [
  "anyhow",
  "bytes",
  "log",
- "postcard",
  "serde",
+ "serde_json",
  "smallvec",
 ]
 
@@ -5094,7 +5030,6 @@ dependencies = [
  "once_cell",
  "openxr",
  "ovr_overlay",
- "postcard",
  "regex",
  "rodio",
  "rosc",

Cargo.toml

@@ -84,9 +84,8 @@ uuid = { version = "1.10.0", features = ["v4", "fast-rng"], optional = true }
 wayland-client = { version = "0.31.6", optional = true }
 wayland-egl = { version = "0.32.4", optional = true }
 interprocess = { version = "2.2.2", optional = true }
-postcard = { version = "1.1.1", optional = true }
 bytes = { version = "1.9.0", optional = true }
-wayvr_ipc = { git = "https://github.com/olekolek1000/wayvr-ipc.git", rev = "c2a6438ffdcc78ff9c0637d914df1bc673723824", default-features = false, optional = true }
+wayvr_ipc = { git = "https://github.com/olekolek1000/wayvr-ipc.git", rev = "b484d1f0607b3f67e2c9e49797819738344bcb5c", default-features = false, optional = true }
 ################################
 
 [build-dependencies]
@@ -109,7 +108,6 @@ wayvr = [
   "dep:wayland-client",
   "dep:wayland-egl",
   "dep:interprocess",
-  "dep:postcard",
   "dep:bytes",
   "dep:wayvr_ipc",
 ]

src/backend/wayvr/server_ipc.rs

@@ -4,16 +4,21 @@ use interprocess::local_socket::{self, traits::Listener, ToNsName};
 use smallvec::SmallVec;
 use std::io::{Read, Write};
 use wayvr_ipc::{
-    ipc::{self, binary_decode, binary_encode},
+    ipc::{self},
     packet_client::{self, PacketClient},
     packet_server::{self, PacketServer},
 };
 
+pub struct AuthInfo {
+    pub client_name: String,
+    pub protocol_version: u32, // client protocol version
+}
+
 pub struct Connection {
     alive: bool,
     conn: local_socket::Stream,
     next_packet: Option<u32>,
-    handshaking: bool,
+    auth: Option<AuthInfo>,
 }
 
 pub fn send_packet(conn: &mut local_socket::Stream, data: &[u8]) -> anyhow::Result<()> {
@@ -71,7 +76,7 @@ pub fn gen_args_vec(input: &str) -> Vec<&str> {
     input.split_whitespace().collect()
 }
 
-pub fn gen_env_vec(input: &Vec<String>) -> Vec<(&str, &str)> {
+pub fn gen_env_vec(input: &[String]) -> Vec<(&str, &str)> {
     let res = input
         .iter()
         .filter_map(|e| e.as_str().split_once('='))
@@ -84,19 +89,25 @@ impl Connection {
         Self {
             conn,
             alive: true,
-            handshaking: true,
+            auth: None,
             next_packet: None,
         }
     }
 
-    fn kill(&mut self) {
+    fn kill(&mut self, reason: &str) {
+        let _dont_care = send_packet(
+            &mut self.conn,
+            &ipc::data_encode(&PacketServer::Disconnect(packet_server::Disconnect {
+                reason: String::from(reason),
+            })),
+        );
         self.alive = false;
     }
 
-    fn process_handshake(&mut self, payload: Payload) -> anyhow::Result<()> {
+    fn process_handshake(&mut self, handshake: &packet_client::Handshake) -> anyhow::Result<()> {
-        let Ok(handshake) = binary_decode::<ipc::Handshake>(&payload) else {
+        if self.auth.is_some() {
-            anyhow::bail!("Invalid handshake");
+            anyhow::bail!("You were already authenticated");
-        };
+        }
 
         if handshake.protocol_version != ipc::PROTOCOL_VERSION {
             anyhow::bail!(
@@ -109,8 +120,29 @@ impl Connection {
             anyhow::bail!("Invalid magic");
         }
 
-        log::info!("Accepted new connection");
+        match handshake.client_name.len() {
-        self.handshaking = false;
+            0 => anyhow::bail!("Client name is empty"),
+            1..32 => {}
+            _ => anyhow::bail!("Client name is too long"),
+        }
+
+        log::info!("IPC: Client \"{}\" connected.", handshake.client_name);
+
+        self.auth = Some(AuthInfo {
+            client_name: handshake.client_name.clone(),
+            protocol_version: handshake.protocol_version,
+        });
+
+        // Send auth response
+        send_packet(
+            &mut self.conn,
+            &ipc::data_encode(&PacketServer::HandshakeSuccess(
+                packet_server::HandshakeSuccess {
+                    runtime: String::from("wlx-overlay-s"),
+                },
+            )),
+        )?;
+
         Ok(())
     }
 
@@ -136,7 +168,7 @@ impl Connection {
 
         send_packet(
             &mut self.conn,
-            &binary_encode(&PacketServer::WvrDisplayListResponse(
+            &ipc::data_encode(&PacketServer::WvrDisplayListResponse(
                 serial,
                 packet_server::WvrDisplayList { list },
             )),
@@ -165,7 +197,7 @@ impl Connection {
 
         send_packet(
             &mut self.conn,
-            &binary_encode(&PacketServer::WvrDisplayCreateResponse(
+            &ipc::data_encode(&PacketServer::WvrDisplayCreateResponse(
                 serial,
                 display_handle.as_packet(),
             )),
@@ -193,7 +225,7 @@ impl Connection {
 
         send_packet(
             &mut self.conn,
-            &binary_encode(&PacketServer::WvrProcessLaunchResponse(serial, res)),
+            &ipc::data_encode(&PacketServer::WvrProcessLaunchResponse(serial, res)),
         )?;
 
         Ok(())
@@ -214,7 +246,7 @@ impl Connection {
 
         send_packet(
             &mut self.conn,
-            &binary_encode(&PacketServer::WvrDisplayGetResponse(serial, disp)),
+            &ipc::data_encode(&PacketServer::WvrDisplayGetResponse(serial, disp)),
         )?;
 
         Ok(())
@@ -242,7 +274,7 @@ impl Connection {
 
         send_packet(
             &mut self.conn,
-            &binary_encode(&PacketServer::WvrProcessListResponse(
+            &ipc::data_encode(&PacketServer::WvrProcessListResponse(
                 serial,
                 packet_server::WvrProcessList { list },
             )),
@@ -270,13 +302,15 @@ impl Connection {
     }
 
     fn process_payload(&mut self, params: &mut TickParams, payload: Payload) -> anyhow::Result<()> {
-        if self.handshaking {
+        let packet: PacketClient = ipc::data_decode(&payload)?;
-            self.process_handshake(payload)?;
+
+        if let PacketClient::Handshake(handshake) = &packet {
+            self.process_handshake(handshake)?;
             return Ok(());
         }
 
-        let packet: PacketClient = binary_decode(&payload)?;
         match packet {
+            PacketClient::Handshake(_) => unreachable!(), // handled previously
             PacketClient::WvrDisplayList(serial) => {
                 self.handle_wvr_display_list(params, serial)?;
             }
@@ -305,7 +339,8 @@ impl Connection {
 
         if let Err(e) = self.process_payload(params, payload) {
             log::error!("Invalid payload from the client, closing connection: {}", e);
-            self.kill();
+            // send also error message directly to the client before disconnecting
+            self.kill(format!("{}", e).as_str());
             false
         } else {
             true
@@ -341,7 +376,7 @@ impl Connection {
                 "Client sent a packet header with the size over {} bytes, closing connection.",
                 size_limit
             );
-            self.kill();
+            self.kill("Too big packet received (over 128 KiB)");
             return false;
         }