Adds kordophoned, basic dbus interface

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -41,6 +41,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.15"
@@ -113,6 +122,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi 0.1.19",
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.2.0"
@@ -190,6 +210,21 @@ dependencies = [
  "windows-targets 0.52.4",
 ]
 
+[[package]]
+name = "clap"
+version = "2.34.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
+dependencies = [
+ "ansi_term",
+ "atty",
+ "bitflags 1.3.2",
+ "strsim 0.8.0",
+ "textwrap",
+ "unicode-width",
+ "vec_map",
+]
+
 [[package]]
 name = "clap"
 version = "4.5.20"
@@ -209,7 +244,7 @@ dependencies = [
  "anstream",
  "anstyle",
  "clap_lex",
- "strsim",
+ "strsim 0.11.1",
 ]
 
 [[package]]
@@ -282,7 +317,7 @@ dependencies = [
  "ident_case",
  "proc-macro2",
  "quote",
- "strsim",
+ "strsim 0.11.1",
  "syn",
 ]
 
@@ -297,6 +332,59 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dbus"
+version = "0.9.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bb21987b9fb1613058ba3843121dd18b163b254d8a6e797e144cbac14d96d1b"
+dependencies = [
+ "futures-channel",
+ "futures-util",
+ "libc",
+ "libdbus-sys",
+ "winapi",
+]
+
+[[package]]
+name = "dbus-codegen"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a76dc35ce83e4e9fa089b4fabe66c757b27bd504dc2179c97a01b36d3e874fb0"
+dependencies = [
+ "clap 2.34.0",
+ "dbus",
+ "xml-rs",
+]
+
+[[package]]
+name = "dbus-crossroads"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3a4c83437187544ba5142427746835061b330446ca8902eabd70e4afb8f76de0"
+dependencies = [
+ "dbus",
+]
+
+[[package]]
+name = "dbus-tokio"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "007688d459bc677131c063a3a77fb899526e17b7980f390b69644bdbc41fad13"
+dependencies = [
+ "dbus",
+ "libc",
+ "tokio",
+]
+
+[[package]]
+name = "dbus-tree"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f456e698ae8e54575e19ddb1f9b7bce2298568524f215496b248eb9498b4f508"
+dependencies = [
+ "dbus",
+]
+
 [[package]]
 name = "deranged"
 version = "0.3.11"
@@ -390,9 +478,9 @@ dependencies = [
 
 [[package]]
 name = "env_logger"
-version = "0.11.5"
+version = "0.11.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e13fa619b91fb2381732789fc5de83b45675e882f66623b7d8cb4f643017018d"
+checksum = "dcaee3d8e3cfc3fd92428d477bc97fc29ec8716d180c0d74c643bb26166660e0"
 dependencies = [
  "anstream",
  "anstyle",
@@ -531,6 +619,15 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
+[[package]]
+name = "hermit-abi"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "hermit-abi"
 version = "0.3.9"
@@ -708,12 +805,27 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "kordophoned"
+version = "0.1.0"
+dependencies = [
+ "dbus",
+ "dbus-codegen",
+ "dbus-crossroads",
+ "dbus-tokio",
+ "dbus-tree",
+ "env_logger",
+ "kordophone",
+ "log",
+ "tokio",
+]
+
 [[package]]
 name = "kpcli"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "clap",
+ "clap 4.5.20",
  "dotenv",
  "kordophone",
  "kordophone-db",
@@ -735,6 +847,15 @@ version = "0.2.153"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
 
+[[package]]
+name = "libdbus-sys"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06085512b750d640299b79be4bad3d2fa90a9c00b1fd9e1b46364f66f0485c72"
+dependencies = [
+ "pkg-config",
+]
+
 [[package]]
 name = "libsqlite3-sys"
 version = "0.30.1"
@@ -763,9 +884,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.22"
+version = "0.4.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+checksum = "04cbf5b083de1c7e0222a7a51dbfdba1cbe1c6ab0b15e29fff3f6c077fd9cd9f"
 
 [[package]]
 name = "memchr"
@@ -809,7 +930,7 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.9",
  "libc",
  "wasi",
  "windows-sys",
@@ -1204,6 +1325,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "strsim"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
@@ -1242,6 +1369,15 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+dependencies = [
+ "unicode-width",
+]
+
 [[package]]
 name = "time"
 version = "0.3.37"
@@ -1443,6 +1579,12 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "vec_map"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
+
 [[package]]
 name = "want"
 version = "0.3.1"
@@ -1513,6 +1655,22 @@ version = "0.2.95"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65fc09f10666a9f147042251e0dda9c18f166ff7de300607007e96bdebc1068d"
 
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
 [[package]]
 name = "winapi-util"
 version = "0.1.9"
@@ -1522,6 +1680,12 @@ dependencies = [
  "windows-sys",
 ]
 
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
+
 [[package]]
 name = "windows-core"
 version = "0.52.0"
@@ -1662,3 +1826,9 @@ checksum = "36c1fec1a2bb5866f07c25f68c26e565c4c200aebb96d7e55710c19d3e8ac49b"
 dependencies = [
  "memchr",
 ]
+
+[[package]]
+name = "xml-rs"
+version = "0.8.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5b940ebc25896e71dd073bad2dbaa2abfe97b0a391415e22ad1326d9c54e3c4"

Cargo.toml

@@ -2,6 +2,7 @@
 members = [
     "kordophone", 
     "kordophone-db", 
+    "kordophoned",
     "kpcli"
 ]
 resolver = "2"

kordophoned/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "kordophoned"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+dbus = "0.9.7"
+dbus-crossroads = "0.5.2"
+dbus-tokio = "0.7.6"
+dbus-tree = "0.9.2"
+env_logger = "0.11.6"
+kordophone = { path = "../kordophone" }
+log = "0.4.25"
+tokio = { version = "1", features = ["full"] }
+
+[build-dependencies]
+dbus-codegen = "0.10.0"
+dbus-crossroads = "0.5.1"

kordophoned/build.rs

@@ -0,0 +1,24 @@
+const KORDOPHONE_XML: &str = "include/net.buzzert.kordophonecd.Server.xml";
+
+fn main() {
+    let out_dir = std::env::var("OUT_DIR").unwrap();
+    let out_path = std::path::Path::new(&out_dir).join("kordophone-server.rs");
+
+    let opts = dbus_codegen::GenOpts {
+        connectiontype: dbus_codegen::ConnectionType::Nonblock,
+        methodtype: None, // Set to None for crossroads
+        crossroads: true,
+        ..Default::default()
+    };
+
+    let xml = std::fs::read_to_string(KORDOPHONE_XML)
+        .expect("Error reading server dbus interface");
+
+    let output = dbus_codegen::generate(&xml, &opts)
+        .expect("Error generating server dbus interface");
+
+    std::fs::write(out_path, output)
+        .expect("Error writing server dbus code");
+
+    println!("cargo:rerun-if-changed={}", KORDOPHONE_XML);
+}

kordophoned/include/net.buzzert.kordophonecd.Server.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<node name="/">
+    <interface name="net.buzzert.kordophone.Server">
+        <method name="GetVersion">
+            <arg type="s" name="version" direction="out" />
+        </method>
+    </interface>
+</node>

kordophoned/src/daemon/mod.rs

@@ -0,0 +1,11 @@
+use std::sync::Arc;
+
+pub struct Daemon {
+    pub version: String,
+}
+
+impl Daemon {
+    pub fn new() -> Self {
+        Self { version: "0.1.0".to_string() }
+    }
+}

kordophoned/src/dbus/endpoint.rs

@@ -0,0 +1,93 @@
+use crate::{dbus::interface::OBJECT_PATH, daemon::Daemon};
+
+use crossroads::Crossroads;
+use dbus::{
+    channel::{MatchingReceiver, Sender},
+    message::MatchRule,
+    nonblock::SyncConnection,
+    Path,
+};
+
+use dbus_crossroads as crossroads;
+use dbus_tokio::connection;
+use dbus_tree::{DataType, MethodErr};
+use log::info;
+use std::{future::Future, sync::Arc, thread};
+
+mod dbus_interface {
+    #![allow(unused)]
+    include!(concat!(env!("OUT_DIR"), "/kordophone-server.rs"));
+}
+
+use dbus_interface::NetBuzzertKordophoneServer;
+
+pub struct Endpoint {
+    connection: Arc<SyncConnection>,
+    daemon: Arc<Daemon>,
+}
+
+impl Endpoint {
+    pub fn new(daemon: Arc<Daemon>) -> Self {
+        let (resource, connection) = connection::new_session_sync().unwrap();
+        
+        // The resource is a task that should be spawned onto a tokio compatible
+        // reactor ASAP. If the resource ever finishes, you lost connection to D-Bus.
+        //
+        // To shut down the connection, both call _handle.abort() and drop the connection.
+        let _handle = tokio::spawn(async {
+            let err = resource.await;
+            panic!("Lost connection to D-Bus: {}", err);
+        });
+
+        Self { connection, daemon }
+    }
+
+    pub async fn start(&self) {
+        use crate::dbus::interface;
+
+        self.connection
+            .request_name(interface::NAME, false, true, false)
+            .await
+            .expect("Unable to acquire dbus name");
+
+        let mut cr = Crossroads::new();
+
+        // Enable async support for the crossroads instance. 
+        // (Currently irrelevant since dbus generates sync code)
+        cr.set_async_support(Some((
+            self.connection.clone(),
+            Box::new(|x| {
+                tokio::spawn(x);
+            }),
+        )));
+
+        // Register the daemon as a D-Bus object.
+        let token = dbus_interface::register_net_buzzert_kordophone_server(&mut cr);
+        cr.insert(OBJECT_PATH, &[token], self.daemon.clone());
+
+        // Start receiving messages.
+        self.connection.start_receive(
+            MatchRule::new_method_call(),
+            Box::new(move |msg, conn| 
+                cr.handle_message(msg, conn).is_ok()
+            ),
+        );
+
+        info!(target: "dbus", "DBus server started");
+    }
+
+    pub fn send_signal<S>(&self, signal: S) -> Result<u32, ()>
+    where
+        S: dbus::message::SignalArgs + dbus::arg::AppendAll,
+    {
+        let message = signal.to_emit_message(&Path::new(OBJECT_PATH).unwrap());
+        self.connection.send(message)
+    }
+
+}
+
+impl NetBuzzertKordophoneServer for Arc<Daemon> {
+    fn get_version(&mut self) -> Result<String, MethodErr> {
+        Ok(self.version.clone())
+    }    
+}

kordophoned/src/dbus/mod.rs

@@ -0,0 +1,6 @@
+pub mod endpoint;
+
+pub mod interface {
+    pub static NAME: &str = "net.buzzert.kordophonecd";
+    pub static OBJECT_PATH: &str = "/net/buzzert/kordophone/Server";
+}

kordophoned/src/main.rs

@@ -0,0 +1,24 @@
+mod dbus;
+mod daemon;
+
+use std::future;
+use std::sync::Arc;
+use log::LevelFilter;
+fn initialize_logging() {
+    env_logger::Builder::from_default_env()  
+        .filter_level(LevelFilter::Info)
+        .format_timestamp_secs()
+        .init();
+}
+
+#[tokio::main]
+async fn main() {
+    initialize_logging();
+
+    let daemon = Arc::new(daemon::Daemon::new());
+    let endpoint = Arc::new(dbus::endpoint::Endpoint::new(daemon));
+    endpoint.start().await;
+
+    future::pending::<()>().await;
+    unreachable!()
+}