Add trivial Mutter ServiceChannel impl

Makes xdp-gnome work.
This commit is contained in:
Ivan Molodetskikh 2023-08-27 10:29:06 +04:00
parent a54e048f41
commit e09a6d6392
6 changed files with 657 additions and 4 deletions

600
Cargo.lock generated
View File

@ -105,6 +105,134 @@ dependencies = [
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version = "0.5.1"
@ -1995,3 +2483,107 @@ name = "xml-rs"
version = "0.8.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "47430998a7b5d499ccee752b41567bc3afc57e1327dc855b1a2aa44ce29b5fa1"
[[package]]
name = "zbus"
version = "3.14.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "31de390a2d872e4cd04edd71b425e29853f786dc99317ed72d73d6fcf5ebb948"
dependencies = [
"async-broadcast",
"async-executor",
"async-fs",
"async-io",
"async-lock",
"async-process",
"async-recursion",
"async-task",
"async-trait",
"blocking",
"byteorder",
"derivative",
"enumflags2",
"event-listener",
"futures-core",
"futures-sink",
"futures-util",
"hex",
"nix 0.26.2",
"once_cell",
"ordered-stream",
"rand",
"serde",
"serde_repr",
"sha1",
"static_assertions",
"tracing",
"uds_windows",
"winapi",
"xdg-home",
"zbus_macros",
"zbus_names",
"zvariant",
]
[[package]]
name = "zbus_macros"
version = "3.14.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "41d1794a946878c0e807f55a397187c11fc7a038ba5d868e7db4f3bd7760bc9d"
dependencies = [
"proc-macro-crate",
"proc-macro2",
"quote",
"regex",
"syn 1.0.109",
"zvariant_utils",
]
[[package]]
name = "zbus_names"
version = "2.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fb80bb776dbda6e23d705cf0123c3b95df99c4ebeaec6c2599d4a5419902b4a9"
dependencies = [
"serde",
"static_assertions",
"zvariant",
]
[[package]]
name = "zvariant"
version = "3.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "44b291bee0d960c53170780af148dca5fa260a63cdd24f1962fa82e03e53338c"
dependencies = [
"byteorder",
"enumflags2",
"libc",
"serde",
"static_assertions",
"zvariant_derive",
]
[[package]]
name = "zvariant_derive"
version = "3.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "934d7a7dfc310d6ee06c87ffe88ef4eca7d3e37bb251dece2ef93da8f17d8ecd"
dependencies = [
"proc-macro-crate",
"proc-macro2",
"quote",
"syn 1.0.109",
"zvariant_utils",
]
[[package]]
name = "zvariant_utils"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7234f0d811589db492d16893e3f21e8e2fd282e6d01b0cddee310322062cc200"
dependencies = [
"proc-macro2",
"quote",
"syn 1.0.109",
]

View File

@ -18,6 +18,7 @@ tracing = "0.1.37"
tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
tracy-client = { version = "0.15.2", default-features = false }
xcursor = "0.3.4"
zbus = { version = "3.14.1" }
[dependencies.smithay]
git = "https://github.com/Smithay/smithay"

1
src/dbus/mod.rs Normal file
View File

@ -0,0 +1 @@
pub mod mutter_service_channel;

View File

@ -0,0 +1,38 @@
use std::os::fd::{FromRawFd, IntoRawFd};
use std::os::unix::net::UnixStream;
use std::sync::Arc;
use smithay::reexports::wayland_server::DisplayHandle;
use zbus::dbus_interface;
use crate::niri::ClientState;
pub struct ServiceChannel {
display: DisplayHandle,
}
#[dbus_interface(name = "org.gnome.Mutter.ServiceChannel")]
impl ServiceChannel {
async fn open_wayland_service_connection(
&mut self,
service_client_type: u32,
) -> zbus::fdo::Result<zbus::zvariant::OwnedFd> {
if service_client_type != 1 {
return Err(zbus::fdo::Error::InvalidArgs(
"Invalid service client type".to_owned(),
));
}
let (sock1, sock2) = UnixStream::pair().unwrap();
self.display
.insert_client(sock2, Arc::new(ClientState::default()))
.unwrap();
Ok(unsafe { zbus::zvariant::OwnedFd::from_raw_fd(sock1.into_raw_fd()) })
}
}
impl ServiceChannel {
pub fn new(display: DisplayHandle) -> Self {
Self { display }
}
}

View File

@ -5,6 +5,7 @@ mod handlers;
mod animation;
mod backend;
mod dbus;
mod frame_clock;
mod input;
mod layout;

View File

@ -44,6 +44,7 @@ use smithay::wayland::socket::ListeningSocketSource;
use smithay::wayland::tablet_manager::TabletManagerState;
use crate::backend::Backend;
use crate::dbus::mutter_service_channel::ServiceChannel;
use crate::frame_clock::FrameClock;
use crate::layout::{MonitorRenderElement, MonitorSet};
use crate::utils::{center, get_monotonic_time, load_default_cursor};
@ -85,6 +86,8 @@ pub struct Niri {
pub pointer_buffer: Option<(TextureBuffer<GlesTexture>, Point<i32, Physical>)>,
pub cursor_image: CursorImageStatus,
pub dnd_icon: Option<WlSurface>,
pub zbus_conn: Option<zbus::blocking::Connection>,
}
pub struct OutputState {
@ -151,6 +154,7 @@ impl Niri {
socket_name.to_string_lossy()
);
let mut zbus_conn = None;
if std::env::var_os("NOTIFY_SOCKET").is_some() {
// We're starting as a systemd service. Export our variables and tell systemd we're
// ready.
@ -166,6 +170,20 @@ impl Niri {
warn!("error spawning shell to import environment into systemd: {err:?}");
}
// Set up zbus, make sure it happens before anything might want it.
let conn = zbus::blocking::ConnectionBuilder::session()
.unwrap()
.name("org.gnome.Mutter.ServiceChannel")
.unwrap()
.serve_at(
"/org/gnome/Mutter/ServiceChannel",
ServiceChannel::new(display_handle.clone()),
)
.unwrap()
.build()
.unwrap();
zbus_conn = Some(conn);
// Notify systemd we're ready.
if let Err(err) = sd_notify::notify(false, &[NotifyState::Ready]) {
warn!("error notifying systemd: {err:?}");
@ -210,6 +228,8 @@ impl Niri {
pointer_buffer: None,
cursor_image: CursorImageStatus::Default,
dnd_icon: None,
zbus_conn,
}
}