Use Errno as RPC error type

This commit is contained in:
pjht 2024-10-04 12:37:11 -05:00
parent 75f7257d9a
commit ae4b3f3d48
Signed by: pjht
GPG Key ID: CA239FC6934E6F3A
6 changed files with 135 additions and 124 deletions

97
Cargo.lock generated
View File

@ -13,15 +13,15 @@ dependencies = [
[[package]]
name = "autocfg"
version = "1.3.0"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "byteorder"
@ -43,9 +43,9 @@ checksum = "67ba02a97a2bd10f4b59b25c7973101c79642302776489e030cd13cdab09ed15"
[[package]]
name = "critical-section"
version = "1.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "embedded-io"
@ -53,6 +53,12 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ef1a6892d9eef45c8fa6b9e0086428a2cca8491aca8f787c534a3d6d0bcb3ced"
[[package]]
name = "embedded-io"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "fs_rpc"
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@ -87,9 +93,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.155"
version = "0.2.159"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
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[[package]]
name = "lock_api"
@ -126,48 +132,49 @@ dependencies = [
[[package]]
name = "postcard"
version = "1.0.8"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"cobs",
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"embedded-io 0.4.0",
"embedded-io 0.6.1",
"heapless",
"serde",
]
[[package]]
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[[package]]
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[[package]]
name = "redox_syscall"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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@ -186,18 +193,14 @@ checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
[[package]]
name = "serde"
version = "1.0.203"
source = "registry+https://github.com/rust-lang/crates.io-index"
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version = "1.0.210"
dependencies = [
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]
[[package]]
name = "serde_derive"
version = "1.0.203"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
version = "1.0.210"
dependencies = [
"proc-macro2",
"quote",
@ -227,9 +230,9 @@ checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
[[package]]
name = "syn"
version = "2.0.66"
version = "2.0.79"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"quote",
@ -254,9 +257,9 @@ dependencies = [
[[package]]
name = "unicode-ident"
version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "vfs"
@ -279,9 +282,9 @@ dependencies = [
[[package]]
name = "windows-targets"
version = "0.52.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
@ -295,48 +298,48 @@ dependencies = [
[[package]]
name = "windows_aarch64_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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View File

@ -9,10 +9,11 @@ parking_lot = "0.12.3"
syslog_rpc = { version = "0.1.0", path = "../syslog/syslog_rpc" }
vfs_rpc = { version = "0.1.0", path = "vfs_rpc" }
[workspace]
members = ["vfs_rpc"]
[profile.release]
strip = true
lto = true
opt-level = "s"
[patch.crates-io]
serde = { path = "../serde/serde" }
serde_derive = { path = "../serde/serde_derive" }

View File

@ -1,6 +1,6 @@
use std::{
collections::HashMap,
os::mikros::{ipc, syscalls},
os::mikros::{ipc, syscalls, Errno},
path::{Path, PathBuf},
};
@ -15,20 +15,20 @@ struct Serv {
}
impl vfs_rpc::Server for Serv {
fn register_fs(&self, from: u64, kind: &str) -> Result<(), ()> {
fn register_fs(&self, from: u64, kind: &str) -> Result<(), Errno> {
self.syslog_client.send_text_message("vfs", format!("PID {} registered FS type {}", from, kind)).unwrap();
self.fs_map.write().insert(kind.to_string(), from);
Ok(())
}
fn mount(&self, dev: &Path, kind: &str, path: &Path) -> Result<(), ()> {
fn mount(&self, dev: &Path, kind: &str, path: &Path) -> Result<(), Errno> {
if !dev.is_absolute() {
return Err(());
return Err(Errno::EINVAL);
}
if !path.is_absolute() {
return Err(());
return Err(Errno::EINVAL);
}
let &fs_pid = self.fs_map.read().get(kind).ok_or(())?;
let &fs_pid = self.fs_map.read().get(kind).ok_or(Errno::EINVAL)?;
let mount_id = fs_rpc::Client::new(fs_pid).mount(dev)?;
self.mount_list
.write()
@ -37,9 +37,9 @@ impl vfs_rpc::Server for Serv {
Ok(())
}
fn open(&self, path: &Path) -> Result<(u64, u64), ()> {
fn open(&self, path: &Path) -> Result<(u64, u64), Errno> {
if !path.is_absolute() {
return Err(());
return Err(Errno::EINVAL);
}
let (mount_path, (fs_pid, mount_id)) = self
.mount_list
@ -58,9 +58,9 @@ impl vfs_rpc::Server for Serv {
}
}
fn open_dir(&self, path: &Path) -> Result<(u64, u64), ()> {
fn open_dir(&self, path: &Path) -> Result<(u64, u64), Errno> {
if !path.is_absolute() {
return Err(());
return Err(Errno::EINVAL);
}
let (mount_path, (fs_pid, mount_id)) = self
.mount_list
@ -79,16 +79,16 @@ impl vfs_rpc::Server for Serv {
}
}
fn unmount(&self, path: &Path) -> Result<(), ()> {
fn unmount(&self, path: &Path) -> Result<(), Errno> {
if self.mount_list.write().remove(path).is_none() {
Err(())
Err(Errno::EINVAL)
} else {
self.syslog_client.send_text_message("vfs", format!("Unmounted {}", path.display())).unwrap();
Ok(())
}
}
fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), ()> {
fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), Errno> {
self.process_stdio.write().insert(pid, stdio);
Ok(())
}

97
vfs_rpc/Cargo.lock generated
View File

@ -13,15 +13,15 @@ dependencies = [
[[package]]
name = "autocfg"
version = "1.3.0"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "byteorder"
@ -43,9 +43,9 @@ checksum = "67ba02a97a2bd10f4b59b25c7973101c79642302776489e030cd13cdab09ed15"
[[package]]
name = "critical-section"
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[[package]]
name = "embedded-io"
@ -53,6 +53,12 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ef1a6892d9eef45c8fa6b9e0086428a2cca8491aca8f787c534a3d6d0bcb3ced"
[[package]]
name = "embedded-io"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "hash32"
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@ -78,9 +84,9 @@ dependencies = [
[[package]]
name = "libc"
version = "0.2.155"
version = "0.2.159"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
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[[package]]
name = "lock_api"
@ -117,48 +123,49 @@ dependencies = [
[[package]]
name = "postcard"
version = "1.0.8"
version = "1.0.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"cobs",
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"embedded-io 0.4.0",
"embedded-io 0.6.1",
"heapless",
"serde",
]
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[[package]]
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name = "rustc_version"
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dependencies = [
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@ -177,18 +184,14 @@ checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
[[package]]
name = "serde"
version = "1.0.203"
source = "registry+https://github.com/rust-lang/crates.io-index"
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version = "1.0.210"
dependencies = [
"serde_derive",
]
[[package]]
name = "serde_derive"
version = "1.0.203"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "500cbc0ebeb6f46627f50f3f5811ccf6bf00643be300b4c3eabc0ef55dc5b5ba"
version = "1.0.210"
dependencies = [
"proc-macro2",
"quote",
@ -218,9 +221,9 @@ checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
[[package]]
name = "syn"
version = "2.0.66"
version = "2.0.79"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"quote",
@ -229,9 +232,9 @@ dependencies = [
[[package]]
name = "unicode-ident"
version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "vfs_rpc"
@ -244,9 +247,9 @@ dependencies = [
[[package]]
name = "windows-targets"
version = "0.52.5"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"windows_aarch64_msvc",
@ -260,48 +263,48 @@ dependencies = [
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name = "windows_aarch64_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "windows_aarch64_msvc"
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View File

@ -6,4 +6,8 @@ edition = "2021"
[dependencies]
parking_lot = "0.12.3"
postcard = { version = "1.0.8", features = ["use-std"] }
serde = { version = "1.0.203" }
serde = { path = "../../serde/serde" }
[patch.crates-io]
serde = { path = "../../serde/serde" }
serde_derive = { path = "../../serde/serde_derive" }

View File

@ -1,7 +1,7 @@
#![allow(clippy::result_unit_err)]
use std::{
os::mikros::ipc::rpc::{self, IncomingCall},
os::mikros::{ipc::rpc::{self, IncomingCall}, Errno},
path::Path,
};
@ -12,13 +12,13 @@ static SERVER: RwLock<Option<Box<dyn Server>>> = RwLock::new(None);
const PROTO: u16 = 2;
pub trait Server: Send + Sync {
fn register_fs(&self, from: u64, kind: &str) -> Result<(), ()>;
fn mount(&self, dev: &Path, kind: &str, path: &Path) -> Result<(), ()>;
fn open(&self, path: &Path) -> Result<(u64, u64), ()>;
fn unmount(&self, path: &Path) -> Result<(), ()>;
fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), ()>;
fn register_fs(&self, from: u64, kind: &str) -> Result<(), Errno>;
fn mount(&self, dev: &Path, kind: &str, path: &Path) -> Result<(), Errno>;
fn open(&self, path: &Path) -> Result<(u64, u64), Errno>;
fn unmount(&self, path: &Path) -> Result<(), Errno>;
fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), Errno>;
fn get_stdio(&self, from: u64) -> [Option<(u64, u64)>; 3];
fn open_dir(&self, path: &Path) -> Result<(u64, u64), ()>;
fn open_dir(&self, path: &Path) -> Result<(u64, u64), Errno>;
}
#[derive(Copy, Clone)]
@ -29,14 +29,14 @@ impl Client {
Self(pid)
}
pub fn register_fs(self, kind: &str) -> Result<(), ()> {
pub fn register_fs(self, kind: &str) -> Result<(), Errno> {
postcard::from_bytes(
&rpc::send_call(self.0, PROTO, 0, &postcard::to_stdvec(kind).unwrap()).get_return(),
)
.unwrap()
}
pub fn mount(self, dev: &Path, kind: &str, path: &Path) -> Result<(), ()> {
pub fn mount(self, dev: &Path, kind: &str, path: &Path) -> Result<(), Errno> {
postcard::from_bytes(
&rpc::send_call(
self.0,
@ -49,14 +49,14 @@ impl Client {
.unwrap()
}
pub fn open(self, path: &Path) -> Result<(u64, u64), ()> {
pub fn open(self, path: &Path) -> Result<(u64, u64), Errno> {
postcard::from_bytes(
&rpc::send_call(self.0, PROTO, 2, &postcard::to_stdvec(path).unwrap()).get_return(),
)
.unwrap()
}
pub fn unmount(self, path: &Path) -> Result<(), ()> {
pub fn unmount(self, path: &Path) -> Result<(), Errno> {
postcard::from_bytes(
&rpc::send_call(
self.0,
@ -69,7 +69,7 @@ impl Client {
.unwrap()
}
pub fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), ()> {
pub fn set_stdio(&self, pid: u64, stdio: [Option<(u64, u64)>; 3]) -> Result<(), Errno> {
postcard::from_bytes(
&rpc::send_call(
self.0,
@ -95,7 +95,7 @@ impl Client {
.unwrap()
}
pub fn open_dir(self, path: &Path) -> Result<(u64, u64), ()> {
pub fn open_dir(self, path: &Path) -> Result<(u64, u64), Errno> {
postcard::from_bytes(
&rpc::send_call(self.0, PROTO, 6, &postcard::to_stdvec(path).unwrap()).get_return(),
)