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draft: backend: json rpc

Dustin 2022-01-08 20:07:03 -06:00
parent ed142322bd
commit dea3d257ae
7 changed files with 553 additions and 19 deletions
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backend/Cargo.lock generated
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@ -2,6 +2,12 @@
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]
[[package]]
name = "tinyvec"
version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
dependencies = [
"tinyvec_macros",
]
[[package]]
name = "tinyvec_macros"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
[[package]]
name = "tokio"
version = "1.15.0"
@ -1624,6 +2019,30 @@ dependencies = [
"version_check",
]
[[package]]
name = "unicase"
version = "2.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50f37be617794602aabbeee0be4f259dc1778fabe05e2d67ee8f79326d5cb4f6"
dependencies = [
"version_check",
]
[[package]]
name = "unicode-bidi"
version = "0.3.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a01404663e3db436ed2746d9fefef640d868edae3cceb81c3b8d5732fda678f"
[[package]]
name = "unicode-normalization"
version = "0.1.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d54590932941a9e9266f0832deed84ebe1bf2e4c9e4a3554d393d18f5e854bf9"
dependencies = [
"tinyvec",
]
[[package]]
name = "unicode-segmentation"
version = "1.8.0"
@ -1652,6 +2071,17 @@ version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
[[package]]
name = "url"
version = "1.7.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
dependencies = [
"idna",
"matches",
"percent-encoding 1.0.1",
]
[[package]]
name = "version_check"
version = "0.9.4"
@ -1668,6 +2098,12 @@ dependencies = [
"try-lock",
]
[[package]]
name = "wasi"
version = "0.9.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
[[package]]
name = "wasi"
version = "0.10.2+wasi-snapshot-preview1"
@ -1753,7 +2189,13 @@ name = "weywot"
version = "0.1.0"
dependencies = [
"argh",
"chrono",
"figment",
"jsonrpc-core",
"jsonrpc-core-client",
"jsonrpc-derive",
"jsonrpc-ipc-server",
"procfs",
"rocket",
"serde",
]

9
backend/Cargo.toml
View File

@ -5,9 +5,18 @@ edition = "2018"
[dependencies]
argh = "^0.1"
chrono = "*"
figment = "^0.10"
jsonrpc-core = "~18.0"
jsonrpc-derive = "~18.0"
jsonrpc-ipc-server = "~18.0"
jsonrpc-core-client = "~18.0"
serde = "^1.0"
[dependencies.procfs]
version = "^0.12"
features = ["chrono"]
[dependencies.rocket]
version = "^0.5.0-rc.1"
features = ["json", "secrets", "tls"]

31
backend/src/daemon/mod.rs Normal file
View File

@ -0,0 +1,31 @@
mod rpc;
use crate::rpc::WeywotRpc;
use argh::FromArgs;
use jsonrpc_core::IoHandler;
use jsonrpc_ipc_server::ServerBuilder;
use std::env;
#[derive(Debug, FromArgs)]
/// Weywot privileged daemon
struct Arguments {
#[argh(option, short = 's')]
/// socket path
socket: Option<String>,
}
pub fn main() {
let args: Arguments = argh::from_env();
let socket = if let Ok(v) = env::var("WEYWOT_SOCKET") {
v
} else {
if let Some(v) = args.socket {
v
} else {
"weywot.sock".into()
}
};
let mut io = IoHandler::new();
io.extend_with(rpc::RpcDaemon.to_delegate());
let server = ServerBuilder::new(io).start(&socket).unwrap();
server.wait();
}

35
backend/src/daemon/rpc.rs Normal file
View File

@ -0,0 +1,35 @@
use crate::rpc::{Status, WeywotRpc};
use chrono::{DateTime, Local};
use jsonrpc_core::Result as JsonRpcResult;
use procfs::process::Process;
use std::convert::TryInto;
use std::num::TryFromIntError;
use std::process;
pub struct RpcDaemon;
impl WeywotRpc for RpcDaemon {
fn status(&self) -> JsonRpcResult<Status> {
let pid: Result<i32, TryFromIntError> = process::id().try_into();
let runtime: i64 = if let Ok(pid) = pid {
if let Ok(proc) = Process::new(pid) {
let now: DateTime<Local> = Local::now();
if let Ok(starttime) = proc.stat.starttime() {
let etime = now - starttime;
etime.num_seconds()
} else {
0
}
} else {
0
}
} else {
0
};
Ok(Status {
version: env!("CARGO_PKG_VERSION").into(),
runtime: runtime,
})
}
}

4
backend/src/main.rs
View File

@ -1,3 +1,5 @@
mod daemon;
mod rpc;
mod server;
use std::env;
@ -20,7 +22,7 @@ fn main() {
/// Main entry point for the privileged daemon
fn daemon_main() {
/* start the privileged daemon */
daemon::main();
}
/// Main entry point for the web server

15
backend/src/rpc.rs Normal file
View File

@ -0,0 +1,15 @@
use jsonrpc_core::Result;
use jsonrpc_derive::rpc;
use serde::{Deserialize, Serialize};
#[derive(Debug, Deserialize, Serialize)]
pub struct Status {
pub version: String,
pub runtime: i64,
}
#[rpc]
pub trait WeywotRpc {
#[rpc(name = "status")]
fn status(&self) -> Result<Status>;
}

0
backend/src/server/routes/status.rs Normal file
View File