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Merge pull request #19 from AdaShoelace/remove-external-command-calling

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Remove spawning of sub processes
This commit is contained in:
Mustafa Salih 2021-01-08 05:29:33 +03:00 committed by GitHub
commit 0baee0b8e3
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5 changed files with 451 additions and 55 deletions
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367
Cargo.lock generated
View File

@ -1,11 +1,165 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "ahash"
version = "0.4.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
[[package]]
name = "alsa"
version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eb213f6b3e4b1480a60931ca2035794aa67b73103d254715b1db7b70dcb3c934"
dependencies = [
"alsa-sys",
"bitflags",
"libc",
"nix 0.15.0",
]
[[package]]
name = "alsa-sys"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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"libc",
"pkg-config",
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dependencies = [
"concurrent-queue",
"event-listener",
"futures-core",
]
[[package]]
name = "async-io"
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dependencies = [
"concurrent-queue",
"fastrand",
"futures-lite",
"libc",
"log",
"nb-connect",
"once_cell",
"parking",
"polling",
"vec-arena",
"waker-fn",
"winapi",
]
[[package]]
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dependencies = [
"async-io",
"blocking",
"fastrand",
"futures-lite",
]
[[package]]
name = "async-task"
version = "4.0.3"
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[[package]]
name = "blocking"
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dependencies = [
"async-channel",
"async-task",
"atomic-waker",
"fastrand",
"futures-lite",
"once_cell",
]
[[package]]
name = "breadx"
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dependencies = [
"async-io",
"async-net",
"blocking",
"bytemuck",
"cfg-if 1.0.0",
"cty",
"futures-lite",
"hashbrown",
"log",
"memchr",
"nix 0.19.1",
"ref_slice",
"tinyvec",
]
[[package]]
name = "bytemuck"
version = "1.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "cache-padded"
version = "1.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "631ae5198c9be5e753e5cc215e1bd73c2b466a3565173db433f52bb9d3e66dba"
[[package]]
name = "cc"
version = "1.0.66"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4c0496836a84f8d0495758516b8621a622beb77c0fed418570e50764093ced48"
[[package]]
name = "cfg-if"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
[[package]]
name = "cfg-if"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "chrono"
version = "0.4.19"
@ -19,6 +173,81 @@ dependencies = [
"winapi",
]
[[package]]
name = "concurrent-queue"
version = "1.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "30ed07550be01594c6026cff2a1d7fe9c8f683caa798e12b68694ac9e88286a3"
dependencies = [
"cache-padded",
]
[[package]]
name = "cty"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7313c0d620d0cb4dbd9d019e461a4beb501071ff46ec0ab933efb4daa76d73e3"
[[package]]
name = "event-listener"
version = "2.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f7531096570974c3a9dcf9e4b8e1cede1ec26cf5046219fb3b9d897503b9be59"
[[package]]
name = "fastrand"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca5faf057445ce5c9d4329e382b2ce7ca38550ef3b73a5348362d5f24e0c7fe3"
dependencies = [
"instant",
]
[[package]]
name = "futures-core"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "futures-io"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "futures-lite"
version = "1.11.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b4481d0cd0de1d204a4fa55e7d45f07b1d958abcb06714b3446438e2eff695fb"
dependencies = [
"fastrand",
"futures-core",
"futures-io",
"memchr",
"parking",
"pin-project-lite",
"waker-fn",
]
[[package]]
name = "hashbrown"
version = "0.9.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
dependencies = [
"ahash",
]
[[package]]
name = "instant"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"cfg-if 1.0.0",
]
[[package]]
name = "libc"
version = "0.2.81"
@ -31,12 +260,62 @@ version = "0.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8dd5a6d5999d9907cda8ed67bbd137d3af8085216c2ac62de5be860bd41f304a"
[[package]]
name = "log"
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
dependencies = [
"cfg-if 0.1.10",
]
[[package]]
name = "memchr"
version = "2.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
[[package]]
name = "minreq"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2466d0a7e6bfcd54f69e4a17d4a4318985aaaf7fe3df4cd3b6f11ff551129ca3"
[[package]]
name = "nb-connect"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8123a81538e457d44b933a02faf885d3fe8408806b23fa700e8f01c6c3a98998"
dependencies = [
"libc",
"winapi",
]
[[package]]
name = "nix"
version = "0.15.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3b2e0b4f3320ed72aaedb9a5ac838690a8047c7b275da22711fddff4f8a14229"
dependencies = [
"bitflags",
"cc",
"cfg-if 0.1.10",
"libc",
"void",
]
[[package]]
name = "nix"
version = "0.19.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2ccba0cfe4fdf15982d1674c69b1fd80bad427d293849982668dfe454bd61f2"
dependencies = [
"bitflags",
"cc",
"cfg-if 1.0.0",
"libc",
]
[[package]]
name = "num-integer"
version = "0.1.44"
@ -56,12 +335,58 @@ dependencies = [
"autocfg",
]
[[package]]
name = "once_cell"
version = "1.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
[[package]]
name = "parking"
version = "2.0.0"
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 = "pkg-config"
version = "0.3.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "polling"
version = "2.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2a7bc6b2a29e632e45451c941832803a18cce6781db04de8a04696cdca8bde4"
dependencies = [
"cfg-if 0.1.10",
"libc",
"log",
"wepoll-sys",
"winapi",
]
[[package]]
name = "ref_slice"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4e1b7878800220a76a08f32c057829511440f65528b63b940f2f2bc145d7ac68"
[[package]]
name = "rsblocks"
version = "0.1.3"
dependencies = [
"alsa",
"breadx",
"chrono",
"minreq",
"nix 0.19.1",
"yaml-rust",
]
@ -76,12 +401,54 @@ dependencies = [
"winapi",
]
[[package]]
name = "tinyvec"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ccf8dbc19eb42fba10e8feaaec282fb50e2c14b2726d6301dbfeed0f73306a6f"
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 = "vec-arena"
version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eafc1b9b2dfc6f5529177b62cf806484db55b32dc7c9658a118e11bbeb33061d"
[[package]]
name = "void"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
[[package]]
name = "waker-fn"
version = "1.1.0"
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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dependencies = [
"cc",
]
[[package]]
name = "winapi"
version = "0.3.9"

8
Cargo.toml
View File

@ -13,4 +13,10 @@ description = "a multi threaded status bar for dwm window manager for linux"
[dependencies]
chrono = "0.4"
yaml-rust = "0.4"
minreq = "2.2.1"
minreq = "2.2.1"
alsa = "0.4.3"
nix = "0.19.1"
[dependencies.breadx]
version = "0.1.11"
features = ["async"]

3
rsblocks.yml
View File

@ -27,9 +27,10 @@ disk:
# reads from alsa, alsa-utils package should
# be installed on the system to make it work.
volume:
enable: false
enable: true
icon: ''
delay: 0.18
card: 'PULSE'
# weather format options is available on

125
src/lib.rs
View File

@ -1,13 +1,13 @@
use breadx::{display::*, window::Window};
use chrono::prelude::*;
use minreq;
use std::env;
use std::fs::File;
use std::io::Error;
use std::io::Read;
use std::process::Command;
use std::sync::mpsc;
use std::thread;
use std::time::Duration;
use alsa::mixer::{Mixer, SelemChannelId, SelemId};
use yaml_rust::{yaml, YamlLoader};
#[derive(Debug)]
@ -54,6 +54,7 @@ pub struct Volume {
pub icon: String,
pub enabled: bool,
pub delay: f64,
pub card: String
}
#[derive(Clone)]
@ -75,7 +76,7 @@ it will call load_defaults to load a hardcoded default configuration
it will always return a valid configuration inside a Result.
*/
pub fn load_config() -> Result<Config, Error> {
let yml_source = env::var("HOME").unwrap() + "/.config/rsblocks/rsblocks.yml";
let yml_source = std::env::var("HOME").unwrap() + "/.config/rsblocks/rsblocks.yml";
let mut data = String::new();
let mut file = match File::open(&yml_source) {
Ok(file) => file,
@ -115,6 +116,7 @@ fn load_defaults() -> Config {
icon: String::from(""),
enabled: false,
delay: 0.17,
card: String::from("ALSA")
},
weather: Weather {
city: String::from(""),
@ -157,6 +159,9 @@ fn parse_config(doc: &yaml::Yaml) -> Config {
let memory_delay = get_or_set_f32(doc, "memory", "delay", 2.0);
let volume_delay = get_or_set_f32(doc, "volume", "delay", 0.17);
let weather_delay = get_or_set_f32(doc, "weather", "delay", 7200.0);
// parsing card for volume, ALSA or PULSE
let volume_card = get_or_set_string(doc, "volume", "card", "ALSA");
Config {
seperator,
@ -179,6 +184,7 @@ fn parse_config(doc: &yaml::Yaml) -> Config {
icon: volume_icon,
enabled: volume_enabled,
delay: volume_delay,
card: volume_card
},
weather: Weather {
city: weather_city,
@ -231,18 +237,37 @@ fn get_or_set_string(doc: &yaml::Yaml, parent: &str, child: &str, default_val: &
TODO: this is sucks, repeated code in threads below, fix me you fucking asshole
*/
pub fn run(config: Config) {
let (tx, rx) = mpsc::channel();
pub struct Blocks {
disp: Display<name::NameConnection>,
root: Window,
}
impl Blocks {
pub fn new() -> Self {
let disp = Display::create(None, None).expect("Failed to create x11 connection");
let root = disp.default_screen().root;
Self {
disp,
root,
}
}
}
pub fn run(config: Config, mut blocks: Blocks) {
let (tx, rx) = mpsc::channel();
// volume thread
if config.volume.enabled {
let volume_tx = tx.clone();
let configcp = config.clone();
let mut vol_data = ThreadsData::Sound(get_volume(&configcp));
thread::spawn(move || loop {
let _ = volume_tx.send(vol_data);
vol_data = ThreadsData::Sound(get_volume(&configcp));
thread::sleep(Duration::from_secs_f64(configcp.volume.delay))
thread::spawn(move || {
let mut vol_data =
ThreadsData::Sound(get_volume(&configcp));
loop {
let _ = volume_tx.send(vol_data);
vol_data =
ThreadsData::Sound(get_volume(&configcp));
thread::sleep(Duration::from_secs_f64(configcp.volume.delay))
}
});
}
@ -299,7 +324,6 @@ pub fn run(config: Config) {
//Main
{
// NOTE: order matters to the final format
let mut bar: Vec<String> = vec!["".to_string(); 5];
//iterating the values recieved from the threads
for data in rx {
@ -312,25 +336,22 @@ pub fn run(config: Config) {
}
// match ends here
update(&bar);
update(&bar, &mut blocks);
}
}
}
/*
this will call the command 'xsetroot -name <the arg>'
*/
pub fn update(bar: &Vec<String>) {
pub fn update(bar: &Vec<String>, blocks: &mut Blocks) {
// TODO: FIX ME, this solution sucks
let mut x = String::new();
for i in bar.iter() {
x.push_str(i.as_str());
}
Command::new("xsetroot")
.arg("-name")
.arg(x)
.output()
.unwrap();
blocks
.root
.set_title(&mut blocks.disp, &x)
.expect("Failed to set title of root");
}
/*############################ RUNNING THE PROGRAM ENDS HERE ###########################################*/
@ -379,47 +400,47 @@ fn get_weather(config: &Config) -> String {
}
pub fn get_disk(config: &Config) -> String {
let cmd = Command::new("sh")
.arg("-c")
.args(&["df -h"])
.output()
.unwrap();
let output = String::from_utf8_lossy(&cmd.stdout);
const GB: u64 = (1024 * 1024) * 1024;
let statvfs = nix::sys::statvfs::statvfs("/").unwrap();
let mut disk_used = String::new();
for line in output.lines() {
if line.ends_with('/') {
let splited = line.split_whitespace().collect::<Vec<&str>>();
disk_used = splited[2].to_string();
break;
}
}
let total = (statvfs.blocks() * statvfs.fragment_size()) / GB;
let available = (statvfs.blocks_free() * statvfs.fragment_size()) / GB;
let used = total - available;
disk_used.push_str(&format!("{}GB", used));
format!(
" {} {} {}",
config.disk.icon, disk_used, config.seperator
)
}
// FIX ME: what a horrible solution to get the sound, i dont like it
// find another way
pub fn get_volume(config: &Config) -> String {
let cmd_content = Command::new("amixer")
.args(&["-D", "pulse", "get", "Master"])
.output()
.expect("Make sure that you have alsa-utils installed on your system");
let card = if config.volume.card == "PULSE" {
"pulse"
} else {
"default"
};
let vol: String = String::from_utf8_lossy(&cmd_content.stdout)
.lines()
.last()
.expect("failed to get sound volume")
.split('[')
.collect::<Vec<&str>>()[1]
.split(']')
.collect::<Vec<&str>>()[0]
.trim()
.to_string();
let mixer = Mixer::new(card, false).expect("Failed to open mixer");
let selem_id = SelemId::new("Master", 0);
let selem = mixer.find_selem(&selem_id).expect("Couldn't find selem");
let selem_chan_id = SelemChannelId::FrontLeft;
let (min, max) = selem.get_playback_volume_range();
let mut raw_volume = selem
.get_playback_volume(selem_chan_id)
.expect("Failed to get raw_volume");
let range = max - min;
let vol = if range == 0 {
0
} else {
raw_volume -= min;
((raw_volume as f64 / range as f64) * 100.) as u64
};
format!(" {} {} {}", config.volume.icon, vol, config.seperator)
format!(" {} {}% {}", config.volume.icon, vol, config.seperator)
}
/*

3
src/main.rs
View File

@ -2,5 +2,6 @@ use rsblocks;
fn main() {
let config = rsblocks::load_config().unwrap();
rsblocks::run(config);
let blocks = rsblocks::Blocks::new();
rsblocks::run(config, blocks);
}