hot reloading support #6

Merged
mossfet merged 3 commits from hot-reloading into main 2023-07-04 14:26:42 +00:00
11 changed files with 217 additions and 28 deletions

110
Cargo.lock generated
View file

@ -425,12 +425,33 @@ dependencies = [
"version_check", "version_check",
] ]
[[package]]
name = "filetime"
version = "0.2.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5cbc844cecaee9d4443931972e1289c8ff485cb4cc2767cb03ca139ed6885153"
dependencies = [
"cfg-if",
"libc",
"redox_syscall 0.2.16",
"windows-sys 0.48.0",
]
[[package]] [[package]]
name = "fnv" name = "fnv"
version = "1.0.7" version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1" checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
[[package]]
name = "fsevent-sys"
version = "4.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "76ee7a02da4d231650c7cea31349b889be2f45ddb3ef3032d2ec8185f6313fd2"
dependencies = [
"libc",
]
[[package]] [[package]]
name = "futures" name = "futures"
version = "0.3.28" version = "0.3.28"
@ -659,6 +680,26 @@ version = "0.1.15"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c8fae54786f62fb2918dcfae3d568594e50eb9b5c25bf04371af6fe7516452fb" checksum = "c8fae54786f62fb2918dcfae3d568594e50eb9b5c25bf04371af6fe7516452fb"
[[package]]
name = "inotify"
version = "0.9.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f8069d3ec154eb856955c1c0fbffefbf5f3c40a104ec912d4797314c1801abff"
dependencies = [
"bitflags 1.3.2",
"inotify-sys",
"libc",
]
[[package]]
name = "inotify-sys"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e05c02b5e89bff3b946cedeca278abc628fe811e604f027c45a8aa3cf793d0eb"
dependencies = [
"libc",
]
[[package]] [[package]]
name = "instant" name = "instant"
version = "0.1.12" version = "0.1.12"
@ -697,6 +738,26 @@ version = "1.0.6"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6" checksum = "453ad9f582a441959e5f0d088b02ce04cfe8d51a8eaf077f12ac6d3e94164ca6"
[[package]]
name = "kqueue"
version = "1.0.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2c8fc60ba15bf51257aa9807a48a61013db043fcf3a78cb0d916e8e396dcad98"
dependencies = [
"kqueue-sys",
"libc",
]
[[package]]
name = "kqueue-sys"
version = "1.0.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8367585489f01bc55dd27404dcf56b95e6da061a256a666ab23be9ba96a2e587"
dependencies = [
"bitflags 1.3.2",
"libc",
]
[[package]] [[package]]
name = "lazy_static" name = "lazy_static"
version = "1.4.0" version = "1.4.0"
@ -768,6 +829,7 @@ dependencies = [
"askama", "askama",
"askama_rocket", "askama_rocket",
"log", "log",
"notify",
"rocket", "rocket",
"rust-embed", "rust-embed",
"serde", "serde",
@ -814,6 +876,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2" checksum = "927a765cd3fc26206e66b296465fa9d3e5ab003e651c1b3c060e7956d96b19d2"
dependencies = [ dependencies = [
"libc", "libc",
"log",
"wasi", "wasi",
"windows-sys 0.48.0", "windows-sys 0.48.0",
] ]
@ -848,6 +911,23 @@ dependencies = [
"minimal-lexical", "minimal-lexical",
] ]
[[package]]
name = "notify"
version = "6.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5738a2795d57ea20abec2d6d76c6081186709c0024187cd5977265eda6598b51"
dependencies = [
"bitflags 1.3.2",
"filetime",
"fsevent-sys",
"inotify",
"kqueue",
"libc",
"mio",
"walkdir",
"windows-sys 0.45.0",
]
[[package]] [[package]]
name = "nu-ansi-term" name = "nu-ansi-term"
version = "0.46.0" version = "0.46.0"
@ -915,7 +995,7 @@ dependencies = [
"libc", "libc",
"redox_syscall 0.3.5", "redox_syscall 0.3.5",
"smallvec", "smallvec",
"windows-targets", "windows-targets 0.48.1",
] ]
[[package]] [[package]]
@ -1787,7 +1867,7 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f" checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
dependencies = [ dependencies = [
"windows-targets", "windows-targets 0.48.1",
] ]
[[package]] [[package]]
@ -1805,13 +1885,37 @@ dependencies = [
"windows_x86_64_msvc 0.42.2", "windows_x86_64_msvc 0.42.2",
] ]
[[package]]
name = "windows-sys"
version = "0.45.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
dependencies = [
"windows-targets 0.42.2",
]
[[package]] [[package]]
name = "windows-sys" name = "windows-sys"
version = "0.48.0" version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9" checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [ dependencies = [
"windows-targets", "windows-targets 0.48.1",
]
[[package]]
name = "windows-targets"
version = "0.42.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
dependencies = [
"windows_aarch64_gnullvm 0.42.2",
"windows_aarch64_msvc 0.42.2",
"windows_i686_gnu 0.42.2",
"windows_i686_msvc 0.42.2",
"windows_x86_64_gnu 0.42.2",
"windows_x86_64_gnullvm 0.42.2",
"windows_x86_64_msvc 0.42.2",
] ]
[[package]] [[package]]

View file

@ -5,6 +5,7 @@ members = ["cli", "shared"]
name = "meowy-webring" name = "meowy-webring"
version = "0.1.0" version = "0.1.0"
edition = "2021" edition = "2021"
rust-version = "1.70"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@ -45,3 +46,8 @@ path = "./shared"
[dependencies.simple_logger] [dependencies.simple_logger]
version = "4" version = "4"
default-features = false default-features = false
[dependencies.notify]
version = "6"
default-features = false
features = ["macos_fsevent"]

View file

@ -19,7 +19,7 @@ pub(crate) fn print(
if let Some(filter) = filter { if let Some(filter) = filter {
names.retain(|f| &f.url == filter); names.retain(|f| &f.url == filter);
if names.len() == 0 { if names.is_empty() {
return Err(Error { return Err(Error {
status: ErrorStatus::NotFoundError, status: ErrorStatus::NotFoundError,
data: "this url was not found in names.json".into(), data: "this url was not found in names.json".into(),
@ -50,8 +50,8 @@ fn filter_site(
json_printing(site)?; json_printing(site)?;
return Ok(()); return Ok(());
} }
printing(separator, site, group);
return Ok(printing(separator, site, group)); Ok(())
} }
fn json_printing(site: &Site) -> Result<(), Error> { fn json_printing(site: &Site) -> Result<(), Error> {

View file

@ -11,7 +11,7 @@ pub(crate) fn remove(path: &Path, url: &String, separator: &String) -> Result<()
if &site.url == url { if &site.url == url {
println!( println!(
"removing {} from names.json", "removing {} from names.json",
site_string(&site, PrintOptions::All, separator) site_string(site, PrintOptions::All, separator)
); );
} }
&site.url != url &site.url != url

View file

@ -24,5 +24,5 @@ pub(super) fn site_string(site: &Site, options: PrintOptions, separator: &String
} }
} }
return string; string
} }

View file

@ -26,6 +26,11 @@ pub fn get_names_path() -> Result<PathBuf, Error> {
return get_file_from_directory(directory.data_dir(), "names.json"); return get_file_from_directory(directory.data_dir(), "names.json");
} }
pub fn get_names_project_path() -> Result<PathBuf, Error> {
let directory = get_project_dir()?;
return Ok(directory.data_dir().to_path_buf());
}
fn create_directory(path: &Path) -> Result<(), Error> { fn create_directory(path: &Path) -> Result<(), Error> {
match std::fs::create_dir_all(path) { match std::fs::create_dir_all(path) {
Ok(_) => { Ok(_) => {

View file

@ -5,7 +5,8 @@ pub enum ErrorStatus {
DirectoriesError, DirectoriesError,
LoggerInitializationError, LoggerInitializationError,
NotFoundError, NotFoundError,
AlreadyExistsError AlreadyExistsError,
GenericError
} }
pub struct Error { pub struct Error {

View file

@ -1,4 +1,6 @@
use shared::{directories, names}; use crate::watcher::hot_reloading;
use rocket::tokio;
use sites::init_names;
#[macro_use] #[macro_use]
extern crate rocket; extern crate rocket;
@ -6,16 +8,15 @@ extern crate rocket;
mod assets; mod assets;
mod links; mod links;
mod routes; mod routes;
mod sites;
mod watcher;
#[launch] #[launch]
fn rocket() -> _ { async fn rocket() -> _ {
let names_path = directories::get_names_path().unwrap(); init_names().unwrap();
println!("names.json path: {}", names_path.display()); tokio::task::spawn_blocking(hot_reloading);
let names_file = names::read_names_file(&names_path).unwrap();
let names = names::load_names(names_file).unwrap();
rocket::build() rocket::build()
.manage(names)
.mount( .mount(
"/", "/",
routes![routes::index, routes::previous, routes::next, routes::name], routes![routes::index, routes::previous, routes::next, routes::name],

View file

@ -1,12 +1,14 @@
use crate::{links::{next_url, previous_url}, assets::ErrorTemplate}; use crate::{
assets::ErrorTemplate,
links::{next_url, previous_url},
sites::get_global_names,
};
use rocket::{ use rocket::{
http::Status, http::Status,
response::Redirect, response::Redirect,
serde::{json::Json, Serialize}, serde::{json::Json, Serialize},
State,
}; };
use shared::names::Site;
const NOT_FOUND_ERROR: ErrorTemplate = ErrorTemplate { const NOT_FOUND_ERROR: ErrorTemplate = ErrorTemplate {
error: "Not Found", error: "Not Found",
@ -26,27 +28,25 @@ pub fn index() -> &'static str {
} }
#[get("/previous?<source_url>")] #[get("/previous?<source_url>")]
pub fn previous(source_url: String, names: &State<Vec<Site>>) -> Result<Redirect, Status> { pub async fn previous(source_url: String) -> Result<Redirect, Status> {
let names = names.inner(); match previous_url(&source_url, &get_global_names().await) {
match previous_url(&source_url, names) {
Some(url) => Ok(Redirect::to(format!("https://{}", url))), Some(url) => Ok(Redirect::to(format!("https://{}", url))),
None => Err(Status::NotFound), None => Err(Status::NotFound),
} }
} }
#[get("/next?<source_url>")] #[get("/next?<source_url>")]
pub fn next(source_url: String, names: &State<Vec<Site>>) -> Result<Redirect, Status> { pub async fn next(source_url: String) -> Result<Redirect, Status> {
let names = names.inner(); match next_url(&source_url, &get_global_names().await) {
match next_url(&source_url, names) {
Some(url) => Ok(Redirect::to(format!("https://{}", url))), Some(url) => Ok(Redirect::to(format!("https://{}", url))),
None => Err(Status::NotFound), None => Err(Status::NotFound),
} }
} }
#[get("/name?<source_url>")] #[get("/name?<source_url>")]
pub fn name(source_url: String, names: &State<Vec<Site>>) -> Result<Json<JsonResponse>, Status> { pub async fn name(source_url: String) -> Result<Json<JsonResponse>, Status> {
let previous_site_name = previous_url(&source_url, names); let previous_site_name = previous_url(&source_url, &get_global_names().await);
let next_site_name = next_url(&source_url, names); let next_site_name = next_url(&source_url, &get_global_names().await);
if previous_site_name.is_none() && next_site_name.is_none() { if previous_site_name.is_none() && next_site_name.is_none() {
return Err(Status::NotFound); return Err(Status::NotFound);

40
src/sites.rs Normal file
View file

@ -0,0 +1,40 @@
use rocket::tokio::sync::Mutex;
use shared::{
directories,
errors::{Error, ErrorStatus},
names::{self, Site},
};
use std::sync::OnceLock;
pub async fn get_global_names() -> Vec<Site> {
NAMES.get().unwrap().lock().await.clone()
}
pub fn set_names() {
match get_names() {
Ok(names) => *NAMES.get().unwrap().blocking_lock() = names,
Err(err) => println!("{:?}", err),
}
}
static NAMES: OnceLock<Mutex<Vec<Site>>> = OnceLock::new();
pub fn init_names() -> Result<(), Error> {
println!(
"names.json path: {}",
directories::get_names_path().unwrap().display()
);
match NAMES.set(Mutex::new(get_names().unwrap())) {
Ok(_) => Ok(()),
Err(_) => Err(Error {
status: ErrorStatus::GenericError,
data: "an error has occured while trying to get the names.json file".into(),
}),
}
}
fn get_names() -> Result<Vec<Site>, Error> {
let names_path = directories::get_names_path()?;
let names_file = names::read_names_file(&names_path)?;
names::load_names(names_file)
}

32
src/watcher.rs Normal file
View file

@ -0,0 +1,32 @@
use notify::{
event::{DataChange, ModifyKind},
EventKind, Result, Watcher,
};
use shared::directories;
use crate::sites;
pub(crate) fn hot_reloading() {
let (tx, rx) = std::sync::mpsc::channel();
let names_path = directories::get_names_project_path().unwrap();
let mut watcher = notify::recommended_watcher(tx).unwrap();
watcher
.watch(&names_path, notify::RecursiveMode::NonRecursive)
.unwrap();
for res in rx {
watch(res);
}
}
fn watch(res: Result<notify::Event>) {
match res {
Ok(event) => {
if event.kind == EventKind::Modify(ModifyKind::Data(DataChange::Any)) {
sites::set_names();
}
}
Err(err) => println!("Error: {}", err),
}
}