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cargo fmt

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Mingwei Samuel 2023-05-10 11:20:15 -07:00
parent 31c2794863
commit 83a4b456d0
23 changed files with 486 additions and 274 deletions
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63
example/proxy/src/main.rs
View file

@ -2,16 +2,16 @@
use std::convert::Infallible;
use hyper::http;
use http::{Method, Request, Response, StatusCode};
use hyper::{ Body, Server };
use hyper::service::{ make_service_fn, service_fn };
use hyper::header::HeaderValue;
use hyper::http;
use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Server};
use lazy_static::lazy_static;
use tracing as log;
use riven::{ RiotApi, RiotApiConfig };
use riven::consts::Route;
use riven::{RiotApi, RiotApiConfig};
lazy_static! {
/// Create lazy static RiotApi instance.
@ -31,47 +31,64 @@ lazy_static! {
fn create_json_response(body: &'static str, status: StatusCode) -> Response<Body> {
let mut resp = Response::new(Body::from(body));
*resp.status_mut() = status;
resp.headers_mut().insert(hyper::header::CONTENT_TYPE, HeaderValue::from_static("application/json"));
resp.headers_mut().insert(
hyper::header::CONTENT_TYPE,
HeaderValue::from_static("application/json"),
);
resp
}
/// Main request handler service.
async fn handle_request(req: Request<Body>) -> Result<Response<Body>, Infallible> {
let (parts, body) = req.into_parts();
let http::request::Parts { method, uri, .. } = parts;
// Handle path.
let path_data_opt = parse_path(&method, uri.path());
let (route, method_id, req_path) = match path_data_opt {
None => return Ok(create_json_response(
r#"{"error":"Riot API endpoint method not found."}"#, StatusCode::NOT_FOUND)),
None => {
return Ok(create_json_response(
r#"{"error":"Riot API endpoint method not found."}"#,
StatusCode::NOT_FOUND,
))
}
Some(path_data) => path_data,
};
log::debug!("Request to route {:?}, method ID {:?}: {} {:?}.", route, method_id, method, req_path);
log::debug!(
"Request to route {:?}, method ID {:?}: {} {:?}.",
route,
method_id,
method,
req_path
);
// Convert http:request::Parts from hyper to reqwest's RequestBuilder.
let body = match hyper::body::to_bytes(body).await {
Err(err) => {
log::info!("Error handling request body: {:#?}", err);
return Ok(create_json_response(
r#"{"error":"Failed to handle request body."}"#, StatusCode::BAD_REQUEST));
},
r#"{"error":"Failed to handle request body."}"#,
StatusCode::BAD_REQUEST,
));
}
Ok(bytes) => bytes,
};
let req_builder = RIOT_API.request(method, route.into(), req_path)
.body(body);
let req_builder = RIOT_API.request(method, route.into(), req_path).body(body);
// Send request to Riot API.
let resp_result = RIOT_API.execute_raw(method_id, route.into(), req_builder).await;
let resp_result = RIOT_API
.execute_raw(method_id, route.into(), req_builder)
.await;
let resp_info = match resp_result {
Err(err) => {
log::info!("Riot API error: {:#?}", err.source_reqwest_error());
return Ok(create_json_response(
r#"{"error":"Riot API request failed."}"#, StatusCode::INTERNAL_SERVER_ERROR));
},
r#"{"error":"Riot API request failed."}"#,
StatusCode::INTERNAL_SERVER_ERROR,
));
}
Ok(resp_info) => resp_info,
};
@ -91,8 +108,12 @@ async fn handle_request(req: Request<Body>) -> Result<Response<Body>, Infallible
// Using streams would be faster.
let bytes_result = api_response.bytes().await;
let bytes = match bytes_result {
Err(_err) => return Ok(create_json_response(
r#"{"error":"Failed to get body from Riot API response."}"#, StatusCode::INTERNAL_SERVER_ERROR)),
Err(_err) => {
return Ok(create_json_response(
r#"{"error":"Failed to get body from Riot API response."}"#,
StatusCode::INTERNAL_SERVER_ERROR,
))
}
Ok(bytes) => bytes,
};
*out_response.body_mut() = Body::from((&bytes[..]).to_vec());
@ -101,8 +122,10 @@ async fn handle_request(req: Request<Body>) -> Result<Response<Body>, Infallible
}
/// Gets the region, method_id, and Riot API path based on the given http method and path.
fn parse_path<'a>(http_method: &Method, req_path: &'a str) -> Option<( Route, &'static str, &'a str )> {
fn parse_path<'a>(
http_method: &Method,
req_path: &'a str,
) -> Option<(Route, &'static str, &'a str)> {
// Split URI into region and rest of path.
let req_path = req_path.trim_start_matches('/');
let (route, req_path) = req_path.split_at(req_path.find('/')?);

24
riven/src/config.rs
View file

@ -1,8 +1,8 @@
//! Configuration of RiotApi.
use std::time::Duration;
use reqwest::ClientBuilder;
use reqwest::header::{HeaderMap, HeaderValue};
use reqwest::ClientBuilder;
/// Configuration for instantiating RiotApi.
///
@ -72,7 +72,7 @@ impl RiotApiConfig {
let mut default_headers = HeaderMap::new();
default_headers.insert(
Self::RIOT_KEY_HEADER,
HeaderValue::from_bytes(api_key.as_ref()).unwrap()
HeaderValue::from_bytes(api_key.as_ref()).unwrap(),
);
Self {
@ -82,10 +82,7 @@ impl RiotApiConfig {
method_rate_usage_factor: Self::DEFAULT_RATE_USAGE_FACTOR,
burst_factor: Self::PRECONFIG_BURST_BURST_FACTOR,
duration_overhead: Self::PRECONFIG_BURST_DURATION_OVERHEAD,
client_builder: Some(
ClientBuilder::new()
.default_headers(default_headers)
),
client_builder: Some(ClientBuilder::new().default_headers(default_headers)),
}
}
@ -191,7 +188,10 @@ impl RiotApiConfig {
self.method_rate_usage_factor = rate_usage_factor;
return self;
}
panic!("rate_usage_factor \"{}\" not in range (0, 1].", rate_usage_factor);
panic!(
"rate_usage_factor \"{}\" not in range (0, 1].",
rate_usage_factor
);
}
/// See [Self::set_rate_usage_factor]. Setting this is useful if you have multiple
@ -209,7 +209,10 @@ impl RiotApiConfig {
self.app_rate_usage_factor = app_rate_usage_factor;
return self;
}
panic!("app_rate_usage_factor \"{}\" not in range (0, 1].", app_rate_usage_factor);
panic!(
"app_rate_usage_factor \"{}\" not in range (0, 1].",
app_rate_usage_factor
);
}
/// See [Self::set_rate_usage_factor] and [Self::set_app_rate_usage_factor].
@ -227,7 +230,10 @@ impl RiotApiConfig {
self.method_rate_usage_factor = method_rate_usage_factor;
return self;
}
panic!("method_rate_usage_factor \"{}\" not in range (0, 1].", method_rate_usage_factor);
panic!(
"method_rate_usage_factor \"{}\" not in range (0, 1].",
method_rate_usage_factor
);
}
/// Burst percentage controls how many burst requests are allowed and

25
riven/src/consts/division.rs
View file

@ -1,9 +1,9 @@
use std::cmp::Ordering;
use num_enum::{IntoPrimitive, TryFromPrimitive};
use serde::{ Serialize, Deserialize };
use serde::{Deserialize, Serialize};
use strum::IntoEnumIterator;
use strum_macros::{ EnumString, Display, AsRefStr, IntoStaticStr };
use strum_macros::{AsRefStr, Display, EnumString, IntoStaticStr};
/// LoL and TFT rank divisions, I, II, III, IV, and (deprecated) V.
///
@ -12,11 +12,22 @@ use strum_macros::{ EnumString, Display, AsRefStr, IntoStaticStr };
/// Repr'd as equivalent numeric values, (1, 2, 3, 4, 5).
///
/// Implements [IntoEnumIterator](super::IntoEnumIterator). Iterator excludes deprecated `Division::V`.
#[derive(Debug, Copy, Clone)]
#[derive(Eq, PartialEq, Hash)]
#[derive(EnumString, Display, AsRefStr, IntoStaticStr)]
#[derive(IntoPrimitive, TryFromPrimitive)]
#[derive(Serialize, Deserialize)]
#[derive(
Debug,
Copy,
Clone,
Eq,
PartialEq,
Hash,
EnumString,
Display,
AsRefStr,
IntoStaticStr,
IntoPrimitive,
TryFromPrimitive,
Serialize,
Deserialize,
)]
#[repr(u8)]
pub enum Division {
/// Division 1, the best/highest division in a [`Tier`](crate::consts::Tier), or the only division in

11
riven/src/consts/macros.rs
View file

@ -38,7 +38,7 @@ macro_rules! serde_strum_unknown {
impl<'de> serde::de::Deserialize<'de> for $name {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::de::Deserializer<'de>
D: serde::de::Deserializer<'de>,
{
#[cfg(not(feature = "deny-unknown-enum-variants-strings"))]
{
@ -46,20 +46,19 @@ macro_rules! serde_strum_unknown {
}
#[cfg(feature = "deny-unknown-enum-variants-strings")]
{
<&str>::deserialize(deserializer).map(Into::into)
.and_then(|item| {
match item {
<&str>::deserialize(deserializer)
.map(Into::into)
.and_then(|item| match item {
Self::UNKNOWN(unknown) => Err(serde::de::Error::unknown_variant(
&*unknown,
<Self as strum::VariantNames>::VARIANTS,
)),
other => Ok(other),
}
})
}
}
}
}
};
}
macro_rules! arr {

8
riven/src/consts/ranks.rs
View file

@ -4,7 +4,7 @@ use std::iter::Peekable;
use strum::IntoEnumIterator;
use super::{ Tier, Division };
use super::{Division, Tier};
/// (Tier, Division) tuple representing a rank.
pub type Rank = (Tier, Division);
@ -20,8 +20,7 @@ impl Iterator for Iter {
fn next(&mut self) -> Option<Self::Item> {
// First find the tier (innermost loop).
// If none found, we go to next tier (in unwrap_or_else case).
let div = self.div_iter.next()
.unwrap_or_else(|| {
let div = self.div_iter.next().unwrap_or_else(|| {
// If no divisions available, go to next tier, reset the divisions, and return I.
self.tier_iter.next();
self.div_iter = Division::iter();
@ -66,7 +65,7 @@ pub fn non_apex_iter() -> Iter {
#[cfg(test)]
mod tests {
use super::{ Tier, Division };
use super::{Division, Tier};
#[test]
fn iter() {
@ -84,7 +83,6 @@ mod tests {
assert_eq!(None, it.next());
}
#[test]
fn non_apex_iter() {
let mut it = super::non_apex_iter();

60
riven/src/consts/route_ext.rs
View file

@ -1,9 +1,7 @@
use super::{ RegionalRoute, PlatformRoute, ValPlatformRoute };
use super::{PlatformRoute, RegionalRoute, ValPlatformRoute};
/// Utility enum containing all routing variants.
#[derive(Debug)]
#[derive(PartialEq, Eq, Hash, PartialOrd, Ord)]
#[derive(Clone, Copy)]
#[derive(Debug, PartialEq, Eq, Hash, PartialOrd, Ord, Clone, Copy)]
#[repr(u8)]
#[non_exhaustive]
pub enum Route {
@ -40,13 +38,13 @@ impl num_enum::TryFromPrimitive for Route {
const NAME: &'static str = stringify!(Route);
fn try_from_primitive(number: Self::Primitive) -> Result<Self, num_enum::TryFromPrimitiveError<Self>> {
fn try_from_primitive(
number: Self::Primitive,
) -> Result<Self, num_enum::TryFromPrimitiveError<Self>> {
RegionalRoute::try_from_primitive(number)
.map(Route::Regional)
.or_else(|_| PlatformRoute::try_from_primitive(number)
.map(Route::Platform))
.or_else(|_| ValPlatformRoute::try_from_primitive(number)
.map(Route::ValPlatform))
.or_else(|_| PlatformRoute::try_from_primitive(number).map(Route::Platform))
.or_else(|_| ValPlatformRoute::try_from_primitive(number).map(Route::ValPlatform))
.map_err(|_| num_enum::TryFromPrimitiveError { number })
}
}
@ -73,10 +71,8 @@ impl std::str::FromStr for Route {
fn from_str(s: &str) -> Result<Self, Self::Err> {
RegionalRoute::from_str(s)
.map(Self::Regional)
.or_else(|_| PlatformRoute::from_str(s)
.map(Self::Platform))
.or_else(|_| ValPlatformRoute::from_str(s)
.map(Self::ValPlatform))
.or_else(|_| PlatformRoute::from_str(s).map(Self::Platform))
.or_else(|_| ValPlatformRoute::from_str(s).map(Self::ValPlatform))
.map_err(|_| strum::ParseError::VariantNotFound)
}
}
@ -87,16 +83,11 @@ impl Route {
pub fn iter() -> impl Iterator<Item = Self> {
use strum::IntoEnumIterator;
let regional = RegionalRoute::iter()
.map(Self::Regional);
let platform = PlatformRoute::iter()
.map(Self::Platform);
let val_platform = ValPlatformRoute::iter()
.map(Self::ValPlatform);
let regional = RegionalRoute::iter().map(Self::Regional);
let platform = PlatformRoute::iter().map(Self::Platform);
let val_platform = ValPlatformRoute::iter().map(Self::ValPlatform);
regional
.chain(platform)
.chain(val_platform)
regional.chain(platform).chain(val_platform)
}
}
@ -106,9 +97,18 @@ mod tests {
#[test]
fn test_route_tostring() {
assert_eq!("AMERICAS", Into::<&'static str>::into(Route::Regional(RegionalRoute::AMERICAS)));
assert_eq!("KR", Into::<&'static str>::into(Route::Platform(PlatformRoute::KR)));
assert_eq!("KR", Into::<&'static str>::into(Route::ValPlatform(ValPlatformRoute::KR)));
assert_eq!(
"AMERICAS",
Into::<&'static str>::into(Route::Regional(RegionalRoute::AMERICAS))
);
assert_eq!(
"KR",
Into::<&'static str>::into(Route::Platform(PlatformRoute::KR))
);
assert_eq!(
"KR",
Into::<&'static str>::into(Route::ValPlatform(ValPlatformRoute::KR))
);
}
#[test]
@ -132,7 +132,10 @@ mod tests {
assert_eq!("AMERICAS", RegionalRoute::AMERICAS.to_string());
assert_eq!("SEA", RegionalRoute::SEA.to_string());
assert_eq!("AMERICAS", Into::<&'static str>::into(RegionalRoute::AMERICAS));
assert_eq!(
"AMERICAS",
Into::<&'static str>::into(RegionalRoute::AMERICAS)
);
assert_eq!("SEA", Into::<&'static str>::into(RegionalRoute::SEA));
}
@ -171,7 +174,10 @@ mod tests {
assert_eq!("AP", Into::<&'static str>::into(ValPlatformRoute::AP));
assert_eq!("KR", Into::<&'static str>::into(ValPlatformRoute::KR));
assert_eq!("ESPORTS", Into::<&'static str>::into(ValPlatformRoute::ESPORTS));
assert_eq!(
"ESPORTS",
Into::<&'static str>::into(ValPlatformRoute::ESPORTS)
);
}
#[test]

20
riven/src/consts/team.rs
View file

@ -1,11 +1,21 @@
use serde_repr::{ Serialize_repr, Deserialize_repr };
use num_enum::{IntoPrimitive, TryFromPrimitive};
use serde_repr::{Deserialize_repr, Serialize_repr};
/// League of Legends team.
#[derive(Debug, Copy, Clone)]
#[derive(Eq, PartialEq, Hash, Ord, PartialOrd)]
#[derive(Serialize_repr, Deserialize_repr)]
#[derive(IntoPrimitive, TryFromPrimitive)]
#[derive(
Debug,
Copy,
Clone,
Eq,
PartialEq,
Hash,
Ord,
PartialOrd,
Serialize_repr,
Deserialize_repr,
IntoPrimitive,
TryFromPrimitive,
)]
#[repr(u16)]
pub enum Team {
/// Blue team (bottom left on Summoner's Rift).

49
riven/src/consts/tier.rs
View file

@ -1,7 +1,7 @@
use num_enum::{IntoPrimitive, TryFromPrimitive};
use serde::{ Serialize, Deserialize };
use serde::{Deserialize, Serialize};
use strum::IntoEnumIterator;
use strum_macros::{ EnumString, Display, AsRefStr, IntoStaticStr };
use strum_macros::{AsRefStr, Display, EnumString, IntoStaticStr};
/// LoL and TFT ranked tiers, such as gold, diamond, challenger, etc.
///
@ -10,11 +10,24 @@ use strum_macros::{ EnumString, Display, AsRefStr, IntoStaticStr };
/// Repr'd as arbitrary `u8` values.
///
/// Implements [IntoEnumIterator](super::IntoEnumIterator).
#[derive(Debug, Copy, Clone)]
#[derive(Eq, PartialEq, Hash, PartialOrd, Ord)]
#[derive(IntoPrimitive, TryFromPrimitive)]
#[derive(EnumString, Display, AsRefStr, IntoStaticStr)]
#[derive(Serialize, Deserialize)]
#[derive(
Debug,
Copy,
Clone,
Eq,
PartialEq,
Hash,
PartialOrd,
Ord,
IntoPrimitive,
TryFromPrimitive,
EnumString,
Display,
AsRefStr,
IntoStaticStr,
Serialize,
Deserialize,
)]
#[repr(u8)]
pub enum Tier {
/// Challenger, the highest tier, an apex tier. Repr: `220_u8`.
@ -77,7 +90,11 @@ impl Tier {
/// Converts UNRANKED to None and all ranked tiers to Some(...).
pub fn to_ranked(self) -> Option<Self> {
if self.is_unranked() { None } else { Some(self) }
if self.is_unranked() {
None
} else {
Some(self)
}
}
}
@ -88,10 +105,18 @@ impl IntoEnumIterator for Tier {
type Iterator = std::iter::Copied<std::slice::Iter<'static, Self>>;
fn iter() -> Self::Iterator {
[
Self::CHALLENGER, Self::GRANDMASTER, Self::MASTER,
Self::DIAMOND, Self::PLATINUM, Self::GOLD,
Self::SILVER, Self::BRONZE, Self::IRON
].iter().copied()
Self::CHALLENGER,
Self::GRANDMASTER,
Self::MASTER,
Self::DIAMOND,
Self::PLATINUM,
Self::GOLD,
Self::SILVER,
Self::BRONZE,
Self::IRON,
]
.iter()
.copied()
}
}

7
riven/src/error.rs
View file

@ -17,7 +17,12 @@ pub struct RiotApiError {
status_code: Option<StatusCode>,
}
impl RiotApiError {
pub(crate) fn new(reqwest_error: Error, retries: u8, response: Option<Response>, status_code: Option<StatusCode>) -> Self {
pub(crate) fn new(
reqwest_error: Error,
retries: u8,
response: Option<Response>,
status_code: Option<StatusCode>,
) -> Self {
Self {
reqwest_error,
retries,

2
riven/src/models_impls.rs
View file

@ -1,5 +1,5 @@
use crate::models::match_v5::Participant;
use crate::consts::Champion;
use crate::models::match_v5::Participant;
impl Participant {
/// This method takes the [`Self::champion_id`] field if it is valid

117
riven/src/req/rate_limit.rs
View file

@ -2,18 +2,18 @@ use std::cmp;
use std::time::{Duration, Instant};
#[cfg(not(feature = "tracing"))]
use log as log;
use log;
#[cfg(feature = "tracing")]
use tracing as log;
use parking_lot::{RwLock, RwLockUpgradableReadGuard};
use reqwest::{ StatusCode, Response };
use reqwest::{Response, StatusCode};
use scan_fmt::scan_fmt;
use tokio::sync::Notify;
use crate::RiotApiConfig;
use super::{ TokenBucket, VectorTokenBucket };
use super::RateLimitType;
use super::{TokenBucket, VectorTokenBucket};
use crate::RiotApiConfig;
pub struct RateLimit {
rate_limit_type: RateLimitType,
@ -42,8 +42,8 @@ impl RateLimit {
const HEADER_XRATELIMITTYPE_SERVICE: &'static str = "service";
pub fn new(rate_limit_type: RateLimitType) -> Self {
let initial_bucket = VectorTokenBucket::new(
Duration::from_secs(1), 1, Duration::new(0, 0), 1.0, 1.0);
let initial_bucket =
VectorTokenBucket::new(Duration::from_secs(1), 1, Duration::new(0, 0), 1.0, 1.0);
RateLimit {
rate_limit_type,
// Rate limit before getting from response: 1/s.
@ -65,13 +65,19 @@ impl RateLimit {
}
}
fn acquire_both_or_duration(app_rate_limit: &Self, method_rate_limit: &Self) -> Option<Duration> {
fn acquire_both_or_duration(
app_rate_limit: &Self,
method_rate_limit: &Self,
) -> Option<Duration> {
// Check retry after.
{
let retry_after_delay = app_rate_limit.get_retry_after_delay()
.and_then(|a| method_rate_limit.get_retry_after_delay().map(|m| cmp::max(a, m)));
let retry_after_delay = app_rate_limit.get_retry_after_delay().and_then(|a| {
method_rate_limit
.get_retry_after_delay()
.map(|m| cmp::max(a, m))
});
if retry_after_delay.is_some() {
return retry_after_delay
return retry_after_delay;
}
}
// Check buckets.
@ -88,12 +94,18 @@ impl RateLimit {
bucket.get_tokens(1);
}
log::trace!("Tokens obtained, buckets: APP {:?} METHOD {:?}", app_buckets, method_buckets);
log::trace!(
"Tokens obtained, buckets: APP {:?} METHOD {:?}",
app_buckets,
method_buckets
);
None
}
pub fn get_retry_after_delay(&self) -> Option<Duration> {
self.retry_after.read().and_then(|i| Instant::now().checked_duration_since(i))
self.retry_after
.read()
.and_then(|i| Instant::now().checked_duration_since(i))
}
/// Update retry-after and rate limits based on an API response.
@ -153,13 +165,25 @@ impl RateLimit {
}
// Get retry after header. Only care if it exists.
let retry_after_header = response.headers()
let retry_after_header = response
.headers()
.get(reqwest::header::RETRY_AFTER)
.and_then(|h| h
.to_str()
.map_err(|e| log::error!("Failed to read retry-after header as visible ASCII string: {:?}.", e)).ok())?;
.and_then(|h| {
h.to_str()
.map_err(|e| {
log::error!(
"Failed to read retry-after header as visible ASCII string: {:?}.",
e
)
})
.ok()
})?;
log::info!("429 response, rate limit {:?}, retry-after {} secs.", self.rate_limit_type, retry_after_header);
log::info!(
"429 response, rate limit {:?}, retry-after {} secs.",
self.rate_limit_type,
retry_after_header
);
// Header currently only returns ints, but float is more general. Can be zero.
let retry_after_secs = retry_after_header
@ -179,10 +203,30 @@ impl RateLimit {
fn on_response_rate_limits(&self, config: &RiotApiConfig, response: &Response) {
// Check if rate limits changed.
let headers = response.headers();
let limit_header_opt = headers.get(self.rate_limit_type.limit_header())
.and_then(|h| h.to_str().map_err(|e| log::error!("Failed to read limit header as visible ASCII string: {:?}.", e)).ok());
let count_header_opt = headers.get(self.rate_limit_type.count_header())
.and_then(|h| h.to_str().map_err(|e| log::error!("Failed to read count header as visible ASCII string: {:?}.", e)).ok());
let limit_header_opt = headers
.get(self.rate_limit_type.limit_header())
.and_then(|h| {
h.to_str()
.map_err(|e| {
log::error!(
"Failed to read limit header as visible ASCII string: {:?}.",
e
)
})
.ok()
});
let count_header_opt = headers
.get(self.rate_limit_type.count_header())
.and_then(|h| {
h.to_str()
.map_err(|e| {
log::error!(
"Failed to read count header as visible ASCII string: {:?}.",
e
)
})
.ok()
});
if let (Some(limit_header), Some(count_header)) = (limit_header_opt, count_header_opt) {
{
@ -193,7 +237,8 @@ impl RateLimit {
// Buckets require updating. Upgrade to write lock.
let mut buckets = RwLockUpgradableReadGuard::upgrade(buckets);
*buckets = buckets_from_header(config, limit_header, count_header, self.rate_limit_type);
*buckets =
buckets_from_header(config, limit_header, count_header, self.rate_limit_type);
}
// Notify waiters that buckets have updated (after unlocking).
self.update_notify.notify_waiters();
@ -207,7 +252,11 @@ fn buckets_require_updating(limit_header: &str, buckets: &[VectorTokenBucket]) -
}
for (limit_header_entry, bucket) in limit_header.split(',').zip(buckets) {
// limit_header_entry "100:60" means 100 req per 60 sec.
let bucket_entry = format!("{}:{}", bucket.get_total_limit(), bucket.get_bucket_duration().as_secs());
let bucket_entry = format!(
"{}:{}",
bucket.get_total_limit(),
bucket.get_bucket_duration().as_secs()
);
if limit_header_entry != bucket_entry {
return true;
}
@ -215,7 +264,12 @@ fn buckets_require_updating(limit_header: &str, buckets: &[VectorTokenBucket]) -
false
}
fn buckets_from_header(config: &RiotApiConfig, limit_header: &str, count_header: &str, rate_limit_type: RateLimitType) -> Vec<VectorTokenBucket> {
fn buckets_from_header(
config: &RiotApiConfig,
limit_header: &str,
count_header: &str,
rate_limit_type: RateLimitType,
) -> Vec<VectorTokenBucket> {
// Limits: "20000:10,1200000:600"
// Counts: "7:10,58:600"
let size = limit_header.split(',').count();
@ -238,11 +292,20 @@ fn buckets_from_header(config: &RiotApiConfig, limit_header: &str, count_header:
let limit_f32 = limit as f32;
let scaled_burst_factor = config.burst_factor * limit_f32 / (limit_f32 + 1.0);
let bucket = VectorTokenBucket::new(Duration::from_secs(limit_secs), limit,
config.duration_overhead, scaled_burst_factor, rate_usage_factor);
let bucket = VectorTokenBucket::new(
Duration::from_secs(limit_secs),
limit,
config.duration_overhead,
scaled_burst_factor,
rate_usage_factor,
);
bucket.get_tokens(count);
out.push(bucket);
}
log::debug!("Set buckets to {} limit, {} count.", limit_header, count_header);
log::debug!(
"Set buckets to {} limit, {} count.",
limit_header,
count_header
);
out
}

48
riven/src/req/regional_requester.rs
View file

@ -2,13 +2,13 @@ use std::future::Future;
use std::sync::Arc;
#[cfg(not(feature = "tracing"))]
use log as log;
use log;
#[cfg(feature = "tracing")]
use tracing as log;
#[cfg(feature = "tracing")]
use tracing::Instrument;
use reqwest::{ StatusCode, RequestBuilder };
use reqwest::{RequestBuilder, StatusCode};
use crate::util::InsertOnlyCHashMap;
use crate::ResponseInfo;
@ -40,15 +40,17 @@ impl RegionalRequester {
}
}
pub fn execute<'a>(self: Arc<Self>,
pub fn execute<'a>(
self: Arc<Self>,
config: &'a RiotApiConfig,
method_id: &'static str, request: RequestBuilder)
-> impl Future<Output = Result<ResponseInfo>> + 'a
{
method_id: &'static str,
request: RequestBuilder,
) -> impl Future<Output = Result<ResponseInfo>> + 'a {
async move {
let mut retries: u8 = 0;
loop {
let method_rate_limit: Arc<RateLimit> = self.method_rate_limits
let method_rate_limit: Arc<RateLimit> = self
.method_rate_limits
.get_or_insert_with(method_id, || RateLimit::new(RateLimitType::Method));
// Rate limit.
@ -79,24 +81,40 @@ impl RegionalRequester {
let status_none = Self::NONE_STATUS_CODES.contains(&status);
// Success case.
if status.is_success() || status_none {
log::trace!("Response {} (retried {} times), success, returning result.", status, retries);
log::trace!(
"Response {} (retried {} times), success, returning result.",
status,
retries
);
break Ok(ResponseInfo {
response,
retries,
status_none,
});
}
let err = response.error_for_status_ref().err().unwrap_or_else(
|| panic!("Unhandlable response status code, neither success nor failure: {}.", status));
let err = response.error_for_status_ref().err().unwrap_or_else(|| {
panic!(
"Unhandlable response status code, neither success nor failure: {}.",
status
)
});
// Failure, may or may not be retryable.
// Not-retryable: no more retries or 4xx or ? (3xx, redirects exceeded).
// Retryable: retries remaining, and 429 or 5xx.
if retries >= config.retries ||
(StatusCode::TOO_MANY_REQUESTS != status
&& !status.is_server_error())
if retries >= config.retries
|| (StatusCode::TOO_MANY_REQUESTS != status && !status.is_server_error())
{
log::debug!("Response {} (retried {} times), failure, returning error.", status, retries);
break Err(RiotApiError::new(err, retries, Some(response), Some(status)));
log::debug!(
"Response {} (retried {} times), failure, returning error.",
status,
retries
);
break Err(RiotApiError::new(
err,
retries,
Some(response),
Some(status),
));
}
// Is retryable, do exponential backoff if retry-after wasn't specified.

57
riven/src/req/token_bucket.rs
View file

@ -1,5 +1,5 @@
use std::fmt;
use std::collections::VecDeque;
use std::fmt;
use std::time::Duration;
use parking_lot::{Mutex, MutexGuard};
@ -58,32 +58,41 @@ pub struct VectorTokenBucket {
/// Limit allowed per burst_duration, for burst factor.
burst_limit: usize,
/// Record of timestamps (synchronized).
timestamps: Mutex<VecDeque<Instant>>,
}
impl VectorTokenBucket {
pub fn new(duration: Duration, given_total_limit: usize,
duration_overhead: Duration, burst_factor: f32,
rate_usage_factor: f32) -> Self
{
debug_assert!(0.0 < rate_usage_factor && rate_usage_factor <= 1.0,
"BAD rate_usage_factor {}.", rate_usage_factor);
debug_assert!(0.0 < burst_factor && burst_factor <= 1.0,
"BAD burst_factor {}.", burst_factor);
pub fn new(
duration: Duration,
given_total_limit: usize,
duration_overhead: Duration,
burst_factor: f32,
rate_usage_factor: f32,
) -> Self {
debug_assert!(
0.0 < rate_usage_factor && rate_usage_factor <= 1.0,
"BAD rate_usage_factor {}.",
rate_usage_factor
);
debug_assert!(
0.0 < burst_factor && burst_factor <= 1.0,
"BAD burst_factor {}.",
burst_factor
);
// Float ops may lose precision, but nothing should be that precise.
// API always uses round numbers, burst_factor is frac of 256.
// Adjust everything by rate_usage_factor.
let total_limit = std::cmp::max(1,
(given_total_limit as f32 * rate_usage_factor).floor() as usize);
let total_limit = std::cmp::max(
1,
(given_total_limit as f32 * rate_usage_factor).floor() as usize,
);
// Effective duration.
let d_eff = duration + duration_overhead;
let burst_duration = d_eff.mul_f32(burst_factor);
let burst_limit = std::cmp::max(1,
(total_limit as f32 * burst_factor).floor() as usize);
let burst_limit = std::cmp::max(1, (total_limit as f32 * burst_factor).floor() as usize);
debug_assert!(burst_limit <= total_limit);
VectorTokenBucket {
@ -113,21 +122,23 @@ impl VectorTokenBucket {
}
impl TokenBucket for VectorTokenBucket {
fn get_delay(&self) -> Option<Duration> {
let timestamps = self.update_get_timestamps();
// Full rate limit.
if let Some(ts) = timestamps.get(self.total_limit - 1) {
// Return amount of time needed for timestamp `ts` to go away.
Instant::now().checked_duration_since(*ts)
.and_then(|passed_dur| (self.duration + self.duration_overhead)
.checked_sub(passed_dur))
Instant::now()
.checked_duration_since(*ts)
.and_then(|passed_dur| {
(self.duration + self.duration_overhead).checked_sub(passed_dur)
})
}
// Otherwise burst rate limit.
else if let Some(ts) = timestamps.get(self.burst_limit - 1) {
// Return amount of time needed for timestamp `ts` to go away.
Instant::now().checked_duration_since(*ts)
Instant::now()
.checked_duration_since(*ts)
.and_then(|passed_dur| self.burst_duration.checked_sub(passed_dur))
}
// No delay needed.
@ -173,6 +184,12 @@ impl TokenBucket for VectorTokenBucket {
impl fmt::Debug for VectorTokenBucket {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "({}/{}:{})", self.timestamps.lock().len(), self.total_limit, self.duration.as_secs())
write!(
f,
"({}/{}:{})",
self.timestamps.lock().len(),
self.total_limit,
self.duration.as_secs()
)
}
}

86
riven/src/riot_api.rs
View file

@ -2,18 +2,18 @@ use std::future::Future;
use std::sync::Arc;
#[cfg(not(feature = "tracing"))]
use log as log;
use log;
#[cfg(feature = "tracing")]
use tracing as log;
use reqwest::{ Client, RequestBuilder, Method };
use reqwest::{Client, Method, RequestBuilder};
use crate::Result;
use crate::ResponseInfo;
use crate::RiotApiConfig;
use crate::RiotApiError;
use crate::req::RegionalRequester;
use crate::util::InsertOnlyCHashMap;
use crate::ResponseInfo;
use crate::Result;
use crate::RiotApiConfig;
use crate::RiotApiError;
/// For retrieving data from the Riot Games API.
///
@ -59,11 +59,15 @@ impl RiotApi {
/// Constructs a new instance from an API key (e.g. `"RGAPI-01234567-89ab-cdef-0123-456789abcdef"`) or a [RiotApiConfig].
pub fn new(config: impl Into<RiotApiConfig>) -> Self {
let mut config = config.into();
let client_builder = config.client_builder.take()
let client_builder = config
.client_builder
.take()
.expect("CLIENT_BUILDER IN CONFIG SHOULD NOT BE NONE.");
Self {
config,
client: client_builder.build().expect("Failed to create client from builder."),
client: client_builder
.build()
.expect("Failed to create client from builder."),
regional_requesters: InsertOnlyCHashMap::new(),
}
}
@ -78,7 +82,8 @@ impl RiotApi {
/// * `path` - The URL path, appended to the base URL.
pub fn request(&self, method: Method, region_platform: &str, path: &str) -> RequestBuilder {
let base_url_platform = self.config.base_url.replace("{}", region_platform);
self.client.request(method, format!("{}{}", base_url_platform, path))
self.client
.request(method, format!("{}{}", base_url_platform, path))
}
/// This method should generally not be used directly. Consider using endpoint wrappers instead.
@ -92,11 +97,15 @@ impl RiotApi {
///
/// # Returns
/// A future resolving to a `Result` containg either a `T` (success) or a `RiotApiError` (failure).
pub async fn execute_val<'a, T: serde::de::DeserializeOwned + 'a>(&'a self,
method_id: &'static str, region_platform: &'static str, request: RequestBuilder)
-> Result<T>
{
let rinfo = self.execute_raw(method_id, region_platform, request).await?;
pub async fn execute_val<'a, T: serde::de::DeserializeOwned + 'a>(
&'a self,
method_id: &'static str,
region_platform: &'static str,
request: RequestBuilder,
) -> Result<T> {
let rinfo = self
.execute_raw(method_id, region_platform, request)
.await?;
let retries = rinfo.retries;
let status = rinfo.response.status();
let value = rinfo.response.json::<T>().await;
@ -114,11 +123,15 @@ impl RiotApi {
///
/// # Returns
/// A future resolving to a `Result` containg either an `Option<T>` (success) or a `RiotApiError` (failure).
pub async fn execute_opt<'a, T: serde::de::DeserializeOwned + 'a>(&'a self,
method_id: &'static str, region_platform: &'static str, request: RequestBuilder)
-> Result<Option<T>>
{
let rinfo = self.execute_raw(method_id, region_platform, request).await?;
pub async fn execute_opt<'a, T: serde::de::DeserializeOwned + 'a>(
&'a self,
method_id: &'static str,
region_platform: &'static str,
request: RequestBuilder,
) -> Result<Option<T>> {
let rinfo = self
.execute_raw(method_id, region_platform, request)
.await?;
if rinfo.status_none {
return Ok(None);
}
@ -139,14 +152,20 @@ impl RiotApi {
///
/// # Returns
/// A future resolving to a `Result` containg either `()` (success) or a `RiotApiError` (failure).
pub async fn execute(&self,
method_id: &'static str, region_platform: &'static str, request: RequestBuilder)
-> Result<()>
{
let rinfo = self.execute_raw(method_id, region_platform, request).await?;
pub async fn execute(
&self,
method_id: &'static str,
region_platform: &'static str,
request: RequestBuilder,
) -> Result<()> {
let rinfo = self
.execute_raw(method_id, region_platform, request)
.await?;
let retries = rinfo.retries;
let status = rinfo.response.status();
rinfo.response.error_for_status()
rinfo
.response
.error_for_status()
.map(|_| ())
.map_err(|e| RiotApiError::new(e, retries, None, Some(status)))
}
@ -164,17 +183,24 @@ impl RiotApi {
///
/// # Returns
/// A future resolving to a `Result` containg either a `ResponseInfo` (success) or a `RiotApiError` (failure).
pub fn execute_raw(&self, method_id: &'static str, region_platform: &'static str, request: RequestBuilder)
-> impl Future<Output = Result<ResponseInfo>> + '_
{
pub fn execute_raw(
&self,
method_id: &'static str,
region_platform: &'static str,
request: RequestBuilder,
) -> impl Future<Output = Result<ResponseInfo>> + '_ {
self.regional_requester(region_platform)
.execute(&self.config, method_id, request)
}
/// Get or create the RegionalRequester for the given region.
fn regional_requester(&self, region_platform: &'static str) -> Arc<RegionalRequester> {
self.regional_requesters.get_or_insert_with(region_platform, || {
log::debug!("Creating requester for region platform {}.", region_platform);
self.regional_requesters
.get_or_insert_with(region_platform, || {
log::debug!(
"Creating requester for region platform {}.",
region_platform
);
RegionalRequester::new()
})
}

12
riven/src/util/insert_only_chashmap.rs
View file

@ -13,7 +13,7 @@ impl<K: Hash + Eq, V> InsertOnlyCHashMap<K, V> {
#[inline]
pub fn new() -> Self {
Self {
base: Mutex::new(HashMap::new())
base: Mutex::new(HashMap::new()),
}
}
@ -27,10 +27,12 @@ impl<K: Hash + Eq, V> InsertOnlyCHashMap<K, V> {
// }
#[inline]
pub fn get_or_insert_with<F: FnOnce() -> V>(&self, key: K, default: F) -> Arc<V>
{
Arc::clone(self.base.lock()
pub fn get_or_insert_with<F: FnOnce() -> V>(&self, key: K, default: F) -> Arc<V> {
Arc::clone(
self.base
.lock()
.entry(key)
.or_insert_with(|| Arc::new(default())))
.or_insert_with(|| Arc::new(default())),
)
}
}

1
riven/tests/tests_americas.rs
View file

@ -18,7 +18,6 @@ static MATCHES: &[&str] = &[
"NA1_4052515784",
"NA1_4062578191",
"NA1_4097036960",
// New games with `match-v5.ParticipantDto.challenges` field.
"NA1_4209556127",
"NA1_4212715433",

7
riven/tests/tests_na.rs
View file

@ -13,7 +13,12 @@ use riven::models::summoner_v4::*;
fn validate_summoners(s1: Summoner, s2: Summoner) -> Result<(), String> {
rassert_eq!(s1.name, s2.name, "Names didn't match {}.", "");
rassert_eq!(s1.id, s2.id, "SummonerId didn't match {}.", "");
rassert_eq!(s1.account_id, s2.account_id, "AccountId didn't match {}.", "");
rassert_eq!(
s1.account_id,
s2.account_id,
"AccountId didn't match {}.",
""
);
Ok(())
}

1
riven/tests/tests_tr.rs
View file

@ -12,7 +12,6 @@ use riven::models::summoner_v4::Summoner;
const ROUTE: PlatformRoute = PlatformRoute::TR1;
async_tests! {
my_runner {
league_summoner_bulk_test: async {