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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| use crate::messenger::configuration::MessengerConfig; | ||
| use crate::services::general::GENERAL_SERVICE_NAME; | ||
| use std::fmt::Debug; | ||
| use std::time::Duration; | ||
| use tokio::sync::mpsc::{self, error::TrySendError, Receiver, Sender as TokioSender}; | ||
| use tracing::Level; | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct Notification { | ||
| pub(crate) message: String, | ||
| pub(crate) level: Level, | ||
| } | ||
|
|
||
| impl Notification { | ||
| pub(crate) fn new(message: String, level: Level) -> Self { | ||
| Self { message, level } | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Clone)] | ||
| pub struct Sender { | ||
| tx: TokioSender<Notification>, | ||
| service: &'static str, | ||
| } | ||
|
|
||
| impl Sender { | ||
| pub fn new(tx: TokioSender<Notification>, service: &'static str) -> Self { | ||
| Self { tx, service } | ||
| } | ||
|
|
||
| pub async fn send(&self, notification: Notification) { | ||
| if self.tx.send(notification).await.is_err() { | ||
| panic!( | ||
| "failed to send notification - `{}` service doesn't accept notifications", | ||
| self.service | ||
| ); | ||
| } | ||
| } | ||
|
|
||
| pub fn send_nonblock(&self, notification: Notification) { | ||
| match self.tx.try_send(notification) { | ||
| Err(TrySendError::Closed(_)) => { | ||
| panic!( | ||
| "failed to send notification - `{}` service doesn't accept notifications", | ||
| self.service | ||
| ) | ||
| } | ||
| Err(TrySendError::Full(n)) => { | ||
| tracing::error!( | ||
| "failed to send notification {:?} - `{}` service notifications queue is full", | ||
| n, | ||
| self.service | ||
| ); | ||
| } | ||
| Ok(_) => (), | ||
| } | ||
| } | ||
|
|
||
| pub async fn info(&self, message: String) { | ||
| let notification = Notification::new(message, Level::INFO); | ||
| self.send(notification).await | ||
| } | ||
|
|
||
| pub fn try_info(&self, message: String) { | ||
| let notification = Notification::new(message, Level::INFO); | ||
| self.send_nonblock(notification) | ||
| } | ||
|
|
||
| pub async fn warn(&self, message: String) { | ||
| let notification = Notification::new(message, Level::WARN); | ||
| self.send(notification).await | ||
| } | ||
|
|
||
| pub fn try_warn(&self, message: String) { | ||
| let notification = Notification::new(message, Level::WARN); | ||
| self.send_nonblock(notification) | ||
| } | ||
|
|
||
| pub async fn error(&self, message: String) { | ||
| let notification = Notification::new(message, Level::ERROR); | ||
| self.send(notification).await | ||
| } | ||
|
|
||
| pub fn try_error(&self, message: String) { | ||
| let notification = Notification::new(message, Level::ERROR); | ||
| self.send_nonblock(notification) | ||
| } | ||
|
|
||
| pub async fn fatal(&self, message: String) { | ||
| let notification = Notification::new(message, Level::ERROR); | ||
| self.send(notification).await; | ||
| // for fatal errors we need some time to send error | ||
| // It is more important to notify user via messenger than to | ||
| // restart quickly because restart doesn't help for recovery | ||
| // user is required to fix a problem | ||
| tokio::time::sleep(Duration::from_millis(500)).await; | ||
| } | ||
| } | ||
|
|
||
| pub(crate) fn setup_messenger_channel(service: &'static str) -> (Sender, Receiver<Notification>) { | ||
| let (tx, rx) = mpsc::channel(60); // 60 simultaneous messages is enough for any rate limiting messenger | ||
| let tx = Sender::new(tx, service); | ||
| (tx, rx) | ||
| } | ||
|
|
||
| pub fn setup_general_messenger_channel() -> (Sender, Receiver<Notification>) { | ||
| setup_messenger_channel(GENERAL_SERVICE_NAME) | ||
| } | ||
|
|
||
| #[derive(Debug)] | ||
| pub(crate) struct MessengerApi { | ||
| pub(crate) config: MessengerConfig, | ||
| pub(crate) message_tx: Sender, | ||
| pub(crate) message_rx: Option<Receiver<Notification>>, | ||
| } | ||
|
|
||
| impl MessengerApi { | ||
| pub(crate) fn new(config: MessengerConfig, service: &'static str) -> Self { | ||
| let (message_tx, message_rx) = setup_messenger_channel(service); | ||
| Self { | ||
| config, | ||
| message_tx, | ||
| message_rx: Some(message_rx), | ||
| } | ||
| } | ||
| } |
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