The Thrill of NHL Preseason in the USA
The NHL preseason is a period filled with excitement, anticipation, and strategic gameplay. As teams prepare for the upcoming regular season, fans across the USA eagerly await the return of their favorite ice hockey stars. This period is not just about the games; it's a showcase of emerging talents, strategic adjustments, and a glimpse into the future of each team. For enthusiasts and bettors alike, the preseason offers a unique opportunity to engage with the sport on multiple levels.
Every day, new matches are added to the schedule, providing fresh content and thrilling moments for fans. With expert betting predictions available, fans can enhance their viewing experience by engaging in friendly wagers and discussions. This dynamic environment makes the NHL preseason a must-watch event for anyone passionate about ice hockey.
Understanding NHL Preseason Matches
NHL preseason matches serve several purposes beyond mere entertainment. They allow teams to evaluate new players, test different line combinations, and give less experienced players a chance to prove themselves. Coaches use this time to experiment with strategies and build team chemistry, setting the stage for a successful regular season.
For fans, these games offer a chance to see their favorite players in action without the high stakes of regular-season play. It's an opportunity to witness potential breakout stars and see how new acquisitions fit into their teams. The relaxed atmosphere of preseason games often leads to more open play and exciting moments that can captivate even the most casual viewers.
Daily Updates and Fresh Matches
One of the most exciting aspects of following the NHL preseason is the daily influx of new matches. Each day brings fresh opportunities for fans to engage with the sport, whether they're watching live games or catching up on highlights later. This constant stream of content ensures that there's always something new to look forward to, keeping fans engaged throughout the preseason period.
- Live Streaming: Many platforms offer live streaming options for preseason games, allowing fans to watch from anywhere in the world.
- Highlights: For those who can't watch live, highlight reels provide a quick way to catch up on the day's most exciting moments.
- Analysis: Expert analysis and commentary are available to help fans understand the nuances of each game and make informed predictions.
Expert Betting Predictions
Betting on NHL preseason games adds an extra layer of excitement for many fans. While these games don't carry the same weight as regular-season matches, they still offer intriguing betting opportunities. Expert predictions can guide bettors in making informed decisions, increasing their chances of success.
- Player Performance: Experts analyze player performance trends to predict who might have standout games.
- Team Strategies: Understanding team strategies can provide insights into potential game outcomes.
- Betting Odds: Keeping an eye on betting odds helps bettors identify value bets and make strategic wagers.
Engaging with Preseason Content
Engaging with NHL preseason content goes beyond just watching games. Fans can participate in various activities that enhance their experience:
- Social Media Discussions: Join online communities and social media groups to discuss games, share opinions, and connect with other fans.
- Predictions and Polls: Participate in predictions and polls to test your knowledge against other fans and experts.
- Betting Forums: Engage in forums dedicated to sports betting to share tips, strategies, and experiences with fellow bettors.
The Role of Analytics in Preseason Games
Analytics play a crucial role in understanding preseason games. Teams use data-driven insights to evaluate player performance, assess strategies, and make informed decisions about roster changes. For fans, analytics provide a deeper understanding of the game and help identify key trends and patterns.
- Corsi and Fenwick Metrics: These metrics measure shot attempts and provide insights into puck possession and offensive pressure.
- Zone Starts: Analyzing zone starts helps determine how teams are using their players in different situations.
- Expected Goals (xG): This metric estimates the quality of scoring chances, offering a more nuanced view of offensive performance.
Fresh Talent on Display
The NHL preseason is an excellent opportunity for fresh talent to shine. Young players from junior leagues, college teams, and international competitions get a chance to prove themselves on a larger stage. Fans can discover future stars who might become key players for their favorite teams in seasons to come.
- Rookies: Watch out for rookies who are eager to make an impact and secure a spot on their team's roster.
- Veteran Returns: Veterans returning from injury or suspension often use preseason games to regain form and confidence.
- New Signings: Keep an eye on new signings as they integrate into their teams and adapt to new systems.
The Strategic Importance of Preseason Games
While preseason games may not count towards regular-season standings, they hold significant strategic importance for NHL teams. Coaches use this time to experiment with line combinations, test new systems, and evaluate player performance under game conditions. The insights gained during this period can shape team strategies for the rest of the season.
- Tactical Adjustments: Teams make tactical adjustments based on opponent analysis and internal assessments.
- Injury Management: Managing player workloads during preseason helps prevent injuries during the grueling regular season.
- Mental Preparation: Preseason games help players mentally prepare for the demands of a full NHL season.
Betting Strategies for Preseason Games
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
use crate::models::{ActionMessageResponseBody};
use crate::utils::models::TelemetryContext;
use async_trait::async_trait;
use futures::stream::StreamExt;
use std::sync::Arc;
use tokio_stream::wrappers::ReceiverStream;
use uuid::Uuid;
#[derive(Debug)]
pub struct ActionMessageResponse {
pub message: ActionMessageResponseBody,
}
#[derive(Debug)]
pub struct ActionMessageRequest {
pub id: Uuid,
pub message: String,
}
pub trait ActionMessageChannel {
async fn send(&mut self) -> Result<(), Box>;
}
pub struct ActionMessageChannelImpl(
pub Arc,
);
#[async_trait]
impl ActionMessageChannel
for ActionMessageChannelImpl{
async fn send(&mut self) -> Result<(), Box> {
let mut stream = ReceiverStream::new(self.0.receiver());
while let Some(response) = stream.next().await {
let response = response?;
let message = serde_json::from_str::(&response.message)?;
println!("Received message: {}", message);
}
Ok(())
}
}
#[async_trait]
pub trait ActionMessageSender {
fn receiver(&self) -> tokio::sync::mpsc::Receiver;
}
#[async_trait]
pub trait MessageReceiver: Send+Sync+'static {
fn receive(&mut self) -> T;
}
<|file_sep|>// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
use crate::{azure_sdk_types::{AzureSdkTypes}, models::{TelemetryContext}, utils::{context_utils::*, telemetry_utils::*}};
use async_trait::async_trait;
use azure_core::{
credential::{TokenCredential},
};
use azure_identity::{
ClientSecretCredential,
};
use chrono::{Utc};
use futures::{
self,
future::{
self,
TryFutureExt,
TryStreamExt,
},
stream::{
self,
StreamExt,
},
TryFuture,
};
use log::*;
use std::{
collections::{
HashMap,
HashSet,
},
error::{Error},
iter::{
once,
Iterator,
},
sync::{
Arc,
Mutex,
},
time::{
Duration,
Instant,
},
};
use tokio::{
sync::{
mpsc::{channel as tokio_channel},
time as tokio_time,
},
task::{self},
};
use uuid::Uuid;
const DEFAULT_REQUEST_RETRY_DELAY_SECS: u64 = 5;
const DEFAULT_REQUEST_RETRY_ATTEMPTS: u8 = 3;
const DEFAULT_REPORTING_INTERVAL_SECS: u64 = 10;
const DEFAULT_TELEMETRY_FLUSH_INTERVAL_SECS: u64 = 10;
/// Manages sending telemetry events from clients.
///
/// Note that only one instance per process should be created.
pub struct TelemetryManager {
/// The client secret credential used when authenticating with Azure.
credential: Arc,
/// The client ID used when authenticating with Azure.
client_id: String,
/// The tenant ID used when authenticating with Azure.
tenant_id: String,
/// The client secret used when authenticating with Azure.
client_secret: String,
/// The instrumentation key used when sending telemetry events.
instrumentation_key: String,
/// Whether or not this instance is currently enabled.
enabled: bool,
/// A set containing all telemetry events that have been sent since initialization.
sent_events: HashSet,
/// A queue containing all telemetry events that are waiting for transmission.
event_queue: Mutex>>,
/// A queue containing all telemetry events that need be sent again because they failed transmission previously.
retry_queue: Mutex>>,
/// The channel used for receiving telemetry events from clients.
input_sender: mpsc::Sender>,
/// The channel used for sending telemetry events from clients.
output_receiver: mpsc::Receiver>,
/// The current reporting interval (in seconds).
reporting_interval_secs: u64,
/// The current telemetry flush interval (in seconds).
flush_interval_secs: u64,
/// A task that handles sending queued telemetry events.
reporting_task_handle: Option>,
/// A task that handles flushing queued telemetry events periodically.
flushing_task_handle: Option>,
}
impl TelemetryManager {
pub fn new(
client_id: String,
tenant_id: String,
client_secret: String,
instrumentation_key: String
) -> Self {
Self {
credential: Arc::new(ClientSecretCredential::new(tenant_id.clone(), client_id.clone(), client_secret.clone())),
client_id,
client_secret,
tenant_id,
instrumentation_key,
enabled: true,
sent_events: HashSet::::new(),
event_queue: Mutex::>>::new(VecDeque::>::new()),
retry_queue: Mutex::>>::new(VecDeque::>::new()),
input_sender: mpsc::>::channel(10000).0,
output_receiver: mpsc::>::channel(10000).1,
reporting_interval_secs: DEFAULT_REPORTING_INTERVAL_SECS,
flush_interval_secs: DEFAULT_TELEMETRY_FLUSH_INTERVAL_SECS,
reporting_task_handle: None,
flushing_task_handle: None
}
}
pub fn get_reporter(&mut self) -> impl Stream- >{
let (sender,_receiver) = tokio_channel::>(1000);
stream!{
loop{
yield self.output_receiver.recv().await.expect("Failed receiving event");
}
}.select(sender.map(|event| event.expect("Failed sending event")))
.filter_map(|event| async move { match event { Some(event) => Some(event), None => None } })
.filter(|event| match &self.enabled { true => true,false => false })
.map(|event| Arc::::clone(event))
.for_each(|event| async move { self.event_queue.lock().unwrap().push_back(event); })
.boxed()
//stream!{
//loop{
//match self.output_receiver.recv().await{
//Ok(event) => yield event.expect("Failed receiving event"),
//Err(error) => return Err(error)
//}
//}
//}
}
pub fn get_flusher(&mut self) -> impl Stream
- {
stream!{
loop{
tokio_time::sleep(Duration::from_secs(self.flush_interval_secs)).await;
match self.flush(){
Ok(_) => {}
Err(error) => error!("Failed flushing telemetry events - {}", error),
};
}
}.boxed()
}
pub fn get_retryer(&mut self) -> impl Stream
- {
stream!{
loop{
match self.retry(){
Ok(_) => {}
Err(error) => error!("Failed retrying failed telemetry events - {}", error),
};
tokio_time::sleep(Duration::from_secs(self.reporting_interval_secs)).await;
}
}.boxed()
}
pub async fn enable(&mut self){
if !self.enabled{
debug!("Enabling TelemetryManager");
self.enabled = true;
if let Some(handle) = &self.reporting_task_handle {
handle.abort();
}
if let Some(handle) = &self.flushing_task_handle {
handle.abort();
}
let (sender,_receiver) = tokio_channel::>(1000);
let reporting_interval_secs = self.reporting_interval_secs;
let input_sender_clone = self.input_sender.clone();
let output_receiver_clone = self.output_receiver.clone();
let reporting_task_handle = task!(async move {
Self::_report_loop(sender,input_sender_clone,output_receiver_clone).await.unwrap();
});
let flushing_task_handle = task!(async move {
Self::_flush_loop(self).await.unwrap();
});
self.reporting_task_handle.replace(reporting_task_handle);
self.flushing_task_handle.replace(flushing_task_handle);
} else {
warn!("TelemetryManager is already enabled.");
}
}
pub async fn disable(&mut self){
if self.enabled{
debug!("Disabling TelemetryManager");
self.enabled = false;
if let Some(handle) = &self.reporting_task_handle {
handle.abort();
}
if let Some(handle) = &self.flushing_task_handle {
handle.abort();
}
while !self.event_queue.lock().unwrap().is_empty(){
warn!("Waiting until all queued telemetry events have been sent before disabling.");
tokio_time::sleep(Duration::from_secs(1)).await;
}
while !self.retry_queue.lock().unwrap().is_empty(){
warn!("Waiting until all queued failed telemetry events have been retried before disabling.");
tokio_time::sleep(Duration::from_secs(1)).await;
}
info!("Successfully disabled TelemetryManager.");
} else {
warn!("TelemetryManager is already disabled.");
}
}
async fn _report_loop(
sender : mpsc::>::Sender>,
input_sender : mpsc::>::Sender>,
mut output_receiver : mpsc::>::Receiver>
) -> Result<(), Box>{
debug!("Starting _report_loop");
while true{
futures_util::_stream::_select!{
Some(event_opt)=output_receiver.recv() =>{
match event_opt{
Ok(event)=>{
sender.send(Arc::::clone(event)).await?;
},
Err(error)=>{
error!("Failed receiving telemetry event - {}", error);
},
};
},
_=tokio_time::_now_or_steady()+(Duration{secs:self.reporting_interval_secs} as _) =>{
match Self::_send_queued_events(sender){
Ok(_) => {},
Err(error)=>{
error!("Failed sending queued telemetry events - {}", error);
},
};
},
};
tokio_time::_sleep(Duration{secs:self.reporting_interval_secs} as _).await?;
}
}
async fn _flush_loop(self : &Self) -> Result<(), Box>{
debug!("Starting _flush_loop");
while true{
tokio_time::_sleep(Duration{secs:self.flush_interval_secs} as _).await?;
match Self::_flush_queued_events(self){
Ok(_) => {},
Err(error)=>{
error!("Failed flushing queued telemetry events - {}", error);
},
};
}
}
pub async fn report_event(&mut self,event : Arc) -> Result<(), Box>{
debug!("Reporting telemetry event");
match Self::_report_event(event){
Ok(_) => {},
Err(error)=>{
error!("Failed reporting telemetry event - {}", error);
},
};
Ok(())
}
pub async fn retry_failed_events(&mut self){
debug!("Retrying failed telemetry events");
match Self::_retry_failed_events(){
Ok(_) => {},
Err(error)=>{
error!("Failed retrying failed telemetry events - {}", error);
},
};
}
pub fn flush_queued_events(&mut self){
debug!("Flushing queued telemetry events");
match Self::_flush_queued_events(self){
Ok(_) => {},
Err(error)=>{
error!("Failed flushing queued telemetry events - {}", error);
