feat: new protocol and server implementation

This commit is contained in:
Ahmet Kaan Gümüş 2025-06-11 17:48:15 +03:00
parent d6e5389743
commit 51c29f7921
11 changed files with 445 additions and 198 deletions

183
Cargo.lock generated
View file

@ -428,6 +428,26 @@ dependencies = [
"windows-targets 0.52.6",
]
[[package]]
name = "bincode"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "36eaf5d7b090263e8150820482d5d93cd964a81e4019913c972f4edcc6edb740"
dependencies = [
"bincode_derive",
"serde",
"unty",
]
[[package]]
name = "bincode_derive"
version = "2.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bf95709a440f45e986983918d0e8a1f30a9b1df04918fc828670606804ac3c09"
dependencies = [
"virtue",
]
[[package]]
name = "bindgen"
version = "0.69.5"
@ -661,11 +681,10 @@ version = "0.1.0"
dependencies = [
"chrono",
"cpal",
"fixed-resample",
"iced",
"protocol",
"s2n-quic",
"serde",
"serde_json",
"tokio",
]
@ -1154,6 +1173,12 @@ dependencies = [
"pin-project-lite",
]
[[package]]
name = "fast-interleave"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a7e05e2b3c97d4516fa5c177133f3e4decf9c8318841e1545b260535311e3a5"
[[package]]
name = "fastrand"
version = "2.3.0"
@ -1169,6 +1194,18 @@ dependencies = [
"simd-adler32",
]
[[package]]
name = "fixed-resample"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "39a267bc40fae9b208e2a67a99a8d794caf3a9fe1146d01c147f59bd96257a74"
dependencies = [
"arrayvec",
"fast-interleave",
"ringbuf",
"rubato",
]
[[package]]
name = "flate2"
version = "1.1.1"
@ -1502,7 +1539,7 @@ dependencies = [
"log",
"presser",
"thiserror 1.0.69",
"windows 0.54.0",
"windows 0.58.0",
]
[[package]]
@ -1950,12 +1987,6 @@ dependencies = [
"either",
]
[[package]]
name = "itoa"
version = "1.0.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
[[package]]
name = "jni"
version = "0.21.1"
@ -2325,6 +2356,15 @@ dependencies = [
"minimal-lexical",
]
[[package]]
name = "num-complex"
version = "0.4.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "73f88a1307638156682bada9d7604135552957b7818057dcef22705b4d509495"
dependencies = [
"num-traits",
]
[[package]]
name = "num-derive"
version = "0.4.2"
@ -2801,6 +2841,21 @@ dependencies = [
"windows-sys 0.59.0",
]
[[package]]
name = "portable-atomic"
version = "1.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f84267b20a16ea918e43c6a88433c2d54fa145c92a811b5b047ccbe153674483"
[[package]]
name = "portable-atomic-util"
version = "0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d8a2f0d8d040d7848a709caf78912debcc3f33ee4b3cac47d73d1e1069e83507"
dependencies = [
"portable-atomic",
]
[[package]]
name = "potential_utf"
version = "0.1.2"
@ -2835,6 +2890,15 @@ dependencies = [
"syn",
]
[[package]]
name = "primal-check"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dc0d895b311e3af9902528fbb8f928688abbd95872819320517cc24ca6b2bd08"
dependencies = [
"num-integer",
]
[[package]]
name = "proc-macro-crate"
version = "3.3.0"
@ -2863,8 +2927,8 @@ checksum = "afbdc74edc00b6f6a218ca6a5364d6226a259d4b8ea1af4a0ea063f27e179f4d"
name = "protocol"
version = "0.1.0"
dependencies = [
"bincode",
"chrono",
"serde",
]
[[package]]
@ -3019,6 +3083,15 @@ dependencies = [
"font-types",
]
[[package]]
name = "realfft"
version = "3.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "390252372b7f2aac8360fc5e72eba10136b166d6faeed97e6d0c8324eb99b2b1"
dependencies = [
"rustfft",
]
[[package]]
name = "redox_syscall"
version = "0.4.1"
@ -3086,12 +3159,35 @@ dependencies = [
"windows-sys 0.52.0",
]
[[package]]
name = "ringbuf"
version = "0.4.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fe47b720588c8702e34b5979cb3271a8b1842c7cb6f57408efa70c779363488c"
dependencies = [
"crossbeam-utils",
"portable-atomic",
"portable-atomic-util",
]
[[package]]
name = "roxmltree"
version = "0.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c20b6793b5c2fa6553b250154b78d6d0db37e72700ae35fad9387a46f487c97"
[[package]]
name = "rubato"
version = "0.16.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5258099699851cfd0082aeb645feb9c084d9a5e1f1b8d5372086b989fc5e56a1"
dependencies = [
"num-complex",
"num-integer",
"num-traits",
"realfft",
]
[[package]]
name = "rustc-demangle"
version = "0.1.24"
@ -3110,6 +3206,21 @@ version = "2.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
[[package]]
name = "rustfft"
version = "6.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f266ff9b0cfc79de11fd5af76a2bc672fe3ace10c96fa06456740fa70cb1ed49"
dependencies = [
"num-complex",
"num-integer",
"num-traits",
"primal-check",
"strength_reduce",
"transpose",
"version_check",
]
[[package]]
name = "rustix"
version = "0.38.44"
@ -3133,7 +3244,7 @@ dependencies = [
"errno",
"libc",
"linux-raw-sys 0.9.4",
"windows-sys 0.52.0",
"windows-sys 0.59.0",
]
[[package]]
@ -3204,12 +3315,6 @@ dependencies = [
"unicode-script",
]
[[package]]
name = "ryu"
version = "1.0.20"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
[[package]]
name = "s2n-codec"
version = "0.58.0"
@ -3436,18 +3541,6 @@ dependencies = [
"syn",
]
[[package]]
name = "serde_json"
version = "1.0.140"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
dependencies = [
"itoa",
"memchr",
"ryu",
"serde",
]
[[package]]
name = "serde_repr"
version = "0.1.20"
@ -3466,8 +3559,6 @@ dependencies = [
"chrono",
"protocol",
"s2n-quic",
"serde",
"serde_json",
"tokio",
]
@ -3640,6 +3731,12 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
[[package]]
name = "strength_reduce"
version = "0.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fe895eb47f22e2ddd4dabc02bce419d2e643c8e3b585c78158b349195bc24d82"
[[package]]
name = "strict-num"
version = "0.1.1"
@ -3732,7 +3829,7 @@ dependencies = [
"getrandom 0.3.3",
"once_cell",
"rustix 1.0.7",
"windows-sys 0.52.0",
"windows-sys 0.59.0",
]
[[package]]
@ -3925,6 +4022,16 @@ dependencies = [
"once_cell",
]
[[package]]
name = "transpose"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ad61aed86bc3faea4300c7aee358b4c6d0c8d6ccc36524c96e4c92ccf26e77e"
dependencies = [
"num-integer",
"strength_reduce",
]
[[package]]
name = "ttf-parser"
version = "0.20.0"
@ -4026,6 +4133,12 @@ version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
[[package]]
name = "unty"
version = "0.0.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6d49784317cd0d1ee7ec5c716dd598ec5b4483ea832a2dced265471cc0f690ae"
[[package]]
name = "url"
version = "2.5.4"
@ -4056,6 +4169,12 @@ version = "0.9.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
[[package]]
name = "virtue"
version = "0.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "051eb1abcf10076295e815102942cc58f9d5e3b4560e46e53c21e8ff6f3af7b1"
[[package]]
name = "walkdir"
version = "2.5.0"

View file

@ -6,7 +6,8 @@ members = [
[workspace.dependencies]
chrono = { version = "0.4.41", features = ["serde"] }
serde = { version = "1.0.219", features = ["derive"] }
serde_json = "1.0.140"
# serde = { version = "1.0.219", features = ["derive"] }
# serde_json = "1.0.140"
tokio = { version = "1.45.0", features = ["full"] }
s2n-quic = "1.58.0"
bincode = "2.0.1"

View file

@ -5,10 +5,9 @@ edition = "2024"
[dependencies]
protocol = { path = "../protocol" }
serde = { workspace = true }
serde_json = { workspace = true }
chrono = { workspace = true }
tokio = { workspace = true }
s2n-quic = { workspace = true }
cpal = "0.15.3"
iced = { features = ["tokio"], git = "https://github.com/iced-rs/iced", rev = "d39022432c778a8cda455f40b9c12245db86ce45" }
fixed-resample = "0.8.0"

View file

@ -3,7 +3,7 @@ pub mod stream;
pub mod voice;
const MICROPHONE_BUFFER_LENGHT: usize = 1024 * 4;
const SPEAKER_BUFFER_LENGHT: usize = 1024 * 16 * 4;
const SPEAKER_BUFFER_LENGHT: usize = 1024 * 16 * 16;
#[derive(Debug)]
pub struct ClientConfig {

View file

@ -1,6 +1,6 @@
use std::{net::SocketAddr, path::Path, sync::Arc};
use protocol::Error;
use protocol::{Error, NETWORK_BUFFER_LENGTH, Signal, SignalType, SignedAudioDatum};
use s2n_quic::{
Client,
client::Connect,
@ -16,8 +16,8 @@ use crate::ClientConfig;
#[derive(Debug)]
pub struct ConnectReturn {
send_audio_task: JoinHandle<()>,
receive_audio_task: JoinHandle<()>,
send_signals_task: JoinHandle<()>,
receive_signals_task: JoinHandle<()>,
}
pub async fn connect(
@ -58,13 +58,15 @@ pub async fn connect(
.map_err(|err_val| Error::ConnectionSetup(err_val.to_string()))?;
let (receive_stream, send_stream) = stream.split();
let ready_signal = broadcast::channel(3);
let receive_audio_task = tokio::spawn(receive_audio_data(receive_stream, speaker_sender));
let send_audio_task = tokio::spawn(send_audio_data(send_stream, microphone_receiver));
let send_signals_task = tokio::spawn(send_signals(send_stream, microphone_receiver));
let speaker_clone = speaker_sender.clone();
let receive_signals_task = tokio::spawn(receive_signals(receive_stream, speaker_sender));
Ok(ConnectReturn {
send_audio_task,
receive_audio_task,
send_signals_task,
receive_signals_task,
})
}
@ -81,49 +83,57 @@ pub async fn disconnect_watcher(
println!("Going to Disconnect");
connect_return.send_audio_task.abort();
connect_return.receive_audio_task.abort();
connect_return.send_signals_task.abort();
connect_return.receive_signals_task.abort();
println!("Disconnected");
}
async fn send_audio_data(
async fn send_signals(
mut send_stream: SendStream,
old_microphone_receiver: broadcast::Receiver<f32>,
mut microphone_receiver: broadcast::Receiver<f32>,
) {
let mut microphone_receiver = old_microphone_receiver.resubscribe();
drop(old_microphone_receiver);
loop {
match microphone_receiver.recv().await {
Ok(microphone_data) => {
if let Err(err_val) = send_stream.write_f32(microphone_data).await {
eprintln!("Error: Send Microphone Data | Remote | {}", err_val);
todo!("GUI Status: Disconnect");
// break;
Ok(audio_datum) => {
if let Err(err_val) = send_stream.write_f32(audio_datum).await {
eprintln!("Error: Send Audio Datum | Remote | {}", err_val);
return;
}
}
Err(err_val) => {
eprintln!("Error: Receive from Microphone | Local | {}", err_val);
match err_val {
broadcast::error::RecvError::Closed => break,
broadcast::error::RecvError::Lagged(_) => {
microphone_receiver = microphone_receiver.resubscribe()
}
}
eprintln!("Error: Receive Audio Datum | Local | {}", err_val);
return;
}
}
}
}
async fn receive_audio_data(
async fn receive_signals(
mut receive_stream: ReceiveStream,
speaker_sender: Arc<broadcast::Sender<f32>>,
speaker_sender: Arc<broadcast::Sender<SignedAudioDatum>>,
) {
let mut network_buffer = [0; NETWORK_BUFFER_LENGTH];
loop {
match receive_stream.read_f32().await {
Ok(received_data) => {
// todo: error only happens if there is no receiver, think about it
let _ = speaker_sender.send(received_data);
}
match receive_stream.read_exact(&mut network_buffer).await {
Ok(_) => match Signal::unpack_signal(&network_buffer) {
Ok(received_signal) => match received_signal.signal_type {
SignalType::AudioDatum => match received_signal.unpack_audio() {
Ok(signed_audio_datum) => {
let _ = speaker_sender.send(signed_audio_datum);
}
Err(err_val) => {
eprintln!("Error: Unpack Audio | {}", err_val);
println!("Warning: Illegal Operation");
return;
}
},
SignalType::SpeakerLeft => todo!(),
},
Err(err_val) => {
eprintln!("Error: Unpack Signal | {}", err_val);
}
},
Err(err_val) => {
eprintln!("Error: Receive Audio Data | Remote | {}", err_val);
todo!("GUI Status Disconnect");

View file

@ -72,25 +72,22 @@ pub async fn play(
let output = move |data: &mut [f32], _: &cpal::OutputCallbackInfo| {
for sample in data {
if play_receiver.len() > 0 {
match play_receiver.blocking_recv() {
Ok(received_sample) => *sample = received_sample,
Err(err_val) => match err_val {
broadcast::error::RecvError::Closed => {
eprintln!("Error: Speaker Receive | Local Channel | Channel Closed");
return;
}
broadcast::error::RecvError::Lagged(lag_amount) => {
eprintln!(
"Error: Speaker Receive | Local Channel | Lagging by -> {}",
lag_amount
);
play_receiver = play_receiver.resubscribe();
}
},
}
} else {
*sample = 0.0
match play_receiver.try_recv() {
Ok(received_sample) => *sample = received_sample,
Err(err_val) => match err_val {
broadcast::error::TryRecvError::Empty => *sample = 0.0,
broadcast::error::TryRecvError::Closed => {
eprintln!("Error: Speaker Receive | Local Channel | Channel Closed");
return;
}
broadcast::error::TryRecvError::Lagged(lag_amount) => {
eprintln!(
"Error: Speaker Receive | Local Channel | Lagging by -> {}",
lag_amount
);
play_receiver = play_receiver.resubscribe();
}
},
}
}
};

View file

@ -4,5 +4,7 @@ version = "0.1.0"
edition = "2024"
[dependencies]
serde = { workspace = true }
# serde = { workspace = true }
# serde_json = { workspace = true }
chrono = { workspace = true }
bincode = { workspace = true }

View file

@ -5,9 +5,9 @@ use std::{
io::Read,
};
use serde::{Deserialize, Serialize};
pub mod protocol;
#[derive(Debug, Clone, Serialize, Deserialize)]
#[derive(Debug, Clone)]
pub enum Error {
ConnectionSetup(String),
Connection(String),
@ -17,6 +17,9 @@ pub enum Error {
Record(String),
Play(String),
NotSupposeTo(String),
Serialization(String),
Deserialization(String),
UnexpectedSignalType(String),
}
impl std::error::Error for Error {
@ -36,16 +39,20 @@ impl Display for Error {
Error::Record(inner) => write!(f, "Record | {}", inner),
Error::Play(inner) => write!(f, "Play | {}", inner),
Error::NotSupposeTo(inner) => write!(f, "Not Suppose To | {}", inner),
Error::Serialization(inner) => write!(f, "Serialization | {}", inner),
Error::Deserialization(inner) => write!(f, "Deserialization | {}", inner),
Error::UnexpectedSignalType(inner) => write!(f, "Unexpected Signal Type | {}", inner),
}
}
}
#[allow(dead_code)]
#[derive(Debug, Clone)]
struct TOML {
header: String,
fields: HashMap<String, String>,
}
#[allow(dead_code)]
fn naive_toml_parser(file_location: &str) -> TOML {
let mut toml_file = File::open(file_location).unwrap();
let mut toml_ingredients = String::default();

88
protocol/src/protocol.rs Normal file
View file

@ -0,0 +1,88 @@
use bincode::{Decode, Encode};
use crate::Error;
const SIGNAL_DATA_LENGTH: usize = 4;
const NETWORK_DATA_LENGTH: usize = 6;
type SignalBufferReturn = [u8; SIGNAL_DATA_LENGTH];
type NetworkBufferReturn = [u8; NETWORK_DATA_LENGTH];
static BINCODE_CONFIG: bincode::config::Configuration<bincode::config::BigEndian> =
bincode::config::standard().with_big_endian();
#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Encode, Decode)]
pub struct Speaker {
id: u8,
}
impl Speaker {
pub fn new(id: u8) -> Self {
Self { id }
}
pub fn get_id(&self) -> u8 {
self.id
}
}
#[derive(Debug, Encode, Decode)]
pub enum SignalType {
AudioDatum,
SpeakerLeft,
}
#[derive(Debug, Encode, Decode)]
pub struct Signal {
signal_type: SignalType,
speaker: Speaker,
data: [u8; SIGNAL_DATA_LENGTH],
}
impl Signal {
pub fn unpack(data: NetworkBufferReturn) -> Result<Self, Error> {
Ok(bincode::decode_from_slice::<Self, _>(&data, BINCODE_CONFIG)
.map_err(|inner| Error::Deserialization(inner.to_string()))?
.0)
}
fn pack(self) -> NetworkBufferReturn {
let encoded = serialize(self);
assert_eq!(encoded.len(), NETWORK_DATA_LENGTH);
let mut buffer = NetworkBufferReturn::default();
buffer.copy_from_slice(&encoded);
buffer
}
pub fn pack_audio_datum(speaker: Speaker, audio_datum: f32) -> NetworkBufferReturn {
let signal = Self {
signal_type: SignalType::AudioDatum,
speaker,
data: audio_datum.to_be_bytes(),
};
Self::pack(signal)
}
pub fn pack_speaker_left(speaker: Speaker) -> NetworkBufferReturn {
let signal = Self {
signal_type: SignalType::SpeakerLeft,
speaker,
data: SignalBufferReturn::default(),
};
signal.pack()
}
}
fn serialize<E>(value: E) -> Vec<u8>
where
E: bincode::enc::Encode,
{
bincode::encode_to_vec(value, BINCODE_CONFIG)
.map_err(|inner| Error::Serialization(inner.to_string()))
.unwrap()
}

View file

@ -5,8 +5,6 @@ edition = "2024"
[dependencies]
protocol = { path = "../protocol" }
serde = { workspace = true }
serde_json = { workspace = true }
chrono = { workspace = true }
tokio = { workspace = true }
s2n-quic = { workspace = true }

View file

@ -1,62 +1,91 @@
use std::{
path::Path,
sync::{Arc, LazyLock},
time::Duration,
};
use chrono::{DateTime, Utc};
use protocol::protocol::{Signal, Speaker};
use s2n_quic::{
Connection, Server,
stream::{ReceiveStream, SendStream},
};
use tokio::{
io::{AsyncReadExt, AsyncWriteExt},
sync::RwLock,
time::sleep,
sync::{RwLock, broadcast},
};
use crate::ServerConfig;
const BUFFER_LENGTH: usize = 1024 * 13;
#[derive(Debug)]
struct TimedBuffer {
audio_buffer: [f32; BUFFER_LENGTH],
latest_update: DateTime<Utc>,
const NEW_SPEAKER_LENGTH: usize = u8::MAX as usize;
const AUDIO_BUFFER_LENGTH: usize = 1024 * 16 * 16;
#[derive(Debug, Clone, Copy)]
enum SpeakerAction {
Join,
Left,
}
impl TimedBuffer {
fn new() -> Self {
let audio_buffer = [0.0 as f32; BUFFER_LENGTH];
let latest_update = Utc::now();
Self {
audio_buffer,
latest_update,
#[derive(Debug, Clone)]
struct SpeakerWithData {
speaker: Speaker,
speaker_action_sender: broadcast::Sender<(SpeakerWithData, SpeakerAction)>,
audio_data_sender: broadcast::Sender<f32>,
}
impl SpeakerWithData {
async fn new(
speaker: Speaker,
) -> (
broadcast::Receiver<(SpeakerWithData, SpeakerAction)>,
broadcast::Sender<f32>,
) {
let speaker_action_channel = broadcast::channel(NEW_SPEAKER_LENGTH);
let audio_data_sender = broadcast::channel(AUDIO_BUFFER_LENGTH).0;
let speaker_with_data = Self {
speaker,
speaker_action_sender: speaker_action_channel.0,
audio_data_sender: audio_data_sender.clone(),
};
let mut online_speakers = ONLINE_SPEAKERS.write().await;
for online_speaker in online_speakers.iter() {
let _ = speaker_with_data
.speaker_action_sender
.send((online_speaker.clone(), SpeakerAction::Join));
let _ = online_speaker
.speaker_action_sender
.send((speaker_with_data.clone(), SpeakerAction::Join));
}
online_speakers.push(speaker_with_data);
online_speakers.sort_by_key(|speaker| speaker.speaker.get_id());
drop(online_speakers);
(speaker_action_channel.1, audio_data_sender)
}
async fn remove(speaker_id: u8) {
let mut online_speakers = ONLINE_SPEAKERS.write().await;
let speaker_index =
online_speakers.binary_search_by_key(&speaker_id, |speaker| speaker.speaker.get_id());
match speaker_index {
Ok(speaker_index) => {
let speaker = online_speakers.remove(speaker_index);
for online_speaker in online_speakers.iter() {
let _ = online_speaker
.speaker_action_sender
.send((speaker.clone(), SpeakerAction::Left));
}
}
Err(_) => return,
}
}
fn update(&mut self, new_audio_buffer: [f32; BUFFER_LENGTH]) {
self.audio_buffer = new_audio_buffer;
self.latest_update = Utc::now();
}
}
#[derive(Debug)]
struct User {
user_id: u32,
timed_buffer: Arc<RwLock<TimedBuffer>>,
}
impl User {
async fn new(user_id: u32) -> Arc<RwLock<TimedBuffer>> {
let timed_buffer = Arc::new(RwLock::new(TimedBuffer::new()));
let new_user = Self {
user_id,
timed_buffer: timed_buffer.clone(),
};
ONLINE_USERS.write().await.push(new_user);
timed_buffer
}
}
static ONLINE_USERS: LazyLock<RwLock<Vec<User>>> = LazyLock::new(|| vec![].into());
static ONLINE_SPEAKERS: LazyLock<RwLock<Vec<SpeakerWithData>>> = LazyLock::new(|| vec![].into());
pub async fn start(server_config: ServerConfig) {
let mut server = Server::builder()
@ -70,14 +99,22 @@ pub async fn start(server_config: ServerConfig) {
.start()
.unwrap();
let mut user_id = 0;
let mut speaker_id = 0;
while let Some(connection) = server.accept().await {
tokio::spawn(handle_client(user_id, connection));
user_id += 1;
let speaker = Speaker::new(speaker_id);
tokio::spawn(handle_client(speaker, connection));
match speaker_id.checked_add(1) {
Some(next_speaker_id) => speaker_id = next_speaker_id,
None => {
println!("Warning: Room Is Full");
return;
}
}
}
}
async fn handle_client(user_id: u32, mut connection: Connection) {
async fn handle_client(speaker: Speaker, mut connection: Connection) {
println!(
"Server Name = {}",
connection.server_name().unwrap().unwrap().to_string()
@ -95,79 +132,68 @@ async fn handle_client(user_id: u32, mut connection: Connection) {
.unwrap();
let (receive_stream, send_stream) = stream.split();
let user_audio_buffer = User::new(user_id).await;
let speaker_id = speaker.get_id();
let (speaker_action_receiver, audio_data_sender) = SpeakerWithData::new(speaker).await;
tokio::spawn(receiver_audio_data(receive_stream, user_audio_buffer));
tokio::spawn(send_audio_data(user_id, send_stream));
tokio::spawn(receive_audio_data(
receive_stream,
speaker_id,
audio_data_sender,
));
tokio::spawn(send_audio_data(
send_stream,
speaker_id,
speaker_action_receiver,
));
}
async fn mixer(user_id: u32, latest_update: DateTime<Utc>) -> Option<[f32; BUFFER_LENGTH]> {
let mut mixed_audio_buffer = [0.0 as f32; BUFFER_LENGTH];
for online_user in ONLINE_USERS.read().await.iter() {
let online_user_timed_buffer = online_user.timed_buffer.read().await;
if online_user.user_id != user_id && online_user_timed_buffer.latest_update > latest_update
{
for (i, audio_data) in online_user_timed_buffer.audio_buffer.iter().enumerate() {
mixed_audio_buffer[i] = mixed_audio_buffer[i] + audio_data;
}
}
}
if 0.0 as f32 == mixed_audio_buffer.iter().sum() {
None
} else {
Some(mixed_audio_buffer)
}
}
async fn send_audio_data(user_id: u32, mut send_stream: SendStream) {
let mut latest_update = Utc::now();
loop {
let mixed_audio_buffer = match mixer(user_id, latest_update).await {
Some(mixed_audio_buffer) => {
latest_update = Utc::now();
mixed_audio_buffer
}
None => {
sleep(Duration::from_millis(150)).await;
continue;
}
};
for mixed_audio_data in mixed_audio_buffer {
if let Err(err_val) = send_stream.write_f32(mixed_audio_data).await {
eprintln!("Error: Send Audio Data | Remote | {}", err_val);
return;
}
}
}
}
async fn receiver_audio_data(
mut receive_stream: ReceiveStream,
audio_buffer: Arc<RwLock<TimedBuffer>>,
async fn send_audio_data(
send_stream: SendStream,
speaker_id: u8,
mut speaker_action_receiver: broadcast::Receiver<(SpeakerWithData, SpeakerAction)>,
) {
let mut inner_buffer = [0.0 as f32; BUFFER_LENGTH];
let mut i = 0;
let send_stream = Arc::new(RwLock::new(send_stream));
while let Ok((speaker_with_data, speaker_action)) = speaker_action_receiver.recv().await {
match speaker_action {
SpeakerAction::Join => {
let send_stream = send_stream.clone();
tokio::spawn(async move {
let mut audio_data_receiver = speaker_with_data.audio_data_sender.subscribe();
while let Ok(audio_datum) = audio_data_receiver.recv().await {
let data = Signal::pack_audio_datum(speaker_with_data.speaker, audio_datum);
if let Err(err_val) = send_stream.write().await.write_all(&data).await {
eprintln!("Error: Send Audio Data | Remote | {}", err_val);
SpeakerWithData::remove(speaker_id).await;
};
}
});
}
SpeakerAction::Left => {
let data = Signal::pack_speaker_left(speaker_with_data.speaker);
if let Err(err_val) = send_stream.write().await.write_all(&data).await {
eprintln!("Error: Send Speaker Left | Remote | {}", err_val);
SpeakerWithData::remove(speaker_id).await;
}
}
}
}
}
async fn receive_audio_data(
mut receive_stream: ReceiveStream,
speaker_id: u8,
audio_data_sender: broadcast::Sender<f32>,
) {
loop {
match receive_stream.read_f32().await {
Ok(received_audio_data) => {
inner_buffer[i] = received_audio_data;
Ok(received_data) => {
let _ = audio_data_sender.send(received_data);
}
Err(err_val) => {
eprintln!("Error: Receive Audio Data | Remote | {}", err_val);
return;
SpeakerWithData::remove(speaker_id).await;
}
}
if i == BUFFER_LENGTH - 1 {
audio_buffer.write().await.update(inner_buffer);
i = 0;
} else {
i += 1;
}
}
}