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Examples, HUGE fixes, test, make it alot smother

Browse Source 
- switch `listen` to async in oder to verify if the bind was successful
- Introduce the following examples
  - network speed
  - chat
  - fileshare
- add additional tests
- fix dropping stream before last messages can be handled bug, when dropping a stream, BParticipant will wait for prio to be empty before dropping the stream and sending the signal
- correct closing of stream and participant
- move tcp to protocols and create udp front and backend
- tracing and fixing a bug that is caused by not waiting for configuration after receiving a frame
- fix a bug in network-speed, but there is still a bug if trace=warn after 2.000.000 messages the server doesnt get that client has shut down and seems to lock somewhere. hard to reproduce

open tasks
[ ] verify UDP works correctly, especcially the connect!
[ ] implements UDP shutdown correctly, the one created in connect!
[ ] unify logging
[ ] fill metrics
[ ] fix dropping stream before last messages can be handled bug
[ ] add documentation
[ ] add benchmarks
[ ] remove async_serde???
[ ] add mpsc
This commit is contained in:
Marcel Märtens 2020-04-08 16:26:42 +02:00
parent 595f1502b3
commit 2ee18b1fd8
35 changed files with 3431 additions and 1203 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
Cargo.lock generated
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@ -156,22 +156,6 @@ version = "0.8.7"
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3
Cargo.toml
View File

@ -10,9 +10,6 @@ members = [
"voxygen",
"world",
"network",
"network/tools/tcp-loadtest",
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# default profile for devs, fast to compile, okay enough to run, no debug information

916
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5
network/Cargo.toml
View File

@ -8,15 +8,14 @@ edition = "2018"
[dependencies]
tlid = { path = "../../tlid", features = ["serde"]}
#threadpool
uvth = "3.1"
#serialisation
bincode = "1.2"
serde = "1.0"
serde = { version = "1.0", features = ["derive"] }
byteorder = "1.3"
#sending
async-std = { version = "1.5", features = ["std", "unstable"] }
async-std = { version = "1.5", features = ["std"] }
#tracing and metrics
tracing = "0.1"
tracing-futures = "0.2"

2
network/examples/.gitignore vendored Normal file
View File

@ -0,0 +1,2 @@
# dont save cargo locks for examples
*/Cargo.lock

3
network/tools/async_recv/Cargo.toml → network/examples/async_recv/Cargo.toml
View File

@ -1,3 +1,5 @@
[workspace]
[package]
name = "async-recv"
version = "0.1.0"
@ -10,7 +12,6 @@ edition = "2018"
uvth = "3.1"
network = { package = "veloren_network", path = "../../../network" }
clap = "2.33"
uuid = { version = "0.8", features = ["serde", "v4"] }
futures = "0.3"
tracing = "0.1"
chrono = "0.4"

199
network/examples/async_recv/src/main.rs Normal file
View File

@ -0,0 +1,199 @@
use chrono::prelude::*;
use clap::{App, Arg};
use futures::executor::block_on;
use network::{Address, Network, Pid, Stream, PROMISES_NONE};
use serde::{Deserialize, Serialize};
use std::{
net::SocketAddr,
thread,
time::{Duration, Instant},
};
use tracing::*;
use tracing_subscriber::EnvFilter;
use uvth::ThreadPoolBuilder;
#[derive(Serialize, Deserialize, Debug)]
enum Msg {
Ping(u64),
Pong(u64),
}
/// This utility checks if async functionatily of veloren-network works
/// correctly and outputs it at the end
fn main() {
let matches = App::new("Veloren Async Prove Utility")
.version("0.1.0")
.author("Marcel Märtens <marcel.cochem@googlemail.com>")
.about("proves that veloren-network runs async")
.arg(
Arg::with_name("mode")
.short("m")
.long("mode")
.takes_value(true)
.possible_values(&["server", "client", "both"])
.default_value("both")
.help(
"choose whether you want to start the server or client or both needed for \
this program",
),
)
.arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.default_value("52000")
.help("port to listen on"),
)
.arg(
Arg::with_name("ip")
.long("ip")
.takes_value(true)
.default_value("127.0.0.1")
.help("ip to listen and connect to"),
)
.arg(
Arg::with_name("protocol")
.long("protocol")
.takes_value(true)
.default_value("tcp")
.possible_values(&["tcp", "upd", "mpsc"])
.help(
"underlying protocol used for this test, mpsc can only combined with mode=both",
),
)
.arg(
Arg::with_name("trace")
.short("t")
.long("trace")
.takes_value(true)
.default_value("warn")
.possible_values(&["trace", "debug", "info", "warn", "error"])
.help("set trace level, not this has a performance impact!"),
)
.get_matches();
if let Some(trace) = matches.value_of("trace") {
let filter = EnvFilter::from_default_env().add_directive(trace.parse().unwrap());
tracing_subscriber::FmtSubscriber::builder()
.with_max_level(Level::TRACE)
.with_env_filter(filter)
.init();
};
let port: u16 = matches.value_of("port").unwrap().parse().unwrap();
let ip: &str = matches.value_of("ip").unwrap();
let address = match matches.value_of("protocol") {
Some("tcp") => Address::Tcp(format!("{}:{}", ip, port).parse().unwrap()),
Some("udp") => Address::Udp(format!("{}:{}", ip, port).parse().unwrap()),
_ => panic!("invalid mode, run --help!"),
};
let mut background = None;
match matches.value_of("mode") {
Some("server") => server(address),
Some("client") => client(address),
Some("both") => {
let address1 = address.clone();
background = Some(thread::spawn(|| server(address1)));
thread::sleep(Duration::from_millis(200)); //start client after server
client(address)
},
_ => panic!("invalid mode, run --help!"),
};
if let Some(background) = background {
background.join().unwrap();
}
}
fn server(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let server = Network::new(Pid::new(), &thread_pool);
block_on(server.listen(address.clone())).unwrap(); //await
println!("waiting for client");
let p1 = block_on(server.connected()).unwrap(); //remote representation of p1
let mut s1 = block_on(p1.opened()).unwrap(); //remote representation of s1
let mut s2 = block_on(p1.opened()).unwrap(); //remote representation of s2
let t1 = thread::spawn(move || {
if let Ok(Msg::Ping(id)) = block_on(s1.recv()) {
thread::sleep(Duration::from_millis(3000));
s1.send(Msg::Pong(id)).unwrap();
println!("[{}], send s1_1", Utc::now().time());
}
if let Ok(Msg::Ping(id)) = block_on(s1.recv()) {
thread::sleep(Duration::from_millis(3000));
s1.send(Msg::Pong(id)).unwrap();
println!("[{}], send s1_2", Utc::now().time());
}
thread::sleep(Duration::from_millis(10000));
});
let t2 = thread::spawn(move || {
if let Ok(Msg::Ping(id)) = block_on(s2.recv()) {
thread::sleep(Duration::from_millis(1000));
s2.send(Msg::Pong(id)).unwrap();
println!("[{}], send s2_1", Utc::now().time());
}
if let Ok(Msg::Ping(id)) = block_on(s2.recv()) {
thread::sleep(Duration::from_millis(1000));
s2.send(Msg::Pong(id)).unwrap();
println!("[{}], send s2_2", Utc::now().time());
}
thread::sleep(Duration::from_millis(10000));
});
t1.join().unwrap();
t2.join().unwrap();
thread::sleep(Duration::from_millis(50));
}
async fn async_task1(mut s: Stream) -> u64 {
s.send(Msg::Ping(100)).unwrap();
println!("[{}], s1_1...", Utc::now().time());
let m1: Result<Msg, _> = s.recv().await;
println!("[{}], s1_1: {:?}", Utc::now().time(), m1);
thread::sleep(Duration::from_millis(1000));
s.send(Msg::Ping(101)).unwrap();
println!("[{}], s1_2...", Utc::now().time());
let m2: Result<Msg, _> = s.recv().await;
println!("[{}], s1_2: {:?}", Utc::now().time(), m2);
match m2.unwrap() {
Msg::Pong(id) => id,
_ => panic!("wrong answer"),
}
}
async fn async_task2(mut s: Stream) -> u64 {
s.send(Msg::Ping(200)).unwrap();
println!("[{}], s2_1...", Utc::now().time());
let m1: Result<Msg, _> = s.recv().await;
println!("[{}], s2_1: {:?}", Utc::now().time(), m1);
thread::sleep(Duration::from_millis(5000));
s.send(Msg::Ping(201)).unwrap();
println!("[{}], s2_2...", Utc::now().time());
let m2: Result<Msg, _> = s.recv().await;
println!("[{}], s2_2: {:?}", Utc::now().time(), m2);
match m2.unwrap() {
Msg::Pong(id) => id,
_ => panic!("wrong answer"),
}
}
fn client(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let client = Network::new(Pid::new(), &thread_pool);
let p1 = block_on(client.connect(address.clone())).unwrap(); //remote representation of p1
let s1 = block_on(p1.open(16, PROMISES_NONE)).unwrap(); //remote representation of s1
let s2 = block_on(p1.open(16, PROMISES_NONE)).unwrap(); //remote representation of s2
let before = Instant::now();
block_on(async {
let f1 = async_task1(s1);
let f2 = async_task2(s2);
let _ = futures::join!(f1, f2);
});
if before.elapsed() < Duration::from_secs(13) {
println!("IT WORKS!");
} else {
println!("doesn't seem to work :/")
}
thread::sleep(Duration::from_millis(50));
}

20
network/examples/chat/Cargo.toml Normal file
View File

@ -0,0 +1,20 @@
[workspace]
[package]
name = "network-speed"
version = "0.1.0"
authors = ["Marcel Märtens <marcel.cochem@googlemail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
uvth = "3.1"
network = { package = "veloren_network", path = "../../../network" }
clap = "2.33"
async-std = { version = "1.5", default-features = false }
futures = "0.3"
tracing = "0.1"
tracing-subscriber = "0.2.3"
bincode = "1.2"
serde = "1.0"

180
network/examples/chat/src/main.rs Normal file
View File

@ -0,0 +1,180 @@
use async_std::io;
use clap::{App, Arg};
use futures::executor::{block_on, ThreadPool};
use network::{Address, Network, Participant, Pid, PROMISES_CONSISTENCY, PROMISES_ORDERED};
use std::{sync::Arc, thread, time::Duration};
use tracing::*;
use tracing_subscriber::EnvFilter;
use uvth::ThreadPoolBuilder;
///This example contains a simple chatserver, that allows to send messages
/// between participants
fn main() {
let matches = App::new("Chat example")
.version("0.1.0")
.author("Marcel Märtens <marcel.cochem@googlemail.com>")
.about("example chat implemented with veloren-network")
.arg(
Arg::with_name("mode")
.short("m")
.long("mode")
.takes_value(true)
.possible_values(&["server", "client", "both"])
.default_value("both")
.help(
"choose whether you want to start the server or client or both needed for \
this program",
),
)
.arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.default_value("52000")
.help("port to listen on"),
)
.arg(
Arg::with_name("ip")
.long("ip")
.takes_value(true)
.default_value("127.0.0.1")
.help("ip to listen and connect to"),
)
.arg(
Arg::with_name("protocol")
.long("protocol")
.takes_value(true)
.default_value("tcp")
.possible_values(&["tcp", "upd", "mpsc"])
.help(
"underlying protocol used for this test, mpsc can only combined with mode=both",
),
)
.arg(
Arg::with_name("trace")
.short("t")
.long("trace")
.takes_value(true)
.default_value("warn")
.possible_values(&["trace", "debug", "info", "warn", "error"])
.help("set trace level, not this has a performance impact!"),
)
.get_matches();
let trace = matches.value_of("trace").unwrap();
let filter = EnvFilter::from_default_env().add_directive(trace.parse().unwrap());
tracing_subscriber::FmtSubscriber::builder()
.with_max_level(Level::TRACE)
.with_env_filter(filter)
.init();
let port: u16 = matches.value_of("port").unwrap().parse().unwrap();
let ip: &str = matches.value_of("ip").unwrap();
let address = match matches.value_of("protocol") {
Some("tcp") => Address::Tcp(format!("{}:{}", ip, port).parse().unwrap()),
Some("udp") => Address::Udp(format!("{}:{}", ip, port).parse().unwrap()),
_ => panic!("invalid mode, run --help!"),
};
let mut background = None;
match matches.value_of("mode") {
Some("server") => server(address),
Some("client") => client(address),
Some("both") => {
let address1 = address.clone();
background = Some(thread::spawn(|| server(address1)));
thread::sleep(Duration::from_millis(200)); //start client after server
client(address)
},
_ => panic!("invalid mode, run --help!"),
};
if let Some(background) = background {
background.join().unwrap();
}
}
fn server(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let server = Arc::new(Network::new(Pid::new(), &thread_pool));
let pool = ThreadPool::new().unwrap();
block_on(async {
server.listen(address).await.unwrap();
loop {
let p1 = server.connected().await.unwrap();
let server1 = server.clone();
pool.spawn_ok(client_connection(server1, p1));
}
});
}
async fn client_connection(network: Arc<Network>, participant: Arc<Participant>) {
let mut s1 = participant.opened().await.unwrap();
let username = s1.recv::<String>().await.unwrap();
println!("[{}] connected", username);
loop {
match s1.recv::<String>().await {
Err(_) => {
break;
},
Ok(msg) => {
println!("[{}]: {}", username, msg);
let parts = network.participants().await;
for p in parts.values() {
let mut s = p
.open(32, PROMISES_ORDERED | PROMISES_CONSISTENCY)
.await
.unwrap();
s.send((username.clone(), msg.clone())).unwrap();
}
},
}
}
println!("[{}] disconnected", username);
}
fn client(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let client = Network::new(Pid::new(), &thread_pool);
let pool = ThreadPool::new().unwrap();
block_on(async {
let p1 = client.connect(address.clone()).await.unwrap(); //remote representation of p1
let mut s1 = p1
.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY)
.await
.unwrap(); //remote representation of s1
println!("Enter your username:");
let mut username = String::new();
io::stdin().read_line(&mut username).await.unwrap();
username = username.split_whitespace().collect();
println!("Your username is: {}", username);
println!("write /quit to close");
pool.spawn_ok(read_messages(p1));
s1.send(username).unwrap();
loop {
let mut line = String::new();
io::stdin().read_line(&mut line).await.unwrap();
line = line.split_whitespace().collect();
if line.as_str() == "/quit" {
println!("goodbye");
break;
} else {
s1.send(line).unwrap();
}
}
});
thread::sleep(Duration::from_millis(30)); // TODO: still needed for correct shutdown
}
// I am quite lazy, the sending is done in a single stream above, but for
// receiving i open and close a stream per message. this can be done easier but
// this allows me to be quite lazy on the server side and just get a list of
// all participants and send to them...
async fn read_messages(participant: Arc<Participant>) {
while let Ok(mut s) = participant.opened().await {
let (username, message) = s.recv::<(String, String)>().await.unwrap();
println!("[{}]: {}", username, message);
}
println!("gracefully shut down");
}

22
network/examples/fileshare/Cargo.toml Normal file
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@ -0,0 +1,22 @@
[workspace]
[package]
name = "fileshare"
version = "0.1.0"
authors = ["Marcel Märtens <marcel.cochem@googlemail.com>"]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
uvth = "3.1"
network = { package = "veloren_network", path = "../../../network" }
clap = "2.33"
async-std = { version = "1.5", default-features = false }
futures = "0.3"
tracing = "0.1"
tracing-subscriber = "0.2.3"
bincode = "1.2"
serde = "1.0"
rand = "0.7.3"
shellexpand = "2.0.0"

87
network/examples/fileshare/src/commands.rs Normal file
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@ -0,0 +1,87 @@
use async_std::{
fs,
path::{Path, PathBuf},
};
use network::{Address, Participant, Stream};
use rand::Rng;
use serde::{Deserialize, Serialize};
use std::{collections::HashMap, sync::Arc};
#[derive(Debug)]
pub enum LocalCommand {
Shutdown,
Disconnect,
Connect(Address),
List,
Serve(FileInfo),
Get(u32, Option<String>),
}
#[derive(Serialize, Deserialize, Debug)]
pub enum Command {
List,
Get(u32),
}
#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
pub struct FileInfo {
id: u32,
pub path: String,
pub size: u64,
pub hash: String,
}
pub struct RemoteInfo {
infos: HashMap<u32, FileInfo>,
_participant: Arc<Participant>,
pub cmd_out: Stream,
pub file_out: Stream,
}
impl FileInfo {
pub async fn new(path: &Path) -> Option<Self> {
let mt = match fs::metadata(&path).await {
Err(e) => {
println!(
"cannot get metadata for file: {:?}, does it exist? Error: {:?}",
&path, &e
);
return None;
},
Ok(mt) => mt,
};
let size = mt.len();
Some(Self {
id: rand::thread_rng().gen(),
path: path.as_os_str().to_os_string().into_string().unwrap(),
size,
hash: "<none>".to_owned(),
})
}
pub async fn load(&self) -> Result<Vec<u8>, std::io::Error> { fs::read(self.path()).await }
pub fn id(&self) -> u32 { self.id }
pub fn path(&self) -> PathBuf { self.path.parse().unwrap() }
}
impl RemoteInfo {
pub fn new(cmd_out: Stream, file_out: Stream, participant: Arc<Participant>) -> Self {
Self {
infos: HashMap::new(),
_participant: participant,
cmd_out,
file_out,
}
}
pub fn get_info(&self, id: u32) -> Option<FileInfo> { self.infos.get(&id).map(|fi| fi.clone()) }
pub fn insert_infos(&mut self, mut fi: Vec<FileInfo>) {
for fi in fi.drain(..) {
self.infos.insert(fi.id(), fi);
}
}
}

201
network/examples/fileshare/src/main.rs Normal file
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@ -0,0 +1,201 @@
#![feature(async_closure, exclusive_range_pattern)]
use async_std::{io, path::PathBuf};
use clap::{App, Arg, SubCommand};
use futures::{
channel::mpsc,
executor::{block_on, ThreadPool},
sink::SinkExt,
};
use network::Address;
use std::{thread, time::Duration};
use tracing::*;
use tracing_subscriber::EnvFilter;
mod commands;
mod server;
use commands::{FileInfo, LocalCommand};
use server::Server;
fn main() {
let matches = App::new("File Server")
.version("0.1.0")
.author("Marcel Märtens <marcel.cochem@googlemail.com>")
.about("example file server implemented with veloren-network")
.arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.default_value("15006")
.help("port to listen on"),
)
.arg(
Arg::with_name("trace")
.short("t")
.long("trace")
.takes_value(true)
.default_value("warn")
.possible_values(&["trace", "debug", "info", "warn", "error"])
.help("set trace level, not this has a performance impact!"),
)
.get_matches();
let trace = matches.value_of("trace").unwrap();
let filter = EnvFilter::from_default_env()
.add_directive(trace.parse().unwrap())
.add_directive("fileshare::server=trace".parse().unwrap())
.add_directive("fileshare::commands=trace".parse().unwrap());
tracing_subscriber::FmtSubscriber::builder()
.with_max_level(Level::TRACE)
.with_env_filter(filter)
.init();
let port: u16 = matches.value_of("port").unwrap().parse().unwrap();
let address = Address::Tcp(format!("{}:{}", "127.0.0.1", port).parse().unwrap());
let (server, cmd_sender) = Server::new();
let pool = ThreadPool::new().unwrap();
pool.spawn_ok(server.run(address));
thread::sleep(Duration::from_millis(50)); //just for trace
block_on(client(cmd_sender));
}
fn file_exists(file: String) -> Result<(), String> {
let file: std::path::PathBuf = shellexpand::tilde(&file).parse().unwrap();
if file.exists() {
Ok(())
} else {
Err(format!("file does not exist"))
}
}
fn get_options<'a, 'b>() -> App<'a, 'b> {
App::new("")
.setting(clap::AppSettings::NoBinaryName)
.setting(clap::AppSettings::SubcommandRequired)
.setting(clap::AppSettings::VersionlessSubcommands)
.setting(clap::AppSettings::SubcommandRequiredElseHelp)
.setting(clap::AppSettings::ColorAuto)
.subcommand(SubCommand::with_name("quit").about("closes program"))
.subcommand(SubCommand::with_name("disconnect").about("stop connections to all servers"))
.subcommand(SubCommand::with_name("t").about("quick test by connectiong to 127.0.0.1:1231"))
.subcommand(
SubCommand::with_name("connect")
.about("opens a connection to another instance of this fileserver network")
.setting(clap::AppSettings::NoBinaryName)
.arg(
Arg::with_name("ip:port")
.help("ip and port to connect to, example '127.0.0.1:1231'")
.required(true)
.validator(|ipport| match ipport.parse::<std::net::SocketAddr>() {
Ok(_) => Ok(()),
Err(e) => Err(format!("must be valid Ip:Port combination {:?}", e)),
}),
),
)
.subcommand(SubCommand::with_name("list").about("lists all available files on the network"))
.subcommand(
SubCommand::with_name("serve")
.about("make file available on the network")
.arg(
Arg::with_name("file")
.help("file to serve")
.required(true)
.validator(file_exists),
),
)
.subcommand(
SubCommand::with_name("get")
.about(
"downloads file with the id from the `list` command. Optionally provide a \
storage path, if none is provided it will be saved in the current directory \
with the remote filename",
)
.arg(
Arg::with_name("id")
.help("id to download. get the id from the `list` command")
.required(true)
.validator(|id| match id.parse::<u32>() {
Ok(_) => Ok(()),
Err(e) => Err(format!("must be a number {:?}", e)),
}),
)
.arg(Arg::with_name("file").help("local path to store the file to")),
)
}
async fn client(mut cmd_sender: mpsc::UnboundedSender<LocalCommand>) {
use std::io::Write;
loop {
let mut line = String::new();
print!("==> ");
std::io::stdout().flush().unwrap();
io::stdin().read_line(&mut line).await.unwrap();
let matches = match get_options().get_matches_from_safe(line.split_whitespace()) {
Err(e) => {
println!("{}", e.message);
continue;
},
Ok(matches) => matches,
};
match matches.subcommand() {
("quit", _) => {
cmd_sender.send(LocalCommand::Shutdown).await.unwrap();
println!("goodbye");
break;
},
("disconnect", _) => {
cmd_sender.send(LocalCommand::Disconnect).await.unwrap();
},
("connect", Some(connect_matches)) => {
let socketaddr = connect_matches.value_of("ipport").unwrap().parse().unwrap();
cmd_sender
.send(LocalCommand::Connect(Address::Tcp(socketaddr)))
.await
.unwrap();
},
("t", _) => {
cmd_sender
.send(LocalCommand::Connect(Address::Tcp(
"127.0.0.1:1231".parse().unwrap(),
)))
.await
.unwrap();
},
("serve", Some(serve_matches)) => {
let path = shellexpand::tilde(serve_matches.value_of("file").unwrap());
let path: PathBuf = path.parse().unwrap();
if let Some(fileinfo) = FileInfo::new(&path).await {
cmd_sender
.send(LocalCommand::Serve(fileinfo))
.await
.unwrap();
}
},
("list", _) => {
cmd_sender.send(LocalCommand::List).await.unwrap();
},
("get", Some(get_matches)) => {
let id: u32 = get_matches.value_of("id").unwrap().parse().unwrap();
let file = get_matches.value_of("file");
cmd_sender
.send(LocalCommand::Get(id, file.map(|s| s.to_string())))
.await
.unwrap();
},
(_, _) => {
unreachable!("this subcommand isn't yet handled");
},
}
// this 100 ms is because i am super lazy, and i want to appear the logs before
// the next '==>' appears...
thread::sleep(Duration::from_millis(100));
println!("");
}
thread::sleep(Duration::from_millis(30)); // TODO: still needed for correct shutdown
}

214
network/examples/fileshare/src/server.rs Normal file
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@ -0,0 +1,214 @@
use crate::commands::{Command, FileInfo, LocalCommand, RemoteInfo};
use async_std::{
fs,
path::PathBuf,
sync::{Mutex, RwLock},
};
use futures::{channel::mpsc, future::FutureExt, stream::StreamExt};
use network::{Address, Network, Participant, Pid, Stream, PROMISES_CONSISTENCY, PROMISES_ORDERED};
use std::{collections::HashMap, sync::Arc};
use tracing::*;
use uvth::ThreadPoolBuilder;
#[derive(Debug)]
struct ControlChannels {
command_receiver: mpsc::UnboundedReceiver<LocalCommand>,
}
pub struct Server {
run_channels: Option<ControlChannels>,
network: Network,
served: RwLock<Vec<FileInfo>>,
remotes: RwLock<HashMap<Pid, Arc<Mutex<RemoteInfo>>>>,
receiving_files: Mutex<HashMap<u32, Option<String>>>,
}
impl Server {
pub fn new() -> (Self, mpsc::UnboundedSender<LocalCommand>) {
let (command_sender, command_receiver) = mpsc::unbounded();
let thread_pool = ThreadPoolBuilder::new().build();
let network = Network::new(Pid::new(), &thread_pool);
let run_channels = Some(ControlChannels { command_receiver });
(
Server {
run_channels,
network,
served: RwLock::new(vec![]),
remotes: RwLock::new(HashMap::new()),
receiving_files: Mutex::new(HashMap::new()),
},
command_sender,
)
}
pub async fn run(mut self, address: Address) {
let run_channels = self.run_channels.take().unwrap();
self.network.listen(address).await.unwrap();
futures::join!(
self.command_manager(run_channels.command_receiver,),
self.connect_manager(),
);
}
async fn command_manager(&self, command_receiver: mpsc::UnboundedReceiver<LocalCommand>) {
trace!("start command_manager");
command_receiver
.for_each_concurrent(None, async move |cmd| {
match cmd {
LocalCommand::Shutdown => {
println!("shutting down service");
return;
},
LocalCommand::Disconnect => {
self.remotes.write().await.clear();
for (_, p) in self.network.participants().await.drain() {
self.network.disconnect(p).await.unwrap();
}
println!("disconnecting all connections");
return;
},
LocalCommand::Connect(addr) => {
println!("trying to connect to: {:?}", &addr);
match self.network.connect(addr.clone()).await {
Ok(p) => self.loop_participant(p).await,
Err(e) => {
println!("failled to connect to {:?}, err: {:?}", &addr, e);
},
}
},
LocalCommand::Serve(fileinfo) => {
self.served.write().await.push(fileinfo.clone());
println!("serving file: {:?}", fileinfo.path);
},
LocalCommand::List => {
let mut total_file_infos = vec![];
for ri in self.remotes.read().await.values() {
let mut ri = ri.lock().await;
ri.cmd_out.send(Command::List).unwrap();
let mut file_infos = ri.cmd_out.recv::<Vec<FileInfo>>().await.unwrap();
ri.insert_infos(file_infos.clone());
total_file_infos.append(&mut file_infos);
}
print_fileinfos(&total_file_infos);
},
LocalCommand::Get(id, path) => {
// i dont know the owner, just broadcast, i am laaaazyyy
for ri in self.remotes.read().await.values() {
let mut ri = ri.lock().await;
if ri.get_info(id).is_some() {
//found provider, send request.
self.receiving_files.lock().await.insert(id, path.clone());
ri.cmd_out.send(Command::Get(id)).unwrap();
// the answer is handled via the other stream!
break;
}
}
},
}
})
.await;
trace!("stop command_manager");
}
async fn connect_manager(&self) {
trace!("start connect_manager");
let iter = futures::stream::unfold((), |_| {
self.network.connected().map(|r| r.ok().map(|v| (v, ())))
});
iter.for_each_concurrent(/* limit */ None, async move |participant| {
self.loop_participant(participant).await;
})
.await;
trace!("stop connect_manager");
}
async fn loop_participant(&self, p: Arc<Participant>) {
if let (Ok(cmd_out), Ok(file_out), Ok(cmd_in), Ok(file_in)) = (
p.open(15, PROMISES_CONSISTENCY | PROMISES_ORDERED).await,
p.open(40, PROMISES_CONSISTENCY).await,
p.opened().await,
p.opened().await,
) {
debug!(?p, "connection successfully initiated");
let id = p.remote_pid();
let ri = Arc::new(Mutex::new(RemoteInfo::new(cmd_out, file_out, p)));
self.remotes.write().await.insert(id, ri.clone());
futures::join!(
self.handle_remote_cmd(cmd_in, ri.clone()),
self.handle_files(file_in, ri.clone()),
);
}
}
async fn handle_remote_cmd(&self, mut stream: Stream, remote_info: Arc<Mutex<RemoteInfo>>) {
while let Ok(msg) = stream.recv::<Command>().await {
println!("got message: {:?}", &msg);
match msg {
Command::List => {
info!("request to send my list");
let served = self.served.read().await.clone();
stream.send(served).unwrap();
},
Command::Get(id) => {
for file_info in self.served.read().await.iter() {
if file_info.id() == id {
info!("request to send file i got, sending it");
if let Ok(data) = file_info.load().await {
match remote_info.lock().await.file_out.send((file_info, data)) {
Ok(_) => debug!("send file"),
Err(e) => error!(?e, "sending file failed"),
}
} else {
warn!("cannot send file as loading failed, oes it still exist?");
}
}
}
},
}
}
}
async fn handle_files(&self, mut stream: Stream, _remote_info: Arc<Mutex<RemoteInfo>>) {
while let Ok((fi, data)) = stream.recv::<(FileInfo, Vec<u8>)>().await {
debug!(?fi, "got file");
let path = self.receiving_files.lock().await.remove(&fi.id()).flatten();
let path: PathBuf = match &path {
Some(path) => shellexpand::tilde(&path).parse().unwrap(),
None => {
let mut path = std::env::current_dir().unwrap();
path.push(fi.path().file_name().unwrap());
trace!("no path provided, saving down to {:?}", path);
PathBuf::from(path)
},
};
debug!("received file, going to save it under {:?}", path);
fs::write(path, data).await.unwrap();
}
}
}
fn print_fileinfos(infos: &Vec<FileInfo>) {
let mut i = 0;
for info in infos {
let bytes = info.size;
match bytes {
0..100_000 => println!("{}: {}bytes '{}'", info.id(), bytes, info.path),
100_000..100_000_000 => {
println!("{}: {}bytes '{}'", info.id(), bytes / 1024, info.path)
},
_ => println!(
"{}: {}bytes '{}'",
info.id(),
bytes / 1024 / 1024,
info.path
),
}
i += 1;
}
println!("-- {} files available", i);
}

3
network/tools/network-speed/Cargo.toml → network/examples/network-speed/Cargo.toml
View File

@ -1,3 +1,5 @@
[workspace]
[package]
name = "network-speed"
version = "0.1.0"
@ -10,7 +12,6 @@ edition = "2018"
uvth = "3.1"
network = { package = "veloren_network", path = "../../../network" }
clap = "2.33"
uuid = { version = "0.8", features = ["serde", "v4"] }
futures = "0.3"
tracing = "0.1"
tracing-subscriber = "0.2.3"

160
network/examples/network-speed/src/main.rs Normal file
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@ -0,0 +1,160 @@
use clap::{App, Arg};
use futures::executor::block_on;
use network::{Address, Network, Pid, PROMISES_CONSISTENCY, PROMISES_ORDERED};
use serde::{Deserialize, Serialize};
use std::{
thread,
time::{Duration, Instant},
};
use tracing::*;
use tracing_subscriber::EnvFilter;
use uvth::ThreadPoolBuilder;
#[derive(Serialize, Deserialize, Debug)]
enum Msg {
Ping { id: u64, data: Vec<u8> },
Pong { id: u64, data: Vec<u8> },
}
/// This utility tests the speed of veloren network by creating a client that
/// opens a stream and pipes as many messages through it as possible.
fn main() {
let matches = App::new("Veloren Speed Test Utility")
.version("0.1.0")
.author("Marcel Märtens <marcel.cochem@googlemail.com>")
.about("Runs speedtests regarding different parameter to benchmark veloren-network")
.arg(
Arg::with_name("mode")
.short("m")
.long("mode")
.takes_value(true)
.possible_values(&["server", "client", "both"])
.default_value("both")
.help(
"choose whether you want to start the server or client or both needed for \
this program",
),
)
.arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.default_value("52000")
.help("port to listen on"),
)
.arg(
Arg::with_name("ip")
.long("ip")
.takes_value(true)
.default_value("127.0.0.1")
.help("ip to listen and connect to"),
)
.arg(
Arg::with_name("protocol")
.long("protocol")
.takes_value(true)
.default_value("tcp")
.possible_values(&["tcp", "upd", "mpsc"])
.help(
"underlying protocol used for this test, mpsc can only combined with mode=both",
),
)
.arg(
Arg::with_name("trace")
.short("t")
.long("trace")
.takes_value(true)
.default_value("warn")
.possible_values(&["trace", "debug", "info", "warn", "error"])
.help("set trace level, not this has a performance impact!"),
)
.get_matches();
let trace = matches.value_of("trace").unwrap();
let filter = EnvFilter::from_default_env().add_directive(trace.parse().unwrap()).add_directive("veloren_network::participant=debug".parse().unwrap()).add_directive("veloren_network::api=debug".parse().unwrap());
tracing_subscriber::FmtSubscriber::builder()
.with_max_level(Level::TRACE)
.with_env_filter(filter)
.init();
let port: u16 = matches.value_of("port").unwrap().parse().unwrap();
let ip: &str = matches.value_of("ip").unwrap();
let address = match matches.value_of("protocol") {
Some("tcp") => Address::Tcp(format!("{}:{}", ip, port).parse().unwrap()),
Some("udp") => Address::Udp(format!("{}:{}", ip, port).parse().unwrap()),
_ => panic!("invalid mode, run --help!"),
};
let mut background = None;
match matches.value_of("mode") {
Some("server") => server(address),
Some("client") => client(address),
Some("both") => {
let address1 = address.clone();
background = Some(thread::spawn(|| server(address1)));
thread::sleep(Duration::from_millis(200)); //start client after server
client(address)
},
_ => panic!("invalid mode, run --help!"),
};
if let Some(background) = background {
background.join().unwrap();
}
}
fn server(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let server = Network::new(Pid::new(), &thread_pool);
block_on(server.listen(address)).unwrap();
loop {
info!("waiting for participant to connect");
let p1 = block_on(server.connected()).unwrap(); //remote representation of p1
let mut s1 = block_on(p1.opened()).unwrap(); //remote representation of s1
block_on(async {
let mut last = Instant::now();
let mut id = 0u64;
while let Ok(_msg) = s1.recv::<Msg>().await {
id += 1;
if id.rem_euclid(1000000) == 0 {
let new = Instant::now();
let diff = new.duration_since(last);
last = new;
println!("recv 1.000.000 took {}", diff.as_millis());
}
}
info!("other stream was closed");
});
}
}
fn client(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let client = Network::new(Pid::new(), &thread_pool);
let p1 = block_on(client.connect(address.clone())).unwrap(); //remote representation of p1
let mut s1 = block_on(p1.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY)).unwrap(); //remote representation of s1
let mut last = Instant::now();
let mut id = 0u64;
loop {
s1.send(Msg::Ping {
id,
data: vec![0; 1000],
})
.unwrap();
id += 1;
if id.rem_euclid(1000000) == 0 {
let new = Instant::now();
let diff = new.duration_since(last);
last = new;
println!("send 1.000.000 took {}", diff.as_millis());
}
if id > 2000000 {
println!("stop");
std::thread::sleep(std::time::Duration::from_millis(50));
break;
}
}
debug!("closing client");
}

2
network/tools/tcp-loadtest/Cargo.toml → network/examples/tcp-loadtest/Cargo.toml
View File

@ -1,3 +1,5 @@
[workspace]
[package]
name = "tcp-loadtest"
version = "0.1.0"

6
network/tools/tcp-loadtest/src/main.rs → network/examples/tcp-loadtest/src/main.rs
View File

@ -19,9 +19,13 @@ fn setup() -> Result<SocketAddr, u32> {
return Err(1);
}
let a: SocketAddr = format!("{}:{}", args[1], args[2]).parse().unwrap();
println!("You provided address: {}", &a);
return Ok(a);
}
/// This example file is not running veloren-network at all,
/// instead it's just trying to create 4 threads and pump as much bytes as
/// possible through a specific listener, the listener needs to be created
/// before this program is started.
fn main() -> Result<(), u32> {
let addr = Arc::new(setup()?);
let data: Arc<String> = Arc::new(

268
network/src/api.rs
View File

@ -1,9 +1,9 @@
use crate::{
message::{self, InCommingMessage, OutGoingMessage},
scheduler::Scheduler,
types::{Mid, Pid, Prio, Promises, Sid},
types::{Mid, Pid, Prio, Promises, Requestor::User, Sid},
};
use async_std::{sync::RwLock, task};
use async_std::{io, sync::RwLock, task};
use futures::{
channel::{mpsc, oneshot},
sink::SinkExt,
@ -28,13 +28,11 @@ pub enum Address {
Mpsc(u64),
}
#[derive(Debug)]
pub struct Participant {
local_pid: Pid,
remote_pid: Pid,
stream_open_sender: RwLock<mpsc::UnboundedSender<(Prio, Promises, oneshot::Sender<Stream>)>>,
stream_opened_receiver: RwLock<mpsc::UnboundedReceiver<Stream>>,
shutdown_receiver: RwLock<oneshot::Receiver<()>>,
closed: AtomicBool,
disconnect_sender: Option<mpsc::UnboundedSender<Pid>>,
}
@ -48,25 +46,33 @@ pub struct Stream {
promises: Promises,
msg_send_sender: std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>,
msg_recv_receiver: mpsc::UnboundedReceiver<InCommingMessage>,
shutdown_receiver: oneshot::Receiver<()>,
closed: AtomicBool,
closed: Arc<AtomicBool>,
shutdown_sender: Option<mpsc::UnboundedSender<Sid>>,
}
#[derive(Clone, Debug, Hash, PartialEq, Eq)]
pub struct NetworkError {}
#[derive(Debug)]
pub enum NetworkError {
NetworkClosed,
ListenFailed(std::io::Error),
}
#[derive(Clone, Debug, Hash, PartialEq, Eq)]
pub struct ParticipantError {}
#[derive(Debug, PartialEq)]
pub enum ParticipantError {
ParticipantClosed,
}
#[derive(Clone, Debug, Hash, PartialEq, Eq)]
pub struct StreamError {}
#[derive(Debug, PartialEq)]
pub enum StreamError {
StreamClosed,
}
pub struct Network {
local_pid: Pid,
participants: RwLock<HashMap<Pid, Arc<Participant>>>,
listen_sender: RwLock<mpsc::UnboundedSender<Address>>,
connect_sender: RwLock<mpsc::UnboundedSender<(Address, oneshot::Sender<Participant>)>>,
listen_sender:
RwLock<mpsc::UnboundedSender<(Address, oneshot::Sender<async_std::io::Result<()>>)>>,
connect_sender:
RwLock<mpsc::UnboundedSender<(Address, oneshot::Sender<io::Result<Participant>>)>>,
connected_receiver: RwLock<mpsc::UnboundedReceiver<Participant>>,
shutdown_sender: Option<oneshot::Sender<()>>,
}
@ -75,10 +81,11 @@ impl Network {
pub fn new(participant_id: Pid, thread_pool: &ThreadPool) -> Self {
//let participants = RwLock::new(vec![]);
let p = participant_id;
debug!(?p, "starting Network");
debug!(?p, ?User, "starting Network");
let (scheduler, listen_sender, connect_sender, connected_receiver, shutdown_sender) =
Scheduler::new(participant_id);
thread_pool.execute(move || {
trace!(?p, ?User, "starting sheduler in own thread");
let _handle = task::block_on(
scheduler
.run()
@ -95,56 +102,60 @@ impl Network {
}
}
pub fn listen(&self, address: Address) -> Result<(), NetworkError> {
task::block_on(async { self.listen_sender.write().await.send(address).await }).unwrap();
Ok(())
pub async fn listen(&self, address: Address) -> Result<(), NetworkError> {
let (result_sender, result_receiver) = oneshot::channel::<async_std::io::Result<()>>();
debug!(?address, ?User, "listening on address");
self.listen_sender
.write()
.await
.send((address, result_sender))
.await?;
match result_receiver.await? {
//waiting guarantees that we either listened sucessfully or get an error like port in
// use
Ok(()) => Ok(()),
Err(e) => Err(NetworkError::ListenFailed(e)),
}
}
pub async fn connect(&self, address: Address) -> Result<Arc<Participant>, NetworkError> {
let (pid_sender, pid_receiver) = oneshot::channel::<Participant>();
let (pid_sender, pid_receiver) = oneshot::channel::<io::Result<Participant>>();
debug!(?address, ?User, "connect to address");
self.connect_sender
.write()
.await
.send((address, pid_sender))
.await
.unwrap();
match pid_receiver.await {
Ok(participant) => {
.await?;
let participant = pid_receiver.await??;
let pid = participant.remote_pid;
debug!(?pid, "received Participant from remote");
debug!(
?pid,
?User,
"received Participant id from remote and return to user"
);
let participant = Arc::new(participant);
self.participants
.write()
.await
.insert(participant.remote_pid, participant.clone());
Ok(participant)
},
Err(_) => Err(NetworkError {}),
}
}
pub async fn connected(&self) -> Result<Arc<Participant>, NetworkError> {
match self.connected_receiver.write().await.next().await {
Some(participant) => {
let participant = self.connected_receiver.write().await.next().await?;
let participant = Arc::new(participant);
self.participants
.write()
.await
.insert(participant.remote_pid, participant.clone());
Ok(participant)
},
None => Err(NetworkError {}),
}
}
pub async fn disconnect(&self, participant: Arc<Participant>) -> Result<(), NetworkError> {
// Remove, Close and try_unwrap error when unwrap fails!
let participant = self
.participants
.write()
.await
.remove(&participant.remote_pid)
.unwrap();
let pid = participant.remote_pid;
debug!(?pid, "removing participant from network");
self.participants.write().await.remove(&pid)?;
participant.closed.store(true, Ordering::Relaxed);
if Arc::try_unwrap(participant).is_err() {
@ -155,9 +166,11 @@ impl Network {
};
Ok(())
}
}
//TODO: HANDLE SHUTDOWN_RECEIVER
pub async fn participants(&self) -> HashMap<Pid, Arc<Participant>> {
self.participants.read().await.clone()
}
}
impl Participant {
pub(crate) fn new(
@ -165,7 +178,6 @@ impl Participant {
remote_pid: Pid,
stream_open_sender: mpsc::UnboundedSender<(Prio, Promises, oneshot::Sender<Stream>)>,
stream_opened_receiver: mpsc::UnboundedReceiver<Stream>,
shutdown_receiver: oneshot::Receiver<()>,
disconnect_sender: mpsc::UnboundedSender<Pid>,
) -> Self {
Self {
@ -173,36 +185,66 @@ impl Participant {
remote_pid,
stream_open_sender: RwLock::new(stream_open_sender),
stream_opened_receiver: RwLock::new(stream_opened_receiver),
shutdown_receiver: RwLock::new(shutdown_receiver),
closed: AtomicBool::new(false),
disconnect_sender: Some(disconnect_sender),
}
}
pub async fn open(&self, prio: u8, promises: Promises) -> Result<Stream, ParticipantError> {
//use this lock for now to make sure that only one open at a time is made,
// TODO: not sure if we can paralise that, check in future
let mut stream_open_sender = self.stream_open_sender.write().await;
if self.closed.load(Ordering::Relaxed) {
warn!(?self.remote_pid, "participant is closed but another open is tried on it");
return Err(ParticipantError::ParticipantClosed);
}
let (sid_sender, sid_receiver) = oneshot::channel();
self.stream_open_sender
.write()
.await
if stream_open_sender
.send((prio, promises, sid_sender))
.await
.unwrap();
.is_err()
{
debug!(?self.remote_pid, ?User, "stream_open_sender failed, closing participant");
self.closed.store(true, Ordering::Relaxed);
return Err(ParticipantError::ParticipantClosed);
}
match sid_receiver.await {
Ok(stream) => {
let sid = stream.sid;
debug!(?sid, "opened stream");
debug!(?sid, ?self.remote_pid, ?User, "opened stream");
Ok(stream)
},
Err(_) => Err(ParticipantError {}),
Err(_) => {
debug!(?self.remote_pid, ?User, "sid_receiver failed, closing participant");
self.closed.store(true, Ordering::Relaxed);
Err(ParticipantError::ParticipantClosed)
},
}
}
pub async fn opened(&self) -> Result<Stream, ParticipantError> {
match self.stream_opened_receiver.write().await.next().await {
Some(stream) => Ok(stream),
None => Err(ParticipantError {}),
//use this lock for now to make sure that only one open at a time is made,
// TODO: not sure if we can paralise that, check in future
let mut stream_opened_receiver = self.stream_opened_receiver.write().await;
if self.closed.load(Ordering::Relaxed) {
warn!(?self.remote_pid, "participant is closed but another open is tried on it");
return Err(ParticipantError::ParticipantClosed);
}
match stream_opened_receiver.next().await {
Some(stream) => {
let sid = stream.sid;
debug!(?sid, ?self.remote_pid, "receive opened stream");
Ok(stream)
},
None => {
debug!(?self.remote_pid, "stream_opened_receiver failed, closing participant");
self.closed.store(true, Ordering::Relaxed);
Err(ParticipantError::ParticipantClosed)
},
}
}
pub fn remote_pid(&self) -> Pid { self.remote_pid }
}
impl Stream {
@ -213,7 +255,7 @@ impl Stream {
promises: Promises,
msg_send_sender: std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>,
msg_recv_receiver: mpsc::UnboundedReceiver<InCommingMessage>,
shutdown_receiver: oneshot::Receiver<()>,
closed: Arc<AtomicBool>,
shutdown_sender: mpsc::UnboundedSender<Sid>,
) -> Self {
Self {
@ -224,79 +266,139 @@ impl Stream {
promises,
msg_send_sender,
msg_recv_receiver,
shutdown_receiver,
closed: AtomicBool::new(false),
closed,
shutdown_sender: Some(shutdown_sender),
}
}
pub async fn send<M: Serialize>(&mut self, msg: M) -> Result<(), StreamError> {
pub fn send<M: Serialize>(&mut self, msg: M) -> Result<(), StreamError> {
let messagebuffer = Arc::new(message::serialize(&msg));
if self.closed.load(Ordering::Relaxed) {
return Err(StreamError::StreamClosed);
}
self.msg_send_sender
.send((self.prio, self.pid, self.sid, OutGoingMessage {
buffer: messagebuffer,
cursor: 0,
mid: self.mid,
sid: self.sid,
}))
.unwrap();
}))?;
self.mid += 1;
Ok(())
}
pub async fn recv<M: DeserializeOwned>(&mut self) -> Result<M, StreamError> {
match self.msg_recv_receiver.next().await {
Some(msg) => {
//no need to access self.closed here, as when this stream is closed the Channel
// is closed which will trigger a None
let msg = self.msg_recv_receiver.next().await?;
info!(?msg, "delivering a message");
Ok(message::deserialize(msg.buffer))
},
None => panic!(
"Unexpected error, probably stream was destroyed... maybe i dont know yet, no \
idea of async stuff"
),
}
}
//Todo: ERROR: TODO: implement me and the disconnecting!
}
impl Drop for Network {
fn drop(&mut self) {
let p = self.local_pid;
debug!(?p, "shutting down Network");
self.shutdown_sender.take().unwrap().send(()).unwrap();
let pid = self.local_pid;
debug!(?pid, "shutting down Network");
self.shutdown_sender
.take()
.unwrap()
.send(())
.expect("scheduler is closed, but nobody other should be able to close it");
}
}
impl Drop for Participant {
fn drop(&mut self) {
if !self.closed.load(Ordering::Relaxed) {
let p = self.remote_pid;
debug!(?p, "shutting down Participant");
// ignore closed, as we need to send it even though we disconnected the
// participant from network
let pid = self.remote_pid;
debug!(?pid, "shutting down Participant");
task::block_on(async {
self.disconnect_sender
.take()
.unwrap()
.send(self.remote_pid)
.await
.unwrap()
.expect("something is wrong in internal scheduler coding")
});
}
}
}
impl Drop for Stream {
fn drop(&mut self) {
// a send if closed is unecessary but doesnt hurt, we must not crash here
if !self.closed.load(Ordering::Relaxed) {
let s = self.sid;
debug!(?s, "shutting down Stream");
task::block_on(async {
self.shutdown_sender
.take()
.unwrap()
.send(self.sid)
.await
.unwrap()
});
let sid = self.sid;
let pid = self.pid;
debug!(?pid, ?sid, "shutting down Stream");
if task::block_on(self.shutdown_sender.take().unwrap().send(self.sid)).is_err() {
warn!(
"Other side got already dropped, probably due to timing, other side will \
handle this gracefully"
);
};
}
}
}
impl std::fmt::Debug for Participant {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let status = if self.closed.load(Ordering::Relaxed) {
"[CLOSED]"
} else {
"[OPEN]"
};
write!(
f,
"Participant {{{} local_pid: {:?}, remote_pid: {:?} }}",
status, &self.local_pid, &self.remote_pid,
)
}
}
impl<T> From<std::sync::mpsc::SendError<T>> for StreamError {
fn from(_err: std::sync::mpsc::SendError<T>) -> Self { StreamError::StreamClosed }
}
impl<T> From<std::sync::mpsc::SendError<T>> for ParticipantError {
fn from(_err: std::sync::mpsc::SendError<T>) -> Self { ParticipantError::ParticipantClosed }
}
impl<T> From<std::sync::mpsc::SendError<T>> for NetworkError {
fn from(_err: std::sync::mpsc::SendError<T>) -> Self { NetworkError::NetworkClosed }
}
impl From<async_std::io::Error> for NetworkError {
fn from(err: async_std::io::Error) -> Self { NetworkError::ListenFailed(err) }
}
impl From<std::option::NoneError> for StreamError {
fn from(_err: std::option::NoneError) -> Self { StreamError::StreamClosed }
}
impl From<std::option::NoneError> for ParticipantError {
fn from(_err: std::option::NoneError) -> Self { ParticipantError::ParticipantClosed }
}
impl From<std::option::NoneError> for NetworkError {
fn from(_err: std::option::NoneError) -> Self { NetworkError::NetworkClosed }
}
impl From<mpsc::SendError> for ParticipantError {
fn from(_err: mpsc::SendError) -> Self { ParticipantError::ParticipantClosed }
}
impl From<mpsc::SendError> for NetworkError {
fn from(_err: mpsc::SendError) -> Self { NetworkError::NetworkClosed }
}
impl From<oneshot::Canceled> for ParticipantError {
fn from(_err: oneshot::Canceled) -> Self { ParticipantError::ParticipantClosed }
}
impl From<oneshot::Canceled> for NetworkError {
fn from(_err: oneshot::Canceled) -> Self { NetworkError::NetworkClosed }
}

130
network/src/channel.rs
View File

@ -1,12 +1,16 @@
use crate::{
frames::Frame,
protocols::Protocols,
types::{
Cid, NetworkBuffer, Pid, Sid, STREAM_ID_OFFSET1, STREAM_ID_OFFSET2, VELOREN_MAGIC_NUMBER,
Cid, Frame, Pid, Sid, STREAM_ID_OFFSET1, STREAM_ID_OFFSET2, VELOREN_MAGIC_NUMBER,
VELOREN_NETWORK_VERSION,
},
};
use async_std::{net::TcpStream, prelude::*, sync::RwLock};
use futures::{channel::mpsc, future::FutureExt, select, sink::SinkExt, stream::StreamExt};
use async_std::sync::RwLock;
use futures::{
channel::{mpsc, oneshot},
sink::SinkExt,
stream::StreamExt,
};
use tracing::*;
//use futures::prelude::*;
@ -27,10 +31,12 @@ enum ChannelState {
}
impl Channel {
#[cfg(debug_assertions)]
const WRONG_NUMBER: &'static [u8] = "Handshake does not contain the magic number requiered by \
veloren server.\nWe are not sure if you are a valid \
veloren client.\nClosing the connection"
.as_bytes();
#[cfg(debug_assertions)]
const WRONG_VERSION: &'static str = "Handshake does contain a correct magic number, but \
invalid version.\nWe don't know how to communicate with \
you.\nClosing the connection";
@ -54,24 +60,36 @@ impl Channel {
/// receiver: mpsc::Receiver
pub async fn run(
self,
protocol: TcpStream,
protocol: Protocols,
part_in_receiver: mpsc::UnboundedReceiver<Frame>,
part_out_sender: mpsc::UnboundedSender<(Cid, Frame)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid, oneshot::Sender<()>)>,
) {
let (prot_in_sender, prot_in_receiver) = mpsc::unbounded::<Frame>();
let (prot_out_sender, prot_out_receiver) = mpsc::unbounded::<Frame>();
futures::join!(
self.read(protocol.clone(), prot_in_sender),
self.write(protocol, prot_out_receiver, part_in_receiver),
self.frame_handler(
let handler_future = self.frame_handler(
prot_in_receiver,
prot_out_sender,
part_out_sender,
configured_sender
)
configured_sender,
);
match protocol {
Protocols::Tcp(tcp) => {
futures::join!(
tcp.read(prot_in_sender),
tcp.write(prot_out_receiver, part_in_receiver),
handler_future,
);
},
Protocols::Udp(udp) => {
futures::join!(
udp.read(prot_in_sender),
udp.write(prot_out_receiver, part_in_receiver),
handler_future,
);
},
}
//return part_out_receiver;
}
@ -81,17 +99,17 @@ impl Channel {
mut frames: mpsc::UnboundedReceiver<Frame>,
mut frame_sender: mpsc::UnboundedSender<Frame>,
mut external_frame_sender: mpsc::UnboundedSender<(Cid, Frame)>,
mut configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid)>,
mut configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid, oneshot::Sender<()>)>,
) {
const ERR_S: &str = "Got A Raw Message, these are usually Debug Messages indicating that \
something went wrong on network layer and connection will be closed";
while let Some(frame) = frames.next().await {
trace!(?frame, "recv frame");
match frame {
Frame::Handshake {
magic_number,
version,
} => {
trace!(?magic_number, ?version, "recv handshake");
if self
.verify_handshake(magic_number, version, &mut frame_sender)
.await
@ -121,10 +139,19 @@ impl Channel {
STREAM_ID_OFFSET1
};
info!(?pid, "this channel is now configured!");
let (sender, receiver) = oneshot::channel();
configured_sender
.send((self.cid, pid, stream_id_offset))
.send((self.cid, pid, stream_id_offset, sender))
.await
.unwrap();
receiver.await.unwrap();
//TODO: this is sync anyway, because we need to wait. so find a better way than
// there channels like direct method call... otherwise a
// frame might jump in before its officially configured yet
debug!(
"STOP, if you read this, fix this error. make this a function isntead a \
channel here"
);
},
Frame::Shutdown => {
info!("shutdown signal received");
@ -144,81 +171,12 @@ impl Channel {
}
}
pub async fn read(
&self,
mut protocol: TcpStream,
mut frame_handler: mpsc::UnboundedSender<Frame>,
) {
let mut buffer = NetworkBuffer::new();
loop {
match protocol.read(buffer.get_write_slice(2048)).await {
Ok(0) => {
debug!(?buffer, "shutdown of tcp channel detected");
frame_handler.send(Frame::Shutdown).await.unwrap();
break;
},
Ok(n) => {
buffer.actually_written(n);
trace!("incomming message with len: {}", n);
let slice = buffer.get_read_slice();
let mut cur = std::io::Cursor::new(slice);
let mut read_ok = 0;
while cur.position() < n as u64 {
let round_start = cur.position() as usize;
let r: Result<Frame, _> = bincode::deserialize_from(&mut cur);
match r {
Ok(frame) => {
frame_handler.send(frame).await.unwrap();
read_ok = cur.position() as usize;
},
Err(e) => {
// Probably we have to wait for moare data!
let first_bytes_of_msg =
&slice[round_start..std::cmp::min(n, round_start + 16)];
debug!(
?buffer,
?e,
?n,
?round_start,
?first_bytes_of_msg,
"message cant be parsed, probably because we need to wait for \
more data"
);
break;
},
}
}
buffer.actually_read(read_ok);
},
Err(e) => panic!("{}", e),
}
}
}
pub async fn write(
&self,
mut protocol: TcpStream,
mut internal_frame_receiver: mpsc::UnboundedReceiver<Frame>,
mut external_frame_receiver: mpsc::UnboundedReceiver<Frame>,
) {
while let Some(frame) = select! {
next = internal_frame_receiver.next().fuse() => next,
next = external_frame_receiver.next().fuse() => next,
} {
//dezerialize here as this is executed in a seperate thread PER channel.
// Limites Throughput per single Receiver but stays in same thread (maybe as its
// in a threadpool)
trace!(?frame, "going to send frame via tcp");
let data = bincode::serialize(&frame).unwrap();
protocol.write_all(data.as_slice()).await.unwrap();
}
}
async fn verify_handshake(
&self,
magic_number: String,
version: [u32; 3],
frame_sender: &mut mpsc::UnboundedSender<Frame>,
#[cfg(debug_assertions)] frame_sender: &mut mpsc::UnboundedSender<Frame>,
#[cfg(not(debug_assertions))] _: &mut mpsc::UnboundedSender<Frame>,
) -> Result<(), ()> {
if magic_number != VELOREN_MAGIC_NUMBER {
error!(?magic_number, "connection with invalid magic_number");

37
network/src/frames.rs
View File

@ -1,37 +0,0 @@
use crate::types::{Mid, Pid, Prio, Promises, Sid};
use serde::{Deserialize, Serialize};
// Used for Communication between Channel <----(TCP/UDP)----> Channel
#[derive(Serialize, Deserialize, Debug)]
pub enum Frame {
Handshake {
magic_number: String,
version: [u32; 3],
},
ParticipantId {
pid: Pid,
},
Shutdown, /* Shutsdown this channel gracefully, if all channels are shut down, Participant
* is deleted */
OpenStream {
sid: Sid,
prio: Prio,
promises: Promises,
},
CloseStream {
sid: Sid,
},
DataHeader {
mid: Mid,
sid: Sid,
length: u64,
},
Data {
id: Mid,
start: u64,
data: Vec<u8>,
},
/* WARNING: Sending RAW is only used for debug purposes in case someone write a new API
* against veloren Server! */
Raw(Vec<u8>),
}

16
network/src/lib.rs
View File

@ -1,27 +1,17 @@
#![feature(trait_alias)]
#![feature(trait_alias, try_trait)]
mod api;
mod async_serde;
mod channel;
mod frames;
mod message;
mod metrics;
mod mpsc;
mod participant;
mod prios;
mod protocols;
mod scheduler;
mod tcp;
mod types;
mod udp;
pub use api::{Address, Network};
pub use scheduler::Scheduler;
pub use api::{Address, Network, NetworkError, Participant, ParticipantError, Stream, StreamError};
pub use types::{
Pid, Promises, PROMISES_COMPRESSED, PROMISES_CONSISTENCY, PROMISES_ENCRYPTED,
PROMISES_GUARANTEED_DELIVERY, PROMISES_NONE, PROMISES_ORDERED,
};
/*
pub use api::{
Address, Network, NetworkError, Participant, ParticipantError, Promise, Stream, StreamError,
};
*/

9
network/src/message.rs
View File

@ -4,7 +4,6 @@ use serde::{de::DeserializeOwned, Serialize};
use crate::types::{Mid, Sid};
use byteorder::{NetworkEndian, ReadBytesExt};
use std::sync::Arc;
use tracing::*;
pub(crate) struct MessageBuffer {
// use VecDeque for msg storage, because it allows to quickly remove data from front.
@ -29,13 +28,7 @@ pub(crate) struct InCommingMessage {
}
pub(crate) fn serialize<M: Serialize>(message: &M) -> MessageBuffer {
let mut writer = {
let actual_size = bincode::serialized_size(message).unwrap();
Vec::<u8>::with_capacity(actual_size as usize)
};
if let Err(e) = bincode::serialize_into(&mut writer, message) {
error!("Oh nooo {}", e);
};
let writer = bincode::serialize(message).unwrap();
MessageBuffer { data: writer }
}

140
network/src/metrics.rs
View File

@ -1 +1,141 @@
use prometheus::{IntGauge, IntGaugeVec, Opts, Registry};
use std::{
error::Error,
sync::{
atomic::{AtomicU64, Ordering},
Arc,
},
};
//TODO: switch over to Counter for frames_count, message_count, bytes_send,
// frames_message_count 1 NetworkMetrics per Network
#[allow(dead_code)]
pub struct NetworkMetrics {
pub participants_connected: IntGauge,
// opened Channels, seperated by PARTICIPANT
pub channels_connected: IntGauge,
// opened streams, seperated by PARTICIPANT
pub streams_open: IntGauge,
pub network_info: IntGauge,
// Frames, seperated by CHANNEL (and PARTICIPANT) AND FRAME TYPE,
pub frames_count: IntGaugeVec,
// send Messages, seperated by STREAM (and PARTICIPANT, CHANNEL),
pub message_count: IntGaugeVec,
// send Messages bytes, seperated by STREAM (and PARTICIPANT, CHANNEL),
pub bytes_send: IntGaugeVec,
// Frames, seperated by MESSAGE (and PARTICIPANT, CHANNEL, STREAM),
pub frames_message_count: IntGaugeVec,
// TODO: queued Messages, seperated by STREAM (add PART, CHANNEL),
// queued Messages, seperated by PARTICIPANT
pub queued_count: IntGaugeVec,
// TODO: queued Messages bytes, seperated by STREAM (add PART, CHANNEL),
// queued Messages bytes, seperated by PARTICIPANT
pub queued_bytes: IntGaugeVec,
// ping calculated based on last msg seperated by PARTICIPANT
pub participants_ping: IntGaugeVec,
tick: Arc<AtomicU64>,
}
impl NetworkMetrics {
#[allow(dead_code)]
pub fn new(registry: &Registry, tick: Arc<AtomicU64>) -> Result<Self, Box<dyn Error>> {
let participants_connected = IntGauge::with_opts(Opts::new(
"participants_connected",
"shows the number of participants connected to the network",
))?;
let channels_connected = IntGauge::with_opts(Opts::new(
"channels_connected",
"number of all channels currently connected on the network",
))?;
let streams_open = IntGauge::with_opts(Opts::new(
"streams_open",
"number of all streams currently open on the network",
))?;
let opts = Opts::new("network_info", "Static Network information").const_label(
"version",
&format!(
"{}.{}.{}",
&crate::types::VELOREN_NETWORK_VERSION[0],
&crate::types::VELOREN_NETWORK_VERSION[1],
&crate::types::VELOREN_NETWORK_VERSION[2]
),
);
let network_info = IntGauge::with_opts(opts)?;
let frames_count = IntGaugeVec::from(IntGaugeVec::new(
Opts::new(
"frames_count",
"number of all frames send by streams on the network",
),
&["channel"],
)?);
let message_count = IntGaugeVec::from(IntGaugeVec::new(
Opts::new(
"message_count",
"number of messages send by streams on the network",
),
&["channel"],
)?);
let bytes_send = IntGaugeVec::from(IntGaugeVec::new(
Opts::new("bytes_send", "bytes send by streams on the network"),
&["channel"],
)?);
let frames_message_count = IntGaugeVec::from(IntGaugeVec::new(
Opts::new(
"frames_message_count",
"bytes sends per message on the network",
),
&["channel"],
)?);
let queued_count = IntGaugeVec::from(IntGaugeVec::new(
Opts::new(
"queued_count",
"queued number of messages by participant on the network",
),
&["channel"],
)?);
let queued_bytes = IntGaugeVec::from(IntGaugeVec::new(
Opts::new(
"queued_bytes",
"queued bytes of messages by participant on the network",
),
&["channel"],
)?);
let participants_ping = IntGaugeVec::from(IntGaugeVec::new(
Opts::new(
"participants_ping",
"ping time to participants on the network",
),
&["channel"],
)?);
registry.register(Box::new(participants_connected.clone()))?;
registry.register(Box::new(channels_connected.clone()))?;
registry.register(Box::new(streams_open.clone()))?;
registry.register(Box::new(network_info.clone()))?;
registry.register(Box::new(frames_count.clone()))?;
registry.register(Box::new(message_count.clone()))?;
registry.register(Box::new(bytes_send.clone()))?;
registry.register(Box::new(frames_message_count.clone()))?;
registry.register(Box::new(queued_count.clone()))?;
registry.register(Box::new(queued_bytes.clone()))?;
registry.register(Box::new(participants_ping.clone()))?;
Ok(Self {
participants_connected,
channels_connected,
streams_open,
network_info,
frames_count,
message_count,
bytes_send,
frames_message_count,
queued_count,
queued_bytes,
participants_ping,
tick,
})
}
pub fn _is_100th_tick(&self) -> bool { self.tick.load(Ordering::Relaxed).rem_euclid(100) == 0 }
}

1
network/src/mpsc.rs
View File

@ -1 +0,0 @@

140
network/src/participant.rs
View File

@ -1,18 +1,22 @@
use crate::{
api::Stream,
frames::Frame,
message::{InCommingMessage, MessageBuffer, OutGoingMessage},
types::{Cid, Pid, Prio, Promises, Sid},
types::{Cid, Frame, Pid, Prio, Promises, Sid},
};
use async_std::sync::RwLock;
use futures::{
channel::{mpsc, oneshot},
future::FutureExt,
select,
sink::SinkExt,
stream::StreamExt,
};
use std::{
collections::HashMap,
sync::{Arc, Mutex},
sync::{
atomic::{AtomicBool, Ordering},
Arc, Mutex,
},
};
use tracing::*;
@ -26,6 +30,8 @@ struct ControlChannels {
shutdown_api_sender: mpsc::UnboundedSender<Sid>,
send_outgoing: Arc<Mutex<std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>>>, //api
frame_send_receiver: mpsc::UnboundedReceiver<(Pid, Sid, Frame)>, //scheduler
shutdown_receiver: oneshot::Receiver<()>, //own
stream_finished_request_sender: mpsc::UnboundedSender<(Pid, Sid, oneshot::Sender<()>)>,
}
#[derive(Debug)]
@ -40,7 +46,7 @@ pub struct BParticipant {
Prio,
Promises,
mpsc::UnboundedSender<InCommingMessage>,
oneshot::Sender<()>,
Arc<AtomicBool>,
),
>,
>,
@ -52,6 +58,7 @@ impl BParticipant {
remote_pid: Pid,
offset_sid: Sid,
send_outgoing: std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>,
stream_finished_request_sender: mpsc::UnboundedSender<(Pid, Sid, oneshot::Sender<()>)>,
) -> (
Self,
mpsc::UnboundedSender<(Prio, Promises, oneshot::Sender<Stream>)>,
@ -59,6 +66,7 @@ impl BParticipant {
mpsc::UnboundedSender<(Cid, mpsc::UnboundedSender<Frame>)>,
mpsc::UnboundedSender<Frame>,
mpsc::UnboundedSender<(Pid, Sid, Frame)>,
oneshot::Sender<()>,
) {
let (stream_open_sender, stream_open_receiver) =
mpsc::unbounded::<(Prio, Promises, oneshot::Sender<Stream>)>();
@ -66,20 +74,21 @@ impl BParticipant {
let (transfer_channel_sender, transfer_channel_receiver) =
mpsc::unbounded::<(Cid, mpsc::UnboundedSender<Frame>)>();
let (frame_recv_sender, frame_recv_receiver) = mpsc::unbounded::<Frame>();
//let (shutdown1_sender, shutdown1_receiver) = oneshot::channel();
let (shutdown_api_sender, shutdown_api_receiver) = mpsc::unbounded();
let (frame_send_sender, frame_send_receiver) = mpsc::unbounded::<(Pid, Sid, Frame)>();
let (shutdown_sender, shutdown_receiver) = oneshot::channel();
let run_channels = Some(ControlChannels {
stream_open_receiver,
stream_opened_sender,
transfer_channel_receiver,
frame_recv_receiver,
//shutdown_sender: shutdown1_sender,
shutdown_api_receiver,
shutdown_api_sender,
send_outgoing: Arc::new(Mutex::new(send_outgoing)),
frame_send_receiver,
shutdown_receiver,
stream_finished_request_sender,
});
(
@ -95,11 +104,17 @@ impl BParticipant {
transfer_channel_sender,
frame_recv_sender,
frame_send_sender,
//shutdown1_receiver,
shutdown_sender,
)
}
pub async fn run(mut self) {
//those managers that listen on api::Participant need an additional oneshot for
// shutdown scenario, those handled by scheduler will be closed by it.
let (shutdown_open_manager_sender, shutdown_open_manager_receiver) = oneshot::channel();
let (shutdown_stream_close_manager_sender, shutdown_stream_close_manager_receiver) =
oneshot::channel();
let run_channels = self.run_channels.take().unwrap();
futures::join!(
self.transfer_channel_manager(run_channels.transfer_channel_receiver),
@ -107,6 +122,7 @@ impl BParticipant {
run_channels.stream_open_receiver,
run_channels.shutdown_api_sender.clone(),
run_channels.send_outgoing.clone(),
shutdown_open_manager_receiver,
),
self.handle_frames(
run_channels.frame_recv_receiver,
@ -115,12 +131,23 @@ impl BParticipant {
run_channels.send_outgoing.clone(),
),
self.send_manager(run_channels.frame_send_receiver),
self.shutdown_manager(run_channels.shutdown_api_receiver,),
self.stream_close_manager(
run_channels.shutdown_api_receiver,
shutdown_stream_close_manager_receiver,
run_channels.stream_finished_request_sender,
),
self.shutdown_manager(
run_channels.shutdown_receiver,
vec!(
shutdown_open_manager_sender,
shutdown_stream_close_manager_sender
)
),
);
}
async fn send_frame(&self, frame: Frame) {
// find out ideal channel
// find out ideal channel here
//TODO: just take first
if let Some((_cid, channel)) = self.channels.write().await.get_mut(0) {
channel.send(frame).await.unwrap();
@ -155,10 +182,18 @@ impl BParticipant {
trace!("opened frame from remote");
},
Frame::CloseStream { sid } => {
if let Some((_, _, _, sender)) = self.streams.write().await.remove(&sid) {
sender.send(()).unwrap();
// Closing is realised by setting a AtomicBool to true, however we also have a
// guarantee that send or recv fails if the other one is destroyed
// However Stream.send() is not async and their receiver isn't dropped if Steam
// is dropped, so i need a way to notify the Stream that it's send messages will
// be dropped... from remote, notify local
if let Some((_, _, _, closed)) = self.streams.write().await.remove(&sid) {
closed.store(true, Ordering::Relaxed);
} else {
error!("unreachable, coudln't send close stream event!");
error!(
"couldn't find stream to close, either this is a duplicate message, \
or the local copy of the Stream got closed simultaniously"
);
}
trace!("closed frame from remote");
},
@ -189,6 +224,8 @@ impl BParticipant {
self.streams.write().await.get_mut(&imsg.sid)
{
sender.send(imsg).await.unwrap();
} else {
error!("dropping message as stream no longer seems to exist");
}
}
},
@ -230,6 +267,7 @@ impl BParticipant {
)>,
shutdown_api_sender: mpsc::UnboundedSender<Sid>,
send_outgoing: Arc<Mutex<std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>>>,
shutdown_open_manager_receiver: oneshot::Receiver<()>,
) {
trace!("start open_manager");
let send_outgoing = {
@ -237,7 +275,12 @@ impl BParticipant {
send_outgoing.lock().unwrap().clone()
};
let mut stream_ids = self.offset_sid;
while let Some((prio, promises, sender)) = stream_open_receiver.next().await {
let mut shutdown_open_manager_receiver = shutdown_open_manager_receiver.fuse();
//from api or shutdown signal
while let Some((prio, promises, sender)) = select! {
next = stream_open_receiver.next().fuse() => next,
_ = shutdown_open_manager_receiver => None,
} {
debug!(?prio, ?promises, "got request to open a new steam");
let send_outgoing = send_outgoing.clone();
let sid = stream_ids;
@ -251,21 +294,74 @@ impl BParticipant {
})
.await;
sender.send(stream).unwrap();
stream_ids += 1;
stream_ids += Sid::from(1);
}
trace!("stop open_manager");
}
async fn shutdown_manager(&self, mut shutdown_api_receiver: mpsc::UnboundedReceiver<Sid>) {
async fn shutdown_manager(
&self,
shutdown_receiver: oneshot::Receiver<()>,
mut to_shutdown: Vec<oneshot::Sender<()>>,
) {
trace!("start shutdown_manager");
while let Some(sid) = shutdown_api_receiver.next().await {
trace!(?sid, "got request to close steam");
self.streams.write().await.remove(&sid);
self.send_frame(Frame::CloseStream { sid }).await;
shutdown_receiver.await.unwrap();
debug!("closing all managers");
for sender in to_shutdown.drain(..) {
if sender.send(()).is_err() {
debug!("manager seems to be closed already, weird, maybe a bug");
};
}
debug!("closing all streams");
let mut streams = self.streams.write().await;
for (sid, (_, _, _, closing)) in streams.drain() {
trace!(?sid, "shutting down Stream");
closing.store(true, Ordering::Relaxed);
}
trace!("stop shutdown_manager");
}
async fn stream_close_manager(
&self,
mut shutdown_api_receiver: mpsc::UnboundedReceiver<Sid>,
shutdown_stream_close_manager_receiver: oneshot::Receiver<()>,
mut stream_finished_request_sender: mpsc::UnboundedSender<(Pid, Sid, oneshot::Sender<()>)>,
) {
trace!("start stream_close_manager");
let mut shutdown_stream_close_manager_receiver =
shutdown_stream_close_manager_receiver.fuse();
//from api or shutdown signal
while let Some(sid) = select! {
next = shutdown_api_receiver.next().fuse() => next,
_ = shutdown_stream_close_manager_receiver => None,
} {
trace!(?sid, "got request from api to close steam");
//TODO: wait here till the last prio was send!
//The error is, that the close msg as a control message is send directly, while
// messages are only send after a next prio tick. This means, we
// close it first, and then send the headers and data packages...
// ofc the other side then no longer finds the respective stream.
//however we need to find out when the last message of a stream is send. it
// would be usefull to get a snapshot here, like, this stream has send out to
// msgid n, while the prio only has send m. then sleep as long as n < m maybe...
debug!("IF YOU SEE THIS, FIND A PROPPER FIX FOR CLOSING STREAMS");
let (sender, receiver) = oneshot::channel();
trace!(?sid, "wait for stream to be flushed");
stream_finished_request_sender
.send((self.remote_pid, sid, sender))
.await
.unwrap();
receiver.await.unwrap();
trace!(?sid, "stream was successfully flushed");
self.streams.write().await.remove(&sid);
//from local, notify remote
self.send_frame(Frame::CloseStream { sid }).await;
}
trace!("stop stream_close_manager");
}
async fn create_stream(
&self,
sid: Sid,
@ -275,11 +371,11 @@ impl BParticipant {
shutdown_api_sender: &mpsc::UnboundedSender<Sid>,
) -> Stream {
let (msg_recv_sender, msg_recv_receiver) = mpsc::unbounded::<InCommingMessage>();
let (shutdown1_sender, shutdown1_receiver) = oneshot::channel();
let closed = Arc::new(AtomicBool::new(false));
self.streams
.write()
.await
.insert(sid, (prio, promises, msg_recv_sender, shutdown1_sender));
.insert(sid, (prio, promises, msg_recv_sender, closed.clone()));
Stream::new(
self.remote_pid,
sid,
@ -287,7 +383,7 @@ impl BParticipant {
promises,
send_outgoing,
msg_recv_receiver,
shutdown1_receiver,
closed.clone(),
shutdown_api_sender.clone(),
)
}

68
network/src/prios.rs
View File

@ -7,12 +7,11 @@ Note: TODO: prio0 will be send immeadiatly when found!
*/
use crate::{
frames::Frame,
message::OutGoingMessage,
types::{Pid, Prio, Sid},
types::{Frame, Pid, Prio, Sid},
};
use std::{
collections::{HashSet, VecDeque},
collections::{HashMap, HashSet, VecDeque},
sync::mpsc::{channel, Receiver, Sender},
};
@ -24,6 +23,7 @@ pub(crate) struct PrioManager {
points: [u32; PRIO_MAX],
messages: [VecDeque<(Pid, Sid, OutGoingMessage)>; PRIO_MAX],
messages_rx: Receiver<(Prio, Pid, Sid, OutGoingMessage)>,
pid_sid_owned: HashMap<(Pid, Sid), u64>,
queued: HashSet<u8>,
}
@ -110,6 +110,7 @@ impl PrioManager {
],
messages_rx,
queued: HashSet::new(), //TODO: optimize with u64 and 64 bits
pid_sid_owned: HashMap::new(),
},
messages_tx,
)
@ -117,11 +118,21 @@ impl PrioManager {
fn tick(&mut self) {
// Check Range
let mut times = 0;
for (prio, pid, sid, msg) in self.messages_rx.try_iter() {
debug_assert!(prio as usize <= PRIO_MAX);
trace!(?prio, ?sid, ?pid, "tick");
times += 1;
//trace!(?prio, ?sid, ?pid, "tick");
self.queued.insert(prio);
self.messages[prio as usize].push_back((pid, sid, msg));
if let Some(cnt) = self.pid_sid_owned.get_mut(&(pid, sid)) {
*cnt += 1;
} else {
self.pid_sid_owned.insert((pid, sid), 1);
}
}
if times > 0 {
trace!(?times, "tick");
}
}
@ -191,7 +202,7 @@ impl PrioManager {
for _ in 0..no_of_frames {
match self.calc_next_prio() {
Some(prio) => {
trace!(?prio, "handle next prio");
//trace!(?prio, "handle next prio");
self.points[prio as usize] += Self::PRIOS[prio as usize];
//pop message from front of VecDeque, handle it and push it back, so that all
// => messages with same prio get a fair chance :)
@ -204,6 +215,15 @@ impl PrioManager {
if self.messages[prio as usize].is_empty() {
self.queued.remove(&prio);
}
//decrease pid_sid counter by 1 again
let cnt = self.pid_sid_owned.get_mut(&(pid, sid)).expect(
"the pid_sid_owned counter works wrong, more pid,sid removed \
than inserted",
);
*cnt -= 1;
if *cnt == 0 {
self.pid_sid_owned.remove(&(pid, sid));
}
} else {
self.messages[prio as usize].push_back((pid, sid, msg));
//trace!(?m.mid, "repush message");
@ -221,6 +241,12 @@ impl PrioManager {
}
}
}
/// if you want to make sure to empty the prio of a single pid and sid, use
/// this
pub(crate) fn contains_pid_sid(&self, pid: Pid, sid: Sid) -> bool {
self.pid_sid_owned.contains_key(&(pid, sid))
}
}
impl std::fmt::Debug for PrioManager {
@ -237,17 +263,17 @@ impl std::fmt::Debug for PrioManager {
#[cfg(test)]
mod tests {
use crate::{
frames::Frame,
message::{MessageBuffer, OutGoingMessage},
prios::*,
types::{Pid, Prio, Sid},
types::{Frame, Pid, Prio, Sid},
};
use std::{collections::VecDeque, sync::Arc};
const SIZE: u64 = PrioManager::FRAME_DATA_SIZE;
const USIZE: usize = PrioManager::FRAME_DATA_SIZE as usize;
fn mock_out(prio: Prio, sid: Sid) -> (Prio, Pid, Sid, OutGoingMessage) {
fn mock_out(prio: Prio, sid: u64) -> (Prio, Pid, Sid, OutGoingMessage) {
let sid = Sid::new(sid);
(prio, Pid::fake(0), sid, OutGoingMessage {
buffer: Arc::new(MessageBuffer {
data: vec![48, 49, 50],
@ -258,7 +284,8 @@ mod tests {
})
}
fn mock_out_large(prio: Prio, sid: Sid) -> (Prio, Pid, Sid, OutGoingMessage) {
fn mock_out_large(prio: Prio, sid: u64) -> (Prio, Pid, Sid, OutGoingMessage) {
let sid = Sid::new(sid);
let mut data = vec![48; USIZE];
data.append(&mut vec![49; USIZE]);
data.append(&mut vec![50; 20]);
@ -270,14 +297,14 @@ mod tests {
})
}
fn assert_header(frames: &mut VecDeque<(Pid, Sid, Frame)>, f_sid: Sid, f_length: u64) {
fn assert_header(frames: &mut VecDeque<(Pid, Sid, Frame)>, f_sid: u64, f_length: u64) {
let frame = frames
.pop_front()
.expect("frames vecdeque doesn't contain enough frames!")
.2;
if let Frame::DataHeader { mid, sid, length } = frame {
assert_eq!(mid, 1);
assert_eq!(sid, f_sid);
assert_eq!(sid, Sid::new(f_sid));
assert_eq!(length, f_length);
} else {
panic!("wrong frame type!, expected DataHeader");
@ -298,6 +325,14 @@ mod tests {
}
}
fn assert_contains(mgr: &PrioManager, sid: u64) {
assert!(mgr.contains_pid_sid(Pid::fake(0), Sid::new(sid)));
}
fn assert_no_contains(mgr: &PrioManager, sid: u64) {
assert!(!mgr.contains_pid_sid(Pid::fake(0), Sid::new(sid)));
}
#[test]
fn single_p16() {
let (mut mgr, tx) = PrioManager::new();
@ -316,8 +351,13 @@ mod tests {
tx.send(mock_out(16, 1337)).unwrap();
tx.send(mock_out(20, 42)).unwrap();
let mut frames = VecDeque::new();
mgr.fill_frames(100, &mut frames);
assert_no_contains(&mgr, 1337);
assert_no_contains(&mgr, 42);
assert_no_contains(&mgr, 666);
assert_header(&mut frames, 1337, 3);
assert_data(&mut frames, 0, vec![48, 49, 50]);
assert_header(&mut frames, 42, 3);
@ -382,8 +422,14 @@ mod tests {
tx.send(mock_out(16, 9)).unwrap();
tx.send(mock_out(16, 11)).unwrap();
tx.send(mock_out(20, 13)).unwrap();
let mut frames = VecDeque::new();
mgr.fill_frames(3, &mut frames);
assert_no_contains(&mgr, 1);
assert_no_contains(&mgr, 3);
assert_contains(&mgr, 13);
for i in 1..4 {
assert_header(&mut frames, i, 3);
assert_data(&mut frames, 0, vec![48, 49, 50]);

269
network/src/protocols.rs Normal file
View File

@ -0,0 +1,269 @@
use crate::types::Frame;
use async_std::{
net::{TcpStream, UdpSocket},
prelude::*,
sync::RwLock,
};
use futures::{channel::mpsc, future::FutureExt, select, sink::SinkExt, stream::StreamExt};
use std::{net::SocketAddr, sync::Arc};
use tracing::*;
#[derive(Debug)]
pub(crate) enum Protocols {
Tcp(TcpProtocol),
Udp(UdpProtocol),
//Mpsc(MpscChannel),
}
#[derive(Debug)]
pub(crate) struct TcpProtocol {
stream: TcpStream,
}
#[derive(Debug)]
pub(crate) struct UdpProtocol {
socket: Arc<UdpSocket>,
remote_addr: SocketAddr,
data_in: RwLock<mpsc::UnboundedReceiver<Vec<u8>>>,
}
impl TcpProtocol {
pub(crate) fn new(stream: TcpStream) -> Self { Self { stream } }
pub async fn read(&self, mut frame_handler: mpsc::UnboundedSender<Frame>) {
let mut stream = self.stream.clone();
let mut buffer = NetworkBuffer::new();
loop {
match stream.read(buffer.get_write_slice(2048)).await {
Ok(0) => {
debug!(?buffer, "shutdown of tcp channel detected");
frame_handler.send(Frame::Shutdown).await.unwrap();
break;
},
Ok(n) => {
buffer.actually_written(n);
trace!("incomming message with len: {}", n);
let slice = buffer.get_read_slice();
let mut cur = std::io::Cursor::new(slice);
let mut read_ok = 0;
while cur.position() < n as u64 {
let round_start = cur.position() as usize;
let r: Result<Frame, _> = bincode::deserialize_from(&mut cur);
match r {
Ok(frame) => {
frame_handler.send(frame).await.unwrap();
read_ok = cur.position() as usize;
},
Err(e) => {
// Probably we have to wait for moare data!
let first_bytes_of_msg =
&slice[round_start..std::cmp::min(n, round_start + 16)];
trace!(
?buffer,
?e,
?n,
?round_start,
?first_bytes_of_msg,
"message cant be parsed, probably because we need to wait for \
more data"
);
break;
},
}
}
buffer.actually_read(read_ok);
},
Err(e) => panic!("{}", e),
}
}
}
//dezerialize here as this is executed in a seperate thread PER channel.
// Limites Throughput per single Receiver but stays in same thread (maybe as its
// in a threadpool) for TCP, UDP and MPSC
pub async fn write(
&self,
mut internal_frame_receiver: mpsc::UnboundedReceiver<Frame>,
mut external_frame_receiver: mpsc::UnboundedReceiver<Frame>,
) {
let mut stream = self.stream.clone();
while let Some(frame) = select! {
next = internal_frame_receiver.next().fuse() => next,
next = external_frame_receiver.next().fuse() => next,
} {
let data = bincode::serialize(&frame).unwrap();
let len = data.len();
trace!(?len, "going to send frame via Tcp");
stream.write_all(data.as_slice()).await.unwrap();
}
}
}
impl UdpProtocol {
pub(crate) fn new(
socket: Arc<UdpSocket>,
remote_addr: SocketAddr,
data_in: mpsc::UnboundedReceiver<Vec<u8>>,
) -> Self {
Self {
socket,
remote_addr,
data_in: RwLock::new(data_in),
}
}
pub async fn read(&self, mut frame_handler: mpsc::UnboundedSender<Frame>) {
let mut data_in = self.data_in.write().await;
let mut buffer = NetworkBuffer::new();
while let Some(data) = data_in.next().await {
let n = data.len();
let slice = &mut buffer.get_write_slice(n)[0..n]; //get_write_slice can return more then n!
slice.clone_from_slice(data.as_slice());
buffer.actually_written(n);
trace!("incomming message with len: {}", n);
let slice = buffer.get_read_slice();
let mut cur = std::io::Cursor::new(slice);
let mut read_ok = 0;
while cur.position() < n as u64 {
let round_start = cur.position() as usize;
let r: Result<Frame, _> = bincode::deserialize_from(&mut cur);
match r {
Ok(frame) => {
frame_handler.send(frame).await.unwrap();
read_ok = cur.position() as usize;
},
Err(e) => {
// Probably we have to wait for moare data!
let first_bytes_of_msg =
&slice[round_start..std::cmp::min(n, round_start + 16)];
debug!(
?buffer,
?e,
?n,
?round_start,
?first_bytes_of_msg,
"message cant be parsed, probably because we need to wait for more \
data"
);
break;
},
}
}
buffer.actually_read(read_ok);
}
}
pub async fn write(
&self,
mut internal_frame_receiver: mpsc::UnboundedReceiver<Frame>,
mut external_frame_receiver: mpsc::UnboundedReceiver<Frame>,
) {
let mut buffer = NetworkBuffer::new();
while let Some(frame) = select! {
next = internal_frame_receiver.next().fuse() => next,
next = external_frame_receiver.next().fuse() => next,
} {
let len = bincode::serialized_size(&frame).unwrap() as usize;
match bincode::serialize_into(buffer.get_write_slice(len), &frame) {
Ok(_) => buffer.actually_written(len),
Err(e) => error!("Oh nooo {}", e),
};
trace!(?len, "going to send frame via Udp");
let mut to_send = buffer.get_read_slice();
while to_send.len() > 0 {
match self.socket.send_to(to_send, self.remote_addr).await {
Ok(n) => buffer.actually_read(n),
Err(e) => error!(?e, "need to handle that error!"),
}
to_send = buffer.get_read_slice();
}
}
}
}
// INTERNAL NetworkBuffer
struct NetworkBuffer {
pub(crate) data: Vec<u8>,
pub(crate) read_idx: usize,
pub(crate) write_idx: usize,
}
/// NetworkBuffer to use for streamed access
/// valid data is between read_idx and write_idx!
/// everything before read_idx is already processed and no longer important
/// everything after write_idx is either 0 or random data buffered
impl NetworkBuffer {
fn new() -> Self {
NetworkBuffer {
data: vec![0; 2048],
read_idx: 0,
write_idx: 0,
}
}
fn get_write_slice(&mut self, min_size: usize) -> &mut [u8] {
if self.data.len() < self.write_idx + min_size {
trace!(
?self,
?min_size,
"need to resize because buffer is to small"
);
self.data.resize(self.write_idx + min_size, 0);
}
&mut self.data[self.write_idx..]
}
fn actually_written(&mut self, cnt: usize) { self.write_idx += cnt; }
fn get_read_slice(&self) -> &[u8] { &self.data[self.read_idx..self.write_idx] }
fn actually_read(&mut self, cnt: usize) {
self.read_idx += cnt;
if self.read_idx == self.write_idx {
if self.read_idx > 10485760 {
trace!(?self, "buffer empty, resetting indices");
}
self.read_idx = 0;
self.write_idx = 0;
}
if self.write_idx > 10485760 {
if self.write_idx - self.read_idx < 65536 {
debug!(
?self,
"This buffer is filled over 10 MB, but the actual data diff is less then \
65kB, which is a sign of stressing this connection much as always new data \
comes in - nevertheless, in order to handle this we will remove some data \
now so that this buffer doesn't grow endlessly"
);
let mut i2 = 0;
for i in self.read_idx..self.write_idx {
self.data[i2] = self.data[i];
i2 += 1;
}
self.read_idx = 0;
self.write_idx = i2;
}
if self.data.len() > 67108864 {
warn!(
?self,
"over 64Mbyte used, something seems fishy, len: {}",
self.data.len()
);
}
}
}
}
impl std::fmt::Debug for NetworkBuffer {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"NetworkBuffer(len: {}, read: {}, write: {})",
self.data.len(),
self.read_idx,
self.write_idx
)
}
}

667
network/src/scheduler.rs
View File

@ -1,13 +1,16 @@
use crate::{
api::{Address, Participant},
channel::Channel,
frames::Frame,
message::OutGoingMessage,
participant::BParticipant,
prios::PrioManager,
types::{Cid, Pid, Prio, Sid},
protocols::{Protocols, TcpProtocol, UdpProtocol},
types::{Cid, Frame, Pid, Prio, Sid},
};
use async_std::{
io, net,
sync::{Mutex, RwLock},
};
use async_std::sync::RwLock;
use futures::{
channel::{mpsc, oneshot},
executor::ThreadPool,
@ -27,13 +30,23 @@ use tracing::*;
use tracing_futures::Instrument;
//use futures::prelude::*;
type ParticipantInfo = (
mpsc::UnboundedSender<(Cid, mpsc::UnboundedSender<Frame>)>,
mpsc::UnboundedSender<Frame>,
mpsc::UnboundedSender<(Pid, Sid, Frame)>,
oneshot::Sender<()>,
);
type UnknownChannelInfo = (
mpsc::UnboundedSender<Frame>,
Option<oneshot::Sender<io::Result<Participant>>>,
);
#[derive(Debug)]
struct ControlChannels {
listen_receiver: mpsc::UnboundedReceiver<Address>,
connect_receiver: mpsc::UnboundedReceiver<(Address, oneshot::Sender<Participant>)>,
listen_receiver: mpsc::UnboundedReceiver<(Address, oneshot::Sender<io::Result<()>>)>,
connect_receiver: mpsc::UnboundedReceiver<(Address, oneshot::Sender<io::Result<Participant>>)>,
connected_sender: mpsc::UnboundedSender<Participant>,
shutdown_receiver: oneshot::Receiver<()>,
prios: PrioManager,
prios_sender: std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>,
}
@ -43,32 +56,12 @@ pub struct Scheduler {
closed: AtomicBool,
pool: Arc<ThreadPool>,
run_channels: Option<ControlChannels>,
participants: Arc<
RwLock<
HashMap<
Pid,
(
mpsc::UnboundedSender<(Cid, mpsc::UnboundedSender<Frame>)>,
mpsc::UnboundedSender<Frame>,
mpsc::UnboundedSender<(Pid, Sid, Frame)>,
),
>,
>,
>,
participants: Arc<RwLock<HashMap<Pid, ParticipantInfo>>>,
participant_from_channel: Arc<RwLock<HashMap<Cid, Pid>>>,
channel_ids: Arc<AtomicU64>,
channel_listener: RwLock<HashMap<Address, oneshot::Sender<()>>>,
unknown_channels: Arc<
RwLock<
HashMap<
Cid,
(
mpsc::UnboundedSender<Frame>,
Option<oneshot::Sender<Participant>>,
),
>,
>,
>,
unknown_channels: Arc<RwLock<HashMap<Cid, UnknownChannelInfo>>>,
prios: Arc<Mutex<PrioManager>>,
}
impl Scheduler {
@ -76,14 +69,15 @@ impl Scheduler {
local_pid: Pid,
) -> (
Self,
mpsc::UnboundedSender<Address>,
mpsc::UnboundedSender<(Address, oneshot::Sender<Participant>)>,
mpsc::UnboundedSender<(Address, oneshot::Sender<io::Result<()>>)>,
mpsc::UnboundedSender<(Address, oneshot::Sender<io::Result<Participant>>)>,
mpsc::UnboundedReceiver<Participant>,
oneshot::Sender<()>,
) {
let (listen_sender, listen_receiver) = mpsc::unbounded::<Address>();
let (listen_sender, listen_receiver) =
mpsc::unbounded::<(Address, oneshot::Sender<io::Result<()>>)>();
let (connect_sender, connect_receiver) =
mpsc::unbounded::<(Address, oneshot::Sender<Participant>)>();
mpsc::unbounded::<(Address, oneshot::Sender<io::Result<Participant>>)>();
let (connected_sender, connected_receiver) = mpsc::unbounded::<Participant>();
let (shutdown_sender, shutdown_receiver) = oneshot::channel::<()>();
let (prios, prios_sender) = PrioManager::new();
@ -93,7 +87,6 @@ impl Scheduler {
connect_receiver,
connected_sender,
shutdown_receiver,
prios,
prios_sender,
});
@ -108,6 +101,7 @@ impl Scheduler {
channel_ids: Arc::new(AtomicU64::new(0)),
channel_listener: RwLock::new(HashMap::new()),
unknown_channels: Arc::new(RwLock::new(HashMap::new())),
prios: Arc::new(Mutex::new(prios)),
},
listen_sender,
connect_sender,
@ -118,8 +112,10 @@ impl Scheduler {
pub async fn run(mut self) {
let (part_out_sender, part_out_receiver) = mpsc::unbounded::<(Cid, Frame)>();
let (configured_sender, configured_receiver) = mpsc::unbounded::<(Cid, Pid, Sid)>();
let (configured_sender, configured_receiver) =
mpsc::unbounded::<(Cid, Pid, Sid, oneshot::Sender<()>)>();
let (disconnect_sender, disconnect_receiver) = mpsc::unbounded::<Pid>();
let (stream_finished_request_sender, stream_finished_request_receiver) = mpsc::unbounded();
let run_channels = self.run_channels.take().unwrap();
futures::join!(
@ -134,7 +130,8 @@ impl Scheduler {
configured_sender,
),
self.disconnect_manager(disconnect_receiver,),
self.send_outgoing(run_channels.prios),
self.send_outgoing(),
self.stream_finished_manager(stream_finished_request_receiver),
self.shutdown_manager(run_channels.shutdown_receiver),
self.handle_frames(part_out_receiver),
self.channel_configurer(
@ -142,18 +139,19 @@ impl Scheduler {
configured_receiver,
disconnect_sender,
run_channels.prios_sender.clone(),
stream_finished_request_sender.clone(),
),
);
}
async fn listen_manager(
&self,
mut listen_receiver: mpsc::UnboundedReceiver<Address>,
mut listen_receiver: mpsc::UnboundedReceiver<(Address, oneshot::Sender<io::Result<()>>)>,
part_out_sender: mpsc::UnboundedSender<(Cid, Frame)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid, oneshot::Sender<()>)>,
) {
trace!("start listen_manager");
while let Some(address) = listen_receiver.next().await {
while let Some((address, result_sender)) = listen_receiver.next().await {
debug!(?address, "got request to open a channel_creator");
let (end_sender, end_receiver) = oneshot::channel::<()>();
self.channel_listener
@ -169,6 +167,7 @@ impl Scheduler {
part_out_sender.clone(),
configured_sender.clone(),
self.unknown_channels.clone(),
result_sender,
));
}
trace!("stop listen_manager");
@ -176,33 +175,72 @@ impl Scheduler {
async fn connect_manager(
&self,
mut connect_receiver: mpsc::UnboundedReceiver<(Address, oneshot::Sender<Participant>)>,
mut connect_receiver: mpsc::UnboundedReceiver<(
Address,
oneshot::Sender<io::Result<Participant>>,
)>,
part_out_sender: mpsc::UnboundedSender<(Cid, Frame)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid, oneshot::Sender<()>)>,
) {
trace!("start connect_manager");
while let Some((addr, pid_sender)) = connect_receiver.next().await {
match addr {
Address::Tcp(addr) => {
let stream = async_std::net::TcpStream::connect(addr).await.unwrap();
info!("Connectiong TCP to: {}", stream.peer_addr().unwrap());
let (part_in_sender, part_in_receiver) = mpsc::unbounded::<Frame>();
//channels are unknown till PID is known!
let cid = self.channel_ids.fetch_add(1, Ordering::Relaxed);
self.unknown_channels
.write()
.await
.insert(cid, (part_in_sender, Some(pid_sender)));
self.pool.spawn_ok(
Channel::new(cid, self.local_pid)
.run(
stream,
part_in_receiver,
part_out_sender.clone(),
configured_sender.clone(),
let stream = match net::TcpStream::connect(addr).await {
Ok(stream) => stream,
Err(e) => {
pid_sender.send(Err(e)).unwrap();
continue;
},
};
info!("Connecting Tcp to: {}", stream.peer_addr().unwrap());
Self::init_protocol(
&self.channel_ids,
self.local_pid,
addr,
&self.pool,
&part_out_sender,
&configured_sender,
&self.unknown_channels,
Protocols::Tcp(TcpProtocol::new(stream)),
Some(pid_sender),
false,
)
.instrument(tracing::info_span!("channel", ?addr)),
.await;
},
Address::Udp(addr) => {
let socket = match net::UdpSocket::bind("0.0.0.0:0").await {
Ok(socket) => Arc::new(socket),
Err(e) => {
pid_sender.send(Err(e)).unwrap();
continue;
},
};
if let Err(e) = socket.connect(addr).await {
pid_sender.send(Err(e)).unwrap();
continue;
};
info!("Connecting Udp to: {}", addr);
let (udp_data_sender, udp_data_receiver) = mpsc::unbounded::<Vec<u8>>();
let protocol =
Protocols::Udp(UdpProtocol::new(socket.clone(), addr, udp_data_receiver));
self.pool.spawn_ok(
Self::udp_single_channel_connect(socket.clone(), udp_data_sender)
.instrument(tracing::info_span!("udp", ?addr)),
);
Self::init_protocol(
&self.channel_ids,
self.local_pid,
addr,
&self.pool,
&part_out_sender,
&configured_sender,
&self.unknown_channels,
protocol,
Some(pid_sender),
true,
)
.await;
},
_ => unimplemented!(),
}
@ -213,22 +251,33 @@ impl Scheduler {
async fn disconnect_manager(&self, mut disconnect_receiver: mpsc::UnboundedReceiver<Pid>) {
trace!("start disconnect_manager");
while let Some(pid) = disconnect_receiver.next().await {
error!(?pid, "I need to disconnect the pid");
//Closing Participants is done the following way:
// 1. We drop our senders and receivers
// 2. we need to close BParticipant, this will drop its senderns and receivers
// 3. Participant will try to access the BParticipant senders and receivers with
// their next api action, it will fail and be closed then.
if let Some((_, _, _, sender)) = self.participants.write().await.remove(&pid) {
sender.send(()).unwrap();
}
}
trace!("stop disconnect_manager");
}
async fn send_outgoing(&self, mut prios: PrioManager) {
async fn send_outgoing(&self) {
//This time equals the MINIMUM Latency in average, so keep it down and //Todo:
// make it configureable or switch to await E.g. Prio 0 = await, prio 50
// wait for more messages
const TICK_TIME: std::time::Duration = std::time::Duration::from_millis(10);
const FRAMES_PER_TICK: usize = 1000000;
trace!("start send_outgoing");
while !self.closed.load(Ordering::Relaxed) {
let mut frames = VecDeque::new();
prios.fill_frames(3, &mut frames);
self.prios
.lock()
.await
.fill_frames(FRAMES_PER_TICK, &mut frames);
for (pid, sid, frame) in frames {
if let Some((_, _, sender)) = self.participants.write().await.get_mut(&pid) {
if let Some((_, _, sender, _)) = self.participants.write().await.get_mut(&pid) {
sender.send((pid, sid, frame)).await.unwrap();
}
}
@ -242,7 +291,7 @@ impl Scheduler {
while let Some((cid, frame)) = part_out_receiver.next().await {
trace!("handling frame");
if let Some(pid) = self.participant_from_channel.read().await.get(&cid) {
if let Some((_, sender, _)) = self.participants.write().await.get_mut(&pid) {
if let Some((_, sender, _, _)) = self.participants.write().await.get_mut(&pid) {
sender.send(frame).await.unwrap();
}
} else {
@ -256,12 +305,13 @@ impl Scheduler {
async fn channel_configurer(
&self,
mut connected_sender: mpsc::UnboundedSender<Participant>,
mut receiver: mpsc::UnboundedReceiver<(Cid, Pid, Sid)>,
mut receiver: mpsc::UnboundedReceiver<(Cid, Pid, Sid, oneshot::Sender<()>)>,
disconnect_sender: mpsc::UnboundedSender<Pid>,
prios_sender: std::sync::mpsc::Sender<(Prio, Pid, Sid, OutGoingMessage)>,
stream_finished_request_sender: mpsc::UnboundedSender<(Pid, Sid, oneshot::Sender<()>)>,
) {
trace!("start channel_activator");
while let Some((cid, pid, offset_sid)) = receiver.next().await {
while let Some((cid, pid, offset_sid, sender)) = receiver.next().await {
if let Some((frame_sender, pid_oneshot)) =
self.unknown_channels.write().await.remove(&cid)
{
@ -273,8 +323,6 @@ impl Scheduler {
let mut participants = self.participants.write().await;
if !participants.contains_key(&pid) {
debug!(?cid, "new participant connected via a channel");
let (shutdown_sender, shutdown_receiver) = oneshot::channel();
let (
bparticipant,
stream_open_sender,
@ -282,19 +330,24 @@ impl Scheduler {
mut transfer_channel_receiver,
frame_recv_sender,
frame_send_sender,
) = BParticipant::new(pid, offset_sid, prios_sender.clone());
shutdown_sender,
) = BParticipant::new(
pid,
offset_sid,
prios_sender.clone(),
stream_finished_request_sender.clone(),
);
let participant = Participant::new(
self.local_pid,
pid,
stream_open_sender,
stream_opened_receiver,
shutdown_receiver,
disconnect_sender.clone(),
);
if let Some(pid_oneshot) = pid_oneshot {
// someone is waiting with connect, so give them their PID
pid_oneshot.send(participant).unwrap();
pid_oneshot.send(Ok(participant)).unwrap();
} else {
// noone is waiting on this Participant, return in to Network
connected_sender.send(participant).await.unwrap();
@ -309,6 +362,7 @@ impl Scheduler {
transfer_channel_receiver,
frame_recv_sender,
frame_send_sender,
shutdown_sender,
),
);
self.participant_from_channel.write().await.insert(cid, pid);
@ -323,42 +377,112 @@ impl Scheduler {
a attack to "
)
}
sender.send(()).unwrap();
}
}
trace!("stop channel_activator");
}
pub async fn shutdown_manager(&self, receiver: oneshot::Receiver<()>) {
// requested by participant when stream wants to close from api, checking if no
// more msg is in prio and return
pub(crate) async fn stream_finished_manager(
&self,
mut stream_finished_request_receiver: mpsc::UnboundedReceiver<(
Pid,
Sid,
oneshot::Sender<()>,
)>,
) {
trace!("start stream_finished_manager");
while let Some((pid, sid, sender)) = stream_finished_request_receiver.next().await {
//TODO: THERE MUST BE A MORE CLEVER METHOD THAN SPIN LOCKING! LIKE REGISTERING
// DIRECTLY IN PRIO AS A FUTURE WERE PRIO IS WAKER! TODO: also this
// has a great potential for handing network, if you create a network, send
// gigabytes close it then. Also i need a Mutex, which really adds
// to cost if alot strems want to close
let prios = self.prios.clone();
self.pool
.spawn_ok(Self::stream_finished_waiter(pid, sid, sender, prios));
}
}
async fn stream_finished_waiter(
pid: Pid,
sid: Sid,
sender: oneshot::Sender<()>,
prios: Arc<Mutex<PrioManager>>,
) {
const TICK_TIME: std::time::Duration = std::time::Duration::from_millis(5);
//TODO: ARRRG, i need to wait for AT LEAST 1 TICK, because i am lazy i just
// wait 15mn and tick count is 10ms because recv is only done with a
// tick and not async as soon as we send....
async_std::task::sleep(TICK_TIME * 3).await;
let mut n = 0u64;
loop {
if !prios.lock().await.contains_pid_sid(pid, sid) {
trace!("prio is clear, go to close stream as requested from api");
sender.send(()).unwrap();
break;
}
n += 1;
if n > 200 {
warn!(
?pid,
?sid,
?n,
"cant close stream, as it still queued, even after 1000ms, this starts to \
take long"
);
async_std::task::sleep(TICK_TIME * 50).await;
} else {
async_std::task::sleep(TICK_TIME).await;
}
}
}
pub(crate) async fn shutdown_manager(&self, receiver: oneshot::Receiver<()>) {
trace!("start shutdown_manager");
receiver.await.unwrap();
self.closed.store(true, Ordering::Relaxed);
debug!("shutting down all BParticipants gracefully");
let mut participants = self.participants.write().await;
for (pid, (_, _, _, sender)) in participants.drain() {
trace!(?pid, "shutting down BParticipants");
sender.send(()).unwrap();
}
trace!("stop shutdown_manager");
}
pub async fn channel_creator(
pub(crate) async fn channel_creator(
channel_ids: Arc<AtomicU64>,
local_pid: Pid,
addr: Address,
end_receiver: oneshot::Receiver<()>,
pool: Arc<ThreadPool>,
part_out_sender: mpsc::UnboundedSender<(Cid, Frame)>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid)>,
unknown_channels: Arc<
RwLock<
HashMap<
Cid,
(
mpsc::UnboundedSender<Frame>,
Option<oneshot::Sender<Participant>>,
),
>,
>,
>,
configured_sender: mpsc::UnboundedSender<(Cid, Pid, Sid, oneshot::Sender<()>)>,
unknown_channels: Arc<RwLock<HashMap<Cid, UnknownChannelInfo>>>,
result_sender: oneshot::Sender<io::Result<()>>,
) {
info!(?addr, "start up channel creator");
match addr {
Address::Tcp(addr) => {
let listener = async_std::net::TcpListener::bind(addr).await.unwrap();
let listener = match net::TcpListener::bind(addr).await {
Ok(listener) => {
result_sender.send(Ok(())).unwrap();
listener
},
Err(e) => {
info!(
?addr,
?e,
"listener couldn't be started due to error on tcp bind"
);
result_sender.send(Err(e)).unwrap();
return;
},
};
trace!(?addr, "listener bound");
let mut incoming = listener.incoming();
let mut end_receiver = end_receiver.fuse();
while let Some(stream) = select! {
@ -366,7 +490,118 @@ impl Scheduler {
_ = end_receiver => None,
} {
let stream = stream.unwrap();
info!("Accepting TCP from: {}", stream.peer_addr().unwrap());
info!("Accepting Tcp from: {}", stream.peer_addr().unwrap());
Self::init_protocol(
&channel_ids,
local_pid,
addr,
&pool,
&part_out_sender,
&configured_sender,
&unknown_channels,
Protocols::Tcp(TcpProtocol::new(stream)),
None,
true,
)
.await;
}
},
Address::Udp(addr) => {
let socket = match net::UdpSocket::bind(addr).await {
Ok(socket) => {
result_sender.send(Ok(())).unwrap();
Arc::new(socket)
},
Err(e) => {
info!(
?addr,
?e,
"listener couldn't be started due to error on udp bind"
);
result_sender.send(Err(e)).unwrap();
return;
},
};
trace!(?addr, "listener bound");
// receiving is done from here and will be piped to protocol as UDP does not
// have any state
let mut listeners = HashMap::new();
let mut end_receiver = end_receiver.fuse();
let mut data = [0u8; 9216];
while let Ok((size, remote_addr)) = select! {
next = socket.recv_from(&mut data).fuse() => next,
_ = end_receiver => Err(std::io::Error::new(std::io::ErrorKind::Other, "")),
} {
let mut datavec = Vec::with_capacity(size);
datavec.extend_from_slice(&data[0..size]);
if !listeners.contains_key(&remote_addr) {
info!("Accepting Udp from: {}", &remote_addr);
let (udp_data_sender, udp_data_receiver) = mpsc::unbounded::<Vec<u8>>();
listeners.insert(remote_addr.clone(), udp_data_sender);
let protocol = Protocols::Udp(UdpProtocol::new(
socket.clone(),
remote_addr,
udp_data_receiver,
));
Self::init_protocol(
&channel_ids,
local_pid,
addr,
&pool,
&part_out_sender,
&configured_sender,
&unknown_channels,
protocol,
None,
true,
)
.await;
}
let udp_data_sender = listeners.get_mut(&remote_addr).unwrap();
udp_data_sender.send(datavec).await.unwrap();
}
},
_ => unimplemented!(),
}
info!(?addr, "ending channel creator");
}
pub(crate) async fn udp_single_channel_connect(
socket: Arc<net::UdpSocket>,
mut udp_data_sender: mpsc::UnboundedSender<Vec<u8>>,
) {
let addr = socket.local_addr();
info!(?addr, "start udp_single_channel_connect");
//TODO: implement real closing
let (_end_sender, end_receiver) = oneshot::channel::<()>();
// receiving is done from here and will be piped to protocol as UDP does not
// have any state
let mut end_receiver = end_receiver.fuse();
let mut data = [0u8; 9216];
while let Ok(size) = select! {
next = socket.recv(&mut data).fuse() => next,
_ = end_receiver => Err(std::io::Error::new(std::io::ErrorKind::Other, "")),
} {
let mut datavec = Vec::with_capacity(size);
datavec.extend_from_slice(&data[0..size]);
udp_data_sender.send(datavec).await.unwrap();
}
info!(?addr, "stop udp_single_channel_connect");
}
async fn init_protocol(
channel_ids: &Arc<AtomicU64>,
local_pid: Pid,
addr: std::net::SocketAddr,
pool: &Arc<ThreadPool>,
part_out_sender: &mpsc::UnboundedSender<(Cid, Frame)>,
configured_sender: &mpsc::UnboundedSender<(Cid, Pid, Sid, oneshot::Sender<()>)>,
unknown_channels: &Arc<RwLock<HashMap<Cid, UnknownChannelInfo>>>,
protocol: Protocols,
pid_sender: Option<oneshot::Sender<io::Result<Participant>>>,
send_handshake: bool,
) {
let (mut part_in_sender, part_in_receiver) = mpsc::unbounded::<Frame>();
//channels are unknown till PID is known!
/* When A connects to a NETWORK, we, the listener answers with a Handshake.
@ -376,11 +611,13 @@ impl Scheduler {
*/
let cid = channel_ids.fetch_add(1, Ordering::Relaxed);
let channel = Channel::new(cid, local_pid);
if send_handshake {
channel.send_handshake(&mut part_in_sender).await;
}
pool.spawn_ok(
channel
.run(
stream,
protocol,
part_in_receiver,
part_out_sender.clone(),
configured_sender.clone(),
@ -390,260 +627,6 @@ impl Scheduler {
unknown_channels
.write()
.await
.insert(cid, (part_in_sender, None));
}
},
_ => unimplemented!(),
}
info!(?addr, "ending channel creator");
.insert(cid, (part_in_sender, pid_sender));
}
}
/*
use crate::{
async_serde,
channel::{Channel, ChannelProtocol, ChannelProtocols},
controller::Controller,
metrics::NetworkMetrics,
prios::PrioManager,
tcp::TcpChannel,
types::{CtrlMsg, Pid, RtrnMsg, Sid, TokenObjects},
};
use std::{
collections::{HashMap, VecDeque},
sync::{
atomic::{AtomicBool, Ordering},
mpsc,
mpsc::TryRecvError,
Arc,
},
time::Instant,
};
use tlid;
use tracing::*;
use crate::types::Protocols;
use crate::frames::{ChannelFrame, ParticipantFrame, StreamFrame, Frame};
/*
The worker lives in a own thread and only communcates with the outside via a Channel
Prios are done per participant, but their throughput is split equalli,
That allows indepentend calculation of prios (no global hotspot) while no Participant is starved as the total throughput is measured and aproximated :)
streams are per participant, and channels are per participants, streams dont have a specific channel!
*/
use async_std::sync::RwLock;
use async_std::io::prelude::*;
use crate::async_serde::{SerializeFuture, DeserializeFuture};
use uvth::ThreadPoolBuilder;
use async_std::stream::Stream;
use async_std::sync::{self, Sender, Receiver};
use crate::types::{VELOREN_MAGIC_NUMBER, VELOREN_NETWORK_VERSION,};
use crate::message::InCommingMessage;
use futures::channel::mpsc;
use futures::sink::SinkExt;
use futures::{select, FutureExt};
#[derive(Debug)]
struct BStream {
sid: Sid,
prio: u8,
promises: u8,
}
struct BChannel {
remote_pid: Option<Pid>,
stream: RwLock<async_std::net::TcpStream>,
send_stream: Sender<Frame>,
recv_stream: Receiver<Frame>,
send_participant: Sender<Frame>,
recv_participant: Receiver<Frame>,
send_handshake: bool,
send_pid: bool,
send_shutdown: bool,
recv_handshake: bool,
recv_pid: bool,
recv_shutdown: bool,
}
struct BAcceptor {
listener: RwLock<async_std::net::TcpListener>,
}
struct BParticipant {
remote_pid: Pid,
channels: HashMap<Protocols, Vec<BChannel>>,
streams: Vec<BStream>,
sid_pool: tlid::Pool<tlid::Wrapping<Sid>>,
prios: RwLock<PrioManager>,
closed: AtomicBool,
}
pub(crate) struct Scheduler {
local_pid: Pid,
metrics: Arc<Option<NetworkMetrics>>,
participants: HashMap<Pid, BParticipant>,
pending_channels: HashMap<Protocols, Vec<BChannel>>,
/* ctrl_rx: Receiver<CtrlMsg>,
* rtrn_tx: mpsc::Sender<RtrnMsg>, */
}
impl BStream {
}
impl BChannel {
/*
/// Execute when ready to read
pub async fn recv(&self) -> Vec<Frame> {
let mut buffer: [u8; 2000] = [0; 2000];
let read = self.stream.write().await.read(&mut buffer).await;
match read {
Ok(n) => {
let x = DeserializeFuture::new(buffer[0..n].to_vec(), &ThreadPoolBuilder::new().build()).await;
return vec!(x);
},
Err(e) => {
panic!("woops {}", e);
}
}
}
/// Execute when ready to write
pub async fn send<I: std::iter::Iterator<Item = Frame>>(&self, frames: &mut I) {
for frame in frames {
let x = SerializeFuture::new(frame, &ThreadPoolBuilder::new().build()).await;
self.stream.write().await.write_all(&x).await;
}
}
*/
pub fn get_tx(&self) -> &Sender<Frame> {
&self.send_stream
}
pub fn get_rx(&self) -> &Receiver<Frame> {
&self.recv_stream
}
pub fn get_participant_tx(&self) -> &Sender<Frame> {
&self.send_participant
}
pub fn get_participant_rx(&self) -> &Receiver<Frame> {
&self.recv_participant
}
}
impl BParticipant {
pub async fn read(&self) {
while self.closed.load(Ordering::Relaxed) {
for channels in self.channels.values() {
for channel in channels.iter() {
//let frames = channel.recv().await;
let frame = channel.get_rx().recv().await.unwrap();
match frame {
Frame::Channel(cf) => channel.handle(cf).await,
Frame::Participant(pf) => self.handle(pf).await,
Frame::Stream(sf) => {},
}
}
}
async_std::task::sleep(std::time::Duration::from_millis(100)).await;
}
}
pub async fn write(&self) {
let mut frames = VecDeque::<(u8, StreamFrame)>::new();
while self.closed.load(Ordering::Relaxed) {
let todo_synced_amount_and_reasonable_choosen_throughput_based_on_feedback = 100;
self.prios.write().await.fill_frames(
todo_synced_amount_and_reasonable_choosen_throughput_based_on_feedback,
&mut frames,
);
for (promises, frame) in frames.drain(..) {
let channel = self.chose_channel(promises);
channel.get_tx().send(Frame::Stream(frame)).await;
}
}
}
pub async fn handle(&self, frame: ParticipantFrame) {
info!("got a frame to handle");
/*
match frame {
ParticipantFrame::OpenStream {
sid,
prio,
promises,
} => {
if let Some(pid) = self.remote_pid {
let (msg_tx, msg_rx) = futures::channel::mpsc::unbounded::<InCommingMessage>();
let stream = IntStream::new(sid, prio, promises.clone(), msg_tx);
trace!(?self.streams, "-OPEN STREAM- going to modify streams");
self.streams.push(stream);
trace!(?self.streams, "-OPEN STREAM- did to modify streams");
info!("opened a stream");
if let Err(err) = rtrn_tx.send(RtrnMsg::OpendStream {
pid,
sid,
prio,
msg_rx,
promises,
}) {
error!(?err, "couldn't notify of opened stream");
}
} else {
error!("called OpenStream before PartcipantID!");
}
},
ParticipantFrame::CloseStream { sid } => {
if let Some(pid) = self.remote_pid {
trace!(?self.streams, "-CLOSE STREAM- going to modify streams");
self.streams.retain(|stream| stream.sid() != sid);
trace!(?self.streams, "-CLOSE STREAM- did to modify streams");
info!("closed a stream");
if let Err(err) = rtrn_tx.send(RtrnMsg::ClosedStream { pid, sid }) {
error!(?err, "couldn't notify of closed stream");
}
}
},
}*/
}
/// Endless task that will cover sending for Participant
pub async fn run(&mut self) {
let (incomming_sender, incomming_receiver) = mpsc::unbounded();
futures::join!(self.read(), self.write());
}
pub fn chose_channel(&self,
promises: u8, /* */
) -> &BChannel {
for v in self.channels.values() {
for c in v {
return c;
}
}
panic!("No Channel!");
}
}
impl Scheduler {
pub fn new(
pid: Pid,
metrics: Arc<Option<NetworkMetrics>>,
sid_backup_per_participant: Arc<RwLock<HashMap<Pid, tlid::Pool<tlid::Checked<Sid>>>>>,
token_pool: tlid::Pool<tlid::Wrapping<usize>>,
) -> Self {
panic!("asd");
}
pub fn run(&mut self) { loop {} }
}
*/

1
network/src/tcp.rs
View File

@ -1 +0,0 @@

162
network/src/types.rs
View File

@ -1,8 +1,6 @@
use rand::Rng;
use serde::{Deserialize, Serialize};
use tracing::*;
pub type Sid = u64;
pub type Mid = u64;
pub type Cid = u64;
pub type Prio = u8;
@ -17,20 +15,62 @@ pub const PROMISES_ENCRYPTED: Promises = 16;
pub(crate) const VELOREN_MAGIC_NUMBER: &str = "VELOREN";
pub const VELOREN_NETWORK_VERSION: [u32; 3] = [0, 2, 0];
pub(crate) const STREAM_ID_OFFSET1: Sid = 0;
pub(crate) const STREAM_ID_OFFSET2: Sid = u64::MAX / 2;
pub(crate) struct NetworkBuffer {
pub(crate) data: Vec<u8>,
pub(crate) read_idx: usize,
pub(crate) write_idx: usize,
}
pub(crate) const STREAM_ID_OFFSET1: Sid = Sid::new(0);
pub(crate) const STREAM_ID_OFFSET2: Sid = Sid::new(u64::MAX / 2);
#[derive(PartialEq, Eq, Hash, Clone, Copy, Serialize, Deserialize)]
pub struct Pid {
internal: u128,
}
#[derive(PartialEq, Eq, Hash, Clone, Copy, Serialize, Deserialize)]
pub(crate) struct Sid {
internal: u64,
}
// Used for Communication between Channel <----(TCP/UDP)----> Channel
#[derive(Serialize, Deserialize, Debug)]
pub(crate) enum Frame {
Handshake {
magic_number: String,
version: [u32; 3],
},
ParticipantId {
pid: Pid,
},
Shutdown, /* Shutsdown this channel gracefully, if all channels are shut down, Participant
* is deleted */
OpenStream {
sid: Sid,
prio: Prio,
promises: Promises,
},
CloseStream {
sid: Sid,
},
DataHeader {
mid: Mid,
sid: Sid,
length: u64,
},
Data {
id: Mid,
start: u64,
data: Vec<u8>,
},
/* WARNING: Sending RAW is only used for debug purposes in case someone write a new API
* against veloren Server! */
Raw(Vec<u8>),
}
#[derive(Serialize, Deserialize, Debug)]
pub(crate) enum Requestor {
User,
Api,
Scheduler,
Remote,
}
impl Pid {
pub fn new() -> Self {
Self {
@ -49,88 +89,34 @@ impl Pid {
}
}
/// NetworkBuffer to use for streamed access
/// valid data is between read_idx and write_idx!
/// everything before read_idx is already processed and no longer important
/// everything after write_idx is either 0 or random data buffered
impl NetworkBuffer {
pub(crate) fn new() -> Self {
NetworkBuffer {
data: vec![0; 2048],
read_idx: 0,
write_idx: 0,
}
}
pub(crate) fn get_write_slice(&mut self, min_size: usize) -> &mut [u8] {
if self.data.len() < self.write_idx + min_size {
trace!(
?self,
?min_size,
"need to resize because buffer is to small"
);
self.data.resize(self.write_idx + min_size, 0);
}
&mut self.data[self.write_idx..]
}
pub(crate) fn actually_written(&mut self, cnt: usize) { self.write_idx += cnt; }
pub(crate) fn get_read_slice(&self) -> &[u8] { &self.data[self.read_idx..self.write_idx] }
pub(crate) fn actually_read(&mut self, cnt: usize) {
self.read_idx += cnt;
if self.read_idx == self.write_idx {
if self.read_idx > 10485760 {
trace!(?self, "buffer empty, resetting indices");
}
self.read_idx = 0;
self.write_idx = 0;
}
if self.write_idx > 10485760 {
if self.write_idx - self.read_idx < 65536 {
debug!(
?self,
"This buffer is filled over 10 MB, but the actual data diff is less then \
65kB, which is a sign of stressing this connection much as always new data \
comes in - nevertheless, in order to handle this we will remove some data \
now so that this buffer doesn't grow endlessly"
);
let mut i2 = 0;
for i in self.read_idx..self.write_idx {
self.data[i2] = self.data[i];
i2 += 1;
}
self.read_idx = 0;
self.write_idx = i2;
}
if self.data.len() > 67108864 {
warn!(
?self,
"over 64Mbyte used, something seems fishy, len: {}",
self.data.len()
);
}
}
}
}
impl std::fmt::Debug for NetworkBuffer {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"NetworkBuffer(len: {}, read: {}, write: {})",
self.data.len(),
self.read_idx,
self.write_idx
)
}
impl Sid {
pub const fn new(internal: u64) -> Self { Self { internal } }
}
impl std::fmt::Debug for Pid {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.internal)
//only print last 6 chars of number as full u128 logs are unreadable
write!(f, "{}", self.internal.rem_euclid(100000))
}
}
impl std::ops::AddAssign for Sid {
fn add_assign(&mut self, other: Self) {
*self = Self {
internal: self.internal + other.internal,
};
}
}
impl std::fmt::Debug for Sid {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
//only print last 6 chars of number as full u128 logs are unreadable
write!(f, "{}", self.internal.rem_euclid(1000000))
}
}
impl From<u64> for Sid {
fn from(internal: u64) -> Self { Sid { internal } }
}

1
network/src/udp.rs
View File

@ -1 +0,0 @@

47
network/tests/helper.rs
View File

@ -1,12 +1,17 @@
use lazy_static::*;
use std::{
net::SocketAddr,
sync::atomic::{AtomicU16, Ordering},
sync::{
atomic::{AtomicU16, Ordering},
Arc,
},
thread,
time::Duration,
};
use tracing::*;
use tracing_subscriber::EnvFilter;
use uvth::ThreadPoolBuilder;
use veloren_network::{Address, Network, Participant, Pid, Stream, PROMISES_NONE};
pub fn setup(tracing: bool, mut sleep: u64) -> (u64, u64) {
if tracing {
@ -18,18 +23,14 @@ pub fn setup(tracing: bool, mut sleep: u64) -> (u64, u64) {
let _subscriber = if tracing {
let filter = EnvFilter::from_default_env()
//.add_directive("[worker]=trace".parse().unwrap())
.add_directive("trace".parse().unwrap())
.add_directive("async_std::task::block_on=warn".parse().unwrap())
.add_directive("veloren_network::tests=trace".parse().unwrap())
.add_directive("veloren_network::worker=debug".parse().unwrap())
.add_directive("veloren_network::controller=trace".parse().unwrap())
.add_directive("veloren_network::channel=trace".parse().unwrap())
.add_directive("veloren_network::message=trace".parse().unwrap())
.add_directive("veloren_network::metrics=trace".parse().unwrap())
.add_directive("veloren_network::types=trace".parse().unwrap())
.add_directive("veloren_network::mpsc=debug".parse().unwrap())
.add_directive("veloren_network::udp=debug".parse().unwrap())
.add_directive("veloren_network::tcp=debug".parse().unwrap());
.add_directive("veloren_network::types=trace".parse().unwrap());
Some(
tracing_subscriber::FmtSubscriber::builder()
@ -47,6 +48,30 @@ pub fn setup(tracing: bool, mut sleep: u64) -> (u64, u64) {
(0, 0)
}
pub async fn network_participant_stream(
addr: Address,
) -> (
Network,
Arc<Participant>,
Stream,
Network,
Arc<Participant>,
Stream,
) {
let pool = ThreadPoolBuilder::new().num_threads(2).build();
let n_a = Network::new(Pid::fake(1), &pool);
let n_b = Network::new(Pid::fake(2), &pool);
n_a.listen(addr.clone()).await.unwrap();
let p1_b = n_b.connect(addr).await.unwrap();
let p1_a = n_a.connected().await.unwrap();
let s1_a = p1_a.open(10, PROMISES_NONE).await.unwrap();
let s1_b = p1_b.opened().await.unwrap();
(n_a, p1_a, s1_a, n_b, p1_b, s1_b)
}
pub fn tcp() -> veloren_network::Address {
lazy_static! {
static ref PORTS: AtomicU16 = AtomicU16::new(5000);
@ -54,3 +79,11 @@ pub fn tcp() -> veloren_network::Address {
let port = PORTS.fetch_add(1, Ordering::Relaxed);
veloren_network::Address::Tcp(SocketAddr::from(([127, 0, 0, 1], port)))
}
pub fn udp() -> veloren_network::Address {
lazy_static! {
static ref PORTS: AtomicU16 = AtomicU16::new(5000);
}
let port = PORTS.fetch_add(1, Ordering::Relaxed);
veloren_network::Address::Udp(SocketAddr::from(([127, 0, 0, 1], port)))
}

194
network/tests/integration.rs
View File

@ -1,77 +1,133 @@
use async_std::{sync::RwLock, task};
use futures::{
channel::{mpsc, oneshot},
executor::ThreadPool,
sink::SinkExt,
};
use std::sync::{atomic::AtomicU64, Arc};
use veloren_network::{Network, Pid, Scheduler};
use async_std::task;
use task::block_on;
use veloren_network::StreamError;
mod helper;
use std::collections::HashMap;
use tracing::*;
use uvth::ThreadPoolBuilder;
#[test]
fn network() {
let (_, _) = helper::setup(true, 100);
{
let addr1 = helper::tcp();
let pool = ThreadPoolBuilder::new().num_threads(2).build();
let n1 = Network::new(Pid::fake(1), &pool);
let n2 = Network::new(Pid::fake(2), &pool);
n1.listen(addr1.clone()).unwrap();
std::thread::sleep(std::time::Duration::from_millis(100));
let pid1 = task::block_on(n2.connect(addr1)).unwrap();
warn!("yay connected");
let pid2 = task::block_on(n1.connected()).unwrap();
warn!("yay connected");
let mut sid1_p1 = task::block_on(pid1.open(10, 0)).unwrap();
let mut sid1_p2 = task::block_on(pid2.opened()).unwrap();
task::block_on(sid1_p1.send("Hello World")).unwrap();
let m1: Result<String, _> = task::block_on(sid1_p2.recv());
assert_eq!(m1, Ok("Hello World".to_string()));
//assert_eq!(pid, Pid::fake(1));
std::thread::sleep(std::time::Duration::from_secs(10));
}
std::thread::sleep(std::time::Duration::from_secs(2));
}
use helper::{network_participant_stream, tcp, udp};
#[test]
#[ignore]
fn scheduler() {
let (_, _) = helper::setup(true, 100);
let addr = helper::tcp();
let (scheduler, mut listen_tx, _, _, _) = Scheduler::new(Pid::new());
task::block_on(listen_tx.send(addr)).unwrap();
task::block_on(scheduler.run());
fn network_20s() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, _, _n_b, _, _) = block_on(network_participant_stream(tcp()));
std::thread::sleep(std::time::Duration::from_secs(30));
}
#[test]
#[ignore]
fn channel_creator_test() {
let (_, _) = helper::setup(true, 100);
let (_end_sender, end_receiver) = oneshot::channel::<()>();
let (part_out_sender, _part_out_receiver) = mpsc::unbounded();
let (configured_sender, _configured_receiver) = mpsc::unbounded::<(u64, Pid, u64)>();
let addr = helper::tcp();
task::block_on(async {
Scheduler::channel_creator(
Arc::new(AtomicU64::new(0)),
Pid::new(),
addr,
end_receiver,
Arc::new(ThreadPool::new().unwrap()),
part_out_sender,
configured_sender,
Arc::new(RwLock::new(HashMap::new())),
)
.await;
});
fn close_network() {
let (_, _) = helper::setup(false, 0);
let (_, _p1_a, mut s1_a, _, _p1_b, mut s1_b) = block_on(network_participant_stream(tcp()));
std::thread::sleep(std::time::Duration::from_millis(30));
assert_eq!(s1_a.send("Hello World"), Err(StreamError::StreamClosed));
let msg1: Result<String, _> = block_on(s1_b.recv());
assert_eq!(msg1, Err(StreamError::StreamClosed));
}
#[test]
fn close_participant() {
let (_, _) = helper::setup(false, 0);
let (n_a, p1_a, mut s1_a, n_b, p1_b, mut s1_b) = block_on(network_participant_stream(tcp()));
block_on(n_a.disconnect(p1_a)).unwrap();
block_on(n_b.disconnect(p1_b)).unwrap();
std::thread::sleep(std::time::Duration::from_millis(30));
assert_eq!(s1_a.send("Hello World"), Err(StreamError::StreamClosed));
assert_eq!(
block_on(s1_b.recv::<String>()),
Err(StreamError::StreamClosed)
);
}
#[test]
fn close_stream() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, _) = block_on(network_participant_stream(tcp()));
// s1_b is dropped directly while s1_a isn't
std::thread::sleep(std::time::Duration::from_millis(30));
assert_eq!(s1_a.send("Hello World"), Err(StreamError::StreamClosed));
assert_eq!(
block_on(s1_a.recv::<String>()),
Err(StreamError::StreamClosed)
);
}
#[test]
fn stream_simple() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(tcp()));
s1_a.send("Hello World").unwrap();
assert_eq!(block_on(s1_b.recv()), Ok("Hello World".to_string()));
}
#[test]
fn stream_simple_3msg() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(tcp()));
s1_a.send("Hello World").unwrap();
s1_a.send(1337).unwrap();
assert_eq!(block_on(s1_b.recv()), Ok("Hello World".to_string()));
assert_eq!(block_on(s1_b.recv()), Ok(1337));
s1_a.send("3rdMessage").unwrap();
assert_eq!(block_on(s1_b.recv()), Ok("3rdMessage".to_string()));
}
#[test]
fn stream_simple_3msg_then_close() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(tcp()));
s1_a.send(1u8).unwrap();
s1_a.send(42).unwrap();
s1_a.send("3rdMessage").unwrap();
assert_eq!(block_on(s1_b.recv()), Ok(1u8));
assert_eq!(block_on(s1_b.recv()), Ok(42));
assert_eq!(block_on(s1_b.recv()), Ok("3rdMessage".to_string()));
drop(s1_a);
std::thread::sleep(std::time::Duration::from_millis(30));
assert_eq!(s1_b.send("Hello World"), Err(StreamError::StreamClosed));
}
#[test]
fn stream_send_first_then_receive() {
// recv should still be possible even if stream got closed if they are in queue
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(tcp()));
s1_a.send(1u8).unwrap();
s1_a.send(42).unwrap();
s1_a.send("3rdMessage").unwrap();
drop(s1_a);
std::thread::sleep(std::time::Duration::from_millis(2000));
assert_eq!(block_on(s1_b.recv()), Ok(1u8));
assert_eq!(block_on(s1_b.recv()), Ok(42));
assert_eq!(block_on(s1_b.recv()), Ok("3rdMessage".to_string()));
assert_eq!(s1_b.send("Hello World"), Err(StreamError::StreamClosed));
}
#[test]
fn stream_simple_udp() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(udp()));
s1_a.send("Hello World").unwrap();
assert_eq!(block_on(s1_b.recv()), Ok("Hello World".to_string()));
}
#[test]
fn stream_simple_udp_3msg() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(udp()));
s1_a.send("Hello World").unwrap();
s1_a.send(1337).unwrap();
assert_eq!(block_on(s1_b.recv()), Ok("Hello World".to_string()));
assert_eq!(block_on(s1_b.recv()), Ok(1337));
s1_a.send("3rdMessage").unwrap();
assert_eq!(block_on(s1_b.recv()), Ok("3rdMessage".to_string()));
}

178
network/tools/async_recv/src/main.rs
View File

@ -1,178 +0,0 @@
use chrono::prelude::*;
use clap::{App, Arg, SubCommand};
use futures::executor::block_on;
use network::{Address, Network, Promise, Stream};
use serde::{Deserialize, Serialize};
use std::{
net::SocketAddr,
sync::Arc,
thread,
time::{Duration, Instant},
};
use tracing::*;
use tracing_subscriber::EnvFilter;
use uuid::Uuid;
use uvth::ThreadPoolBuilder;
#[derive(Serialize, Deserialize, Debug)]
enum Msg {
Ping(u64),
Pong(u64),
}
fn main() {
let matches = App::new("Veloren Speed Test Utility")
.version("0.1.0")
.author("Marcel Märtens <marcel.cochem@googlemail.com>")
.about("Runs speedtests regarding different parameter to benchmark veloren-network")
.subcommand(
SubCommand::with_name("listen")
.about("Runs the counter part that pongs all requests")
.arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.help("port to listen on"),
),
)
.subcommand(
SubCommand::with_name("run").arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.help("port to connect too"),
),
)
.get_matches();
let filter = EnvFilter::from_default_env().add_directive("trace".parse().unwrap());
//.add_directive("veloren_network::tests=trace".parse().unwrap());
tracing_subscriber::FmtSubscriber::builder()
// all spans/events with a level higher than TRACE (e.g, info, warn, etc.)
// will be written to stdout.
.with_max_level(Level::TRACE)
.with_env_filter(filter)
// sets this to be the default, global subscriber for this application.
.init();
if let Some(matches) = matches.subcommand_matches("listen") {
let port = matches
.value_of("port")
.map_or(52000, |v| v.parse::<u16>().unwrap_or(52000));
server(port);
};
if let Some(matches) = matches.subcommand_matches("run") {
let port = matches
.value_of("port")
.map_or(52000, |v| v.parse::<u16>().unwrap_or(52000));
client(port);
};
}
fn server(port: u16) {
let thread_pool = Arc::new(
ThreadPoolBuilder::new()
.name("veloren-network-server".into())
.build(),
);
thread::sleep(Duration::from_millis(200));
let server = Network::new(Uuid::new_v4(), thread_pool.clone());
let address = Address::Tcp(SocketAddr::from(([127, 0, 0, 1], port)));
server.listen(&address).unwrap(); //await
thread::sleep(Duration::from_millis(10)); //TODO: listeing still doesnt block correctly!
println!("waiting for client");
let p1 = block_on(server.connected()).unwrap(); //remote representation of p1
let mut s1 = block_on(p1.opened()).unwrap(); //remote representation of s1
let mut s2 = block_on(p1.opened()).unwrap(); //remote representation of s2
let t1 = thread::spawn(move || {
if let Ok(Msg::Ping(id)) = block_on(s1.recv()) {
thread::sleep(Duration::from_millis(3000));
s1.send(Msg::Pong(id)).unwrap();
println!("[{}], send s1_1", Utc::now().time());
}
if let Ok(Msg::Ping(id)) = block_on(s1.recv()) {
thread::sleep(Duration::from_millis(3000));
s1.send(Msg::Pong(id)).unwrap();
println!("[{}], send s1_2", Utc::now().time());
}
});
let t2 = thread::spawn(move || {
if let Ok(Msg::Ping(id)) = block_on(s2.recv()) {
thread::sleep(Duration::from_millis(1000));
s2.send(Msg::Pong(id)).unwrap();
println!("[{}], send s2_1", Utc::now().time());
}
if let Ok(Msg::Ping(id)) = block_on(s2.recv()) {
thread::sleep(Duration::from_millis(1000));
s2.send(Msg::Pong(id)).unwrap();
println!("[{}], send s2_2", Utc::now().time());
}
});
t1.join().unwrap();
t2.join().unwrap();
thread::sleep(Duration::from_millis(50));
}
async fn async_task1(mut s: Stream) -> u64 {
s.send(Msg::Ping(100)).unwrap();
println!("[{}], s1_1...", Utc::now().time());
let m1: Result<Msg, _> = s.recv().await;
println!("[{}], s1_1: {:?}", Utc::now().time(), m1);
thread::sleep(Duration::from_millis(1000));
s.send(Msg::Ping(101)).unwrap();
println!("[{}], s1_2...", Utc::now().time());
let m2: Result<Msg, _> = s.recv().await;
println!("[{}], s1_2: {:?}", Utc::now().time(), m2);
match m2.unwrap() {
Msg::Pong(id) => id,
_ => panic!("wrong answer"),
}
}
async fn async_task2(mut s: Stream) -> u64 {
s.send(Msg::Ping(200)).unwrap();
println!("[{}], s2_1...", Utc::now().time());
let m1: Result<Msg, _> = s.recv().await;
println!("[{}], s2_1: {:?}", Utc::now().time(), m1);
thread::sleep(Duration::from_millis(5000));
s.send(Msg::Ping(201)).unwrap();
println!("[{}], s2_2...", Utc::now().time());
let m2: Result<Msg, _> = s.recv().await;
println!("[{}], s2_2: {:?}", Utc::now().time(), m2);
match m2.unwrap() {
Msg::Pong(id) => id,
_ => panic!("wrong answer"),
}
}
fn client(port: u16) {
let thread_pool = Arc::new(
ThreadPoolBuilder::new()
.name("veloren-network-server".into())
.build(),
);
thread::sleep(Duration::from_millis(200));
let client = Network::new(Uuid::new_v4(), thread_pool.clone());
let address = Address::Tcp(SocketAddr::from(([127, 0, 0, 1], port)));
thread::sleep(Duration::from_millis(3)); //TODO: listeing still doesnt block correctly!
let p1 = block_on(client.connect(&address)).unwrap(); //remote representation of p1
let s1 = p1.open(16, Promise::InOrder | Promise::NoCorrupt).unwrap(); //remote representation of s1
let s2 = p1.open(16, Promise::InOrder | Promise::NoCorrupt).unwrap(); //remote representation of s2
let before = Instant::now();
block_on(async {
let f1 = async_task1(s1);
let f2 = async_task2(s2);
let _ = futures::join!(f1, f2);
});
if before.elapsed() < Duration::from_secs(13) {
println!("IT WORKS!");
} else {
println!("doesn't seem to work :/")
}
thread::sleep(Duration::from_millis(50));
}

150
network/tools/network-speed/src/main.rs
View File

@ -1,150 +0,0 @@
use clap::{App, Arg, SubCommand};
use futures::executor::block_on;
use network::{Address, Network, Participant, Promise, Stream};
use serde::{Deserialize, Serialize};
use std::{
net::SocketAddr,
sync::Arc,
thread,
time::{Duration, Instant},
};
use tracing::*;
use tracing_subscriber::EnvFilter;
use uuid::Uuid;
use uvth::ThreadPoolBuilder;
#[derive(Serialize, Deserialize, Debug)]
enum Msg {
Ping { id: u64, data: Vec<u8> },
Pong { id: u64, data: Vec<u8> },
}
fn main() {
let matches = App::new("Veloren Speed Test Utility")
.version("0.1.0")
.author("Marcel Märtens <marcel.cochem@googlemail.com>")
.about("Runs speedtests regarding different parameter to benchmark veloren-network")
.subcommand(
SubCommand::with_name("listen")
.about("Runs the counter part that pongs all requests")
.arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.help("port to listen on"),
),
)
.subcommand(
SubCommand::with_name("run").arg(
Arg::with_name("port")
.short("p")
.long("port")
.takes_value(true)
.help("port to connect too"),
), /*
.arg(Arg::with_name("participants")
.long("participants")
.takes_value(true)
.help("number of participants to open"))
.arg(Arg::with_name("streams")
.long("streams")
.takes_value(true)
.help("number of streams to open per participant"))*/
)
.get_matches();
let filter = EnvFilter::from_default_env().add_directive("error".parse().unwrap());
//.add_directive("veloren_network::tests=trace".parse().unwrap());
tracing_subscriber::FmtSubscriber::builder()
// all spans/events with a level higher than TRACE (e.g, info, warn, etc.)
// will be written to stdout.
.with_max_level(Level::TRACE)
.with_env_filter(filter)
// sets this to be the default, global subscriber for this application.
.init();
/*
if let Some(matches) = matches.subcommand_matches("listen") {
let port = matches
.value_of("port")
.map_or(52000, |v| v.parse::<u16>().unwrap_or(52000));
server(port);
};
if let Some(matches) = matches.subcommand_matches("run") {
let port = matches
.value_of("port")
.map_or(52000, |v| v.parse::<u16>().unwrap_or(52000));
client(port);
};*/
thread::spawn(|| {
server(52000);
});
thread::sleep(Duration::from_millis(3));
client(52000);
}
fn server(port: u16) {
let thread_pool = Arc::new(
ThreadPoolBuilder::new()
.name("veloren-network-server".into())
.build(),
);
thread::sleep(Duration::from_millis(200));
let server = Network::new(Uuid::new_v4(), thread_pool.clone());
let address = Address::Tcp(SocketAddr::from(([127, 0, 0, 1], port)));
//let address = Address::Mpsc(port as u64);
//let address = Address::Udp(SocketAddr::from(([127, 0, 0, 1], port)));
server.listen(&address).unwrap(); //await
thread::sleep(Duration::from_millis(3)); //TODO: listeing still doesnt block correctly!
loop {
let p1 = block_on(server.connected()).unwrap(); //remote representation of p1
let mut s1 = block_on(p1.opened()).unwrap(); //remote representation of s1
loop {
let m: Result<Option<Msg>, _> = block_on(s1.recv());
match m {
Ok(Some(Msg::Ping { id, data })) => {
//s1.send(Msg::Pong {id, data});
},
Err(e) => {},
_ => {},
}
}
}
}
fn client(port: u16) {
let thread_pool = Arc::new(
ThreadPoolBuilder::new()
.name("veloren-network-server".into())
.build(),
);
thread::sleep(Duration::from_millis(200));
let client = Network::new(Uuid::new_v4(), thread_pool.clone());
let address = Address::Tcp(SocketAddr::from(([127, 0, 0, 1], port)));
//let address = Address::Mpsc(port as u64);
//let address = Address::Udp(SocketAddr::from(([127, 0, 0, 1], port)));
thread::sleep(Duration::from_millis(3)); //TODO: listeing still doesnt block correctly!
loop {
let p1 = block_on(client.connect(&address)).unwrap(); //remote representation of p1
let mut s1 = p1.open(16, Promise::InOrder | Promise::NoCorrupt).unwrap(); //remote representation of s1
let mut last = Instant::now();
let mut id = 0u64;
loop {
s1.send(Msg::Ping {
id,
data: vec![0; 1000],
});
id += 1;
if id.rem_euclid(1000000) == 0 {
let new = Instant::now();
let diff = new.duration_since(last);
last = new;
println!("1.000.000 took {}", diff.as_millis());
}
//let _: Result<Option<Msg>, _> = block_on(s1.recv());
}
}
}