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overall cleanup, more tests, fixing clashes, removing unwraps, hardening against protocol errors, prepare prio mgr to take commands from scheduler

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fix async_recv and double block_on panic on Network::drop and participant::drop
include Cargo.lock from all examples
Found a bug on imbris runners with doc tests of `stream::send` and `stream::recv`
As neither a backtrace, nor tracing on runners in the doc tests seems to help, i disable them and add them as unit tests
This commit is contained in:
Marcel Märtens 2020-05-27 17:58:57 +02:00
parent a86cfbae65
commit 2a7c5807ff
28 changed files with 2932 additions and 1207 deletions
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2
Cargo.toml
View File

@ -9,7 +9,7 @@ members = [
"server-cli",
"voxygen",
"world",
"network",
"network",
]
# default profile for devs, fast to compile, okay enough to run, no debug information

901
network/Cargo.lock generated
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2
network/examples/async_recv/Cargo.toml
View File

@ -17,4 +17,4 @@ tracing = "0.1"
chrono = "0.4"
tracing-subscriber = "0.2.3"
bincode = "1.2"
serde = "1.0"
serde = { version = "1.0", features = ["derive"] }

9
network/examples/async_recv/src/main.rs
View File

@ -1,10 +1,13 @@
//!run with
//! ```bash
//! (cd network/examples/async_recv && RUST_BACKTRACE=1 cargo run)
//! ```
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},
};
@ -107,7 +110,7 @@ fn main() {
fn server(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let server = Network::new(Pid::new(), &thread_pool);
let server = Network::new(Pid::new(), &thread_pool, None);
block_on(server.listen(address.clone())).unwrap(); //await
println!("waiting for client");
@ -179,7 +182,7 @@ async fn async_task2(mut s: Stream) -> u64 {
fn client(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let client = Network::new(Pid::new(), &thread_pool);
let client = Network::new(Pid::new(), &thread_pool, None);
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

15
network/examples/chat/Cargo.lock generated
View File

@ -704,20 +704,6 @@ name = "serde"
version = "1.0.106"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "36df6ac6412072f67cf767ebbde4133a5b2e88e76dc6187fa7104cd16f783399"
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]
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dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]]
name = "serde_json"
@ -919,7 +905,6 @@ version = "0.1.0"
dependencies = [
"async-std",
"bincode",
"byteorder",
"futures",
"lazy_static",
"prometheus",

9
network/examples/chat/src/main.rs
View File

@ -1,3 +1,8 @@
//!run with
//! ```bash
//! (cd network/examples/chat && RUST_BACKTRACE=1 cargo run --release -- --trace=info --port 15006)
//! (cd network/examples/chat && RUST_BACKTRACE=1 cargo run --release -- --trace=info --port 15006 --mode=client)
//! ```
use async_std::io;
use clap::{App, Arg};
use futures::executor::{block_on, ThreadPool};
@ -96,7 +101,7 @@ fn main() {
fn server(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let server = Arc::new(Network::new(Pid::new(), &thread_pool));
let server = Arc::new(Network::new(Pid::new(), &thread_pool, None));
let pool = ThreadPool::new().unwrap();
block_on(async {
server.listen(address).await.unwrap();
@ -135,7 +140,7 @@ async fn client_connection(network: Arc<Network>, participant: Arc<Participant>)
fn client(address: Address) {
let thread_pool = ThreadPoolBuilder::new().build();
let client = Network::new(Pid::new(), &thread_pool);
let client = Network::new(Pid::new(), &thread_pool, None);
let pool = ThreadPool::new().unwrap();
block_on(async {

1
network/examples/fileshare/Cargo.lock generated
View File

@ -1010,7 +1010,6 @@ version = "0.1.0"
dependencies = [
"async-std",
"bincode",
"byteorder",
"futures",
"lazy_static",
"prometheus",

2
network/examples/fileshare/Cargo.toml
View File

@ -17,6 +17,6 @@ futures = "0.3"
tracing = "0.1"
tracing-subscriber = "0.2.3"
bincode = "1.2"
serde = "1.0"
serde = { version = "1.0", features = ["derive"] }
rand = "0.7.3"
shellexpand = "2.0.0"

7
network/examples/fileshare/src/main.rs
View File

@ -1,5 +1,8 @@
#![feature(async_closure, exclusive_range_pattern)]
//!run with
//! (cd network/examples/fileshare && RUST_BACKTRACE=1 cargo run --profile=release -Z unstable-options -- --trace=info --port 15006)
//! (cd network/examples/fileshare && RUST_BACKTRACE=1 cargo run --profile=release -Z unstable-options -- --trace=info --port 15007)
//! ```
use async_std::{io, path::PathBuf};
use clap::{App, Arg, SubCommand};
use futures::{
@ -152,7 +155,7 @@ async fn client(mut cmd_sender: mpsc::UnboundedSender<LocalCommand>) {
cmd_sender.send(LocalCommand::Disconnect).await.unwrap();
},
("connect", Some(connect_matches)) => {
let socketaddr = connect_matches.value_of("ipport").unwrap().parse().unwrap();
let socketaddr = connect_matches.value_of("ip:port").unwrap().parse().unwrap();
cmd_sender
.send(LocalCommand::Connect(Address::Tcp(socketaddr)))
.await

2
network/examples/fileshare/src/server.rs
View File

@ -28,7 +28,7 @@ impl Server {
let (command_sender, command_receiver) = mpsc::unbounded();
let thread_pool = ThreadPoolBuilder::new().build();
let network = Network::new(Pid::new(), &thread_pool);
let network = Network::new(Pid::new(), &thread_pool, None);
let run_channels = Some(ControlChannels { command_receiver });
(

1056
network/examples/network-speed/Cargo.lock generated Normal file
View File

File diff suppressed because it is too large Load Diff

20
network/examples/network-speed/src/main.rs
View File

@ -1,13 +1,18 @@
///run with
/// ```bash
/// (cd network/examples/network-speed && RUST_BACKTRACE=1 cargo run --profile=debuginfo -Z unstable-options -- --trace=error --protocol=tcp --mode=server)
/// (cd network/examples/network-speed && RUST_BACKTRACE=1 cargo run --profile=debuginfo -Z unstable-options -- --trace=error --protocol=tcp --mode=client)
/// ```
mod metrics;
use clap::{App, Arg};
use futures::executor::block_on;
use network::{Address, Network, Pid, PROMISES_CONSISTENCY, PROMISES_ORDERED, MessageBuffer};
use network::{Address, MessageBuffer, Network, Pid, PROMISES_CONSISTENCY, PROMISES_ORDERED};
use serde::{Deserialize, Serialize};
use std::{
sync::Arc,
thread,
time::{Duration, Instant},
sync::Arc,
};
use tracing::*;
use tracing_subscriber::EnvFilter;
@ -152,11 +157,12 @@ fn client(address: Address) {
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;
let raw_msg = Arc::new(MessageBuffer{
let raw_msg = Arc::new(MessageBuffer {
data: bincode::serialize(&Msg::Ping {
id,
data: vec![0; 1000],
}).unwrap(),
})
.unwrap(),
});
loop {
s1.send_raw(raw_msg.clone()).unwrap();
@ -172,13 +178,13 @@ fn client(address: Address) {
std::thread::sleep(std::time::Duration::from_millis(5000));
break;
}
};
}
drop(s1);
std::thread::sleep(std::time::Duration::from_millis(5000));
info!("closing participant");
block_on(client.disconnect(p1)).unwrap();
std::thread::sleep(std::time::Duration::from_millis(75000));
std::thread::sleep(std::time::Duration::from_millis(25000));
info!("DROPPING! client");
drop(client);
std::thread::sleep(std::time::Duration::from_millis(75000));
std::thread::sleep(std::time::Duration::from_millis(25000));
}

22
network/examples/network-speed/src/metrics.rs
View File

@ -1,6 +1,4 @@
use prometheus::{Encoder, Registry, TextEncoder};
use tiny_http;
use tracing::*;
use std::{
error::Error,
net::SocketAddr,
@ -10,6 +8,8 @@ use std::{
},
thread,
};
use tiny_http;
use tracing::*;
pub struct SimpleMetrics {
running: Arc<AtomicBool>,
@ -54,15 +54,25 @@ impl SimpleMetrics {
let request = match server.recv_timeout(TIMEOUT) {
Ok(Some(rq)) => rq,
Ok(None) => continue,
Err(e) => { println!("error: {}", e); break }
Err(e) => {
println!("error: {}", e);
break;
},
};
let mf = registry.gather();
let encoder = TextEncoder::new();
let mut buffer = vec![];
encoder.encode(&mf, &mut buffer).expect("Failed to encoder metrics text.");
let response = tiny_http::Response::from_string(String::from_utf8(buffer).expect("Failed to parse bytes as a string."));
encoder
.encode(&mf, &mut buffer)
.expect("Failed to encoder metrics text.");
let response = tiny_http::Response::from_string(
String::from_utf8(buffer).expect("Failed to parse bytes as a string."),
);
match request.respond(response) {
Err(e) => error!(?e, "The metrics HTTP server had encountered and error with answering"),
Err(e) => error!(
?e,
"The metrics HTTP server had encountered and error with answering"
),
_ => (),
}
}

84
network/examples/tcp-loadtest/Cargo.lock generated Normal file
View File

@ -0,0 +1,84 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "cfg-if"
version = "0.1.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
[[package]]
name = "getrandom"
version = "0.1.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
dependencies = [
"cfg-if",
"libc",
"wasi",
]
[[package]]
name = "libc"
version = "0.2.71"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
[[package]]
name = "ppv-lite86"
version = "0.2.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "237a5ed80e274dbc66f86bd59c1e25edc039660be53194b5fe0a482e0f2612ea"
[[package]]
name = "rand"
version = "0.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
dependencies = [
"getrandom",
"libc",
"rand_chacha",
"rand_core",
"rand_hc",
]
[[package]]
name = "rand_chacha"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
dependencies = [
"ppv-lite86",
"rand_core",
]
[[package]]
name = "rand_core"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
dependencies = [
"getrandom",
]
[[package]]
name = "rand_hc"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
dependencies = [
"rand_core",
]
[[package]]
name = "tcp-loadtest"
version = "0.1.0"
dependencies = [
"rand",
]
[[package]]
name = "wasi"
version = "0.9.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"

4
network/examples/tcp-loadtest/src/main.rs
View File

@ -1,3 +1,7 @@
//!run with
//! ```bash
//! (cd network/examples/tcp-loadtest && RUST_BACKTRACE=1 cargo run 127.0.0.1 52000)
//! ```
use std::{
env,
io::Write,

153
network/src/api.rs
View File

@ -1,3 +1,7 @@
//!
//!
//!
//! (cd network/examples/async_recv && RUST_BACKTRACE=1 cargo run)
use crate::{
message::{self, InCommingMessage, MessageBuffer, OutGoingMessage},
scheduler::Scheduler,
@ -115,13 +119,13 @@ pub enum StreamError {
/// use futures::executor::block_on;
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, listen on port `12345` to accept connections and connect to port `8080` to connect to a (pseudo) database Application
/// // Create a Network, listen on port `2999` to accept connections and connect to port `8080` to connect to a (pseudo) database Application
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async{
/// # //setup pseudo database!
/// # let database = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # database.listen(Address::Tcp("127.0.0.1:8080".parse().unwrap())).await?;
/// network.listen(Address::Tcp("127.0.0.1:12345".parse().unwrap())).await?;
/// network.listen(Address::Tcp("127.0.0.1:2999".parse().unwrap())).await?;
/// let database = network.connect(Address::Tcp("127.0.0.1:8080".parse().unwrap())).await?;
/// # Ok(())
/// })
@ -248,20 +252,20 @@ impl Network {
/// use veloren_network::{Address, Network, Pid};
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, connect on port `2000` TCP and `2001` UDP like listening above
/// // Create a Network, connect on port `2010` TCP and `2011` UDP like listening above
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// # remote.listen(Address::Tcp("0.0.0.0:2000".parse().unwrap())).await?;
/// # remote.listen(Address::Udp("0.0.0.0:2001".parse().unwrap())).await?;
/// # remote.listen(Address::Tcp("0.0.0.0:2010".parse().unwrap())).await?;
/// # remote.listen(Address::Udp("0.0.0.0:2011".parse().unwrap())).await?;
/// let p1 = network
/// .connect(Address::Tcp("127.0.0.1:2000".parse().unwrap()))
/// .connect(Address::Tcp("127.0.0.1:2010".parse().unwrap()))
/// .await?;
/// # //this doesn't work yet, so skip the test
/// # //TODO fixme!
/// # return Ok(());
/// let p2 = network
/// .connect(Address::Udp("127.0.0.1:2001".parse().unwrap()))
/// .connect(Address::Udp("127.0.0.1:2011".parse().unwrap()))
/// .await?;
/// assert!(std::sync::Arc::ptr_eq(&p1, &p2));
/// # Ok(())
@ -311,14 +315,14 @@ impl Network {
/// use veloren_network::{Address, Network, Pid};
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, listen on port `2000` TCP and opens returns their Pid
/// // Create a Network, listen on port `2020` TCP and opens returns their Pid
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// network
/// .listen(Address::Tcp("0.0.0.0:2000".parse().unwrap()))
/// .listen(Address::Tcp("0.0.0.0:2020".parse().unwrap()))
/// .await?;
/// # remote.connect(Address::Tcp("0.0.0.0:2000".parse().unwrap())).await?;
/// # remote.connect(Address::Tcp("0.0.0.0:2020".parse().unwrap())).await?;
/// while let Ok(participant) = network.connected().await {
/// println!("Participant connected: {}", participant.remote_pid());
/// # //skip test here as it would be a endless loop
@ -350,7 +354,9 @@ impl Network {
///
/// This function will wait for all [`Streams`] to properly close, including
/// all messages to be send before closing. If an error occurs with one
/// of the messavb
/// of the messages.
/// Except if the remote side already dropped the [`Participant`]
/// simultaneously, then messages won't be sended
///
/// # Examples
/// ```rust
@ -359,14 +365,14 @@ impl Network {
/// use veloren_network::{Address, Network, Pid};
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, listen on port `2000` TCP and opens returns their Pid and close connection.
/// // Create a Network, listen on port `2030` TCP and opens returns their Pid and close connection.
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// network
/// .listen(Address::Tcp("0.0.0.0:2000".parse().unwrap()))
/// .listen(Address::Tcp("0.0.0.0:2030".parse().unwrap()))
/// .await?;
/// # remote.connect(Address::Tcp("0.0.0.0:2000".parse().unwrap())).await?;
/// # remote.connect(Address::Tcp("0.0.0.0:2030".parse().unwrap())).await?;
/// while let Ok(participant) = network.connected().await {
/// println!("Participant connected: {}", participant.remote_pid());
/// network.disconnect(participant).await?;
@ -469,13 +475,13 @@ impl Participant {
/// use veloren_network::{Address, Network, Pid, PROMISES_CONSISTENCY, PROMISES_ORDERED};
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, connect on port 2000 and open a stream
/// // Create a Network, connect on port 2100 and open a stream
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// # remote.listen(Address::Tcp("0.0.0.0:2000".parse().unwrap())).await?;
/// # remote.listen(Address::Tcp("0.0.0.0:2100".parse().unwrap())).await?;
/// let p1 = network
/// .connect(Address::Tcp("127.0.0.1:2000".parse().unwrap()))
/// .connect(Address::Tcp("127.0.0.1:2100".parse().unwrap()))
/// .await?;
/// let _s1 = p1.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await?;
/// # Ok(())
@ -530,13 +536,13 @@ impl Participant {
/// use futures::executor::block_on;
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, connect on port 2000 and wait for the other side to open a stream
/// // Create a Network, connect on port 2110 and wait for the other side to open a stream
/// // Note: It's quite unusal to activly connect, but then wait on a stream to be connected, usually the Appication taking initiative want's to also create the first Stream.
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// # remote.listen(Address::Tcp("0.0.0.0:2000".parse().unwrap())).await?;
/// let p1 = network.connect(Address::Tcp("127.0.0.1:2000".parse().unwrap())).await?;
/// # remote.listen(Address::Tcp("0.0.0.0:2110".parse().unwrap())).await?;
/// let p1 = network.connect(Address::Tcp("127.0.0.1:2110".parse().unwrap())).await?;
/// # let p2 = remote.connected().await?;
/// # p2.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await?;
/// let _s1 = p1.opened().await?;
@ -613,9 +619,14 @@ impl Stream {
/// any more. A [`StreamError`] will be returned in the error case, e.g.
/// when the `Stream` got closed already.
///
/// Note when a `Stream` is dropped, it will still send all messages, though
/// the `drop` will return immediately, however, when a [`Participant`]
/// gets gracefully shut down, all remaining messages will be send.
/// Note when a `Stream` is dropped locally, it will still send all
/// messages, though the `drop` will return immediately, however, when a
/// [`Participant`] gets gracefully shut down, all remaining messages
/// will be send. If the `Stream` is dropped from remote side no further
/// messages are send, because the remote side has no way of listening
/// to them either way. If the last channel is destroyed (e.g. by losing
/// the internet connection or non-gracefull shutdown, pending messages
/// are also dropped.
///
/// # Example
/// ```rust
@ -623,21 +634,51 @@ impl Stream {
/// # use veloren_network::{PROMISES_ORDERED, PROMISES_CONSISTENCY};
/// use uvth::ThreadPoolBuilder;
/// use futures::executor::block_on;
/// use tracing::*;
/// use tracing_subscriber::EnvFilter;
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, listen on Port `2000` and wait for a Stream to be opened, then answer `Hello World`
///
/// std::thread::spawn(|| {
/// let filter = EnvFilter::from_default_env()
/// .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::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());
/// let _sub = 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.
/// .try_init();
///
/// // Create a Network, listen on Port `2200` and wait for a Stream to be opened, then answer `Hello World`
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// network.listen(Address::Tcp("127.0.0.1:2000".parse().unwrap())).await?;
/// # let remote_p = remote.connect(Address::Tcp("127.0.0.1:2000".parse().unwrap())).await?;
/// # remote_p.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await?;
/// let participant_a = network.connected().await?;
/// let mut stream_a = participant_a.opened().await?;
/// network.listen(Address::Tcp("127.0.0.1:2200".parse().unwrap())).await.unwrap();
/// # let remote_p = remote.connect(Address::Tcp("127.0.0.1:2200".parse().unwrap())).await.unwrap();
/// # remote_p.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await.unwrap();
/// let participant_a = network.connected().await.unwrap();
/// let mut stream_a = participant_a.opened().await.unwrap();
/// //Send Message
/// stream_a.send("Hello World");
/// # Ok(())
/// stream_a.send("Hello World").unwrap();
/// })
/// });
///
/// std::thread::sleep(std::time::Duration::from_secs(70));
/// println!("Sleep another 10s");
/// std::thread::sleep(std::time::Duration::from_secs(10));
/// println!("TRACING THE DEADLOCK");
/// assert!(false);
///
/// std::thread::sleep(std::time::Duration::from_secs(150));
/// Ok(())
/// # }
/// ```
///
@ -668,9 +709,9 @@ impl Stream {
/// # let remote1 = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote2 = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// network.listen(Address::Tcp("127.0.0.1:2000".parse().unwrap())).await?;
/// # let remote1_p = remote1.connect(Address::Tcp("127.0.0.1:2000".parse().unwrap())).await?;
/// # let remote2_p = remote2.connect(Address::Tcp("127.0.0.1:2000".parse().unwrap())).await?;
/// network.listen(Address::Tcp("127.0.0.1:2210".parse().unwrap())).await?;
/// # let remote1_p = remote1.connect(Address::Tcp("127.0.0.1:2210".parse().unwrap())).await?;
/// # let remote2_p = remote2.connect(Address::Tcp("127.0.0.1:2210".parse().unwrap())).await?;
/// # assert_eq!(remote1_p.remote_pid(), remote2_p.remote_pid());
/// # remote1_p.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await?;
/// # remote2_p.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await?;
@ -717,6 +758,31 @@ impl Stream {
///
/// A [`StreamError`] will be returned in the error case, e.g. when the
/// `Stream` got closed already.
///
/// # Example
/// ```rust
/// use veloren_network::{Network, Address, Pid};
/// # use veloren_network::{PROMISES_ORDERED, PROMISES_CONSISTENCY};
/// use uvth::ThreadPoolBuilder;
/// use futures::executor::block_on;
///
/// # fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
/// // Create a Network, listen on Port `2220` and wait for a Stream to be opened, then listen on it
/// let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// # let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
/// block_on(async {
/// network.listen(Address::Tcp("127.0.0.1:2220".parse().unwrap())).await?;
/// # let remote_p = remote.connect(Address::Tcp("127.0.0.1:2220".parse().unwrap())).await?;
/// # let mut stream_p = remote_p.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY).await?;
/// # stream_p.send("Hello World");
/// let participant_a = network.connected().await?;
/// let mut stream_a = participant_a.opened().await?;
/// //Send Message
/// println!("{}", stream_a.recv::<String>().await?);
/// # Ok(())
/// })
/// # }
/// ```
#[inline]
pub async fn recv<M: DeserializeOwned>(&mut self) -> Result<M, StreamError> {
Ok(message::deserialize(self.recv_raw().await?))
@ -731,7 +797,7 @@ impl Stream {
//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.b2a_msg_recv_r.next().await?;
info!(?msg, "delivering a message");
//info!(?msg, "delivering a message");
Ok(msg.buffer)
}
}
@ -745,6 +811,23 @@ impl Drop for Network {
"shutting down Participants of Network, while we still have metrics"
);
task::block_on(async {
// we need to carefully shut down here! as otherwise we might call
// Participant::Drop with a2s_disconnect_s here which would open
// another task::block, which would panic! also i can't `.write` on
// `self.participants` as the `disconnect` fn needs it.
let mut participant_clone = self.participants().await;
for (_, p) in participant_clone.drain() {
match self.disconnect(p).await {
Err(e) => {
error!(
?e,
"error while dropping network, the error occured when dropping a \
participant but can't be notified to the user any more"
);
},
_ => (),
}
}
self.participants.write().await.clear();
});
debug!(?pid, "shutting down Scheduler");

1
network/src/lib.rs
View File

@ -103,6 +103,7 @@ mod participant;
mod prios;
mod protocols;
mod scheduler;
#[macro_use]
mod types;
pub use api::{Address, Network, NetworkError, Participant, ParticipantError, Stream, StreamError};

66
network/src/metrics.rs
View File

@ -27,13 +27,13 @@ pub struct NetworkMetrics {
// Frames counted at protocol level, seperated by CHANNEL (and PARTICIPANT) AND FRAME TYPE,
pub frames_wire_out_total: IntCounterVec,
pub frames_wire_in_total: IntCounterVec,
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,
// throughput at protocol level, seperated by CHANNEL (and PARTICIPANT),
pub wire_out_throughput: IntCounterVec,
pub wire_in_throughput: IntCounterVec,
// send(prio) Messages count, seperated by STREAM AND PARTICIPANT,
pub message_out_total: IntCounterVec,
// send(prio) Messages throughput, seperated by STREAM AND PARTICIPANT,
pub message_out_throughput: IntCounterVec,
// TODO: queued Messages, seperated by STREAM (add PART, CHANNEL),
// queued Messages, seperated by PARTICIPANT
pub queued_count: IntGaugeVec,
@ -137,31 +137,35 @@ impl NetworkMetrics {
),
&["channel", "frametype"],
)?;
let frames_count = IntGaugeVec::new(
let wire_out_throughput = IntCounterVec::new(
Opts::new(
"frames_count",
"number of all frames send by streams on the network",
"wire_out_throughput",
"throupgput of all data frames send per channel, at the protocol level",
),
&["channel"],
)?;
let message_count = IntGaugeVec::new(
let wire_in_throughput = IntCounterVec::new(
Opts::new(
"message_count",
"wire_in_throughput",
"throupgput of all data frames send per channel, at the protocol level",
),
&["channel"],
)?;
//TODO IN
let message_out_total = IntCounterVec::new(
Opts::new(
"message_out_total",
"number of messages send by streams on the network",
),
&["channel"],
&["participant", "stream"],
)?;
let bytes_send = IntGaugeVec::new(
Opts::new("bytes_send", "bytes send by streams on the network"),
&["channel"],
)?;
let frames_message_count = IntGaugeVec::new(
//TODO IN
let message_out_throughput = IntCounterVec::new(
Opts::new(
"frames_message_count",
"bytes sends per message on the network",
"message_out_throughput",
"throughput of messages send by streams on the network",
),
&["channel"],
&["participant", "stream"],
)?;
let queued_count = IntGaugeVec::new(
Opts::new(
@ -199,10 +203,10 @@ impl NetworkMetrics {
frames_in_total,
frames_wire_out_total,
frames_wire_in_total,
frames_count,
message_count,
bytes_send,
frames_message_count,
wire_out_throughput,
wire_in_throughput,
message_out_total,
message_out_throughput,
queued_count,
queued_bytes,
participants_ping,
@ -218,15 +222,15 @@ impl NetworkMetrics {
registry.register(Box::new(self.channels_disconnected_total.clone()))?;
registry.register(Box::new(self.streams_opened_total.clone()))?;
registry.register(Box::new(self.streams_closed_total.clone()))?;
registry.register(Box::new(self.network_info.clone()))?;
registry.register(Box::new(self.frames_out_total.clone()))?;
registry.register(Box::new(self.frames_in_total.clone()))?;
registry.register(Box::new(self.frames_wire_out_total.clone()))?;
registry.register(Box::new(self.frames_wire_in_total.clone()))?;
registry.register(Box::new(self.network_info.clone()))?;
registry.register(Box::new(self.frames_count.clone()))?;
registry.register(Box::new(self.message_count.clone()))?;
registry.register(Box::new(self.bytes_send.clone()))?;
registry.register(Box::new(self.frames_message_count.clone()))?;
registry.register(Box::new(self.wire_out_throughput.clone()))?;
registry.register(Box::new(self.wire_in_throughput.clone()))?;
registry.register(Box::new(self.message_out_total.clone()))?;
registry.register(Box::new(self.message_out_throughput.clone()))?;
registry.register(Box::new(self.queued_count.clone()))?;
registry.register(Box::new(self.queued_bytes.clone()))?;
registry.register(Box::new(self.participants_ping.clone()))?;

112
network/src/participant.rs
View File

@ -21,13 +21,14 @@ use std::{
atomic::{AtomicBool, AtomicUsize, Ordering},
Arc,
},
time::{Duration, Instant},
};
use tracing::*;
#[derive(Debug)]
struct ChannelInfo {
cid: Cid,
cid_string: String, //optimisation
cid_string: String, //optimisationmetrics
b2w_frame_s: mpsc::UnboundedSender<Frame>,
b2r_read_shutdown: oneshot::Sender<()>,
}
@ -109,7 +110,7 @@ impl BParticipant {
)
}
pub async fn run(mut self) {
pub async fn run(mut self, b2s_prio_statistic_s: mpsc::UnboundedSender<(Pid, u64, u64)>) {
//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_send_mgr_sender, shutdown_send_mgr_receiver) = oneshot::channel();
@ -118,7 +119,8 @@ impl BParticipant {
let (shutdown_open_mgr_sender, shutdown_open_mgr_receiver) = oneshot::channel();
let (b2b_prios_flushed_s, b2b_prios_flushed_r) = oneshot::channel();
let (w2b_frames_s, w2b_frames_r) = mpsc::unbounded::<(Cid, Frame)>();
let (prios, a2p_msg_s, b2p_notify_empty_stream_s) = PrioManager::new();
let (prios, a2p_msg_s, b2p_notify_empty_stream_s) =
PrioManager::new(self.metrics.clone(), self.remote_pid_string.clone());
let run_channels = self.run_channels.take().unwrap();
futures::join!(
@ -135,7 +137,12 @@ impl BParticipant {
a2p_msg_s.clone(),
),
self.create_channel_mgr(run_channels.s2b_create_channel_r, w2b_frames_s,),
self.send_mgr(prios, shutdown_send_mgr_receiver, b2b_prios_flushed_s),
self.send_mgr(
prios,
shutdown_send_mgr_receiver,
b2b_prios_flushed_s,
b2s_prio_statistic_s
),
self.stream_close_mgr(
run_channels.a2b_close_stream_r,
shutdown_stream_close_mgr_receiver,
@ -158,11 +165,12 @@ impl BParticipant {
mut prios: PrioManager,
mut shutdown_send_mgr_receiver: oneshot::Receiver<()>,
b2b_prios_flushed_s: oneshot::Sender<()>,
mut b2s_prio_statistic_s: mpsc::UnboundedSender<(Pid, u64, u64)>,
) {
//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 TICK_TIME: Duration = Duration::from_millis(10);
const FRAMES_PER_TICK: usize = 10005;
self.running_mgr.fetch_add(1, Ordering::Relaxed);
let mut closing_up = false;
@ -180,6 +188,10 @@ impl BParticipant {
for (_, frame) in frames {
self.send_frame(frame, &mut send_cache).await;
}
b2s_prio_statistic_s
.send((self.remote_pid, len as u64, /* */ 0))
.await
.unwrap();
async_std::task::sleep(TICK_TIME).await;
//shutdown after all msg are send!
if closing_up && (len == 0) {
@ -199,11 +211,28 @@ impl BParticipant {
async fn send_frame(&self, frame: Frame, frames_out_total_cache: &mut PidCidFrameCache) {
// find out ideal channel here
//TODO: just take first
if let Some(ci) = self.channels.write().await.get_mut(0) {
let mut lock = self.channels.write().await;
if let Some(ci) = lock.get_mut(0) {
//note: this is technically wrong we should only increase when it suceeded, but
// this requiered me to clone `frame` which is a to big performance impact for
// error handling
frames_out_total_cache
.with_label_values(ci.cid, &frame)
.inc();
ci.b2w_frame_s.send(frame).await.unwrap();
if let Err(e) = ci.b2w_frame_s.send(frame).await {
warn!(
?e,
"the channel got closed unexpectedly, cleaning it up now."
);
let ci = lock.remove(0);
if let Err(e) = ci.b2r_read_shutdown.send(()) {
debug!(
?e,
"error shutdowning channel, which is prob fine as we detected it to no \
longer work in the first place"
);
};
}
} else {
error!("participant has no channel to communicate on");
}
@ -219,6 +248,10 @@ impl BParticipant {
self.running_mgr.fetch_add(1, Ordering::Relaxed);
trace!("start handle_frames_mgr");
let mut messages = HashMap::new();
let mut dropped_instant = Instant::now();
let mut dropped_cnt = 0u64;
let mut dropped_sid = Sid::new(0);
while let Some((cid, frame)) = w2b_frames_r.next().await {
let cid_string = cid.to_string();
//trace!("handling frame");
@ -245,19 +278,26 @@ impl BParticipant {
// 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
trace!(
?sid,
"got remote request to close a stream, without flushing it, local \
messages are dropped"
);
// no wait for flush here, as the remote wouldn't care anyway.
if let Some(si) = self.streams.write().await.remove(&sid) {
self.metrics
.streams_closed_total
.with_label_values(&[&self.remote_pid_string])
.inc();
si.closed.store(true, Ordering::Relaxed);
trace!(?sid, "closed stream from remote");
} else {
error!(
warn!(
?sid,
"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");
},
Frame::DataHeader { mid, sid, length } => {
let imsg = InCommingMessage {
@ -283,15 +323,44 @@ impl BParticipant {
//debug!(?mid, "finished receiving message");
let imsg = messages.remove(&mid).unwrap();
if let Some(si) = self.streams.write().await.get_mut(&imsg.sid) {
si.b2a_msg_recv_s.send(imsg).await.unwrap();
if let Err(e) = si.b2a_msg_recv_s.send(imsg).await {
warn!(
?e,
?mid,
"dropping message, as streams seem to be in act of beeing \
dropped right now"
);
}
} else {
error!("dropping message as stream no longer seems to exist");
//aggregate errors
let n = Instant::now();
if dropped_sid != imsg.sid
|| n.duration_since(dropped_instant) > Duration::from_secs(1)
{
warn!(
?dropped_cnt,
"dropping multiple messages as stream no longer seems to \
exist because it was dropped probably."
);
dropped_cnt = 0;
dropped_instant = n;
dropped_sid = imsg.sid;
} else {
dropped_cnt += 1;
}
}
}
},
_ => unreachable!("never reaches frame!"),
}
}
if dropped_cnt > 0 {
warn!(
?dropped_cnt,
"dropping multiple messages as stream no longer seems to exist because it was \
dropped probably."
);
}
trace!("stop handle_frames_mgr");
self.running_mgr.fetch_sub(1, Ordering::Relaxed);
}
@ -392,8 +461,8 @@ impl BParticipant {
let sender = s2b_shutdown_bparticipant_r.await.unwrap();
debug!("closing all managers");
for sender in to_shutdown.drain(..) {
if sender.send(()).is_err() {
warn!("manager seems to be closed already, weird, maybe a bug");
if let Err(e) = sender.send(()) {
warn!(?e, "manager seems to be closed already, weird, maybe a bug");
};
}
debug!("closing all streams");
@ -410,7 +479,7 @@ impl BParticipant {
};
}
//Wait for other bparticipants mgr to close via AtomicUsize
const SLEEP_TIME: std::time::Duration = std::time::Duration::from_millis(5);
const SLEEP_TIME: Duration = Duration::from_millis(5);
async_std::task::sleep(SLEEP_TIME).await;
let mut i: u32 = 1;
while self.running_mgr.load(Ordering::Relaxed) > 1 {
@ -458,14 +527,15 @@ impl BParticipant {
// be handled at the remote side.
trace!(?sid, "stopping api to use this stream");
self.streams
.read()
.await
.get(&sid)
.unwrap()
.closed
.store(true, Ordering::Relaxed);
match self.streams.read().await.get(&sid) {
Some(si) => {
si.closed.store(true, Ordering::Relaxed);
},
None => warn!("couldn't find the stream, might be simulanious close from remote"),
}
//TODO: what happens if RIGHT NOW the remote sends a StreamClose and this
// streams get closed and removed? RACE CONDITION
trace!(?sid, "wait for stream to be flushed");
let (s2b_stream_finished_closed_s, s2b_stream_finished_closed_r) = oneshot::channel();
b2p_notify_empty_stream_s

91
network/src/prios.rs
View File

@ -7,12 +7,16 @@
use crate::{
message::OutGoingMessage,
metrics::NetworkMetrics,
types::{Frame, Prio, Sid},
};
use futures::channel::oneshot;
use std::{
collections::{HashMap, HashSet, VecDeque},
sync::mpsc::{channel, Receiver, Sender},
sync::{
mpsc::{channel, Receiver, Sender},
Arc,
},
};
use tracing::*;
@ -32,20 +36,10 @@ pub(crate) struct PrioManager {
//you can register to be notified if a pid_sid combination is flushed completly here
sid_flushed_rx: Receiver<(Sid, oneshot::Sender<()>)>,
queued: HashSet<u8>,
metrics: Arc<NetworkMetrics>,
pid: String,
}
/*
ERROR Okay ich kann die frames und msg nicht counten, da api auf msg basis zöhlt und BParticipant auf frame basis.
Der Priomanager hört auf gekillte PID, SIDs, und entweder returned sofort wenn keine msg drinn ist, oder schreibt es in id_sid_owned und haut es dann raus
Evtl sollten wir auch den prioManger auf mehr Async umstellen. auch wenn der TICK selber syncron ist. mal schaun.
*/
/*
ERROR, okay wie hauen alles komplett um, PRIOS wird ein teildes BPARTICIPANT
Der BPARTICIPANT bekommt vom Scheduler seine throughput werte, und berichtet zurück
PRIOS wird ASYNC!
*/
impl PrioManager {
const FRAME_DATA_SIZE: u64 = 1400;
const PRIOS: [u32; PRIO_MAX] = [
@ -56,7 +50,10 @@ impl PrioManager {
310419, 356578, 409600, 470507, 540470, 620838,
];
pub fn new() -> (
pub fn new(
metrics: Arc<NetworkMetrics>,
pid: String,
) -> (
Self,
Sender<(Prio, Sid, OutGoingMessage)>,
Sender<(Sid, oneshot::Sender<()>)>,
@ -137,6 +134,8 @@ impl PrioManager {
queued: HashSet::new(), //TODO: optimize with u64 and 64 bits
sid_flushed_rx,
sid_owned: HashMap::new(),
metrics,
pid,
},
messages_tx,
sid_flushed_tx,
@ -145,11 +144,19 @@ impl PrioManager {
async fn tick(&mut self) {
// Check Range
let mut times = 0;
let mut messages = 0;
let mut closed = 0;
for (prio, sid, msg) in self.messages_rx.try_iter() {
debug_assert!(prio as usize <= PRIO_MAX);
times += 1;
messages += 1;
self.metrics
.message_out_total
.with_label_values(&[&self.pid, &sid.to_string()])
.inc();
self.metrics
.message_out_throughput
.with_label_values(&[&self.pid, &sid.to_string()])
.inc_by(msg.buffer.data.len() as i64);
//trace!(?prio, ?sid, "tick");
self.queued.insert(prio);
self.messages[prio as usize].push_back((sid, msg));
@ -173,8 +180,8 @@ impl PrioManager {
return_sender.send(()).unwrap();
}
}
if times > 0 || closed > 0 {
trace!(?times, ?closed, "tick");
if messages > 0 || closed > 0 {
trace!(?messages, ?closed, "tick");
}
}
@ -239,10 +246,14 @@ impl PrioManager {
no_of_frames: usize,
frames: &mut E,
) {
for v in self.messages.iter_mut() {
v.reserve_exact(no_of_frames)
}
self.tick().await;
for _ in 0..no_of_frames {
match self.calc_next_prio() {
Some(prio) => {
//let prio2 = self.calc_next_prio().unwrap();
//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
@ -268,8 +279,8 @@ impl PrioManager {
.map(|empty_notify| empty_notify.send(()).unwrap());
}
} else {
error!(?msg.mid, "repush message");
self.messages[prio as usize].push_back((sid, msg));
//trace!(?m.mid, "repush message");
}
},
None => unreachable!("msg not in VecDeque, but queued"),
@ -301,15 +312,31 @@ impl std::fmt::Debug for PrioManager {
mod tests {
use crate::{
message::{MessageBuffer, OutGoingMessage},
metrics::NetworkMetrics,
prios::*,
types::{Frame, Prio, Sid},
types::{Frame, Pid, Prio, Sid},
};
use futures::{channel::oneshot, executor::block_on};
use std::{
collections::VecDeque,
sync::{mpsc::Sender, Arc},
};
use futures::executor::block_on;
use std::{collections::VecDeque, sync::Arc};
const SIZE: u64 = PrioManager::FRAME_DATA_SIZE;
const USIZE: usize = PrioManager::FRAME_DATA_SIZE as usize;
fn mock_new() -> (
PrioManager,
Sender<(Prio, Sid, OutGoingMessage)>,
Sender<(Sid, oneshot::Sender<()>)>,
) {
let pid = Pid::fake(1);
PrioManager::new(
Arc::new(NetworkMetrics::new(&pid).unwrap()),
pid.to_string(),
)
}
fn mock_out(prio: Prio, sid: u64) -> (Prio, Sid, OutGoingMessage) {
let sid = Sid::new(sid);
(prio, sid, OutGoingMessage {
@ -365,7 +392,7 @@ mod tests {
#[test]
fn single_p16() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out(16, 1337)).unwrap();
let mut frames = VecDeque::new();
block_on(mgr.fill_frames(100, &mut frames));
@ -377,7 +404,7 @@ mod tests {
#[test]
fn single_p16_p20() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out(16, 1337)).unwrap();
msg_tx.send(mock_out(20, 42)).unwrap();
let mut frames = VecDeque::new();
@ -392,7 +419,7 @@ mod tests {
#[test]
fn single_p20_p16() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out(20, 42)).unwrap();
msg_tx.send(mock_out(16, 1337)).unwrap();
let mut frames = VecDeque::new();
@ -407,7 +434,7 @@ mod tests {
#[test]
fn multiple_p16_p20() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out(20, 2)).unwrap();
msg_tx.send(mock_out(16, 1)).unwrap();
msg_tx.send(mock_out(16, 3)).unwrap();
@ -433,7 +460,7 @@ mod tests {
#[test]
fn multiple_fill_frames_p16_p20() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out(20, 2)).unwrap();
msg_tx.send(mock_out(16, 1)).unwrap();
msg_tx.send(mock_out(16, 3)).unwrap();
@ -465,7 +492,7 @@ mod tests {
#[test]
fn single_large_p16() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out_large(16, 1)).unwrap();
let mut frames = VecDeque::new();
block_on(mgr.fill_frames(100, &mut frames));
@ -479,7 +506,7 @@ mod tests {
#[test]
fn multiple_large_p16() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out_large(16, 1)).unwrap();
msg_tx.send(mock_out_large(16, 2)).unwrap();
let mut frames = VecDeque::new();
@ -498,7 +525,7 @@ mod tests {
#[test]
fn multiple_large_p16_sudden_p0() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
msg_tx.send(mock_out_large(16, 1)).unwrap();
msg_tx.send(mock_out_large(16, 2)).unwrap();
let mut frames = VecDeque::new();
@ -524,7 +551,7 @@ mod tests {
#[test]
fn single_p20_thousand_p16_at_once() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
for _ in 0..998 {
msg_tx.send(mock_out(16, 2)).unwrap();
}
@ -546,7 +573,7 @@ mod tests {
#[test]
fn single_p20_thousand_p16_later() {
let (mut mgr, msg_tx, _flush_tx) = PrioManager::new();
let (mut mgr, msg_tx, _flush_tx) = mock_new();
for _ in 0..998 {
msg_tx.send(mock_out(16, 2)).unwrap();
}

279
network/src/protocols.rs
View File

@ -58,6 +58,26 @@ impl TcpProtocol {
Self { stream, metrics }
}
/// read_except and if it fails, close the protocol
async fn read_except_or_close(
cid: Cid,
mut stream: &TcpStream,
mut bytes: &mut [u8],
from_wire_sender: &mut mpsc::UnboundedSender<(Cid, Frame)>,
) {
match stream.read_exact(&mut bytes).await {
Err(e) => {
warn!(
?e,
"closing tcp protocol due to read error, sending close frame to gracefully \
shutdown"
);
from_wire_sender.send((cid, Frame::Shutdown)).await.unwrap();
},
_ => (),
}
}
pub async fn read(
&self,
cid: Cid,
@ -66,8 +86,13 @@ impl TcpProtocol {
) {
trace!("starting up tcp read()");
let mut metrics_cache = CidFrameCache::new(self.metrics.frames_wire_in_total.clone(), cid);
let throughput_cache = self
.metrics
.wire_in_throughput
.with_label_values(&[&cid.to_string()]);
let mut stream = self.stream.clone();
let mut end_receiver = end_receiver.fuse();
loop {
let mut bytes = [0u8; 1];
let r = select! {
@ -82,7 +107,8 @@ impl TcpProtocol {
let frame = match frame_no {
FRAME_HANDSHAKE => {
let mut bytes = [0u8; 19];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let magic_number = [
bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6],
];
@ -97,7 +123,8 @@ impl TcpProtocol {
},
FRAME_INIT => {
let mut bytes = [0u8; 16];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let pid = Pid::from_le_bytes(bytes);
stream.read_exact(&mut bytes).await.unwrap();
let secret = u128::from_le_bytes(bytes);
@ -106,7 +133,8 @@ impl TcpProtocol {
FRAME_SHUTDOWN => Frame::Shutdown,
FRAME_OPEN_STREAM => {
let mut bytes = [0u8; 10];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let sid = Sid::from_le_bytes([
bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6],
bytes[7],
@ -121,7 +149,8 @@ impl TcpProtocol {
},
FRAME_CLOSE_STREAM => {
let mut bytes = [0u8; 8];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let sid = Sid::from_le_bytes([
bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6],
bytes[7],
@ -130,7 +159,8 @@ impl TcpProtocol {
},
FRAME_DATA_HEADER => {
let mut bytes = [0u8; 24];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let mid = Mid::from_le_bytes([
bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6],
bytes[7],
@ -147,7 +177,8 @@ impl TcpProtocol {
},
FRAME_DATA => {
let mut bytes = [0u8; 18];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let mid = Mid::from_le_bytes([
bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6],
bytes[7],
@ -158,22 +189,27 @@ impl TcpProtocol {
]);
let length = u16::from_le_bytes([bytes[16], bytes[17]]);
let mut data = vec![0; length as usize];
stream.read_exact(&mut data).await.unwrap();
throughput_cache.inc_by(length as i64);
Self::read_except_or_close(cid, &mut stream, &mut data, &mut from_wire_sender)
.await;
Frame::Data { mid, start, data }
},
FRAME_RAW => {
let mut bytes = [0u8; 2];
stream.read_exact(&mut bytes).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut bytes, &mut from_wire_sender)
.await;
let length = u16::from_le_bytes([bytes[0], bytes[1]]);
let mut data = vec![0; length as usize];
stream.read_exact(&mut data).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut data, &mut from_wire_sender)
.await;
Frame::Raw(data)
},
_ => {
// report a RAW frame, but cannot rely on the next 2 bytes to be a size.
// guessing 256 bytes, which might help to sort down issues
let mut data = vec![0; 256];
stream.read(&mut data).await.unwrap();
Self::read_except_or_close(cid, &mut stream, &mut data, &mut from_wire_sender)
.await;
Frame::Raw(data)
},
};
@ -183,6 +219,25 @@ impl TcpProtocol {
trace!("shutting down tcp read()");
}
/// read_except and if it fails, close the protocol
async fn write_or_close(
stream: &mut TcpStream,
bytes: &[u8],
to_wire_receiver: &mut mpsc::UnboundedReceiver<Frame>,
) -> bool {
match stream.write_all(&bytes).await {
Err(e) => {
warn!(
?e,
"got an error writing to tcp, going to close this channel"
);
to_wire_receiver.close();
true
},
_ => false,
}
}
//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
@ -190,80 +245,188 @@ impl TcpProtocol {
trace!("starting up tcp write()");
let mut stream = self.stream.clone();
let mut metrics_cache = CidFrameCache::new(self.metrics.frames_wire_out_total.clone(), cid);
let throughput_cache = self
.metrics
.wire_out_throughput
.with_label_values(&[&cid.to_string()]);
while let Some(frame) = to_wire_receiver.next().await {
metrics_cache.with_label_values(&frame).inc();
match frame {
if match frame {
Frame::Handshake {
magic_number,
version,
} => {
stream
.write_all(&FRAME_HANDSHAKE.to_be_bytes())
Self::write_or_close(
&mut stream,
&FRAME_HANDSHAKE.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(&mut stream, &magic_number, &mut to_wire_receiver)
.await
|| Self::write_or_close(
&mut stream,
&version[0].to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&version[1].to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&version[2].to_le_bytes(),
&mut to_wire_receiver,
)
.await
.unwrap();
stream.write_all(&magic_number).await.unwrap();
stream.write_all(&version[0].to_le_bytes()).await.unwrap();
stream.write_all(&version[1].to_le_bytes()).await.unwrap();
stream.write_all(&version[2].to_le_bytes()).await.unwrap();
},
Frame::Init { pid, secret } => {
stream.write_all(&FRAME_INIT.to_be_bytes()).await.unwrap();
stream.write_all(&pid.to_le_bytes()).await.unwrap();
stream.write_all(&secret.to_le_bytes()).await.unwrap();
Self::write_or_close(
&mut stream,
&FRAME_INIT.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&pid.to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&secret.to_le_bytes(),
&mut to_wire_receiver,
)
.await
},
Frame::Shutdown => {
stream
.write_all(&FRAME_SHUTDOWN.to_be_bytes())
.await
.unwrap();
Self::write_or_close(
&mut stream,
&FRAME_SHUTDOWN.to_be_bytes(),
&mut to_wire_receiver,
)
.await
},
Frame::OpenStream {
sid,
prio,
promises,
} => {
stream
.write_all(&FRAME_OPEN_STREAM.to_be_bytes())
Self::write_or_close(
&mut stream,
&FRAME_OPEN_STREAM.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&sid.to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&prio.to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&promises.to_le_bytes(),
&mut to_wire_receiver,
)
.await
.unwrap();
stream.write_all(&sid.to_le_bytes()).await.unwrap();
stream.write_all(&prio.to_le_bytes()).await.unwrap();
stream.write_all(&promises.to_le_bytes()).await.unwrap();
},
Frame::CloseStream { sid } => {
stream
.write_all(&FRAME_CLOSE_STREAM.to_be_bytes())
Self::write_or_close(
&mut stream,
&FRAME_CLOSE_STREAM.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&sid.to_le_bytes(),
&mut to_wire_receiver,
)
.await
.unwrap();
stream.write_all(&sid.to_le_bytes()).await.unwrap();
},
Frame::DataHeader { mid, sid, length } => {
stream
.write_all(&FRAME_DATA_HEADER.to_be_bytes())
Self::write_or_close(
&mut stream,
&FRAME_DATA_HEADER.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&mid.to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&sid.to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&length.to_le_bytes(),
&mut to_wire_receiver,
)
.await
.unwrap();
stream.write_all(&mid.to_le_bytes()).await.unwrap();
stream.write_all(&sid.to_le_bytes()).await.unwrap();
stream.write_all(&length.to_le_bytes()).await.unwrap();
},
Frame::Data { mid, start, data } => {
stream.write_all(&FRAME_DATA.to_be_bytes()).await.unwrap();
stream.write_all(&mid.to_le_bytes()).await.unwrap();
stream.write_all(&start.to_le_bytes()).await.unwrap();
stream
.write_all(&(data.len() as u16).to_le_bytes())
throughput_cache.inc_by(data.len() as i64);
Self::write_or_close(
&mut stream,
&FRAME_DATA.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&mid.to_le_bytes(),
&mut to_wire_receiver,
)
.await
.unwrap();
stream.write_all(&data).await.unwrap();
|| Self::write_or_close(
&mut stream,
&start.to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&(data.len() as u16).to_le_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(&mut stream, &data, &mut to_wire_receiver).await
},
Frame::Raw(data) => {
stream.write_all(&FRAME_RAW.to_be_bytes()).await.unwrap();
stream
.write_all(&(data.len() as u16).to_le_bytes())
Self::write_or_close(
&mut stream,
&FRAME_RAW.to_be_bytes(),
&mut to_wire_receiver,
)
.await
|| Self::write_or_close(
&mut stream,
&(data.len() as u16).to_le_bytes(),
&mut to_wire_receiver,
)
.await
.unwrap();
stream.write_all(&data).await.unwrap();
|| Self::write_or_close(&mut stream, &data, &mut to_wire_receiver).await
},
} {
//failure
return;
}
}
trace!("shutting down tcp write()");
@ -293,6 +456,10 @@ impl UdpProtocol {
) {
trace!("starting up udp read()");
let mut metrics_cache = CidFrameCache::new(self.metrics.frames_wire_in_total.clone(), cid);
let throughput_cache = self
.metrics
.wire_in_throughput
.with_label_values(&[&cid.to_string()]);
let mut data_in = self.data_in.write().await;
let mut end_receiver = end_receiver.fuse();
while let Some(bytes) = select! {
@ -379,6 +546,7 @@ impl UdpProtocol {
]);
let length = u16::from_le_bytes([bytes[17], bytes[18]]);
let mut data = vec![0; length as usize];
throughput_cache.inc_by(length as i64);
data.copy_from_slice(&bytes[19..]);
Frame::Data { mid, start, data }
},
@ -400,6 +568,10 @@ impl UdpProtocol {
trace!("starting up udp write()");
let mut buffer = [0u8; 2000];
let mut metrics_cache = CidFrameCache::new(self.metrics.frames_wire_out_total.clone(), cid);
let throughput_cache = self
.metrics
.wire_out_throughput
.with_label_values(&[&cid.to_string()]);
while let Some(frame) = to_wire_receiver.next().await {
metrics_cache.with_label_values(&frame).inc();
let len = match frame {
@ -572,6 +744,7 @@ impl UdpProtocol {
for i in 0..data.len() {
buffer[19 + i] = data[i];
}
throughput_cache.inc_by(data.len() as i64);
19 + data.len()
},
Frame::Raw(data) => {

32
network/src/scheduler.rs
View File

@ -4,7 +4,7 @@ use crate::{
metrics::NetworkMetrics,
participant::BParticipant,
protocols::{Protocols, TcpProtocol, UdpProtocol},
types::{Cid, Pid, Prio, Sid},
types::{Cid, Pid, Sid},
};
use async_std::{
io, net,
@ -51,12 +51,14 @@ struct ControlChannels {
a2s_connect_r: mpsc::UnboundedReceiver<(Address, oneshot::Sender<io::Result<Participant>>)>,
a2s_scheduler_shutdown_r: oneshot::Receiver<()>,
a2s_disconnect_r: mpsc::UnboundedReceiver<(Pid, oneshot::Sender<async_std::io::Result<()>>)>,
b2s_prio_statistic_r: mpsc::UnboundedReceiver<(Pid, u64, u64)>,
}
#[derive(Debug, Clone)]
struct ParticipantChannels {
s2a_connected_s: mpsc::UnboundedSender<Participant>,
a2s_disconnect_s: mpsc::UnboundedSender<(Pid, oneshot::Sender<async_std::io::Result<()>>)>,
b2s_prio_statistic_s: mpsc::UnboundedSender<(Pid, u64, u64)>,
}
#[derive(Debug)]
@ -92,17 +94,20 @@ impl Scheduler {
let (a2s_scheduler_shutdown_s, a2s_scheduler_shutdown_r) = oneshot::channel::<()>();
let (a2s_disconnect_s, a2s_disconnect_r) =
mpsc::unbounded::<(Pid, oneshot::Sender<async_std::io::Result<()>>)>();
let (b2s_prio_statistic_s, b2s_prio_statistic_r) = mpsc::unbounded::<(Pid, u64, u64)>();
let run_channels = Some(ControlChannels {
a2s_listen_r,
a2s_connect_r,
a2s_scheduler_shutdown_r,
a2s_disconnect_r,
b2s_prio_statistic_r,
});
let participant_channels = ParticipantChannels {
s2a_connected_s,
a2s_disconnect_s,
b2s_prio_statistic_s,
};
let metrics = Arc::new(NetworkMetrics::new(&local_pid).unwrap());
@ -140,7 +145,7 @@ impl Scheduler {
self.listen_mgr(run_channels.a2s_listen_r),
self.connect_mgr(run_channels.a2s_connect_r),
self.disconnect_mgr(run_channels.a2s_disconnect_r),
self.prio_adj_mgr(),
self.prio_adj_mgr(run_channels.b2s_prio_statistic_r),
self.scheduler_shutdown_mgr(run_channels.a2s_scheduler_shutdown_r),
);
}
@ -151,7 +156,7 @@ impl Scheduler {
) {
trace!("start listen_mgr");
a2s_listen_r
.for_each_concurrent(None, |(address, s2a_result_s)| {
.for_each_concurrent(None, |(address, s2a_listen_result_s)| {
let address = address.clone();
async move {
@ -169,7 +174,7 @@ impl Scheduler {
.write()
.await
.insert(address.clone(), end_sender);
self.channel_creator(address, end_receiver, s2a_result_s)
self.channel_creator(address, end_receiver, s2a_listen_result_s)
.await;
}
})
@ -275,9 +280,15 @@ impl Scheduler {
trace!("stop disconnect_mgr");
}
async fn prio_adj_mgr(&self) {
async fn prio_adj_mgr(
&self,
mut b2s_prio_statistic_r: mpsc::UnboundedReceiver<(Pid, u64, u64)>,
) {
trace!("start prio_adj_mgr");
//TODO adjust prios in participants here!
while let Some((_pid, _frame_cnt, _unused)) = b2s_prio_statistic_r.next().await {
//TODO adjust prios in participants here!
}
trace!("stop prio_adj_mgr");
}
@ -300,14 +311,13 @@ impl Scheduler {
}
debug!("wait for partiticipants to be shut down");
for (pid, recv) in waitings {
match recv.await {
Err(e) => error!(
if let Err(e) = recv.await {
error!(
?pid,
?e,
"failed to finish sending all remainding messages to participant when \
shutting down"
),
_ => (),
);
};
}
//removing the possibility to create new participants, needed to close down
@ -499,7 +509,7 @@ impl Scheduler {
});
pool.spawn_ok(
bparticipant
.run()
.run(participant_channels.b2s_prio_statistic_s)
.instrument(tracing::info_span!("participant", ?pid)),
);
//create a new channel within BParticipant and wait for it to run

7
network/src/types.rs
View File

@ -240,6 +240,13 @@ impl From<u64> for Sid {
fn from(internal: u64) -> Self { Sid { internal } }
}
impl std::fmt::Display for Sid {
#[inline]
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.internal)
}
}
#[inline]
fn sixlet_to_str(sixlet: u128) -> char {
match sixlet {

136
network/tests/closing.rs Normal file
View File

@ -0,0 +1,136 @@
use async_std::task;
use task::block_on;
use veloren_network::StreamError;
mod helper;
use helper::{network_participant_stream, tcp};
#[test]
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(200));
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();
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(200));
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_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(200));
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(500));
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_send_100000_then_close_stream() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, mut s1_b) = block_on(network_participant_stream(tcp()));
for _ in 0..100000 {
s1_a.send("woop_PARTY_HARD_woop").unwrap();
}
drop(s1_a);
let exp = Ok("woop_PARTY_HARD_woop".to_string());
println!("start receiving");
block_on(async {
for _ in 0..100000 {
assert_eq!(s1_b.recv().await, exp);
}
});
println!("all received and done");
}
#[test]
fn stream_send_100000_then_close_stream_remote() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, _s1_b) = block_on(network_participant_stream(tcp()));
for _ in 0..100000 {
s1_a.send("woop_PARTY_HARD_woop").unwrap();
}
drop(s1_a);
drop(_s1_b);
//no receiving
}
#[test]
fn stream_send_100000_then_close_stream_remote2() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, _s1_b) = block_on(network_participant_stream(tcp()));
for _ in 0..100000 {
s1_a.send("woop_PARTY_HARD_woop").unwrap();
}
drop(_s1_b);
std::thread::sleep(std::time::Duration::from_millis(200));
drop(s1_a);
//no receiving
}
#[test]
fn stream_send_100000_then_close_stream_remote3() {
let (_, _) = helper::setup(false, 0);
let (_n_a, _, mut s1_a, _n_b, _, _s1_b) = block_on(network_participant_stream(tcp()));
for _ in 0..100000 {
s1_a.send("woop_PARTY_HARD_woop").unwrap();
}
drop(_s1_b);
std::thread::sleep(std::time::Duration::from_millis(200));
drop(s1_a);
//no receiving
}

4
network/tests/helper.rs
View File

@ -13,6 +13,7 @@ use tracing_subscriber::EnvFilter;
use uvth::ThreadPoolBuilder;
use veloren_network::{Address, Network, Participant, Pid, Stream, PROMISES_NONE};
#[allow(dead_code)]
pub fn setup(tracing: bool, mut sleep: u64) -> (u64, u64) {
if tracing {
sleep += 1000
@ -48,6 +49,7 @@ pub fn setup(tracing: bool, mut sleep: u64) -> (u64, u64) {
(0, 0)
}
#[allow(dead_code)]
pub async fn network_participant_stream(
addr: Address,
) -> (
@ -72,6 +74,7 @@ pub async fn network_participant_stream(
(n_a, p1_a, s1_a, n_b, p1_b, s1_b)
}
#[allow(dead_code)]
pub fn tcp() -> veloren_network::Address {
lazy_static! {
static ref PORTS: AtomicU16 = AtomicU16::new(5000);
@ -80,6 +83,7 @@ pub fn tcp() -> veloren_network::Address {
veloren_network::Address::Tcp(SocketAddr::from(([127, 0, 0, 1], port)))
}
#[allow(dead_code)]
pub fn udp() -> veloren_network::Address {
lazy_static! {
static ref PORTS: AtomicU16 = AtomicU16::new(5000);

140
network/tests/integration.rs
View File

@ -1,9 +1,11 @@
use async_std::task;
use task::block_on;
use veloren_network::{NetworkError, StreamError};
use veloren_network::NetworkError;
mod helper;
use helper::{network_participant_stream, tcp, udp};
use std::io::ErrorKind;
use uvth::ThreadPoolBuilder;
use veloren_network::{Address, Network, Pid, PROMISES_CONSISTENCY, PROMISES_ORDERED};
#[test]
#[ignore]
@ -13,49 +15,6 @@ fn network_20s() {
std::thread::sleep(std::time::Duration::from_secs(30));
}
#[test]
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);
@ -78,39 +37,6 @@ fn stream_simple_3msg() {
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(500));
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);
@ -133,8 +59,6 @@ fn stream_simple_udp_3msg() {
assert_eq!(block_on(s1_b.recv()), Ok("3rdMessage".to_string()));
}
use uvth::ThreadPoolBuilder;
use veloren_network::{Address, Network, Pid};
#[test]
#[ignore]
fn tcp_and_udp_2_connections() -> std::result::Result<(), Box<dyn std::error::Error>> {
@ -167,7 +91,7 @@ fn failed_listen_on_used_ports() -> std::result::Result<(), Box<dyn std::error::
let tcp1 = tcp();
block_on(network.listen(udp1.clone()))?;
block_on(network.listen(tcp1.clone()))?;
std::thread::sleep(std::time::Duration::from_millis(50));
std::thread::sleep(std::time::Duration::from_millis(200));
let network2 = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
let e1 = block_on(network2.listen(udp1));
@ -182,3 +106,59 @@ fn failed_listen_on_used_ports() -> std::result::Result<(), Box<dyn std::error::
};
Ok(())
}
/// There is a bug an impris-desktop-1 which fails the DOC tests,
/// it fails exactly `api_stream_send_main` and `api_stream_recv_main` by
/// deadlocking at different times!
/// So i rather put the same test into a unit test, as my gues is that it's
/// compiler related
#[test]
fn api_stream_send_main() -> std::result::Result<(), Box<dyn std::error::Error>> {
let (_, _) = helper::setup(false, 0);
// Create a Network, listen on Port `2200` and wait for a Stream to be opened,
// then answer `Hello World`
let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
block_on(async {
network
.listen(Address::Tcp("127.0.0.1:2200".parse().unwrap()))
.await?;
let remote_p = remote
.connect(Address::Tcp("127.0.0.1:2200".parse().unwrap()))
.await?;
remote_p
.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY)
.await?;
let participant_a = network.connected().await?;
let mut stream_a = participant_a.opened().await?;
//Send Message
stream_a.send("Hello World")?;
Ok(())
})
}
#[test]
fn api_stream_recv_main() -> std::result::Result<(), Box<dyn std::error::Error>> {
let (_, _) = helper::setup(false, 0);
// Create a Network, listen on Port `2220` and wait for a Stream to be opened,
// then listen on it
let network = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
let remote = Network::new(Pid::new(), &ThreadPoolBuilder::new().build(), None);
block_on(async {
network
.listen(Address::Tcp("127.0.0.1:2220".parse().unwrap()))
.await?;
let remote_p = remote
.connect(Address::Tcp("127.0.0.1:2220".parse().unwrap()))
.await?;
let mut stream_p = remote_p
.open(16, PROMISES_ORDERED | PROMISES_CONSISTENCY)
.await?;
stream_p.send("Hello World")?;
let participant_a = network.connected().await?;
let mut stream_a = participant_a.opened().await?;
//Send Message
println!("{}", stream_a.recv::<String>().await?);
Ok(())
})
}