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/// To run this benchmark:
///
/// > DENO_BUILD_MODE=release ./tools/build.py && \
/// ./target/release/deno_core_http_bench --multi-thread
extern crate deno_core;
extern crate futures;
extern crate libc;
extern crate tokio;
#[macro_use]
extern crate log;
#[macro_use]
extern crate lazy_static;
use deno_core::deno_buf;
use deno_core::AsyncResult;
use deno_core::Isolate;
use deno_core::JSError;
use deno_core::Op;
use deno_core::RECORD_OFFSET_ARG;
use deno_core::RECORD_OFFSET_OP;
use deno_core::RECORD_OFFSET_PROMISE_ID;
use deno_core::RECORD_OFFSET_RESULT;
use futures::future::lazy;
use std::collections::HashMap;
use std::env;
use std::net::SocketAddr;
use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering;
use std::sync::Mutex;
use tokio::prelude::*;
const OP_LISTEN: i32 = 1;
const OP_ACCEPT: i32 = 2;
const OP_READ: i32 = 3;
const OP_WRITE: i32 = 4;
const OP_CLOSE: i32 = 5;
fn main() {
let js_source = include_str!("http_bench.js");
let isolate = deno_core::Isolate::new(recv_cb);
let main_future = lazy(move || {
// TODO currently isolate.execute() must be run inside tokio, hence the
// lazy(). It would be nice to not have that contraint. Probably requires
// using v8::MicrotasksPolicy::kExplicit
js_check(isolate.execute("http_bench.js", js_source));
isolate.then(|r| {
js_check(r);
Ok(())
})
});
let args: Vec<String> = env::args().collect();
if args.len() > 1 && args[1] == "--multi-thread" {
println!("multi-thread");
tokio::run(main_future);
} else {
println!("single-thread");
tokio::runtime::current_thread::run(main_future);
}
}
enum Repr {
TcpListener(tokio::net::TcpListener),
TcpStream(tokio::net::TcpStream),
}
type ResourceTable = HashMap<i32, Repr>;
lazy_static! {
static ref RESOURCE_TABLE: Mutex<ResourceTable> = Mutex::new(HashMap::new());
static ref NEXT_RID: AtomicUsize = AtomicUsize::new(3);
}
fn new_rid() -> i32 {
let rid = NEXT_RID.fetch_add(1, Ordering::SeqCst);
rid as i32
}
fn recv_cb(isolate: &mut Isolate, zero_copy_buf: deno_buf) {
isolate.test_send_counter += 1; // TODO ideally store this in isolate.state?
let promise_id = isolate.shared.get_record(0, RECORD_OFFSET_PROMISE_ID);
let op_id = isolate.shared.get_record(0, RECORD_OFFSET_OP);
let arg = isolate.shared.get_record(0, RECORD_OFFSET_ARG);
// dbg!(promise_id);
// dbg!(op_id);
// dbg!(arg);
let is_sync = promise_id == 0;
if is_sync {
// sync ops
match op_id {
OP_CLOSE => {
debug!("close");
assert!(is_sync);
let mut table = RESOURCE_TABLE.lock().unwrap();
let r = table.remove(&arg);
isolate.shared.set_record(
0,
RECORD_OFFSET_RESULT,
if r.is_some() { 0 } else { -1 },
);
}
OP_LISTEN => {
debug!("listen");
assert!(is_sync);
let addr = "127.0.0.1:4544".parse::<SocketAddr>().unwrap();
let listener = tokio::net::TcpListener::bind(&addr).unwrap();
let rid = new_rid();
isolate.shared.set_record(0, RECORD_OFFSET_RESULT, rid);
let mut guard = RESOURCE_TABLE.lock().unwrap();
guard.insert(rid, Repr::TcpListener(listener));
}
_ => panic!("bad op"),
}
} else {
// async ops
let zero_copy_id = zero_copy_buf.zero_copy_id;
let op = match op_id {
OP_ACCEPT => {
let listener_rid = arg;
op_accept(listener_rid)
}
OP_READ => {
let rid = arg;
op_read(rid, zero_copy_buf)
}
OP_WRITE => {
let rid = arg;
op_write(rid, zero_copy_buf)
}
_ => panic!("bad op"),
};
isolate.add_op(promise_id, op, zero_copy_id);
}
}
fn op_accept(listener_rid: i32) -> Box<Op> {
debug!("accept {}", listener_rid);
Box::new(
futures::future::poll_fn(move || {
let mut table = RESOURCE_TABLE.lock().unwrap();
let maybe_repr = table.get_mut(&listener_rid);
match maybe_repr {
Some(Repr::TcpListener(ref mut listener)) => listener.poll_accept(),
_ => panic!("bad rid"),
}
}).and_then(move |(stream, addr)| {
debug!("accept success {}", addr);
let rid = new_rid();
let mut guard = RESOURCE_TABLE.lock().unwrap();
guard.insert(rid, Repr::TcpStream(stream));
Ok(AsyncResult { result: rid })
}),
)
}
fn op_read(rid: i32, mut zero_copy_buf: deno_buf) -> Box<Op> {
debug!("read rid={}", rid);
Box::new(
futures::future::poll_fn(move || {
let mut table = RESOURCE_TABLE.lock().unwrap();
let maybe_repr = table.get_mut(&rid);
match maybe_repr {
Some(Repr::TcpStream(ref mut stream)) => {
stream.poll_read(&mut zero_copy_buf)
}
_ => panic!("bad rid"),
}
}).and_then(move |nread| {
debug!("read success {}", nread);
Ok(AsyncResult {
result: nread as i32,
})
}),
)
}
fn op_write(rid: i32, zero_copy_buf: deno_buf) -> Box<Op> {
debug!("write rid={}", rid);
Box::new(
futures::future::poll_fn(move || {
let mut table = RESOURCE_TABLE.lock().unwrap();
let maybe_repr = table.get_mut(&rid);
match maybe_repr {
Some(Repr::TcpStream(ref mut stream)) => {
stream.poll_write(&zero_copy_buf)
}
_ => panic!("bad rid"),
}
}).and_then(move |nwritten| {
debug!("write success {}", nwritten);
Ok(AsyncResult {
result: nwritten as i32,
})
}),
)
}
fn js_check(r: Result<(), JSError>) {
if let Err(e) = r {
panic!(e.to_string());
}
}
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