open TCP server socket

This commit is contained in:
Sebastien Bourdeauducq 2020-04-12 10:38:52 +08:00
parent 1d7914a20a
commit d3d2d75489
2 changed files with 105 additions and 53 deletions

View File

@ -4,23 +4,16 @@
extern crate alloc;
use core::{cmp, str};
use core::mem::transmute;
use libboard_zynq::{
println,
self as zynq, clocks::Clocks, clocks::source::{ClockSource, ArmPll, IoPll},
smoltcp::{
wire::{EthernetAddress, IpAddress, IpCidr},
iface::{NeighborCache, EthernetInterfaceBuilder, Routes},
time::Instant,
},
};
use libsupport_zynq::{
ram, alloc::{vec, vec::Vec},
};
use libasync::smoltcp::Sockets;
use libsupport_zynq::ram;
mod pl;
mod network;
fn identifier_read(buf: &mut [u8]) -> &str {
unsafe {
@ -35,8 +28,6 @@ fn identifier_read(buf: &mut [u8]) -> &str {
}
}
const HWADDR: [u8; 6] = [0, 0x23, 0xab, 0xad, 0x1d, 0xea];
#[no_mangle]
pub fn main_core0() {
println!("ARTIQ runtime starting...");
@ -46,52 +37,13 @@ pub fn main_core0() {
ArmPll::setup(2 * CPU_FREQ);
Clocks::set_cpu_freq(CPU_FREQ);
IoPll::setup(1_000_000_000);
libboard_zynq::stdio::drop_uart(); // why?
libboard_zynq::stdio::drop_uart(); // reinitialize UART after clocking change
let mut ddr = zynq::ddr::DdrRam::new();
ram::init_alloc(&mut ddr);
println!("Detected gateware: {}", identifier_read(&mut [0; 64]));
let eth = zynq::eth::Eth::default(HWADDR.clone());
const RX_LEN: usize = 8;
let mut rx_descs = (0..RX_LEN)
.map(|_| zynq::eth::rx::DescEntry::zeroed())
.collect::<Vec<_>>();
let mut rx_buffers = vec![zynq::eth::Buffer::new(); RX_LEN];
// Number of transmission buffers (minimum is two because with
// one, duplicate packet transmission occurs)
const TX_LEN: usize = 8;
let mut tx_descs = (0..TX_LEN)
.map(|_| zynq::eth::tx::DescEntry::zeroed())
.collect::<Vec<_>>();
let mut tx_buffers = vec![zynq::eth::Buffer::new(); TX_LEN];
let eth = eth.start_rx(&mut rx_descs, &mut rx_buffers);
let mut eth = eth.start_tx(
// HACK
unsafe { transmute(tx_descs.as_mut_slice()) },
unsafe { transmute(tx_buffers.as_mut_slice()) },
);
let ethernet_addr = EthernetAddress(HWADDR);
let local_addr = IpAddress::v4(192, 168, 1, 52);
let mut ip_addrs = [IpCidr::new(local_addr, 24)];
let mut routes_storage = vec![None; 4];
let routes = Routes::new(&mut routes_storage[..]);
let mut neighbor_storage = vec![None; 256];
let neighbor_cache = NeighborCache::new(&mut neighbor_storage[..]);
let mut iface = EthernetInterfaceBuilder::new(&mut eth)
.ethernet_addr(ethernet_addr)
.ip_addrs(&mut ip_addrs[..])
.routes(routes)
.neighbor_cache(neighbor_cache)
.finalize();
Sockets::init(32);
let mut time = 0u32;
Sockets::run(&mut iface, || {
time += 1;
Instant::from_millis(time)
});
network::network_main();
}
#[no_mangle]

100
runtime/src/network.rs Normal file
View File

@ -0,0 +1,100 @@
use core::{mem::transmute, task::Poll};
use alloc::{borrow::ToOwned, format};
use libboard_zynq::{
println,
self as zynq,
smoltcp::{
self,
wire::{EthernetAddress, IpAddress, Ipv4Address, IpCidr},
iface::{NeighborCache, EthernetInterfaceBuilder, Routes},
time::Instant,
},
};
use libsupport_zynq::alloc::{vec, vec::Vec};
use libasync::smoltcp::{Sockets, TcpStream};
async fn handle_connection(stream: TcpStream) -> smoltcp::Result<()> {
stream.send("Enter your name: ".bytes()).await?;
let name = stream.recv(|buf| {
for (i, b) in buf.iter().enumerate() {
if *b == '\n' as u8 {
return match core::str::from_utf8(&buf[0..i]) {
Ok(name) =>
Poll::Ready((i + 1, Some(name.to_owned()))),
Err(_) =>
Poll::Ready((i + 1, None))
};
}
}
if buf.len() > 100 {
// Too much input, consume all
Poll::Ready((buf.len(), None))
} else {
Poll::Pending
}
}).await?;
match name {
Some(name) =>
stream.send(format!("Hello {}!\n", name).bytes()).await?,
None =>
stream.send("I had trouble reading your name.\n".bytes()).await?,
}
stream.flush().await;
Ok(())
}
const HWADDR: [u8; 6] = [0, 0x23, 0xab, 0xad, 0x1d, 0xea];
const IPADDR: IpAddress = IpAddress::Ipv4(Ipv4Address([192, 168, 1, 52]));
pub fn network_main() {
let eth = zynq::eth::Eth::default(HWADDR.clone());
const RX_LEN: usize = 8;
let mut rx_descs = (0..RX_LEN)
.map(|_| zynq::eth::rx::DescEntry::zeroed())
.collect::<Vec<_>>();
let mut rx_buffers = vec![zynq::eth::Buffer::new(); RX_LEN];
// Number of transmission buffers (minimum is two because with
// one, duplicate packet transmission occurs)
const TX_LEN: usize = 8;
let mut tx_descs = (0..TX_LEN)
.map(|_| zynq::eth::tx::DescEntry::zeroed())
.collect::<Vec<_>>();
let mut tx_buffers = vec![zynq::eth::Buffer::new(); TX_LEN];
let eth = eth.start_rx(&mut rx_descs, &mut rx_buffers);
let mut eth = eth.start_tx(
// HACK
unsafe { transmute(tx_descs.as_mut_slice()) },
unsafe { transmute(tx_buffers.as_mut_slice()) },
);
let ethernet_addr = EthernetAddress(HWADDR);
let mut ip_addrs = [IpCidr::new(IPADDR, 24)];
let mut routes_storage = vec![None; 4];
let routes = Routes::new(&mut routes_storage[..]);
let mut neighbor_storage = vec![None; 256];
let neighbor_cache = NeighborCache::new(&mut neighbor_storage[..]);
let mut iface = EthernetInterfaceBuilder::new(&mut eth)
.ethernet_addr(ethernet_addr)
.ip_addrs(&mut ip_addrs[..])
.routes(routes)
.neighbor_cache(neighbor_cache)
.finalize();
Sockets::init(32);
TcpStream::listen(1381, 2048, 2048, 8, |stream| async {
let _ = handle_connection(stream)
.await
.map_err(|e| println!("Connection: {:?}", e));
});
let mut time = 0u32;
Sockets::run(&mut iface, || {
time += 1;
Instant::from_millis(time)
});
}