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rpc: use async-recursion

This commit is contained in:
Sebastien Bourdeauducq 2020-06-07 21:30:33 +08:00
parent f0588c49ed
commit 7df6ab2149
3 changed files with 23 additions and 7 deletions

12
src/Cargo.lock generated
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@ -1,5 +1,16 @@
# This file is automatically @generated by Cargo. # This file is automatically @generated by Cargo.
# It is not intended for manual editing. # It is not intended for manual editing.
[[package]]
name = "async-recursion"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e5444eec77a9ec2bfe4524139e09195862e981400c4358d3b760cae634e4c4ee"
dependencies = [
"proc-macro2",
"quote",
"syn",
]
[[package]] [[package]]
name = "autocfg" name = "autocfg"
version = "1.0.0" version = "1.0.0"
@ -337,6 +348,7 @@ checksum = "bd7a31eed1591dcbc95d92ad7161908e72f4677f8fabf2a32ca49b4237cbf211"
name = "runtime" name = "runtime"
version = "0.1.0" version = "0.1.0"
dependencies = [ dependencies = [
"async-recursion",
"byteorder", "byteorder",
"core_io", "core_io",
"cslice", "cslice",

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@ -18,6 +18,7 @@ core_io = { version = "0.1", features = ["alloc", "collections"] }
byteorder = { version = "1.3", default-features = false } byteorder = { version = "1.3", default-features = false }
void = { version = "1", default-features = false } void = { version = "1", default-features = false }
futures = { version = "0.3", default-features = false, features = ["async-await"] } futures = { version = "0.3", default-features = false, features = ["async-await"] }
async-recursion = "0.3"
libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" } libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
libsupport_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" } libsupport_zynq = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }
libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zc706.git" } libcortex_a9 = { git = "https://git.m-labs.hk/M-Labs/zc706.git" }

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@ -2,15 +2,18 @@ use core::str;
use cslice::{CSlice, CMutSlice}; use cslice::{CSlice, CMutSlice};
use log::debug; use log::debug;
use core_io::{Write, Error};
use libboard_zynq::smoltcp; use libboard_zynq::smoltcp;
use libasync::smoltcp::TcpStream; use libasync::smoltcp::TcpStream;
use core_io::{Write, Error}; use alloc::boxed::Box;
use async_recursion::async_recursion;
use crate::proto_core_io::ProtoWrite; use crate::proto_core_io::ProtoWrite;
use crate::proto_async; use crate::proto_async;
use self::tag::{Tag, TagIterator, split_tag}; use self::tag::{Tag, TagIterator, split_tag};
async unsafe fn recv_value(stream: &TcpStream, tag: Tag<'_>, data: &mut *mut (), #[async_recursion(?Send)]
async unsafe fn recv_value(stream: &TcpStream, tag: Tag<'async_recursion>, data: &mut *mut (),
alloc: &dyn Fn(usize) -> *mut ()) alloc: &dyn Fn(usize) -> *mut ())
-> Result<(), smoltcp::Error> -> Result<(), smoltcp::Error>
{ {
@ -51,7 +54,7 @@ async unsafe fn recv_value(stream: &TcpStream, tag: Tag<'_>, data: &mut *mut (),
let mut it = it.clone(); let mut it = it.clone();
for _ in 0..arity { for _ in 0..arity {
let tag = it.next().expect("truncated tag"); let tag = it.next().expect("truncated tag");
//TODO: recv_value(reader, tag, data, alloc)? recv_value(stream, tag, data, alloc).await?;
} }
Ok(()) Ok(())
} }
@ -65,16 +68,16 @@ async unsafe fn recv_value(stream: &TcpStream, tag: Tag<'_>, data: &mut *mut (),
let mut data = (*ptr).elements; let mut data = (*ptr).elements;
for _ in 0..(*ptr).length as usize { for _ in 0..(*ptr).length as usize {
//TODO: recv_value(reader, tag, &mut data, alloc).await? recv_value(stream, tag, &mut data, alloc).await?
} }
Ok(()) Ok(())
}) })
} }
Tag::Range(it) => { Tag::Range(it) => {
let tag = it.clone().next().expect("truncated tag"); let tag = it.clone().next().expect("truncated tag");
/*TODO: recv_value(reader, tag, data, alloc).await?; recv_value(stream, tag, data, alloc).await?;
recv_value(reader, tag, data, alloc).await?; recv_value(stream, tag, data, alloc).await?;
recv_value(reader, tag, data, alloc).await?;*/ recv_value(stream, tag, data, alloc).await?;
Ok(()) Ok(())
} }
Tag::Keyword(_) => unreachable!(), Tag::Keyword(_) => unreachable!(),