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io-uring: add recvmsg

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This commit is contained in:
Julian Orth 2022-05-13 21:17:28 +02:00
parent 82aae68d98
commit 7cc6c945d3
5 changed files with 173 additions and 49 deletions
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16
src/io_uring.rs
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@ -4,8 +4,8 @@ use {
async_engine::AsyncEngine,
io_uring::{
ops::{
async_cancel::AsyncCancelTask, poll::PollTask, sendmsg::SendmsgTask,
timeout::TimeoutTask, write::WriteTask,
async_cancel::AsyncCancelTask, poll::PollTask, recvmsg::RecvmsgTask,
sendmsg::SendmsgTask, timeout::TimeoutTask, write::WriteTask,
},
pending_result::PendingResults,
sys::{
@ -17,6 +17,7 @@ use {
utils::{
asyncevent::AsyncEvent,
bitflags::BitflagsExt,
buf::Buf,
copyhashmap::CopyHashMap,
errorfmt::ErrorFmt,
mmap::{mmap, Mmapped},
@ -76,6 +77,8 @@ pub enum IoUringError {
Destroyed,
#[error("io_uring_enter failed")]
Enter(#[source] OsError),
#[error("Kernel sent invalid cmsg data")]
InvalidCmsgData,
}
pub struct IoUring {
@ -205,7 +208,9 @@ impl IoUring {
cached_cancels: Default::default(),
cached_polls: Default::default(),
cached_sendmsg: Default::default(),
cached_recvmsg: Default::default(),
cached_timeouts: Default::default(),
cached_cmsg_bufs: Default::default(),
fd_ids_scratch: Default::default(),
});
Ok(Rc::new(Self { ring: data }))
@ -251,11 +256,14 @@ struct IoUringData {
tasks: CopyHashMap<u64, Box<dyn Task>>,
pending_results: PendingResults,
cached_writes: Stack<Box<WriteTask>>,
cached_cancels: Stack<Box<AsyncCancelTask>>,
cached_polls: Stack<Box<PollTask>>,
cached_sendmsg: Stack<Box<SendmsgTask>>,
cached_recvmsg: Stack<Box<RecvmsgTask>>,
cached_timeouts: Stack<Box<TimeoutTask>>,
cached_cmsg_bufs: Stack<Buf>,
fd_ids_scratch: RefCell<Vec<c::c_int>>,
}
@ -432,6 +440,10 @@ impl IoUringData {
}
}
}
fn cmsg_buf(&self) -> Buf {
self.cached_cmsg_bufs.pop().unwrap_or_else(|| Buf::new(256))
}
}
struct Cancellable<'a> {