forked from M-Labs/artiq
firmware: use dedicated error types for every protocol and thread.
Good riddance to io::Error::Unrecognized.
This commit is contained in:
whitequark
parent
514eab3d39
commit
479cb9a857
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@ -208,6 +208,7 @@ dependencies = [
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"failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"io 0.0.0",
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"log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"std_artiq 0.0.0",
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]
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[[package]]
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@ -226,6 +227,8 @@ dependencies = [
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"build_misoc 0.0.0",
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"byteorder 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"cslice 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"fringe 1.1.0 (git+https://github.com/m-labs/libfringe?rev=bd23494)",
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"io 0.0.0",
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"log 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -270,6 +273,9 @@ dependencies = [
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[[package]]
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name = "std_artiq"
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version = "0.0.0"
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dependencies = [
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"failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "syn"
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@ -18,13 +18,13 @@ mod proto;
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pub use cursor::Cursor;
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#[cfg(feature = "byteorder")]
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pub use proto::{ProtoRead, ProtoWrite};
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#[cfg(all(feature = "byteorder", feature = "alloc"))]
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pub use proto::ReadStringError;
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#[derive(Fail, Debug, Clone, PartialEq)]
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pub enum Error<T> {
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#[fail(display = "unexpected end of stream")]
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UnexpectedEnd,
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#[fail(display = "unrecognized input")]
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Unrecognized,
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#[fail(display = "{}", _0)]
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Other(#[cause] T)
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}
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@ -8,22 +8,11 @@ use ::{Read, Write, Error as IoError};
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#[derive(Fail, Debug, Clone, PartialEq)]
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pub enum ReadStringError<T> {
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#[fail(display = "invalid UTF-8: {}", _0)]
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Utf8Error(Utf8Error),
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Utf8(Utf8Error),
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#[fail(display = "{}", _0)]
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Other(T)
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}
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#[cfg(feature = "alloc")]
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impl<T> From<ReadStringError<IoError<T>>> for IoError<T>
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{
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fn from(value: ReadStringError<IoError<T>>) -> IoError<T> {
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match value {
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ReadStringError::Utf8Error(_) => IoError::Unrecognized,
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ReadStringError::Other(err) => err
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}
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}
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}
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pub trait ProtoRead {
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type ReadError;
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@ -75,7 +64,7 @@ pub trait ProtoRead {
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#[inline]
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fn read_string(&mut self) -> Result<::alloc::String, ReadStringError<Self::ReadError>> {
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let bytes = self.read_bytes().map_err(ReadStringError::Other)?;
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String::from_utf8(bytes).map_err(|err| ReadStringError::Utf8Error(err.utf8_error()))
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String::from_utf8(bytes).map_err(|err| ReadStringError::Utf8(err.utf8_error()))
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}
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}
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@ -15,6 +15,8 @@ cslice = { version = "0.3" }
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log = { version = "0.4", default-features = false, optional = true }
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io = { path = "../libio", features = ["byteorder"] }
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dyld = { path = "../libdyld" }
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# TODO: remove
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std_artiq = { path = "../libstd_artiq", optional = true }
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[features]
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alloc = ["io/alloc"]
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alloc = ["io/alloc", "std_artiq"]
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@ -1,4 +1,4 @@
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use io::{Write, ProtoWrite, Error};
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use io::{Write, ProtoWrite, Error as IoError};
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#[derive(Debug)]
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pub struct Header {
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@ -10,7 +10,9 @@ pub struct Header {
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}
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impl Header {
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pub fn write_to<T: Write>(&self, writer: &mut T) -> Result<(), Error<T::WriteError>> {
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pub fn write_to<W>(&self, writer: &mut W) -> Result<(), IoError<W::WriteError>>
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where W: Write + ?Sized
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{
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writer.write_u32(self.sent_bytes)?;
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writer.write_u64(self.total_byte_count)?;
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writer.write_u8(self.overflow_occurred as u8)?;
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@ -1,4 +1,18 @@
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use io::{Read, ProtoRead, Write, ProtoWrite, Error};
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use io::{Read, ProtoRead, Write, ProtoWrite, Error as IoError};
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#[derive(Fail, Debug)]
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pub enum Error<T> {
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#[fail(display = "unknown packet {:#02x}", _0)]
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UnknownPacket(u8),
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#[fail(display = "{}", _0)]
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Io(#[cause] IoError<T>)
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}
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impl<T> From<IoError<T>> for Error<T> {
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fn from(value: IoError<T>) -> Error<T> {
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Error::Io(value)
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}
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}
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#[derive(Debug)]
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pub enum Packet {
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@ -36,7 +50,9 @@ pub enum Packet {
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}
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impl Packet {
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pub fn read_from<T: Read>(reader: &mut T) -> Result<Self, Error<T::ReadError>> {
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pub fn read_from<R>(reader: &mut R) -> Result<Self, Error<R::ReadError>>
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where R: Read + ?Sized
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{
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Ok(match reader.read_u8()? {
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0x00 => Packet::EchoRequest,
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0x01 => Packet::EchoReply,
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@ -129,11 +145,13 @@ impl Packet {
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succeeded: reader.read_bool()?
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},
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_ => return Err(Error::Unrecognized)
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ty => return Err(Error::UnknownPacket(ty))
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})
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}
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pub fn write_to<T: Write>(&self, writer: &mut T) -> Result<(), Error<T::WriteError>> {
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pub fn write_to<W>(&self, writer: &mut W) -> Result<(), IoError<W::WriteError>>
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where W: Write + ?Sized
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{
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match *self {
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Packet::EchoRequest =>
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writer.write_u8(0x00)?,
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@ -1,6 +1,9 @@
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#![no_std]
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#![cfg_attr(feature = "alloc", feature(alloc))]
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extern crate failure;
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#[macro_use]
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extern crate failure_derive;
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#[cfg(feature = "alloc")]
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extern crate alloc;
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extern crate cslice;
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@ -8,6 +11,8 @@ extern crate cslice;
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#[macro_use]
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extern crate log;
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#[cfg(feature = "std_artiq")]
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extern crate std_artiq;
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extern crate io;
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extern crate dyld;
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@ -2,7 +2,46 @@ use alloc::Vec;
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#[cfg(feature = "log")]
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use log;
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use io::{Read, ProtoRead, Write, ProtoWrite, Error};
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use io::{Read, ProtoRead, Write, ProtoWrite, Error as IoError};
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#[derive(Fail, Debug)]
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pub enum Error<T> {
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#[fail(display = "incorrect magic")]
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WrongMagic,
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#[fail(display = "unknown packet {:#02x}", _0)]
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UnknownPacket(u8),
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#[fail(display = "unknown log level {}", _0)]
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UnknownLogLevel(u8),
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#[fail(display = "{}", _0)]
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Io(#[cause] IoError<T>)
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}
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impl<T> From<IoError<T>> for Error<T> {
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fn from(value: IoError<T>) -> Error<T> {
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Error::Io(value)
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}
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}
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#[cfg(feature = "std_artiq")]
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impl From<::std_artiq::io::Error> for Error<::std_artiq::io::Error> {
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fn from(value: ::std_artiq::io::Error) -> Error<::std_artiq::io::Error> {
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Error::Io(IoError::Other(value))
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}
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}
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pub fn read_magic<R>(reader: &mut R) -> Result<(), Error<R::ReadError>>
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where R: Read + ?Sized
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{
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const MAGIC: &'static [u8] = b"ARTIQ management\n";
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let mut magic: [u8; 17] = [0; 17];
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reader.read_exact(&mut magic)?;
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if magic != MAGIC {
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Err(Error::WrongMagic)
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} else {
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Ok(())
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}
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}
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#[derive(Debug)]
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pub enum Request {
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@ -40,7 +79,9 @@ pub enum Reply<'a> {
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}
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impl Request {
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pub fn read_from<T: Read + ?Sized>(reader: &mut T) -> Result<Self, Error<T::ReadError>> {
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pub fn read_from<R>(reader: &mut R) -> Result<Self, Error<R::ReadError>>
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where R: Read + ?Sized
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{
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#[cfg(feature = "log")]
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fn read_log_level_filter<T: Read + ?Sized>(reader: &mut T) ->
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Result<log::LevelFilter, Error<T::ReadError>> {
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@ -51,7 +92,7 @@ impl Request {
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3 => log::LevelFilter::Info,
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4 => log::LevelFilter::Debug,
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5 => log::LevelFilter::Trace,
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_ => return Err(Error::Unrecognized)
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lv => return Err(Error::UnknownLogLevel(lv))
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})
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}
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@ -73,13 +114,15 @@ impl Request {
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4 => Request::Hotswap(reader.read_bytes()?),
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5 => Request::Reboot,
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8 => Request::DebugAllocator,
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_ => return Err(Error::Unrecognized)
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ty => return Err(Error::UnknownPacket(ty))
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})
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}
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}
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impl<'a> Reply<'a> {
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pub fn write_to<T: Write + ?Sized>(&self, writer: &mut T) -> Result<(), Error<T::WriteError>> {
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pub fn write_to<W>(&self, writer: &mut W) -> Result<(), IoError<W::WriteError>>
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where W: Write + ?Sized
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{
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match *self {
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Reply::Success => {
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writer.write_u8(1)?;
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@ -1,4 +1,41 @@
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use io::{Read, ProtoRead, Write, ProtoWrite, Error};
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use io::{Read, ProtoRead, Write, ProtoWrite, Error as IoError};
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#[derive(Fail, Debug)]
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pub enum Error<T> {
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#[fail(display = "incorrect magic")]
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WrongMagic,
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#[fail(display = "unknown packet {:#02x}", _0)]
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UnknownPacket(u8),
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#[fail(display = "{}", _0)]
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Io(#[cause] IoError<T>)
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}
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impl<T> From<IoError<T>> for Error<T> {
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fn from(value: IoError<T>) -> Error<T> {
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Error::Io(value)
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}
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}
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#[cfg(feature = "std_artiq")]
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impl From<::std_artiq::io::Error> for Error<::std_artiq::io::Error> {
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fn from(value: ::std_artiq::io::Error) -> Error<::std_artiq::io::Error> {
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Error::Io(IoError::Other(value))
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}
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}
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pub fn read_magic<R>(reader: &mut R) -> Result<(), Error<R::ReadError>>
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where R: Read + ?Sized
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{
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const MAGIC: &'static [u8] = b"ARTIQ moninj\n";
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let mut magic: [u8; 13] = [0; 13];
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reader.read_exact(&mut magic)?;
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if magic != MAGIC {
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Err(Error::WrongMagic)
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} else {
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Ok(())
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}
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}
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#[derive(Debug)]
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pub enum HostMessage {
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@ -14,7 +51,9 @@ pub enum DeviceMessage {
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}
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impl HostMessage {
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pub fn read_from<T: Read + ?Sized>(reader: &mut T) -> Result<Self, Error<T::ReadError>> {
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pub fn read_from<R>(reader: &mut R) -> Result<Self, Error<R::ReadError>>
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where R: Read + ?Sized
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{
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Ok(match reader.read_u8()? {
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0 => HostMessage::Monitor {
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enable: if reader.read_u8()? == 0 { false } else { true },
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@ -30,13 +69,15 @@ impl HostMessage {
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channel: reader.read_u32()?,
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overrd: reader.read_u8()?
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},
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_ => return Err(Error::Unrecognized)
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ty => return Err(Error::UnknownPacket(ty))
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})
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}
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}
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impl DeviceMessage {
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pub fn write_to<T: Write + ?Sized>(&self, writer: &mut T) -> Result<(), Error<T::WriteError>> {
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pub fn write_to<W>(&self, writer: &mut W) -> Result<(), IoError<W::WriteError>>
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where W: Write + ?Sized
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{
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match *self {
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DeviceMessage::MonitorStatus { channel, probe, value } => {
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writer.write_u8(0)?;
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@ -4,10 +4,11 @@ use cslice::{CSlice, CMutSlice};
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use io::{ProtoRead, Read, Write, ProtoWrite, Error};
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use self::tag::{Tag, TagIterator, split_tag};
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unsafe fn recv_value<T>(reader: &mut T, tag: Tag, data: &mut *mut (),
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alloc: &Fn(usize) -> Result<*mut (), Error<T::ReadError>>)
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-> Result<(), Error<T::ReadError>>
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where T: Read + ?Sized
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unsafe fn recv_value<R, E>(reader: &mut R, tag: Tag, data: &mut *mut (),
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alloc: &Fn(usize) -> Result<*mut (), E>)
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-> Result<(), E>
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where R: Read + ?Sized,
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E: From<Error<R::ReadError>>
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{
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macro_rules! consume_value {
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($ty:ty, |$ptr:ident| $map:expr) => ({
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@ -74,10 +75,11 @@ unsafe fn recv_value<T>(reader: &mut T, tag: Tag, data: &mut *mut (),
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}
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}
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pub fn recv_return<T>(reader: &mut T, tag_bytes: &[u8], data: *mut (),
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alloc: &Fn(usize) -> Result<*mut (), Error<T::ReadError>>)
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-> Result<(), Error<T::ReadError>>
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where T: Read + ?Sized
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pub fn recv_return<R, E>(reader: &mut R, tag_bytes: &[u8], data: *mut (),
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alloc: &Fn(usize) -> Result<*mut (), E>)
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-> Result<(), E>
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where R: Read + ?Sized,
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E: From<Error<R::ReadError>>
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{
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let mut it = TagIterator::new(tag_bytes);
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#[cfg(feature = "log")]
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@ -90,9 +92,9 @@ pub fn recv_return<T>(reader: &mut T, tag_bytes: &[u8], data: *mut (),
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Ok(())
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}
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unsafe fn send_value<T>(writer: &mut T, tag: Tag, data: &mut *const ())
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-> Result<(), Error<T::WriteError>>
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where T: Write + ?Sized
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unsafe fn send_value<W>(writer: &mut W, tag: Tag, data: &mut *const ())
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-> Result<(), Error<W::WriteError>>
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where W: Write + ?Sized
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{
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macro_rules! consume_value {
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($ty:ty, |$ptr:ident| $map:expr) => ({
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|
|
@ -167,9 +169,9 @@ unsafe fn send_value<T>(writer: &mut T, tag: Tag, data: &mut *const ())
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}
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}
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pub fn send_args<T>(writer: &mut T, service: u32, tag_bytes: &[u8], data: *const *const ())
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-> Result<(), Error<T::WriteError>>
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where T: Write + ?Sized
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pub fn send_args<W>(writer: &mut W, service: u32, tag_bytes: &[u8], data: *const *const ())
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-> Result<(), Error<W::WriteError>>
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where W: Write + ?Sized
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{
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let (arg_tags_bytes, return_tag_bytes) = split_tag(tag_bytes);
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|
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|
|
|
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|
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@ -1,8 +1,59 @@
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use core::str::Utf8Error;
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use alloc::{Vec, String};
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use io::{Read, ProtoRead, Write, ProtoWrite, Error};
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use io::{Read, ProtoRead, Write, ProtoWrite, Error as IoError, ReadStringError};
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|
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fn read_sync<T: Read + ?Sized>(reader: &mut T) -> Result<(), Error<T::ReadError>> {
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#[derive(Fail, Debug)]
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pub enum Error<T> {
|
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#[fail(display = "incorrect magic")]
|
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WrongMagic,
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#[fail(display = "unknown packet {:#02x}", _0)]
|
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UnknownPacket(u8),
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#[fail(display = "invalid UTF-8: {}", _0)]
|
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Utf8(Utf8Error),
|
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#[fail(display = "{}", _0)]
|
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Io(#[cause] IoError<T>)
|
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}
|
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|
||||
impl<T> From<IoError<T>> for Error<T> {
|
||||
fn from(value: IoError<T>) -> Error<T> {
|
||||
Error::Io(value)
|
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}
|
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}
|
||||
|
||||
impl<T> From<ReadStringError<IoError<T>>> for Error<T> {
|
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fn from(value: ReadStringError<IoError<T>>) -> Error<T> {
|
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match value {
|
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ReadStringError::Utf8(err) => Error::Utf8(err),
|
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ReadStringError::Other(err) => Error::Io(err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "std_artiq")]
|
||||
impl From<::std_artiq::io::Error> for Error<::std_artiq::io::Error> {
|
||||
fn from(value: ::std_artiq::io::Error) -> Error<::std_artiq::io::Error> {
|
||||
Error::Io(IoError::Other(value))
|
||||
}
|
||||
}
|
||||
|
||||
pub fn read_magic<R>(reader: &mut R) -> Result<(), Error<R::ReadError>>
|
||||
where R: Read + ?Sized
|
||||
{
|
||||
const MAGIC: &'static [u8] = b"ARTIQ coredev\n";
|
||||
|
||||
let mut magic: [u8; 14] = [0; 14];
|
||||
reader.read_exact(&mut magic)?;
|
||||
if magic != MAGIC {
|
||||
Err(Error::WrongMagic)
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
fn read_sync<R>(reader: &mut R) -> Result<(), IoError<R::ReadError>>
|
||||
where R: Read + ?Sized
|
||||
{
|
||||
let mut sync = [0; 4];
|
||||
for i in 0.. {
|
||||
sync[i % 4] = reader.read_u8()?;
|
||||
|
|
@ -11,7 +62,9 @@ fn read_sync<T: Read + ?Sized>(reader: &mut T) -> Result<(), Error<T::ReadError>
|
|||
Ok(())
|
||||
}
|
||||
|
||||
fn write_sync<T: Write + ?Sized>(writer: &mut T) -> Result<(), Error<T::WriteError>> {
|
||||
fn write_sync<W>(writer: &mut W) -> Result<(), IoError<W::WriteError>>
|
||||
where W: Write + ?Sized
|
||||
{
|
||||
writer.write_all(&[0x5a; 4])
|
||||
}
|
||||
|
||||
|
|
@ -41,7 +94,9 @@ pub enum Request {
|
|||
}
|
||||
|
||||
impl Request {
|
||||
pub fn read_from<T: Read + ?Sized>(reader: &mut T) -> Result<Self, Error<T::ReadError>> {
|
||||
pub fn read_from<R>(reader: &mut R) -> Result<Self, Error<R::ReadError>>
|
||||
where R: Read + ?Sized
|
||||
{
|
||||
read_sync(reader)?;
|
||||
Ok(match reader.read_u8()? {
|
||||
3 => Request::SystemInfo,
|
||||
|
|
@ -73,7 +128,7 @@ impl Request {
|
|||
12 => Request::FlashRemove {
|
||||
key: reader.read_string()?
|
||||
},
|
||||
_ => return Err(Error::Unrecognized)
|
||||
ty => return Err(Error::UnknownPacket(ty))
|
||||
})
|
||||
}
|
||||
}
|
||||
|
|
@ -114,7 +169,9 @@ pub enum Reply<'a> {
|
|||
}
|
||||
|
||||
impl<'a> Reply<'a> {
|
||||
pub fn write_to<T: Write + ?Sized>(&self, writer: &mut T) -> Result<(), Error<T::WriteError>> {
|
||||
pub fn write_to<W>(&self, writer: &mut W) -> Result<(), IoError<W::WriteError>>
|
||||
where W: Write + ?Sized
|
||||
{
|
||||
write_sync(writer)?;
|
||||
match *self {
|
||||
Reply::SystemInfo { ident, finished_cleanly } => {
|
||||
|
|
|
|||
|
|
@ -10,3 +10,6 @@ path = "lib.rs"
|
|||
[features]
|
||||
alloc = []
|
||||
io_error_alloc = []
|
||||
|
||||
[dependencies]
|
||||
failure = { version = "0.1", default-features = false }
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@ extern crate std_unicode;
|
|||
#[macro_use]
|
||||
#[macro_reexport(vec, format)]
|
||||
extern crate alloc;
|
||||
extern crate failure;
|
||||
|
||||
pub use core::{any, cell, clone, cmp, convert, default, hash, iter, marker, mem, num,
|
||||
ops, option, ptr, result, sync,
|
||||
|
|
@ -38,3 +39,5 @@ impl<T> FakeBox<T> {
|
|||
val
|
||||
}
|
||||
}
|
||||
|
||||
impl failure::Fail for error::Error + Send + Sync {}
|
||||
|
|
|
|||
|
|
@ -14,6 +14,8 @@ build_misoc = { path = "../libbuild_misoc" }
|
|||
build_artiq = { path = "../libbuild_artiq" }
|
||||
|
||||
[dependencies]
|
||||
failure = { version = "0.1", default-features = false }
|
||||
failure_derive = { version = "0.1", default-features = false }
|
||||
byteorder = { version = "1.0", default-features = false }
|
||||
cslice = { version = "0.3" }
|
||||
log = { version = "0.4", default-features = false }
|
||||
|
|
|
|||
|
|
@ -1,7 +1,6 @@
|
|||
use io;
|
||||
use kernel_proto as kern;
|
||||
use sched::Io;
|
||||
use session::{kern_acknowledge, kern_send};
|
||||
use session::{kern_acknowledge, kern_send, Error};
|
||||
#[cfg(has_rtio_core)]
|
||||
use rtio_mgt;
|
||||
|
||||
|
|
@ -291,7 +290,7 @@ mod spi {
|
|||
}
|
||||
}
|
||||
|
||||
pub fn process_kern_hwreq(io: &Io, request: &kern::Message) -> Result<bool, io::Error<::std::io::Error>> {
|
||||
pub fn process_kern_hwreq(io: &Io, request: &kern::Message) -> Result<bool, Error<::std::io::Error>> {
|
||||
match request {
|
||||
#[cfg(has_rtio_core)]
|
||||
&kern::RtioInitRequest => {
|
||||
|
|
|
|||
|
|
@ -2,6 +2,9 @@
|
|||
#![feature(lang_items, alloc, global_allocator, try_from, nonzero, nll)]
|
||||
|
||||
extern crate alloc;
|
||||
extern crate failure;
|
||||
#[macro_use]
|
||||
extern crate failure_derive;
|
||||
extern crate cslice;
|
||||
#[macro_use]
|
||||
extern crate log;
|
||||
|
|
|
|||
|
|
@ -1,27 +1,15 @@
|
|||
use log::{self, LevelFilter};
|
||||
|
||||
use io::{self, Read, Write, ProtoWrite};
|
||||
use io::{Write, ProtoWrite, Error as IoError};
|
||||
use board_misoc::boot;
|
||||
use logger_artiq::BufferLogger;
|
||||
use mgmt_proto::*;
|
||||
use sched::Io;
|
||||
use sched::{TcpListener, TcpStream};
|
||||
use mgmt_proto::*;
|
||||
use profiler;
|
||||
|
||||
fn check_magic(stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Error>> {
|
||||
const MAGIC: &'static [u8] = b"ARTIQ management\n";
|
||||
|
||||
let mut magic: [u8; 17] = [0; 17];
|
||||
stream.read_exact(&mut magic)?;
|
||||
if magic != MAGIC {
|
||||
Err(io::Error::Unrecognized)
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
fn worker(io: &Io, stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Error>> {
|
||||
check_magic(stream)?;
|
||||
fn worker(io: &Io, stream: &mut TcpStream) -> Result<(), Error<::std::io::Error>> {
|
||||
read_magic(stream)?;
|
||||
info!("new connection from {}", stream.remote_endpoint());
|
||||
|
||||
loop {
|
||||
|
|
@ -34,7 +22,7 @@ fn worker(io: &Io, stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Er
|
|||
}
|
||||
|
||||
Request::ClearLog => {
|
||||
BufferLogger::with(|logger| -> Result<(), io::Error<::std::io::Error>> {
|
||||
BufferLogger::with(|logger| -> Result<(), Error<::std::io::Error>> {
|
||||
let mut buffer = io.until_ok(|| logger.buffer())?;
|
||||
Ok(buffer.clear())
|
||||
})?;
|
||||
|
|
@ -43,7 +31,7 @@ fn worker(io: &Io, stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Er
|
|||
}
|
||||
|
||||
Request::PullLog => {
|
||||
BufferLogger::with(|logger| -> Result<(), io::Error<::std::io::Error>> {
|
||||
BufferLogger::with(|logger| -> Result<(), Error<::std::io::Error>> {
|
||||
loop {
|
||||
// Do this *before* acquiring the buffer, since that sets the log level
|
||||
// to OFF.
|
||||
|
|
@ -165,7 +153,7 @@ pub fn thread(io: Io) {
|
|||
let mut stream = TcpStream::from_handle(&io, stream);
|
||||
match worker(&io, &mut stream) {
|
||||
Ok(()) => (),
|
||||
Err(io::Error::UnexpectedEnd) => (),
|
||||
Err(Error::Io(IoError::UnexpectedEnd)) => (),
|
||||
Err(err) => error!("aborted: {}", err)
|
||||
}
|
||||
});
|
||||
|
|
|
|||
|
|
@ -1,26 +1,12 @@
|
|||
use alloc::btree_map::BTreeMap;
|
||||
|
||||
use io::{self, Read};
|
||||
use moninj_proto::*;
|
||||
use sched::Io;
|
||||
use sched::{TcpListener, TcpStream};
|
||||
use board_misoc::{clock, csr};
|
||||
#[cfg(has_drtio)]
|
||||
use drtioaux;
|
||||
|
||||
use moninj_proto::*;
|
||||
|
||||
fn check_magic(stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Error>> {
|
||||
const MAGIC: &'static [u8] = b"ARTIQ moninj\n";
|
||||
|
||||
let mut magic: [u8; 13] = [0; 13];
|
||||
stream.read_exact(&mut magic)?;
|
||||
if magic != MAGIC {
|
||||
Err(io::Error::Unrecognized)
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(has_rtio_moninj)]
|
||||
fn read_probe_local(channel: u16, probe: u8) -> u32 {
|
||||
unsafe {
|
||||
|
|
@ -159,11 +145,11 @@ fn read_injection_status(channel: u32, probe: u8) -> u8 {
|
|||
0
|
||||
}
|
||||
|
||||
fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Error>> {
|
||||
fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), Error<::std::io::Error>> {
|
||||
let mut watch_list = BTreeMap::new();
|
||||
let mut next_check = 0;
|
||||
|
||||
check_magic(&mut stream)?;
|
||||
read_magic(&mut stream)?;
|
||||
info!("new connection from {}", stream.remote_endpoint());
|
||||
|
||||
loop {
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@ use core::{mem, str, cell::{Cell, RefCell}, fmt::Write as FmtWrite};
|
|||
use alloc::{Vec, String};
|
||||
use byteorder::{ByteOrder, NetworkEndian};
|
||||
|
||||
use io::{self, Read, Write};
|
||||
use io::{self, Read, Write, Error as IoError};
|
||||
use board_misoc::{ident, cache, config};
|
||||
use {mailbox, rpc_queue, kernel};
|
||||
use urc::Urc;
|
||||
|
|
@ -19,17 +19,46 @@ use rpc_proto as rpc;
|
|||
use session_proto as host;
|
||||
use kernel_proto as kern;
|
||||
|
||||
macro_rules! unexpected {
|
||||
($($arg:tt)*) => {
|
||||
{
|
||||
error!($($arg)*);
|
||||
return Err(io::Error::Unrecognized)
|
||||
}
|
||||
};
|
||||
#[derive(Fail, Debug)]
|
||||
pub enum Error<T> {
|
||||
#[fail(display = "cannot load kernel: {}", _0)]
|
||||
Load(String),
|
||||
#[fail(display = "kernel not found")]
|
||||
KernelNotFound,
|
||||
#[fail(display = "invalid kernel CPU pointer: {:#08x}", _0)]
|
||||
InvalidPointer(usize),
|
||||
#[fail(display = "RTIO clock failure")]
|
||||
ClockFailure,
|
||||
#[fail(display = "watchdog {} expired", _0)]
|
||||
WatchdogExpired(usize),
|
||||
#[fail(display = "out of watchdogs")]
|
||||
OutOfWatchdogs,
|
||||
#[fail(display = "protocol error: {}", _0)]
|
||||
Protocol(#[cause] host::Error<T>),
|
||||
#[fail(display = "{}", _0)]
|
||||
Unexpected(String),
|
||||
}
|
||||
|
||||
fn io_error(msg: &str) -> io::Error<::std::io::Error> {
|
||||
io::Error::Other(::std::io::Error::new(::std::io::ErrorKind::Other, msg))
|
||||
impl<T> From<host::Error<T>> for Error<T> {
|
||||
fn from(value: host::Error<T>) -> Error<T> {
|
||||
Error::Protocol(value)
|
||||
}
|
||||
}
|
||||
|
||||
impl From<::std::io::Error> for Error<::std::io::Error> {
|
||||
fn from(value: ::std::io::Error) -> Error<::std::io::Error> {
|
||||
Error::Protocol(host::Error::Io(io::Error::Other(value)))
|
||||
}
|
||||
}
|
||||
|
||||
impl From<io::Error<::std::io::Error>> for Error<::std::io::Error> {
|
||||
fn from(value: io::Error<::std::io::Error>) -> Error<::std::io::Error> {
|
||||
Error::Protocol(host::Error::Io(value))
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! unexpected {
|
||||
($($arg:tt)*) => (return Err(Error::Unexpected(format!($($arg)*))));
|
||||
}
|
||||
|
||||
// Persistent state
|
||||
|
|
@ -102,20 +131,10 @@ impl<'a> Drop for Session<'a> {
|
|||
}
|
||||
}
|
||||
|
||||
fn check_magic(stream: &mut TcpStream) -> Result<(), io::Error<::std::io::Error>> {
|
||||
const MAGIC: &'static [u8] = b"ARTIQ coredev\n";
|
||||
|
||||
let mut magic: [u8; 14] = [0; 14];
|
||||
stream.read_exact(&mut magic)?;
|
||||
if magic != MAGIC {
|
||||
Err(io::Error::Unrecognized)
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
fn host_read(stream: &mut TcpStream) -> Result<host::Request, io::Error<::std::io::Error>> {
|
||||
let request = host::Request::read_from(stream)?;
|
||||
fn host_read<R>(reader: &mut R) -> Result<host::Request, Error<R::ReadError>>
|
||||
where R: Read + ?Sized
|
||||
{
|
||||
let request = host::Request::read_from(reader)?;
|
||||
match &request {
|
||||
&host::Request::LoadKernel(_) => debug!("comm<-host LoadLibrary(...)"),
|
||||
_ => debug!("comm<-host {:?}", request)
|
||||
|
|
@ -123,12 +142,14 @@ fn host_read(stream: &mut TcpStream) -> Result<host::Request, io::Error<::std::i
|
|||
Ok(request)
|
||||
}
|
||||
|
||||
fn host_write(stream: &mut TcpStream, reply: host::Reply) -> Result<(), io::Error<::std::io::Error>> {
|
||||
fn host_write<W>(writer: &mut W, reply: host::Reply) -> Result<(), IoError<W::WriteError>>
|
||||
where W: Write + ?Sized
|
||||
{
|
||||
debug!("comm->host {:?}", reply);
|
||||
reply.write_to(stream)
|
||||
reply.write_to(writer)
|
||||
}
|
||||
|
||||
pub fn kern_send(io: &Io, request: &kern::Message) -> Result<(), io::Error<::std::io::Error>> {
|
||||
pub fn kern_send(io: &Io, request: &kern::Message) -> Result<(), Error<::std::io::Error>> {
|
||||
match request {
|
||||
&kern::LoadRequest(_) => debug!("comm->kern LoadRequest(...)"),
|
||||
&kern::DmaRetrieveReply { trace, duration } => {
|
||||
|
|
@ -144,12 +165,11 @@ pub fn kern_send(io: &Io, request: &kern::Message) -> Result<(), io::Error<::std
|
|||
Ok(io.until(mailbox::acknowledged)?)
|
||||
}
|
||||
|
||||
fn kern_recv_notrace<R, F>(io: &Io, f: F) -> Result<R, io::Error<::std::io::Error>>
|
||||
where F: FnOnce(&kern::Message) -> Result<R, io::Error<::std::io::Error>> {
|
||||
fn kern_recv_notrace<R, F>(io: &Io, f: F) -> Result<R, Error<::std::io::Error>>
|
||||
where F: FnOnce(&kern::Message) -> Result<R, Error<::std::io::Error>> {
|
||||
io.until(|| mailbox::receive() != 0)?;
|
||||
if !kernel::validate(mailbox::receive()) {
|
||||
let message = format!("invalid kernel CPU pointer 0x{:x}", mailbox::receive());
|
||||
return Err(io::Error::Other(::std::io::Error::new(::std::io::ErrorKind::InvalidData, message)))
|
||||
return Err(Error::InvalidPointer(mailbox::receive()))
|
||||
}
|
||||
|
||||
f(unsafe { &*(mailbox::receive() as *const kern::Message) })
|
||||
|
|
@ -171,20 +191,21 @@ fn kern_recv_dotrace(reply: &kern::Message) {
|
|||
}
|
||||
|
||||
#[inline(always)]
|
||||
fn kern_recv<R, F>(io: &Io, f: F) -> Result<R, io::Error<::std::io::Error>>
|
||||
where F: FnOnce(&kern::Message) -> Result<R, io::Error<::std::io::Error>> {
|
||||
fn kern_recv<R, F>(io: &Io, f: F) -> Result<R, Error<::std::io::Error>>
|
||||
where F: FnOnce(&kern::Message) -> Result<R, Error<::std::io::Error>> {
|
||||
kern_recv_notrace(io, |reply| {
|
||||
kern_recv_dotrace(reply);
|
||||
f(reply)
|
||||
})
|
||||
}
|
||||
|
||||
pub fn kern_acknowledge() -> Result<(), io::Error<::std::io::Error>> {
|
||||
pub fn kern_acknowledge() -> Result<(), Error<::std::io::Error>> {
|
||||
mailbox::acknowledge();
|
||||
Ok(())
|
||||
}
|
||||
|
||||
unsafe fn kern_load(io: &Io, session: &mut Session, library: &[u8]) -> Result<(), io::Error<::std::io::Error>> {
|
||||
unsafe fn kern_load(io: &Io, session: &mut Session, library: &[u8])
|
||||
-> Result<(), Error<::std::io::Error>> {
|
||||
if session.running() {
|
||||
unexpected!("attempted to load a new kernel while a kernel was running")
|
||||
}
|
||||
|
|
@ -194,14 +215,13 @@ unsafe fn kern_load(io: &Io, session: &mut Session, library: &[u8]) -> Result<()
|
|||
kern_send(io, &kern::LoadRequest(&library))?;
|
||||
kern_recv(io, |reply| {
|
||||
match reply {
|
||||
&kern::LoadReply(Ok(())) => {
|
||||
kern::LoadReply(Ok(())) => {
|
||||
session.kernel_state = KernelState::Loaded;
|
||||
Ok(())
|
||||
}
|
||||
&kern::LoadReply(Err(ref error)) => {
|
||||
kern::LoadReply(Err(error)) => {
|
||||
kernel::stop();
|
||||
Err(io::Error::Other(::std::io::Error::new(::std::io::ErrorKind::Other,
|
||||
format!("cannot load kernel: {}", error))))
|
||||
Err(Error::Load(format!("{}", error)))
|
||||
}
|
||||
other =>
|
||||
unexpected!("unexpected reply from kernel CPU: {:?}", other)
|
||||
|
|
@ -209,7 +229,7 @@ unsafe fn kern_load(io: &Io, session: &mut Session, library: &[u8]) -> Result<()
|
|||
})
|
||||
}
|
||||
|
||||
fn kern_run(session: &mut Session) -> Result<(), io::Error<::std::io::Error>> {
|
||||
fn kern_run(session: &mut Session) -> Result<(), Error<::std::io::Error>> {
|
||||
if session.kernel_state != KernelState::Loaded {
|
||||
unexpected!("attempted to run a kernel while not in Loaded state")
|
||||
}
|
||||
|
|
@ -221,15 +241,14 @@ fn kern_run(session: &mut Session) -> Result<(), io::Error<::std::io::Error>> {
|
|||
|
||||
fn process_host_message(io: &Io,
|
||||
stream: &mut TcpStream,
|
||||
session: &mut Session) -> Result<(), io::Error<::std::io::Error>> {
|
||||
session: &mut Session) -> Result<(), Error<::std::io::Error>> {
|
||||
match host_read(stream)? {
|
||||
host::Request::SystemInfo => {
|
||||
host_write(stream, host::Reply::SystemInfo {
|
||||
ident: ident::read(&mut [0; 64]),
|
||||
finished_cleanly: session.congress.finished_cleanly.get()
|
||||
})?;
|
||||
session.congress.finished_cleanly.set(true);
|
||||
Ok(())
|
||||
session.congress.finished_cleanly.set(true)
|
||||
}
|
||||
|
||||
// artiq_coreconfig
|
||||
|
|
@ -239,29 +258,26 @@ fn process_host_message(io: &Io,
|
|||
Ok(value) => host_write(stream, host::Reply::FlashRead(&value)),
|
||||
Err(_) => host_write(stream, host::Reply::FlashError)
|
||||
}
|
||||
})
|
||||
})?;
|
||||
}
|
||||
|
||||
host::Request::FlashWrite { ref key, ref value } => {
|
||||
match config::write(key, value) {
|
||||
Ok(_) => host_write(stream, host::Reply::FlashOk),
|
||||
Err(_) => host_write(stream, host::Reply::FlashError)
|
||||
}
|
||||
}?;
|
||||
}
|
||||
|
||||
host::Request::FlashRemove { ref key } => {
|
||||
match config::remove(key) {
|
||||
Ok(()) => host_write(stream, host::Reply::FlashOk),
|
||||
Err(_) => host_write(stream, host::Reply::FlashError),
|
||||
}
|
||||
}?;
|
||||
|
||||
}
|
||||
|
||||
host::Request::FlashErase => {
|
||||
match config::erase() {
|
||||
Ok(()) => host_write(stream, host::Reply::FlashOk),
|
||||
Err(_) => host_write(stream, host::Reply::FlashError),
|
||||
}
|
||||
}?;
|
||||
}
|
||||
|
||||
// artiq_run/artiq_master
|
||||
|
|
@ -273,9 +289,9 @@ fn process_host_message(io: &Io,
|
|||
#[cfg(has_rtio_core)]
|
||||
{
|
||||
if rtio_mgt::crg::switch_clock(clk) {
|
||||
host_write(stream, host::Reply::ClockSwitchCompleted)
|
||||
host_write(stream, host::Reply::ClockSwitchCompleted)?;
|
||||
} else {
|
||||
host_write(stream, host::Reply::ClockSwitchFailed)
|
||||
host_write(stream, host::Reply::ClockSwitchFailed)?;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -285,19 +301,18 @@ fn process_host_message(io: &Io,
|
|||
|
||||
host::Request::LoadKernel(kernel) =>
|
||||
match unsafe { kern_load(io, session, &kernel) } {
|
||||
Ok(()) => host_write(stream, host::Reply::LoadCompleted),
|
||||
Ok(()) => host_write(stream, host::Reply::LoadCompleted)?,
|
||||
Err(error) => {
|
||||
let mut description = String::new();
|
||||
write!(&mut description, "{}", error).unwrap();
|
||||
host_write(stream, host::Reply::LoadFailed(&description))?;
|
||||
kern_acknowledge()
|
||||
kern_acknowledge()?;
|
||||
}
|
||||
},
|
||||
|
||||
host::Request::RunKernel =>
|
||||
match kern_run(session) {
|
||||
Ok(()) => Ok(()),
|
||||
Err(_) => host_write(stream, host::Reply::KernelStartupFailed)
|
||||
Ok(()) => (),
|
||||
Err(_) => host_write(stream, host::Reply::KernelStartupFailed)?
|
||||
},
|
||||
|
||||
host::Request::RpcReply { tag } => {
|
||||
|
|
@ -311,7 +326,7 @@ fn process_host_message(io: &Io,
|
|||
other => unexpected!("unexpected reply from kernel CPU: {:?}", other)
|
||||
}
|
||||
})?;
|
||||
rpc::recv_return(stream, &tag, slot, &|size| {
|
||||
rpc::recv_return(stream, &tag, slot, &|size| -> Result<_, Error<::std::io::Error>> {
|
||||
kern_send(io, &kern::RpcRecvReply(Ok(size)))?;
|
||||
Ok(kern_recv(io, |reply| {
|
||||
match reply {
|
||||
|
|
@ -322,8 +337,7 @@ fn process_host_message(io: &Io,
|
|||
})?;
|
||||
kern_send(io, &kern::RpcRecvReply(Ok(0)))?;
|
||||
|
||||
session.kernel_state = KernelState::Running;
|
||||
Ok(())
|
||||
session.kernel_state = KernelState::Running
|
||||
}
|
||||
|
||||
host::Request::RpcException {
|
||||
|
|
@ -352,14 +366,15 @@ fn process_host_message(io: &Io,
|
|||
};
|
||||
kern_send(io, &kern::RpcRecvReply(Err(exn)))?;
|
||||
|
||||
session.kernel_state = KernelState::Running;
|
||||
Ok(())
|
||||
session.kernel_state = KernelState::Running
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
|
||||
session: &mut Session) -> Result<bool, io::Error<::std::io::Error>> {
|
||||
session: &mut Session) -> Result<bool, Error<::std::io::Error>> {
|
||||
kern_recv_notrace(io, |request| {
|
||||
match (request, session.kernel_state) {
|
||||
(&kern::LoadReply(_), KernelState::Loaded) |
|
||||
|
|
@ -383,8 +398,9 @@ fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
|
|||
match request {
|
||||
&kern::Log(args) => {
|
||||
use std::fmt::Write;
|
||||
session.log_buffer.write_fmt(args)
|
||||
.map_err(|_| io_error("cannot append to session log buffer"))?;
|
||||
session.log_buffer
|
||||
.write_fmt(args)
|
||||
.unwrap_or_else(|_| warn!("cannot append to session log buffer"));
|
||||
session.flush_log_buffer();
|
||||
kern_acknowledge()
|
||||
}
|
||||
|
|
@ -430,11 +446,9 @@ fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
|
|||
}
|
||||
|
||||
&kern::WatchdogSetRequest { ms } => {
|
||||
let id = session.watchdog_set.set_ms(ms)
|
||||
.map_err(|()| io_error("out of watchdogs"))?;
|
||||
let id = session.watchdog_set.set_ms(ms).map_err(|()| Error::OutOfWatchdogs)?;
|
||||
kern_send(io, &kern::WatchdogSetReply { id: id })
|
||||
}
|
||||
|
||||
&kern::WatchdogClear { id } => {
|
||||
session.watchdog_set.clear(id);
|
||||
kern_acknowledge()
|
||||
|
|
@ -476,10 +490,9 @@ fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
|
|||
match stream {
|
||||
None => return Ok(true),
|
||||
Some(ref mut stream) =>
|
||||
host_write(stream, host::Reply::KernelFinished)
|
||||
host_write(stream, host::Reply::KernelFinished).map_err(|e| e.into())
|
||||
}
|
||||
}
|
||||
|
||||
&kern::RunException {
|
||||
exception: kern::Exception { name, message, param, file, line, column, function },
|
||||
backtrace
|
||||
|
|
@ -505,7 +518,7 @@ fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
|
|||
column: column,
|
||||
function: function,
|
||||
backtrace: backtrace
|
||||
})
|
||||
}).map_err(|e| e.into())
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -516,7 +529,7 @@ fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
|
|||
}
|
||||
|
||||
fn process_kern_queued_rpc(stream: &mut TcpStream,
|
||||
_session: &mut Session) -> Result<(), io::Error<::std::io::Error>> {
|
||||
_session: &mut Session) -> Result<(), Error<::std::io::Error>> {
|
||||
rpc_queue::dequeue(|slice| {
|
||||
debug!("comm<-kern (async RPC)");
|
||||
let length = NetworkEndian::read_u32(slice) as usize;
|
||||
|
|
@ -529,7 +542,7 @@ fn process_kern_queued_rpc(stream: &mut TcpStream,
|
|||
|
||||
fn host_kernel_worker(io: &Io,
|
||||
stream: &mut TcpStream,
|
||||
congress: &mut Congress) -> Result<(), io::Error<::std::io::Error>> {
|
||||
congress: &mut Congress) -> Result<(), Error<::std::io::Error>> {
|
||||
let mut session = Session::new(congress);
|
||||
|
||||
loop {
|
||||
|
|
@ -548,16 +561,16 @@ fn host_kernel_worker(io: &Io,
|
|||
}
|
||||
|
||||
if session.kernel_state == KernelState::Running {
|
||||
if session.watchdog_set.expired() {
|
||||
if let Some(idx) = session.watchdog_set.expired() {
|
||||
host_write(stream, host::Reply::WatchdogExpired)?;
|
||||
return Err(io_error("watchdog expired"))
|
||||
return Err(Error::WatchdogExpired(idx))
|
||||
}
|
||||
|
||||
#[cfg(has_rtio_core)]
|
||||
{
|
||||
if !rtio_mgt::crg::check() {
|
||||
host_write(stream, host::Reply::ClockFailure)?;
|
||||
return Err(io_error("RTIO clock failure"))
|
||||
return Err(Error::ClockFailure)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -568,7 +581,7 @@ fn host_kernel_worker(io: &Io,
|
|||
|
||||
fn flash_kernel_worker(io: &Io,
|
||||
congress: &mut Congress,
|
||||
config_key: &str) -> Result<(), io::Error<::std::io::Error>> {
|
||||
config_key: &str) -> Result<(), Error<::std::io::Error>> {
|
||||
let mut session = Session::new(congress);
|
||||
|
||||
config::read(config_key, |result| {
|
||||
|
|
@ -578,15 +591,14 @@ fn flash_kernel_worker(io: &Io,
|
|||
// so make a copy.
|
||||
kern_load(io, &mut session, Vec::from(kernel).as_ref())
|
||||
},
|
||||
_ => Err(io::Error::Other(::std::io::Error::new(::std::io::ErrorKind::NotFound,
|
||||
"kernel not found"))),
|
||||
_ => Err(Error::KernelNotFound)
|
||||
}
|
||||
})?;
|
||||
kern_run(&mut session)?;
|
||||
|
||||
loop {
|
||||
if !rpc_queue::empty() {
|
||||
return Err(io_error("unexpected background RPC in flash kernel"))
|
||||
unexpected!("unexpected background RPC in flash kernel")
|
||||
}
|
||||
|
||||
if mailbox::receive() != 0 {
|
||||
|
|
@ -595,14 +607,14 @@ fn flash_kernel_worker(io: &Io,
|
|||
}
|
||||
}
|
||||
|
||||
if session.watchdog_set.expired() {
|
||||
return Err(io_error("watchdog expired"))
|
||||
if let Some(idx) = session.watchdog_set.expired() {
|
||||
return Err(Error::WatchdogExpired(idx))
|
||||
}
|
||||
|
||||
#[cfg(has_rtio_core)]
|
||||
{
|
||||
if !rtio_mgt::crg::check() {
|
||||
return Err(io_error("RTIO clock failure"))
|
||||
return Err(Error::ClockFailure)
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -639,10 +651,10 @@ pub fn thread(io: Io) {
|
|||
let mut congress = congress.borrow_mut();
|
||||
info!("running startup kernel");
|
||||
match flash_kernel_worker(&io, &mut congress, "startup_kernel") {
|
||||
Ok(()) => info!("startup kernel finished"),
|
||||
Err(io::Error::Other(ref err)) if err.kind() == ::std::io::ErrorKind::NotFound => {
|
||||
info!("no startup kernel found")
|
||||
}
|
||||
Ok(()) =>
|
||||
info!("startup kernel finished"),
|
||||
Err(Error::KernelNotFound) =>
|
||||
info!("no startup kernel found"),
|
||||
Err(err) => {
|
||||
congress.finished_cleanly.set(false);
|
||||
error!("startup kernel aborted: {}", err);
|
||||
|
|
@ -657,7 +669,7 @@ pub fn thread(io: Io) {
|
|||
stream.set_timeout(Some(1000));
|
||||
stream.set_keep_alive(Some(500));
|
||||
|
||||
match check_magic(&mut stream) {
|
||||
match host::read_magic(&mut stream) {
|
||||
Ok(()) => (),
|
||||
Err(_) => {
|
||||
warn!("wrong magic from {}", stream.remote_endpoint());
|
||||
|
|
@ -674,13 +686,11 @@ pub fn thread(io: Io) {
|
|||
let mut stream = TcpStream::from_handle(&io, stream);
|
||||
match host_kernel_worker(&io, &mut stream, &mut *congress) {
|
||||
Ok(()) => (),
|
||||
Err(io::Error::UnexpectedEnd) => {
|
||||
info!("connection closed");
|
||||
}
|
||||
Err(io::Error::Other(ref err))
|
||||
if err.kind() == ::std::io::ErrorKind::Interrupted => {
|
||||
info!("kernel interrupted");
|
||||
}
|
||||
Err(Error::Protocol(host::Error::Io(io::Error::UnexpectedEnd))) =>
|
||||
info!("connection closed"),
|
||||
Err(Error::Protocol(host::Error::Io(io::Error::Other(ref err))))
|
||||
if err.kind() == ::std::io::ErrorKind::Interrupted =>
|
||||
info!("kernel interrupted"),
|
||||
Err(err) => {
|
||||
congress.finished_cleanly.set(false);
|
||||
error!("session aborted: {}", err);
|
||||
|
|
@ -698,18 +708,16 @@ pub fn thread(io: Io) {
|
|||
match flash_kernel_worker(&io, &mut *congress, "idle_kernel") {
|
||||
Ok(()) =>
|
||||
info!("idle kernel finished, standing by"),
|
||||
Err(io::Error::Other(ref err))
|
||||
Err(Error::Protocol(host::Error::Io(io::Error::Other(ref err))))
|
||||
if err.kind() == ::std::io::ErrorKind::Interrupted => {
|
||||
info!("idle kernel interrupted");
|
||||
}
|
||||
Err(io::Error::Other(ref err))
|
||||
if err.kind() == ::std::io::ErrorKind::NotFound => {
|
||||
Err(Error::KernelNotFound) => {
|
||||
info!("no idle kernel found");
|
||||
while io.relinquish().is_ok() {}
|
||||
}
|
||||
Err(err) => {
|
||||
error!("idle kernel aborted: {}", err);
|
||||
}
|
||||
Err(err) =>
|
||||
error!("idle kernel aborted: {}", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
|
|
|||
|
|
@ -38,10 +38,12 @@ impl WatchdogSet {
|
|||
}
|
||||
}
|
||||
|
||||
pub fn expired(&self) -> bool {
|
||||
self.watchdogs.iter()
|
||||
.filter(|wd| wd.active)
|
||||
.min_by_key(|wd| wd.threshold)
|
||||
.map_or(false, |wd| clock::get_ms() > wd.threshold)
|
||||
pub fn expired(&self) -> Option<usize> {
|
||||
self.watchdogs
|
||||
.iter()
|
||||
.enumerate()
|
||||
.filter(|(_, wd)| wd.active && clock::get_ms() > wd.threshold)
|
||||
.min_by_key(|(_, wd)| wd.threshold)
|
||||
.map_or(None, |(i, _)| Some(i))
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue