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Redo networking (#22)

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* Rewriting network functions

* Add buffer to dup
Fix non-blocking handling by triggering once on enabling events to read to EOF

* Modifications for UDP API

* Implement TCP client side

* Add active close

* Add DMAR parser

* Implement basic TCP listening. Need to improve the state machine

* Reduce debugging

* Fixes for close procedure

* Updates to fix path processing in libstd
This commit is contained in:
Jeremy Soller 2016-10-26 13:19:56 -06:00 • committed by GitHub
parent 268c859fd6
commit 2491e4771e
54 changed files with 1884 additions and 1476 deletions
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2
crates/resource_scheme/src/resource.rs
View file

@ -4,7 +4,7 @@ use syscall::error::*;
pub trait Resource {
/// Duplicate the resource
/// Returns `EPERM` if the operation is not supported.
fn dup(&self) -> Result<Box<Self>> {
fn dup(&self, _buf: &[u8]) -> Result<Box<Self>> {
Err(Error::new(EPERM))
}

6
crates/resource_scheme/src/scheme.rs
View file

@ -16,7 +16,7 @@ pub trait ResourceScheme<T: Resource> {
SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid),
SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid),
SYS_DUP => self.dup(packet.b),
SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }),
SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }),
SYS_LSEEK => self.seek(packet.b, packet.c, packet.d),
@ -54,9 +54,9 @@ pub trait ResourceScheme<T: Resource> {
}
/* Resource operations */
fn dup(&self, old_id: usize) -> Result<usize> {
fn dup(&self, old_id: usize, buf: &[u8]) -> Result<usize> {
let old = unsafe { &*(old_id as *const T) };
let resource = old.dup()?;
let resource = old.dup(buf)?;
let resource_ptr = Box::into_raw(resource);
Ok(resource_ptr as usize)
}