Update rtl8168d to new events

rtl8168d/src/device.rs

 use std::{mem, thread};
+use std::collections::BTreeMap;
 
 use netutils::setcfg;
-use syscall::error::{Error, EACCES, EINVAL, EWOULDBLOCK, Result};
+use syscall::error::{Error, EACCES, EBADF, EINVAL, EWOULDBLOCK, Result};
 use syscall::flag::O_NONBLOCK;
 use syscall::io::{Dma, Mmio, Io, ReadOnly};
 use syscall::scheme::SchemeMut;
@@ -73,13 +74,17 @@ pub struct Rtl8168 {
     transmit_ring: Dma<[Td; 16]>,
     transmit_i: usize,
     transmit_buffer_h: [Dma<[Mmio<u8>; 7552]>; 1],
-    transmit_ring_h: Dma<[Td; 1]>
+    transmit_ring_h: Dma<[Td; 1]>,
+    next_id: usize,
+    pub handles: BTreeMap<usize, usize>
 }
 
 impl SchemeMut for Rtl8168 {
     fn open(&mut self, _path: &[u8], flags: usize, uid: u32, _gid: u32) -> Result<usize> {
         if uid == 0 {
-            Ok(flags)
+            self.next_id += 1;
+            self.handles.insert(self.next_id, flags);
+            Ok(self.next_id)
         } else {
             Err(Error::new(EACCES))
         }
@@ -90,10 +95,18 @@ impl SchemeMut for Rtl8168 {
             return Err(Error::new(EINVAL));
         }
 
-        Ok(id)
+        let flags = {
+            let flags = self.handles.get(&id).ok_or(Error::new(EBADF))?;
+            *flags
+        };
+        self.next_id += 1;
+        self.handles.insert(self.next_id, flags);
+        Ok(self.next_id)
     }
 
     fn read(&mut self, id: usize, buf: &mut [u8]) -> Result<usize> {
+        let flags = self.handles.get(&id).ok_or(Error::new(EBADF))?;
+
         if self.receive_i >= self.receive_ring.len() {
             self.receive_i = 0;
         }
@@ -118,14 +131,16 @@ impl SchemeMut for Rtl8168 {
             return Ok(i);
         }
 
-        if id & O_NONBLOCK == O_NONBLOCK {
+        if flags & O_NONBLOCK == O_NONBLOCK {
             Ok(0)
         } else {
             Err(Error::new(EWOULDBLOCK))
         }
     }
 
-    fn write(&mut self, _id: usize, buf: &[u8]) -> Result<usize> {
+    fn write(&mut self, id: usize, buf: &[u8]) -> Result<usize> {
+        let _flags = self.handles.get(&id).ok_or(Error::new(EBADF))?;
+
         loop {
             if self.transmit_i >= self.transmit_ring.len() {
                 self.transmit_i = 0;
@@ -159,15 +174,30 @@ impl SchemeMut for Rtl8168 {
         }
     }
 
-    fn fevent(&mut self, _id: usize, _flags: usize) -> Result<usize> {
-        Ok(0)
+    fn fevent(&mut self, id: usize, _flags: usize) -> Result<usize> {
+        let _flags = self.handles.get(&id).ok_or(Error::new(EBADF))?;
+        Ok(id)
+    }
+
+    fn fpath(&mut self, id: usize, buf: &mut [u8]) -> Result<usize> {
+        let _flags = self.handles.get(&id).ok_or(Error::new(EBADF))?;
+
+        let mut i = 0;
+        let scheme_path = b"network:";
+        while i < buf.len() && i < scheme_path.len() {
+            buf[i] = scheme_path[i];
+            i += 1;
+        }
+        Ok(i)
     }
 
-    fn fsync(&mut self, _id: usize) -> Result<usize> {
+    fn fsync(&mut self, id: usize) -> Result<usize> {
+        let _flags = self.handles.get(&id).ok_or(Error::new(EBADF))?;
         Ok(0)
     }
 
-    fn close(&mut self, _id: usize) -> Result<usize> {
+    fn close(&mut self, id: usize) -> Result<usize> {
+        self.handles.remove(&id).ok_or(Error::new(EBADF))?;
         Ok(0)
     }
 }
@@ -214,7 +244,9 @@ impl Rtl8168 {
             transmit_ring: Dma::zeroed()?,
             transmit_i: 0,
             transmit_buffer_h: [Dma::zeroed()?],
-            transmit_ring_h: Dma::zeroed()?
+            transmit_ring_h: Dma::zeroed()?,
+            next_id: 0,
+            handles: BTreeMap::new()
         };
 
         module.init();

rtl8168d/src/main.rs

@@ -81,7 +81,7 @@ fn main() {
                 Ok(None)
             }).expect("rtl8168d: failed to catch events on IRQ file");
 
-            let socket_fd = socket.borrow().as_raw_fd();
+            let device_packet = device.clone();
             let socket_packet = socket.clone();
             event_queue.add(socket_fd, move |_event| -> Result<Option<usize>> {
                 loop {
@@ -91,7 +91,7 @@ fn main() {
                     }
 
                     let a = packet.a;
-                    device.borrow_mut().handle(&mut packet);
+                    device_packet.borrow_mut().handle(&mut packet);
                     if packet.a == (-EWOULDBLOCK) as usize {
                         packet.a = a;
                         todo.borrow_mut().push(packet);
@@ -100,7 +100,7 @@ fn main() {
                     }
                 }
 
-                let next_read = device.borrow().next_read();
+                let next_read = device_packet.borrow().next_read();
                 if next_read > 0 {
                     return Ok(Some(next_read));
                 }
@@ -108,35 +108,31 @@ fn main() {
                 Ok(None)
             }).expect("rtl8168d: failed to catch events on scheme file");
 
+            let send_events = |event_count| {
+                for (handle_id, _handle) in device.borrow().handles.iter() {
+                    socket.borrow_mut().write(&Packet {
+                        id: 0,
+                        pid: 0,
+                        uid: 0,
+                        gid: 0,
+                        a: syscall::number::SYS_FEVENT,
+                        b: *handle_id,
+                        c: syscall::flag::EVENT_READ,
+                        d: event_count
+                    }).expect("e1000d: failed to write event");
+                }
+            };
+
             for event_count in event_queue.trigger_all(event::Event {
                 fd: 0,
                 flags: 0,
             }).expect("rtl8168d: failed to trigger events") {
-                socket.borrow_mut().write(&Packet {
-                    id: 0,
-                    pid: 0,
-                    uid: 0,
-                    gid: 0,
-                    a: syscall::number::SYS_FEVENT,
-                    b: 0,
-                    c: syscall::flag::EVENT_READ,
-                    d: event_count
-                }).expect("rtl8168d: failed to write event");
+                send_events(event_count);
             }
 
             loop {
                 let event_count = event_queue.run().expect("rtl8168d: failed to handle events");
-
-                socket.borrow_mut().write(&Packet {
-                    id: 0,
-                    pid: 0,
-                    uid: 0,
-                    gid: 0,
-                    a: syscall::number::SYS_FEVENT,
-                    b: 0,
-                    c: syscall::flag::EVENT_READ,
-                    d: event_count
-                }).expect("rtl8168d: failed to write event");
+                send_events(event_count);
             }
         }
         unsafe { let _ = syscall::physunmap(address); }