Tibor Nagy
62 lines
2.1 KiB
Rust
62 lines
2.1 KiB
Rust
use alloc::{String, Vec};
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use core::fmt::Write;
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use core::str;
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use context;
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use scheme;
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use syscall::error::Result;
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pub fn resource() -> Result<Vec<u8>> {
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let mut string = String::new();
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{
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let mut rows = Vec::new();
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{
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let contexts = context::contexts();
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for (id, context_lock) in contexts.iter() {
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let context = context_lock.read();
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rows.push((*id, context.name.lock().clone(), context.files.lock().clone()));
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}
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}
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for row in rows.iter() {
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let id: usize = row.0.into();
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let name = str::from_utf8(&row.1).unwrap_or(".");
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let _ = writeln!(string, "{}: {}", id, name);
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for (fd, f) in row.2.iter().enumerate() {
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let file = match *f {
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None => continue,
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Some(ref file) => file.clone()
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};
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let description = file.description.read();
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let scheme = {
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let schemes = scheme::schemes();
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match schemes.get(description.scheme) {
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Some(scheme) => scheme.clone(),
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None => {
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let _ = writeln!(string, " {:>4}: {:>8} {:>8} {:>08X}: no scheme", fd, description.scheme.into(), description.number, description.flags);
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continue;
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}
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}
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};
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let mut fpath = [0; 4096];
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match scheme.fpath(description.number, &mut fpath) {
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Ok(path_len) => {
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let fname = str::from_utf8(&fpath[..path_len]).unwrap_or("?");
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let _ = writeln!(string, "{:>6}: {:>8} {:>8} {:>08X}: {}", fd, description.scheme.into(), description.number, description.flags, fname);
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},
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Err(err) => {
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let _ = writeln!(string, "{:>6}: {:>8} {:>8} {:>08X}: {}", fd, description.scheme.into(), description.number, description.flags, err);
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}
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}
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}
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}
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}
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Ok(string.into_bytes())
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}
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