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implement support for creating domains

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This commit is contained in:
Alex Zenla
2024-01-09 15:40:17 -08:00
parent 4b31d95e43
commit 35f3346858
16 changed files with 618 additions and 105 deletions
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18
xenstore/src/bus.rs
View File

@ -160,10 +160,24 @@ impl XsdSocket {
typ: u32,
string: &str,
) -> Result<XsdResponse, XsdBusError> {
let path = CString::new(string)?;
let buf = path.as_bytes_with_nul();
let text = CString::new(string)?;
let buf = text.as_bytes_with_nul();
self.send(tx, typ, buf)
}
pub fn send_multiple(
&mut self,
tx: u32,
typ: u32,
array: &[&str],
) -> Result<XsdResponse, XsdBusError> {
let mut buf: Vec<u8> = Vec::new();
for item in array {
buf.extend_from_slice(item.as_bytes());
buf.push(0);
}
self.send(tx, typ, buf.as_slice())
}
}
impl Drop for XsdSocket {

40
xenstore/src/client.rs
View File

@ -1,7 +1,7 @@
use crate::bus::{XsdBusError, XsdSocket};
use crate::sys::{
XSD_DIRECTORY, XSD_GET_DOMAIN_PATH, XSD_MKDIR, XSD_READ, XSD_RM, XSD_TRANSACTION_END,
XSD_TRANSACTION_START, XSD_WRITE,
XSD_DIRECTORY, XSD_GET_DOMAIN_PATH, XSD_INTRODUCE, XSD_MKDIR, XSD_READ, XSD_RM,
XSD_TRANSACTION_END, XSD_TRANSACTION_START, XSD_WRITE,
};
use std::ffi::CString;
@ -12,7 +12,9 @@ pub struct XsdClient {
pub trait XsdInterface {
fn list(&mut self, path: &str) -> Result<Vec<String>, XsdBusError>;
fn read(&mut self, path: &str) -> Result<Vec<u8>, XsdBusError>;
fn read_string(&mut self, path: &str) -> Result<String, XsdBusError>;
fn write(&mut self, path: &str, data: Vec<u8>) -> Result<bool, XsdBusError>;
fn write_string(&mut self, path: &str, data: String) -> Result<bool, XsdBusError>;
fn mkdir(&mut self, path: &str) -> Result<bool, XsdBusError>;
fn rm(&mut self, path: &str) -> Result<bool, XsdBusError>;
}
@ -62,6 +64,24 @@ impl XsdClient {
.send_single(0, XSD_GET_DOMAIN_PATH, domid.to_string().as_str())?;
response.parse_string()
}
pub fn introduce_domain(
&mut self,
domid: u32,
mfn: u32,
eventchn: u32,
) -> Result<String, XsdBusError> {
let response = self.socket.send_multiple(
0,
XSD_INTRODUCE,
&[
domid.to_string().as_str(),
mfn.to_string().as_str(),
eventchn.to_string().as_str(),
],
)?;
response.parse_string()
}
}
pub struct XsdTransaction<'a> {
@ -78,10 +98,18 @@ impl XsdInterface for XsdClient {
self.read(0, path)
}
fn read_string(&mut self, path: &str) -> Result<String, XsdBusError> {
Ok(String::from_utf8(self.read(0, path)?)?)
}
fn write(&mut self, path: &str, data: Vec<u8>) -> Result<bool, XsdBusError> {
self.write(0, path, data)
}
fn write_string(&mut self, path: &str, data: String) -> Result<bool, XsdBusError> {
self.write(0, path, data.into_bytes())
}
fn mkdir(&mut self, path: &str) -> Result<bool, XsdBusError> {
self.mkdir(0, path)
}
@ -100,10 +128,18 @@ impl XsdInterface for XsdTransaction<'_> {
self.client.read(self.tx, path)
}
fn read_string(&mut self, path: &str) -> Result<String, XsdBusError> {
Ok(String::from_utf8(self.client.read(self.tx, path)?)?)
}
fn write(&mut self, path: &str, data: Vec<u8>) -> Result<bool, XsdBusError> {
self.client.write(self.tx, path, data)
}
fn write_string(&mut self, path: &str, data: String) -> Result<bool, XsdBusError> {
self.client.write(self.tx, path, data.into_bytes())
}
fn mkdir(&mut self, path: &str) -> Result<bool, XsdBusError> {
self.client.mkdir(self.tx, path)
}