naming_core/
dynamic.rs

1use std::sync::OnceLock;
2
3use monitor_api::CompartmentHandle;
4use secgate::{util::Descriptor, DynamicSecGate};
5use twizzler_rt_abi::object::ObjID;
6
7use crate::{api::NamerAPI, handle::NamingHandle, GetFlags, NsNode, Result};
8
9pub struct DynamicNamerAPI {
10    _handle: &'static CompartmentHandle,
11    put: DynamicSecGate<'static, (Descriptor, usize, ObjID), ()>,
12    mkns: DynamicSecGate<'static, (Descriptor, usize, bool), ()>,
13    link: DynamicSecGate<'static, (Descriptor, usize, usize), ()>,
14    get: DynamicSecGate<'static, (Descriptor, usize, GetFlags), NsNode>,
15    open_handle: DynamicSecGate<'static, (), (Descriptor, ObjID)>,
16    close_handle: DynamicSecGate<'static, (Descriptor,), ()>,
17    enumerate_names: DynamicSecGate<'static, (Descriptor, usize), usize>,
18    enumerate_names_nsid: DynamicSecGate<'static, (Descriptor, ObjID), usize>,
19    remove: DynamicSecGate<'static, (Descriptor, usize), ()>,
20    change_namespace: DynamicSecGate<'static, (Descriptor, usize), ()>,
21}
22
23impl NamerAPI for DynamicNamerAPI {
24    fn put(&self, desc: Descriptor, name_len: usize, id: ObjID) -> Result<()> {
25        (self.put)(desc, name_len, id)
26    }
27
28    fn get(&self, desc: Descriptor, name_len: usize, flags: GetFlags) -> Result<NsNode> {
29        (self.get)(desc, name_len, flags)
30    }
31
32    fn open_handle(&self) -> Result<(Descriptor, ObjID)> {
33        (self.open_handle)()
34    }
35
36    fn close_handle(&self, desc: Descriptor) -> Result<()> {
37        let _ = (self.close_handle)(desc);
38        Ok(())
39    }
40
41    fn enumerate_names(&self, desc: Descriptor, name_len: usize) -> Result<usize> {
42        (self.enumerate_names)(desc, name_len)
43    }
44
45    fn enumerate_names_nsid(&self, desc: Descriptor, id: ObjID) -> Result<usize> {
46        (self.enumerate_names_nsid)(desc, id)
47    }
48
49    fn remove(&self, desc: Descriptor, name_len: usize) -> Result<()> {
50        (self.remove)(desc, name_len)
51    }
52
53    fn change_namespace(&self, desc: Descriptor, name_len: usize) -> Result<()> {
54        (self.change_namespace)(desc, name_len)
55    }
56
57    fn mkns(&self, desc: Descriptor, name_len: usize, persist: bool) -> Result<()> {
58        (self.mkns)(desc, name_len, persist)
59    }
60
61    fn link(&self, desc: Descriptor, name_len: usize, link_name: usize) -> Result<()> {
62        (self.link)(desc, name_len, link_name)
63    }
64}
65
66static DYNAMIC_NAMER_API: OnceLock<DynamicNamerAPI> = OnceLock::new();
67
68pub fn dynamic_namer_api() -> &'static DynamicNamerAPI {
69    DYNAMIC_NAMER_API.get_or_init(|| {
70        let handle = Box::leak(Box::new(
71            CompartmentHandle::lookup("naming").expect("failed to open namer compartment"),
72        ));
73        DynamicNamerAPI {
74            _handle: handle,
75            put: unsafe {
76                handle
77                    .dynamic_gate("put")
78                    .expect("failed to find put gate call")
79            },
80            mkns: unsafe {
81                handle
82                    .dynamic_gate("mkns")
83                    .expect("failed to find put gate call")
84            },
85            link: unsafe {
86                handle
87                    .dynamic_gate("link")
88                    .expect("failed to find put gate call")
89            },
90            get: unsafe {
91                handle
92                    .dynamic_gate("get")
93                    .expect("failed to find get gate call")
94            },
95            open_handle: unsafe {
96                handle
97                    .dynamic_gate::<(), (Descriptor, ObjID)>("open_handle")
98                    .expect("failed to find open_handle gate call")
99            },
100            close_handle: unsafe {
101                handle
102                    .dynamic_gate::<(Descriptor,), ()>("close_handle")
103                    .expect("failed to find close_handle gate call")
104            },
105            enumerate_names: unsafe {
106                handle
107                    .dynamic_gate("enumerate_names")
108                    .expect("failed to find enumerate_names gate call")
109            },
110            enumerate_names_nsid: unsafe {
111                handle
112                    .dynamic_gate("enumerate_names_nsid")
113                    .expect("failed to find enumerate_names gate call")
114            },
115            remove: unsafe {
116                handle
117                    .dynamic_gate("remove")
118                    .expect("failed to find remove gate call")
119            },
120            change_namespace: unsafe {
121                handle
122                    .dynamic_gate("change_namespace")
123                    .expect("failed to find change_namespace gate call")
124            },
125        }
126    })
127}
128
129pub type DynamicNamingHandle = NamingHandle<'static, DynamicNamerAPI>;
130
131pub fn dynamic_naming_factory() -> Option<DynamicNamingHandle> {
132    NamingHandle::new(dynamic_namer_api())
133}
naming_core/dynamic.rs

naming_core/
dynamic.rs
