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, usize), usize>,
18    enumerate_names_nsid: DynamicSecGate<'static, (Descriptor, ObjID, usize, usize), usize>,
19    remove: DynamicSecGate<'static, (Descriptor, usize), ()>,
20    rename: DynamicSecGate<'static, (Descriptor, usize, usize), ()>,
21    change_namespace: DynamicSecGate<'static, (Descriptor, usize), ()>,
22}
23
24impl NamerAPI for DynamicNamerAPI {
25    fn put(&self, desc: Descriptor, name_len: usize, id: ObjID) -> Result<()> {
26        (self.put)(desc, name_len, id)
27    }
28
29    fn get(&self, desc: Descriptor, name_len: usize, flags: GetFlags) -> Result<NsNode> {
30        (self.get)(desc, name_len, flags)
31    }
32
33    fn open_handle(&self) -> Result<(Descriptor, ObjID)> {
34        (self.open_handle)()
35    }
36
37    fn close_handle(&self, desc: Descriptor) -> Result<()> {
38        let _ = (self.close_handle)(desc);
39        Ok(())
40    }
41
42    fn enumerate_names(
43        &self,
44        desc: Descriptor,
45        name_len: usize,
46        skip: usize,
47        count: usize,
48    ) -> Result<usize> {
49        (self.enumerate_names)(desc, name_len, skip, count)
50    }
51
52    fn enumerate_names_nsid(
53        &self,
54        desc: Descriptor,
55        id: ObjID,
56        skip: usize,
57        count: usize,
58    ) -> Result<usize> {
59        (self.enumerate_names_nsid)(desc, id, skip, count)
60    }
61
62    fn remove(&self, desc: Descriptor, name_len: usize) -> Result<()> {
63        (self.remove)(desc, name_len)
64    }
65
66    fn rename(&self, desc: Descriptor, old_len: usize, new_len: usize) -> Result<()> {
67        (self.rename)(desc, old_len, new_len)
68    }
69
70    fn change_namespace(&self, desc: Descriptor, name_len: usize) -> Result<()> {
71        (self.change_namespace)(desc, name_len)
72    }
73
74    fn mkns(&self, desc: Descriptor, name_len: usize, persist: bool) -> Result<()> {
75        (self.mkns)(desc, name_len, persist)
76    }
77
78    fn link(&self, desc: Descriptor, name_len: usize, link_name: usize) -> Result<()> {
79        (self.link)(desc, name_len, link_name)
80    }
81}
82
83static DYNAMIC_NAMER_API: OnceLock<DynamicNamerAPI> = OnceLock::new();
84
85pub fn dynamic_namer_api() -> &'static DynamicNamerAPI {
86    DYNAMIC_NAMER_API.get_or_init(|| {
87        let handle = Box::leak(Box::new(
88            CompartmentHandle::lookup("naming").expect("failed to open namer compartment"),
89        ));
90        DynamicNamerAPI {
91            _handle: handle,
92            put: unsafe {
93                handle
94                    .dynamic_gate("put")
95                    .expect("failed to find put gate call")
96            },
97            mkns: unsafe {
98                handle
99                    .dynamic_gate("mkns")
100                    .expect("failed to find put gate call")
101            },
102            link: unsafe {
103                handle
104                    .dynamic_gate("link")
105                    .expect("failed to find put gate call")
106            },
107            get: unsafe {
108                handle
109                    .dynamic_gate("get")
110                    .expect("failed to find get gate call")
111            },
112            open_handle: unsafe {
113                handle
114                    .dynamic_gate::<(), (Descriptor, ObjID)>("open_handle")
115                    .expect("failed to find open_handle gate call")
116            },
117            close_handle: unsafe {
118                handle
119                    .dynamic_gate::<(Descriptor,), ()>("close_handle")
120                    .expect("failed to find close_handle gate call")
121            },
122            enumerate_names: unsafe {
123                handle
124                    .dynamic_gate("enumerate_names")
125                    .expect("failed to find enumerate_names gate call")
126            },
127            enumerate_names_nsid: unsafe {
128                handle
129                    .dynamic_gate("enumerate_names_nsid")
130                    .expect("failed to find enumerate_names gate call")
131            },
132            remove: unsafe {
133                handle
134                    .dynamic_gate("remove")
135                    .expect("failed to find remove gate call")
136            },
137            rename: unsafe {
138                handle
139                    .dynamic_gate("rename")
140                    .expect("failed to find rename gate call")
141            },
142            change_namespace: unsafe {
143                handle
144                    .dynamic_gate("change_namespace")
145                    .expect("failed to find change_namespace gate call")
146            },
147        }
148    })
149}
150
151pub type DynamicNamingHandle = NamingHandle<'static, DynamicNamerAPI>;
152
153pub fn dynamic_naming_factory() -> Option<DynamicNamingHandle> {
154    NamingHandle::new(dynamic_namer_api())
155}
naming_core/dynamic.rs

naming_core/
dynamic.rs
