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dvc94ch
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Jan 20, 2021
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| /// Hash table map. | ||
| /// | ||
| /// High level API for BPF_MAP_TYPE_HASH maps. | ||
| #[repr(transparent)] | ||
| #[repr(C)] | ||
| pub struct HashMap<K, V> { | ||
| def: bpf_helpers_sys::bpf_map_def, | ||
| _k: PhantomData<K>, | ||
| _v: PhantomData<V>, | ||
| type_: c_uint, | ||
| key_size: *const [K; 1], | ||
| value_size: *const [V; 1], | ||
| max_entries: *const [(); 16], | ||
| map_flags: *const [u8; 1], | ||
| } | ||
|
|
||
| impl<K, V> HashMap<K, V> { | ||
| /// Creates a map with the specified maximum number of elements. | ||
| pub const fn with_max_entries(max_entries: u32) -> Self { | ||
| Self { | ||
| def: bpf_helpers_sys::bpf_map_def { | ||
| type_: bpf_helpers_sys::bpf_map_type_BPF_MAP_TYPE_HASH, | ||
| key_size: mem::size_of::<K>() as u32, | ||
| value_size: mem::size_of::<V>() as u32, | ||
| max_entries, | ||
| map_flags: 0, | ||
| }, | ||
| _k: PhantomData, | ||
| _v: PhantomData, | ||
| type_: bpf_helpers_sys::bpf_map_type_BPF_MAP_TYPE_HASH, | ||
| key_size: core::ptr::null(), //mem::size_of::<K>() as _, | ||
| value_size: core::ptr::null(), //mem::size_of::<V>() as _, | ||
| max_entries: core::ptr::null(), | ||
| map_flags: core::ptr::null(), //0, | ||
| } | ||
| } |
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