blockless_sdk/
socket.rs

1use crate::SocketErrorKind;
2
3#[cfg(not(feature = "mock-ffi"))]
4#[link(wasm_import_module = "blockless_socket")]
5extern "C" {
6    #[link_name = "create_tcp_bind_socket"]
7    pub(crate) fn create_tcp_bind_socket_native(
8        addr: *const u8,
9        addr_len: u32,
10        fd: *mut u32,
11    ) -> u32;
12}
13
14#[cfg(feature = "mock-ffi")]
15mod mock_ffi {
16    pub unsafe fn create_tcp_bind_socket_native(
17        _addr: *const u8,
18        _addr_len: u32,
19        _fd: *mut u32,
20    ) -> u32 {
21        unimplemented!()
22    }
23}
24
25#[cfg(feature = "mock-ffi")]
26use mock_ffi::*;
27
28pub fn create_tcp_bind_socket(addr: &str) -> Result<u32, SocketErrorKind> {
29    unsafe {
30        let addr_ptr = addr.as_ptr();
31        let mut fd: u32 = 0;
32        let rs = create_tcp_bind_socket_native(addr_ptr, addr.len() as _, (&mut fd) as *mut u32);
33        if rs == 0 {
34            return Ok(fd);
35        }
36        Err(match rs {
37            1 => SocketErrorKind::ConnectRefused,
38            2 => SocketErrorKind::ParameterError,
39            3 => SocketErrorKind::ConnectionReset,
40            4 => SocketErrorKind::AddressInUse,
41            _ => unreachable!("unreach."),
42        })
43    }
44}
blockless_sdk/socket.rs

blockless_sdk/
socket.rs
