blockless_sdk/
socket.rs

1use crate::SocketErrorKind;
2
3#[link(wasm_import_module = "blockless_socket")]
4extern "C" {
5    #[link_name = "create_tcp_bind_socket"]
6    pub(crate) fn create_tcp_bind_socket_native(
7        addr: *const u8,
8        addr_len: u32,
9        fd: *mut u32,
10    ) -> u32;
11}
12
13pub fn create_tcp_bind_socket(addr: &str) -> Result<u32, SocketErrorKind> {
14    unsafe {
15        let addr_ptr = addr.as_ptr();
16        let mut fd: u32 = 0;
17        let rs = create_tcp_bind_socket_native(addr_ptr, addr.len() as _, (&mut fd) as *mut u32);
18        if rs == 0 {
19            return Ok(fd);
20        }
21        Err(match rs {
22            1 => SocketErrorKind::ConnectRefused,
23            2 => SocketErrorKind::ParameterError,
24            3 => SocketErrorKind::ConnectionReset,
25            4 => SocketErrorKind::AddressInUse,
26            _ => unreachable!("unreach."),
27        })
28    }
29}
blockless_sdk/socket.rs

blockless_sdk/
socket.rs
