32 lines
915 B
Rust
32 lines
915 B
Rust
use crate::buffer::ByteBuffer;
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use crate::message::YunqMessage;
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use alloc::vec::Vec;
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use mammoth::zion::z_cap_t;
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use mammoth::zion::ZError;
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pub fn call_endpoint<Req: YunqMessage, Resp: YunqMessage, const N: usize>(
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request_id: u64,
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req: &Req,
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byte_buffer: &mut ByteBuffer<N>,
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endpoint_cap: z_cap_t,
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) -> Result<Resp, ZError> {
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let mut cap_buffer = Vec::new();
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let length = req.serialize_as_request(request_id, byte_buffer, &mut cap_buffer)?;
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let reply_port_cap = mammoth::syscall::endpoint_send(
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endpoint_cap,
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byte_buffer.slice(16 + length),
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cap_buffer.as_slice(),
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)?;
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// FIXME: Add a way to zero out the byte buffer.
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cap_buffer = vec![0; 10];
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mammoth::syscall::reply_port_recv(
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reply_port_cap,
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byte_buffer.mut_slice(),
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cap_buffer.as_mut_slice(),
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)?;
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Ok(Resp::parse_from_request(&byte_buffer, &cap_buffer)?)
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}
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