nautilus_model/ffi/identifiers/trader_id.rs
1// -------------------------------------------------------------------------------------------------
2// Copyright (C) 2015-2025 Nautech Systems Pty Ltd. All rights reserved.
3// https://nautechsystems.io
4//
5// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6// You may not use this file except in compliance with the License.
7// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use std::ffi::c_char;
17
18use nautilus_core::ffi::string::cstr_as_str;
19
20use crate::identifiers::trader_id::TraderId;
21
22/// Returns a Nautilus identifier from a C string pointer.
23///
24/// # Safety
25///
26/// - Assumes `ptr` is a valid C string pointer.
27#[unsafe(no_mangle)]
28pub unsafe extern "C" fn trader_id_new(ptr: *const c_char) -> TraderId {
29 let value = unsafe { cstr_as_str(ptr) };
30 TraderId::from(value)
31}
32
33#[unsafe(no_mangle)]
34pub extern "C" fn trader_id_hash(id: &TraderId) -> u64 {
35 id.inner().precomputed_hash()
36}