Files
vnt/vnt-jni/src/vnt.rs
T
2023-09-03 11:39:30 +08:00

143 lines
4.0 KiB
Rust

use jni::errors::Error;
use jni::objects::{JClass, JObject, JValue};
use jni::sys::{jboolean, jbyte, jint, jlong, jobject, jobjectArray, jsize};
use jni::JNIEnv;
use std::ptr;
use vnt::channel::Route;
use vnt::core::sync::VntSync;
use vnt::handle::PeerDeviceInfo;
#[no_mangle]
pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_stop0(
_env: JNIEnv,
_class: JClass,
raw_vnt: jlong,
) {
let vnt = raw_vnt as *mut VntSync;
let _ = (&*vnt).stop();
}
#[no_mangle]
pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_waitStop0(
_env: JNIEnv,
_class: JClass,
raw_vnt: jlong,
) {
let vnt = raw_vnt as *mut VntSync;
let _ = (&mut *vnt).wait_stop();
}
#[no_mangle]
pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_waitStopMs0(
_env: JNIEnv,
_class: JClass,
raw_vnt: jlong,
ms: jlong,
) -> jboolean {
let vnt = raw_vnt as *mut VntSync;
if (&mut *vnt).wait_stop_ms(ms as _) {
jni::sys::JNI_TRUE
} else {
jni::sys::JNI_FALSE
}
}
#[no_mangle]
pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_drop0(
_env: JNIEnv,
_class: JClass,
raw_vnt: jlong,
) {
let vnt = raw_vnt as *mut VntSync;
let _ = Box::from_raw(vnt).stop();
}
#[no_mangle]
pub unsafe extern "C" fn Java_top_wherewego_vnt_jni_Vnt_list0(
mut env: JNIEnv,
_class: JClass,
raw_vnt: jlong,
) -> jobjectArray {
let vnt = raw_vnt as *mut VntSync;
let vnt = &mut *vnt;
let list = vnt.device_list();
let arr = match env.new_object_array(
list.len() as jsize,
"top/wherewego/vnt/jni/PeerDeviceInfo",
JObject::null(),
) {
Ok(arr) => arr,
Err(e) => {
env.throw_new("java/lang/RuntimeException", format!("error:{:?}", e))
.expect("throw");
return ptr::null_mut();
}
};
for (index, peer) in list.into_iter().enumerate() {
let route = if let Some(route) = vnt.route(&peer.virtual_ip) {
match route_parse(&mut env, route) {
Ok(route) => JObject::from_raw(route),
Err(_) => JObject::null(),
}
} else {
JObject::null()
};
match peer_device_info_parse(&mut env, peer, route) {
Ok(peer) => {
match env.set_object_array_element(&arr, index as jsize, JObject::from_raw(peer)) {
Ok(_) => {}
Err(e) => {
env.throw_new("java/lang/RuntimeException", format!("error:{:?}", e))
.expect("throw");
return ptr::null_mut();
}
}
}
Err(e) => {
env.throw_new("java/lang/RuntimeException", format!("error:{:?}", e))
.expect("throw");
return ptr::null_mut();
}
}
}
arr.as_raw()
}
fn route_parse(env: &mut JNIEnv, route: Route) -> Result<jobject, Error> {
let address = route.addr.to_string();
let metric = route.metric;
let rt = route.rt;
let rs = env.new_object(
"top/wherewego/vnt/jni/Route",
"(Ljava/lang/String;BI)V",
&[
JValue::Object(&env.new_string(address)?.into()),
JValue::Byte(metric as jbyte),
JValue::Int(rt as jint),
],
)?;
Ok(rs.as_raw())
}
fn peer_device_info_parse(
env: &mut JNIEnv,
peer: PeerDeviceInfo,
route: JObject,
) -> Result<jobject, Error> {
let virtual_ip = u32::from(peer.virtual_ip);
let name = peer.name.to_string();
let status = format!("{:?}", peer.status);
let rs = env.new_object(
"top/wherewego/vnt/jni/PeerDeviceInfo",
"(ILjava/lang/String;Ljava/lang/String;Ltop/wherewego/vnt/jni/Route;)V",
&[
JValue::Int(virtual_ip as jint),
JValue::Object(&env.new_string(name)?.into()),
JValue::Object(&env.new_string(status)?.into()),
JValue::Object(&route),
],
)?;
Ok(rs.as_raw())
}