65 lines
2.1 KiB
Rust
65 lines
2.1 KiB
Rust
#![allow(dead_code)]
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use hbb_common::{bail, ResultType};
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use std::sync::{Arc, Mutex};
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const LIB_NAME_VIRTUAL_DISPLAY: &str = "virtual_display";
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lazy_static::lazy_static! {
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static ref LIB_VIRTUAL_DISPLAY: Arc<Mutex<Result<libloading::Library, libloading::Error>>> = {
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#[cfg(target_os = "windows")]
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let libname = format!("{}.dll", LIB_NAME_VIRTUAL_DISPLAY);
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#[cfg(target_os = "linux")]
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let libname = format!("lib{}.so", LIB_NAME_VIRTUAL_DISPLAY);
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#[cfg(target_os = "macos")]
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let libname = format!("lib{}.dylib", LIB_NAME_VIRTUAL_DISPLAY);
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Arc::new(Mutex::new(unsafe { libloading::Library::new(libname) }))
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};
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}
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pub(super) fn is_device_created() -> bool {
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match &*LIB_VIRTUAL_DISPLAY.lock().unwrap() {
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Ok(lib) => unsafe {
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match lib.get::<libloading::Symbol<fn() -> bool>>(b"is_device_created") {
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Ok(func) => func(),
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Err(..) => false,
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}
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},
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Err(..) => false,
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}
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}
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macro_rules! def_func_result {
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($func:ident, $name: tt) => {
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pub(super) fn $func() -> ResultType<()> {
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match &*LIB_VIRTUAL_DISPLAY.lock().unwrap() {
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Ok(lib) => unsafe {
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match lib.get::<libloading::Symbol<fn() -> ResultType<()>>>($name.as_bytes()) {
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Ok(func) => func(),
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Err(..) => bail!("Failed to load func {}", $name),
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}
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},
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Err(e) => bail!("Failed to load library {}, {}", LIB_NAME_VIRTUAL_DISPLAY, e),
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}
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}
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};
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}
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def_func_result!(create_device, "create_device");
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pub(super) fn close_device() {
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match &*LIB_VIRTUAL_DISPLAY.lock().unwrap() {
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Ok(lib) => unsafe {
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match lib.get::<libloading::Symbol<fn()>>(b"close_device") {
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Ok(func) => func(),
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Err(..) => {},
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}
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},
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Err(..) => {},
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}
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}
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def_func_result!(plug_in_monitor, "plug_in_monitor");
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def_func_result!(plug_out_monitor, "plug_out_monitor");
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def_func_result!(update_monitor_modes, "update_monitor_modes");
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