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| 1 | +use std::{ |
| 2 | + ffi::{CStr, CString}, |
| 3 | + fs::File, |
| 4 | + io::{BufRead as _, BufReader, Read}, |
| 5 | + os::fd::AsFd, |
| 6 | + ptr::{addr_of, NonNull}, |
| 7 | + sync::{Arc, Mutex}, |
| 8 | + time::Duration, |
| 9 | +}; |
| 10 | + |
| 11 | +use anyhow::Result; |
| 12 | +use log::{error, info, Level}; |
| 13 | +use ndk::{ |
| 14 | + asset::AssetManager, |
| 15 | + data_space::DataSpace, |
| 16 | + hardware_buffer::HardwareBufferUsage, |
| 17 | + looper::{FdEvent, ThreadLooper}, |
| 18 | + media::{ |
| 19 | + image_reader::{Image, ImageFormat, ImageReader}, |
| 20 | + media_format::MediaFormat, |
| 21 | + }, |
| 22 | + native_activity::NativeActivity, |
| 23 | + native_window::NativeWindow, |
| 24 | + thermal::ThermalManager, |
| 25 | + // surface_control::{SurfaceControl, SurfaceTransaction}, |
| 26 | +}; |
| 27 | + |
| 28 | +pub(crate) fn android_log(level: Level, tag: &CStr, msg: &CStr) { |
| 29 | + let prio = match level { |
| 30 | + Level::Error => ndk_sys::android_LogPriority::ANDROID_LOG_ERROR, |
| 31 | + Level::Warn => ndk_sys::android_LogPriority::ANDROID_LOG_WARN, |
| 32 | + Level::Info => ndk_sys::android_LogPriority::ANDROID_LOG_INFO, |
| 33 | + Level::Debug => ndk_sys::android_LogPriority::ANDROID_LOG_DEBUG, |
| 34 | + Level::Trace => ndk_sys::android_LogPriority::ANDROID_LOG_VERBOSE, |
| 35 | + }; |
| 36 | + unsafe { |
| 37 | + ndk_sys::__android_log_write(prio.0 as i32, tag.as_ptr(), msg.as_ptr()); |
| 38 | + } |
| 39 | +} |
| 40 | + |
| 41 | +pub(crate) fn forward_stdio_to_logcat() -> std::thread::JoinHandle<std::io::Result<()>> { |
| 42 | + // XXX: make this stdout/stderr redirection an optional / opt-in feature?... |
| 43 | + |
| 44 | + let file = { |
| 45 | + let logpipe = rustix::pipe::pipe().unwrap(); |
| 46 | + rustix::stdio::dup2_stdout(&logpipe.1).unwrap(); |
| 47 | + rustix::stdio::dup2_stderr(&logpipe.1).unwrap(); |
| 48 | + |
| 49 | + File::from(logpipe.0) |
| 50 | + }; |
| 51 | + |
| 52 | + std::thread::Builder::new() |
| 53 | + .name("stdio-to-logcat".to_string()) |
| 54 | + .spawn(move || -> std::io::Result<()> { |
| 55 | + let tag = CStr::from_bytes_with_nul(b"RustStdoutStderr\0").unwrap(); |
| 56 | + let mut reader = BufReader::new(file); |
| 57 | + let mut buffer = String::new(); |
| 58 | + loop { |
| 59 | + buffer.clear(); |
| 60 | + let len = match reader.read_line(&mut buffer) { |
| 61 | + Ok(len) => len, |
| 62 | + Err(e) => { |
| 63 | + error!("Logcat forwarder failed to read stdin/stderr: {e:?}"); |
| 64 | + break Err(e); |
| 65 | + } |
| 66 | + }; |
| 67 | + if len == 0 { |
| 68 | + break Ok(()); |
| 69 | + } else if let Ok(msg) = CString::new(buffer.clone()) { |
| 70 | + android_log(Level::Info, tag, &msg); |
| 71 | + } |
| 72 | + } |
| 73 | + }) |
| 74 | + .expect("Failed to start stdout/stderr to logcat forwarder thread") |
| 75 | +} |
| 76 | + |
| 77 | +#[no_mangle] |
| 78 | +unsafe extern "C" fn ANativeActivity_onCreate(activity: *mut ndk_sys::ANativeActivity) { |
| 79 | + forward_stdio_to_logcat(); |
| 80 | + |
| 81 | + let activity = &mut *activity; |
| 82 | + |
| 83 | + let mut thread = std::thread::spawn(move || { |
| 84 | + let looper = ThreadLooper::prepare(); |
| 85 | + let (read, write) = rustix::pipe::pipe().unwrap(); |
| 86 | + |
| 87 | + println!("New thread ID {:?}", std::thread::current().id()); |
| 88 | + let tm = Arc::new(ThermalManager::new().unwrap()); |
| 89 | + dbg!(tm.current_thermal_status()); |
| 90 | + // dbg!(tm |
| 91 | + // .thermal_headroom_thresholds() |
| 92 | + // .unwrap() |
| 93 | + // .unwrap() |
| 94 | + // .collect::<Vec<_>>()); |
| 95 | + let token = Arc::new(Mutex::new(None)); |
| 96 | + let t2 = token.clone(); |
| 97 | + let tm2 = tm.clone(); |
| 98 | + *t2.lock().unwrap() = Some( |
| 99 | + tm.register_thermal_status_listener(Box::new(move |s| { |
| 100 | + println!( |
| 101 | + "Thermal callback fired on ID {:?}", |
| 102 | + std::thread::current().id() |
| 103 | + ); |
| 104 | + dbg!(s); |
| 105 | + println!("BEFORE UNREGISTERED"); |
| 106 | + tm2.unregister_thermal_status_listener(dbg!(token.lock().unwrap().take().unwrap())) |
| 107 | + .unwrap(); |
| 108 | + println!("UNREGISTERED"); |
| 109 | + })) |
| 110 | + .unwrap(), |
| 111 | + ); |
| 112 | + // std::thread::sleep(Duration::from_millis(2000)); |
| 113 | + // tm.unregister_thermal_status_listener(x).unwrap(); |
| 114 | + // std::thread::sleep(Duration::from_millis(200)); |
| 115 | + looper |
| 116 | + .as_foreign() |
| 117 | + .add_fd(read.as_fd(), 10, FdEvent::all(), std::ptr::null_mut()) |
| 118 | + .unwrap(); |
| 119 | + |
| 120 | + // rustix::io::write(&write, b"hello\0").unwrap(); |
| 121 | + |
| 122 | + loop { |
| 123 | + println!("Starting looper"); |
| 124 | + match looper |
| 125 | + .poll_once() |
| 126 | + // .poll_once_timeout(Duration::from_millis(200)) |
| 127 | + .unwrap() |
| 128 | + { |
| 129 | + ndk::looper::Poll::Wake => todo!(), |
| 130 | + ndk::looper::Poll::Callback => { |
| 131 | + info!("Callback"); |
| 132 | + } |
| 133 | + ndk::looper::Poll::Timeout => { |
| 134 | + rustix::io::write(&write, b"Timeout\0").unwrap(); |
| 135 | + } |
| 136 | + ndk::looper::Poll::Event { |
| 137 | + ident, |
| 138 | + fd, |
| 139 | + events, |
| 140 | + data, |
| 141 | + } => { |
| 142 | + dbg!(fd, events); |
| 143 | + let mut data = vec![0; 1024]; |
| 144 | + let len = dbg!(rustix::io::read(fd, &mut data)).unwrap(); |
| 145 | + dbg!(&data[..len]); |
| 146 | + |
| 147 | + rustix::io::write(&write, b"Hello from event to CB\0").unwrap(); |
| 148 | + |
| 149 | + looper |
| 150 | + .as_foreign() |
| 151 | + .add_fd_with_callback(read.as_fd(), FdEvent::all(), |fd, event| { |
| 152 | + dbg!(fd, events); |
| 153 | + let mut data = vec![0; 1024]; |
| 154 | + let len = dbg!(rustix::io::read(fd, &mut data)).unwrap(); |
| 155 | + dbg!(&data[..len]); |
| 156 | + // rustix::io::write(&write, b"Hello from CB to whomever\0").unwrap(); |
| 157 | + true |
| 158 | + // false |
| 159 | + }) |
| 160 | + .unwrap(); |
| 161 | + dbg!(&write); |
| 162 | + } |
| 163 | + } |
| 164 | + } |
| 165 | + // looper |
| 166 | + // .as_foreign() |
| 167 | + // .add_fd(read.as_fd(), 10, FdEvent::all(), std::ptr::null_mut()); |
| 168 | + }); |
| 169 | + |
| 170 | + activity.instance = <*mut _>::cast(&mut thread); |
| 171 | + std::mem::forget(thread); |
| 172 | + // main(app).expect("Main failed") |
| 173 | +} |
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