mirror of
https://github.com/DragonOS-Community/DragonOS.git
synced 2025-06-08 18:26:48 +00:00
remove uevent test
This commit is contained in:
val213
parent
b9f04fc3a4
commit
886504ff9b
@ -1,2 +0,0 @@
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[build]
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target = "x86_64-unknown-linux-musl"
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3
user/apps/test-uevent/.gitignore
vendored
3
user/apps/test-uevent/.gitignore
vendored
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/target
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Cargo.lock
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/install/
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@ -1,12 +0,0 @@
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[package]
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name = "test-uevent"
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version = "0.1.0"
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edition = "2021"
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description = "test for uevent"
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authors = [ "val213 <val213666@gmail.com>" ]
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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netlink-sys = "0.5"
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nix = "0.24"
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@ -1,56 +0,0 @@
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TOOLCHAIN="+nightly-2023-08-15-x86_64-unknown-linux-gnu"
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RUSTFLAGS+=""
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ifdef DADK_CURRENT_BUILD_DIR
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# 如果是在dadk中编译，那么安装到dadk的安装目录中
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INSTALL_DIR = $(DADK_CURRENT_BUILD_DIR)
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else
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# 如果是在本地编译，那么安装到当前目录下的install目录中
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INSTALL_DIR = ./install
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endif
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ifeq ($(ARCH), x86_64)
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export RUST_TARGET=x86_64-unknown-linux-musl
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else ifeq ($(ARCH), riscv64)
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export RUST_TARGET=riscv64gc-unknown-linux-gnu
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else
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# 默认为x86_86，用于本地编译
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export RUST_TARGET=x86_64-unknown-linux-musl
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endif
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run:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) run --target $(RUST_TARGET)
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build:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) build --target $(RUST_TARGET)
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clean:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) clean --target $(RUST_TARGET)
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test:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) test --target $(RUST_TARGET)
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doc:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) doc --target $(RUST_TARGET)
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fmt:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) fmt
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fmt-check:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) fmt --check
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run-release:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) run --target $(RUST_TARGET) --release
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build-release:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) build --target $(RUST_TARGET) --release
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clean-release:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) clean --target $(RUST_TARGET) --release
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test-release:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) test --target $(RUST_TARGET) --release
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.PHONY: install
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install:
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RUSTFLAGS=$(RUSTFLAGS) cargo $(TOOLCHAIN) install --target $(RUST_TARGET) --path . --no-track --root $(INSTALL_DIR) --force
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@ -1,4 +0,0 @@
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# test_uevent
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这是一个测试 uevent 机制的应用，用于测试uevent的功能。
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执行此测试，将会执行以下操作：
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@ -1,166 +0,0 @@
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use libc::{sockaddr, recvfrom, bind, sendto, socket, AF_NETLINK, SOCK_DGRAM, getpid, c_void};
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use nix::libc;
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use std::os::unix::io::RawFd;
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use std::{io, mem};
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#[repr(C)]
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struct Nlmsghdr {
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nlmsg_len: u32,
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nlmsg_type: u16,
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nlmsg_flags: u16,
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nlmsg_seq: u32,
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nlmsg_pid: u32,
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}
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fn create_netlink_socket() -> io::Result<RawFd> {
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let sockfd = unsafe {
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socket(AF_NETLINK, SOCK_DGRAM, libc::NETLINK_KOBJECT_UEVENT)
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};
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if sockfd < 0 {
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println!("Error: {}", io::Error::last_os_error());
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return Err(io::Error::last_os_error());
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}
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Ok(sockfd)
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}
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fn bind_netlink_socket(sock: RawFd) -> io::Result<()> {
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let pid = unsafe { getpid() };
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let mut addr: libc::sockaddr_nl = unsafe { mem::zeroed() };
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addr.nl_family = AF_NETLINK as u16;
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addr.nl_pid = pid as u32;
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addr.nl_groups = 1;
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let ret = unsafe {
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bind(
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sock,
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&addr as *const _ as *const sockaddr,
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mem::size_of::<libc::sockaddr_nl>() as u32,
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)
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};
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if ret < 0 {
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println!("Error: {}", io::Error::last_os_error());
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return Err(io::Error::last_os_error());
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}
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Ok(())
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}
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fn send_uevent(sock: RawFd, message: &str) -> io::Result<()> {
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let mut addr: libc::sockaddr_nl = unsafe { mem::zeroed() };
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addr.nl_family = AF_NETLINK as u16;
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addr.nl_pid = 0;
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addr.nl_groups = 0;
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let nlmsghdr = Nlmsghdr {
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nlmsg_len: (mem::size_of::<Nlmsghdr>() + message.len()) as u32,
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nlmsg_type: 0,
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nlmsg_flags: 0,
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nlmsg_seq: 0,
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nlmsg_pid: 0,
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};
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let mut buffer = Vec::with_capacity(nlmsghdr.nlmsg_len as usize);
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buffer.extend_from_slice(unsafe {
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std::slice::from_raw_parts(
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&nlmsghdr as *const Nlmsghdr as *const u8,
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mem::size_of::<Nlmsghdr>(),
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)
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});
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buffer.extend_from_slice(message.as_bytes());
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let ret = unsafe {
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sendto(
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sock,
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buffer.as_ptr() as *const c_void,
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buffer.len(),
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0,
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&addr as *const _ as *const sockaddr,
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mem::size_of::<libc::sockaddr_nl>() as u32,
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)
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};
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if ret < 0 {
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println!("Error: {}", io::Error::last_os_error());
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return Err(io::Error::last_os_error());
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}
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Ok(())
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}
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fn receive_uevent(sock: RawFd) -> io::Result<String> {
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// 检查套接字文件描述符是否有效
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if sock < 0 {
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println!("Invalid socket file descriptor: {}", sock);
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return Err(io::Error::new(
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io::ErrorKind::InvalidInput,
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"Invalid socket file descriptor",
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));
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}
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let mut buf = [0u8; 1024];
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// let mut addr: sockaddr_storage = unsafe { mem::zeroed() };
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// let mut addr_len = mem::size_of::<sockaddr_storage>() as u32;
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// 检查缓冲区指针和长度是否有效
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if buf.is_empty() {
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println!("Buffer is empty");
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return Err(io::Error::new(
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io::ErrorKind::InvalidInput,
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"Buffer is empty",
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));
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}
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let len = unsafe {
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recvfrom(
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sock,
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buf.as_mut_ptr() as *mut c_void,
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buf.len(),
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0,
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core::ptr::null_mut(), // 不接收发送方地址
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core::ptr::null_mut(), // 不接收发送方地址长度
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)
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};
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println!("Received {} bytes", len);
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println!("Received message: {:?}", &buf[..len as usize]);
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if len < 0 {
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println!("Error: {}", io::Error::last_os_error());
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return Err(io::Error::last_os_error());
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}
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let nlmsghdr_size = mem::size_of::<Nlmsghdr>();
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if (len as usize) < nlmsghdr_size {
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println!("Received message is too short");
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return Err(io::Error::new(
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io::ErrorKind::InvalidData,
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"Received message is too short",
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));
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}
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let nlmsghdr = unsafe { &*(buf.as_ptr() as *const Nlmsghdr) };
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if nlmsghdr.nlmsg_len as isize > len {
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println!("Received message is incomplete");
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return Err(io::Error::new(
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io::ErrorKind::InvalidData,
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"Received message is incomplete",
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));
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}
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let message_data = &buf[nlmsghdr_size..nlmsghdr.nlmsg_len as usize];
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Ok(String::from_utf8_lossy(message_data).to_string())
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}
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fn main() {
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let socket = create_netlink_socket().expect("Failed to create Netlink socket");
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println!("Netlink socket created successfully");
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bind_netlink_socket(socket).expect("Failed to bind Netlink socket");
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println!("Netlink socket created and bound successfully");
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send_uevent(socket, "add@/devices/virtual/block/loop0").expect("Failed to send uevent message");
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println!("Custom uevent message sent successfully");
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let message = receive_uevent(socket).expect("Failed to receive uevent message");
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println!("Received uevent message: {}", message);
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}
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@ -1,29 +0,0 @@
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{
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"name": "test-uevent",
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"version": "0.1.0",
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"description": "",
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"rust_target": null,
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"task_type": {
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"BuildFromSource": {
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"Local": {
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"path": "apps/test-uevent"
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}
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}
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},
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"depends": [],
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"build": {
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"build_command": "make install"
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},
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"install": {
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"in_dragonos_path": "/"
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},
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"clean": {
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"clean_command": "make clean"
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},
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"envs": [],
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"build_once": false,
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"install_once": false,
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"target_arch": [
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"x86_64"
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]
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}
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