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Merge pull request #6 from TickLabVN/send-metrics
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -3,4 +3,6 @@ name = "proxy" | |
| version = "0.1.0" | ||
| edition = "2021" | ||
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| [dependencies] | ||
| [dependencies] | ||
| libc = "0.2.152" | ||
| winapi = "0.3.9" | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| #[cfg(any(target_os = "linux", target = "macos"))] | ||
| use libc::{close, open, write, O_WRONLY}; | ||
| use std::ffi::CString; | ||
| use std::io::Error; | ||
| #[cfg(any(target_os = "linux", target = "macos"))] | ||
| pub fn handle_metrics(pipe_name: &str, data: &str) -> Result<(), Error> { | ||
| let c_pipe_name = CString::new(pipe_name).expect("Failed to convert pipe name to CString"); | ||
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| let fd = unsafe { open(c_pipe_name.as_ptr(), O_WRONLY) }; | ||
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| if fd == -1 { | ||
| return Err(Error::last_os_error()); | ||
| } | ||
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| let result = unsafe { write(fd, data.as_ptr() as *const std::ffi::c_void, data.len()) }; | ||
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| unsafe { | ||
| close(fd); | ||
| } | ||
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| if result == -1 { | ||
| return Err(Error::last_os_error()); | ||
| } | ||
| Ok(()) | ||
| } | ||
| #[cfg(target_os = "windows")] | ||
| use { | ||
| std::ffi::OsStr, | ||
| std::io::Error, | ||
| std::os::windows::ffi::OsStrExt, | ||
| std::ptr, | ||
| winapi::ctypes::c_void, | ||
| winapi::um::fileapi::{CreateFileW, WriteFile, OPEN_EXISTING}, | ||
| winapi::um::winbase::FILE_FLAG_OVERLAPPED, | ||
| winapi::um::winnt::{FILE_SHARE_READ, GENERIC_WRITE}, | ||
| }; | ||
| #[cfg(target_os = "windows")] | ||
| fn connect_to_pipe(pipe_name: &str) -> Result<i32, Error> { | ||
| let pipe_name = OsStr::new(pipe_name) | ||
| .encode_wide() | ||
| .chain(Some(0).into_iter()) | ||
| .collect::<Vec<_>>(); | ||
| let pipe_handle = unsafe { | ||
| CreateFileW( | ||
| pipe_name.as_ptr(), | ||
| GENERIC_WRITE, | ||
| FILE_SHARE_READ, | ||
| ptr::null_mut(), | ||
| OPEN_EXISTING, | ||
| FILE_FLAG_OVERLAPPED, | ||
| ptr::null_mut(), | ||
| ) | ||
| }; | ||
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| if pipe_handle == winapi::um::handleapi::INVALID_HANDLE_VALUE { | ||
| return Err(Error::last_os_error()); | ||
| } | ||
| Ok(pipe_handle as i32) | ||
| } | ||
| #[cfg(target_os = "windows")] | ||
| fn write_to_pipe(pipe_handle: i32, data: &str) -> Result<(), Error> { | ||
| let data_bytes = data.as_bytes(); | ||
| let mut bytes_written: u32 = 0; | ||
|
|
||
| loop { | ||
| let result = unsafe { | ||
| WriteFile( | ||
| pipe_handle as *mut c_void, | ||
| data_bytes.as_ptr() as *const _, | ||
| data_bytes.len() as u32, | ||
| &mut bytes_written, | ||
| ptr::null_mut(), | ||
| ) | ||
| }; | ||
|
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| if result == 0 { | ||
| return Err(Error::last_os_error()); | ||
| } | ||
|
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| // Break the loop if all bytes are written | ||
| if bytes_written == data_bytes.len() as u32 { | ||
| break; | ||
| } | ||
| } | ||
|
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| Ok(()) | ||
| } | ||
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| #[cfg(target_os = "windows")] | ||
| pub fn handle_metrics(pipe_name: &str, data: &str) -> Result<(), Error> { | ||
| match connect_to_pipe(&pipe_name) { | ||
| Ok(pipe_handle) => { | ||
| match write_to_pipe(pipe_handle, &data) { | ||
| Ok(()) => println!("Succeed in sending data"), | ||
| Err(err) => eprintln!("Error writing to pipe: {}", err), | ||
| } | ||
| Ok(()) | ||
| } | ||
| Err(err) => { | ||
| eprintln!("Error connecting to named pipe: {}", err); | ||
| Err(err) | ||
| } | ||
| } | ||
| } |
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