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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 14:29:10 +0000
commit2aa4a82499d4becd2284cdb482213d541b8804dd (patch)
treeb80bf8bf13c3766139fbacc530efd0dd9d54394c /testing/mozbase/rust/mozrunner/src/runner.rs
parentInitial commit. (diff)
downloadfirefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz
firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/mozbase/rust/mozrunner/src/runner.rs')
-rw-r--r--testing/mozbase/rust/mozrunner/src/runner.rs486
1 files changed, 486 insertions, 0 deletions
diff --git a/testing/mozbase/rust/mozrunner/src/runner.rs b/testing/mozbase/rust/mozrunner/src/runner.rs
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use mozprofile::prefreader::PrefReaderError;
+use mozprofile::profile::Profile;
+use std::collections::HashMap;
+use std::convert::From;
+use std::error::Error;
+use std::ffi::{OsStr, OsString};
+use std::fmt;
+use std::io;
+use std::io::ErrorKind;
+use std::path::{Path, PathBuf};
+use std::process;
+use std::process::{Child, Command, Stdio};
+use std::thread;
+use std::time;
+
+use crate::firefox_args::Arg;
+
+pub trait Runner {
+ type Process;
+
+ fn arg<S>(&mut self, arg: S) -> &mut Self
+ where
+ S: AsRef<OsStr>;
+
+ fn args<I, S>(&mut self, args: I) -> &mut Self
+ where
+ I: IntoIterator<Item = S>,
+ S: AsRef<OsStr>;
+
+ fn env<K, V>(&mut self, key: K, value: V) -> &mut Self
+ where
+ K: AsRef<OsStr>,
+ V: AsRef<OsStr>;
+
+ fn envs<I, K, V>(&mut self, envs: I) -> &mut Self
+ where
+ I: IntoIterator<Item = (K, V)>,
+ K: AsRef<OsStr>,
+ V: AsRef<OsStr>;
+
+ fn stdout<T>(&mut self, stdout: T) -> &mut Self
+ where
+ T: Into<Stdio>;
+
+ fn stderr<T>(&mut self, stderr: T) -> &mut Self
+ where
+ T: Into<Stdio>;
+
+ fn start(self) -> Result<Self::Process, RunnerError>;
+}
+
+pub trait RunnerProcess {
+ /// Attempts to collect the exit status of the process if it has already exited.
+ ///
+ /// This function will not block the calling thread and will only advisorily check to see if
+ /// the child process has exited or not. If the process has exited then on Unix the process ID
+ /// is reaped. This function is guaranteed to repeatedly return a successful exit status so
+ /// long as the child has already exited.
+ ///
+ /// If the process has exited, then `Ok(Some(status))` is returned. If the exit status is not
+ /// available at this time then `Ok(None)` is returned. If an error occurs, then that error is
+ /// returned.
+ fn try_wait(&mut self) -> io::Result<Option<process::ExitStatus>>;
+
+ /// Waits for the process to exit completely, killing it if it does not stop within `timeout`,
+ /// and returns the status that it exited with.
+ ///
+ /// Firefox' integrated background monitor observes long running threads during shutdown and
+ /// kills these after 63 seconds. If the process fails to exit within the duration of
+ /// `timeout`, it is forcefully killed.
+ ///
+ /// This function will continue to have the same return value after it has been called at least
+ /// once.
+ fn wait(&mut self, timeout: time::Duration) -> io::Result<process::ExitStatus>;
+
+ /// Determine if the process is still running.
+ fn running(&mut self) -> bool;
+
+ /// Forces the process to exit and returns the exit status. This is
+ /// equivalent to sending a SIGKILL on Unix platforms.
+ fn kill(&mut self) -> io::Result<process::ExitStatus>;
+}
+
+#[derive(Debug)]
+pub enum RunnerError {
+ Io(io::Error),
+ PrefReader(PrefReaderError),
+}
+
+impl fmt::Display for RunnerError {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ match *self {
+ RunnerError::Io(ref err) => match err.kind() {
+ ErrorKind::NotFound => "no such file or directory".fmt(f),
+ _ => err.fmt(f),
+ },
+ RunnerError::PrefReader(ref err) => err.fmt(f),
+ }
+ }
+}
+
+impl Error for RunnerError {
+ fn cause(&self) -> Option<&dyn Error> {
+ Some(match *self {
+ RunnerError::Io(ref err) => err as &dyn Error,
+ RunnerError::PrefReader(ref err) => err as &dyn Error,
+ })
+ }
+}
+
+impl From<io::Error> for RunnerError {
+ fn from(value: io::Error) -> RunnerError {
+ RunnerError::Io(value)
+ }
+}
+
+impl From<PrefReaderError> for RunnerError {
+ fn from(value: PrefReaderError) -> RunnerError {
+ RunnerError::PrefReader(value)
+ }
+}
+
+#[derive(Debug)]
+pub struct FirefoxProcess {
+ process: Child,
+ profile: Profile,
+}
+
+impl RunnerProcess for FirefoxProcess {
+ fn try_wait(&mut self) -> io::Result<Option<process::ExitStatus>> {
+ self.process.try_wait()
+ }
+
+ fn wait(&mut self, timeout: time::Duration) -> io::Result<process::ExitStatus> {
+ let start = time::Instant::now();
+ loop {
+ match self.try_wait() {
+ // child has already exited, reap its exit code
+ Ok(Some(status)) => return Ok(status),
+
+ // child still running and timeout elapsed, kill it
+ Ok(None) if start.elapsed() >= timeout => return self.kill(),
+
+ // child still running, let's give it more time
+ Ok(None) => thread::sleep(time::Duration::from_millis(100)),
+
+ Err(e) => return Err(e),
+ }
+ }
+ }
+
+ fn running(&mut self) -> bool {
+ self.try_wait().unwrap().is_none()
+ }
+
+ fn kill(&mut self) -> io::Result<process::ExitStatus> {
+ match self.try_wait() {
+ // child has already exited, reap its exit code
+ Ok(Some(status)) => Ok(status),
+
+ // child still running, kill it
+ Ok(None) => {
+ debug!("Killing process {}", self.process.id());
+ self.process.kill()?;
+ self.process.wait()
+ }
+
+ Err(e) => Err(e),
+ }
+ }
+}
+
+#[derive(Debug)]
+pub struct FirefoxRunner {
+ path: PathBuf,
+ profile: Profile,
+ args: Vec<OsString>,
+ envs: HashMap<OsString, OsString>,
+ stdout: Option<Stdio>,
+ stderr: Option<Stdio>,
+}
+
+impl FirefoxRunner {
+ /// Initialise Firefox process runner.
+ ///
+ /// On macOS, `path` can optionally point to an application bundle,
+ /// i.e. _/Applications/Firefox.app_, as well as to an executable program
+ /// such as _/Applications/Firefox.app/Content/MacOS/firefox-bin_.
+ pub fn new(path: &Path, profile: Profile) -> FirefoxRunner {
+ let mut envs: HashMap<OsString, OsString> = HashMap::new();
+ envs.insert("MOZ_NO_REMOTE".into(), "1".into());
+
+ FirefoxRunner {
+ path: path.to_path_buf(),
+ envs,
+ profile,
+ args: vec![],
+ stdout: None,
+ stderr: None,
+ }
+ }
+}
+
+impl Runner for FirefoxRunner {
+ type Process = FirefoxProcess;
+
+ fn arg<S>(&mut self, arg: S) -> &mut FirefoxRunner
+ where
+ S: AsRef<OsStr>,
+ {
+ self.args.push((&arg).into());
+ self
+ }
+
+ fn args<I, S>(&mut self, args: I) -> &mut FirefoxRunner
+ where
+ I: IntoIterator<Item = S>,
+ S: AsRef<OsStr>,
+ {
+ for arg in args {
+ self.args.push((&arg).into());
+ }
+ self
+ }
+
+ fn env<K, V>(&mut self, key: K, value: V) -> &mut FirefoxRunner
+ where
+ K: AsRef<OsStr>,
+ V: AsRef<OsStr>,
+ {
+ self.envs.insert((&key).into(), (&value).into());
+ self
+ }
+
+ fn envs<I, K, V>(&mut self, envs: I) -> &mut FirefoxRunner
+ where
+ I: IntoIterator<Item = (K, V)>,
+ K: AsRef<OsStr>,
+ V: AsRef<OsStr>,
+ {
+ for (key, value) in envs {
+ self.envs.insert((&key).into(), (&value).into());
+ }
+ self
+ }
+
+ fn stdout<T>(&mut self, stdout: T) -> &mut Self
+ where
+ T: Into<Stdio>,
+ {
+ self.stdout = Some(stdout.into());
+ self
+ }
+
+ fn stderr<T>(&mut self, stderr: T) -> &mut Self
+ where
+ T: Into<Stdio>,
+ {
+ self.stderr = Some(stderr.into());
+ self
+ }
+
+ fn start(mut self) -> Result<FirefoxProcess, RunnerError> {
+ self.profile.user_prefs()?.write()?;
+
+ let stdout = self.stdout.unwrap_or_else(Stdio::inherit);
+ let stderr = self.stderr.unwrap_or_else(Stdio::inherit);
+
+ let binary_path = platform::resolve_binary_path(&mut self.path);
+ let mut cmd = Command::new(binary_path);
+ cmd.args(&self.args[..])
+ .envs(&self.envs)
+ .stdout(stdout)
+ .stderr(stderr);
+
+ let mut seen_foreground = false;
+ let mut seen_no_remote = false;
+ let mut seen_profile = false;
+ for arg in self.args.iter() {
+ match arg.into() {
+ Arg::Foreground => seen_foreground = true,
+ Arg::NoRemote => seen_no_remote = true,
+ Arg::Profile | Arg::NamedProfile | Arg::ProfileManager => seen_profile = true,
+ Arg::Other(_) | Arg::None => {}
+ }
+ }
+ if !seen_foreground {
+ cmd.arg("-foreground");
+ }
+ if !seen_no_remote {
+ cmd.arg("-no-remote");
+ }
+ if !seen_profile {
+ cmd.arg("-profile").arg(&self.profile.path);
+ }
+
+ info!("Running command: {:?}", cmd);
+ let process = cmd.spawn()?;
+ Ok(FirefoxProcess {
+ process,
+ profile: self.profile,
+ })
+ }
+}
+
+#[cfg(all(not(target_os = "macos"), unix))]
+pub mod platform {
+ use crate::path::find_binary;
+ use std::path::PathBuf;
+
+ pub fn resolve_binary_path(path: &mut PathBuf) -> &PathBuf {
+ path
+ }
+
+ /// Searches the system path for `firefox`.
+ pub fn firefox_default_path() -> Option<PathBuf> {
+ find_binary("firefox")
+ }
+
+ pub fn arg_prefix_char(c: char) -> bool {
+ c == '-'
+ }
+}
+
+#[cfg(target_os = "macos")]
+pub mod platform {
+ use crate::path::{find_binary, is_binary};
+ use dirs;
+ use plist::Value;
+ use std::path::PathBuf;
+
+ /// Searches for the binary file inside the path passed as parameter.
+ /// If the binary is not found, the path remains unaltered.
+ /// Else, it gets updated by the new binary path.
+ pub fn resolve_binary_path(path: &mut PathBuf) -> &PathBuf {
+ if path.as_path().is_dir() {
+ let mut info_plist = path.clone();
+ info_plist.push("Contents");
+ info_plist.push("Info.plist");
+ if let Ok(plist) = Value::from_file(&info_plist) {
+ if let Some(dict) = plist.as_dictionary() {
+ if let Some(binary_file) = dict.get("CFBundleExecutable") {
+ if let Value::String(s) = binary_file {
+ path.push("Contents");
+ path.push("MacOS");
+ path.push(s);
+ }
+ }
+ }
+ }
+ }
+ path
+ }
+
+ /// Searches the system path for `firefox-bin`, then looks for
+ /// `Applications/Firefox.app/Contents/MacOS/firefox-bin` as well
+ /// as `Applications/Firefox Nightly.app/Contents/MacOS/firefox-bin`
+ /// under both `/` (system root) and the user home directory.
+ pub fn firefox_default_path() -> Option<PathBuf> {
+ if let Some(path) = find_binary("firefox-bin") {
+ return Some(path);
+ }
+
+ let home = dirs::home_dir();
+ for &(prefix_home, trial_path) in [
+ (
+ false,
+ "/Applications/Firefox.app/Contents/MacOS/firefox-bin",
+ ),
+ (true, "Applications/Firefox.app/Contents/MacOS/firefox-bin"),
+ (
+ false,
+ "/Applications/Firefox Nightly.app/Contents/MacOS/firefox-bin",
+ ),
+ (
+ true,
+ "Applications/Firefox Nightly.app/Contents/MacOS/firefox-bin",
+ ),
+ ]
+ .iter()
+ {
+ let path = match (home.as_ref(), prefix_home) {
+ (Some(ref home_dir), true) => home_dir.join(trial_path),
+ (None, true) => continue,
+ (_, false) => PathBuf::from(trial_path),
+ };
+ if is_binary(&path) {
+ return Some(path);
+ }
+ }
+
+ None
+ }
+
+ pub fn arg_prefix_char(c: char) -> bool {
+ c == '-'
+ }
+}
+
+#[cfg(target_os = "windows")]
+pub mod platform {
+ use crate::path::{find_binary, is_binary};
+ use std::io::Error;
+ use std::path::PathBuf;
+ use winreg::enums::*;
+ use winreg::RegKey;
+
+ pub fn resolve_binary_path(path: &mut PathBuf) -> &PathBuf {
+ path
+ }
+
+ /// Searches the Windows registry, then the system path for `firefox.exe`.
+ ///
+ /// It _does not_ currently check the `HKEY_CURRENT_USER` tree.
+ pub fn firefox_default_path() -> Option<PathBuf> {
+ if let Ok(Some(path)) = firefox_registry_path() {
+ if is_binary(&path) {
+ return Some(path);
+ }
+ };
+ find_binary("firefox.exe")
+ }
+
+ fn firefox_registry_path() -> Result<Option<PathBuf>, Error> {
+ let hklm = RegKey::predef(HKEY_LOCAL_MACHINE);
+ for subtree_key in ["SOFTWARE", "SOFTWARE\\WOW6432Node"].iter() {
+ let subtree = hklm.open_subkey_with_flags(subtree_key, KEY_READ)?;
+ let mozilla_org = match subtree.open_subkey_with_flags("mozilla.org\\Mozilla", KEY_READ)
+ {
+ Ok(val) => val,
+ Err(_) => continue,
+ };
+ let current_version: String = mozilla_org.get_value("CurrentVersion")?;
+ let mozilla = subtree.open_subkey_with_flags("Mozilla", KEY_READ)?;
+ for key_res in mozilla.enum_keys() {
+ let key = key_res?;
+ let section_data = mozilla.open_subkey_with_flags(&key, KEY_READ)?;
+ let version: Result<String, _> = section_data.get_value("GeckoVer");
+ if let Ok(ver) = version {
+ if ver == current_version {
+ let mut bin_key = key.to_owned();
+ bin_key.push_str("\\bin");
+ if let Ok(bin_subtree) = mozilla.open_subkey_with_flags(bin_key, KEY_READ) {
+ let path_to_exe: Result<String, _> = bin_subtree.get_value("PathToExe");
+ if let Ok(path_to_exe) = path_to_exe {
+ let path = PathBuf::from(path_to_exe);
+ if is_binary(&path) {
+ return Ok(Some(path));
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ Ok(None)
+ }
+
+ pub fn arg_prefix_char(c: char) -> bool {
+ c == '/' || c == '-'
+ }
+}
+
+#[cfg(not(any(unix, target_os = "windows")))]
+pub mod platform {
+ use std::path::PathBuf;
+
+ /// Returns an unaltered path for all operating systems other than macOS.
+ pub fn resolve_binary_path(path: &mut PathBuf) -> &PathBuf {
+ path
+ }
+
+ /// Returns `None` for all other operating systems than Linux, macOS, and
+ /// Windows.
+ pub fn firefox_default_path() -> Option<PathBuf> {
+ None
+ }
+
+ pub fn arg_prefix_char(c: char) -> bool {
+ c == '-'
+ }
+}