Struct tauri::api::process::CommandChild
source · pub struct CommandChild { /* private fields */ }
Available on crate feature
process-command-api
only.Expand description
Spawned child process.
Implementations§
source§impl CommandChild
impl CommandChild
sourcepub fn write(&mut self, buf: &[u8]) -> Result<()>
pub fn write(&mut self, buf: &[u8]) -> Result<()>
Writes to process stdin.
Examples found in repository?
src/endpoints/shell.rs (line 189)
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fn stdin_write<R: Runtime>(
_context: InvokeContext<R>,
pid: ChildId,
buffer: Buffer,
) -> super::Result<()> {
if let Some(child) = command_child_store().lock().unwrap().get_mut(&pid) {
match buffer {
Buffer::Text(t) => child.write(t.as_bytes())?,
Buffer::Raw(r) => child.write(&r)?,
}
}
Ok(())
}
sourcepub fn pid(&self) -> u32
pub fn pid(&self) -> u32
Returns the process pid.
Examples found in repository?
src/endpoints/shell.rs (line 162)
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fn execute<R: Runtime>(
context: InvokeContext<R>,
program: String,
args: ExecuteArgs,
on_event_fn: CallbackFn,
options: CommandOptions,
) -> super::Result<ChildId> {
let mut command = if options.sidecar {
#[cfg(not(shell_sidecar))]
return Err(crate::Error::ApiNotAllowlisted("shell > sidecar".to_string()).into_anyhow());
#[cfg(shell_sidecar)]
{
let program = PathBuf::from(program);
let program_as_string = program.display().to_string();
let program_no_ext_as_string = program.with_extension("").display().to_string();
let configured_sidecar = context
.config
.tauri
.bundle
.external_bin
.as_ref()
.map(|bins| {
bins
.iter()
.find(|b| b == &&program_as_string || b == &&program_no_ext_as_string)
})
.unwrap_or_default();
if let Some(sidecar) = configured_sidecar {
context
.window
.state::<Scopes>()
.shell
.prepare_sidecar(&program.to_string_lossy(), sidecar, args)
.map_err(crate::error::into_anyhow)?
} else {
return Err(crate::Error::SidecarNotAllowed(program).into_anyhow());
}
}
} else {
#[cfg(not(shell_execute))]
return Err(crate::Error::ApiNotAllowlisted("shell > execute".to_string()).into_anyhow());
#[cfg(shell_execute)]
match context
.window
.state::<Scopes>()
.shell
.prepare(&program, args)
{
Ok(cmd) => cmd,
Err(e) => {
#[cfg(debug_assertions)]
eprintln!("{}", e);
return Err(crate::Error::ProgramNotAllowed(PathBuf::from(program)).into_anyhow());
}
}
};
#[cfg(any(shell_execute, shell_sidecar))]
{
if let Some(cwd) = options.cwd {
command = command.current_dir(cwd);
}
if let Some(env) = options.env {
command = command.envs(env);
} else {
command = command.env_clear();
}
if let Some(encoding) = options.encoding {
if let Some(encoding) = crate::api::process::Encoding::for_label(encoding.as_bytes()) {
command = command.encoding(encoding);
} else {
return Err(anyhow::anyhow!(format!("unknown encoding {}", encoding)));
}
}
let (mut rx, child) = command.spawn()?;
let pid = child.pid();
command_child_store().lock().unwrap().insert(pid, child);
crate::async_runtime::spawn(async move {
while let Some(event) = rx.recv().await {
if matches!(event, crate::api::process::CommandEvent::Terminated(_)) {
command_child_store().lock().unwrap().remove(&pid);
}
let js = crate::api::ipc::format_callback(on_event_fn, &event)
.expect("unable to serialize CommandEvent");
let _ = context.window.eval(js.as_str());
}
});
Ok(pid)
}
}