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- Can currently set the `telemetry` flag. - Telemetry status is stored in `MULTIRUST_HOME/telemetry` - Adds routing for telemetry for rustc calls and target add - Provides basic command proxying for telemetry
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Original file line number | Diff line number | Diff line change |
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#![feature(custom_derive, plugin)] | ||
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extern crate multirust_dist; | ||
#[macro_use] | ||
extern crate multirust_utils; | ||
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Original file line number | Diff line number | Diff line change |
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use std; | ||
use std::env; | ||
use std::ffi::OsStr; | ||
use std::io::{self, Write}; | ||
use std::path::PathBuf; | ||
use std::process::{self, Command, Output}; | ||
use std::time::Instant; | ||
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use Cfg; | ||
use errors::*; | ||
use multirust_utils; | ||
use telemetry; | ||
use telemetry::TelemetryEvent; | ||
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pub fn run_command_for_dir<S: AsRef<OsStr>>(cmd: Command, | ||
args: &[S], | ||
cfg: &Cfg) -> Result<()> { | ||
let arg0 = env::args().next().map(|a| PathBuf::from(a)); | ||
let arg0 = arg0.as_ref() | ||
.and_then(|a| a.file_name()) | ||
.and_then(|a| a.to_str()); | ||
let arg0 = try!(arg0.ok_or(Error::NoExeName)); | ||
if (arg0 == "rustc" || arg0 == "rustc.exe") && cfg.telemetry_enabled() { | ||
return telemetry_rustc(cmd, &args, &cfg); | ||
} | ||
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run_command_for_dir_without_telemetry(cmd, &args) | ||
} | ||
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fn telemetry_rustc<S: AsRef<OsStr>>(cmd: Command, args: &[S], cfg: &Cfg) -> Result<()> { | ||
let now = Instant::now(); | ||
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let output = bare_run_command_for_dir(cmd, &args); | ||
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let duration = now.elapsed(); | ||
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let ms = (duration.as_secs() as u64 * 1000) + (duration.subsec_nanos() as u64 / 1000 / 1000); | ||
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match output { | ||
Ok(out) => { | ||
let exit_code = out.status.code().unwrap_or(1); | ||
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let errors = match out.status.success() { | ||
true => None, | ||
_ => Some(String::from_utf8_lossy(&out.stderr).to_string()), | ||
}; | ||
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let _ = io::stdout().write(&out.stdout); | ||
let _ = io::stdout().flush(); | ||
let _ = io::stderr().write(&out.stderr); | ||
let _ = io::stderr().flush(); | ||
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let te = TelemetryEvent::RustcRun { duration_ms: ms, | ||
exit_code: exit_code, | ||
errors: errors }; | ||
telemetry::log_telemetry(te, cfg); | ||
process::exit(exit_code); | ||
}, | ||
Err(e) => { | ||
let exit_code = e.raw_os_error().unwrap_or(1); | ||
let te = TelemetryEvent::RustcRun { duration_ms: ms, | ||
exit_code: exit_code, | ||
errors: Some(format!("{}", e)) }; | ||
telemetry::log_telemetry(te, cfg); | ||
Err(multirust_utils::Error::RunningCommand { | ||
name: args[0].as_ref().to_owned(), | ||
error: multirust_utils::raw::CommandError::Io(e), | ||
}.into()) | ||
}, | ||
} | ||
} | ||
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fn run_command_for_dir_without_telemetry<S: AsRef<OsStr>>(cmd: Command, args: &[S]) -> Result<()> { | ||
let output = bare_run_command_for_dir(cmd, &args); | ||
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match output { | ||
Ok(out) => { | ||
let _ = io::stdout().write(&out.stdout); | ||
let _ = io::stdout().flush(); | ||
let _ = io::stderr().write(&out.stderr); | ||
let _ = io::stderr().flush(); | ||
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let status = out.status; | ||
// Ensure correct exit code is returned | ||
let code = status.code().unwrap_or(1); | ||
process::exit(code); | ||
} | ||
Err(e) => { | ||
Err(multirust_utils::Error::RunningCommand { | ||
name: args[0].as_ref().to_owned(), | ||
error: multirust_utils::raw::CommandError::Io(e), | ||
}.into()) | ||
} | ||
} | ||
} | ||
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fn bare_run_command_for_dir<S: AsRef<OsStr>>(mut cmd: Command, args: &[S]) -> std::result::Result<Output, std::io::Error> { | ||
cmd.args(&args[1..]); | ||
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// FIXME rust-lang/rust#32254. It's not clear to me | ||
// when and why this is needed. | ||
cmd.stdin(process::Stdio::inherit()); | ||
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cmd.output() | ||
} | ||
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