(pid: i32)
| 783 | } |
| 784 | |
| 785 | async fn sample_network(pid: i32) -> Result<NetworkSnapshot, AppError> { |
| 786 | let (received_bytes, sent_bytes) = sample_network_totals(pid).await.unwrap_or((None, None)); |
| 787 | let output = timeout( |
| 788 | NETWORK_SAMPLE_TIMEOUT, |
| 789 | Command::new("lsof") |
| 790 | .args(["-nP", "-a", "-p", &pid.to_string(), "-iTCP", "-iUDP"]) |
| 791 | .output(), |
| 792 | ) |
| 793 | .await |
| 794 | .map_err(|_| AppError::native("Timed out reading process network connections."))? |
| 795 | .map_err(|error| { |
| 796 | AppError::native(format!( |
| 797 | "Unable to read process network connections: {error}" |
| 798 | )) |
| 799 | })?; |
| 800 | if !output.status.success() { |
| 801 | return Ok(NetworkSnapshot { |
| 802 | connection_count: 0, |
| 803 | established_connection_count: 0, |
| 804 | received_bytes, |
| 805 | sent_bytes, |
| 806 | endpoints: Vec::new(), |
| 807 | }); |
| 808 | } |
| 809 | let mut connection_count = 0; |
| 810 | let mut established_connection_count = 0; |
| 811 | let mut endpoints = Vec::new(); |
| 812 | for line in String::from_utf8_lossy(&output.stdout).lines().skip(1) { |
| 813 | let trimmed = line.trim(); |
| 814 | if trimmed.is_empty() { |
| 815 | continue; |
| 816 | } |
| 817 | connection_count += 1; |
| 818 | if trimmed.contains("ESTABLISHED") { |
| 819 | established_connection_count += 1; |
| 820 | } |
| 821 | if endpoints.len() < 8 { |
| 822 | endpoints.push(compact_lsof_endpoint(trimmed)); |
| 823 | } |
| 824 | } |
| 825 | Ok(NetworkSnapshot { |
| 826 | connection_count, |
| 827 | established_connection_count, |
| 828 | received_bytes, |
| 829 | sent_bytes, |
| 830 | endpoints, |
| 831 | }) |
| 832 | } |
| 833 | |
| 834 | async fn sample_network_totals(pid: i32) -> Result<(Option<u64>, Option<u64>), AppError> { |
| 835 | let output = timeout( |
no test coverage detected