55 lines
1.9 KiB
Rust
55 lines
1.9 KiB
Rust
//! Custom error type for `peach-stats`.
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use probes::ProbeError;
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use std::{error, fmt, io::Error as IoError, str::Utf8Error};
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/// Custom error type encapsulating all possible errors when retrieving system
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/// statistics.
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#[derive(Debug)]
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pub enum StatsError {
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/// Failed to retrieve CPU statistics.
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CpuStat(ProbeError),
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/// Failed to retrieve disk usage statistics.
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DiskUsage(ProbeError),
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/// Failed to retrieve load average statistics.
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LoadAvg(ProbeError),
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/// Failed to retrieve memory usage statistics.
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MemStat(ProbeError),
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/// Failed to retrieve system uptime.
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Uptime(IoError),
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/// Systemctl command returned an error.
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Systemctl(IoError),
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/// Failed to interpret sequence of `u8` as a string.
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Utf8String(Utf8Error),
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}
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impl error::Error for StatsError {}
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impl fmt::Display for StatsError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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StatsError::CpuStat(ref source) => {
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write!(f, "Failed to retrieve CPU statistics: {}", source)
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}
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StatsError::DiskUsage(ref source) => {
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write!(f, "Failed to retrieve disk usage statistics: {}", source)
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}
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StatsError::LoadAvg(ref source) => {
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write!(f, "Failed to retrieve load average statistics: {}", source)
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}
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StatsError::MemStat(ref source) => {
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write!(f, "Failed to retrieve memory statistics: {}", source)
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}
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StatsError::Uptime(ref source) => {
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write!(f, "Failed to retrieve system uptime: {}", source)
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}
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StatsError::Systemctl(ref source) => {
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write!(f, "Systemctl command returned an error: {}", source)
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}
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StatsError::Utf8String(ref source) => {
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write!(f, "Failed to convert stdout to string: {}", source)
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}
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}
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}
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}
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