Move to bufio reader to support larger tokens#273
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immerrr
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Feb 3, 2025
internal/supervisor/output.go
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| line, err := reader.ReadBytes('\n') | ||
| if err != nil { | ||
| // EOF is expected, so don't log it | ||
| if err != io.EOF { | ||
| log.Printf("reader error: %v", err) | ||
| } | ||
| break | ||
| } | ||
| m.WriteLine(proc, line) |
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According to the docs, line may be non-empty even in case of an error (e.g. if the last output line is not terminated by \n), so may be worth piping it through regardless:
Suggested change
| line, err := reader.ReadBytes('\n') | |
| if err != nil { | |
| // EOF is expected, so don't log it | |
| if err != io.EOF { | |
| log.Printf("reader error: %v", err) | |
| } | |
| break | |
| } | |
| m.WriteLine(proc, line) | |
| line, err := reader.ReadBytes('\n') | |
| if len(line) > 0 { | |
| m.WriteLine(proc, line) | |
| } | |
| if err != nil { | |
| // EOF is expected, so don't log it | |
| if err != io.EOF { | |
| log.Printf("reader error: %v", err) | |
| } | |
| break | |
| } | |
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And one more thing, ReadBytes keeps the terminator in the returned line, so WriteLine may need to account for it:
buf.WriteString("\033[0m | ")
buf.Write(p)
- buf.WriteByte('\n')
+ if p[len(p)-1] != '\n' {
+ buf.WriteByte('\n')
+ }
m.mutex.Lock()
defer m.mutex.Unlock()
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@immerrr Thanks for the assist! |
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Works to address: #272