vikunja-api/vendor/github.com/getsentry/sentry-go/sourcereader.go
konrad d02d413c5e Sentry integration (#591)
Use sentry echo integration to send errors

Only capture errors not already handled by echo

Add sentry panic handler

Add sentry library

Add sentry init

Add sentry config

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/591
2020-06-19 18:47:15 +00:00

69 lines
1.2 KiB
Go

package sentry
import (
"bytes"
"io/ioutil"
"sync"
)
type sourceReader struct {
mu sync.Mutex
cache map[string][][]byte
}
func newSourceReader() sourceReader {
return sourceReader{
cache: make(map[string][][]byte),
}
}
func (sr *sourceReader) readContextLines(filename string, line, context int) ([][]byte, int) {
sr.mu.Lock()
defer sr.mu.Unlock()
lines, ok := sr.cache[filename]
if !ok {
data, err := ioutil.ReadFile(filename)
if err != nil {
sr.cache[filename] = nil
return nil, 0
}
lines = bytes.Split(data, []byte{'\n'})
sr.cache[filename] = lines
}
return sr.calculateContextLines(lines, line, context)
}
// `contextLine` points to a line that caused an issue itself, in relation to returned slice
func (sr *sourceReader) calculateContextLines(lines [][]byte, line, context int) ([][]byte, int) {
// Stacktrace lines are 1-indexed, slices are 0-indexed
line--
contextLine := context
if lines == nil || line >= len(lines) || line < 0 {
return nil, 0
}
if context < 0 {
context = 0
contextLine = 0
}
start := line - context
if start < 0 {
contextLine += start
start = 0
}
end := line + context + 1
if end > len(lines) {
end = len(lines)
}
return lines[start:end], contextLine
}