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lib/protocol, lib/model: Implement high precision time stamps (fixes #3305)

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This adds a new nanoseconds field to the FileInfo, populates it during
scans and sets the non-truncated time in Chtimes calls.

The actual file modification time is defined as modified_s seconds +
modified_ns nanoseconds. It's expected that the modified_ns field is <=
1e9 (that is, all whole seconds should go in the modified_s field) but
not really enforced. Given that it's an int32 the timestamp can be
adjusted += ~2.9 seconds by the modified_ns field...

GitHub-Pull-Request: https://github.com/syncthing/syncthing/pull/3431
This commit is contained in:
Jakob Borg
2016-08-06 13:05:59 +00:00
committed by Audrius Butkevicius
parent 0655991a19
commit ea87bcefd6
21 changed files with 321 additions and 240 deletions
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6
cmd/stfileinfo/main.go
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@@ -40,7 +40,8 @@ func main() {
log.Println("Lstat:")
log.Printf(" Size: %d bytes", fi.Size())
log.Printf(" Mode: 0%o", fi.Mode())
log.Printf(" Time: %v (%d)", fi.ModTime(), fi.ModTime().Unix())
log.Printf(" Time: %v", fi.ModTime())
log.Printf(" %d.%09d", fi.ModTime().Unix(), fi.ModTime().Nanosecond())
log.Println()
if !fi.Mode().IsDir() && !fi.Mode().IsRegular() {
@@ -52,7 +53,8 @@ func main() {
log.Println("Stat:")
log.Printf(" Size: %d bytes", fi.Size())
log.Printf(" Mode: 0%o", fi.Mode())
log.Printf(" Time: %v (%d)", fi.ModTime(), fi.ModTime().Unix())
log.Printf(" Time: %v", fi.ModTime())
log.Printf(" %d.%09d", fi.ModTime().Unix(), fi.ModTime().Nanosecond())
log.Println()
}