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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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9
lib/db/structs.go
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@@ -11,13 +11,14 @@ package db
import (
"fmt"
"time"
"github.com/syncthing/syncthing/lib/protocol"
)
func (f FileInfoTruncated) String() string {
return fmt.Sprintf("File{Name:%q, Permissions:0%o, Modified:%d, Version:%v, Length:%d, Deleted:%v, Invalid:%v, NoPermissions:%v}",
f.Name, f.Permissions, f.Modified, f.Version, f.Size, f.Deleted, f.Invalid, f.NoPermissions)
return fmt.Sprintf("File{Name:%q, Permissions:0%o, Modified:%v, Version:%v, Length:%d, Deleted:%v, Invalid:%v, NoPermissions:%v}",
f.Name, f.Permissions, f.ModTime(), f.Version, f.Size, f.Deleted, f.Invalid, f.NoPermissions)
}
func (f FileInfoTruncated) IsDeleted() bool {
@@ -55,3 +56,7 @@ func (f FileInfoTruncated) FileSize() int64 {
func (f FileInfoTruncated) FileName() string {
return f.Name
}
func (f FileInfoTruncated) ModTime() time.Time {
return time.Unix(f.ModifiedS, int64(f.ModifiedNs))
}