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starting to write the manager library

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deranjer
2020-06-18 17:22:42 -04:00
parent 55561d8667
commit 8c01cdbcf4
10 changed files with 709 additions and 27 deletions
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16
common/engine/watcher.go
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@@ -4,9 +4,9 @@ import (
"context"
"sync"
logger "github.com/apsdehal/go-logger"
"github.com/deranjer/gvc/common/database"
watcher "github.com/radovskyb/watcher"
"github.com/rs/zerolog"
)
type key string
@@ -22,7 +22,7 @@ type Event struct {
// * copying any versions and keeping them safe (even if temporary)
// * creating the diff of the file, in both directions if necessary
// * storing the details in the database
func NewWatcher(logger *logger.Logger, KEYFOLDER, DOWNLOADFOLDER, SYNCFOLDER, THUMBFOLDER, DIFFFOLDER string) (FileWatcher, error) {
func NewWatcher(logger *zerolog.Logger, KEYFOLDER, DOWNLOADFOLDER, SYNCFOLDER, THUMBFOLDER, DIFFFOLDER string) (FileWatcher, error) {
w := FileWatcher{
watcher.New(),
logger,
@@ -59,11 +59,11 @@ func (fw *FileWatcher) BeginWatcherRoutine(ctx context.Context, wg *sync.WaitGro
// we have filtered already on the [Op]erations we want to listen for so no need to check here
case event := <-fw.Watcher.Event:
if !fw.IsEnabled() {
fw.Infof("ignoring event and reenabling the watcher %s\r\n", event)
fw.Info().Msgf("ignoring event and reenabling the watcher %s\r\n", event)
fw.Enable()
continue
}
fw.Infof("event fired ", event)
fw.Info().Msgf("event fired ", event)
//this is currently slow as it does a db lookup on the path.
//TODO: On load (or whenever a file is added to the watcher, the db information for files being watched, could be cached in memory. This would be much faster)
fileInfo, err := onFileChanged(event.Path) //could return the 'Event' object here
@@ -74,7 +74,7 @@ func (fw *FileWatcher) BeginWatcherRoutine(ctx context.Context, wg *sync.WaitGro
//we need the hash of the current base, not the hash of the original file
// fileHash := fileInfo.CurrentHash //hash needs to come from
if err != nil {
fw.ErrorF("path was not returned to sync path", err)
fw.Err(err).Msg("path was not returned to sync path")
continue
}
//cancel the event if it indeed is running...
@@ -105,12 +105,12 @@ func (fw *FileWatcher) BeginWatcherRoutine(ctx context.Context, wg *sync.WaitGro
eventContext := context.WithValue(cancelContext, key(event.Path), e)
if err := manageFileDiffing(eventContext, event.Path, syncFilePath, fw.DIFFFOLDER, true, diffChannel, wg); err != nil {
// I don't think this can be reached...
fw.WarningF("Error managing the diffing process %s", err)
fw.Warn().Msgf("Error managing the diffing process %s", err)
}
case err := <-fw.Watcher.Error:
fw.Errorf("%s\r\n", err)
fw.Err(err)
case <-fw.Watcher.Closed:
fw.Notice("radovskyb closed")
//fw.Notice("radovskyb closed")
return
}
}