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replication: rewrite error handling + simplify state machines

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* Remove explicity state machine code for all but replication.Replication
* Introduce explicit error types that satisfy interfaces which provide
  sufficient information for replication.Replication to make intelligent
  retry + queuing decisions

  * Temporary()
  * LocalToFS()

* Remove the queue and replace it with a simple array that we sort each
  time (yay no generics :( )
This commit is contained in:
Christian Schwarz
2018-10-21 13:42:27 +02:00
parent ae5e60b1ae
commit b2844569c8
12 changed files with 426 additions and 417 deletions
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4
client/status.go
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@@ -110,6 +110,7 @@ func (t *tui) addIndent(indent int) {
t.moveLine(0, 0)
}
var statusFlags struct {
Raw bool
}
@@ -514,10 +515,7 @@ func (t *tui) drawBar(length int, bytes, totalBytes int64) {
func StringStepState(s fsrep.StepState) string {
switch s {
case fsrep.StepReplicationReady: return "Ready"
case fsrep.StepReplicationRetry: return "Retry"
case fsrep.StepMarkReplicatedReady: return "MarkReady"
case fsrep.StepMarkReplicatedRetry: return "MarkRetry"
case fsrep.StepPermanentError: return "PermanentError"
case fsrep.StepCompleted: return "Completed"
default:
return fmt.Sprintf("UNKNOWN %d", s)