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signature: Add legacy signature v2 support transparently. (#2811)

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Add new tests as well.
This commit is contained in:
Harshavardhana
2016-09-30 14:32:13 -07:00
committed by GitHub
parent 9fb1c89f81
commit 5885ffc8ae
20 changed files with 3619 additions and 340 deletions
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21
cmd/lock-instrument.go
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@@ -17,6 +17,7 @@
package cmd
import (
"errors"
"fmt"
"time"
)
@@ -58,14 +59,6 @@ func newDebugLockInfoPerVolumePath() *debugLockInfoPerVolumePath {
}
}
// LockInfoNil - Returned if the lock info map is not initialized.
type LockInfoNil struct {
}
func (l LockInfoNil) Error() string {
return fmt.Sprintf("Debug Lock Map not initialized:\n1. Enable Lock Debugging using right ENV settings \n2. Make sure initNSLock() is called.")
}
// LockInfoOriginNotFound - While changing the state of the lock info its important that the entry for
// lock at a given origin exists, if not `LockInfoOriginNotFound` is returned.
type LockInfoOriginNotFound struct {
@@ -114,13 +107,15 @@ func (l LockInfoStateNotBlocked) Error() string {
return fmt.Sprintf("Lock state should be \"Blocked\" for <volume> %s, <path> %s, <operationID> %s.", l.volume, l.path, l.operationID)
}
var errLockNotInitialized = errors.New("Debug Lock Map not initialized:\n1. Enable Lock Debugging using right ENV settings \n2. Make sure initNSLock() is called.")
// change the state of the lock from Blocked to Running.
func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockOrigin, operationID string, readLock bool) error {
// This operation is not executed under the scope nsLockMap.mutex.Lock(), lock has to be explicitly held here.
n.lockMapMutex.Lock()
defer n.lockMapMutex.Unlock()
if n.debugLockMap == nil {
return LockInfoNil{}
return errLockNotInitialized
}
// new state info to be set for the lock.
newLockInfo := debugLockInfo{
@@ -140,7 +135,7 @@ func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockOrigin, operationI
if debugLockMap, ok := n.debugLockMap[param]; ok {
// ``*debugLockInfoPerVolumePath` entry containing lock info for `param <volume, path>` is `nil`.
if debugLockMap == nil {
return LockInfoNil{}
return errLockNotInitialized
}
} else {
// The lock state info foe given <volume, path> pair should already exist.
@@ -186,7 +181,7 @@ func (n *nsLockMap) statusBlockedToRunning(param nsParam, lockOrigin, operationI
// change the state of the lock from Ready to Blocked.
func (n *nsLockMap) statusNoneToBlocked(param nsParam, lockOrigin, operationID string, readLock bool) error {
if n.debugLockMap == nil {
return LockInfoNil{}
return errLockNotInitialized
}
newLockInfo := debugLockInfo{
@@ -230,7 +225,7 @@ func (n *nsLockMap) statusNoneToBlocked(param nsParam, lockOrigin, operationID s
// deleteLockInfoEntry - Deletes the lock state information for given <volume, path> pair. Called when nsLk.ref count is 0.
func (n *nsLockMap) deleteLockInfoEntryForVolumePath(param nsParam) error {
if n.debugLockMap == nil {
return LockInfoNil{}
return errLockNotInitialized
}
// delete the lock info for the given operation.
if _, found := n.debugLockMap[param]; found {
@@ -246,7 +241,7 @@ func (n *nsLockMap) deleteLockInfoEntryForVolumePath(param nsParam) error {
// called when the nsLk ref count for the given <volume, path> pair is not 0.
func (n *nsLockMap) deleteLockInfoEntryForOps(param nsParam, operationID string) error {
if n.debugLockMap == nil {
return LockInfoNil{}
return errLockNotInitialized
}
// delete the lock info for the given operation.
if infoMap, found := n.debugLockMap[param]; found {