[#121] pool: Make PrmContainerDelete fields public

* Refactor client PrmContainerDelete usage
* Introduce WaitParams CheckValidity method

Signed-off-by: Airat Arifullin a.arifullin@yadro.com

pool/pool.go

@@ -487,10 +487,9 @@ func (c *clientWrapper) containerDelete(ctx context.Context, prm PrmContainerDel
 		return err
 	}
 
-	var cliPrm sdkClient.PrmContainerDelete
-	cliPrm.SetContainer(prm.cnrID)
-	if prm.stokenSet {
-		cliPrm.WithinSession(prm.stoken)
+	cliPrm := sdkClient.PrmContainerDelete{
+		ContainerID: &prm.ContainerID,
+		Session:     prm.Session,
 	}
 
 	start := time.Now()
@@ -504,11 +503,14 @@ func (c *clientWrapper) containerDelete(ctx context.Context, prm PrmContainerDel
 		return fmt.Errorf("container delete on client: %w", err)
 	}
 
-	if !prm.waitParamsSet {
-		prm.waitParams.setDefaults()
+	if prm.WaitParams == nil {
+		prm.WaitParams = defaultWaitParams()
+	}
+	if err := prm.WaitParams.CheckValidity(); err != nil {
+		return fmt.Errorf("invalid wait parameters: %w", err)
 	}
 
-	return waitForContainerRemoved(ctx, c, &prm.cnrID, &prm.waitParams)
+	return waitForContainerRemoved(ctx, c, &prm.ContainerID, prm.WaitParams)
 }
 
 // containerEACL invokes sdkClient.ContainerEACL parse response status to error and return result as is.
@@ -1236,6 +1238,17 @@ func (x *WaitParams) checkForPositive() {
 	}
 }
 
+// CheckForValid checks if all wait params are non-negative.
+func (waitPrm *WaitParams) CheckValidity() error {
+	if waitPrm.timeout <= 0 {
+		return errors.New("timeout cannot be negative")
+	}
+	if waitPrm.pollInterval <= 0 {
+		return errors.New("poll interval cannot be negative")
+	}
+	return nil
+}
+
 type prmContext struct {
 	defaultSession bool
 	verb           session.ObjectVerb
@@ -1467,33 +1480,35 @@ func (x *PrmContainerList) SetOwnerID(ownerID user.ID) {
 
 // PrmContainerDelete groups parameters of DeleteContainer operation.
 type PrmContainerDelete struct {
-	cnrID cid.ID
+	ContainerID cid.ID
 
-	stoken    session.Container
-	stokenSet bool
+	Session *session.Container
 
-	waitParams    WaitParams
-	waitParamsSet bool
+	WaitParams *WaitParams
 }
 
 // SetContainerID specifies identifier of the FrostFS container to be removed.
+//
+// Deprecated: Use PrmContainerDelete.ContainerID instead.
 func (x *PrmContainerDelete) SetContainerID(cnrID cid.ID) {
-	x.cnrID = cnrID
+	x.ContainerID = cnrID
 }
 
 // SetSessionToken specifies session within which operation should be performed.
+//
+// Deprecated: Use PrmContainerDelete.Session instead.
 func (x *PrmContainerDelete) SetSessionToken(token session.Container) {
-	x.stoken = token
-	x.stokenSet = true
+	x.Session = &token
 }
 
 // SetWaitParams specifies timeout params to complete operation.
 // If not provided the default one will be used.
 // Panics if any of the wait params isn't positive.
+//
+// Deprecated: Use PrmContainerDelete.WaitParams instead.
 func (x *PrmContainerDelete) SetWaitParams(waitParams WaitParams) {
 	waitParams.checkForPositive()
-	x.waitParams = waitParams
-	x.waitParamsSet = true
+	x.WaitParams = &waitParams
 }
 
 // PrmContainerEACL groups parameters of GetEACL operation.