acl_bindings.go
2.7 KB
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package sarama
//Resource holds information about acl resource type
type Resource struct {
ResourceType AclResourceType
ResourceName string
ResourcePatternType AclResourcePatternType
}
func (r *Resource) encode(pe packetEncoder, version int16) error {
pe.putInt8(int8(r.ResourceType))
if err := pe.putString(r.ResourceName); err != nil {
return err
}
if version == 1 {
if r.ResourcePatternType == AclPatternUnknown {
Logger.Print("Cannot encode an unknown resource pattern type, using Literal instead")
r.ResourcePatternType = AclPatternLiteral
}
pe.putInt8(int8(r.ResourcePatternType))
}
return nil
}
func (r *Resource) decode(pd packetDecoder, version int16) (err error) {
resourceType, err := pd.getInt8()
if err != nil {
return err
}
r.ResourceType = AclResourceType(resourceType)
if r.ResourceName, err = pd.getString(); err != nil {
return err
}
if version == 1 {
pattern, err := pd.getInt8()
if err != nil {
return err
}
r.ResourcePatternType = AclResourcePatternType(pattern)
}
return nil
}
//Acl holds information about acl type
type Acl struct {
Principal string
Host string
Operation AclOperation
PermissionType AclPermissionType
}
func (a *Acl) encode(pe packetEncoder) error {
if err := pe.putString(a.Principal); err != nil {
return err
}
if err := pe.putString(a.Host); err != nil {
return err
}
pe.putInt8(int8(a.Operation))
pe.putInt8(int8(a.PermissionType))
return nil
}
func (a *Acl) decode(pd packetDecoder, version int16) (err error) {
if a.Principal, err = pd.getString(); err != nil {
return err
}
if a.Host, err = pd.getString(); err != nil {
return err
}
operation, err := pd.getInt8()
if err != nil {
return err
}
a.Operation = AclOperation(operation)
permissionType, err := pd.getInt8()
if err != nil {
return err
}
a.PermissionType = AclPermissionType(permissionType)
return nil
}
//ResourceAcls is an acl resource type
type ResourceAcls struct {
Resource
Acls []*Acl
}
func (r *ResourceAcls) encode(pe packetEncoder, version int16) error {
if err := r.Resource.encode(pe, version); err != nil {
return err
}
if err := pe.putArrayLength(len(r.Acls)); err != nil {
return err
}
for _, acl := range r.Acls {
if err := acl.encode(pe); err != nil {
return err
}
}
return nil
}
func (r *ResourceAcls) decode(pd packetDecoder, version int16) error {
if err := r.Resource.decode(pd, version); err != nil {
return err
}
n, err := pd.getArrayLength()
if err != nil {
return err
}
r.Acls = make([]*Acl, n)
for i := 0; i < n; i++ {
r.Acls[i] = new(Acl)
if err := r.Acls[i].decode(pd, version); err != nil {
return err
}
}
return nil
}