39 lines
998 B
Go
39 lines
998 B
Go
package libnetwork
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import "syscall"
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type networkNamespace struct {
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path string
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interfaces []*Interface
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}
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// Create a new network namespace mounted on the provided path.
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func NewNamespace(path string) (Namespace, error) {
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if err := reexec(reexecCreateNamespace, path); err != nil {
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return nil, err
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}
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return &networkNamespace{path: path}, nil
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}
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func (n *networkNamespace) AddInterface(i *Interface) error {
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// TODO Open pipe, pass fd to child and write serialized Interface on it.
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if err := reexec(reexecMoveInterface, i.SrcName, i.DstName); err != nil {
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return err
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}
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n.interfaces = append(n.interfaces, i)
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return nil
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}
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func (n *networkNamespace) Interfaces() []*Interface {
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return n.interfaces
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}
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func (n *networkNamespace) Path() string {
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return n.path
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}
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func (n *networkNamespace) Destroy() error {
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// Assuming no running process is executing in this network namespace,
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// unmounting is sufficient to destroy it.
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return syscall.Unmount(n.path, syscall.MNT_DETACH)
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}
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