| package hcsshim |
| |
| import ( |
| "fmt" |
| "syscall" |
| "unsafe" |
| |
| "github.com/Sirupsen/logrus" |
| ) |
| |
| // CreateComputeSystem creates a container |
| func CreateComputeSystem(id string, configuration string) error { |
| |
| title := "HCSShim::CreateComputeSystem" |
| logrus.Debugln(title+" id=%s, configuration=%s", id, configuration) |
| |
| // Load the DLL and get a handle to the procedure we need |
| dll, proc, err := loadAndFind(procCreateComputeSystem) |
| if dll != nil { |
| defer dll.Release() |
| } |
| if err != nil { |
| return err |
| } |
| |
| // Convert id to uint16 pointers for calling the procedure |
| idp, err := syscall.UTF16PtrFromString(id) |
| if err != nil { |
| err = fmt.Errorf(title+"- Failed conversion of id %s to pointer %s", id, err) |
| logrus.Error(err) |
| return err |
| } |
| |
| // Convert configuration to uint16 pointers for calling the procedure |
| configurationp, err := syscall.UTF16PtrFromString(configuration) |
| if err != nil { |
| err = fmt.Errorf(title+" - Failed conversion of configuration %s to pointer %s", configuration, err) |
| logrus.Error(err) |
| return err |
| } |
| |
| // Call the procedure itself. |
| r1, _, _ := proc.Call( |
| uintptr(unsafe.Pointer(idp)), uintptr(unsafe.Pointer(configurationp))) |
| |
| use(unsafe.Pointer(idp)) |
| use(unsafe.Pointer(configurationp)) |
| |
| if r1 != 0 { |
| err = fmt.Errorf(title+" - Win32 API call returned error r1=%d err=%s id=%s configuration=%s", r1, syscall.Errno(r1), id, configuration) |
| logrus.Error(err) |
| return err |
| } |
| |
| logrus.Debugf(title+"- succeeded %s", id) |
| return nil |
| } |