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minor refactor, support for inherit handle, update access mask
Signed-off-by: Maksim An <maksiman@microsoft.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| package hcs | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/Microsoft/hcsshim/internal/computecore" | ||
| "github.com/Microsoft/hcsshim/internal/jobobject" | ||
| "github.com/Microsoft/hcsshim/internal/log" | ||
| "sync" | ||
| ) | ||
|
|
||
| type Operation struct { | ||
| handle computecore.HCSOperation | ||
|
|
||
| mutex sync.RWMutex | ||
|
|
||
| operationType computecore.HCSOperationType | ||
| operationJobs []*jobobject.JobObject | ||
| } | ||
|
|
||
| type JobResource struct { | ||
| Name string | ||
| Uri computecore.HCSResourceUri | ||
| } | ||
| type CreateOperationOptions struct { | ||
| JobResources []JobResource | ||
| } | ||
|
|
||
| func CreateOperation(ctx context.Context) (*Operation, error) { | ||
| handle, err := computecore.HcsCreateEmptyOperation(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| op := &Operation{ | ||
| handle: handle, | ||
| } | ||
|
|
||
| return op, nil | ||
| } | ||
|
|
||
| func (op *Operation) AddResource(ctx context.Context, resource JobResource) (err error) { | ||
| op.mutex.Lock() | ||
| defer op.mutex.Unlock() | ||
|
|
||
| jobOpts := jobobject.Options{ | ||
| Name: resource.Name, | ||
| InheritHandle: true, | ||
| } | ||
|
|
||
| log.G(ctx).WithField("jobName", resource.Name).Debug("opening job object") | ||
| job, err := jobobject.Open(ctx, &jobOpts) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| jobHandle := job.Handle() | ||
| defer func() { | ||
| if err != nil { | ||
| if cErr := job.Close(); cErr != nil { | ||
| log.G(ctx).WithError(cErr).Error("failed to close job object") | ||
| } | ||
| return | ||
| } | ||
| op.operationJobs = append(op.operationJobs, job) | ||
| }() | ||
|
|
||
| return computecore.AddResourceToOperation(ctx, op.handle, computecore.ResourceTypeJob, resource.Uri, jobHandle) | ||
| } | ||
|
|
||
| func (op *Operation) Close(ctx context.Context) error { | ||
| op.mutex.Lock() | ||
| defer op.mutex.Unlock() | ||
|
|
||
| for _, job := range op.operationJobs { | ||
| if err := job.Close(); err != nil { | ||
| log.G(ctx).WithError(err).Error("failed to close job object") | ||
| } | ||
| } | ||
| if err := op.handle.Close(); err != nil { | ||
| return fmt.Errorf("failed to close operation: %w", err) | ||
| } | ||
| op.handle = 0 | ||
| return nil | ||
| } | ||
|
|
||
| func (op *Operation) Handle() computecore.HCSOperation { | ||
| return op.handle | ||
| } | ||
|
|
||
| func NewMemoryResource(name string) JobResource { | ||
| return JobResource{ | ||
| Name: name, | ||
| Uri: computecore.HCSMemoryJobUri, | ||
| } | ||
| } | ||
|
|
||
| func NewCPUResource(name string) JobResource { | ||
| return JobResource{ | ||
| Name: name, | ||
| Uri: computecore.HCSWorkerJobUri, | ||
| } | ||
| } |
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