nvidia-container-toolkit/internal/nvsandboxutils/impl.go

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/**
# Copyright 2024 NVIDIA CORPORATION
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
**/
package nvsandboxutils
import "C"
func (l *library) Init(path string) Ret {
if err := l.load(); err != nil {
return ERROR_LIBRARY_LOAD
}
input := InitInput{
Version: 1,
Type: uint32(NV_ROOTFS_PATH),
Value: convertStringToFixedArray(path),
}
return nvSandboxUtilsInit(&input)
}
func (l *library) Shutdown() Ret {
ret := nvSandboxUtilsShutdown()
if ret != SUCCESS {
return ret
}
err := l.close()
if err != nil {
return ERROR_UNKNOWN
}
return ret
}
// TODO: Is this length specified in the header file?
const VERSION_LENGTH = 100
func (l *library) GetDriverVersion() (string, Ret) {
Version := make([]byte, VERSION_LENGTH)
ret := nvSandboxUtilsGetDriverVersion(&Version[0], VERSION_LENGTH)
return string(Version[:clen(Version)]), ret
}
func (l *library) GetFileContent(path string) (string, Ret) {
Content := make([]byte, MAX_FILE_PATH)
FilePath := []byte(path + string(byte(0)))
Size := uint32(MAX_FILE_PATH)
ret := nvSandboxUtilsGetFileContent(&FilePath[0], &Content[0], &Size)
return string(Content[:clen(Content)]), ret
}