src: Add DMA localagent

[barometer.git] / src / dma / vendor / github.com / libvirt / libvirt-go / lxc.go

diff --git a/src/dma/vendor/github.com/libvirt/libvirt-go/lxc.go b/src/dma/vendor/github.com/libvirt/libvirt-go/lxc.go
new file mode 100644 (file)
index 0000000..1578cab
--- /dev/null
+++ b/src/dma/vendor/github.com/libvirt/libvirt-go/lxc.go
@@ -0,0 +1,155 @@
+// +build !without_lxc
+
+/*
+ * This file is part of the libvirt-go project
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * Copyright (c) 2013 Alex Zorin
+ * Copyright (C) 2016 Red Hat, Inc.
+ *
+ */
+
+package libvirt
+
+/*
+#cgo pkg-config: libvirt
+// Can't rely on pkg-config for libvirt-lxc since it was not
+// installed until 2.6.0 onwards
+#cgo LDFLAGS: -lvirt-lxc
+#include <stdlib.h>
+#include <string.h>
+#include "lxc_wrapper.h"
+*/
+import "C"
+
+import (
+       "os"
+       "unsafe"
+)
+
+func (d *Domain) LxcOpenNamespace(flags uint32) ([]os.File, error) {
+       var cfdlist *C.int
+
+       var err C.virError
+       ret := C.virDomainLxcOpenNamespaceWrapper(d.ptr, &cfdlist, C.uint(flags), &err)
+       if ret == -1 {
+               return []os.File{}, makeError(&err)
+       }
+       fdlist := make([]os.File, ret)
+       for i := 0; i < int(ret); i++ {
+               var cfd C.int
+               cfd = *(*C.int)(unsafe.Pointer(uintptr(unsafe.Pointer(cfdlist)) + (unsafe.Sizeof(cfd) * uintptr(i))))
+               fdlist[i] = *os.NewFile(uintptr(cfd), "namespace")
+       }
+       defer C.free(unsafe.Pointer(cfdlist))
+       return fdlist, nil
+}
+
+func (d *Domain) LxcEnterNamespace(fdlist []os.File, flags uint32) ([]os.File, error) {
+       var coldfdlist *C.int
+       var ncoldfdlist C.uint
+       cfdlist := make([]C.int, len(fdlist))
+       for i := 0; i < len(fdlist); i++ {
+               cfdlist[i] = C.int(fdlist[i].Fd())
+       }
+
+       var err C.virError
+       ret := C.virDomainLxcEnterNamespaceWrapper(d.ptr, C.uint(len(fdlist)), &cfdlist[0], &ncoldfdlist, &coldfdlist, C.uint(flags), &err)
+       if ret == -1 {
+               return []os.File{}, makeError(&err)
+       }
+       oldfdlist := make([]os.File, ncoldfdlist)
+       for i := 0; i < int(ncoldfdlist); i++ {
+               var cfd C.int
+               cfd = *(*C.int)(unsafe.Pointer(uintptr(unsafe.Pointer(coldfdlist)) + (unsafe.Sizeof(cfd) * uintptr(i))))
+               oldfdlist[i] = *os.NewFile(uintptr(cfd), "namespace")
+       }
+       defer C.free(unsafe.Pointer(coldfdlist))
+       return oldfdlist, nil
+}
+
+func DomainLxcEnterSecurityLabel(model *NodeSecurityModel, label *SecurityLabel, flags uint32) (*SecurityLabel, error) {
+       var cmodel C.virSecurityModel
+       var clabel C.virSecurityLabel
+       var coldlabel C.virSecurityLabel
+
+       cmodelstrlen := len(model.Model)
+       if cmodelstrlen > (C.VIR_SECURITY_MODEL_BUFLEN - 1) {
+               cmodelstrlen = C.VIR_SECURITY_MODEL_BUFLEN - 1
+       }
+       cmodelstr := C.CString(model.Model)
+       defer C.free(unsafe.Pointer(cmodelstr))
+
+       cdoistrlen := len(model.Doi)
+       if cdoistrlen >= (C.VIR_SECURITY_DOI_BUFLEN - 1) {
+               cdoistrlen = C.VIR_SECURITY_DOI_BUFLEN - 1
+       }
+       cdoistr := C.CString(model.Doi)
+       defer C.free(unsafe.Pointer(cdoistr))
+
+       C.memcpy(unsafe.Pointer(&cmodel.model), unsafe.Pointer(cmodelstr), C.size_t(cmodelstrlen))
+       C.memcpy(unsafe.Pointer(&cmodel.doi), unsafe.Pointer(cdoistr), C.size_t(cdoistrlen))
+
+       clabelstrlen := len(label.Label)
+       if clabelstrlen > (C.VIR_SECURITY_LABEL_BUFLEN - 1) {
+               clabelstrlen = C.VIR_SECURITY_LABEL_BUFLEN - 1
+       }
+       clabelstr := C.CString(label.Label)
+       defer C.free(unsafe.Pointer(clabelstr))
+
+       C.memcpy(unsafe.Pointer(&clabel.label), unsafe.Pointer(clabelstr), C.size_t(clabelstrlen))
+       if label.Enforcing {
+               clabel.enforcing = 1
+       } else {
+               clabel.enforcing = 0
+       }
+
+       var err C.virError
+       ret := C.virDomainLxcEnterSecurityLabelWrapper(&cmodel, &clabel, &coldlabel, C.uint(flags), &err)
+       if ret == -1 {
+               return nil, makeError(&err)
+       }
+
+       var oldlabel SecurityLabel
+
+       oldlabel.Label = C.GoString((*C.char)(unsafe.Pointer(&coldlabel.label)))
+       if coldlabel.enforcing != 0 {
+               oldlabel.Enforcing = true
+       } else {
+               oldlabel.Enforcing = false
+       }
+
+       return &oldlabel, nil
+}
+
+func (d *Domain) DomainLxcEnterCGroup(flags uint32) error {
+       if C.LIBVIR_VERSION_NUMBER < 2000000 {
+               return makeNotImplementedError("virDomainLxcEnterCGroup")
+       }
+
+       var err C.virError
+       ret := C.virDomainLxcEnterCGroupWrapper(d.ptr, C.uint(flags), &err)
+
+       if ret == -1 {
+               return makeError(&err)
+       }
+
+       return nil
+}