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vbox: Support shared folders

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Shared folders are handled as filesystems and can also be hotplugged.
This commit is contained in:
Matthias Bolte 2011-06-07 13:29:34 +02:00
parent 484460ec46
commit 96f28f7f10
2 changed files with 145 additions and 0 deletions
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5
docs/drvvbox.html.in
View File

@ -70,6 +70,11 @@ vbox+ssh://user@example.com/session (remote access, SSH tunnelled)
<target dev='fda'/>
</disk>
<filesystem type='mount'>
<source dir='/home/user/stuff'/>
<target dir='my-shared-folder'/>
</filesystem>
<!--BRIDGE-->
<interface type='bridge'>
<source bridge='eth0'/>

140
src/vbox/vbox_tmpl.c
View File

@ -2267,6 +2267,7 @@ static char *vboxDomainGetXMLDesc(virDomainPtr dom, unsigned int flags) {
/* Not supported by libvirt yet */
} else if (device == DeviceType_SharedFolder) {
/* Not supported by libvirt yet */
/* Can VirtualBox really boot from a shared folder? */
}
}
@ -2771,6 +2772,67 @@ static char *vboxDomainGetXMLDesc(virDomainPtr dom, unsigned int flags) {
#endif /* VBOX_API_VERSION >= 3001 */
/* shared folders */
vboxArray sharedFolders = VBOX_ARRAY_INITIALIZER;
def->nfss = 0;
vboxArrayGet(&sharedFolders, machine,
machine->vtbl->GetSharedFolders);
if (sharedFolders.count > 0) {
if (VIR_ALLOC_N(def->fss, sharedFolders.count) < 0) {
virReportOOMError();
goto sharedFoldersCleanup;
}
for (i = 0; i < sharedFolders.count; i++) {
ISharedFolder *sharedFolder = sharedFolders.items[i];
PRUnichar *nameUtf16 = NULL;
char *name = NULL;
PRUnichar *hostPathUtf16 = NULL;
char *hostPath = NULL;
PRBool writable = PR_FALSE;
if (VIR_ALLOC(def->fss[i]) < 0) {
virReportOOMError();
goto sharedFoldersCleanup;
}
def->fss[i]->type = VIR_DOMAIN_FS_TYPE_MOUNT;
sharedFolder->vtbl->GetHostPath(sharedFolder, &hostPathUtf16);
VBOX_UTF16_TO_UTF8(hostPathUtf16, &hostPath);
def->fss[i]->src = strdup(hostPath);
VBOX_UTF8_FREE(hostPath);
VBOX_UTF16_FREE(hostPathUtf16);
if (def->fss[i]->src == NULL) {
virReportOOMError();
goto sharedFoldersCleanup;
}
sharedFolder->vtbl->GetName(sharedFolder, &nameUtf16);
VBOX_UTF16_TO_UTF8(nameUtf16, &name);
def->fss[i]->dst = strdup(name);
VBOX_UTF8_FREE(name);
VBOX_UTF16_FREE(nameUtf16);
if (def->fss[i]->dst == NULL) {
virReportOOMError();
goto sharedFoldersCleanup;
}
sharedFolder->vtbl->GetWritable(sharedFolder, &writable);
def->fss[i]->readonly = !writable;
++def->nfss;
}
}
sharedFoldersCleanup:
vboxArrayRelease(&sharedFolders);
/* dump network cards if present */
def->nnets = 0;
/* Get which network cards are enabled */
@ -4811,6 +4873,38 @@ vboxAttachUSB(virDomainDefPtr def, vboxGlobalData *data, IMachine *machine)
}
}
static void
vboxAttachSharedFolder(virDomainDefPtr def, vboxGlobalData *data, IMachine *machine)
{
int i;
PRUnichar *nameUtf16;
PRUnichar *hostPathUtf16;
PRBool writable;
if (def->nfss == 0)
return;
for (i = 0; i < def->nfss; i++) {
if (def->fss[i]->type != VIR_DOMAIN_FS_TYPE_MOUNT)
continue;
VBOX_UTF8_TO_UTF16(def->fss[i]->dst, &nameUtf16);
VBOX_UTF8_TO_UTF16(def->fss[i]->src, &hostPathUtf16);
writable = !def->fss[i]->readonly;
#if VBOX_API_VERSION < 4000
machine->vtbl->CreateSharedFolder(machine, nameUtf16, hostPathUtf16,
writable);
#else /* VBOX_API_VERSION >= 4000 */
machine->vtbl->CreateSharedFolder(machine, nameUtf16, hostPathUtf16,
writable, PR_FALSE);
#endif /* VBOX_API_VERSION >= 4000 */
VBOX_UTF16_FREE(nameUtf16);
VBOX_UTF16_FREE(hostPathUtf16);
}
}
static virDomainPtr vboxDomainDefineXML(virConnectPtr conn, const char *xml) {
VBOX_OBJECT_CHECK(conn, virDomainPtr, NULL);
IMachine *machine = NULL;
@ -4949,6 +5043,7 @@ static virDomainPtr vboxDomainDefineXML(virConnectPtr conn, const char *xml) {
vboxAttachVideo(def, machine);
vboxAttachDisplay(def, data, machine);
vboxAttachUSB(def, data, machine);
vboxAttachSharedFolder(def, data, machine);
/* Save the machine settings made till now and close the
* session. also free up the mchiid variable used.
@ -5303,6 +5398,34 @@ static int vboxDomainAttachDeviceImpl(virDomainPtr dom,
if (dev->data.hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
}
}
} else if (dev->type == VIR_DOMAIN_DEVICE_FS &&
dev->data.fs->type == VIR_DOMAIN_FS_TYPE_MOUNT) {
PRUnichar *nameUtf16;
PRUnichar *hostPathUtf16;
PRBool writable;
VBOX_UTF8_TO_UTF16(dev->data.fs->dst, &nameUtf16);
VBOX_UTF8_TO_UTF16(dev->data.fs->src, &hostPathUtf16);
writable = !dev->data.fs->readonly;
#if VBOX_API_VERSION < 4000
rc = machine->vtbl->CreateSharedFolder(machine, nameUtf16, hostPathUtf16,
writable);
#else /* VBOX_API_VERSION >= 4000 */
rc = machine->vtbl->CreateSharedFolder(machine, nameUtf16, hostPathUtf16,
writable, PR_FALSE);
#endif /* VBOX_API_VERSION >= 4000 */
if (NS_FAILED(rc)) {
vboxError(VIR_ERR_INTERNAL_ERROR,
_("could not attach shared folder '%s', rc=%08x"),
dev->data.fs->dst, (unsigned)rc);
} else {
ret = 0;
}
VBOX_UTF16_FREE(nameUtf16);
VBOX_UTF16_FREE(hostPathUtf16);
}
machine->vtbl->SaveSettings(machine);
VBOX_RELEASE(machine);
@ -5461,6 +5584,23 @@ static int vboxDomainDetachDevice(virDomainPtr dom, const char *xml) {
if (dev->data.hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
}
}
} else if (dev->type == VIR_DOMAIN_DEVICE_FS &&
dev->data.fs->type == VIR_DOMAIN_FS_TYPE_MOUNT) {
PRUnichar *nameUtf16;
VBOX_UTF8_TO_UTF16(dev->data.fs->dst, &nameUtf16);
rc = machine->vtbl->RemoveSharedFolder(machine, nameUtf16);
if (NS_FAILED(rc)) {
vboxError(VIR_ERR_INTERNAL_ERROR,
_("could not detach shared folder '%s', rc=%08x"),
dev->data.fs->dst, (unsigned)rc);
} else {
ret = 0;
}
VBOX_UTF16_FREE(nameUtf16);
}
machine->vtbl->SaveSettings(machine);
VBOX_RELEASE(machine);