tests: Move testPrepareHostBackendChardevOne into test utils

Move the function doing the fake setup of chardev backend for FD passing
into the collection of qemu test helpers so that it can be used in
qemumonitorjsontest.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2022-02-09 12:30:25 +01:00
parent 9eed144c50
commit 39bf220221
3 changed files with 114 additions and 94 deletions

View File

@ -378,98 +378,6 @@ testCheckExclusiveFlags(int flags)
}
static int
testPrepareHostBackendChardevOne(virDomainDeviceDef *dev,
virDomainChrSourceDef *chardev,
void *opaque)
{
virDomainObj *vm = opaque;
qemuDomainObjPrivate *priv = vm->privateData;
qemuDomainChrSourcePrivate *charpriv = QEMU_DOMAIN_CHR_SOURCE_PRIVATE(chardev);
int fakesourcefd = -1;
const char *devalias = NULL;
bool usefdset = true;
if (dev) {
virDomainDeviceInfo *info = virDomainDeviceGetInfo(dev);
devalias = info->alias;
/* vhost-user disk doesn't use FD passing */
if (dev->type == VIR_DOMAIN_DEVICE_DISK)
return 0;
if (dev->type == VIR_DOMAIN_DEVICE_NET) {
/* due to a historical bug in qemu we don't use FD passtrhough for
* vhost-sockets for network devices */
return 0;
}
/* TPMs FD passing setup is special and handled separately */
if (dev->type == VIR_DOMAIN_DEVICE_TPM)
return 0;
} else {
devalias = "monitor";
}
switch ((virDomainChrType) chardev->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_PIPE:
case VIR_DOMAIN_CHR_TYPE_STDIO:
case VIR_DOMAIN_CHR_TYPE_UDP:
case VIR_DOMAIN_CHR_TYPE_TCP:
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
break;
case VIR_DOMAIN_CHR_TYPE_FILE:
fakesourcefd = 1750;
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
if (chardev->data.nix.listen &&
virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_CHARDEV_FD_PASS_COMMANDLINE))
fakesourcefd = 1729;
usefdset = false;
break;
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_LAST:
break;
}
if (fakesourcefd != -1) {
if (fcntl(fakesourcefd, F_GETFD) != -1)
abort();
if (usefdset)
charpriv->sourcefd = qemuFDPassNew(devalias, priv);
else
charpriv->sourcefd = qemuFDPassNewDirect(devalias, priv);
if (qemuFDPassAddFD(charpriv->sourcefd, &fakesourcefd, "-source") < 0)
return -1;
}
if (chardev->logfile) {
int fd = 1751;
if (fcntl(fd, F_GETFD) != -1)
abort();
charpriv->logfd = qemuFDPassNew(devalias, priv);
if (qemuFDPassAddFD(charpriv->logfd, &fd, "-log") < 0)
return -1;
}
return 0;
}
static virCommand *
testCompareXMLToArgvCreateArgs(virQEMUDriver *drv,
virDomainObj *vm,
@ -486,11 +394,11 @@ testCompareXMLToArgvCreateArgs(virQEMUDriver *drv,
return NULL;
if (qemuDomainDeviceBackendChardevForeach(vm->def,
testPrepareHostBackendChardevOne,
testQemuPrepareHostBackendChardevOne,
vm) < 0)
return NULL;
if (testPrepareHostBackendChardevOne(NULL, priv->monConfig, vm) < 0)
if (testQemuPrepareHostBackendChardevOne(NULL, priv->monConfig, vm) < 0)
return NULL;
for (i = 0; i < vm->def->ndisks; i++) {

View File

@ -13,6 +13,9 @@
# include "virstring.h"
# include "virfilecache.h"
# include <sys/types.h>
# include <fcntl.h>
# define VIR_FROM_THIS VIR_FROM_QEMU
virCPUDef *cpuDefault;
@ -979,3 +982,109 @@ testQemuInfoClear(struct testQemuInfo *info)
virObjectUnref(info->qemuCaps);
g_clear_pointer(&info->args.fakeCaps, virObjectUnref);
}
/**
* testQemuPrepareHostBackendChardevOne:
* @dev: device definition object
* @chardev: chardev source object
* @opaque: Caller is expected to pass pointer to virDomainObj or NULL
*
* This helper sets up a chardev source backend for FD passing with fake
* file descriptros. It's expected to be used as callback for
* 'qemuDomainDeviceBackendChardevForeach', thus the VM object is passed via
* @opaque. Callers may pass NULL if the test scope is limited.
*/
int
testQemuPrepareHostBackendChardevOne(virDomainDeviceDef *dev,
virDomainChrSourceDef *chardev,
void *opaque)
{
virDomainObj *vm = opaque;
qemuDomainObjPrivate *priv = NULL;
qemuDomainChrSourcePrivate *charpriv = QEMU_DOMAIN_CHR_SOURCE_PRIVATE(chardev);
int fakesourcefd = -1;
const char *devalias = NULL;
bool usefdset = true;
if (vm)
priv = vm->privateData;
if (dev) {
virDomainDeviceInfo *info = virDomainDeviceGetInfo(dev);
devalias = info->alias;
/* vhost-user disk doesn't use FD passing */
if (dev->type == VIR_DOMAIN_DEVICE_DISK)
return 0;
if (dev->type == VIR_DOMAIN_DEVICE_NET) {
/* due to a historical bug in qemu we don't use FD passtrhough for
* vhost-sockets for network devices */
return 0;
}
/* TPMs FD passing setup is special and handled separately */
if (dev->type == VIR_DOMAIN_DEVICE_TPM)
return 0;
} else {
devalias = "monitor";
}
switch ((virDomainChrType) chardev->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_PIPE:
case VIR_DOMAIN_CHR_TYPE_STDIO:
case VIR_DOMAIN_CHR_TYPE_UDP:
case VIR_DOMAIN_CHR_TYPE_TCP:
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
break;
case VIR_DOMAIN_CHR_TYPE_FILE:
fakesourcefd = 1750;
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
if (chardev->data.nix.listen &&
virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_CHARDEV_FD_PASS_COMMANDLINE))
fakesourcefd = 1729;
usefdset = false;
break;
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_LAST:
break;
}
if (fakesourcefd != -1) {
if (fcntl(fakesourcefd, F_GETFD) != -1)
abort();
if (usefdset)
charpriv->sourcefd = qemuFDPassNew(devalias, priv);
else
charpriv->sourcefd = qemuFDPassNewDirect(devalias, priv);
if (qemuFDPassAddFD(charpriv->sourcefd, &fakesourcefd, "-source") < 0)
return -1;
}
if (chardev->logfile) {
int fd = 1751;
if (fcntl(fd, F_GETFD) != -1)
abort();
charpriv->logfd = qemuFDPassNew(devalias, priv);
if (qemuFDPassAddFD(charpriv->logfd, &fd, "-log") < 0)
return -1;
}
return 0;
}

View File

@ -143,4 +143,7 @@ void testQemuInfoSetArgs(struct testQemuInfo *info,
int testQemuInfoInitArgs(struct testQemuInfo *info);
void testQemuInfoClear(struct testQemuInfo *info);
int testQemuPrepareHostBackendChardevOne(virDomainDeviceDef *dev,
virDomainChrSourceDef *chardev,
void *opaque);
#endif