libvirt/tests/qemuxml2argvmock.c
Ján Tomko 3cbd4351de Use g_strdup where VIR_STRDUP's return value was propagated
All the callers of these functions only check for a negative
return value.

However, virNetDevOpenvswitchGetVhostuserIfname is documented
as returning 1 for openvswitch interfaces so preserve that.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
2019-10-21 12:51:55 +02:00

287 lines
6.3 KiB
C

/*
* Copyright (C) 2014-2016 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "internal.h"
#include "viralloc.h"
#include "vircommand.h"
#include "vircrypto.h"
#include "virmock.h"
#include "virnetdev.h"
#include "virnetdevip.h"
#include "virnetdevtap.h"
#include "virnetdevopenvswitch.h"
#include "virnuma.h"
#include "virrandom.h"
#include "virscsi.h"
#include "virscsivhost.h"
#include "virstring.h"
#include "virtpm.h"
#include "virutil.h"
#include "qemu/qemu_interface.h"
#include "qemu/qemu_command.h"
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#define VIR_FROM_THIS VIR_FROM_NONE
long virGetSystemPageSize(void)
{
return 4096;
}
time_t time(time_t *t)
{
const time_t ret = 1234567890;
if (t)
*t = ret;
return ret;
}
bool
virNumaIsAvailable(void)
{
return true;
}
int
virNumaGetMaxNode(void)
{
return 7;
}
/* We shouldn't need to mock virNumaNodeIsAvailable() and *definitely* not
* virNumaNodesetIsAvailable(), but it seems to be the only way to get
* mocking to work with Clang on FreeBSD, so keep these duplicates around
* until we figure out a cleaner solution */
bool
virNumaNodeIsAvailable(int node)
{
return node >= 0 && node <= virNumaGetMaxNode();
}
bool
virNumaNodesetIsAvailable(virBitmapPtr nodeset)
{
ssize_t bit = -1;
if (!nodeset)
return true;
while ((bit = virBitmapNextSetBit(nodeset, bit)) >= 0) {
if (virNumaNodeIsAvailable(bit))
continue;
return false;
}
return true;
}
char *
virTPMCreateCancelPath(const char *devpath)
{
char *path;
(void)devpath;
path = g_strdup("/sys/class/misc/tpm0/device/cancel");
return path;
}
/**
* Large values for memory would fail on 32 bit systems, despite having
* variables that support it.
*/
unsigned long long
virMemoryMaxValue(bool capped G_GNUC_UNUSED)
{
return LLONG_MAX;
}
char *
virSCSIDeviceGetSgName(const char *sysfs_prefix G_GNUC_UNUSED,
const char *adapter G_GNUC_UNUSED,
unsigned int bus G_GNUC_UNUSED,
unsigned int target G_GNUC_UNUSED,
unsigned long long unit G_GNUC_UNUSED)
{
char *ret;
ret = g_strdup("sg0");
return ret;
}
int
virSCSIVHostOpenVhostSCSI(int *vhostfd)
{
*vhostfd = STDERR_FILENO + 1;
return 0;
}
int
virNetDevTapCreate(char **ifname,
const char *tunpath G_GNUC_UNUSED,
int *tapfd,
size_t tapfdSize,
unsigned int flags G_GNUC_UNUSED)
{
size_t i;
for (i = 0; i < tapfdSize; i++)
tapfd[i] = STDERR_FILENO + 1 + i;
if (STREQ_NULLABLE(*ifname, "mytap0")) {
return 0;
} else {
VIR_FREE(*ifname);
*ifname = g_strdup("vnet0");
return 0;
}
}
int
virNetDevSetMAC(const char *ifname G_GNUC_UNUSED,
const virMacAddr *macaddr G_GNUC_UNUSED)
{
return 0;
}
int
virNetDevExists(const char *ifname)
{
return STREQ_NULLABLE(ifname, "mytap0");
}
int virNetDevIPAddrAdd(const char *ifname G_GNUC_UNUSED,
virSocketAddr *addr G_GNUC_UNUSED,
virSocketAddr *peer G_GNUC_UNUSED,
unsigned int prefix G_GNUC_UNUSED)
{
return 0;
}
int
virNetDevSetOnline(const char *ifname G_GNUC_UNUSED,
bool online G_GNUC_UNUSED)
{
return 0;
}
int
virNetDevRunEthernetScript(const char *ifname G_GNUC_UNUSED,
const char *script G_GNUC_UNUSED)
{
return 0;
}
char *
virHostGetDRMRenderNode(void)
{
char *dst = NULL;
dst = g_strdup("/dev/dri/foo");
return dst;
}
static void (*real_virCommandPassFD)(virCommandPtr cmd, int fd, unsigned int flags);
static const int testCommandPassSafeFDs[] = { 1730, 1731 };
void
virCommandPassFD(virCommandPtr cmd,
int fd,
unsigned int flags)
{
size_t i;
for (i = 0; i < G_N_ELEMENTS(testCommandPassSafeFDs); i++) {
if (testCommandPassSafeFDs[i] == fd) {
if (!real_virCommandPassFD)
VIR_MOCK_REAL_INIT(virCommandPassFD);
real_virCommandPassFD(cmd, fd, flags);
return;
}
}
}
int
virNetDevOpenvswitchGetVhostuserIfname(const char *path G_GNUC_UNUSED,
char **ifname)
{
*ifname = g_strdup("vhost-user0");
return 1;
}
int
qemuInterfaceOpenVhostNet(virDomainDefPtr def G_GNUC_UNUSED,
virDomainNetDefPtr net,
int *vhostfd,
size_t *vhostfdSize)
{
size_t i;
if (!virDomainNetIsVirtioModel(net)) {
*vhostfdSize = 0;
return 0;
}
for (i = 0; i < *vhostfdSize; i++)
vhostfd[i] = STDERR_FILENO + 42 + i;
return 0;
}
int
qemuOpenChrChardevUNIXSocket(const virDomainChrSourceDef *dev G_GNUC_UNUSED)
{
/* We need to return an FD number for a UNIX listener socket,
* which will be given to QEMU via a CLI arg. We need a fixed
* number to get stable tests. This is obviously not a real
* FD number, so when virCommand closes the FD in the parent
* it will get EINVAL, but that's (hopefully) not going to
* be a problem....
*/
if (fcntl(1729, F_GETFD) != -1)
abort();
return 1729;
}
int
qemuBuildTPMOpenBackendFDs(const char *tpmdev G_GNUC_UNUSED,
const char *cancel_path G_GNUC_UNUSED,
int *tpmfd,
int *cancelfd)
{
if (fcntl(1730, F_GETFD) != -1 ||
fcntl(1731, F_GETFD) != -1)
abort();
*tpmfd = 1730;
*cancelfd = 1731;
return 0;
}