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qemuBuildHostNetProps: Refactor construction of tapfd/vhostfd arguments

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Pre-construct the array the same way for the case when there's only one
FD and when there are multiple. We just change the argument name
depending on the count.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2022-05-09 16:19:49 +02:00
parent 55485c56a4
commit 29067596f2
1 changed files with 38 additions and 42 deletions
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80
src/qemu/qemu_command.c
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@ -4236,54 +4236,50 @@ qemuBuildHostNetProps(virDomainNetDef *net,
case VIR_DOMAIN_NET_TYPE_BRIDGE:
case VIR_DOMAIN_NET_TYPE_NETWORK:
case VIR_DOMAIN_NET_TYPE_DIRECT:
case VIR_DOMAIN_NET_TYPE_ETHERNET:
if (virJSONValueObjectAdd(&netprops, "s:type", "tap", NULL) < 0)
case VIR_DOMAIN_NET_TYPE_ETHERNET: {
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
/* for one tapfd/vhostfd 'fd=' shall be used, for more use 'fds=' */
const char *tapfd_field = "s:fd";
g_autofree char *tapfd_arg = NULL;
const char *vhostfd_field = "S:vhostfd";
g_autofree char *vhostfd_arg = NULL;
bool vhost = false;
for (i = 0; i < tapfdSize; i++)
virBufferAsprintf(&buf, "%s:", tapfd[i]);
if (tapfdSize > 1)
tapfd_field = "s:fds";
virBufferTrim(&buf, ":");
tapfd_arg = virBufferContentAndReset(&buf);
if (vhostfdSize > 0) {
vhost = true;
for (i = 0; i < vhostfdSize; i++)
virBufferAsprintf(&buf, "%s:", vhostfd[i]);
if (vhostfdSize > 1)
vhostfd_field = "s:vhostfds";
}
virBufferTrim(&buf, ":");
vhostfd_arg = virBufferContentAndReset(&buf);
if (virJSONValueObjectAdd(&netprops,
"s:type", "tap",
tapfd_field, tapfd_arg,
"B:vhost", vhost,
vhostfd_field, vhostfd_arg,
NULL) < 0)
return NULL;
/* for one tapfd 'fd=' shall be used,
* for more than one 'fds=' is the right choice */
if (tapfdSize == 1) {
if (virJSONValueObjectAdd(&netprops, "s:fd", tapfd[0], NULL) < 0)
return NULL;
} else {
g_auto(virBuffer) fdsbuf = VIR_BUFFER_INITIALIZER;
for (i = 0; i < tapfdSize; i++)
virBufferAsprintf(&fdsbuf, "%s:", tapfd[i]);
virBufferTrim(&fdsbuf, ":");
if (virJSONValueObjectAdd(&netprops,
"s:fds", virBufferCurrentContent(&fdsbuf),
NULL) < 0)
return NULL;
}
if (vhostfdSize) {
if (virJSONValueObjectAppendBoolean(netprops, "vhost", true) < 0)
return NULL;
if (vhostfdSize == 1) {
if (virJSONValueObjectAdd(&netprops, "s:vhostfd", vhostfd[0], NULL) < 0)
return NULL;
} else {
g_auto(virBuffer) fdsbuf = VIR_BUFFER_INITIALIZER;
for (i = 0; i < vhostfdSize; i++)
virBufferAsprintf(&fdsbuf, "%s:", vhostfd[i]);
virBufferTrim(&fdsbuf, ":");
if (virJSONValueObjectAdd(&netprops,
"s:vhostfds", virBufferCurrentContent(&fdsbuf),
NULL) < 0)
return NULL;
}
}
if (net->tune.sndbuf_specified &&
virJSONValueObjectAppendNumberUlong(netprops, "sndbuf", net->tune.sndbuf) < 0)
return NULL;
}
break;
case VIR_DOMAIN_NET_TYPE_CLIENT: