[PATCH 10/12] conf: Convert virDomainNetDefParseXML() to virXMLProp*()
Michal Privoznik
mprivozn at redhat.com
Fri Jan 21 13:28:17 UTC 2022
After previous cleanups, the virDomainNetDefParseXML() function
uses a mixture of virXMLProp*() and the old virXMLPropString() +
virXXXTypeFromString() patterns. Rework it so that virXMLProp*()
is used.
Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
src/conf/domain_conf.c | 112 ++++++------------
src/conf/domain_conf.h | 4 +-
.../qemuxml2argvdata/vhost_queues-invalid.err | 2 +-
3 files changed, 38 insertions(+), 80 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index f4b05b1c21..a25beaee3e 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -10225,7 +10225,6 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
virDomainChrSourceReconnectDef reconnect = {0};
int rv, val;
g_autofree char *macaddr = NULL;
- g_autofree char *macaddr_type = NULL;
g_autofree char *network = NULL;
g_autofree char *portgroup = NULL;
g_autofree char *portid = NULL;
@@ -10242,11 +10241,6 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
g_autofree char *localaddr = NULL;
g_autofree char *localport = NULL;
g_autofree char *model = NULL;
- g_autofree char *backend = NULL;
- g_autofree char *txmode = NULL;
- g_autofree char *queues = NULL;
- g_autofree char *rx_queue_size = NULL;
- g_autofree char *tx_queue_size = NULL;
g_autofree char *filter = NULL;
g_autofree char *internal = NULL;
g_autofree char *mode = NULL;
@@ -10393,12 +10387,6 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
(virDomainVirtioOptionsParseXML(driver_node, &def->virtio) < 0))
goto error;
- backend = virXMLPropString(driver_node, "name");
- txmode = virXMLPropString(driver_node, "txmode");
- queues = virXMLPropString(driver_node, "queues");
- rx_queue_size = virXMLPropString(driver_node, "rx_queue_size");
- tx_queue_size = virXMLPropString(driver_node, "tx_queue_size");
-
if ((filterref_node = virXPathNode("./filterref", ctxt))) {
filter = virXMLPropString(filterref_node, "filter");
filterparams = virNWFilterParseParamAttributes(filterref_node);
@@ -10446,18 +10434,11 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
def->mac_generated = true;
}
- if ((macaddr_type = virXPathString("string(./mac/@type)", ctxt))) {
- int tmp;
-
- if ((tmp = virDomainNetMacTypeTypeFromString(macaddr_type)) <= 0) {
- virReportError(VIR_ERR_XML_ERROR,
- _("invalid mac address type value: '%s'. Valid "
- "values are \"generated\" and \"static\"."),
- macaddr_type);
- goto error;
- }
- def->mac_type = tmp;
- }
+ if (virXMLPropEnum(mac_node, "type",
+ virDomainNetMacTypeTypeFromString,
+ VIR_XML_PROP_NONZERO,
+ &def->mac_type) < 0)
+ goto error;
if (virXMLPropTristateBool(mac_node, "check",
VIR_XML_PROP_NONE,
@@ -10732,28 +10713,18 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
if (def->type != VIR_DOMAIN_NET_TYPE_HOSTDEV &&
virDomainNetIsVirtioModel(def)) {
- if (backend != NULL) {
- if ((val = virDomainNetBackendTypeFromString(backend)) < 0 ||
- val == VIR_DOMAIN_NET_BACKEND_TYPE_DEFAULT) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
- _("Unknown interface <driver name='%s'> "
- "has been specified"),
- backend);
- goto error;
- }
- def->driver.virtio.name = val;
- }
- if (txmode != NULL) {
- if ((val = virDomainNetVirtioTxModeTypeFromString(txmode)) < 0 ||
- val == VIR_DOMAIN_NET_VIRTIO_TX_MODE_DEFAULT) {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
- _("Unknown interface <driver txmode='%s'> "
- "has been specified"),
- txmode);
- goto error;
- }
- def->driver.virtio.txmode = val;
- }
+
+ if (virXMLPropEnum(driver_node, "name",
+ virDomainNetBackendTypeFromString,
+ VIR_XML_PROP_NONZERO,
+ &def->driver.virtio.name) < 0)
+ goto error;
+
+ if (virXMLPropEnum(driver_node, "txmode",
+ virDomainNetVirtioTxModeTypeFromString,
+ VIR_XML_PROP_NONZERO,
+ &def->driver.virtio.txmode) < 0)
+ goto error;
if (virXMLPropTristateSwitch(driver_node, "ioeventfd",
VIR_XML_PROP_NONE,
@@ -10765,37 +10736,24 @@ virDomainNetDefParseXML(virDomainXMLOption *xmlopt,
&def->driver.virtio.event_idx) < 0)
goto error;
- if (queues) {
- unsigned int q;
- if (virStrToLong_uip(queues, NULL, 10, &q) < 0) {
- virReportError(VIR_ERR_XML_DETAIL,
- _("'queues' attribute must be positive number: %s"),
- queues);
- goto error;
- }
- if (q > 1)
- def->driver.virtio.queues = q;
- }
- if (rx_queue_size) {
- unsigned int q;
- if (virStrToLong_uip(rx_queue_size, NULL, 10, &q) < 0) {
- virReportError(VIR_ERR_XML_DETAIL,
- _("'rx_queue_size' attribute must be positive number: %s"),
- rx_queue_size);
- goto error;
- }
- def->driver.virtio.rx_queue_size = q;
- }
- if (tx_queue_size) {
- unsigned int q;
- if (virStrToLong_uip(tx_queue_size, NULL, 10, &q) < 0) {
- virReportError(VIR_ERR_XML_DETAIL,
- _("'tx_queue_size' attribute must be positive number: %s"),
- tx_queue_size);
- goto error;
- }
- def->driver.virtio.tx_queue_size = q;
- }
+ if (virXMLPropUInt(driver_node, "queues", 10,
+ VIR_XML_PROP_NONE,
+ &def->driver.virtio.queues) < 0)
+ goto error;
+
+ /* There's always at least one TX/RX queue. */
+ if (def->driver.virtio.queues == 1)
+ def->driver.virtio.queues = 0;
+
+ if (virXMLPropUInt(driver_node, "rx_queue_size", 10,
+ VIR_XML_PROP_NONE,
+ &def->driver.virtio.rx_queue_size) < 0)
+ goto error;
+
+ if (virXMLPropUInt(driver_node, "tx_queue_size", 10,
+ VIR_XML_PROP_NONE,
+ &def->driver.virtio.tx_queue_size) < 0)
+ goto error;
if ((tmpNode = virXPathNode("./driver/host", ctxt))) {
if (virXMLPropTristateSwitch(tmpNode, "csum", VIR_XML_PROP_NONE,
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index bbb2f463e2..8a4d7b6f99 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -945,7 +945,7 @@ typedef enum {
/* the backend driver used for virtio interfaces */
typedef enum {
- VIR_DOMAIN_NET_BACKEND_TYPE_DEFAULT, /* prefer kernel, fall back to user */
+ VIR_DOMAIN_NET_BACKEND_TYPE_DEFAULT = 0, /* prefer kernel, fall back to user */
VIR_DOMAIN_NET_BACKEND_TYPE_QEMU, /* userland */
VIR_DOMAIN_NET_BACKEND_TYPE_VHOST, /* kernel */
@@ -954,7 +954,7 @@ typedef enum {
/* the TX algorithm used for virtio interfaces */
typedef enum {
- VIR_DOMAIN_NET_VIRTIO_TX_MODE_DEFAULT, /* default for this version of qemu */
+ VIR_DOMAIN_NET_VIRTIO_TX_MODE_DEFAULT = 0, /* default for this version of qemu */
VIR_DOMAIN_NET_VIRTIO_TX_MODE_IOTHREAD,
VIR_DOMAIN_NET_VIRTIO_TX_MODE_TIMER,
diff --git a/tests/qemuxml2argvdata/vhost_queues-invalid.err b/tests/qemuxml2argvdata/vhost_queues-invalid.err
index e89358f0a3..10c2c81339 100644
--- a/tests/qemuxml2argvdata/vhost_queues-invalid.err
+++ b/tests/qemuxml2argvdata/vhost_queues-invalid.err
@@ -1 +1 @@
-'queues' attribute must be positive number: -5
+XML error: Invalid value for attribute 'queues' in element 'driver': '-5'. Expected non-negative integer value
--
2.34.1
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