[PATCH RFC 12/12] config: validate: Verify throttle group fields

[wucf@xxxxxxxxxxxxx]

From: Hao Ning Xin <xinhaong@xxxxxxxxxxxxx>

Both throttlegroup and iotune share the same fields, so they share the same verification logic

Signed-off-by: Hao Ning Xin <xinhaong@xxxxxxxxxxxxx>
---
 src/conf/domain_validate.c | 94 ++++++++++++++++++++++++--------------
 1 file changed, 60 insertions(+), 34 deletions(-)

diff --git a/src/conf/domain_validate.c b/src/conf/domain_validate.c
index 940c3a92d6..a2b615bf82 100644
--- a/src/conf/domain_validate.c
+++ b/src/conf/domain_validate.c
@@ -657,6 +657,47 @@ virDomainDiskDefValidateStartupPolicy(const virDomainDiskDef *disk)
     return 0;
 }
 
+static int
+virDomainDiskIoTuneValidate(const virDomainBlockIoTuneInfo blkdeviotune)
+{
+    if ((blkdeviotune.total_bytes_sec &&
+         blkdeviotune.read_bytes_sec) ||
+        (blkdeviotune.total_bytes_sec &&
+         blkdeviotune.write_bytes_sec)) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("total and read/write bytes_sec cannot be set at the same time"));
+        return -1;
+    }
+
+    if ((blkdeviotune.total_iops_sec &&
+         blkdeviotune.read_iops_sec) ||
+        (blkdeviotune.total_iops_sec &&
+         blkdeviotune.write_iops_sec)) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("total and read/write iops_sec cannot be set at the same time"));
+        return -1;
+    }
+
+    if ((blkdeviotune.total_bytes_sec_max &&
+         blkdeviotune.read_bytes_sec_max) ||
+        (blkdeviotune.total_bytes_sec_max &&
+         blkdeviotune.write_bytes_sec_max)) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("total and read/write bytes_sec_max cannot be set at the same time"));
+        return -1;
+    }
+
+    if ((blkdeviotune.total_iops_sec_max &&
+         blkdeviotune.read_iops_sec_max) ||
+        (blkdeviotune.total_iops_sec_max &&
+         blkdeviotune.write_iops_sec_max)) {
+        virReportError(VIR_ERR_XML_ERROR, "%s",
+                       _("total and read/write iops_sec_max cannot be set at the same time"));
+        return -1;
+    }
+
+    return 0;
+}
 
 static int
 virDomainDiskDefValidate(const virDomainDef *def,
@@ -713,41 +754,8 @@ virDomainDiskDefValidate(const virDomainDef *def,
     }
 
     /* Validate IotuneParse */
-    if ((disk->blkdeviotune.total_bytes_sec &&
-         disk->blkdeviotune.read_bytes_sec) ||
-        (disk->blkdeviotune.total_bytes_sec &&
-         disk->blkdeviotune.write_bytes_sec)) {
-        virReportError(VIR_ERR_XML_ERROR, "%s",
-                       _("total and read/write bytes_sec cannot be set at the same time"));
-        return -1;
-    }
-
-    if ((disk->blkdeviotune.total_iops_sec &&
-         disk->blkdeviotune.read_iops_sec) ||
-        (disk->blkdeviotune.total_iops_sec &&
-         disk->blkdeviotune.write_iops_sec)) {
-        virReportError(VIR_ERR_XML_ERROR, "%s",
-                       _("total and read/write iops_sec cannot be set at the same time"));
-        return -1;
-    }
-
-    if ((disk->blkdeviotune.total_bytes_sec_max &&
-         disk->blkdeviotune.read_bytes_sec_max) ||
-        (disk->blkdeviotune.total_bytes_sec_max &&
-         disk->blkdeviotune.write_bytes_sec_max)) {
-        virReportError(VIR_ERR_XML_ERROR, "%s",
-                       _("total and read/write bytes_sec_max cannot be set at the same time"));
+    if (virDomainDiskIoTuneValidate(disk->blkdeviotune) < 0)
         return -1;
-    }
-
-    if ((disk->blkdeviotune.total_iops_sec_max &&
-         disk->blkdeviotune.read_iops_sec_max) ||
-        (disk->blkdeviotune.total_iops_sec_max &&
-         disk->blkdeviotune.write_iops_sec_max)) {
-        virReportError(VIR_ERR_XML_ERROR, "%s",
-                       _("total and read/write iops_sec_max cannot be set at the same time"));
-        return -1;
-    }
 
     /* Reject disks with a bus type that is not compatible with the
      * given address type. The function considers only buses that are
@@ -1820,6 +1828,21 @@ virDomainDefValidateIOThreads(const virDomainDef *def)
     return 0;
 }
 
+static int
+virDomainDefValidateThrottleGroups(const virDomainDef *def)
+{
+    size_t i;
+
+    for (i = 0; i < def->nthrottlegroups; i++) {
+        virDomainThrottleGroupDef *throttleGroup = def->throttlegroups[i];
+
+        /* Validate Throttle Group */
+        if (virDomainDiskIoTuneValidate(*throttleGroup) < 0)
+            return -1;
+    }
+
+    return 0;
+}
 
 static int
 virDomainDefValidateInternal(const virDomainDef *def,
@@ -1876,6 +1899,9 @@ virDomainDefValidateInternal(const virDomainDef *def,
     if (virDomainDefValidateIOThreads(def) < 0)
         return -1;
 
+    if (virDomainDefValidateThrottleGroups(def) < 0)
+        return -1;
+
     return 0;
 }
 
-- 
2.34.1
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