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[libvirt] [PATCH V3 01/24] src/xenxs:Refactor code parsing memory config



From: Kiarie Kahurani <davidkiarie4 gmail com>

introduce function
  xenParseXMMem(virConfPtr conf,.........);
which parses memory config instead

signed-off-by: David Kiarie<davidkiarie4 gmail com>
---
 src/xenxs/xen_xm.c | 83 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 45 insertions(+), 38 deletions(-)

diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 4461654..443e6da 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -40,11 +40,9 @@
 #include "virstoragefile.h"
 #include "virstring.h"
 
-/* Convenience method to grab a long int from the config file object */
-static int xenXMConfigGetBool(virConfPtr conf,
-                              const char *name,
-                              int *value,
-                              int def)
+/* Convenience method to grab a int from the config file object */
+static int
+xenXMConfigGetBool(virConfPtr conf, const char *name, int *value, int def)
 {
     virConfValuePtr val;
 
@@ -67,11 +65,10 @@ static int xenXMConfigGetBool(virConfPtr conf,
 }
 
 
-/* Convenience method to grab a int from the config file object */
-static int xenXMConfigGetULong(virConfPtr conf,
-                               const char *name,
-                               unsigned long *value,
-                               unsigned long def)
+/* Convenience method to grab a long int from the config file object */
+static int
+xenXMConfigGetULong(virConfPtr conf, const char *name, unsigned long *value,
+                    unsigned long def)
 {
     virConfValuePtr val;
 
@@ -99,10 +96,9 @@ static int xenXMConfigGetULong(virConfPtr conf,
 
 
 /* Convenience method to grab a int from the config file object */
-static int xenXMConfigGetULongLong(virConfPtr conf,
-                                   const char *name,
-                                   unsigned long long *value,
-                                   unsigned long long def)
+static int
+xenXMConfigGetULongLong(virConfPtr conf, const char *name,
+                        unsigned long long *value, unsigned long long def)
 {
     virConfValuePtr val;
 
@@ -130,10 +126,9 @@ static int xenXMConfigGetULongLong(virConfPtr conf,
 
 
 /* Convenience method to grab a string from the config file object */
-static int xenXMConfigGetString(virConfPtr conf,
-                                const char *name,
-                                const char **value,
-                                const char *def)
+static int
+xenXMConfigGetString(virConfPtr conf, const char *name, const char **value,
+                     const char *def)
 {
     virConfValuePtr val;
 
@@ -155,10 +150,10 @@ static int xenXMConfigGetString(virConfPtr conf,
     return 0;
 }
 
-static int xenXMConfigCopyStringInternal(virConfPtr conf,
-                                         const char *name,
-                                         char **value,
-                                         int allowMissing)
+
+static int
+xenXMConfigCopyStringInternal(virConfPtr conf, const char *name, char **value,
+                              int allowMissing)
 {
     virConfValuePtr val;
 
@@ -188,15 +183,16 @@ static int xenXMConfigCopyStringInternal(virConfPtr conf,
 }
 
 
-static int xenXMConfigCopyString(virConfPtr conf,
-                                 const char *name,
-                                 char **value) {
+static int
+xenXMConfigCopyString(virConfPtr conf, const char *name, char **value)
+{
     return xenXMConfigCopyStringInternal(conf, name, value, 0);
 }
 
-static int xenXMConfigCopyStringOpt(virConfPtr conf,
-                                    const char *name,
-                                    char **value) {
+
+static int
+xenXMConfigCopyStringOpt(virConfPtr conf, const char *name, char **value)
+{
     return xenXMConfigCopyStringInternal(conf, name, value, 1);
 }
 
@@ -244,6 +240,25 @@ xenXMConfigGetUUID(virConfPtr conf, const char *name, unsigned char *uuid)
     return 0;
 }
 
+
+static int
+xenParseXMMem(virConfPtr conf, virDomainDefPtr def)
+{
+    if (xenXMConfigGetULongLong(conf, "memory", &def->mem.cur_balloon,
+                                MIN_XEN_GUEST_SIZE * 2) < 0)
+        return -1;
+
+    if (xenXMConfigGetULongLong(conf, "maxmem", &def->mem.max_balloon,
+                                def->mem.cur_balloon) < 0)
+        return -1;
+
+    def->mem.cur_balloon *= 1024;
+    def->mem.max_balloon *= 1024;
+
+    return 0;
+}
+
+
 #define MAX_VFB 1024
 /*
  * Turn a config record into a lump of XML describing the
@@ -251,7 +266,7 @@ xenXMConfigGetUUID(virConfPtr conf, const char *name, unsigned char *uuid)
  */
 virDomainDefPtr
 xenParseXM(virConfPtr conf, int xendConfigVersion,
-                       virCapsPtr caps)
+           virCapsPtr caps)
 {
     const char *str;
     int hvm = 0;
@@ -360,17 +375,9 @@ xenParseXM(virConfPtr conf, int xendConfigVersion,
         }
     }
 
-    if (xenXMConfigGetULongLong(conf, "memory", &def->mem.cur_balloon,
-                                MIN_XEN_GUEST_SIZE * 2) < 0)
-        goto cleanup;
-
-    if (xenXMConfigGetULongLong(conf, "maxmem", &def->mem.max_balloon,
-                                def->mem.cur_balloon) < 0)
+    if (xenParseXMMem(conf, def) < 0)
         goto cleanup;
 
-    def->mem.cur_balloon *= 1024;
-    def->mem.max_balloon *= 1024;
-
     if (xenXMConfigGetULong(conf, "vcpus", &count, 1) < 0 ||
         MAX_VIRT_CPUS < count)
         goto cleanup;
-- 
1.8.4.5


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