[libvirt] [PREPOST 14/17] src/xenxs:Refactor code formating char devices config

[David Kiarie]

From: Kiarie Kahurani <davidkiarie4 at gmail.com>

Introduce function
 xenFormatXMCharDev(....);
which formats char devices config

signed-off-by:David Kiarie<davidkiarie4 at gmail.com>
---
 src/xenxs/xen_xm.c | 155 ++++++++++++++++++++++++++++-------------------------
 1 file changed, 82 insertions(+), 73 deletions(-)

diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 367a8cd..ee5dc19 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -1742,6 +1742,85 @@ static int xenFormatXMEventActions(virConfPtr conf, virDomainDefPtr def)
 
     return 0;
 }
+static int xenFormatXMCharDev(virConfPtr conf, virDomainDefPtr def)
+{
+    size_t i;
+    if (STREQ(def->os.type, "hvm")) {
+        if (def->nparallels) {
+            virBuffer buf = VIR_BUFFER_INITIALIZER;
+            char *str;
+            int ret;
+
+            ret = xenFormatSxprChr(def->parallels[0], &buf);
+            str = virBufferContentAndReset(&buf);
+            if (ret == 0)
+                ret = xenXMConfigSetString(conf, "parallel", str);
+            VIR_FREE(str);
+            if (ret < 0)
+                goto cleanup;
+        } else {
+            if (xenXMConfigSetString(conf, "parallel", "none") < 0)
+                goto cleanup;
+        }
+
+        if (def->nserials) {
+            if ((def->nserials == 1) && (def->serials[0]->target.port == 0)) {
+                virBuffer buf = VIR_BUFFER_INITIALIZER;
+                char *str;
+                int ret;
+
+                ret = xenFormatSxprChr(def->serials[0], &buf);
+                str = virBufferContentAndReset(&buf);
+                if (ret == 0)
+                    ret = xenXMConfigSetString(conf, "serial", str);
+                VIR_FREE(str);
+                if (ret < 0)
+                    goto cleanup;
+            } else {
+                size_t j = 0;
+                int maxport = -1, port;
+                virConfValuePtr serialVal = NULL;
+
+                if (VIR_ALLOC(serialVal) < 0)
+                    goto cleanup;
+                serialVal->type = VIR_CONF_LIST;
+                serialVal->list = NULL;
+
+                for (i = 0; i < def->nserials; i++)
+                    if (def->serials[i]->target.port > maxport)
+                        maxport = def->serials[i]->target.port;
+
+                for (port = 0; port <= maxport; port++) {
+                    virDomainChrDefPtr chr = NULL;
+                    for (j = 0; j < def->nserials; j++) {
+                        if (def->serials[j]->target.port == port) {
+                            chr = def->serials[j];
+                            break;
+                        }
+                    }
+                    if (xenFormatXMSerial(serialVal, chr) < 0) {
+                        virConfFreeValue(serialVal);
+                        goto cleanup;
+                    }
+                }
+
+                if (serialVal->list != NULL) {
+                    int ret = virConfSetValue(conf, "serial", serialVal);
+                    serialVal = NULL;
+                    if (ret < 0)
+                        goto cleanup;
+                }
+                VIR_FREE(serialVal);
+            }
+        } else {
+            if (xenXMConfigSetString(conf, "serial", "none") < 0)
+                goto cleanup;
+        }
+    }
+    return 0;
+cleanup:
+    return -1;
+}
 virConfPtr xenFormatXM(virConnectPtr conn,
                                    virDomainDefPtr def,
                                    int xendConfigVersion)
@@ -2067,79 +2146,10 @@ virConfPtr xenFormatXM(virConnectPtr conn,
     if (xenFormatXMPCI(conf, def) < 0)
         goto cleanup;
 
-    if (hvm) {
-        if (def->nparallels) {
-            virBuffer buf = VIR_BUFFER_INITIALIZER;
-            char *str;
-            int ret;
-
-            ret = xenFormatSxprChr(def->parallels[0], &buf);
-            str = virBufferContentAndReset(&buf);
-            if (ret == 0)
-                ret = xenXMConfigSetString(conf, "parallel", str);
-            VIR_FREE(str);
-            if (ret < 0)
-                goto cleanup;
-        } else {
-            if (xenXMConfigSetString(conf, "parallel", "none") < 0)
-                goto cleanup;
-        }
-
-        if (def->nserials) {
-            if ((def->nserials == 1) && (def->serials[0]->target.port == 0)) {
-                virBuffer buf = VIR_BUFFER_INITIALIZER;
-                char *str;
-                int ret;
-
-                ret = xenFormatSxprChr(def->serials[0], &buf);
-                str = virBufferContentAndReset(&buf);
-                if (ret == 0)
-                    ret = xenXMConfigSetString(conf, "serial", str);
-                VIR_FREE(str);
-                if (ret < 0)
-                    goto cleanup;
-            } else {
-                size_t j = 0;
-                int maxport = -1, port;
-                virConfValuePtr serialVal = NULL;
-
-                if (VIR_ALLOC(serialVal) < 0)
-                    goto cleanup;
-                serialVal->type = VIR_CONF_LIST;
-                serialVal->list = NULL;
-
-                for (i = 0; i < def->nserials; i++)
-                    if (def->serials[i]->target.port > maxport)
-                        maxport = def->serials[i]->target.port;
-
-                for (port = 0; port <= maxport; port++) {
-                    virDomainChrDefPtr chr = NULL;
-                    for (j = 0; j < def->nserials; j++) {
-                        if (def->serials[j]->target.port == port) {
-                            chr = def->serials[j];
-                            break;
-                        }
-                    }
-                    if (xenFormatXMSerial(serialVal, chr) < 0) {
-                        virConfFreeValue(serialVal);
-                        goto cleanup;
-                    }
-                }
-
-                if (serialVal->list != NULL) {
-                    int ret = virConfSetValue(conf, "serial", serialVal);
-                    serialVal = NULL;
-                    if (ret < 0)
-                        goto cleanup;
-                }
-                VIR_FREE(serialVal);
-            }
-        } else {
-            if (xenXMConfigSetString(conf, "serial", "none") < 0)
-                goto cleanup;
-        }
-
+    if (xenFormatXMCharDev(conf, def) < 0)
+        goto cleanup;
 
+    if (hvm) {
         if (def->sounds) {
             virBuffer buf = VIR_BUFFER_INITIALIZER;
             char *str = NULL;
@@ -2153,7 +2163,6 @@ virConfPtr xenFormatXM(virConnectPtr conn,
                 goto cleanup;
         }
     }
-
     return conf;
 
  cleanup:
-- 
1.8.4.5