Re: [PATCH V5 11/12] src/xenxs: Refactor code formating emulated devices config

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Kiarie Kahurani wrote:
> introduce function
>   xenFormatXMEmulatedHardware(virConfPtr conf,....);
>   

You've also added xenFormatXMVif in this patch. It should be in a
separate patch IMO. Once removed, a better description of this patch is
"src/xenxs: Refactor code formating peripheral device config" since it
parses input devices, sound, etc.

> which  formats emulated hardware config instead
>
> Signed-off-by: Kiarie Kahurani <davidkiarie4@xxxxxxxxx>
> ---
>  src/xenxs/xen_xm.c                         | 150 +++++++++++++++++------------
>  tests/xmconfigdata/test-escape-paths.cfg   |   2 +-
>  tests/xmconfigdata/test-fullvirt-sound.cfg |   2 +-
>  3 files changed, 92 insertions(+), 62 deletions(-)
>
> diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
> index 4795644..9718c92 100644
> --- a/src/xenxs/xen_xm.c
> +++ b/src/xenxs/xen_xm.c
> @@ -2221,6 +2221,93 @@ xenFormatXMVfb(virConfPtr conf, virDomainDefPtr def,
>  
>      return 0;
>  }
> +
> +
> +static int
> +xenFormatXMVif(virConfPtr conf, virConnectPtr conn,
> +               virDomainDefPtr def, int xendConfigVersion)
> +{
> +   virConfValuePtr netVal = NULL;
> +   size_t i;
> +   int hvm = STREQ(def->os.type, "hvm");
> +
> +   if (VIR_ALLOC(netVal) < 0)
> +        goto cleanup;
> +    netVal->type = VIR_CONF_LIST;
> +    netVal->list = NULL;
> +
> +    for (i = 0; i < def->nnets; i++) {
> +        if (xenFormatXMNet(conn, netVal, def->nets[i],
> +                           hvm, xendConfigVersion) < 0)
> +           goto cleanup;
> +    }
> +
> +    if (netVal->list != NULL) {
> +        int ret = virConfSetValue(conf, "vif", netVal);
> +        netVal = NULL;
> +        if (ret < 0)
> +            goto cleanup;
> +    }
> +
> +    VIR_FREE(netVal);
> +    return 0;
> +
> + cleanup:
> +    virConfFreeValue(netVal);
> +    return -1;
> +}
> +
> +
> +static int
> +xenFormatXMEmulatedHardware(virConfPtr conf, virDomainDefPtr def)
>   

I've split this into xenFormatXMInputDevs and xenFormatXMSound.

> +{
> +    size_t i;
> +
> +    if (STREQ(def->os.type, "hvm")) {
> +        if (def->sounds) {
> +            virBuffer buf = VIR_BUFFER_INITIALIZER;
> +            char *str = NULL;
> +            int ret = xenFormatSxprSound(def, &buf);
> +            str = virBufferContentAndReset(&buf);
> +            if (ret == 0)
> +                ret = xenXMConfigSetString(conf, "soundhw", str);
> +
> +            VIR_FREE(str);
> +            if (ret < 0)
> +                return -1;
> +        }
> +
> +        for (i = 0; i < def->ninputs; i++) {
> +            if (def->inputs[i]->bus == VIR_DOMAIN_INPUT_BUS_USB) {
> +                if (xenXMConfigSetInt(conf, "usb", 1) < 0)
> +                    return -1;
> +
> +                switch (def->inputs[i]->type) {
> +                    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
> +                        if (xenXMConfigSetString(conf, "usbdevice", "mouse") < 0)
> +                            return -1;
> +
> +                        break;
> +                    case VIR_DOMAIN_INPUT_TYPE_TABLET:
> +                        if (xenXMConfigSetString(conf, "usbdevice", "tablet") < 0)
> +                            return -1;
> +
> +                        break;
> +                    case VIR_DOMAIN_INPUT_TYPE_KBD:
> +                        if (xenXMConfigSetString(conf, "usbdevice", "keyboard") < 0)
> +                            return -1;
> +
> +                        break;
> +                }
> +                break;
> +            }
> +        }
> +    }
> +
> +    return 0;
> +}
> +
> +
>  /* Computing the vcpu_avail bitmask works because MAX_VIRT_CPUS is
>     either 32, or 64 on a platform where long is big enough.  */
>  verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
> @@ -2231,9 +2318,6 @@ xenFormatXM(virConnectPtr conn,
>              int xendConfigVersion)
>  {
>      virConfPtr conf = NULL;
> -    int hvm = 0;
> -    size_t i;
> -    virConfValuePtr netVal = NULL;
>  
>      if (!(conf = virConfNew()))
>          goto cleanup;
> @@ -2247,8 +2331,6 @@ xenFormatXM(virConnectPtr conn,
>      if (xenFormatXMCPUFeatures(conf, def, xendConfigVersion) < 0)
>          goto cleanup;
>  
> -    hvm = STREQ(def->os.type, "hvm");
> -
>      if (xenFormatXMOS(conf, def, xendConfigVersion) < 0)
>          goto cleanup;
>  
> @@ -2258,29 +2340,8 @@ xenFormatXM(virConnectPtr conn,
>      if (xenFormatXMEventActions(conf, def) < 0)
>          goto cleanup;
>  
> -    if (hvm) {
> -        for (i = 0; i < def->ninputs; i++) {
> -            if (def->inputs[i]->bus == VIR_DOMAIN_INPUT_BUS_USB) {
> -                if (xenXMConfigSetInt(conf, "usb", 1) < 0)
> -                    goto cleanup;
> -                switch (def->inputs[i]->type) {
> -                    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
> -                        if (xenXMConfigSetString(conf, "usbdevice", "mouse") < 0)
> -                            goto cleanup;
> -                        break;
> -                    case VIR_DOMAIN_INPUT_TYPE_TABLET:
> -                        if (xenXMConfigSetString(conf, "usbdevice", "tablet") < 0)
> -                            goto cleanup;
> -                        break;
> -                    case VIR_DOMAIN_INPUT_TYPE_KBD:
> -                        if (xenXMConfigSetString(conf, "usbdevice", "keyboard") < 0)
> -                            goto cleanup;
> -                        break;
> -                }
> -                break;
> -            }
> -        }
> -    }
> +    if (xenFormatXMEmulatedHardware(conf, def) < 0)
> +        goto cleanup;
>  
>      if (xenFormatXMVfb(conf, def, xendConfigVersion) < 0)
>          goto cleanup;
> @@ -2288,23 +2349,8 @@ xenFormatXM(virConnectPtr conn,
>      if (xenFormatXMDomainDisks(conf, def, xendConfigVersion) < 0)
>          goto cleanup;
>  
> -    if (VIR_ALLOC(netVal) < 0)
> +    if (xenFormatXMVif(conf, conn, def, xendConfigVersion) < 0)
>          goto cleanup;
> -    netVal->type = VIR_CONF_LIST;
> -    netVal->list = NULL;
> -
> -    for (i = 0; i < def->nnets; i++) {
> -        if (xenFormatXMNet(conn, netVal, def->nets[i],
> -                           hvm, xendConfigVersion) < 0)
> -            goto cleanup;
> -    }
> -    if (netVal->list != NULL) {
> -        int ret = virConfSetValue(conf, "vif", netVal);
> -        netVal = NULL;
> -        if (ret < 0)
> -            goto cleanup;
> -    }
> -    VIR_FREE(netVal);
>  
>      if (xenFormatXMPCI(conf, def) < 0)
>          goto cleanup;
> @@ -2312,25 +2358,9 @@ xenFormatXM(virConnectPtr conn,
>      if (xenFormatXMCharDev(conf, def) < 0)
>          goto cleanup;
>  
> -    if (hvm) {
> -        if (def->sounds) {
> -            virBuffer buf = VIR_BUFFER_INITIALIZER;
> -            char *str = NULL;
> -            int ret = xenFormatSxprSound(def, &buf);
> -            str = virBufferContentAndReset(&buf);
> -            if (ret == 0)
> -                ret = xenXMConfigSetString(conf, "soundhw", str);
> -
> -            VIR_FREE(str);
> -            if (ret < 0)
> -                goto cleanup;
> -        }
> -    }
> -
>      return conf;
>  
>   cleanup:
> -    virConfFreeValue(netVal);
>      if (conf)
>          virConfFree(conf);
>      return NULL;
> diff --git a/tests/xmconfigdata/test-escape-paths.cfg b/tests/xmconfigdata/test-escape-paths.cfg
>   
> index 68984da..1336ece 100644
> --- a/tests/xmconfigdata/test-escape-paths.cfg
> +++ b/tests/xmconfigdata/test-escape-paths.cfg
>   

Separate functions for sound and input devices also avoids changes to
the test data files. Simplified patch below. I've also included the
trivial "11.2/12" patch for refactoring the vif formatting.

Regards,
Jim


>From ef4b383565fd030e67042cfd197e5f0251d28871 Mon Sep 17 00:00:00 2001
From: Kiarie Kahurani <davidkiarie4@xxxxxxxxx>
Date: Tue, 12 Aug 2014 00:21:34 +0300
Subject: [PATCH 10/11] src/xenxs: Refactor code formating peripheral device
 config

introduce functions
  xenFormatXMSound
  xenFormatXMInputDevs(virConfPtr conf,....);
which formats peripheral device config instead

Signed-off-by: Kiarie Kahurani <davidkiarie4@xxxxxxxxx>
Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxx>
---
 src/xenxs/xen_xm.c | 101 +++++++++++++++++++++++++++++++++--------------------
 1 file changed, 64 insertions(+), 37 deletions(-)

diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 77e7fde..2f79182 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -2248,6 +2248,66 @@ xenFormatXMVfb(virConfPtr conf,
 }
 
 
+static int
+xenFormatXMSound(virConfPtr conf, virDomainDefPtr def)
+{
+    if (STREQ(def->os.type, "hvm")) {
+        if (def->sounds) {
+            virBuffer buf = VIR_BUFFER_INITIALIZER;
+            char *str = NULL;
+            int ret = xenFormatSxprSound(def, &buf);
+
+            str = virBufferContentAndReset(&buf);
+            if (ret == 0)
+                ret = xenXMConfigSetString(conf, "soundhw", str);
+
+            VIR_FREE(str);
+            if (ret < 0)
+                return -1;
+        }
+    }
+
+    return 0;
+}
+
+
+static int
+xenFormatXMInputDevs(virConfPtr conf, virDomainDefPtr def)
+{
+    size_t i;
+
+    if (STREQ(def->os.type, "hvm")) {
+        for (i = 0; i < def->ninputs; i++) {
+            if (def->inputs[i]->bus == VIR_DOMAIN_INPUT_BUS_USB) {
+                if (xenXMConfigSetInt(conf, "usb", 1) < 0)
+                    return -1;
+
+                switch (def->inputs[i]->type) {
+                    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
+                        if (xenXMConfigSetString(conf, "usbdevice", "mouse") < 0)
+                            return -1;
+
+                        break;
+                    case VIR_DOMAIN_INPUT_TYPE_TABLET:
+                        if (xenXMConfigSetString(conf, "usbdevice", "tablet") < 0)
+                            return -1;
+
+                        break;
+                    case VIR_DOMAIN_INPUT_TYPE_KBD:
+                        if (xenXMConfigSetString(conf, "usbdevice", "keyboard") < 0)
+                            return -1;
+
+                        break;
+                }
+                break;
+            }
+        }
+    }
+
+    return 0;
+}
+
+
 /* Computing the vcpu_avail bitmask works because MAX_VIRT_CPUS is
    either 32, or 64 on a platform where long is big enough.  */
 verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
@@ -2292,29 +2352,8 @@ xenFormatXM(virConnectPtr conn,
     if (xenFormatXMEmulator(conf, def) < 0)
         goto cleanup;
 
-    if (hvm) {
-        for (i = 0; i < def->ninputs; i++) {
-            if (def->inputs[i]->bus == VIR_DOMAIN_INPUT_BUS_USB) {
-                if (xenXMConfigSetInt(conf, "usb", 1) < 0)
-                    goto cleanup;
-                switch (def->inputs[i]->type) {
-                    case VIR_DOMAIN_INPUT_TYPE_MOUSE:
-                        if (xenXMConfigSetString(conf, "usbdevice", "mouse") < 0)
-                            goto cleanup;
-                        break;
-                    case VIR_DOMAIN_INPUT_TYPE_TABLET:
-                        if (xenXMConfigSetString(conf, "usbdevice", "tablet") < 0)
-                            goto cleanup;
-                        break;
-                    case VIR_DOMAIN_INPUT_TYPE_KBD:
-                        if (xenXMConfigSetString(conf, "usbdevice", "keyboard") < 0)
-                            goto cleanup;
-                        break;
-                }
-                break;
-            }
-        }
-    }
+    if (xenFormatXMInputDevs(conf, def) < 0)
+        goto cleanup;
 
     if (xenFormatXMVfb(conf, def, xendConfigVersion) < 0)
         goto cleanup;
@@ -2346,20 +2385,8 @@ xenFormatXM(virConnectPtr conn,
     if (xenFormatXMCharDev(conf, def) < 0)
         goto cleanup;
 
-    if (hvm) {
-        if (def->sounds) {
-            virBuffer buf = VIR_BUFFER_INITIALIZER;
-            char *str = NULL;
-            int ret = xenFormatSxprSound(def, &buf);
-            str = virBufferContentAndReset(&buf);
-            if (ret == 0)
-                ret = xenXMConfigSetString(conf, "soundhw", str);
-
-            VIR_FREE(str);
-            if (ret < 0)
-                goto cleanup;
-        }
-    }
+    if (xenFormatXMSound(conf, def) < 0)
+        goto cleanup;
 
     return conf;
 
-- 
1.8.4.5

>From c4a96b78e915e6d940a5d617c00b182415d99a35 Mon Sep 17 00:00:00 2001
From: Jim Fehlig <jfehlig@xxxxxxxx>
Date: Wed, 13 Aug 2014 14:46:16 -0600
Subject: [PATCH 11/11] src/xenxs: Refactor code formating vif device config

Handle formating of VIF config in a new function xenFormatXMVif().

Signed-off-by: Kiarie Kahurani <davidkiarie4@xxxxxxxxx>
Signed-off-by: Jim Fehlig <jfehlig@xxxxxxxx>
---
 src/xenxs/xen_xm.c | 58 +++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 38 insertions(+), 20 deletions(-)

diff --git a/src/xenxs/xen_xm.c b/src/xenxs/xen_xm.c
index 2f79182..292903e 100644
--- a/src/xenxs/xen_xm.c
+++ b/src/xenxs/xen_xm.c
@@ -2308,6 +2308,43 @@ xenFormatXMInputDevs(virConfPtr conf, virDomainDefPtr def)
 }
 
 
+static int
+xenFormatXMVif(virConfPtr conf,
+               virConnectPtr conn,
+               virDomainDefPtr def,
+               int xendConfigVersion)
+{
+   virConfValuePtr netVal = NULL;
+   size_t i;
+   int hvm = STREQ(def->os.type, "hvm");
+
+   if (VIR_ALLOC(netVal) < 0)
+        goto cleanup;
+    netVal->type = VIR_CONF_LIST;
+    netVal->list = NULL;
+
+    for (i = 0; i < def->nnets; i++) {
+        if (xenFormatXMNet(conn, netVal, def->nets[i],
+                           hvm, xendConfigVersion) < 0)
+           goto cleanup;
+    }
+
+    if (netVal->list != NULL) {
+        int ret = virConfSetValue(conf, "vif", netVal);
+        netVal = NULL;
+        if (ret < 0)
+            goto cleanup;
+    }
+
+    VIR_FREE(netVal);
+    return 0;
+
+ cleanup:
+    virConfFreeValue(netVal);
+    return -1;
+}
+
+
 /* Computing the vcpu_avail bitmask works because MAX_VIRT_CPUS is
    either 32, or 64 on a platform where long is big enough.  */
 verify(MAX_VIRT_CPUS <= sizeof(1UL) * CHAR_BIT);
@@ -2318,9 +2355,6 @@ xenFormatXM(virConnectPtr conn,
             int xendConfigVersion)
 {
     virConfPtr conf = NULL;
-    int hvm = STREQ(def->os.type, "hvm") ? 1 : 0;
-    size_t i;
-    virConfValuePtr netVal = NULL;
 
     if (!(conf = virConfNew()))
         goto cleanup;
@@ -2361,23 +2395,8 @@ xenFormatXM(virConnectPtr conn,
     if (xenFormatXMDisks(conf, def, xendConfigVersion) < 0)
         goto cleanup;
 
-    if (VIR_ALLOC(netVal) < 0)
+    if (xenFormatXMVif(conf, conn, def, xendConfigVersion) < 0)
         goto cleanup;
-    netVal->type = VIR_CONF_LIST;
-    netVal->list = NULL;
-
-    for (i = 0; i < def->nnets; i++) {
-        if (xenFormatXMNet(conn, netVal, def->nets[i],
-                           hvm, xendConfigVersion) < 0)
-            goto cleanup;
-    }
-    if (netVal->list != NULL) {
-        int ret = virConfSetValue(conf, "vif", netVal);
-        netVal = NULL;
-        if (ret < 0)
-            goto cleanup;
-    }
-    VIR_FREE(netVal);
 
     if (xenFormatXMPCI(conf, def) < 0)
         goto cleanup;
@@ -2391,7 +2410,6 @@ xenFormatXM(virConnectPtr conn,
     return conf;
 
  cleanup:
-    virConfFreeValue(netVal);
     if (conf)
         virConfFree(conf);
     return NULL;
-- 
1.8.4.5

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