[PATCH 057/103] qemuBuildWatchdogCommandLine: Generate via JSON

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The watchdog doesn't have any special properties.

Convert the command line generator and hotplug code.

Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx>
---
 src/qemu/qemu_command.c | 31 +++++++++++++++----------------
 src/qemu/qemu_command.h |  6 +++---
 src/qemu/qemu_hotplug.c |  6 +++---
 3 files changed, 21 insertions(+), 22 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 25859ee653..6fa804f7d8 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -4150,21 +4150,22 @@ qemuBuildHostNetStr(virDomainNetDef *net,
 }


-char *
-qemuBuildWatchdogDevStr(const virDomainDef *def,
-                        virDomainWatchdogDef *dev,
-                        virQEMUCaps *qemuCaps G_GNUC_UNUSED)
+virJSONValue *
+qemuBuildWatchdogDevProps(const virDomainDef *def,
+                          virDomainWatchdogDef *dev)
 {
-    g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
+    g_autoptr(virJSONValue) props = NULL;

-    virBufferAsprintf(&buf, "%s,id=%s",
-                      virDomainWatchdogModelTypeToString(dev->model),
-                      dev->info.alias);
+    if (virJSONValueObjectCreate(&props,
+                                 "s:driver", virDomainWatchdogModelTypeToString(dev->model),
+                                 "s:id", dev->info.alias,
+                                 NULL) < 0)
+        return NULL;

-    if (qemuBuildDeviceAddressStr(&buf, def, &dev->info) < 0)
+    if (qemuBuildDeviceAddressProps(props, def, &dev->info) < 0)
         return NULL;

-    return virBufferContentAndReset(&buf);
+    return g_steal_pointer(&props);
 }


@@ -4174,7 +4175,7 @@ qemuBuildWatchdogCommandLine(virCommand *cmd,
                              virQEMUCaps *qemuCaps)
 {
     virDomainWatchdogDef *watchdog = def->watchdog;
-    g_autofree char *optstr = NULL;
+    g_autoptr(virJSONValue) props = NULL;
     const char *action;
     int actualAction;

@@ -4184,13 +4185,11 @@ qemuBuildWatchdogCommandLine(virCommand *cmd,
     if (qemuCommandAddExtDevice(cmd, &def->watchdog->info) < 0)
         return -1;

-    virCommandAddArg(cmd, "-device");
-
-    optstr = qemuBuildWatchdogDevStr(def, watchdog, qemuCaps);
-    if (!optstr)
+    if (!(props = qemuBuildWatchdogDevProps(def, watchdog)))
         return -1;

-    virCommandAddArg(cmd, optstr);
+    if (qemuBuildDeviceCommandlineFromJSON(cmd, props, qemuCaps))
+        return -1;

     /* qemu doesn't have a 'dump' action; we tell qemu to 'pause', then
        libvirt listens for the watchdog event, and we perform the dump
diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
index d59a55e8aa..6ce151d8d9 100644
--- a/src/qemu/qemu_command.h
+++ b/src/qemu/qemu_command.h
@@ -234,9 +234,9 @@ char *qemuBuildShmemDevStr(virDomainDef *def,
                            virQEMUCaps *qemuCaps)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);

-char *qemuBuildWatchdogDevStr(const virDomainDef *def,
-                              virDomainWatchdogDef *dev,
-                              virQEMUCaps *qemuCaps);
+virJSONValue *
+qemuBuildWatchdogDevProps(const virDomainDef *def,
+                          virDomainWatchdogDef *dev);

 int qemuBuildInputDevStr(char **devstr,
                          const virDomainDef *def,
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index d5f6722d5a..f833a619a7 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -3121,7 +3121,7 @@ qemuDomainAttachWatchdog(virQEMUDriver *driver,
     int ret = -1;
     qemuDomainObjPrivate *priv = vm->privateData;
     virDomainDeviceDef dev = { VIR_DOMAIN_DEVICE_WATCHDOG, { .watchdog = watchdog } };
-    g_autofree char *watchdogstr = NULL;
+    g_autoptr(virJSONValue) props = NULL;
     bool releaseAddress = false;
     int rv;

@@ -3145,7 +3145,7 @@ qemuDomainAttachWatchdog(virQEMUDriver *driver,
         goto cleanup;
     }

-    if (!(watchdogstr = qemuBuildWatchdogDevStr(vm->def, watchdog, priv->qemuCaps)))
+    if (!(props = qemuBuildWatchdogDevProps(vm->def, watchdog)))
         goto cleanup;

     qemuDomainObjEnterMonitor(driver, vm);
@@ -3203,7 +3203,7 @@ qemuDomainAttachWatchdog(virQEMUDriver *driver,
     }

     if (rv >= 0)
-        rv = qemuMonitorAddDevice(priv->mon, watchdogstr);
+        rv = qemuMonitorAddDeviceProps(priv->mon, &props);

     if (qemuDomainObjExitMonitor(driver, vm) < 0) {
         releaseAddress = false;
-- 
2.31.1




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