qemu: Introduce qemuBuildParallelsCommandLine

Add new function to manage adding the parallels device options to the
command line removing that task from the mainline qemuBuildCommandLine.
Alter logic slight to reduce indention level.

Signed-off-by: John Ferlan <jferlan@redhat.com>

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 1659e7155535afd174dea2adf90d5ff9bab5cb92..a86cbb306de3f1a2f5f79b7481644d484933293f 100644 (file)
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7813,6 +7813,50 @@ qemuBuildSerialCommandLine(virLogManagerPtr logManager,
 }
 
 
+static int
+qemuBuildParallelsCommandLine(virLogManagerPtr logManager,
+                              virCommandPtr cmd,
+                              const virDomainDef *def,
+                              virQEMUCapsPtr qemuCaps)
+{
+    size_t i;
+
+    /* If we have -device, then we set -nodefaults already */
+    if (!def->nparallels && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
+        virCommandAddArgList(cmd, "-parallel", "none", NULL);
+
+    for (i = 0; i < def->nparallels; i++) {
+        virDomainChrDefPtr parallel = def->parallels[i];
+        char *devstr;
+
+        /* Use -chardev with -device if they are available */
+        if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) &&
+            virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
+            virCommandAddArg(cmd, "-chardev");
+            if (!(devstr = qemuBuildChrChardevStr(logManager, cmd, def,
+                                                  &parallel->source,
+                                                  parallel->info.alias,
+                                                  qemuCaps)))
+                return -1;
+            virCommandAddArg(cmd, devstr);
+            VIR_FREE(devstr);
+
+            if (qemuBuildChrDeviceCommandLine(cmd, def, parallel,
+                                              qemuCaps) < 0)
+                return -1;
+        } else {
+            virCommandAddArg(cmd, "-parallel");
+            if (!(devstr = qemuBuildChrArgStr(&parallel->source, NULL)))
+                return -1;
+            virCommandAddArg(cmd, devstr);
+            VIR_FREE(devstr);
+        }
+    }
+
+    return 0;
+}
+
+
 static int
 qemuBuildDomainLoaderCommandLine(virCommandPtr cmd,
                                  virDomainDefPtr def,
@@ -8312,38 +8356,8 @@ qemuBuildCommandLine(virConnectPtr conn,
     if (qemuBuildSerialCommandLine(logManager, cmd, def, qemuCaps) < 0)
         goto error;
 
-    if (!def->nparallels) {
-        /* If we have -device, then we set -nodefault already */
-        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
-            virCommandAddArgList(cmd, "-parallel", "none", NULL);
-    } else {
-        for (i = 0; i < def->nparallels; i++) {
-            virDomainChrDefPtr parallel = def->parallels[i];
-            char *devstr;
-
-            /* Use -chardev with -device if they are available */
-            if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) &&
-                virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
-                if (!(devstr = qemuBuildChrChardevStr(logManager, cmd, def,
-                                                      &parallel->source,
-                                                      parallel->info.alias,
-                                                      qemuCaps)))
-                    goto error;
-                virCommandAddArg(cmd, "-chardev");
-                virCommandAddArg(cmd, devstr);
-                VIR_FREE(devstr);
-
-                if (qemuBuildChrDeviceCommandLine(cmd, def, parallel, qemuCaps) < 0)
-                    goto error;
-            } else {
-                virCommandAddArg(cmd, "-parallel");
-                if (!(devstr = qemuBuildChrArgStr(&parallel->source, NULL)))
-                    goto error;
-                virCommandAddArg(cmd, devstr);
-                VIR_FREE(devstr);
-            }
-        }
-    }
+    if (qemuBuildParallelsCommandLine(logManager, cmd, def, qemuCaps) < 0)
+        goto error;
 
     for (i = 0; i < def->nchannels; i++) {
         virDomainChrDefPtr channel = def->channels[i];