[libvirt] [PATCH v2 02/12] migration: refactor: reuse p2p url check

[Nikolay Shirokovskiy]

As promised in previous patch.

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy at virtuozzo.com>
---
 src/libvirt-domain.c |   43 +++++++++++++++++++++++--------------------
 1 files changed, 23 insertions(+), 20 deletions(-)

diff --git a/src/libvirt-domain.c b/src/libvirt-domain.c
index 1a00485..07e342f 100644
--- a/src/libvirt-domain.c
+++ b/src/libvirt-domain.c
@@ -3293,14 +3293,33 @@ virDomainMigrateVersion3Params(virDomainPtr domain,
 }
 
 static int
+virDomainMigrateCheckNotLocal(const char *dconnuri)
+{
+    virURIPtr tempuri = NULL;
+    int ret = -1;
+
+    if (!(tempuri = virURIParse(dconnuri)))
+        goto cleanup;
+    if (!tempuri->server || STRPREFIX(tempuri->server, "localhost")) {
+        virReportInvalidArg(dconnuri, "%s",
+                            _("Attempt to migrate guest to the same host %s"));
+        goto cleanup;
+    }
+
+    ret = 0;
+ cleanup:
+
+    virURIFree(tempuri);
+    return ret;
+}
+
+static int
 virDomainMigratePeer2PeerParams(virDomainPtr domain,
                                 const char *dconnuri,
                                 virTypedParameterPtr params,
                                 int nparams,
                                 unsigned int flags)
 {
-    virURIPtr tempuri = NULL;
-
     VIR_DOMAIN_DEBUG(domain, "dconnuri=%s, params=%p, nparams=%d, flags=%x",
                      dconnuri, params, nparams, flags);
     VIR_TYPED_PARAMS_DEBUG(params, nparams);
@@ -3310,15 +3329,8 @@ virDomainMigratePeer2PeerParams(virDomainPtr domain,
         return -1;
     }
 
-    if (!(tempuri = virURIParse(dconnuri)))
+    if (virDomainMigrateCheckNotLocal(dconnuri) < 0)
         return -1;
-    if (!tempuri->server || STRPREFIX(tempuri->server, "localhost")) {
-        virReportInvalidArg(dconnuri, "%s",
-                            _("unable to parse server from dconnuri"));
-        virURIFree(tempuri);
-        return -1;
-    }
-    virURIFree(tempuri);
 
     VIR_DEBUG("Using migration protocol 3 with extensible parameters");
     return domain->conn->driver->domainMigratePerform3Params
@@ -3335,8 +3347,6 @@ virDomainMigratePeer2PeerPlain(virDomainPtr domain,
                                const char *uri,
                                unsigned long long bandwidth)
 {
-    virURIPtr tempuri = NULL;
-
     VIR_DOMAIN_DEBUG(domain,
                      "dconnuri=%s, xmlin=%s, dname=%s, uri=%s, bandwidth=%llu "
                      "flags=%x",
@@ -3349,15 +3359,8 @@ virDomainMigratePeer2PeerPlain(virDomainPtr domain,
         return -1;
     }
 
-    if (!(tempuri = virURIParse(dconnuri)))
-        return -1;
-    if (!tempuri->server || STRPREFIX(tempuri->server, "localhost")) {
-        virReportInvalidArg(dconnuri, "%s",
-                            _("unable to parse server from dconnuri"));
-        virURIFree(tempuri);
+    if (virDomainMigrateCheckNotLocal(dconnuri) < 0)
         return -1;
-    }
-    virURIFree(tempuri);
 
     if (VIR_DRV_SUPPORTS_FEATURE(domain->conn->driver, domain->conn,
                                         VIR_DRV_FEATURE_MIGRATION_V3)) {
-- 
1.7.1