[PATCH] bridge_driver: Introduce networkObjFromNetwork

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Similarly to qemu_driver.c, we can join often repeating code of looking
up network into one function: networkObjFromNetwork.

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/network/bridge_driver.c | 76 ++++++++++++++++++---------------------------
 1 file changed, 31 insertions(+), 45 deletions(-)

diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 62ae0b7..3a8be90 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -112,6 +112,27 @@ static int networkUnplugBandwidth(virNetworkObjPtr net,
 
 static virNetworkDriverStatePtr driverState = NULL;
 
+static virNetworkObjPtr
+networkObjFromNetwork(virNetworkPtr net)
+{
+    virNetworkDriverStatePtr driver = net->conn->networkPrivateData;
+    virNetworkObjPtr network;
+    char uuidstr[VIR_UUID_STRING_BUFLEN];
+
+    networkDriverLock(driver);
+    network = virNetworkFindByUUID(&driver->networks, net->uuid);
+    networkDriverUnlock(driver);
+
+    if (!network) {
+        virUUIDFormat(net->uuid, uuidstr);
+        virReportError(VIR_ERR_NO_NETWORK,
+                       _("no network with matching uuid '%s' (%s)"),
+                       uuidstr, net->name);
+    }
+
+    return network;
+}
+
 static char *
 networkDnsmasqLeaseFileNameDefault(const char *netname)
 {
@@ -2260,20 +2281,14 @@ cleanup:
 
 static int networkIsActive(virNetworkPtr net)
 {
-    virNetworkDriverStatePtr driver = net->conn->networkPrivateData;
     virNetworkObjPtr obj;
     int ret = -1;
 
-    networkDriverLock(driver);
-    obj = virNetworkFindByUUID(&driver->networks, net->uuid);
-    networkDriverUnlock(driver);
-    if (!obj) {
-        virReportError(VIR_ERR_NO_NETWORK, NULL);
-        goto cleanup;
-    }
+    if (!(obj = networkObjFromNetwork(net)))
+        return ret;
 
     if (virNetworkIsActiveEnsureACL(net->conn, obj->def) < 0)
         goto cleanup;
 
     ret = virNetworkObjIsActive(obj);
 
@@ -2285,20 +2300,14 @@ cleanup:
 
 static int networkIsPersistent(virNetworkPtr net)
 {
-    virNetworkDriverStatePtr driver = net->conn->networkPrivateData;
     virNetworkObjPtr obj;
     int ret = -1;
 
-    networkDriverLock(driver);
-    obj = virNetworkFindByUUID(&driver->networks, net->uuid);
-    networkDriverUnlock(driver);
-    if (!obj) {
-        virReportError(VIR_ERR_NO_NETWORK, NULL);
-        goto cleanup;
-    }
+    if (!(obj = networkObjFromNetwork(net)))
+        return ret;
 
     if (virNetworkIsPersistentEnsureACL(net->conn, obj->def) < 0)
         goto cleanup;
 
     ret = obj->persistent;
 
@@ -2832,30 +2841,22 @@ cleanup:
 static char *networkGetXMLDesc(virNetworkPtr net,
                                unsigned int flags)
 {
-    virNetworkDriverStatePtr driver = net->conn->networkPrivateData;
     virNetworkObjPtr network;
     virNetworkDefPtr def;
     char *ret = NULL;
 
     virCheckFlags(VIR_NETWORK_XML_INACTIVE, NULL);
 
-    networkDriverLock(driver);
-    network = virNetworkFindByUUID(&driver->networks, net->uuid);
-    networkDriverUnlock(driver);
-
-    if (!network) {
-        virReportError(VIR_ERR_NO_NETWORK,
-                       "%s", _("no network with matching uuid"));
-        goto cleanup;
-    }
+    if (!(network = networkObjFromNetwork(net)))
+        return ret;
 
     if (virNetworkGetXMLDescEnsureACL(net->conn, network->def) < 0)
         goto cleanup;
 
     if ((flags & VIR_NETWORK_XML_INACTIVE) && network->newDef)
         def = network->newDef;
     else
         def = network->def;
 
     ret = virNetworkDefFormat(def, flags);
 
@@ -2866,29 +2867,21 @@ cleanup:
 }
 
 static char *networkGetBridgeName(virNetworkPtr net) {
-    virNetworkDriverStatePtr driver = net->conn->networkPrivateData;
     virNetworkObjPtr network;
     char *bridge = NULL;
 
-    networkDriverLock(driver);
-    network = virNetworkFindByUUID(&driver->networks, net->uuid);
-    networkDriverUnlock(driver);
-
-    if (!network) {
-        virReportError(VIR_ERR_NO_NETWORK,
-                       "%s", _("no network with matching id"));
-        goto cleanup;
-    }
+    if (!(network = networkObjFromNetwork(net)))
+        return bridge;
 
     if (virNetworkGetBridgeNameEnsureACL(net->conn, network->def) < 0)
         goto cleanup;
 
     if (!(network->def->bridge)) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("network '%s' does not have a bridge name."),
                        network->def->name);
         goto cleanup;
     }
 
     ignore_value(VIR_STRDUP(bridge, network->def->bridge));
 
@@ -2900,22 +2893,15 @@ cleanup:
 
 static int networkGetAutostart(virNetworkPtr net,
                              int *autostart) {
-    virNetworkDriverStatePtr driver = net->conn->networkPrivateData;
     virNetworkObjPtr network;
     int ret = -1;
 
-    networkDriverLock(driver);
-    network = virNetworkFindByUUID(&driver->networks, net->uuid);
-    networkDriverUnlock(driver);
-    if (!network) {
-        virReportError(VIR_ERR_NO_NETWORK,
-                       "%s", _("no network with matching uuid"));
-        goto cleanup;
-    }
+    if (!(network = networkObjFromNetwork(net)))
+        return ret;
 
     if (virNetworkGetAutostartEnsureACL(net->conn, network->def) < 0)
         goto cleanup;
 
     *autostart = network->autostart;
     ret = 0;
 
-- 
1.8.1.5

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