net: Move creation of dnsmasq hosts file to function starting dnsmasq

The hosts file was created in the network definition function. This
patch moves the place the file is being created to the point where
dnsmasq is being started.

diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 6f9fcdadd22952b60fa567c11c8da175acce34ae..3b2b505147297311c986096f49808bc64400a1bb 100644 (file)
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -846,6 +846,8 @@ networkStartDhcpDaemon(virNetworkObjPtr network)
     char *pidfile = NULL;
     int ret = -1;
     dnsmasqContext *dctx = NULL;
+    virNetworkIpDefPtr ipdef;
+    int i;
 
     if (!virNetworkDefGetIpByIndex(network->def, AF_UNSPEC, 0)) {
         /* no IPv6 addresses, so we don't need to run radvd */
@@ -886,6 +888,18 @@ networkStartDhcpDaemon(virNetworkObjPtr network)
     if (ret < 0)
         goto cleanup;
 
+    /* populate dnsmasq hosts file */
+    for (i = 0; (ipdef = virNetworkDefGetIpByIndex(network->def, AF_UNSPEC, i)); i++) {
+        if (VIR_SOCKET_ADDR_IS_FAMILY(&ipdef->address, AF_INET) &&
+            (ipdef->nranges || ipdef->nhosts)) {
+            if (networkBuildDnsmasqHostsfile(dctx, ipdef,
+                                             network->def->dns) < 0)
+                goto cleanup;
+
+            break;
+        }
+    }
+
     ret = dnsmasqSave(dctx);
     if (ret < 0)
         goto cleanup;
@@ -2742,7 +2756,6 @@ static virNetworkPtr networkDefine(virConnectPtr conn, const char *xml) {
     virNetworkObjPtr network = NULL;
     virNetworkPtr ret = NULL;
     int ii;
-    dnsmasqContext* dctx = NULL;
 
     networkDriverLock(driver);
 
@@ -2799,21 +2812,12 @@ static virNetworkPtr networkDefine(virConnectPtr conn, const char *xml) {
         goto cleanup;
     }
 
-    if (ipv4def) {
-        dctx = dnsmasqContextNew(def->name, DNSMASQ_STATE_DIR);
-        if (dctx == NULL ||
-            networkBuildDnsmasqHostsfile(dctx, ipv4def, def->dns) < 0 ||
-            dnsmasqSave(dctx) < 0)
-            goto cleanup;
-    }
-
     VIR_INFO("Defining network '%s'", def->name);
     ret = virGetNetwork(conn, def->name, def->uuid);
 
 cleanup:
     if (freeDef)
        virNetworkDefFree(def);
-    dnsmasqContextFree(dctx);
     if (network)
         virNetworkObjUnlock(network);
     networkDriverUnlock(driver);