[PATCH 22/49] list: Add helpers to list network objects

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src/conf/virobjectlist.c: Add virNetworkMatch to filter the networks;
and virNetworkList to iterate over all the networks with the filter.

src/conf/virobjectlist.h: Declare virNetworkList and define the macros
for filters.

src/libvirt_private.syms: Export virNetworkList.
---
 src/conf/virobjectlist.c |   90 ++++++++++++++++++++++++++++++++++++++++++++++
 src/conf/virobjectlist.h |   23 ++++++++++++
 src/libvirt_private.syms |    1 +
 3 files changed, 114 insertions(+), 0 deletions(-)

diff --git a/src/conf/virobjectlist.c b/src/conf/virobjectlist.c
index fb5f974..83b0d9c 100644
--- a/src/conf/virobjectlist.c
+++ b/src/conf/virobjectlist.c
@@ -191,6 +191,37 @@ virStoragePoolMatch (virStoragePoolObjPtr poolobj,
 
     return true;
 }
+
+static bool
+virNetworkMatch (virNetworkObjPtr netobj,
+                 unsigned int flags)
+{
+    /* filter by active state */
+    if (MATCH(VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE) &&
+        !((MATCH(VIR_CONNECT_LIST_NETWORKS_ACTIVE) &&
+           virNetworkObjIsActive(netobj)) ||
+          (MATCH(VIR_CONNECT_LIST_NETWORKS_INACTIVE) &&
+           !virNetworkObjIsActive(netobj))))
+        return false;
+
+    /* filter by persistence */
+    if (MATCH(VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT) &&
+        !((MATCH(VIR_CONNECT_LIST_NETWORKS_PERSISTENT) &&
+           netobj->persistent) ||
+          (MATCH(VIR_CONNECT_LIST_NETWORKS_TRANSIENT) &&
+           !netobj->persistent)))
+        return false;
+
+    /* filter by autostart option */
+    if (MATCH(VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART) &&
+        !((MATCH(VIR_CONNECT_LIST_NETWORKS_AUTOSTART) &&
+           netobj->autostart) ||
+          (MATCH(VIR_CONNECT_LIST_NETWORKS_NO_AUTOSTART) &&
+           !netobj->autostart)))
+        return false;
+
+    return true;
+}
 #undef MATCH
 
 int
@@ -340,3 +371,62 @@ cleanup:
     VIR_FREE(tmp_pools);
     return ret;
 }
+
+int
+virNetworkList(virConnectPtr conn,
+               virNetworkObjList netobjs,
+               virNetworkPtr **nets,
+               unsigned int flags)
+{
+    virNetworkPtr *tmp_nets = NULL;
+    virNetworkPtr net = NULL;
+    int nnets = 0;
+    int ret = -1;
+    int i;
+
+    if (nets) {
+        if (VIR_ALLOC_N(tmp_nets, netobjs.count + 1) < 0) {
+            virReportOOMError();
+            goto cleanup;
+        }
+    }
+
+    for (i = 0; i < netobjs.count; i++) {
+        virNetworkObjPtr netobj = netobjs.objs[i];
+        virNetworkObjLock(netobj);
+        if (virNetworkMatch(netobj, flags)) {
+            if (nets) {
+                if (!(net = virGetNetwork(conn,
+                                          netobj->def->name,
+                                          netobj->def->uuid))) {
+                    virNetworkObjUnlock(netobj);
+                    goto cleanup;
+                }
+                tmp_nets[nnets++] = net;
+            } else {
+                nnets++;
+            }
+        }
+        virNetworkObjUnlock(netobj);
+    }
+
+    if (tmp_nets) {
+        /* trim the array to the final size */
+        ignore_value(VIR_REALLOC_N(tmp_nets, nnets + 1));
+        *nets = tmp_nets;
+        tmp_nets = NULL;
+    }
+
+    ret = nnets;
+
+cleanup:
+    if (tmp_nets) {
+        for (i = 0; i < netobjs.count; i++) {
+            if (tmp_nets[i])
+                virNetworkFree(tmp_nets[i]);
+        }
+    }
+
+    VIR_FREE(tmp_nets);
+    return ret;
+}
diff --git a/src/conf/virobjectlist.h b/src/conf/virobjectlist.h
index b93cd19..431635e 100644
--- a/src/conf/virobjectlist.h
+++ b/src/conf/virobjectlist.h
@@ -28,6 +28,7 @@
 # include "virhash.h"
 # include "domain_conf.h"
 # include "storage_conf.h"
+# include "network_conf.h"
 
 # define VIR_CONNECT_LIST_DOMAINS_FILTERS_ACTIVE   \
                 (VIR_CONNECT_LIST_DOMAINS_ACTIVE | \
@@ -105,6 +106,23 @@
                  VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_AUTOSTART  | \
                  VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_POOL_TYPE)
 
+# define VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE   \
+                (VIR_CONNECT_LIST_NETWORKS_ACTIVE | \
+                 VIR_CONNECT_LIST_NETWORKS_INACTIVE)
+
+# define VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT   \
+                (VIR_CONNECT_LIST_NETWORKS_PERSISTENT | \
+                 VIR_CONNECT_LIST_NETWORKS_TRANSIENT)
+
+# define VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART    \
+                (VIR_CONNECT_LIST_NETWORKS_AUTOSTART |  \
+                 VIR_CONNECT_LIST_NETWORKS_NO_AUTOSTART)
+
+# define VIR_CONNECT_LIST_NETWORKS_FILTERS_ALL                  \
+                (VIR_CONNECT_LIST_NETWORKS_FILTERS_ACTIVE     | \
+                 VIR_CONNECT_LIST_NETWORKS_FILTERS_PERSISTENT | \
+                 VIR_CONNECT_LIST_NETWORKS_FILTERS_AUTOSTART)
+
 int virDomainList(virConnectPtr conn, virHashTablePtr domobjs,
                   virDomainPtr **domains, unsigned int flags);
 
@@ -119,4 +137,9 @@ int virStoragePoolList(virConnectPtr conn,
                        virStoragePoolPtr **pools,
                        unsigned int flags);
 
+int virNetworkList(virConnectPtr conn,
+                   virNetworkObjList netobjs,
+                   virNetworkPtr **nets,
+                   unsigned int flags);
+
 #endif /* __VIR_OBJECT_LIST_H__ */
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 18b3185..647ecf0 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -1246,6 +1246,7 @@ virDBusGetSystemBus;
 # virobjectlist.h
 virDomainList;
 virDomainListSnapshots;
+virNetworkList;
 virStoragePoolList;
 
 
-- 
1.7.7.3

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