[PATCH 12/19] virsh: Add mac completion to net-dhcp-leases command

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Signed-off-by: Lin Ma <lma@xxxxxxxx>
---
 tools/virsh-completer-network.c | 45 +++++++++++++++++++++++++++++++++
 tools/virsh-completer-network.h |  4 +++
 tools/virsh-network.c           | 15 +++++++----
 3 files changed, 59 insertions(+), 5 deletions(-)

diff --git a/tools/virsh-completer-network.c b/tools/virsh-completer-network.c
index 73f7115ab2..58bc126693 100644
--- a/tools/virsh-completer-network.c
+++ b/tools/virsh-completer-network.c
@@ -174,3 +174,48 @@ virshNetworkUUIDCompleter(vshControl *ctl,
     g_free(nets);
     return ret;
 }
+
+
+char **
+virshNetworkDhcpMacCompleter(vshControl *ctl,
+                             const vshCmd *cmd,
+                             unsigned int flags)
+{
+    virshControlPtr priv = ctl->privData;
+    virNetworkDHCPLeasePtr *leases = NULL;
+    virNetworkPtr network = NULL;
+    int nleases;
+    size_t i = 0;
+    char **ret = NULL;
+    VIR_AUTOSTRINGLIST tmp = NULL;
+
+    virCheckFlags(0, NULL);
+
+    if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
+        return NULL;
+
+    if (!(network = virshCommandOptNetwork(ctl, cmd, NULL)))
+        return NULL;
+
+    if ((nleases = virNetworkGetDHCPLeases(network, NULL, &leases, flags)) < 0) {
+        goto cleanup;
+    }
+
+    tmp = g_new0(char *, nleases + 1);
+
+    for (i = 0; i < nleases; i++) {
+        virNetworkDHCPLeasePtr lease = leases[i];
+        tmp[i] = g_strdup(lease->mac);
+    }
+
+    ret = g_steal_pointer(&tmp);
+
+ cleanup:
+    if (leases) {
+        for (i = 0; i < nleases; i++)
+            virNetworkDHCPLeaseFree(leases[i]);
+        VIR_FREE(leases);
+    }
+    virNetworkFree(network);
+    return ret;
+}
diff --git a/tools/virsh-completer-network.h b/tools/virsh-completer-network.h
index 8910e4525c..80df5c468e 100644
--- a/tools/virsh-completer-network.h
+++ b/tools/virsh-completer-network.h
@@ -37,3 +37,7 @@ char ** virshNetworkPortUUIDCompleter(vshControl *ctl,
 char ** virshNetworkUUIDCompleter(vshControl *ctl,
                                   const vshCmd *cmd,
                                   unsigned int flags);
+
+char ** virshNetworkDhcpMacCompleter(vshControl *ctl,
+                                     const vshCmd *cmd,
+                                     unsigned int flags);
diff --git a/tools/virsh-network.c b/tools/virsh-network.c
index 745afc537d..30b231f7d6 100644
--- a/tools/virsh-network.c
+++ b/tools/virsh-network.c
@@ -61,6 +61,15 @@
      .completer_flags = cflags, \
     }
 
+#define VIRSH_COMMON_OPT_NETWORK_DHCP_MAC(_helpstr, cflags) \
+    {.name = "mac", \
+     .type = VSH_OT_STRING, \
+     .flags = VSH_OFLAG_NONE, \
+     .help = _helpstr, \
+     .completer = virshNetworkDhcpMacCompleter, \
+     .completer_flags = cflags, \
+    }
+
 
 virNetworkPtr
 virshCommandOptNetworkBy(vshControl *ctl, const vshCmd *cmd,
@@ -1373,11 +1382,7 @@ static const vshCmdInfo info_network_dhcp_leases[] = {
 
 static const vshCmdOptDef opts_network_dhcp_leases[] = {
     VIRSH_COMMON_OPT_NETWORK_FULL(VIR_CONNECT_LIST_NETWORKS_ACTIVE),
-    {.name = "mac",
-     .type = VSH_OT_STRING,
-     .flags = VSH_OFLAG_NONE,
-     .help = N_("MAC address")
-    },
+    VIRSH_COMMON_OPT_NETWORK_DHCP_MAC(N_("MAC address"), 0),
     {.name = NULL}
 };
 
-- 
2.26.0





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