[Qemu-devel] [PATCH 6/7] monitor: Add host_net_remove arguments completion.

[Hani Benhabiles <kroosec@gmail.com>]

Relies on readline unique completion strings patch to make the added vlan/hub
completion values unique, instead of using something like a hash table.

Signed-off-by: Hani Benhabiles <hani@linux.com>
---
 hmp-commands.hx |  1 +
 hmp.h           |  2 ++
 monitor.c       | 38 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index 6aaec1b..935f744 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1227,6 +1227,7 @@ ETEXI
         .params     = "vlan_id name",
         .help       = "remove host VLAN client",
         .mhandler.cmd = net_host_device_remove,
+        .command_completion = host_net_remove_completion,
     },
 
 STEXI
diff --git a/hmp.h b/hmp.h
index 22ee836..a53ad51 100644
--- a/hmp.h
+++ b/hmp.h
@@ -110,5 +110,7 @@ void watchdog_action_completion(ReadLineState *rs, int nb_args,
 void migrate_set_capability_completion(ReadLineState *rs, int nb_args,
                                        const char *str);
 void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str);
+void host_net_remove_completion(ReadLineState *rs, int nb_args,
+                                const char *str);
 
 #endif
diff --git a/monitor.c b/monitor.c
index 365c66a..805d29f 100644
--- a/monitor.c
+++ b/monitor.c
@@ -4607,6 +4607,44 @@ void host_net_add_completion(ReadLineState *rs, int nb_args, const char *str)
     add_completion_option(rs, str, "bridge");
 }
 
+void host_net_remove_completion(ReadLineState *rs, int nb_args, const char *str)
+{
+    NetClientState *ncs[255];
+    int count, i, len;
+
+    len = strlen(str);
+    readline_set_completion_index(rs, len);
+    if (nb_args == 2) {
+        count = qemu_find_net_clients_except(NULL, ncs,
+                                             NET_CLIENT_OPTIONS_KIND_NONE, 255);
+        for (i = 0; i < count; i++) {
+            int id;
+            char name[16];
+
+            if (net_hub_id_for_client(ncs[i], &id)) {
+                continue;
+            }
+            snprintf(name, sizeof(name), "%d", id);
+            if (!strncmp(str, name, len)) {
+                readline_add_completion(rs, name);
+            }
+        }
+        return;
+    } else if (nb_args == 3) {
+        count = qemu_find_net_clients_except(NULL, ncs,
+                                             NET_CLIENT_OPTIONS_KIND_NIC, 255);
+        for (i = 0; i < count; i++) {
+            const char *name;
+
+            name = ncs[i]->name;
+            if (!strncmp(str, name, len)) {
+                readline_add_completion(rs, name);
+            }
+        }
+        return;
+    }
+}
+
 static void monitor_find_completion_by_table(Monitor *mon,
                                              const mon_cmd_t *cmd_table,
                                              char **args,
-- 
1.8.3.2