swanctl: Add a list-pools command to summarize pool status
authorMartin Willi <martin@revosec.ch>
Wed, 16 Apr 2014 10:07:14 +0000 (12:07 +0200)
committerMartin Willi <martin@revosec.ch>
Wed, 7 May 2014 13:48:15 +0000 (15:48 +0200)
src/swanctl/Makefile.am
src/swanctl/command.h
src/swanctl/commands/list_pools.c [new file with mode: 0644]

index bacd65f..1f702e1 100644 (file)
@@ -9,6 +9,7 @@ swanctl_SOURCES = \
        commands/list_pols.c \
        commands/list_conns.c \
        commands/list_certs.c \
+       commands/list_pools.c \
        commands/load_conns.c \
        commands/load_creds.c \
        commands/load_pools.c \
index fc6c82c..a394796 100644 (file)
@@ -27,7 +27,7 @@
 /**
  * Maximum number of commands (+1).
  */
-#define MAX_COMMANDS 14
+#define MAX_COMMANDS 15
 
 /**
  * Maximum number of options in a command (+3)
diff --git a/src/swanctl/commands/list_pools.c b/src/swanctl/commands/list_pools.c
new file mode 100644 (file)
index 0000000..beff65b
--- /dev/null
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <errno.h>
+
+#include "command.h"
+
+CALLBACK(list_pool, int,
+       linked_list_t *list, vici_res_t *res, char *name)
+{
+       char pool[64], leases[32];
+
+       snprintf(pool, sizeof(pool), "%s:", name);
+       snprintf(leases, sizeof(leases), "%s / %s / %s",
+               vici_find_str(res, "", "%s.online", name),
+               vici_find_str(res, "", "%s.offline", name),
+               vici_find_str(res, "", "%s.size", name));
+
+       printf("%-20s %-30s %16s\n",
+               name, vici_find_str(res, "", "%s.base", name), leases);
+
+       return 0;
+}
+
+static int list_pools(vici_conn_t *conn)
+{
+       vici_req_t *req;
+       vici_res_t *res;
+       bool raw = FALSE;
+       char *arg;
+       int ret = 0;
+
+       while (TRUE)
+       {
+               switch (command_getopt(&arg))
+               {
+                       case 'h':
+                               return command_usage(NULL);
+                       case 'r':
+                               raw = TRUE;
+                               continue;
+                       case EOF:
+                               break;
+                       default:
+                               return command_usage("invalid --list-pools option");
+               }
+               break;
+       }
+
+       req = vici_begin("get-pools");
+       res = vici_submit(req, conn);
+       if (!res)
+       {
+               fprintf(stderr, "get-pools request failed: %s\n", strerror(errno));
+               return errno;
+       }
+       if (raw)
+       {
+               vici_dump(res, "get-pools reply", stdout);
+       }
+       else
+       {
+               ret = vici_parse_cb(res, list_pool, NULL, NULL, NULL);
+       }
+       vici_free_res(res);
+       return ret;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+       command_register((command_t) {
+               list_pools, 'A', "list-pools", "list loaded pool configurations",
+               {"[--raw]"},
+               {
+                       {"help",                'h', 0, "show usage information"},
+                       {"raw",                 'r', 0, "dump raw response message"},
+               }
+       });
+}