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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* January 29 2024, Christian Hopps <chopps@labn.net>
*
* Copyright (c) 2024, LabN Consulting, L.L.C.
*
*/
#include <zebra.h>
#include <lib/version.h>
#include "darr.h"
#include "libfrr.h"
#include "mgmt_be_client.h"
#include "northbound.h"
/* ---------------- */
/* Local Prototypes */
/* ---------------- */
static void async_notification(struct nb_cb_notify_args *args);
static int rpc_callback(struct nb_cb_rpc_args *args);
static void sigusr1(void);
static void sigint(void);
/* ----------- */
/* Global Data */
/* ----------- */
/* privileges */
static zebra_capabilities_t _caps_p[] = {};
struct zebra_privs_t __privs = {
#if defined(FRR_USER) && defined(FRR_GROUP)
.user = FRR_USER,
.group = FRR_GROUP,
#endif
#ifdef VTY_GROUP
.vty_group = VTY_GROUP,
#endif
.caps_p = _caps_p,
.cap_num_p = array_size(_caps_p),
.cap_num_i = 0,
};
#define OPTION_LISTEN 2000
#define OPTION_NOTIF_COUNT 2001
#define OPTION_TIMEOUT 2002
const struct option longopts[] = {
{ "listen", no_argument, NULL, OPTION_LISTEN },
{ "notif-count", required_argument, NULL, OPTION_NOTIF_COUNT },
{ "timeout", required_argument, NULL, OPTION_TIMEOUT },
{ 0 }
};
/* Master of threads. */
struct event_loop *master;
struct mgmt_be_client *mgmt_be_client;
static struct frr_daemon_info mgmtd_testc_di;
struct frr_signal_t __signals[] = {
{
.signal = SIGUSR1,
.handler = &sigusr1,
},
{
.signal = SIGINT,
.handler = &sigint,
},
{
.signal = SIGTERM,
.handler = &sigint,
},
};
#define MGMTD_TESTC_VTY_PORT 2624
/* clang-format off */
static const struct frr_yang_module_info frr_ripd_info = {
.name = "frr-ripd",
.ignore_cfg_cbs = true,
.nodes = {
{
.xpath = "/frr-ripd:authentication-failure",
.cbs.notify = async_notification,
},
{
.xpath = "/frr-ripd:clear-rip-route",
.cbs.rpc = rpc_callback,
},
{
.xpath = NULL,
}
}
};
static const struct frr_yang_module_info *const mgmt_yang_modules[] = {
&frr_ripd_info,
};
FRR_DAEMON_INFO(mgmtd_testc, MGMTD_TESTC,
.proghelp = "FRR Management Daemon Test Client.",
.signals = __signals,
.n_signals = array_size(__signals),
.privs = &__privs,
.yang_modules = mgmt_yang_modules,
.n_yang_modules = array_size(mgmt_yang_modules),
/* avoid libfrr trying to read our config file for us */
.flags = FRR_MANUAL_VTY_START,
);
/* clang-format on */
const char **__notif_xpaths;
const char **__rpc_xpaths;
struct mgmt_be_client_cbs __client_cbs = {};
struct event *event_timeout;
int o_notif_count = 1;
int o_timeout;
/* --------- */
/* Functions */
/* --------- */
static void sigusr1(void)
{
zlog_rotate();
}
static void quit(int exit_code)
{
EVENT_OFF(event_timeout);
darr_free(__client_cbs.notif_xpaths);
darr_free(__client_cbs.rpc_xpaths);
frr_fini();
exit(exit_code);
}
static void sigint(void)
{
zlog_notice("Terminating on signal");
quit(0);
}
static void timeout(struct event *event)
{
zlog_notice("Timeout, exiting");
quit(1);
}
static void success(struct event *event)
{
zlog_notice("Success, exiting");
quit(0);
}
static void async_notification(struct nb_cb_notify_args *args)
{
zlog_notice("Received YANG notification");
printf("{\"frr-ripd:authentication-failure\": {\"interface-name\": \"%s\"}}\n",
yang_dnode_get_string(args->dnode, "interface-name"));
if (o_notif_count && !--o_notif_count)
quit(0);
}
static int rpc_callback(struct nb_cb_rpc_args *args)
{
const char *vrf = NULL;
zlog_notice("Received YANG RPC");
if (yang_dnode_exists(args->input, "vrf"))
vrf = yang_dnode_get_string(args->input, "vrf");
printf("{\"frr-ripd:clear-rip-route\": {\"vrf\": \"%s\"}}\n", vrf);
event_cancel(&event_timeout);
event_add_timer(master, success, NULL, 1, NULL);
return 0;
}
int main(int argc, char **argv)
{
int f_listen = 0;
int i;
frr_preinit(&mgmtd_testc_di, argc, argv);
frr_opt_add("", longopts, "");
while (1) {
int opt;
opt = frr_getopt(argc, argv, NULL);
if (opt == EOF)
break;
switch (opt) {
case OPTION_LISTEN:
f_listen = 1;
break;
case OPTION_NOTIF_COUNT:
o_notif_count = atoi(optarg);
break;
case OPTION_TIMEOUT:
o_timeout = atoi(optarg);
break;
case 0:
break;
default:
frr_help_exit(1);
}
}
master = frr_init();
/*
* Setup notification listen
*/
argv += optind;
argc -= optind;
if (!argc && f_listen) {
fprintf(stderr,
"Must specify at least one notification xpath to listen to\n");
exit(1);
}
if (argc && f_listen) {
for (i = 0; i < argc; i++) {
zlog_notice("Listen on xpath: %s", argv[i]);
darr_push(__notif_xpaths, argv[i]);
}
__client_cbs.notif_xpaths = __notif_xpaths;
__client_cbs.nnotif_xpaths = darr_len(__notif_xpaths);
}
darr_push(__rpc_xpaths, "/frr-ripd:clear-rip-route");
__client_cbs.rpc_xpaths = __rpc_xpaths;
__client_cbs.nrpc_xpaths = darr_len(__rpc_xpaths);
mgmt_be_client = mgmt_be_client_create("mgmtd-testc", &__client_cbs, 0,
master);
frr_config_fork();
if (o_timeout)
event_add_timer(master, timeout, NULL, o_timeout, &event_timeout);
frr_run(master);
/* Reached. */
return 0;
}
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