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-rw-r--r--pbrd/pbr_main.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/pbrd/pbr_main.c b/pbrd/pbr_main.c
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+++ b/pbrd/pbr_main.c
@@ -0,0 +1,186 @@
+/*
+ * PBR - main code
+ * Copyright (C) 2018 Cumulus Networks, Inc.
+ * Donald Sharp
+ *
+ * FRR 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, or (at your option) any
+ * later version.
+ *
+ * FRR 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <zebra.h>
+
+#include <lib/version.h>
+#include "getopt.h"
+#include "thread.h"
+#include "prefix.h"
+#include "linklist.h"
+#include "if.h"
+#include "vector.h"
+#include "vty.h"
+#include "command.h"
+#include "filter.h"
+#include "plist.h"
+#include "stream.h"
+#include "log.h"
+#include "memory.h"
+#include "privs.h"
+#include "sigevent.h"
+#include "zclient.h"
+#include "keychain.h"
+#include "distribute.h"
+#include "libfrr.h"
+#include "routemap.h"
+#include "nexthop.h"
+#include "nexthop_group.h"
+
+#include "pbr_nht.h"
+#include "pbr_map.h"
+#include "pbr_zebra.h"
+#include "pbr_vty.h"
+#include "pbr_debug.h"
+#include "pbr_vrf.h"
+
+zebra_capabilities_t _caps_p[] = {
+ ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN,
+};
+
+struct zebra_privs_t pbr_privs = {
+#if defined(FRR_USER) && defined(FRR_GROUP)
+ .user = FRR_USER,
+ .group = FRR_GROUP,
+#endif
+#if defined(VTY_GROUP)
+ .vty_group = VTY_GROUP,
+#endif
+ .caps_p = _caps_p,
+ .cap_num_p = array_size(_caps_p),
+ .cap_num_i = 0};
+
+struct option longopts[] = { { 0 } };
+
+/* Master of threads. */
+struct thread_master *master;
+
+/* SIGHUP handler. */
+static void sighup(void)
+{
+ zlog_info("SIGHUP received");
+}
+
+/* SIGINT / SIGTERM handler. */
+static void sigint(void)
+{
+ zlog_notice("Terminating on signal");
+
+ pbr_vrf_terminate();
+
+ frr_fini();
+
+ exit(0);
+}
+
+/* SIGUSR1 handler. */
+static void sigusr1(void)
+{
+ zlog_rotate();
+}
+
+struct frr_signal_t pbr_signals[] = {
+ {
+ .signal = SIGHUP,
+ .handler = &sighup,
+ },
+ {
+ .signal = SIGUSR1,
+ .handler = &sigusr1,
+ },
+ {
+ .signal = SIGINT,
+ .handler = &sigint,
+ },
+ {
+ .signal = SIGTERM,
+ .handler = &sigint,
+ },
+};
+
+#define PBR_VTY_PORT 2615
+
+static const struct frr_yang_module_info *const pbrd_yang_modules[] = {
+ &frr_filter_info,
+ &frr_interface_info,
+ &frr_vrf_info,
+};
+
+FRR_DAEMON_INFO(pbrd, PBR, .vty_port = PBR_VTY_PORT,
+
+ .proghelp = "Implementation of PBR.",
+
+ .signals = pbr_signals,
+ .n_signals = array_size(pbr_signals),
+
+ .privs = &pbr_privs,
+
+ .yang_modules = pbrd_yang_modules,
+ .n_yang_modules = array_size(pbrd_yang_modules),
+);
+
+int main(int argc, char **argv, char **envp)
+{
+ frr_preinit(&pbrd_di, argc, argv);
+ frr_opt_add("", longopts, "");
+
+ while (1) {
+ int opt;
+
+ opt = frr_getopt(argc, argv, NULL);
+
+ if (opt == EOF)
+ break;
+
+ switch (opt) {
+ case 0:
+ break;
+ default:
+ frr_help_exit(1);
+ }
+ }
+
+ master = frr_init();
+
+ pbr_debug_init();
+
+ nexthop_group_init(pbr_nhgroup_add_cb,
+ pbr_nhgroup_add_nexthop_cb,
+ pbr_nhgroup_del_nexthop_cb,
+ pbr_nhgroup_delete_cb);
+
+ /*
+ * So we safely ignore these commands since
+ * we are getting them at this point in time
+ */
+ access_list_init();
+ pbr_nht_init();
+ pbr_map_init();
+ if_zapi_callbacks(pbr_ifp_create, pbr_ifp_up,
+ pbr_ifp_down, pbr_ifp_destroy);
+ pbr_zebra_init();
+ pbr_vrf_init();
+ pbr_vty_init();
+
+ frr_config_fork();
+ frr_run(master);
+
+ /* Not reached. */
+ return 0;
+}