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pim6d: add skeleton for IPv6 PIM daemon
This newborn pim6d is essentially an empty husk, but it does build without warnings or errors and has the build system integration prepared and working. Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
This commit is contained in:
David Lamparter
parent
0064d4736d
commit
10fe382b13
7
pimd/.gitignore
vendored
7
pimd/.gitignore
vendored
@ -1,3 +1,4 @@
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pimd
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mtracebis
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test_igmpv3_join
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/pimd
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/pim6d
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/mtracebis
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/test_igmpv3_join
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214
pimd/pim6_main.c
Normal file
214
pimd/pim6_main.c
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@ -0,0 +1,214 @@
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/*
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* PIMv6 main()
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* Copyright (C) 2021 David Lamparter for NetDEF, Inc.
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* Copyright (C) 2008 Everton da Silva Marques (pim_main.c)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <zebra.h>
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#include "lib/vrf.h"
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#include "lib/filter.h"
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#include "lib/plist.h"
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#include "lib/routemap.h"
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#include "lib/routing_nb.h"
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#include "lib/privs.h"
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#include "lib/sigevent.h"
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#include "lib/libfrr.h"
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#include "lib/version.h"
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#include "pimd.h"
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#include "pim_instance.h"
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#include "pim_errors.h"
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#include "pim_iface.h"
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#include "pim_zebra.h"
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zebra_capabilities_t _caps_p[] = {
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ZCAP_SYS_ADMIN,
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ZCAP_NET_ADMIN,
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ZCAP_NET_RAW,
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ZCAP_BIND,
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};
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/* pimd privileges to run with */
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struct zebra_privs_t pimd_privs = {
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#if defined(FRR_USER) && defined(FRR_GROUP)
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.user = FRR_USER,
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.group = FRR_GROUP,
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#endif
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#ifdef VTY_GROUP
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.vty_group = VTY_GROUP,
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#endif
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.caps_p = _caps_p,
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.cap_num_p = array_size(_caps_p),
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.cap_num_i = 0,
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};
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static void pim6_terminate(void);
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static void pim6_sighup(void)
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{
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zlog_info("SIGHUP received, ignoring");
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}
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static void pim6_sigint(void)
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{
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zlog_notice("Terminating on signal SIGINT");
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pim6_terminate();
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exit(1);
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}
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static void pim6_sigterm(void)
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{
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zlog_notice("Terminating on signal SIGTERM");
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pim6_terminate();
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exit(1);
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}
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static void pim6_sigusr1(void)
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{
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zlog_rotate();
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}
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struct frr_signal_t pim6d_signals[] = {
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{
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.signal = SIGHUP,
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.handler = &pim6_sighup,
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},
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{
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.signal = SIGUSR1,
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.handler = &pim6_sigusr1,
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},
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{
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.signal = SIGINT,
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.handler = &pim6_sigint,
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},
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{
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.signal = SIGTERM,
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.handler = &pim6_sigterm,
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},
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};
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static const struct frr_yang_module_info *const pim6d_yang_modules[] = {
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&frr_filter_info,
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&frr_interface_info,
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&frr_route_map_info,
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&frr_vrf_info,
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&frr_routing_info,
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};
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/* clang-format off */
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FRR_DAEMON_INFO(pim6d, PIM6,
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.vty_port = 0,
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.flags = FRR_NO_SPLIT_CONFIG,
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.proghelp = "Protocol Independent Multicast (RFC7761) for IPv6",
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.signals = pim6d_signals,
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.n_signals = array_size(pim6d_signals),
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.privs = &pimd_privs,
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.yang_modules = pim6d_yang_modules,
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.n_yang_modules = array_size(pim6d_yang_modules),
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);
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/* clang-format on */
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int main(int argc, char **argv, char **envp)
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{
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static struct option longopts[] = {
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{},
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};
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frr_preinit(&pim6d_di, argc, argv);
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frr_opt_add("", longopts, "");
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/* this while just reads the options */
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while (1) {
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int opt;
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opt = frr_getopt(argc, argv, NULL);
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if (opt == EOF)
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break;
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switch (opt) {
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case 0:
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break;
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default:
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frr_help_exit(1);
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}
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}
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pim_router_init();
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/* TODO PIM6: temporary enable all debugs, remove later in PIMv6 work */
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router->debugs = ~0U;
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access_list_init();
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prefix_list_init();
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/*
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* Initializations
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*/
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pim_error_init();
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pim_vrf_init();
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#if 0
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prefix_list_add_hook(pim_prefix_list_update);
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prefix_list_delete_hook(pim_prefix_list_update);
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pim_route_map_init();
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pim_init();
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#endif
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/*
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* Initialize zclient "update" and "lookup" sockets
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*/
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if_zapi_callbacks(pim_ifp_create, pim_ifp_up,
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pim_ifp_down, pim_ifp_destroy);
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/* TODO PIM6: next line is temporary since pim_cmd_init is disabled */
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if_cmd_init(NULL);
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#if 0
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pim_zebra_init();
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pim_bfd_init();
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pim_mlag_init();
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hook_register(routing_conf_event,
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routing_control_plane_protocols_name_validate);
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routing_control_plane_protocols_register_vrf_dependency();
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#endif
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frr_config_fork();
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frr_run(router->master);
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/* never reached */
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return 0;
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}
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static void pim6_terminate(void)
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{
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pim_vrf_terminate();
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pim_router_terminate();
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prefix_list_reset();
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access_list_reset();
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frr_fini();
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}
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@ -115,7 +115,6 @@ void pim_router_init(void)
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void pim_router_terminate(void)
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{
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pim_mlag_terminate();
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XFREE(MTYPE_ROUTER, router);
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}
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@ -155,6 +154,7 @@ void pim_terminate(void)
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}
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pim_free();
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pim_mlag_terminate();
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pim_router_terminate();
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frr_fini();
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@ -12,7 +12,7 @@ man8 += $(MANBUILD)/frr-pimd.8
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man8 += $(MANBUILD)/mtracebis.8
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endif
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pimd_pimd_SOURCES = \
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pim_common = \
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pimd/pim_assert.c \
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pimd/pim_bfd.c \
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pimd/pim_br.c \
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@ -32,7 +32,6 @@ pimd_pimd_SOURCES = \
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pimd/pim_join.c \
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pimd/pim_jp_agg.c \
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pimd/pim_macro.c \
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pimd/pim_main.c \
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pimd/pim_memory.c \
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pimd/pim_mlag.c \
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pimd/pim_mroute.c \
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@ -50,7 +49,6 @@ pimd_pimd_SOURCES = \
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pimd/pim_routemap.c \
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pimd/pim_rp.c \
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pimd/pim_rpf.c \
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pimd/pim_signals.c \
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pimd/pim_sock.c \
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pimd/pim_ssm.c \
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pimd/pim_ssmpingd.c \
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@ -68,12 +66,26 @@ pimd_pimd_SOURCES = \
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pimd/pimd.c \
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# end
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pimd_pimd_SOURCES = \
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$(pim_common) \
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pimd/pim_main.c \
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pimd/pim_signals.c \
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# end
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nodist_pimd_pimd_SOURCES = \
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yang/frr-pim.yang.c \
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yang/frr-pim-rp.yang.c \
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yang/frr-igmp.yang.c \
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# end
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pimd_pim6d_SOURCES = \
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$(pim_common) \
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pimd/pim6_main.c \
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# end
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nodist_pimd_pim6d_SOURCES = \
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# end
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noinst_HEADERS += \
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pimd/pim_assert.h \
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pimd/pim_bfd.h \
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@ -134,12 +146,26 @@ clippy_scan += \
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pimd/pim_cmd.c \
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# end
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pimd_pimd_CFLAGS = $(AM_CFLAGS) -DPIM_IPV=4
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pimd_pimd_LDADD = lib/libfrr.la $(LIBCAP)
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if PIMD
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if DEV_BUILD
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#
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# pim6d is only enabled for --enable-dev-build, and NOT installed currently
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# (change noinst_ to sbin_ below to install it.)
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#
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noinst_PROGRAMS += pimd/pim6d
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pimd_pim6d_CFLAGS = $(AM_CFLAGS) -DPIM_IPV=6
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pimd_pim6d_LDADD = lib/libfrr.la $(LIBCAP)
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endif
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endif
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pimd_test_igmpv3_join_LDADD = lib/libfrr.la
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pimd_test_igmpv3_join_SOURCES = pimd/test_igmpv3_join.c
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pimd_mtracebis_LDADD = lib/libfrr.la
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pimd_mtracebis_CFLAGS = $(AM_CFLAGS) -DPIM_IPV=4
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pimd_mtracebis_SOURCES = pimd/mtracebis.c \
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pimd/mtracebis_netlink.c \
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pimd/mtracebis_routeget.c \
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