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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 <[email protected]>
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,4 @@ | ||
| pimd | ||
| mtracebis | ||
| test_igmpv3_join | ||
| /pimd | ||
| /pim6d | ||
| /mtracebis | ||
| /test_igmpv3_join |
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * PIMv6 main() | ||
| * Copyright (C) 2021 David Lamparter for NetDEF, Inc. | ||
| * Copyright (C) 2008 Everton da Silva Marques (pim_main.c) | ||
| * | ||
| * 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. | ||
| * | ||
| * 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. | ||
| * | ||
| * 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 | ||
| */ | ||
|
|
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| #include <zebra.h> | ||
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| #include "lib/vrf.h" | ||
| #include "lib/filter.h" | ||
| #include "lib/plist.h" | ||
| #include "lib/routemap.h" | ||
| #include "lib/routing_nb.h" | ||
|
|
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| #include "lib/privs.h" | ||
| #include "lib/sigevent.h" | ||
| #include "lib/libfrr.h" | ||
| #include "lib/version.h" | ||
|
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||
| #include "pimd.h" | ||
| #include "pim_instance.h" | ||
| #include "pim_errors.h" | ||
| #include "pim_iface.h" | ||
| #include "pim_zebra.h" | ||
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| zebra_capabilities_t _caps_p[] = { | ||
| ZCAP_SYS_ADMIN, | ||
| ZCAP_NET_ADMIN, | ||
| ZCAP_NET_RAW, | ||
| ZCAP_BIND, | ||
| }; | ||
|
|
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| /* pimd privileges to run with */ | ||
| struct zebra_privs_t pimd_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, | ||
| }; | ||
|
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||
| static void pim6_terminate(void); | ||
|
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| static void pim6_sighup(void) | ||
| { | ||
| zlog_info("SIGHUP received, ignoring"); | ||
| } | ||
|
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| static void pim6_sigint(void) | ||
| { | ||
| zlog_notice("Terminating on signal SIGINT"); | ||
| pim6_terminate(); | ||
| exit(1); | ||
| } | ||
|
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| static void pim6_sigterm(void) | ||
| { | ||
| zlog_notice("Terminating on signal SIGTERM"); | ||
| pim6_terminate(); | ||
| exit(1); | ||
| } | ||
|
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| static void pim6_sigusr1(void) | ||
| { | ||
| zlog_rotate(); | ||
| } | ||
|
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| struct frr_signal_t pim6d_signals[] = { | ||
| { | ||
| .signal = SIGHUP, | ||
| .handler = &pim6_sighup, | ||
| }, | ||
| { | ||
| .signal = SIGUSR1, | ||
| .handler = &pim6_sigusr1, | ||
| }, | ||
| { | ||
| .signal = SIGINT, | ||
| .handler = &pim6_sigint, | ||
| }, | ||
| { | ||
| .signal = SIGTERM, | ||
| .handler = &pim6_sigterm, | ||
| }, | ||
| }; | ||
|
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| static const struct frr_yang_module_info *const pim6d_yang_modules[] = { | ||
| &frr_filter_info, | ||
| &frr_interface_info, | ||
| &frr_route_map_info, | ||
| &frr_vrf_info, | ||
| &frr_routing_info, | ||
| }; | ||
|
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||
| /* clang-format off */ | ||
| FRR_DAEMON_INFO(pim6d, PIM6, | ||
| .vty_port = 0, | ||
| .flags = FRR_NO_SPLIT_CONFIG, | ||
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| .proghelp = "Protocol Independent Multicast (RFC7761) for IPv6", | ||
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| .signals = pim6d_signals, | ||
| .n_signals = array_size(pim6d_signals), | ||
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| .privs = &pimd_privs, | ||
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| .yang_modules = pim6d_yang_modules, | ||
| .n_yang_modules = array_size(pim6d_yang_modules), | ||
| ); | ||
| /* clang-format on */ | ||
|
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| int main(int argc, char **argv, char **envp) | ||
| { | ||
| static struct option longopts[] = { | ||
| {}, | ||
| }; | ||
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| frr_preinit(&pim6d_di, argc, argv); | ||
| frr_opt_add("", longopts, ""); | ||
|
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| /* this while just reads the options */ | ||
| while (1) { | ||
| int opt; | ||
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| opt = frr_getopt(argc, argv, NULL); | ||
|
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| if (opt == EOF) | ||
| break; | ||
|
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| switch (opt) { | ||
| case 0: | ||
| break; | ||
| default: | ||
| frr_help_exit(1); | ||
| } | ||
| } | ||
|
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| pim_router_init(); | ||
| /* TODO PIM6: temporary enable all debugs, remove later in PIMv6 work */ | ||
| router->debugs = ~0U; | ||
|
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| access_list_init(); | ||
| prefix_list_init(); | ||
|
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| /* | ||
| * Initializations | ||
| */ | ||
| pim_error_init(); | ||
| pim_vrf_init(); | ||
| #if 0 | ||
| prefix_list_add_hook(pim_prefix_list_update); | ||
| prefix_list_delete_hook(pim_prefix_list_update); | ||
|
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| pim_route_map_init(); | ||
| pim_init(); | ||
| #endif | ||
|
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| /* | ||
| * Initialize zclient "update" and "lookup" sockets | ||
| */ | ||
| if_zapi_callbacks(pim_ifp_create, pim_ifp_up, | ||
| pim_ifp_down, pim_ifp_destroy); | ||
|
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| /* TODO PIM6: next line is temporary since pim_cmd_init is disabled */ | ||
| if_cmd_init(NULL); | ||
|
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| #if 0 | ||
| pim_zebra_init(); | ||
| pim_bfd_init(); | ||
| pim_mlag_init(); | ||
|
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| hook_register(routing_conf_event, | ||
| routing_control_plane_protocols_name_validate); | ||
|
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| routing_control_plane_protocols_register_vrf_dependency(); | ||
| #endif | ||
|
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| frr_config_fork(); | ||
| frr_run(router->master); | ||
|
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| /* never reached */ | ||
| return 0; | ||
| } | ||
|
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| static void pim6_terminate(void) | ||
| { | ||
| pim_vrf_terminate(); | ||
| pim_router_terminate(); | ||
|
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| prefix_list_reset(); | ||
| access_list_reset(); | ||
|
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||
| frr_fini(); | ||
| } |
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