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e5c83d9b DS |
1 | /* |
2 | * PBR - main code | |
3 | * Copyright (C) 2018 Cumulus Networks, Inc. | |
4 | * Donald Sharp | |
5 | * | |
6 | * FRR is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * FRR is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along | |
17 | * with this program; see the file COPYING; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | #include <zebra.h> | |
21 | ||
22 | #include <lib/version.h> | |
23 | #include "getopt.h" | |
24 | #include "thread.h" | |
25 | #include "prefix.h" | |
26 | #include "linklist.h" | |
27 | #include "if.h" | |
28 | #include "vector.h" | |
29 | #include "vty.h" | |
30 | #include "command.h" | |
31 | #include "filter.h" | |
32 | #include "plist.h" | |
33 | #include "stream.h" | |
34 | #include "log.h" | |
35 | #include "memory.h" | |
36 | #include "privs.h" | |
37 | #include "sigevent.h" | |
38 | #include "zclient.h" | |
39 | #include "keychain.h" | |
40 | #include "distribute.h" | |
41 | #include "libfrr.h" | |
42 | #include "routemap.h" | |
43 | #include "nexthop.h" | |
44 | #include "nexthop_group.h" | |
45 | ||
46 | #include "pbr_nht.h" | |
47 | #include "pbr_map.h" | |
48 | #include "pbr_zebra.h" | |
e5c83d9b DS |
49 | #include "pbr_vty.h" |
50 | #include "pbr_debug.h" | |
be3b67b5 | 51 | #include "pbr_vrf.h" |
e5c83d9b DS |
52 | |
53 | zebra_capabilities_t _caps_p[] = { | |
54 | ZCAP_NET_RAW, ZCAP_BIND, ZCAP_NET_ADMIN, | |
55 | }; | |
56 | ||
57 | struct zebra_privs_t pbr_privs = { | |
58 | #if defined(FRR_USER) && defined(FRR_GROUP) | |
59 | .user = FRR_USER, | |
60 | .group = FRR_GROUP, | |
61 | #endif | |
62 | #if defined(VTY_GROUP) | |
63 | .vty_group = VTY_GROUP, | |
64 | #endif | |
65 | .caps_p = _caps_p, | |
66 | .cap_num_p = array_size(_caps_p), | |
67 | .cap_num_i = 0}; | |
68 | ||
d3765386 | 69 | struct option longopts[] = { { 0 } }; |
e5c83d9b DS |
70 | |
71 | /* Master of threads. */ | |
72 | struct thread_master *master; | |
73 | ||
74 | /* SIGHUP handler. */ | |
75 | static void sighup(void) | |
76 | { | |
77 | zlog_info("SIGHUP received"); | |
78 | } | |
79 | ||
80 | /* SIGINT / SIGTERM handler. */ | |
81 | static void sigint(void) | |
82 | { | |
83 | zlog_notice("Terminating on signal"); | |
84 | ||
e5c83d9b DS |
85 | exit(0); |
86 | } | |
87 | ||
88 | /* SIGUSR1 handler. */ | |
89 | static void sigusr1(void) | |
90 | { | |
91 | zlog_rotate(); | |
92 | } | |
93 | ||
94 | struct quagga_signal_t pbr_signals[] = { | |
95 | { | |
96 | .signal = SIGHUP, | |
97 | .handler = &sighup, | |
98 | }, | |
99 | { | |
100 | .signal = SIGUSR1, | |
101 | .handler = &sigusr1, | |
102 | }, | |
103 | { | |
104 | .signal = SIGINT, | |
105 | .handler = &sigint, | |
106 | }, | |
107 | { | |
108 | .signal = SIGTERM, | |
109 | .handler = &sigint, | |
110 | }, | |
111 | }; | |
112 | ||
113 | #define PBR_VTY_PORT 2615 | |
114 | ||
0d8c7a26 | 115 | static const struct frr_yang_module_info *const pbrd_yang_modules[] = { |
a4bed468 | 116 | &frr_interface_info, |
8fcdd0d6 RW |
117 | }; |
118 | ||
e5c83d9b DS |
119 | FRR_DAEMON_INFO(pbrd, PBR, .vty_port = PBR_VTY_PORT, |
120 | ||
121 | .proghelp = "Implementation of PBR.", | |
122 | ||
123 | .signals = pbr_signals, | |
124 | .n_signals = array_size(pbr_signals), | |
125 | ||
8fcdd0d6 RW |
126 | .privs = &pbr_privs, |
127 | ||
128 | .yang_modules = pbrd_yang_modules, | |
129 | .n_yang_modules = array_size(pbrd_yang_modules), ) | |
e5c83d9b DS |
130 | |
131 | int main(int argc, char **argv, char **envp) | |
132 | { | |
133 | frr_preinit(&pbrd_di, argc, argv); | |
134 | frr_opt_add("", longopts, ""); | |
135 | ||
136 | while (1) { | |
137 | int opt; | |
138 | ||
139 | opt = frr_getopt(argc, argv, NULL); | |
140 | ||
141 | if (opt == EOF) | |
142 | break; | |
143 | ||
144 | switch (opt) { | |
145 | case 0: | |
146 | break; | |
147 | default: | |
148 | frr_help_exit(1); | |
149 | break; | |
150 | } | |
151 | } | |
152 | ||
153 | master = frr_init(); | |
154 | ||
155 | pbr_debug_init(); | |
156 | ||
e5c83d9b DS |
157 | nexthop_group_init(pbr_nhgroup_add_cb, |
158 | pbr_nhgroup_add_nexthop_cb, | |
159 | pbr_nhgroup_del_nexthop_cb, | |
160 | pbr_nhgroup_delete_cb); | |
161 | ||
ad1dabd5 DS |
162 | /* |
163 | * So we safely ignore these commands since | |
164 | * we are getting them at this point in time | |
165 | */ | |
166 | access_list_init(); | |
e5c83d9b DS |
167 | pbr_nht_init(); |
168 | pbr_map_init(); | |
138c5a74 DS |
169 | if_zapi_callbacks(pbr_ifp_create, pbr_ifp_up, |
170 | pbr_ifp_down, pbr_ifp_destroy); | |
e5c83d9b | 171 | pbr_zebra_init(); |
be3b67b5 | 172 | pbr_vrf_init(); |
e5c83d9b DS |
173 | pbr_vty_init(); |
174 | ||
175 | frr_config_fork(); | |
176 | frr_run(master); | |
177 | ||
178 | /* Not reached. */ | |
179 | return 0; | |
180 | } |