1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/*
* Zebra connect code.
* Copyright (C) Cumulus Networks, Inc.
* Donald Sharp
*
* This file is part of FRR.
*
* 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 "thread.h"
#include "command.h"
#include "network.h"
#include "prefix.h"
#include "routemap.h"
#include "table.h"
#include "stream.h"
#include "memory.h"
#include "zclient.h"
#include "filter.h"
#include "plist.h"
#include "log.h"
#include "nexthop.h"
#include "sharp_zebra.h"
/* Zebra structure to hold current status. */
struct zclient *zclient = NULL;
/* For registering threads. */
extern struct thread_master *master;
static struct interface *zebra_interface_if_lookup(struct stream *s)
{
char ifname_tmp[INTERFACE_NAMSIZ];
/* Read interface name. */
stream_get(ifname_tmp, s, INTERFACE_NAMSIZ);
/* And look it up. */
return if_lookup_by_name(ifname_tmp, VRF_DEFAULT);
}
/* Inteface addition message from zebra. */
static int interface_add(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct interface *ifp;
ifp = zebra_interface_add_read(zclient->ibuf, vrf_id);
if (!ifp->info)
return 0;
return 0;
}
static int interface_delete(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct interface *ifp;
struct stream *s;
s = zclient->ibuf;
/* zebra_interface_state_read () updates interface structure in iflist
*/
ifp = zebra_interface_state_read(s, vrf_id);
if (ifp == NULL)
return 0;
if_set_index(ifp, IFINDEX_INTERNAL);
return 0;
}
static int interface_address_add(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
zebra_interface_address_read(command, zclient->ibuf, vrf_id);
return 0;
}
static int interface_address_delete(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct connected *c;
c = zebra_interface_address_read(command, zclient->ibuf, vrf_id);
if (!c)
return 0;
connected_free(c);
return 0;
}
static int interface_state_up(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
zebra_interface_if_lookup(zclient->ibuf);
return 0;
}
static int interface_state_down(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
zebra_interface_state_read(zclient->ibuf, vrf_id);
return 0;
}
extern uint32_t total_routes;
extern uint32_t installed_routes;
static int notify_owner(int command, struct zclient *zclient,
zebra_size_t length, vrf_id_t vrf_id)
{
struct prefix p;
enum zapi_route_notify_owner note;
if (!zapi_route_notify_decode(zclient->ibuf, &p, ¬e))
return -1;
installed_routes++;
if (total_routes == installed_routes)
zlog_debug("Installed All Items");
return 0;
}
static void zebra_connected(struct zclient *zclient)
{
zclient_send_reg_requests(zclient, VRF_DEFAULT);
}
void route_add(struct prefix *p, struct nexthop *nh)
{
struct zapi_route api;
struct zapi_nexthop *api_nh;
memset(&api, 0, sizeof(api));
api.vrf_id = VRF_DEFAULT;
api.type = ZEBRA_ROUTE_SHARP;
api.safi = SAFI_UNICAST;
memcpy(&api.prefix, p, sizeof(*p));
SET_FLAG(api.message, ZAPI_MESSAGE_NEXTHOP);
api_nh = &api.nexthops[0];
api_nh->gate.ipv4 = nh->gate.ipv4;
api_nh->type = nh->type;
api_nh->ifindex = nh->ifindex;
api.nexthop_num = 1;
zclient_route_send(ZEBRA_ROUTE_ADD, zclient, &api);
}
void route_delete(struct prefix *p)
{
struct zapi_route api;
memset(&api, 0, sizeof(api));
api.vrf_id = VRF_DEFAULT;
api.type = ZEBRA_ROUTE_SHARP;
api.safi = SAFI_UNICAST;
memcpy(&api.prefix, p, sizeof(*p));
zclient_route_send(ZEBRA_ROUTE_DELETE, zclient, &api);
return;
}
extern struct zebra_privs_t sharp_privs;
void sharp_zebra_init(void)
{
struct zclient_options opt = { .receive_notify = true };
zclient = zclient_new_notify(master, &opt);
zclient_init(zclient, ZEBRA_ROUTE_SHARP, 0, &sharp_privs);
zclient->zebra_connected = zebra_connected;
zclient->interface_add = interface_add;
zclient->interface_delete = interface_delete;
zclient->interface_up = interface_state_up;
zclient->interface_down = interface_state_down;
zclient->interface_address_add = interface_address_add;
zclient->interface_address_delete = interface_address_delete;
zclient->notify_owner = notify_owner;
}
|
