Line data Source code
1 : /*
2 : * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
3 : */
4 :
5 : #include "bgp/xmpp_message_builder.h"
6 :
7 : #include <boost/foreach.hpp>
8 :
9 : #include <algorithm>
10 :
11 : #include "bgp/ipeer.h"
12 : #include "bgp/bgp_server.h"
13 : #include "bgp/bgp_table.h"
14 : #include "bgp/extended-community/etree.h"
15 : #include "bgp/extended-community/mac_mobility.h"
16 : #include "bgp/ermvpn/ermvpn_route.h"
17 : #include "bgp/evpn/evpn_route.h"
18 : #include "bgp/mvpn/mvpn_route.h"
19 : #include "bgp/routing-instance/routing_instance.h"
20 : #include "bgp/security_group/security_group.h"
21 : #include "db/db.h"
22 : #include "net/community_type.h"
23 : #include "schema/xmpp_multicast_types.h"
24 : #include "schema/xmpp_mvpn_types.h"
25 : #include "schema/xmpp_enet_types.h"
26 : #include "xmpp/xmpp_init.h"
27 :
28 : using pugi::xml_attribute;
29 : using pugi::xml_document;
30 : using pugi::xml_node;
31 : using std::ostringstream;
32 : using std::copy;
33 : using std::fill;
34 : using std::string;
35 : using std::stringstream;
36 : using std::vector;
37 :
38 480856 : static inline const char *AfiName(uint16_t afi) {
39 480856 : switch (afi) {
40 271674 : case BgpAf::IPv4:
41 271674 : return "1";
42 : break;
43 198885 : case BgpAf::IPv6:
44 198885 : return "2";
45 : break;
46 10332 : case BgpAf::L2Vpn:
47 10332 : return "25";
48 : break;
49 : }
50 0 : assert(false);
51 : return NULL;
52 : }
53 :
54 480853 : static inline const char *XmppSafiName(uint8_t safi) {
55 480853 : switch (safi) {
56 461351 : case BgpAf::Unicast:
57 461351 : return "1";
58 : break;
59 8 : case BgpAf::Mpls:
60 8 : return "4";
61 : break;
62 6483 : case BgpAf::MVpn:
63 6483 : return "5";
64 : break;
65 2705 : case BgpAf::Mcast:
66 2705 : return "241";
67 : break;
68 10332 : case BgpAf::Enet:
69 10332 : return "242";
70 : break;
71 : }
72 0 : assert(false);
73 : return NULL;
74 : }
75 :
76 143 : BgpXmppMessage::BgpXmppMessage()
77 144 : : table_(NULL),
78 144 : writer_(XmlWriter(&repr_)),
79 144 : is_reachable_(false),
80 144 : cache_routes_(false),
81 144 : repr_valid_(false),
82 144 : mobility_(0, false),
83 287 : etree_leaf_(false) {
84 144 : msg_begin_.reserve(kMaxFromToLength);
85 144 : }
86 :
87 288 : BgpXmppMessage::~BgpXmppMessage() {
88 288 : }
89 :
90 480802 : void BgpXmppMessage::Reset() {
91 480802 : Message::Reset();
92 480804 : table_ = NULL;
93 480804 : is_reachable_ = false;
94 480804 : cache_routes_ = false;
95 480804 : repr_valid_ = false;
96 480804 : repr_.clear();
97 480801 : }
98 :
99 480796 : bool BgpXmppMessage::Start(const RibOut *ribout, bool cache_routes,
100 : const RibOutAttr *roattr, const BgpRoute *route) {
101 480796 : Reset();
102 480798 : table_ = ribout->table();
103 480792 : is_reachable_ = roattr->IsReachable();
104 480788 : cache_routes_ = cache_routes;
105 480788 : Address::Family family = table_->family();
106 :
107 480788 : if (is_reachable_) {
108 321108 : const BgpAttr *attr = roattr->attr();
109 321105 : ProcessCommunity(attr->community());
110 321103 : ProcessExtCommunity(attr->ext_community());
111 : }
112 :
113 : // Reserve space for the begin line that contains the message opening tag
114 : // with from and to attributes. Actual value gets patched in when GetData
115 : // is called.
116 480810 : repr_.append(kMaxFromToLength, ' ');
117 :
118 : // Add opening tags for event and items. The closing tags are added when
119 : // GetData is called.
120 480826 : repr_ += "\n\t<event xmlns=\"http://jabber.org/protocol/pubsub\">";
121 480840 : repr_ += "\n\t\t<items node=\"";
122 480882 : repr_ += AfiName(BgpAf::FamilyToAfi(family));
123 480868 : repr_ += "/";
124 480888 : repr_ += XmppSafiName(BgpAf::FamilyToXmppSafi(family));
125 480864 : repr_ += "/";
126 480873 : repr_ += table_->routing_instance()->name();
127 480866 : repr_ += "\">\n";
128 :
129 480870 : if (table_->family() == Address::ERMVPN) {
130 2705 : AddMcastRoute(route, roattr);
131 478159 : } else if (table_->family() == Address::EVPN) {
132 10333 : AddEnetRoute(route, roattr);
133 467820 : } else if (table_->family() == Address::INET6) {
134 198877 : AddInet6Route(route, roattr);
135 268940 : } else if (table_->family() == Address::MVPN) {
136 6483 : AddMvpnRoute(route, roattr);
137 : } else {
138 262473 : AddInetRoute(route, roattr);
139 : }
140 480922 : return true;
141 : }
142 :
143 480890 : void BgpXmppMessage::Finish() {
144 480890 : }
145 :
146 607424 : bool BgpXmppMessage::AddRoute(const BgpRoute *route, const RibOutAttr *roattr) {
147 607424 : assert(is_reachable_ == roattr->IsReachable());
148 607441 : if (is_reachable_ && num_reach_route_ >= kMaxReachCount)
149 160 : return false;
150 607281 : if (!is_reachable_ && num_unreach_route_ >= kMaxUnreachCount)
151 8 : return false;
152 :
153 607273 : if (is_reachable_) {
154 514077 : const BgpAttr *attr = roattr->attr();
155 514074 : ProcessCommunity(attr->community());
156 514075 : ProcessExtCommunity(attr->ext_community());
157 : }
158 :
159 607294 : if (table_->family() == Address::ERMVPN) {
160 150 : return AddMcastRoute(route, roattr);
161 607141 : } else if (table_->family() == Address::EVPN) {
162 2092 : return AddEnetRoute(route, roattr);
163 605046 : } else if (table_->family() == Address::INET6) {
164 120624 : return AddInet6Route(route, roattr);
165 484423 : } else if (table_->family() == Address::MVPN) {
166 190464 : return AddMvpnRoute(route, roattr);
167 : } else {
168 293999 : return AddInetRoute(route, roattr);
169 : }
170 : }
171 :
172 529607 : void BgpXmppMessage::EncodeNextHop(const BgpRoute *route,
173 : const RibOutAttr::NextHop &nexthop,
174 : autogen::ItemType *item) {
175 529607 : autogen::NextHopType item_nexthop;
176 :
177 529593 : const IpAddress &address = nexthop.address();
178 529592 : if (address.is_v4()) {
179 526387 : item_nexthop.af = BgpAf::IPv4;
180 526387 : item_nexthop.address = address.to_v4().to_string();
181 : } else {
182 3203 : item_nexthop.af = BgpAf::IPv6;
183 3203 : item_nexthop.address = address.to_v6().to_string();
184 : }
185 529798 : item_nexthop.label = nexthop.label();
186 529779 : item_nexthop.virtual_network = GetVirtualNetwork(nexthop);
187 529803 : item_nexthop.tag_list.tag = nexthop.tag_list();
188 529598 : item_nexthop.is_new_tags_list = true;
189 :
190 : // If there's a non-zero label and encap list is empty use mpls over gre
191 : // as default encap.
192 529598 : if (item_nexthop.label) {
193 520749 : vector<string> &encap_list =
194 : item_nexthop.tunnel_encapsulation_list.tunnel_encapsulation;
195 520749 : if (nexthop.encap().empty()) {
196 100636 : encap_list.push_back(string("gre"));
197 : } else {
198 420136 : encap_list = nexthop.encap();
199 : }
200 : }
201 :
202 529579 : item->entry.next_hops.next_hop.push_back(item_nexthop);
203 529644 : }
204 :
205 625589 : void BgpXmppMessage::AddIpReach(const BgpRoute *route,
206 : const RibOutAttr *roattr) {
207 625589 : if (!roattr->repr().empty()) {
208 98208 : repr_ += roattr->repr();
209 98208 : return;
210 : }
211 527381 : Address::Family family = table_->family();
212 :
213 527376 : autogen::ItemType item;
214 527315 : item.entry.nlri.af = BgpAf::FamilyToAfi(family);
215 527314 : item.entry.nlri.safi = BgpAf::FamilyToXmppSafi(family);
216 527317 : item.entry.nlri.address = route->ToString();
217 527431 : item.entry.version = 1;
218 527431 : item.entry.virtual_network = GetVirtualNetwork(route, roattr);
219 527423 : item.entry.local_preference = roattr->attr()->local_pref();
220 527389 : item.entry.med = roattr->attr()->med();
221 527360 : item.entry.sequence_number = mobility_.sequence_number;
222 527360 : item.entry.mobility.seqno = mobility_.sequence_number;
223 527360 : item.entry.mobility.sticky = mobility_.sticky;
224 :
225 527360 : assert(!roattr->nexthop_list().empty());
226 :
227 : // Encode all next-hops in the list.
228 1586579 : BOOST_FOREACH(const RibOutAttr::NextHop &nexthop, roattr->nexthop_list()) {
229 529612 : EncodeNextHop(route, nexthop, &item);
230 : }
231 :
232 527276 : for (vector<int>::const_iterator it = security_group_list_.begin();
233 849229 : it != security_group_list_.end(); ++it) {
234 322010 : item.entry.security_group_list.security_group.push_back(*it);
235 : }
236 :
237 527228 : for (vector<string>::const_iterator it = community_list_.begin();
238 538959 : it != community_list_.end(); ++it) {
239 11732 : item.entry.community_tag_list.community_tag.push_back(*it);
240 : }
241 :
242 : // Encode load balance attribute.
243 527218 : if (!load_balance_attribute_.IsDefault())
244 4 : load_balance_attribute_.Encode(&item.entry.load_balance);
245 :
246 527222 : xml_node node = doc_.append_child("item");
247 527168 : node.append_attribute("id") = route->ToXmppIdString().c_str();
248 :
249 : // Remember the previous size.
250 : // Using remove_child instead of reset allows memory pages allocated for
251 : // the xml_document to be reused during the lifetime of the xml_document.
252 527256 : size_t pos = repr_.size();
253 527258 : item.Encode(&node);
254 527321 : doc_.print(writer_, "\t", pugi::format_default, pugi::encoding_auto, 3);
255 527440 : doc_.remove_child(node);
256 :
257 : // Cache the substring starting at the previous size.
258 527450 : if (cache_routes_)
259 29563 : roattr->set_repr(repr_, pos);
260 527446 : }
261 :
262 250316 : void BgpXmppMessage::AddIpUnreach(const BgpRoute *route) {
263 250316 : repr_ += "\t\t\t<retract id=\"" + route->ToXmppIdString() + "\" />\n";
264 250421 : }
265 :
266 556455 : bool BgpXmppMessage::AddInetRoute(const BgpRoute *route,
267 : const RibOutAttr *roattr) {
268 556455 : if (is_reachable_) {
269 424215 : num_reach_route_++;
270 424215 : AddIpReach(route, roattr);
271 : } else {
272 132240 : num_unreach_route_++;
273 132240 : AddIpUnreach(route);
274 : }
275 556514 : return true;
276 : }
277 :
278 319497 : bool BgpXmppMessage::AddInet6Route(const BgpRoute *route,
279 : const RibOutAttr *roattr) {
280 319497 : if (is_reachable_) {
281 201390 : num_reach_route_++;
282 201390 : AddIpReach(route, roattr);
283 : } else {
284 118107 : num_unreach_route_++;
285 118107 : AddIpUnreach(route);
286 : }
287 319536 : return true;
288 : }
289 :
290 9074 : void BgpXmppMessage::EncodeEnetNextHop(const BgpRoute *route,
291 : const RibOutAttr::NextHop &nexthop,
292 : autogen::EnetItemType *item) {
293 9074 : autogen::EnetNextHopType item_nexthop;
294 :
295 9075 : item_nexthop.af = BgpAf::IPv4;
296 9075 : item_nexthop.address = nexthop.address().to_v4().to_string();
297 9075 : item_nexthop.label = nexthop.label();
298 9074 : item_nexthop.l3_label = nexthop.l3_label();
299 9074 : if (!nexthop.mac().IsZero())
300 20 : item_nexthop.mac = nexthop.mac().ToString();
301 :
302 : // If encap list is empty use mpls over gre as default encap.
303 9074 : vector<string> &encap_list =
304 : item_nexthop.tunnel_encapsulation_list.tunnel_encapsulation;
305 9074 : if (nexthop.encap().empty()) {
306 0 : encap_list.push_back(string("gre"));
307 : } else {
308 9075 : encap_list = nexthop.encap();
309 : }
310 9075 : item_nexthop.tag_list.tag = nexthop.tag_list();
311 9075 : item_nexthop.is_new_tags_list = true;
312 9075 : item->entry.next_hops.next_hop.push_back(item_nexthop);
313 9074 : }
314 :
315 10433 : void BgpXmppMessage::AddEnetReach(const BgpRoute *route,
316 : const RibOutAttr *roattr) {
317 10433 : if (!roattr->repr().empty()) {
318 0 : repr_ += roattr->repr();
319 0 : return;
320 : }
321 10434 : Address::Family family = table_->family();
322 :
323 10434 : autogen::EnetItemType item;
324 10433 : item.entry.nlri.af = BgpAf::FamilyToAfi(family);
325 10433 : item.entry.nlri.safi = BgpAf::FamilyToXmppSafi(family);
326 :
327 10434 : EvpnRoute *evpn_route =
328 : static_cast<EvpnRoute *>(const_cast<BgpRoute *>(route));
329 10434 : const EvpnPrefix &evpn_prefix = evpn_route->GetPrefix();
330 10434 : item.entry.nlri.ethernet_tag = evpn_prefix.tag();
331 10433 : item.entry.nlri.mac = evpn_prefix.mac_addr().ToString();
332 20868 : item.entry.nlri.address = evpn_prefix.ip_address().to_string() + "/" +
333 31302 : integerToString(evpn_prefix.ip_address_length());
334 10434 : item.entry.nlri.source = evpn_prefix.source().to_string();
335 10434 : item.entry.nlri.group = evpn_prefix.group().to_string();
336 :
337 10434 : item.entry.virtual_network = GetVirtualNetwork(route, roattr);
338 10434 : item.entry.local_preference = roattr->attr()->local_pref();
339 10433 : item.entry.med = roattr->attr()->med();
340 10434 : item.entry.sequence_number = mobility_.sequence_number;
341 10434 : item.entry.mobility.seqno = mobility_.sequence_number;
342 10434 : item.entry.mobility.sticky = mobility_.sticky;
343 10434 : item.entry.etree_leaf = etree_leaf_;
344 :
345 10434 : for (vector<int>::const_iterator it = security_group_list_.begin();
346 20875 : it != security_group_list_.end(); ++it) {
347 10441 : item.entry.security_group_list.security_group.push_back(*it);
348 : }
349 :
350 10434 : const BgpOList *olist = roattr->attr()->olist().get();
351 10433 : assert((olist == NULL) != roattr->nexthop_list().empty());
352 :
353 10434 : if (olist) {
354 1488 : assert(olist->olist().subcode == BgpAttribute::OList);
355 13960 : BOOST_FOREACH(const BgpOListElem *elem, olist->elements()) {
356 6236 : autogen::EnetNextHopType nh;
357 6236 : nh.af = BgpAf::IPv4;
358 6236 : nh.address = elem->address.to_string();
359 6236 : nh.label = elem->label;
360 6236 : nh.tunnel_encapsulation_list.tunnel_encapsulation = elem->encap;
361 6236 : item.entry.olist.next_hop.push_back(nh);
362 6236 : }
363 : }
364 :
365 10434 : const BgpOList *leaf_olist = roattr->attr()->leaf_olist().get();
366 10433 : assert((leaf_olist == NULL) != roattr->nexthop_list().empty());
367 :
368 10434 : if (leaf_olist) {
369 1488 : assert(leaf_olist->olist().subcode == BgpAttribute::LeafOList);
370 1488 : BOOST_FOREACH(const BgpOListElem *elem, leaf_olist->elements()) {
371 0 : autogen::EnetNextHopType nh;
372 0 : nh.af = BgpAf::IPv4;
373 0 : nh.address = elem->address.to_string();
374 0 : nh.label = elem->label;
375 0 : nh.tunnel_encapsulation_list.tunnel_encapsulation = elem->encap;
376 0 : item.entry.leaf_olist.next_hop.push_back(nh);
377 0 : }
378 : }
379 :
380 28582 : BOOST_FOREACH(const RibOutAttr::NextHop &nexthop, roattr->nexthop_list()) {
381 9075 : EncodeEnetNextHop(route, nexthop, &item);
382 : }
383 :
384 11348 : for (const auto &peer_name : route->peer_sources()) {
385 913 : item.entry.peers.peer.push_back(peer_name);
386 : }
387 :
388 10434 : xml_node node = doc_.append_child("item");
389 10433 : node.append_attribute("id") = route->ToXmppIdString().c_str();
390 :
391 : // Remember the previous size.
392 : // Using remove_child instead of reset allows memory pages allocated for
393 : // the xml_document to be reused during the lifetime of the xml_document.
394 10434 : size_t pos = repr_.size();
395 10434 : item.Encode(&node);
396 10434 : doc_.print(writer_, "\t", pugi::format_default, pugi::encoding_auto, 3);
397 10434 : doc_.remove_child(node);
398 :
399 : // Cache the substring starting at the previous size.
400 10434 : if (cache_routes_)
401 1979 : roattr->set_repr(repr_, pos);
402 10434 : }
403 :
404 1991 : void BgpXmppMessage::AddEnetUnreach(const BgpRoute *route) {
405 1991 : repr_ += "\t\t\t<retract id=\"" + route->ToXmppIdString() + "\" />\n";
406 1991 : }
407 :
408 12424 : bool BgpXmppMessage::AddEnetRoute(const BgpRoute *route,
409 : const RibOutAttr *roattr) {
410 12424 : if (is_reachable_) {
411 10433 : num_reach_route_++;
412 10433 : AddEnetReach(route, roattr);
413 : } else {
414 1991 : num_unreach_route_++;
415 1991 : AddEnetUnreach(route);
416 : }
417 12425 : return true;
418 : }
419 :
420 : //
421 : // Note that there's no need to cache the string representation since a given
422 : // mcast route is sent to exactly one xmpp peer.
423 : //
424 2394 : void BgpXmppMessage::AddMcastReach(const BgpRoute *route,
425 : const RibOutAttr *roattr) {
426 2394 : Address::Family family = table_->family();
427 2394 : autogen::McastItemType item;
428 2394 : item.entry.nlri.af = BgpAf::FamilyToAfi(family);
429 2394 : item.entry.nlri.safi = BgpAf::FamilyToXmppSafi(family);
430 :
431 2394 : ErmVpnRoute *ermvpn_route =
432 : static_cast<ErmVpnRoute *>(const_cast<BgpRoute *>(route));
433 2394 : item.entry.nlri.group = ermvpn_route->GetPrefix().group().to_string();
434 2394 : item.entry.nlri.source = ermvpn_route->GetPrefix().source().to_string();
435 2394 : item.entry.nlri.source_label = roattr->label();
436 2394 : if (!roattr->source_address().is_unspecified()) {
437 : item.entry.nlri.source_address =
438 146 : roattr->source_address().to_string();
439 : }
440 :
441 2394 : const BgpOList *olist = roattr->attr()->olist().get();
442 2394 : assert(olist->olist().subcode == BgpAttribute::OList);
443 7504 : BOOST_FOREACH(const BgpOListElem *elem, olist->elements()) {
444 2555 : autogen::McastNextHopType nh;
445 2555 : nh.af = BgpAf::IPv4;
446 2555 : nh.address = elem->address.to_string();
447 2555 : nh.label = integerToString(elem->label);
448 2555 : nh.tunnel_encapsulation_list.tunnel_encapsulation = elem->encap;
449 2555 : item.entry.olist.next_hop.push_back(nh);
450 2555 : }
451 :
452 : // Using remove_child instead of reset allows memory pages allocated for
453 : // the xml_document to be reused during the lifetime of the xml_document.
454 2394 : xml_node node = doc_.append_child("item");
455 2394 : node.append_attribute("id") = route->ToXmppIdString().c_str();
456 2394 : item.Encode(&node);
457 2394 : doc_.print(writer_, "\t", pugi::format_default, pugi::encoding_auto, 3);
458 2394 : doc_.remove_child(node);
459 2394 : }
460 :
461 461 : void BgpXmppMessage::AddMcastUnreach(const BgpRoute *route) {
462 461 : repr_ += "\t\t\t<retract id=\"" + route->ToXmppIdString() + "\" />\n";
463 461 : }
464 :
465 2855 : bool BgpXmppMessage::AddMcastRoute(const BgpRoute *route,
466 : const RibOutAttr *roattr) {
467 2855 : if (is_reachable_) {
468 2394 : num_reach_route_++;
469 2394 : AddMcastReach(route, roattr);
470 : } else {
471 461 : num_unreach_route_++;
472 461 : AddMcastUnreach(route);
473 : }
474 2855 : return true;
475 : }
476 :
477 196816 : void BgpXmppMessage::AddMvpnReach(const BgpRoute *route,
478 : const RibOutAttr *roattr) {
479 196816 : Address::Family family = table_->family();
480 196816 : autogen::MvpnItemType item;
481 196816 : item.entry.nlri.af = BgpAf::FamilyToAfi(family);
482 196816 : item.entry.nlri.safi = BgpAf::FamilyToXmppSafi(family);
483 :
484 196816 : MvpnRoute *mvpn_route =
485 : static_cast<MvpnRoute *>(const_cast<BgpRoute *>(route));
486 196816 : item.entry.nlri.group = mvpn_route->GetPrefix().group().to_string();
487 196816 : item.entry.nlri.source = mvpn_route->GetPrefix().source().to_string();
488 196816 : item.entry.nlri.route_type = mvpn_route->GetPrefix().type();
489 196816 : assert((item.entry.nlri.route_type == MvpnPrefix::SourceActiveADRoute) ||
490 : (item.entry.nlri.route_type == MvpnPrefix::SourceTreeJoinRoute));
491 :
492 196816 : if (item.entry.nlri.route_type == MvpnPrefix::SourceActiveADRoute) {
493 196722 : const BgpOList *olist = roattr->attr()->olist().get();
494 196722 : assert(olist->olist().subcode == BgpAttribute::OList);
495 590166 : BOOST_FOREACH(const BgpOListElem *elem, olist->elements()) {
496 196722 : autogen::MvpnNextHopType nh;
497 196722 : nh.af = BgpAf::IPv4;
498 196722 : nh.address = elem->address.to_string();
499 196722 : nh.label = elem->label;
500 196722 : nh.tunnel_encapsulation_list.tunnel_encapsulation = elem->encap;
501 196722 : item.entry.olist.next_hop.push_back(nh);
502 196722 : }
503 : }
504 :
505 : // Using remove_child instead of reset allows memory pages allocated for
506 : // the xml_document to be reused during the lifetime of the xml_document.
507 196816 : xml_node node = doc_.append_child("item");
508 196816 : node.append_attribute("id") = route->ToXmppIdString().c_str();
509 196816 : item.Encode(&node);
510 196816 : doc_.print(writer_, "\t", pugi::format_default, pugi::encoding_auto, 3);
511 196816 : doc_.remove_child(node);
512 196816 : }
513 :
514 131 : void BgpXmppMessage::AddMvpnUnreach(const BgpRoute *route) {
515 131 : repr_ += "\t\t\t<retract id=\"" + route->ToXmppIdString() + "\" />\n";
516 131 : }
517 :
518 196947 : bool BgpXmppMessage::AddMvpnRoute(const BgpRoute *route,
519 : const RibOutAttr *roattr) {
520 196947 : if (is_reachable_) {
521 196816 : num_reach_route_++;
522 196816 : AddMvpnReach(route, roattr);
523 : } else {
524 131 : num_unreach_route_++;
525 131 : AddMvpnUnreach(route);
526 : }
527 196947 : return true;
528 : }
529 :
530 14204831 : const uint8_t *BgpXmppMessage::GetData(IPeerUpdate *peer, size_t *lenp,
531 : const string **msg_str, string *temp) {
532 : // Build begin line that contains message opening tag with from and to
533 : // attributes.
534 14204831 : msg_begin_.clear();
535 14204942 : msg_begin_ += "\n<message from=\"";
536 14205031 : msg_begin_ += XmppInit::kControlNodeJID;
537 14205118 : msg_begin_ += "\" to=\"";
538 14205204 : msg_begin_ += peer->ToString();
539 14205199 : msg_begin_ += "/";
540 14205213 : msg_begin_ += XmppInit::kBgpPeer;
541 14205164 : msg_begin_ += "\">";
542 :
543 : // Add closing tags if this is the first peer to which the message will
544 : // be sent.
545 14205220 : if (!repr_valid_) {
546 480964 : repr_ += "\t\t</items>\n\t</event>\n</message>\n";
547 480966 : repr_valid_ = true;
548 : }
549 :
550 : // Replace the begin line if it fits in the space reserved at the start
551 : // of repr_. Use fill and copy instead of string::replace as the latter
552 : // seems to construct a new temporary string to hold the input data to
553 : // be copied.
554 : // Otherwise build a new string with the begin line and the rest of the
555 : // message in repr_.
556 14205222 : size_t begin_size = msg_begin_.size();
557 14205154 : if (begin_size <= kMaxFromToLength) {
558 10010881 : size_t extra = kMaxFromToLength - begin_size;
559 10010881 : char *data = const_cast<char *>(repr_.c_str());
560 10010896 : fill(data, data + extra, ' ');
561 10010851 : copy(msg_begin_.c_str(), msg_begin_.c_str() + begin_size, data + extra);
562 10010716 : *lenp = repr_.size() - extra;
563 10010690 : *msg_str = &repr_;
564 10010690 : return reinterpret_cast<const uint8_t *>(repr_.c_str()) + extra;
565 : } else {
566 4194273 : *temp = msg_begin_ + string(repr_, kMaxFromToLength);
567 4194304 : *lenp = temp->size();
568 4194304 : *msg_str = NULL;
569 4194304 : return reinterpret_cast<const uint8_t *>(temp->c_str());
570 : }
571 : }
572 :
573 835164 : void BgpXmppMessage::ProcessCommunity(const Community *community) {
574 835164 : community_list_.clear();
575 835171 : if (community == NULL)
576 823456 : return;
577 35186 : BOOST_FOREACH(uint32_t value, community->communities()) {
578 11738 : community_list_.push_back(CommunityType::CommunityToString(value));
579 : }
580 : }
581 :
582 835150 : void BgpXmppMessage::ProcessExtCommunity(const ExtCommunity *ext_community) {
583 835150 : mobility_.sequence_number = 0;
584 835150 : mobility_.sticky = false;
585 835150 : etree_leaf_ = false;
586 835150 : security_group_list_.clear();
587 835166 : load_balance_attribute_ = LoadBalance::LoadBalanceAttribute();
588 835348 : if (ext_community == NULL)
589 207958 : return;
590 :
591 627390 : as_t as_number = table_->server()->autonomous_system();
592 627318 : bool sg_asn_match = true;
593 627283 : for (ExtCommunity::ExtCommunityList::const_iterator iter =
594 627318 : ext_community->communities().begin();
595 3693449 : iter != ext_community->communities().end(); ++iter) {
596 3066133 : if (ExtCommunity::is_security_group(*iter)) {
597 430789 : SecurityGroup sg(*iter);
598 430781 : if (as_number <= AS2_MAX)
599 234173 : if (sg.as_number() != as_number && !sg.IsGlobal())
600 2 : continue;
601 430802 : security_group_list_.push_back(sg.security_group_id());
602 2635436 : } else if (ExtCommunity::is_security_group4(*iter)) {
603 196608 : SecurityGroup4ByteAs sg(*iter);
604 196608 : if (sg.as_number() != as_number)
605 0 : sg_asn_match = false;
606 2438828 : } else if (ExtCommunity::is_mac_mobility(*iter)) {
607 1077 : MacMobility mm(*iter);
608 1077 : mobility_.sequence_number = mm.sequence_number();
609 1077 : mobility_.sticky = mm.sticky();
610 2437728 : } else if (ExtCommunity::is_load_balance(*iter)) {
611 4 : LoadBalance load_balance(*iter);
612 4 : load_balance.FillAttribute(&load_balance_attribute_);
613 2437696 : } else if (ExtCommunity::is_etree(*iter)) {
614 9298 : ETree etree(*iter);
615 9298 : etree_leaf_ = etree.leaf();
616 : }
617 : }
618 627256 : if (!sg_asn_match)
619 0 : security_group_list_.clear();
620 : }
621 :
622 1066008 : string BgpXmppMessage::GetVirtualNetwork(
623 : const RibOutAttr::NextHop &nexthop) const {
624 1066008 : int index = nexthop.origin_vn_index();
625 1065992 : if (index > 0) {
626 : const RoutingInstanceMgr *manager =
627 68688 : table_->routing_instance()->manager();
628 68708 : return manager->GetVirtualNetworkByVnIndex(index);
629 997304 : } else if (index == 0) {
630 60518 : return table_->routing_instance()->GetVirtualNetworkName();
631 : } else {
632 936786 : return "unresolved";
633 : }
634 : }
635 :
636 537851 : string BgpXmppMessage::GetVirtualNetwork(const BgpRoute *route,
637 : const RibOutAttr *roattr) const {
638 537851 : if (!is_reachable_) {
639 0 : return "unresolved";
640 537851 : } else if (roattr->nexthop_list().empty()) {
641 1488 : if (roattr->vrf_originated()) {
642 1488 : return table_->routing_instance()->GetVirtualNetworkName();
643 : } else {
644 0 : return "unresolved";
645 : }
646 : } else {
647 536286 : return GetVirtualNetwork(roattr->nexthop_list().front());
648 : }
649 : }
650 :
651 50 : BgpXmppMessageBuilder::BgpXmppMessageBuilder() {
652 50 : }
653 :
654 144 : Message *BgpXmppMessageBuilder::Create() const {
655 144 : return new BgpXmppMessage;
656 : }
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