Line data Source code
1 : /*
2 : * Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
3 : */
4 :
5 : #include <algorithm>
6 : #include <base/string_util.h>
7 : #include <base/logging.h>
8 : #include <base/timer.h>
9 : #include <base/contrail_ports.h>
10 : #include <base/connection_info.h>
11 : #include <base/address_util.h>
12 : #include <net/tunnel_encap_type.h>
13 : #include <sandesh/sandesh_trace.h>
14 : #include <cmn/agent_cmn.h>
15 : #include <cmn/xmpp_server_address_parser.h>
16 : #include <xmpp/xmpp_init.h>
17 : #include <pugixml/pugixml.hpp>
18 : #include <oper/global_qos_config.h>
19 : #include <oper/global_system_config.h>
20 : #include <oper/vrf.h>
21 : #include <oper/peer.h>
22 : #include <oper/mirror_table.h>
23 : #include <oper/multicast.h>
24 : #include <controller/controller_types.h>
25 : #include <controller/controller_init.h>
26 : #include <controller/controller_timer.h>
27 : #include <controller/controller_peer.h>
28 : #include <controller/controller_ifmap.h>
29 : #include <controller/controller_dns.h>
30 : #include <controller/controller_export.h>
31 :
32 : using namespace boost::asio;
33 :
34 : SandeshTraceBufferPtr ControllerConnectionsTraceBuf(SandeshTraceBufferCreate(
35 : "ControllerConnections", 5000));
36 : SandeshTraceBufferPtr ControllerInfoTraceBuf(SandeshTraceBufferCreate(
37 : "ControllerInfo", 5000));
38 : SandeshTraceBufferPtr ControllerTxConfigTraceBuf1(SandeshTraceBufferCreate(
39 : "ControllerTxConfig_1", 5000));
40 : SandeshTraceBufferPtr ControllerTxConfigTraceBuf2(SandeshTraceBufferCreate(
41 : "ControllerTxConfig_2", 5000));
42 : SandeshTraceBufferPtr ControllerRouteWalkerTraceBuf(SandeshTraceBufferCreate(
43 : "ControllerRouteWalker", 5000));
44 : SandeshTraceBufferPtr ControllerTraceBuf(SandeshTraceBufferCreate(
45 : "Controller", 5000));
46 : SandeshTraceBufferPtr ControllerRxRouteMessageTraceBuf1(SandeshTraceBufferCreate(
47 : "ControllerRxRouteXmppMessage1", 5000));
48 : SandeshTraceBufferPtr ControllerRxConfigMessageTraceBuf1(SandeshTraceBufferCreate(
49 : "ControllerRxConfigXmppMessage1", 5000));
50 : SandeshTraceBufferPtr ControllerRxRouteMessageTraceBuf2(SandeshTraceBufferCreate(
51 : "ControllerRxRouteXmppMessage2", 5000));
52 : SandeshTraceBufferPtr ControllerRxConfigMessageTraceBuf2(SandeshTraceBufferCreate(
53 : "ControllerRxConfigXmppMessage2", 5000));
54 : SandeshTraceBufferPtr ControllerTxMessageTraceBuf1(SandeshTraceBufferCreate(
55 : "ControllerTxXmppMessage_1", 5000));
56 : SandeshTraceBufferPtr ControllerTxMessageTraceBuf2(SandeshTraceBufferCreate(
57 : "ControllerTxXmppMessage_2", 5000));
58 :
59 0 : ControllerReConfigData::ControllerReConfigData(std::string service_name,
60 0 : std::vector<string>server_list) :
61 0 : ControllerWorkQueueData(), service_name_(service_name),
62 0 : server_list_(server_list) {
63 0 : }
64 :
65 2 : ControllerDelPeerData::ControllerDelPeerData(AgentXmppChannel *channel) :
66 2 : ControllerWorkQueueData(), channel_(channel) {
67 2 : }
68 :
69 1 : VNController::VNController(Agent *agent)
70 1 : : agent_(agent), multicast_sequence_number_(0),
71 1 : work_queue_(agent->task_scheduler()->GetTaskId("Agent::ControllerXmpp"), 0,
72 : boost::bind(&VNController::ControllerWorkQueueProcess, this,
73 : _1)),
74 3 : fabric_multicast_label_range_(), xmpp_channel_down_cb_(),
75 4 : disconnect_(false) {
76 1 : work_queue_.set_name("Controller Queue");
77 3 : for (uint8_t count = 0; count < MAX_XMPP_SERVERS; count++) {
78 2 : timed_out_channels_[count].clear();
79 : }
80 1 : delpeer_walks_.clear();
81 1 : work_queue_.set_disable(true);
82 1 : }
83 :
84 7 : VNController::~VNController() {
85 1 : work_queue_.Shutdown();
86 10 : }
87 :
88 2 : void VNController::FillMcastLabelRange(uint32_t *start_idx,
89 : uint32_t *end_idx,
90 : uint8_t idx) const {
91 : // Multicast labels required by both control nodes
92 2 : uint32_t max_mc_labels = 2 * (agent_->vrouter_max_vrfs());
93 : // Multicast label count per control node
94 2 : uint32_t mc_label_count = 0;
95 2 : uint32_t vrouter_max_labels = agent_->vrouter_max_labels();
96 :
97 2 : if (max_mc_labels + MIN_UNICAST_LABEL_RANGE < vrouter_max_labels) {
98 2 : mc_label_count = agent_->vrouter_max_vrfs();
99 : } else {
100 0 : mc_label_count = (vrouter_max_labels - MIN_UNICAST_LABEL_RANGE)/2;
101 : }
102 :
103 2 : *start_idx = vrouter_max_labels - ((idx + 1) * mc_label_count);
104 2 : *end_idx = (vrouter_max_labels - ((idx) * mc_label_count) - 1);
105 2 : }
106 :
107 2 : void VNController::SetAgentMcastLabelRange(uint8_t idx) {
108 2 : uint32_t start = 0;
109 2 : uint32_t end = 0;
110 2 : std::stringstream str;
111 :
112 : //Logic for multicast label allocation
113 : // 1> Reserve minimum 4k label for unicast
114 : // 2> In the remaining label space
115 : // * Try allocating labels equal to no. of VN
116 : // for each control node
117 : // * If label space is not huge enough
118 : // split remaining unicast label for both control
119 : // node
120 : // Remaining label would be used for unicast mpls label
121 2 : if (agent_->vrouter_max_labels() <= MIN_UNICAST_LABEL_RANGE) {
122 0 : str << 0 << "-" << 0;
123 0 : fabric_multicast_label_range_[idx].start = 0;
124 0 : fabric_multicast_label_range_[idx].end = 0;
125 0 : fabric_multicast_label_range_[idx].fabric_multicast_label_range_str =
126 0 : str.str();
127 0 : return;
128 : }
129 :
130 2 : FillMcastLabelRange(&start, &end, idx);
131 2 : str << start << "-" << end;
132 :
133 2 : agent_->mpls_table()->ReserveMulticastLabel(start, end, idx);
134 2 : fabric_multicast_label_range_[idx].start = start;
135 2 : fabric_multicast_label_range_[idx].end = end;
136 2 : fabric_multicast_label_range_[idx].fabric_multicast_label_range_str =
137 2 : str.str();
138 2 : }
139 :
140 2 : void VNController::SetDscpConfig(XmppChannelConfig *xmpp_cfg) const {
141 2 : GlobalQosConfig* qos = NULL;
142 2 : if (agent_->oper_db()) {
143 2 : qos = agent_->oper_db()->global_qos_config();
144 : }
145 2 : if (qos && qos->control_dscp() != GlobalQosConfig::kInvalidDscp) {
146 2 : xmpp_cfg->dscp_value = qos->control_dscp();
147 : } else {
148 0 : xmpp_cfg->dscp_value = 0;
149 : }
150 2 : }
151 :
152 1 : void VNController::XmppServerConnect() {
153 :
154 1 : uint8_t count = 0;
155 :
156 1 : if (agent_->is_vhost_interface_up() == false) {
157 : // Sleep 100 msec to avoid cpu hogging.
158 0 : usleep(100000);
159 : ControllerConnectRetryDataType data(
160 0 : new ControllerConnectRetryData(true, false));
161 : ControllerWorkQueueDataType base_data =
162 0 : boost::static_pointer_cast<ControllerWorkQueueData>(data);
163 0 : work_queue_.Enqueue(base_data);
164 0 : return;
165 0 : }
166 :
167 3 : while (count < MAX_XMPP_SERVERS) {
168 2 : SetAgentMcastLabelRange(count);
169 2 : if (!agent_->controller_ifmap_xmpp_server(count).empty()) {
170 :
171 1 : AgentXmppChannel *ch = agent_->controller_xmpp_channel(count);
172 1 : if (ch) {
173 : // Channel is created, do not disturb
174 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
175 : "XMPP Server is already present, ignore reconfig response",
176 : count, ch->GetXmppServer(), "");
177 0 : count++;
178 0 : continue;
179 : }
180 :
181 1 : boost::system::error_code ec;
182 1 : XmppChannelConfig *xmpp_cfg = new XmppChannelConfig(true);
183 1 : xmpp_cfg->ToAddr = XmppInit::kControlNodeJID;
184 1 : xmpp_cfg->FromAddr = agent_->agent_name();
185 1 : xmpp_cfg->NodeAddr = XmppInit::kPubSubNS;
186 : FastConvergenceParameters fc_params =
187 1 : agent_->oper_db()->global_system_config()->fc_params();
188 1 : if (fc_params.enable) {
189 0 : xmpp_cfg->xmpp_hold_time = fc_params.xmpp_hold_time;
190 : }
191 : /*
192 : * Since TcpServer asserts in bind failure,
193 : * dont need to assert in failure.
194 : * Also TorAgent can be run anywhere. so vhost0
195 : * ip binding should not be done for TorAgent.
196 : */
197 1 : Ip4Address local_endpoint;
198 1 : if (!agent_->tor_agent_enabled() && !agent_->isMockMode()) {
199 1 : local_endpoint = agent_->compute_node_ip();
200 1 : xmpp_cfg->local_endpoint.address(AddressFromString(
201 2 : local_endpoint.to_string(), &ec));
202 : }
203 1 : if (agent_->test_mode()) {
204 1 : local_endpoint = Ip4Address::from_string("127.0.0.1", ec);
205 1 : xmpp_cfg->local_endpoint.address(AddressFromString(
206 2 : local_endpoint.to_string(), &ec));
207 : }
208 1 : xmpp_cfg->endpoint.address(AddressFromString(
209 1 : agent_->controller_ifmap_xmpp_server(count), &ec));
210 1 : assert(ec.value() == 0);
211 1 : xmpp_cfg->auth_enabled = agent_->xmpp_auth_enabled();
212 1 : if (xmpp_cfg->auth_enabled) {
213 0 : xmpp_cfg->path_to_server_cert = agent_->xmpp_server_cert();
214 0 : xmpp_cfg->path_to_server_priv_key = agent_->xmpp_server_key();
215 0 : xmpp_cfg->path_to_ca_cert = agent_->xmpp_ca_cert();
216 : }
217 1 : uint16_t port = agent_->controller_ifmap_xmpp_port(count);
218 1 : xmpp_cfg->endpoint.port(port);
219 1 : SetDscpConfig(xmpp_cfg);
220 1 : xmpp_cfg->xmlns = agent_->subcluster_name();
221 :
222 : // Create Xmpp Client
223 1 : XmppClient *client = new XmppClient(agent_->event_manager(), xmpp_cfg);
224 :
225 1 : XmppInit *xmpp = new XmppInit();
226 1 : xmpp->AddXmppChannelConfig(xmpp_cfg);
227 : // create bgp peer
228 : AgentXmppChannel *bgp_peer = new AgentXmppChannel(agent_,
229 1 : agent_->controller_ifmap_xmpp_server(count),
230 1 : fabric_multicast_label_range(count).
231 1 : fabric_multicast_label_range_str,
232 1 : count);
233 1 : client->RegisterConnectionEvent(xmps::BGP,
234 : boost::bind(&AgentXmppChannel::XmppClientChannelEvent,
235 : bgp_peer, _2));
236 1 : xmpp->InitClient(client);
237 :
238 : XmppChannel *channel = client->
239 1 : FindChannel(XmppInit::kControlNodeJID);
240 1 : assert(channel);
241 1 : channel->RegisterRxMessageTraceCallback(
242 : boost::bind(&VNController::RxXmppMessageTrace,
243 1 : this, bgp_peer->GetXmppServerIdx(),
244 : _1, _2, _3, _4, _5));
245 1 : channel->RegisterTxMessageTraceCallback(
246 : boost::bind(&VNController::TxXmppMessageTrace,
247 1 : this, bgp_peer->GetXmppServerIdx(),
248 : _1, _2, _3, _4, _5));
249 1 : bgp_peer->RegisterXmppChannel(channel);
250 :
251 1 : bgp_peer->UpdateConnectionInfo(channel->GetPeerState());
252 :
253 : // create ifmap peer
254 : AgentIfMapXmppChannel *ifmap_peer =
255 1 : new AgentIfMapXmppChannel(agent_, channel, count);
256 :
257 1 : agent_->set_controller_xmpp_channel(bgp_peer, count);
258 1 : agent_->set_ifmap_xmpp_channel(ifmap_peer, count);
259 1 : agent_->set_controller_ifmap_xmpp_client(client, count);
260 1 : agent_->set_controller_ifmap_xmpp_init(xmpp, count);
261 : }
262 2 : count++;
263 : }
264 : }
265 :
266 1 : void VNController::DnsXmppServerConnect() {
267 :
268 1 : if (agent_->GetDnsProto() == NULL) {
269 0 : return;
270 : }
271 :
272 1 : if (agent_->is_vhost_interface_up() == false) {
273 : // Sleep 100 msec to avoid cpu hogging.
274 0 : usleep(100000);
275 : ControllerConnectRetryDataType data(
276 0 : new ControllerConnectRetryData(false, true));
277 : ControllerWorkQueueDataType base_data =
278 0 : boost::static_pointer_cast<ControllerWorkQueueData>(data);
279 0 : work_queue_.Enqueue(base_data);
280 0 : return;
281 0 : }
282 :
283 1 : uint8_t count = 0;
284 3 : while (count < MAX_XMPP_SERVERS) {
285 2 : if (!agent_->dns_server(count).empty()) {
286 :
287 1 : AgentDnsXmppChannel *ch = agent_->dns_xmpp_channel(count);
288 1 : if (ch) {
289 : // Channel is up and running, do not disturb
290 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
291 : "DNS Server is already present, ignore reconfig response",
292 : count, ch->GetXmppServer(), "");
293 0 : count++;
294 0 : continue;
295 : }
296 :
297 : // XmppChannel Configuration
298 1 : boost::system::error_code ec;
299 1 : XmppChannelConfig *xmpp_cfg_dns = new XmppChannelConfig(true);
300 1 : xmpp_cfg_dns->ToAddr = XmppInit::kDnsNodeJID;
301 1 : xmpp_cfg_dns->FromAddr = agent_->agent_name() + "/dns";
302 1 : xmpp_cfg_dns->NodeAddr = "";
303 : /*
304 : * Since TcpServer asserts in bind failure,
305 : * dont need to assert in failure.
306 : * Also TorAgent can be run anywhere. so vhost0
307 : * ip binding should not be done for TorAgent.
308 : */
309 1 : Ip4Address local_endpoint;
310 1 : if (!agent_->tor_agent_enabled() && !agent_->isMockMode()) {
311 1 : local_endpoint = agent_->compute_node_ip();
312 1 : xmpp_cfg_dns->local_endpoint.address(AddressFromString(
313 2 : local_endpoint.to_string(), &ec));
314 : }
315 1 : if (agent_->test_mode()) {
316 1 : local_endpoint = Ip4Address::from_string("127.0.0.1", ec);
317 1 : xmpp_cfg_dns->local_endpoint.address(AddressFromString(
318 2 : local_endpoint.to_string(), &ec));
319 : }
320 1 : xmpp_cfg_dns->endpoint.address(AddressFromString(
321 1 : agent_->dns_server(count), &ec));
322 1 : assert(ec.value() == 0);
323 1 : if (agent_->xmpp_dns_test_mode()) {
324 0 : xmpp_cfg_dns->endpoint.port(agent_->dns_server_port(count));
325 : } else {
326 1 : xmpp_cfg_dns->endpoint.port(ContrailPorts::DnsXmpp());
327 : }
328 1 : xmpp_cfg_dns->auth_enabled = agent_->dns_auth_enabled();
329 1 : if (xmpp_cfg_dns->auth_enabled) {
330 0 : xmpp_cfg_dns->path_to_server_cert = agent_->xmpp_server_cert();
331 0 : xmpp_cfg_dns->path_to_server_priv_key = agent_->xmpp_server_key();
332 0 : xmpp_cfg_dns->path_to_ca_cert = agent_->xmpp_ca_cert();
333 : }
334 1 : SetDscpConfig(xmpp_cfg_dns);
335 :
336 : // Create Xmpp Client
337 1 : XmppClient *client_dns = new XmppClient(agent_->event_manager(),
338 1 : xmpp_cfg_dns);
339 :
340 1 : XmppInit *xmpp_dns = new XmppInit();
341 : // create dns peer
342 : AgentDnsXmppChannel *dns_peer = new AgentDnsXmppChannel(agent_,
343 1 : agent_->dns_server(count),
344 1 : count);
345 1 : client_dns->RegisterConnectionEvent(xmps::DNS,
346 : boost::bind(&AgentDnsXmppChannel::XmppClientChannelEvent,
347 : dns_peer, _2));
348 :
349 1 : xmpp_dns->AddXmppChannelConfig(xmpp_cfg_dns);
350 1 : xmpp_dns->InitClient(client_dns);
351 :
352 1 : XmppChannel *channel_dns = client_dns->FindChannel(
353 : XmppInit::kDnsNodeJID);
354 1 : assert(channel_dns);
355 1 : dns_peer->RegisterXmppChannel(channel_dns);
356 :
357 :
358 1 : dns_peer->UpdateConnectionInfo(channel_dns->GetPeerState());
359 1 : agent_->set_dns_xmpp_client(client_dns, count);
360 1 : agent_->set_dns_xmpp_channel(dns_peer, count);
361 1 : agent_->set_dns_xmpp_init(xmpp_dns, count);
362 : }
363 2 : count++;
364 : }
365 : }
366 :
367 1 : void VNController::Connect() {
368 : /* Connect to Control-Node Xmpp Server */
369 1 : controller_list_chksum_ = Agent::GetInstance()->GetControllerlistChksum();
370 1 : XmppServerConnect();
371 :
372 : /* Connect to DNS Xmpp Server */
373 1 : dns_list_chksum_ = Agent::GetInstance()->GetDnslistChksum();
374 1 : DnsXmppServerConnect();
375 :
376 : /* Inits */
377 1 : agent_->controller()->increment_multicast_sequence_number();
378 1 : agent_->set_cn_mcast_builder(NULL);
379 1 : agent_ifmap_vm_export_.reset(new AgentIfMapVmExport(agent_));
380 1 : agent_->oper_db()->global_system_config()->gres_parameters().
381 1 : Register(boost::bind(&VNController::GracefulRestartConfigListener,
382 : this));
383 1 : }
384 :
385 : // Disconnect on agent shutdown.
386 1 : void VNController::XmppServerDisConnect() {
387 : XmppClient *cl;
388 1 : uint8_t count = 0;
389 1 : disconnect_ = true;
390 3 : while (count < MAX_XMPP_SERVERS) {
391 2 : if ((cl = agent_->controller_ifmap_xmpp_client(count)) != NULL) {
392 0 : cl->Shutdown();
393 : }
394 : // Delpeer walk for channel slot = count
395 2 : StartDelPeerWalk(agent_->controller_xmpp_channel_ref(count));
396 : // Delpeer walk done for timedout channels which used to represent this
397 : // slot.
398 2 : FlushTimedOutChannels(count);
399 2 : count ++;
400 : }
401 1 : }
402 :
403 : // Test-only code to verify that xmpp timeout has been updated correctly.
404 0 : bool VNController::VerifyXmppServerTimeout(uint32_t to) {
405 : XmppClient *cl;
406 0 : uint8_t count = 0;
407 0 : while (count < MAX_XMPP_SERVERS) {
408 0 : if ((cl = agent_->controller_ifmap_xmpp_client(count)) != NULL) {
409 0 : if (to != cl->XmppTimeOut(XmppInit::kControlNodeJID))
410 0 : return false;
411 : }
412 0 : count++;
413 : }
414 0 : return true;
415 : }
416 :
417 : // Update agent-controller xmpp connection witth new timeout value.
418 0 : void VNController::XmppServerUpdate(uint8_t xmpp_hold_time) {
419 : XmppClient *cl;
420 0 : uint8_t count = 0;
421 0 : while (count < MAX_XMPP_SERVERS) {
422 0 : if ((cl = agent_->controller_ifmap_xmpp_client(count)) != NULL) {
423 0 : cl->UpdateTimeOut(xmpp_hold_time, XmppInit::kControlNodeJID);
424 : }
425 0 : count ++;
426 : }
427 0 : }
428 :
429 1 : void VNController::DnsXmppServerDisConnect() {
430 : XmppClient *cl;
431 1 : uint8_t count = 0;
432 3 : while (count < MAX_XMPP_SERVERS) {
433 2 : if ((cl = agent_->dns_xmpp_client(count)) != NULL) {
434 0 : cl->Shutdown();
435 : }
436 2 : count ++;
437 : }
438 1 : }
439 :
440 4 : void VNController::StartDelPeerWalk(AgentXmppChannelPtr ptr) {
441 4 : if (!ptr.get())
442 2 : return;
443 :
444 2 : ptr.get()->bgp_peer_id()->DelPeerRoutes(
445 : boost::bind(&VNController::DelPeerWalkDone, this, ptr.get()),
446 : ptr.get()->sequence_number());
447 2 : delpeer_walks_.push_back(ptr);
448 : }
449 :
450 : //During delete of xmpp channel, check if BGP peer is deleted.
451 : //If not agent never got a channel down state and is being removed
452 : //as it is not part of discovery list.
453 : //Artificially inject NOT_READY in agent xmpp channel.
454 2 : void VNController::DeleteAgentXmppChannel(uint8_t idx) {
455 2 : AgentXmppChannel *channel = agent_->controller_xmpp_channel(idx);
456 2 : if (!channel)
457 0 : return;
458 :
459 2 : BgpPeer *bgp_peer = channel->bgp_peer_id();
460 2 : if (bgp_peer != NULL) {
461 : //Defer delete of channel till delete walk of bgp peer is over.
462 : //Till walk is over, unregister as table listener is not done and there
463 : //may be notifications(which will be ignored though, but valid pointer is
464 : //needed). BgpPeer destructor will handle deletion of channel.
465 2 : AgentXmppChannel::HandleAgentXmppClientChannelEvent(channel,
466 : xmps::NOT_READY);
467 2 : channel->Unregister();
468 : }
469 : //Every delete of channel should delete flow of bgp-as-a-service,
470 : //which is using this CN.
471 2 : if (xmpp_channel_down_cb_.empty() == false) {
472 2 : xmpp_channel_down_cb_(idx);
473 : }
474 : }
475 :
476 : //Trigger shutdown and cleanup of routes for the client
477 1 : void VNController::DisConnect() {
478 1 : XmppServerDisConnect();
479 1 : DnsXmppServerDisConnect();
480 1 : }
481 :
482 2 : void VNController::Cleanup() {
483 2 : uint8_t count = 0;
484 : XmppClient *cl;
485 6 : while (count < MAX_XMPP_SERVERS) {
486 4 : if ((cl = agent_->controller_ifmap_xmpp_client(count)) != NULL) {
487 1 : DisConnectControllerIfmapServer(count);
488 : }
489 4 : if ((cl = agent_->dns_xmpp_client(count)) != NULL) {
490 1 : DisConnectDnsServer(count);
491 : }
492 4 : count++;
493 : }
494 :
495 2 : agent_->controller()->increment_multicast_sequence_number();
496 2 : agent_->set_cn_mcast_builder(NULL);
497 2 : agent_ifmap_vm_export_.reset();
498 2 : }
499 :
500 :
501 0 : AgentXmppChannel *VNController::FindAgentXmppChannel(
502 : const std::string &server_ip) {
503 :
504 0 : uint8_t count = 0;
505 0 : while (count < MAX_XMPP_SERVERS) {
506 0 : AgentXmppChannel *ch = agent_->controller_xmpp_channel(count);
507 0 : if (ch && (ch->GetXmppServer().compare(server_ip) == 0)) {
508 0 : return ch;
509 : }
510 0 : count++;
511 : }
512 :
513 0 : return NULL;
514 : }
515 :
516 2 : const string VNController::MakeConnectionPrefix(bool is_dns) const {
517 2 : string name_prefix;
518 2 : if (is_dns) {
519 1 : name_prefix = agent_->xmpp_dns_server_prefix();
520 : } else {
521 1 : name_prefix = agent_->xmpp_control_node_prefix();
522 : }
523 2 : return name_prefix;
524 0 : }
525 :
526 2 : void VNController::DeleteConnectionInfo(const std::string &addr, bool is_dns)
527 : const {
528 2 : boost::asio::ip::tcp::endpoint ep;
529 2 : boost::system::error_code ec;
530 2 : ep.address(AddressFromString(addr, &ec));
531 2 : const string name = ep.address().to_string();
532 2 : const string &name_prefix = MakeConnectionPrefix(is_dns);
533 4 : agent_->connection_state()->Delete(process::ConnectionType::XMPP,
534 4 : name_prefix + name);
535 2 : }
536 :
537 2 : void VNController::DelPeerWalkDone(AgentXmppChannel* ptr) {
538 2 : ControllerDelPeerDataType data(new ControllerDelPeerData(ptr));
539 : ControllerWorkQueueDataType base_data =
540 2 : boost::static_pointer_cast<ControllerWorkQueueData>(data);
541 2 : work_queue_.Enqueue(base_data);
542 2 : }
543 :
544 2 : void VNController::DelPeerWalkDoneProcess(AgentXmppChannel *channel) {
545 2 : DynamicPeer::ProcessDelete(channel->bgp_peer_id());
546 2 : for (AgentXmppChannelListIter it = delpeer_walks_.begin();
547 2 : it != delpeer_walks_.end(); it++) {
548 2 : if ((*it).get() == channel) {
549 2 : delpeer_walks_.erase(it);
550 2 : break;
551 : }
552 : }
553 : //delete channel;
554 2 : if (disconnect_ & delpeer_walks_.empty())
555 1 : Cleanup();
556 2 : }
557 :
558 6 : void VNController::FlushTimedOutChannels(uint8_t idx) {
559 6 : for (AgentXmppChannelListIter it = timed_out_channels_[idx].begin();
560 8 : it != timed_out_channels_[idx].end(); it++) {
561 2 : StartDelPeerWalk((*it));
562 : }
563 6 : timed_out_channels_[idx].clear();
564 6 : }
565 :
566 2 : void VNController::DisConnectControllerIfmapServer(uint8_t idx) {
567 :
568 : // Managed Delete of XmppClient object, which deletes the
569 : // dependent XmppClientConnection object and
570 : // scoped XmppChannel object
571 2 : XmppClient *xc = agent_->controller_ifmap_xmpp_client(idx);
572 : //In case of UT xc can be NULL
573 2 : if (!agent_->test_mode() || xc) {
574 1 : xc->UnRegisterConnectionEvent(xmps::BGP);
575 1 : xc->Shutdown(); // ManagedDelete
576 : }
577 2 : agent_->set_controller_ifmap_xmpp_client(NULL, idx);
578 :
579 : //cleanup AgentXmppChannel
580 2 : DeleteAgentXmppChannel(idx);
581 : //Trigger removal from service inuse list for discovery
582 : //cleanup AgentIfmapXmppChannel
583 2 : timed_out_channels_[idx].push_back(agent_->controller_xmpp_channel_ref(idx));
584 2 : agent_->controller_xmpp_channel(idx)->UpdateConnectionInfo(xmps::TIMEDOUT);
585 2 : agent_->reset_controller_xmpp_channel(idx);
586 :
587 2 : delete agent_->ifmap_xmpp_channel(idx);
588 2 : agent_->set_ifmap_xmpp_channel(NULL, idx);
589 :
590 2 : if (!agent_->test_mode() || xc) {
591 1 : agent_->controller_ifmap_xmpp_init(idx)->Reset();
592 1 : delete agent_->controller_ifmap_xmpp_init(idx);
593 1 : agent_->set_controller_ifmap_xmpp_init(NULL, idx);
594 1 : DeleteConnectionInfo(agent_->controller_ifmap_xmpp_server(idx), false);
595 : }
596 :
597 2 : agent_->reset_controller_ifmap_xmpp_server(idx);
598 2 : }
599 :
600 0 : bool VNController::AgentReConfigXmppServerConnectedExists(
601 : const std::string &server_ip,
602 : std::vector<std::string> resp) {
603 :
604 0 : std::vector<std::string>::iterator iter;
605 0 : int8_t count = -1;
606 0 : int8_t min_iter = std::min(static_cast<int>(resp.size()), MAX_XMPP_SERVERS);
607 0 : for (iter = resp.begin(); ++count < min_iter; iter++) {
608 0 : std::vector<string> servers;
609 0 : boost::split(servers, *iter, boost::is_any_of(":"));
610 0 : if (servers[0].compare(server_ip) == 0) {
611 0 : return true;
612 : }
613 0 : }
614 0 : return false;
615 : }
616 :
617 :
618 0 : void VNController::ReConnectXmppServer() {
619 :
620 : std::vector<string> controller_list =
621 0 : Agent::GetInstance()->GetControllerlist();
622 :
623 : ControllerReConfigDataType data(new ControllerReConfigData(
624 : g_vns_constants.XMPP_SERVER_DISCOVERY_SERVICE_NAME,
625 0 : controller_list));
626 : ControllerWorkQueueDataType base_data =
627 0 : boost::static_pointer_cast<ControllerWorkQueueData>(data);
628 0 : work_queue_.Enqueue(base_data);
629 0 : }
630 :
631 0 : void VNController::ReConnectDnsServer() {
632 :
633 : std::vector<string> dns_list =
634 0 : Agent::GetInstance()->GetDnslist();
635 :
636 : ControllerReConfigDataType data(new ControllerReConfigData(
637 : g_vns_constants.DNS_SERVER_DISCOVERY_SERVICE_NAME,
638 0 : dns_list));
639 : ControllerWorkQueueDataType base_data =
640 0 : boost::static_pointer_cast<ControllerWorkQueueData>(data);
641 0 : work_queue_.Enqueue(base_data);
642 0 : }
643 :
644 0 : void VNController::ReConnect() {
645 :
646 0 : if (controller_list_chksum_ !=
647 0 : Agent::GetInstance()->GetControllerlistChksum()) {
648 :
649 0 : controller_list_chksum_ =
650 0 : Agent::GetInstance()->GetControllerlistChksum();
651 :
652 0 : ReConnectXmppServer();
653 : }
654 :
655 0 : if (dns_list_chksum_ !=
656 0 : Agent::GetInstance()->GetDnslistChksum()) {
657 :
658 0 : dns_list_chksum_ =
659 0 : Agent::GetInstance()->GetDnslistChksum();
660 :
661 0 : ReConnectDnsServer();
662 : }
663 0 : }
664 :
665 0 : bool VNController::ApplyControllerReConfigInternal(std::vector<string> resp) {
666 0 : XmppServerAddressParser addressParser(XMPP_SERVER_PORT, MAX_XMPP_SERVERS);
667 0 : std::vector<string>::iterator iter;
668 0 : int8_t count = -1;
669 :
670 : /* Apply only MAX_XMPP_SERVERS from list as the list is ordered */
671 0 : int8_t min_iter = std::min(static_cast<int>(resp.size()), MAX_XMPP_SERVERS);
672 0 : for (iter = resp.begin(); ++count < min_iter; iter++) {
673 0 : std::string server_ip;
674 : uint16_t server_port;
675 0 : addressParser.ParseAddress(*iter, &server_ip, &server_port);
676 0 : std::string str_port = integerToString(server_port);
677 :
678 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection, "XMPP ReConfig Apply Server Ip",
679 : count, server_ip, str_port);
680 :
681 0 : AgentXmppChannel *chnl = FindAgentXmppChannel(server_ip);
682 0 : if (chnl) {
683 0 : if (chnl->GetXmppChannel() &&
684 0 : chnl->GetXmppChannel()->GetPeerState() == xmps::READY) {
685 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
686 : " XMPP ReConfig Server is READY and running, ignore", count,
687 : chnl->GetXmppServer(), "");
688 0 : continue;
689 : } else {
690 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
691 : " XMPP ReConfig Server is NOT_READY, ignore", count,
692 : chnl->GetXmppServer(), "");
693 0 : continue;
694 : }
695 :
696 : } else {
697 :
698 0 : for (uint8_t xs_idx = 0; xs_idx < MAX_XMPP_SERVERS; xs_idx++) {
699 :
700 0 : if (agent_->controller_ifmap_xmpp_server(xs_idx).empty()) {
701 :
702 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
703 : "Set Xmpp ReConfig Channel",
704 : xs_idx, server_ip, str_port);
705 :
706 0 : agent_->set_controller_ifmap_xmpp_server(server_ip, xs_idx);
707 0 : agent_->set_controller_ifmap_xmpp_port(server_port, xs_idx);
708 0 : break;
709 :
710 0 : } else if (agent_->controller_xmpp_channel(xs_idx)) {
711 :
712 0 : if (AgentReConfigXmppServerConnectedExists(
713 0 : agent_->controller_ifmap_xmpp_server(xs_idx), resp)) {
714 :
715 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
716 : "Retain Xmpp ReConfig Channel ", xs_idx,
717 : agent_->controller_ifmap_xmpp_server(xs_idx), "");
718 0 : continue;
719 : }
720 :
721 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
722 : "ReSet Xmpp ReConfig Channel ", xs_idx,
723 : agent_->controller_ifmap_xmpp_server(xs_idx),
724 : server_ip);
725 :
726 0 : DisConnectControllerIfmapServer(xs_idx);
727 0 : agent_->set_controller_ifmap_xmpp_server(server_ip, xs_idx);
728 0 : agent_->set_controller_ifmap_xmpp_port(server_port, xs_idx);
729 0 : break;
730 : }
731 : }
732 : }
733 0 : }
734 :
735 0 : XmppServerConnect();
736 0 : return true;
737 : }
738 :
739 0 : AgentDnsXmppChannel *VNController::FindAgentDnsXmppChannel(
740 : const std::string &server_ip) {
741 :
742 0 : uint8_t count = 0;
743 0 : while (count < MAX_XMPP_SERVERS) {
744 0 : AgentDnsXmppChannel *ch = agent_->dns_xmpp_channel(count);
745 0 : if (ch && (ch->GetXmppServer().compare(server_ip) == 0)) {
746 0 : return ch;
747 : }
748 0 : count++;
749 : }
750 :
751 0 : return NULL;
752 : }
753 :
754 1 : void VNController::DisConnectDnsServer(uint8_t idx) {
755 :
756 : // Managed Delete of XmppClient object, which deletes the
757 : // dependent XmppClientConnection object and
758 : // scoped_ptr XmppChannel
759 1 : XmppClient *xc = agent_->dns_xmpp_client(idx);
760 1 : xc->UnRegisterConnectionEvent(xmps::DNS);
761 1 : xc->Shutdown();
762 1 : agent_->set_dns_xmpp_client(NULL, idx);
763 :
764 : //cleanup AgentDnsXmppChannel
765 1 : delete agent_->dns_xmpp_channel(idx);
766 1 : agent_->set_dns_xmpp_channel(NULL, idx);
767 :
768 1 : agent_->dns_xmpp_init(idx)->Reset();
769 1 : delete agent_->dns_xmpp_init(idx);
770 1 : agent_->set_dns_xmpp_init(NULL, idx);
771 :
772 1 : DeleteConnectionInfo(agent_->dns_server(idx), true);
773 1 : agent_->reset_dns_server(idx);
774 1 : }
775 :
776 0 : bool VNController::ApplyDnsReConfigInternal(std::vector<string> resp) {
777 0 : XmppServerAddressParser addressParser(XMPP_DNS_SERVER_PORT, MAX_XMPP_SERVERS);
778 0 : std::vector<string>::iterator iter;
779 0 : int8_t count = -1;
780 :
781 : /* Apply only MAX_XMPP_SERVERS from list as the list is ordered */
782 0 : int8_t min_iter = std::min(static_cast<int>(resp.size()), MAX_XMPP_SERVERS);
783 0 : for (iter = resp.begin(); ++count < min_iter; iter++) {
784 0 : std::string server_ip;
785 : uint16_t server_port;
786 0 : addressParser.ParseAddress(*iter, &server_ip, &server_port);
787 0 : std::string str_port = integerToString(server_port);
788 :
789 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
790 : "DNS Server ReConfig Apply Server Ip",
791 : count, server_ip, str_port);
792 :
793 0 : AgentDnsXmppChannel *chnl = FindAgentDnsXmppChannel(server_ip);
794 0 : if (chnl) {
795 0 : if (chnl->GetXmppChannel() &&
796 0 : chnl->GetXmppChannel()->GetPeerState() == xmps::READY) {
797 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
798 : "DNS Server is READY and running, ignore", count,
799 : chnl->GetXmppServer(), "");
800 0 : continue;
801 : } else {
802 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
803 : "DNS Server is NOT_READY, ignore", count,
804 : chnl->GetXmppServer(), "");
805 0 : continue;
806 : }
807 : } else {
808 :
809 0 : for (uint8_t xs_idx = 0; xs_idx < MAX_XMPP_SERVERS; xs_idx++) {
810 :
811 0 : if (agent_->dns_server(xs_idx).empty()) {
812 :
813 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
814 : "Set Dns Xmpp Channel ",
815 : xs_idx, server_ip, str_port);
816 :
817 0 : agent_->set_dns_server(server_ip, xs_idx);
818 0 : agent_->set_dns_server_port(server_port, xs_idx);
819 0 : break;
820 :
821 0 : } else if (agent_->dns_xmpp_channel(xs_idx)) {
822 :
823 0 : if (AgentReConfigXmppServerConnectedExists(
824 0 : agent_->dns_server(xs_idx), resp)) {
825 :
826 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
827 : "Retain Dns Xmpp Channel ", xs_idx,
828 : agent_->dns_server(xs_idx), "");
829 0 : continue;
830 : }
831 :
832 0 : CONTROLLER_CONNECTIONS_TRACE(DiscoveryConnection,
833 : "ReSet Dns ReConfigChannel ", xs_idx,
834 : agent_->dns_server(xs_idx), server_ip);
835 :
836 0 : DisConnectDnsServer(xs_idx);
837 0 : agent_->set_dns_server(server_ip, xs_idx);
838 0 : agent_->set_dns_server_port(server_port, xs_idx);
839 0 : break;
840 : }
841 : }
842 : }
843 0 : }
844 :
845 0 : DnsXmppServerConnect();
846 0 : return true;
847 : }
848 :
849 : /*
850 : * Returns the number of active agentxmppchannel.
851 : * AgentXmppChannel is identified as active if it has a BGP peer
852 : * attached to it.
853 : */
854 0 : uint8_t VNController::ActiveXmppConnectionCount() {
855 0 : uint8_t active_xmpps = 0;
856 0 : for (uint8_t count = 0; count < MAX_XMPP_SERVERS; count++) {
857 0 : AgentXmppChannel *xc = agent_->controller_xmpp_channel(count);
858 0 : if (xc) {
859 : // Check if AgentXmppChannel has BGP peer
860 0 : if (xc->bgp_peer_id() != NULL)
861 0 : active_xmpps++;
862 : }
863 : }
864 :
865 0 : return active_xmpps;
866 : }
867 :
868 0 : AgentXmppChannel *VNController::GetActiveXmppChannel() {
869 0 : for (uint8_t count = 0; count < MAX_XMPP_SERVERS; count++) {
870 0 : AgentXmppChannel *xc = agent_->controller_xmpp_channel(count);
871 0 : if (xc) {
872 : // Check if AgentXmppChannel has BGP peer
873 0 : if (xc->bgp_peer_id() != NULL)
874 0 : return xc;
875 : }
876 : }
877 :
878 0 : return NULL;
879 : }
880 :
881 0 : void VNController::StartEndOfRibTxTimer() {
882 0 : uint8_t count = 0;
883 0 : while (count < MAX_XMPP_SERVERS) {
884 0 : if (agent_->controller_xmpp_channel(count))
885 0 : agent_->controller_xmpp_channel(count)->end_of_rib_tx_timer()->
886 0 : Start(agent_->controller_xmpp_channel(count));
887 0 : count++;
888 : }
889 0 : }
890 :
891 0 : void VNController::StopEndOfRibTx() {
892 0 : uint8_t count = 0;
893 0 : while (count < MAX_XMPP_SERVERS) {
894 0 : if (agent_->controller_xmpp_channel(count)) {
895 0 : agent_->controller_xmpp_channel(count)->
896 0 : end_of_rib_tx_timer()->Cancel();
897 0 : agent_->controller_xmpp_channel(count)->StopEndOfRibTxWalker();
898 : }
899 0 : count++;
900 : }
901 0 : }
902 :
903 27 : bool VNController::ControllerWorkQueueProcess(ControllerWorkQueueDataType data) {
904 :
905 : //DOM processing
906 : ControllerXmppDataType derived_xmpp_data =
907 27 : boost::dynamic_pointer_cast<ControllerXmppData>(data);
908 27 : if (derived_xmpp_data) {
909 0 : return XmppMessageProcess(derived_xmpp_data);
910 : }
911 :
912 : // VM Subscription message
913 : ControllerVmiSubscribeData *subscribe_data =
914 27 : boost::dynamic_pointer_cast<ControllerVmiSubscribeData>(data.get());
915 27 : if (subscribe_data && agent_ifmap_vm_export_.get()) {
916 24 : agent_ifmap_vm_export_->VmiEvent(subscribe_data);
917 24 : return true;
918 : }
919 :
920 : //ReConfig
921 : ControllerReConfigDataType reconfig_data =
922 3 : boost::dynamic_pointer_cast<ControllerReConfigData>(data);
923 3 : if (reconfig_data) {
924 0 : if (reconfig_data->service_name_.compare(
925 0 : g_vns_constants.XMPP_SERVER_DISCOVERY_SERVICE_NAME) == 0) {
926 0 : return ApplyControllerReConfigInternal(reconfig_data->server_list_);
927 0 : } else if (reconfig_data->service_name_.compare(
928 0 : g_vns_constants.DNS_SERVER_DISCOVERY_SERVICE_NAME) == 0) {
929 0 : return ApplyDnsReConfigInternal(reconfig_data->server_list_);
930 : } else {
931 0 : LOG(ERROR, "Unknown Service Name %s" << reconfig_data->service_name_);
932 0 : return true;
933 : }
934 : }
935 :
936 : ControllerDelPeerDataType del_peer_data =
937 3 : boost::dynamic_pointer_cast<ControllerDelPeerData>(data);
938 3 : if (del_peer_data) {
939 2 : DelPeerWalkDoneProcess(del_peer_data.get()->channel());
940 2 : return true;
941 : }
942 :
943 : AgentIfMapXmppChannel::EndOfConfigDataPtr end_of_config_data =
944 1 : boost::dynamic_pointer_cast<EndOfConfigData>(data);
945 2 : if (end_of_config_data &&
946 1 : (agent_->ifmap_xmpp_channel(agent_->ifmap_active_xmpp_server_index()) ==
947 2 : end_of_config_data->channel())) {
948 0 : end_of_config_data->channel()->ProcessEndOfConfig();
949 0 : return true;
950 : }
951 :
952 : //Connection retry for servers
953 : ControllerConnectRetryDataType connect_retry_data =
954 1 : boost::dynamic_pointer_cast<ControllerConnectRetryData>(data);
955 1 : if (connect_retry_data) {
956 0 : if (connect_retry_data->connect_xmpp_server()) {
957 0 : XmppServerConnect();
958 0 : return true;
959 : }
960 0 : if (connect_retry_data->connect_dns_xmpp_server()) {
961 0 : DnsXmppServerConnect();
962 0 : return true;
963 : }
964 : }
965 :
966 1 : return true;
967 27 : }
968 :
969 0 : bool VNController::XmppMessageProcess(ControllerXmppDataType data) {
970 0 : if (data->peer_id() == xmps::BGP) {
971 0 : if (data->config()) {
972 : AgentXmppChannel *peer =
973 0 : agent_->controller_xmpp_channel(data->channel_id());
974 0 : if (peer) {
975 0 : peer->ReceiveBgpMessage(data->dom());
976 : }
977 : } else {
978 : AgentXmppChannel *peer =
979 0 : agent_->controller_xmpp_channel(data->channel_id());
980 0 : if (peer) {
981 0 : AgentXmppChannel::HandleAgentXmppClientChannelEvent(peer,
982 : data->peer_state());
983 : }
984 : }
985 0 : } else if (data->peer_id() == xmps::CONFIG) {
986 : AgentIfMapXmppChannel *peer =
987 0 : agent_->ifmap_xmpp_channel(data->channel_id());
988 0 : if (peer) {
989 0 : peer->ReceiveConfigMessage(data->dom());
990 : }
991 0 : } else if (data->peer_id() == xmps::DNS) {
992 : AgentDnsXmppChannel *peer =
993 0 : agent_->dns_xmpp_channel(data->channel_id());
994 0 : if (data->config()) {
995 0 : if (peer) {
996 0 : peer->ReceiveDnsMessage(data->dom());
997 : }
998 : } else {
999 0 : if (peer) {
1000 0 : AgentDnsXmppChannel::HandleXmppClientChannelEvent(peer,
1001 : data->peer_state());
1002 : }
1003 : }
1004 : }
1005 :
1006 0 : return true;
1007 : }
1008 :
1009 25 : void VNController::Enqueue(ControllerWorkQueueDataType data) {
1010 25 : work_queue_.Enqueue(data);
1011 25 : }
1012 :
1013 0 : bool VNController::RxXmppMessageTrace(uint8_t peer_index,
1014 : const std::string &to_address,
1015 : int port, int size,
1016 : const std::string &msg,
1017 : const XmppStanza::XmppMessage *xmppmsg) {
1018 0 : const std::string &to = xmppmsg->to;
1019 0 : if (to.find(XmppInit::kBgpPeer) != string::npos) {
1020 0 : CONTROLLER_RX_ROUTE_MESSAGE_TRACE(Message, peer_index, to_address,
1021 : port, size, msg);
1022 0 : return true;
1023 0 : } else if (to.find(XmppInit::kConfigPeer) != string::npos) {
1024 0 : CONTROLLER_RX_CONFIG_MESSAGE_TRACE(Message, peer_index, to_address,
1025 : port, size, msg);
1026 0 : return true;
1027 : }
1028 0 : return false;
1029 : }
1030 :
1031 0 : bool VNController::TxXmppMessageTrace(uint8_t peer_index,
1032 : const std::string &to_address,
1033 : int port, int size,
1034 : const std::string &msg,
1035 : const XmppStanza::XmppMessage *xmppmsg) {
1036 0 : CONTROLLER_TX_MESSAGE_TRACE(Message, peer_index, to_address,
1037 : port, size, msg);
1038 0 : return true;
1039 : }
1040 :
1041 0 : bool VNController::IsWorkQueueEmpty() const {
1042 0 : return (work_queue_.IsQueueEmpty() == 0);
1043 : }
1044 :
1045 0 : MacAddress VNController::GetTunnelMac(const autogen::EnetNextHopType &nh) {
1046 0 : return MacAddress(nh.mac);
1047 : }
1048 :
1049 0 : MacAddress VNController::GetTunnelMac(const autogen::NextHopType &nh) {
1050 0 : return MacAddress();
1051 : }
1052 :
1053 0 : TunnelType::TypeBmap VNController::GetTypeBitmap
1054 : (const autogen::EnetTunnelEncapsulationListType &encap) {
1055 0 : TunnelType::TypeBmap bmap = 0;
1056 0 : for (autogen::EnetTunnelEncapsulationListType::const_iterator iter =
1057 0 : encap.begin(); iter != encap.end(); iter++) {
1058 : TunnelEncapType::Encap encap =
1059 0 : TunnelEncapType::TunnelEncapFromString(*iter);
1060 0 : if ((encap == TunnelEncapType::GRE) ||
1061 : (encap == TunnelEncapType::MPLS_O_GRE))
1062 0 : bmap |= (1 << TunnelType::MPLS_GRE);
1063 0 : if (encap == TunnelEncapType::MPLS_O_UDP)
1064 0 : bmap |= (1 << TunnelType::MPLS_UDP);
1065 0 : if (encap == TunnelEncapType::VXLAN)
1066 0 : bmap |= (1 << TunnelType::VXLAN);
1067 0 : if (encap == TunnelEncapType::NATIVE)
1068 0 : bmap |= (1 << TunnelType::NATIVE);
1069 0 : if (encap == TunnelEncapType::MPLS)
1070 0 : bmap |= (1 << TunnelType::MPLS_OVER_MPLS);
1071 : }
1072 0 : return bmap;
1073 : }
1074 :
1075 0 : TunnelType::TypeBmap VNController::GetTypeBitmap
1076 : (const autogen::TunnelEncapsulationListType &encap) {
1077 0 : TunnelType::TypeBmap bmap = 0;
1078 0 : for (autogen::TunnelEncapsulationListType::const_iterator iter =
1079 0 : encap.begin(); iter != encap.end(); iter++) {
1080 : TunnelEncapType::Encap encap =
1081 0 : TunnelEncapType::TunnelEncapFromString(*iter);
1082 0 : if ((encap == TunnelEncapType::GRE) ||
1083 : (encap == TunnelEncapType::MPLS_O_GRE))
1084 0 : bmap |= (1 << TunnelType::MPLS_GRE);
1085 0 : if (encap == TunnelEncapType::MPLS_O_UDP)
1086 0 : bmap |= (1 << TunnelType::MPLS_UDP);
1087 0 : if (encap == TunnelEncapType::NATIVE)
1088 0 : bmap |= (1 << TunnelType::NATIVE);
1089 0 : if (encap == TunnelEncapType::MPLS)
1090 0 : bmap |= (1 << TunnelType::MPLS_OVER_MPLS);
1091 : }
1092 0 : return bmap;
1093 : }
1094 :
1095 0 : TunnelType::TypeBmap VNController::GetTypeBitmap
1096 : (const autogen::McastTunnelEncapsulationListType &encap) {
1097 0 : TunnelType::TypeBmap bmap = 0;
1098 0 : for (autogen::McastTunnelEncapsulationListType::const_iterator iter =
1099 0 : encap.begin(); iter != encap.end(); iter++) {
1100 : TunnelEncapType::Encap encap =
1101 0 : TunnelEncapType::TunnelEncapFromString(*iter);
1102 0 : if ((encap == TunnelEncapType::GRE) ||
1103 : (encap == TunnelEncapType::MPLS_O_GRE))
1104 0 : bmap |= (1 << TunnelType::MPLS_GRE);
1105 0 : if (encap == TunnelEncapType::MPLS_O_UDP)
1106 0 : bmap |= (1 << TunnelType::MPLS_UDP);
1107 : }
1108 0 : return bmap;
1109 : }
1110 :
1111 0 : void VNController::GracefulRestartConfigListener() {
1112 0 : bool enable = agent_->oper_db()->global_system_config()->
1113 0 : gres_parameters().IsEnabled();
1114 :
1115 0 : for (uint8_t i = 0; i < MAX_XMPP_SERVERS; i++) {
1116 0 : if (agent_->ifmap_xmpp_channel(i)) {
1117 0 : agent_->ifmap_xmpp_channel(i)->end_of_config_timer()->
1118 0 : GresEnabled(enable);
1119 : }
1120 0 : if (agent_->controller_xmpp_channel(i)) {
1121 0 : agent_->controller_xmpp_channel(i)->end_of_rib_tx_timer()->
1122 0 : GresEnabled(enable);
1123 0 : agent_->controller_xmpp_channel(i)->end_of_rib_rx_timer()->
1124 0 : GresEnabled(enable);
1125 : }
1126 : }
1127 0 : }
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