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controller_init.cc
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/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/logging.h"
#include "base/timer.h"
#include "base/contrail_ports.h"
#include "base/connection_info.h"
#include <sandesh/sandesh.h>
#include <sandesh/sandesh_types.h>
#include <sandesh/sandesh_trace.h>
#include "cmn/agent_cmn.h"
#include "init/agent_param.h"
#include "xmpp/xmpp_init.h"
#include "pugixml/pugixml.hpp"
#include "oper/vrf.h"
#include "oper/peer.h"
#include "oper/mirror_table.h"
#include "oper/multicast.h"
#include "controller/controller_types.h"
#include "controller/controller_init.h"
#include "controller/controller_cleanup_timer.h"
#include "controller/controller_peer.h"
#include "controller/controller_ifmap.h"
#include "controller/controller_dns.h"
#include "controller/controller_export.h"
#include "bind/bind_resolver.h"
using namespace boost::asio;
SandeshTraceBufferPtr ControllerTraceBuf(SandeshTraceBufferCreate(
"Controller", 1000));
ControllerDiscoveryData::ControllerDiscoveryData(std::vector<DSResponse> resp) :
ControllerWorkQueueData(), discovery_response_(resp) {
}
VNController::VNController(Agent *agent)
: agent_(agent), multicast_sequence_number_(0),
unicast_cleanup_timer_(agent), multicast_cleanup_timer_(agent),
config_cleanup_timer_(agent),
work_queue_(TaskScheduler::GetInstance()->GetTaskId("Agent::ControllerXmpp"), 0,
boost::bind(&VNController::ControllerWorkQueueProcess, this, _1)) {
decommissioned_peer_list_.clear();
}
VNController::~VNController() {
work_queue_.Shutdown();
}
void VNController::XmppServerConnect() {
uint8_t count = 0;
while (count < MAX_XMPP_SERVERS) {
if (!agent_->controller_ifmap_xmpp_server(count).empty()) {
AgentXmppChannel *ch = agent_->controller_xmpp_channel(count);
if (ch) {
// Channel is created, do not disturb
CONTROLLER_TRACE(DiscoveryConnection,
"XMPP Server is already present, ignore discovery response",
count, ch->GetXmppServer(), "");
count++;
continue;
}
XmppChannelConfig *xmpp_cfg = new XmppChannelConfig(true);
xmpp_cfg->ToAddr = XmppInit::kControlNodeJID;
boost::system::error_code ec;
xmpp_cfg->FromAddr = agent_->agent_name();
xmpp_cfg->NodeAddr = XmppInit::kPubSubNS;
xmpp_cfg->endpoint.address(
ip::address::from_string(agent_->controller_ifmap_xmpp_server(count), ec));
assert(ec.value() == 0);
xmpp_cfg->auth_enabled = agent_->params()->xmpp_auth_enabled();
if (xmpp_cfg->auth_enabled) {
xmpp_cfg->path_to_server_cert = agent_->params()->xmpp_server_cert();
}
uint32_t port = agent_->controller_ifmap_xmpp_port(count);
if (!port) {
port = XMPP_SERVER_PORT;
}
xmpp_cfg->endpoint.port(port);
// Create Xmpp Client
XmppClient *client;
if (xmpp_cfg->auth_enabled) {
client = new XmppClient(agent_->event_manager(), xmpp_cfg);
} else {
client = new XmppClient(agent_->event_manager());
}
XmppInit *xmpp = new XmppInit();
xmpp->AddXmppChannelConfig(xmpp_cfg);
agent_->SetAgentMcastLabelRange(count);
// create bgp peer
AgentXmppChannel *bgp_peer = new AgentXmppChannel(agent_,
agent_->controller_ifmap_xmpp_server(count),
agent_->multicast_label_range(count),
count);
client->RegisterConnectionEvent(xmps::BGP,
boost::bind(&AgentXmppChannel::XmppClientChannelEvent,
bgp_peer, _2));
xmpp->InitClient(client);
XmppChannel *channel = client->
FindChannel(XmppInit::kControlNodeJID);
assert(channel);
bgp_peer->RegisterXmppChannel(channel);
bgp_peer->UpdateConnectionInfo(channel->GetPeerState());
// create ifmap peer
AgentIfMapXmppChannel *ifmap_peer =
new AgentIfMapXmppChannel(agent_, channel, count);
agent_->set_controller_xmpp_channel(bgp_peer, count);
agent_->set_ifmap_xmpp_channel(ifmap_peer, count);
agent_->set_controller_ifmap_xmpp_client(client, count);
agent_->set_controller_ifmap_xmpp_init(xmpp, count);
}
count++;
}
}
void VNController::DnsXmppServerConnect() {
if (agent_->GetDnsProto() == NULL) {
return;
}
uint8_t count = 0;
while (count < MAX_XMPP_SERVERS) {
if (!agent_->dns_server(count).empty()) {
AgentDnsXmppChannel *ch = agent_->dns_xmpp_channel(count);
if (ch) {
// Channel is up and running, do not disturb
CONTROLLER_TRACE(DiscoveryConnection,
"DNS Server is already present, ignore discovery response",
count, ch->GetXmppServer(), "");
count++;
continue;
}
// create Xmpp channel with DNS server
XmppInit *xmpp_dns = new XmppInit();
XmppClient *client_dns = new XmppClient(agent_->event_manager());
// create dns peer
AgentDnsXmppChannel *dns_peer = new AgentDnsXmppChannel(agent_,
agent_->dns_server(count),
count);
client_dns->RegisterConnectionEvent(xmps::DNS,
boost::bind(&AgentDnsXmppChannel::HandleXmppClientChannelEvent,
dns_peer, _2));
XmppChannelConfig *xmpp_cfg_dns = new XmppChannelConfig(true);
//XmppChannelConfig xmpp_cfg_dns(true);
xmpp_cfg_dns->ToAddr = XmppInit::kDnsNodeJID;
boost::system::error_code ec;
xmpp_cfg_dns->FromAddr = agent_->agent_name() + "/dns";
xmpp_cfg_dns->NodeAddr = "";
xmpp_cfg_dns->endpoint.address(
ip::address::from_string(agent_->dns_server(count), ec));
assert(ec.value() == 0);
xmpp_cfg_dns->endpoint.port(ContrailPorts::DnsXmpp());
xmpp_dns->AddXmppChannelConfig(xmpp_cfg_dns);
xmpp_dns->InitClient(client_dns);
XmppChannel *channel_dns = client_dns->FindChannel(
XmppInit::kDnsNodeJID);
assert(channel_dns);
dns_peer->RegisterXmppChannel(channel_dns);
dns_peer->UpdateConnectionInfo(channel_dns->GetPeerState());
agent_->set_dns_xmpp_client(client_dns, count);
agent_->set_dns_xmpp_channel(dns_peer, count);
agent_->set_dns_xmpp_init(xmpp_dns, count);
BindResolver::Resolver()->SetupResolver(
BindResolver::DnsServer(agent_->dns_server(count),
agent_->dns_server_port(count)),
count);
}
count++;
}
}
void VNController::Connect() {
/* Connect to Control-Node Xmpp Server */
XmppServerConnect();
/* Connect to DNS Xmpp Server */
DnsXmppServerConnect();
/* Inits */
agent_->controller()->increment_multicast_sequence_number();
agent_->set_cn_mcast_builder(NULL);
agent_ifmap_vm_export_.reset(new AgentIfMapVmExport(agent_));
}
void VNController::XmppServerDisConnect() {
XmppClient *cl;
uint8_t count = 0;
while (count < MAX_XMPP_SERVERS) {
if ((cl = agent_->controller_ifmap_xmpp_client(count)) != NULL) {
BgpPeer *peer = agent_->controller_xmpp_channel(count)->bgp_peer_id();
// Sets the context of walk to decide on callback when walks are
// done, setting to true results in callback of cleanup for
// VNController once all walks are done for deleting peer info.
if (peer)
peer->set_is_disconnect_walk(true);
//shutdown triggers cleanup of routes learnt from
//the control-node.
cl->Shutdown();
}
count ++;
}
}
void VNController::DnsXmppServerDisConnect() {
XmppClient *cl;
uint8_t count = 0;
while (count < MAX_XMPP_SERVERS) {
if ((cl = agent_->dns_xmpp_client(count)) != NULL) {
cl->Shutdown();
}
count ++;
}
}
//During delete of xmpp channel, check if BGP peer is deleted.
//If not agent never got a channel down state and is being removed
//as it is not part of discovery list.
//Artificially inject NOT_READY in agent xmpp channel.
void VNController::DeleteAgentXmppChannel(AgentXmppChannel *channel) {
if (!channel)
return;
BgpPeer *bgp_peer = channel->bgp_peer_id();
if (bgp_peer != NULL) {
AgentXmppChannel::HandleAgentXmppClientChannelEvent(channel,
xmps::NOT_READY);
}
delete channel;
}
//Trigger shutdown and cleanup of routes for the client
void VNController::DisConnect() {
XmppServerDisConnect();
DnsXmppServerDisConnect();
}
void VNController::Cleanup() {
uint8_t count = 0;
XmppClient *cl;
while (count < MAX_XMPP_SERVERS) {
if ((cl = agent_->controller_ifmap_xmpp_client(count)) != NULL) {
DisConnectControllerIfmapServer(count);
}
if ((cl = agent_->dns_xmpp_client(count)) != NULL) {
DisConnectDnsServer(count);
}
count++;
}
agent_->controller()->increment_multicast_sequence_number();
agent_->set_cn_mcast_builder(NULL);
decommissioned_peer_list_.clear();
agent_ifmap_vm_export_.reset();
}
AgentXmppChannel *VNController::FindAgentXmppChannel(
const std::string &server_ip) {
uint8_t count = 0;
while (count < MAX_XMPP_SERVERS) {
AgentXmppChannel *ch = agent_->controller_xmpp_channel(count);
if (ch && (ch->GetXmppServer().compare(server_ip) == 0)) {
return ch;
}
count++;
}
return NULL;
}
const string VNController::MakeConnectionPrefix(bool is_dns) const {
string name_prefix;
if (is_dns) {
name_prefix = agent_->xmpp_dns_server_prefix();
} else {
name_prefix = agent_->xmpp_control_node_prefix();
}
return name_prefix;
}
void VNController::DeleteConnectionInfo(const std::string &addr, bool is_dns)
const {
const string &name_prefix = MakeConnectionPrefix(is_dns);
agent_->connection_state()->Delete(process::ConnectionType::XMPP,
name_prefix + addr);
}
void VNController::DisConnectControllerIfmapServer(uint8_t idx) {
DeleteConnectionInfo(agent_->controller_ifmap_xmpp_server(idx), false);
// Managed Delete of XmppClient object, which deletes the
// dependent XmppClientConnection object and
// scoped XmppChannel object
XmppClient *xc = agent_->controller_ifmap_xmpp_client(idx);
xc->UnRegisterConnectionEvent(xmps::BGP);
xc->Shutdown(); // ManagedDelete
agent_->set_controller_ifmap_xmpp_client(NULL, idx);
//cleanup AgentXmppChannel
agent_->ResetAgentMcastLabelRange(idx);
DeleteAgentXmppChannel(agent_->controller_xmpp_channel(idx));
agent_->set_controller_xmpp_channel(NULL, idx);
//cleanup AgentIfmapXmppChannel
delete agent_->ifmap_xmpp_channel(idx);
agent_->set_ifmap_xmpp_channel(NULL, idx);
agent_->controller_ifmap_xmpp_init(idx)->Reset();
delete agent_->controller_ifmap_xmpp_init(idx);
agent_->set_controller_ifmap_xmpp_init(NULL, idx);
agent_->reset_controller_ifmap_xmpp_server(idx);
}
bool VNController::AgentXmppServerExists(const std::string &server_ip,
std::vector<DSResponse> resp) {
std::vector<DSResponse>::iterator iter;
for (iter = resp.begin(); iter != resp.end(); iter++) {
DSResponse dr = *iter;
if (dr.ep.address().to_string().compare(server_ip) == 0) {
return true;
}
}
return false;
}
void VNController::ApplyDiscoveryXmppServices(std::vector<DSResponse> resp) {
ControllerDiscoveryDataType data(new ControllerDiscoveryData(resp));
ControllerWorkQueueDataType base_data =
boost::static_pointer_cast<ControllerWorkQueueData>(data);
work_queue_.Enqueue(base_data);
}
bool VNController::ApplyDiscoveryXmppServicesInternal(std::vector<DSResponse> resp) {
std::vector<DSResponse>::iterator iter;
int8_t count = -1;
agent_->reset_controller_ifmap_discovery_xmpp_servers();
for (iter = resp.begin(); iter != resp.end(); iter++) {
DSResponse dr = *iter;
count ++;
CONTROLLER_TRACE(DiscoveryConnection, "XMPP Discovery Server Response",
count, dr.ep.address().to_string(), integerToString(dr.ep.port()));
agent_->set_controller_ifmap_discovery_xmpp_server(
dr.ep.address().to_string(), count);
agent_->set_controller_ifmap_discovery_xmpp_port(
dr.ep.port(), count);
AgentXmppChannel *chnl = FindAgentXmppChannel(dr.ep.address().to_string());
if (chnl) {
if (chnl->GetXmppChannel() &&
chnl->GetXmppChannel()->GetPeerState() == xmps::READY) {
CONTROLLER_TRACE(DiscoveryConnection,
"XMPP Server is READY and running, ignore", count,
chnl->GetXmppServer(), "");
continue;
} else {
CONTROLLER_TRACE(DiscoveryConnection,
"XMPP Server is NOT_READY, ignore", count,
chnl->GetXmppServer(), "");
continue;
}
} else {
for (uint8_t xs_idx = 0; xs_idx < MAX_XMPP_SERVERS; xs_idx++) {
if (agent_->controller_ifmap_xmpp_server(xs_idx).empty()) {
CONTROLLER_TRACE(DiscoveryConnection, "Set Xmpp Channel",
xs_idx, dr.ep.address().to_string(),
integerToString(dr.ep.port()));
agent_->set_controller_ifmap_xmpp_server(
dr.ep.address().to_string(), xs_idx);
agent_->set_controller_ifmap_xmpp_port(dr.ep.port(), xs_idx);
break;
} else if (agent_->controller_xmpp_channel(xs_idx) &&
(agent_->controller_xmpp_channel(xs_idx)->GetXmppChannel()->
GetPeerState() == xmps::NOT_READY)) {
if (AgentXmppServerExists(
agent_->controller_ifmap_xmpp_server(xs_idx), resp)) {
CONTROLLER_TRACE(DiscoveryConnection,
"Retain Xmpp Channel ", xs_idx,
agent_->controller_ifmap_xmpp_server(xs_idx), "");
continue;
}
CONTROLLER_TRACE(DiscoveryConnection,
"ReSet Xmpp Channel ", xs_idx,
agent_->controller_ifmap_xmpp_server(xs_idx),
dr.ep.address().to_string());
DisConnectControllerIfmapServer(xs_idx);
agent_->set_controller_ifmap_xmpp_server(
dr.ep.address().to_string(),xs_idx);
agent_->set_controller_ifmap_xmpp_port(dr.ep.port(), xs_idx);
break;
}
}
}
}
/* Remove stale Servers if DOWN */
for (uint8_t idx = 0; idx < MAX_XMPP_SERVERS; idx++) {
if (agent_->controller_xmpp_channel(idx) != NULL) {
if (!AgentXmppServerExists(
agent_->controller_ifmap_xmpp_server(idx), resp)) {
if (agent_->controller_xmpp_channel(idx)->GetXmppChannel()->
GetPeerState() == xmps::NOT_READY) {
CONTROLLER_TRACE(DiscoveryConnection, "Cleanup Older Xmpp ",
idx, agent_->controller_ifmap_xmpp_server(idx), "");
DisConnectControllerIfmapServer(idx);
agent_->reset_controller_ifmap_xmpp_server(idx);
}
}
}
}
XmppServerConnect();
return true;
}
AgentDnsXmppChannel *VNController::FindAgentDnsXmppChannel(
const std::string &server_ip) {
uint8_t count = 0;
while (count < MAX_XMPP_SERVERS) {
AgentDnsXmppChannel *ch = agent_->dns_xmpp_channel(count);
if (ch && (ch->GetXmppServer().compare(server_ip) == 0)) {
return ch;
}
count++;
}
return NULL;
}
void VNController::DisConnectDnsServer(uint8_t idx) {
DeleteConnectionInfo(agent_->dns_server(idx), true);
// Managed Delete of XmppClient object, which deletes the
// dependent XmppClientConnection object and
// scoped_ptr XmppChannel
XmppClient *xc = agent_->dns_xmpp_client(idx);
xc->UnRegisterConnectionEvent(xmps::DNS);
xc->Shutdown();
agent_->set_dns_xmpp_client(NULL, idx);
//cleanup AgentDnsXmppChannel
delete agent_->dns_xmpp_channel(idx);
agent_->set_dns_xmpp_channel(NULL, idx);
agent_->dns_xmpp_init(idx)->Reset();
delete agent_->dns_xmpp_init(idx);
agent_->set_dns_xmpp_init(NULL, idx);
agent_->reset_dns_server(idx);
agent_->set_dns_xmpp_server_index(-1);
}
void VNController::ApplyDiscoveryDnsXmppServices(std::vector<DSResponse> resp) {
std::vector<DSResponse>::iterator iter;
int8_t count = -1;
agent_->reset_dns_discovery_servers();
for (iter = resp.begin(); iter != resp.end(); iter++) {
DSResponse dr = *iter;
count++;
CONTROLLER_TRACE(DiscoveryConnection, "DNS Discovery Server Response", count,
dr.ep.address().to_string(), integerToString(dr.ep.port()));
agent_->set_dns_discovery_server(dr.ep.address().to_string(), count);
agent_->set_dns_discovery_port(dr.ep.port(), count);
AgentDnsXmppChannel *chnl = FindAgentDnsXmppChannel(dr.ep.address().to_string());
if (chnl) {
if (chnl->GetXmppChannel() &&
chnl->GetXmppChannel()->GetPeerState() == xmps::READY) {
CONTROLLER_TRACE(DiscoveryConnection,
"DNS Server is READY and running, ignore", count,
chnl->GetXmppServer(), "");
continue;
} else {
CONTROLLER_TRACE(DiscoveryConnection,
"DNS Server is NOT_READY, ignore", count,
chnl->GetXmppServer(), "");
continue;
}
} else {
for (uint8_t xs_idx = 0; xs_idx < MAX_XMPP_SERVERS; xs_idx++) {
if (agent_->dns_server(xs_idx).empty()) {
CONTROLLER_TRACE(DiscoveryConnection,
"Set Dns Xmpp Channel ", xs_idx,
dr.ep.address().to_string(), integerToString(dr.ep.port()));
agent_->set_dns_server(dr.ep.address().to_string(), xs_idx);
agent_->set_dns_server_port(dr.ep.port(), xs_idx);
break;
} else if (agent_->dns_xmpp_channel(xs_idx) &&
(agent_->dns_xmpp_channel(xs_idx)->GetXmppChannel()->GetPeerState()
== xmps::NOT_READY)) {
if (AgentXmppServerExists(
agent_->dns_server(xs_idx), resp)) {
CONTROLLER_TRACE(DiscoveryConnection,
"Retain Dns Xmpp Channel ", xs_idx,
agent_->dns_server(xs_idx), "");
continue;
}
CONTROLLER_TRACE(DiscoveryConnection,
"ReSet Dns Xmpp Channel ", xs_idx,
agent_->dns_server(xs_idx),
dr.ep.address().to_string());
DisConnectDnsServer(xs_idx);
agent_->set_dns_server(dr.ep.address().to_string(), xs_idx);
agent_->set_dns_server_port(dr.ep.port(), xs_idx);
break;
}
}
}
}
/* Remove stale Servers if DOWN*/
for (uint8_t idx = 0; idx < MAX_XMPP_SERVERS; idx++) {
if (agent_->dns_xmpp_channel(idx) != NULL) {
if (!AgentXmppServerExists(
agent_->dns_server(idx), resp)) {
if (agent_->dns_xmpp_channel(idx)->GetXmppChannel()->
GetPeerState() == xmps::NOT_READY) {
CONTROLLER_TRACE(DiscoveryConnection, "Cleanup Older Dns Xmpp",
idx, agent_->dns_server(idx), "");
DisConnectDnsServer(idx);
agent_->reset_dns_server(idx);
}
}
}
}
DnsXmppServerConnect();
}
/*
* Returns the number of active agentxmppchannel.
* AgentXmppChannel is identified as active if it has a BGP peer
* attached to it.
*/
uint8_t VNController::ActiveXmppConnectionCount() {
uint8_t active_xmpps = 0;
for (uint8_t count = 0; count < MAX_XMPP_SERVERS; count++) {
AgentXmppChannel *xc = agent_->controller_xmpp_channel(count);
if (xc) {
// Check if AgentXmppChannel has BGP peer
if (xc->bgp_peer_id() != NULL)
active_xmpps++;
}
}
return active_xmpps;
}
AgentXmppChannel *VNController::GetActiveXmppChannel() {
for (uint8_t count = 0; count < MAX_XMPP_SERVERS; count++) {
AgentXmppChannel *xc = agent_->controller_xmpp_channel(count);
if (xc) {
// Check if AgentXmppChannel has BGP peer
if (xc->bgp_peer_id() != NULL)
return xc;
}
}
return NULL;
}
void VNController::AddToDecommissionedPeerList(BgpPeerPtr peer) {
decommissioned_peer_list_.push_back(peer);
}
void VNController::ControllerPeerHeadlessAgentDelDoneEnqueue(BgpPeer *bgp_peer) {
ControllerDeletePeerDataType data(new ControllerDeletePeerData(bgp_peer));
ControllerWorkQueueDataType base_data =
boost::static_pointer_cast<ControllerWorkQueueData>(data);
work_queue_.Enqueue(base_data);
}
/*
* Callback function executed on expiration of unicast stale timer.
* Goes through decommisoned peer list and removes the peer.
* This results in zero referencing(shared_ptr) of BgpPeer object and
* destruction of same.
*/
bool VNController::ControllerPeerHeadlessAgentDelDone(BgpPeer *bgp_peer) {
// Retain the disconnect state for peer as bgp_peer will be freed
// below.
bool is_disconnect_walk = bgp_peer->is_disconnect_walk();
for (BgpPeerIterator it = decommissioned_peer_list_.begin();
it != decommissioned_peer_list_.end(); ++it) {
BgpPeer *peer = static_cast<BgpPeer *>((*it).get());
if (peer == bgp_peer) {
//Release BGP peer, ideally this should be the last reference being
//released for peer.
decommissioned_peer_list_.remove(*it);
break;
}
}
// Delete walk for peer was issued via shutdown of agentxmppchannel
// If all bgp peers are gone(i.e. walk for delpeer for all decommissioned
// peer is over), go ahead with cleanup.
if (decommissioned_peer_list_.empty() && is_disconnect_walk) {
agent()->controller()->Cleanup();
}
return true;
}
/*
* Callback for unicast timer expiration.
* Iterates through all decommisioned peers and issues
* delete peer walk for each one with peer as self
*/
void VNController::UnicastCleanupTimerExpired() {
for (BgpPeerIterator it = decommissioned_peer_list_.begin();
it != decommissioned_peer_list_.end(); ++it) {
BgpPeer *bgp_peer = static_cast<BgpPeer *>((*it).get());
bgp_peer->DelPeerRoutes(
boost::bind(&VNController::ControllerPeerHeadlessAgentDelDoneEnqueue,
this, bgp_peer));
}
}
void VNController::StartUnicastCleanupTimer(
AgentXmppChannel *agent_xmpp_channel) {
// In non-headless mode trigger cleanup
if (!(agent_->headless_agent_mode())) {
UnicastCleanupTimerExpired();
return;
}
unicast_cleanup_timer_.Start(agent_xmpp_channel);
}
// Multicast info is maintained using sequence number and not peer,
// so on expiration of timer send the sequence number specified at start of
// timer.
void VNController::MulticastCleanupTimerExpired(uint64_t peer_sequence) {
MulticastHandler::GetInstance()->FlushPeerInfo(peer_sequence);
}
void VNController::StartMulticastCleanupTimer(
AgentXmppChannel *agent_xmpp_channel) {
// In non-headless mode trigger cleanup
if (!(agent_->headless_agent_mode())) {
MulticastCleanupTimerExpired(multicast_sequence_number_);
return;
}
// Pass the current peer sequence. In the timer expiration interval
// if new peer sends new info sequence number wud have incremented in
// multicast.
multicast_cleanup_timer_.peer_sequence_ = agent_->controller()->
multicast_sequence_number();
multicast_cleanup_timer_.Start(agent_xmpp_channel);
}
void VNController::StartConfigCleanupTimer(
AgentXmppChannel *agent_xmpp_channel) {
config_cleanup_timer_.Start(agent_xmpp_channel);
}
// Helper to iterate thru all decommisioned peer and delete the vrf state for
// specified vrf entry. Called on per VRF basis.
void VNController::DeleteVrfStateOfDecommisionedPeers(
DBTablePartBase *partition,
DBEntryBase *e) {
for (BgpPeerIterator it = decommissioned_peer_list_.begin();
it != decommissioned_peer_list_.end();
++it) {
BgpPeer *bgp_peer = static_cast<BgpPeer *>((*it).get());
bgp_peer->DeleteVrfState(partition, e);
}
}
bool VNController::ControllerWorkQueueProcess(ControllerWorkQueueDataType data) {
//DOM processing
ControllerXmppDataType derived_xmpp_data =
boost::dynamic_pointer_cast<ControllerXmppData>(data);
if (derived_xmpp_data) {
return XmppMessageProcess(derived_xmpp_data);
}
//Walk done processing
ControllerDeletePeerDataType derived_walk_done_data =
boost::dynamic_pointer_cast<ControllerDeletePeerData>(data);
if (derived_walk_done_data) {
return ControllerPeerHeadlessAgentDelDone(derived_walk_done_data->
bgp_peer());
}
//Discovery response for servers
ControllerDiscoveryDataType discovery_data =
boost::dynamic_pointer_cast<ControllerDiscoveryData>(data);
if (discovery_data) {
return ApplyDiscoveryXmppServicesInternal(discovery_data->
discovery_response_);
}
return true;
}
bool VNController::XmppMessageProcess(ControllerXmppDataType data) {
if (data->peer_id() == xmps::BGP) {
if (data->config()) {
AgentXmppChannel *peer =
agent_->controller_xmpp_channel(data->channel_id());
if (peer) {
peer->ReceiveBgpMessage(data->dom());
}
} else {
AgentXmppChannel *peer =
agent_->controller_xmpp_channel(data->channel_id());
if (peer) {
AgentXmppChannel::HandleAgentXmppClientChannelEvent(peer,
data->peer_state());
}
}
} else if (data->peer_id() == xmps::CONFIG) {
AgentIfMapXmppChannel *peer =
agent_->ifmap_xmpp_channel(data->channel_id());
if (peer) {
peer->ReceiveConfigMessage(data->dom());
}
} else if (data->peer_id() == xmps::DNS) {
AgentDnsXmppChannel *peer =
agent_->dns_xmpp_channel(data->channel_id());
if (peer) {
AgentDnsXmppChannel::HandleXmppClientChannelEvent(peer,
data->peer_state());
}
}
return true;
}
void VNController::Enqueue(ControllerWorkQueueDataType data) {
work_queue_.Enqueue(data);
}