-
Notifications
You must be signed in to change notification settings - Fork 390
/
controller_dns.cc
141 lines (122 loc) · 5.02 KB
/
controller_dns.cc
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
/*
* Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
*/
#include "base/util.h"
#include "base/logging.h"
#include "base/connection_info.h"
#include "cmn/agent_cmn.h"
#include "controller/controller_dns.h"
#include "controller/controller_init.h"
#include "xmpp/xmpp_channel.h"
#include "pugixml/pugixml.hpp"
#include "xml/xml_pugi.h"
#include "bind/xmpp_dns_agent.h"
#include <cfg/discovery_agent.h>
using process::ConnectionState;
using process::ConnectionType;
using process::ConnectionStatus;
AgentDnsXmppChannel::DnsMessageHandler AgentDnsXmppChannel::dns_message_handler_cb_;
AgentDnsXmppChannel::DnsXmppEventHandler AgentDnsXmppChannel::dns_xmpp_event_handler_cb_;
AgentDnsXmppChannel::AgentDnsXmppChannel(Agent *agent,
std::string xmpp_server, uint8_t xs_idx)
: channel_(NULL), xmpp_server_(xmpp_server), xs_idx_(xs_idx),
agent_(agent) {
}
AgentDnsXmppChannel::~AgentDnsXmppChannel() {
if (channel_) {
channel_->UnRegisterReceive(xmps::DNS);
channel_->UnRegisterWriteReady(xmps::DNS);
}
}
void AgentDnsXmppChannel::RegisterXmppChannel(XmppChannel *channel) {
if (channel == NULL)
return;
channel_ = channel;
channel->RegisterReceive(xmps::DNS,
boost::bind(&AgentDnsXmppChannel::ReceiveInternal, this, _1));
}
bool AgentDnsXmppChannel::SendMsg(uint8_t *msg, std::size_t len) {
if (!channel_ || channel_->GetPeerState() != xmps::READY)
return false;
return channel_->Send((const uint8_t *)msg, len, xmps::DNS,
boost::bind(&AgentDnsXmppChannel::WriteReadyCb, this, msg, _1));
}
void AgentDnsXmppChannel::ReceiveMsg(const XmppStanza::XmppMessage *msg) {
if (msg && msg->type == XmppStanza::IQ_STANZA) {
XmlBase *impl = msg->dom.get();
XmlPugi *pugi = reinterpret_cast<XmlPugi *>(impl);
pugi::xml_node node = pugi->FindNode("dns");
DnsAgentXmpp::XmppType xmpp_type;
uint32_t xid;
uint16_t code;
std::auto_ptr<DnsUpdateData> xmpp_data(new DnsUpdateData);
if (DnsAgentXmpp::DnsAgentXmppDecode(node, xmpp_type, xid,
code, xmpp_data.get())) {
dns_message_handler_cb_(xmpp_data.release(), xmpp_type, NULL,
false);
}
}
}
void AgentDnsXmppChannel::ReceiveInternal(const XmppStanza::XmppMessage *msg) {
ReceiveMsg(msg);
}
std::string AgentDnsXmppChannel::ToString() const {
return channel_->ToString();
}
void AgentDnsXmppChannel::WriteReadyCb(uint8_t *msg,
const boost::system::error_code &ec) {
delete [] msg;
}
void AgentDnsXmppChannel::XmppClientChannelEvent(AgentDnsXmppChannel *peer,
xmps::PeerState state) {
std::auto_ptr<XmlBase> dummy_dom;
boost::shared_ptr<ControllerXmppData> data(new ControllerXmppData(xmps::DNS,
state,
peer->GetXmppServerIdx(),
dummy_dom,
false));
peer->agent()->controller()->Enqueue(data);
}
void AgentDnsXmppChannel::HandleXmppClientChannelEvent(AgentDnsXmppChannel *peer,
xmps::PeerState state) {
peer->UpdateConnectionInfo(state);
if (state == xmps::READY) {
peer->dns_xmpp_event_handler_cb_(peer);
} else if (state == xmps::TIMEDOUT) {
DiscoveryAgentClient *dac = Agent::GetInstance()->discovery_client();
if (dac) {
dac->ReDiscoverDNS();
}
}
}
void AgentDnsXmppChannel::set_dns_message_handler_cb(DnsMessageHandler cb) {
dns_message_handler_cb_ = cb;
}
void AgentDnsXmppChannel::set_dns_xmpp_event_handler_cb(DnsXmppEventHandler cb){
dns_xmpp_event_handler_cb_ = cb;
}
void AgentDnsXmppChannel::UpdateConnectionInfo(xmps::PeerState state) {
if (agent_->connection_state() == NULL)
return;
boost::asio::ip::tcp::endpoint ep;
boost::system::error_code ec;
std::string last_state_name;
ep.address(boost::asio::ip::address::from_string(agent_->dns_server
(xs_idx_), ec));
ep.port(agent_->dns_server_port(xs_idx_));
const std::string name = agent_->xmpp_dns_server_prefix() +
ep.address().to_string();
XmppChannel *xc = GetXmppChannel();
if (xc) {
last_state_name = xc->LastStateName();
}
if (state == xmps::READY) {
agent_->connection_state()->Update(ConnectionType::XMPP, name,
ConnectionStatus::UP, ep,
last_state_name);
} else {
agent_->connection_state()->Update(ConnectionType::XMPP, name,
ConnectionStatus::DOWN, ep,
last_state_name);
}
}