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
|
/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#include <Swiften/Network/StaticDomainNameResolver.h>
#include <boost/bind.hpp>
#include <boost/lexical_cast.hpp>
#include <Swiften/Network/DomainNameResolveError.h>
#include <Swiften/EventLoop/EventOwner.h>
#include <string>
using namespace Swift;
namespace {
struct ServiceQuery : public DomainNameServiceQuery, public boost::enable_shared_from_this<ServiceQuery> {
ServiceQuery(const std::string& service, Swift::StaticDomainNameResolver* resolver, EventLoop* eventLoop, boost::shared_ptr<EventOwner> owner) : eventLoop(eventLoop), service(service), resolver(resolver), owner(owner) {}
virtual void run() {
if (!resolver->getIsResponsive()) {
return;
}
std::vector<DomainNameServiceQuery::Result> results;
for(StaticDomainNameResolver::ServicesCollection::const_iterator i = resolver->getServices().begin(); i != resolver->getServices().end(); ++i) {
if (i->first == service) {
results.push_back(i->second);
}
}
eventLoop->postEvent(boost::bind(&ServiceQuery::emitOnResult, shared_from_this(), results), owner);
}
void emitOnResult(std::vector<DomainNameServiceQuery::Result> results) {
onResult(results);
}
EventLoop* eventLoop;
std::string service;
StaticDomainNameResolver* resolver;
boost::shared_ptr<EventOwner> owner;
};
struct AddressQuery : public DomainNameAddressQuery, public boost::enable_shared_from_this<AddressQuery> {
AddressQuery(const std::string& host, StaticDomainNameResolver* resolver, EventLoop* eventLoop, boost::shared_ptr<EventOwner> owner) : eventLoop(eventLoop), host(host), resolver(resolver), owner(owner) {}
virtual void run() {
if (!resolver->getIsResponsive()) {
return;
}
StaticDomainNameResolver::AddressesMap::const_iterator i = resolver->getAddresses().find(host);
if (i != resolver->getAddresses().end()) {
eventLoop->postEvent(
boost::bind(&AddressQuery::emitOnResult, shared_from_this(), i->second, boost::optional<DomainNameResolveError>()));
}
else {
eventLoop->postEvent(boost::bind(&AddressQuery::emitOnResult, shared_from_this(), std::vector<HostAddress>(), boost::optional<DomainNameResolveError>(DomainNameResolveError())), owner);
}
}
void emitOnResult(std::vector<HostAddress> results, boost::optional<DomainNameResolveError> error) {
onResult(results, error);
}
EventLoop* eventLoop;
std::string host;
StaticDomainNameResolver* resolver;
boost::shared_ptr<EventOwner> owner;
};
}
class StaticDomainNameResolverEventOwner : public EventOwner {
public:
~StaticDomainNameResolverEventOwner() {
}
};
namespace Swift {
StaticDomainNameResolver::StaticDomainNameResolver(EventLoop* eventLoop) : eventLoop(eventLoop), isResponsive(true), owner(new StaticDomainNameResolverEventOwner()) {
}
StaticDomainNameResolver::~StaticDomainNameResolver() {
eventLoop->removeEventsFromOwner(owner);
}
void StaticDomainNameResolver::addAddress(const std::string& domain, const HostAddress& address) {
addresses[domain].push_back(address);
}
void StaticDomainNameResolver::addService(const std::string& service, const DomainNameServiceQuery::Result& result) {
services.push_back(std::make_pair(service, result));
}
void StaticDomainNameResolver::addXMPPClientService(const std::string& domain, const HostAddressPort& address) {
static int hostid = 0;
std::string hostname(std::string("host-") + boost::lexical_cast<std::string>(hostid));
hostid++;
addService("_xmpp-client._tcp." + domain, ServiceQuery::Result(hostname, address.getPort(), 0, 0));
addAddress(hostname, address.getAddress());
}
void StaticDomainNameResolver::addXMPPClientService(const std::string& domain, const std::string& hostname, int port) {
addService("_xmpp-client._tcp." + domain, ServiceQuery::Result(hostname, port, 0, 0));
}
boost::shared_ptr<DomainNameServiceQuery> StaticDomainNameResolver::createServiceQuery(const std::string& name) {
return boost::shared_ptr<DomainNameServiceQuery>(new ServiceQuery(name, this, eventLoop, owner));
}
boost::shared_ptr<DomainNameAddressQuery> StaticDomainNameResolver::createAddressQuery(const std::string& name) {
return boost::shared_ptr<DomainNameAddressQuery>(new AddressQuery(name, this, eventLoop, owner));
}
}
|
