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
|
#include <boost/bind.hpp>
#include <iostream>
#include "Swiften/LinkLocal/LinkLocalServiceBrowser.h"
#include "Swiften/LinkLocal/DNSSD/DNSSDBrowseQuery.h"
#include "Swiften/Network/HostAddress.h"
namespace Swift {
LinkLocalServiceBrowser::LinkLocalServiceBrowser(boost::shared_ptr<DNSSDQuerier> querier) : querier(querier), haveError(false) {
}
LinkLocalServiceBrowser::~LinkLocalServiceBrowser() {
assert(!isRunning());
}
void LinkLocalServiceBrowser::start() {
assert(!isRunning());
haveError = false;
browseQuery = querier->createBrowseQuery();
browseQuery->onServiceAdded.connect(
boost::bind(&LinkLocalServiceBrowser::handleServiceAdded, this, _1));
browseQuery->onServiceRemoved.connect(
boost::bind(&LinkLocalServiceBrowser::handleServiceRemoved, this, _1));
browseQuery->onError.connect(
boost::bind(&LinkLocalServiceBrowser::handleBrowseError, this));
browseQuery->startBrowsing();
}
void LinkLocalServiceBrowser::stop() {
assert(isRunning());
if (isRegistered()) {
unregisterService();
}
for (ResolveQueryMap::const_iterator i = resolveQueries.begin(); i != resolveQueries.end(); ++i) {
i->second->stop();
}
resolveQueries.clear();
services.clear();
browseQuery->stopBrowsing();
browseQuery.reset();
onStopped(haveError);
}
bool LinkLocalServiceBrowser::isRunning() const {
return browseQuery;
}
bool LinkLocalServiceBrowser::hasError() const {
return haveError;
}
bool LinkLocalServiceBrowser::isRegistered() const {
return registerQuery;
}
void LinkLocalServiceBrowser::registerService(const String& name, int port, const LinkLocalServiceInfo& info) {
assert(!registerQuery);
registerQuery = querier->createRegisterQuery(name, port, info);
registerQuery->onRegisterFinished.connect(
boost::bind(&LinkLocalServiceBrowser::handleRegisterFinished, this, _1));
registerQuery->registerService();
}
void LinkLocalServiceBrowser::unregisterService() {
assert(registerQuery);
registerQuery->unregisterService();
registerQuery.reset();
}
std::vector<LinkLocalService> LinkLocalServiceBrowser::getServices() const {
std::vector<LinkLocalService> result;
for (ServiceMap::const_iterator i = services.begin(); i != services.end(); ++i) {
result.push_back(LinkLocalService(i->first, i->second));
}
return result;
}
void LinkLocalServiceBrowser::handleServiceAdded(const DNSSDServiceID& service) {
boost::shared_ptr<DNSSDResolveServiceQuery> resolveQuery = querier->createResolveServiceQuery(service);
resolveQuery->onServiceResolved.connect(
boost::bind(&LinkLocalServiceBrowser::handleServiceResolved, this, service, _1));
std::pair<ResolveQueryMap::iterator, bool> r = resolveQueries.insert(std::make_pair(service, resolveQuery));
if (!r.second) {
r.first->second = resolveQuery;
}
resolveQuery->start();
}
void LinkLocalServiceBrowser::handleServiceRemoved(const DNSSDServiceID& service) {
ResolveQueryMap::iterator i = resolveQueries.find(service);
assert(i != resolveQueries.end());
i->second->stop();
resolveQueries.erase(i);
services.erase(service);
onServiceRemoved(service);
}
void LinkLocalServiceBrowser::handleServiceResolved(const DNSSDServiceID& service, const boost::optional<DNSSDResolveServiceQuery::Result>& result) {
if (result) {
std::pair<ServiceMap::iterator, bool> r = services.insert(std::make_pair(service, *result));
if (r.second) {
onServiceAdded(service);
}
else {
r.first->second = *result;
onServiceChanged(service);
}
}
}
void LinkLocalServiceBrowser::handleRegisterFinished(const boost::optional<DNSSDServiceID>& result) {
if (!result) {
haveError = true;
stop();
}
}
void LinkLocalServiceBrowser::handleBrowseError() {
haveError = true;
stop();
}
}
|
Swift