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
|
/*
* Copyright (C) 2012-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "network/ZeroconfBrowser.h"
#include "threads/CriticalSection.h"
#include "threads/Thread.h"
#include <map>
#include <memory>
#include <utility>
#include <vector>
#include <dns_sd.h>
//platform specific implementation of zeroconfbrowser interface using native os x APIs
class CZeroconfBrowserMDNS : public CZeroconfBrowser
{
public:
CZeroconfBrowserMDNS();
~CZeroconfBrowserMDNS();
private:
///implementation if CZeroconfBrowser interface
///@{
virtual bool doAddServiceType(const std::string& fcr_service_type);
virtual bool doRemoveServiceType(const std::string& fcr_service_type);
virtual std::vector<CZeroconfBrowser::ZeroconfService> doGetFoundServices();
virtual bool doResolveService(CZeroconfBrowser::ZeroconfService& fr_service, double f_timeout);
///@}
/// browser callback
static void DNSSD_API BrowserCallback(DNSServiceRef browser,
DNSServiceFlags flags,
uint32_t interfaceIndex,
DNSServiceErrorType errorCode,
const char *serviceName,
const char *regtype,
const char *replyDomain,
void *context);
/// GetAddrInfo callback
static void DNSSD_API GetAddrInfoCallback(DNSServiceRef sdRef,
DNSServiceFlags flags,
uint32_t interfaceIndex,
DNSServiceErrorType errorCode,
const char *hostname,
const struct sockaddr *address,
uint32_t ttl,
void *context
);
/// resolve callback
static void DNSSD_API ResolveCallback(DNSServiceRef sdRef,
DNSServiceFlags flags,
uint32_t interfaceIndex,
DNSServiceErrorType errorCode,
const char *fullname,
const char *hosttarget,
uint16_t port, /* In network byte order */
uint16_t txtLen,
const unsigned char *txtRecord,
void *context
);
/// adds the service to list of found services
void addDiscoveredService(DNSServiceRef browser, CZeroconfBrowser::ZeroconfService const& fcr_service);
/// removes the service from list of found services
void removeDiscoveredService(DNSServiceRef browser, CZeroconfBrowser::ZeroconfService const& fcr_service);
// win32: process replies from the bonjour daemon
void ProcessResults();
//shared variables (with guard)
CCriticalSection m_data_guard;
// tBrowserMap maps service types the corresponding browser
typedef std::map<std::string, DNSServiceRef> tBrowserMap;
tBrowserMap m_service_browsers;
//tDiscoveredServicesMap maps browsers to their discovered services + a ref-count for each service
//ref-count is needed, because a service might pop up more than once, if there's more than one network-iface
typedef std::map<DNSServiceRef, std::vector<std::pair<ZeroconfService, unsigned int> > > tDiscoveredServicesMap;
tDiscoveredServicesMap m_discovered_services;
DNSServiceRef m_browser;
CZeroconfBrowser::ZeroconfService m_resolving_service;
CEvent m_resolved_event;
CEvent m_addrinfo_event;
};
|
