xbmc/platform/android/network/ZeroconfBrowserAndroid.h

   1 /*
   2  *  Copyright (C) 2017 Christian Browet
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #pragma once
  10
  11 #include "network/ZeroconfBrowser.h"
  12 #include "threads/Event.h"
  13
  14 #include "platform/android/activity/JNIXBMCNsdManagerDiscoveryListener.h"
  15 #include "platform/android/activity/JNIXBMCNsdManagerResolveListener.h"
  16
  17 #include <androidjni/NsdManager.h>
  18 #include <androidjni/NsdServiceInfo.h>
  19
  20 class CZeroconfBrowserAndroid;
  21
  22 class CZeroconfBrowserAndroidDiscover : public jni::CJNIXBMCNsdManagerDiscoveryListener
  23 {
  24 public:
  25   explicit CZeroconfBrowserAndroidDiscover(CZeroconfBrowserAndroid* browser);
  26   bool IsActive() { return m_isActive; }
  27
  28   // CJNINsdManagerDiscoveryListener interface
  29 public:
  30   void onDiscoveryStarted(const std::string& serviceType) override;
  31   void onDiscoveryStopped(const std::string& serviceType) override;
  32   void onServiceFound(const jni::CJNINsdServiceInfo& serviceInfo) override;
  33   void onServiceLost(const jni::CJNINsdServiceInfo& serviceInfo) override;
  34   void onStartDiscoveryFailed(const std::string& serviceType, int errorCode) override;
  35   void onStopDiscoveryFailed(const std::string& serviceType, int errorCode) override;
  36
  37 protected:
  38   CZeroconfBrowserAndroid* m_browser;
  39   bool m_isActive = false;
  40 };
  41
  42 class CZeroconfBrowserAndroidResolve : public jni::CJNIXBMCNsdManagerResolveListener
  43 {
  44 public:
  45   CZeroconfBrowserAndroidResolve();
  46
  47   // CJNINsdManagerResolveListener interface
  48 public:
  49   void onResolveFailed(const jni::CJNINsdServiceInfo& serviceInfo, int errorCode) override;
  50   void onServiceResolved(const jni::CJNINsdServiceInfo& serviceInfo) override;
  51
  52   CEvent m_resolutionDone;
  53   int m_errorCode;
  54   jni::CJNINsdServiceInfo m_retServiceInfo;
  55 };
  56
  57 class CZeroconfBrowserAndroid : public CZeroconfBrowser
  58 {
  59   friend class CZeroconfBrowserAndroidDiscover;
  60
  61 public:
  62   CZeroconfBrowserAndroid();
  63   ~CZeroconfBrowserAndroid() override;
  64
  65   // CZeroconfBrowser interface
  66 protected:
  67   bool doAddServiceType(const std::string& fcr_service_type) override;
  68   bool doRemoveServiceType(const std::string& fcr_service_type) override;
  69   std::vector<ZeroconfService> doGetFoundServices() override;
  70   bool doResolveService(ZeroconfService& fr_service, double f_timeout) override;
  71
  72   void addDiscoveredService(CZeroconfBrowserAndroidDiscover* browser, const CZeroconfBrowser::ZeroconfService& fcr_service);
  73   void removeDiscoveredService(CZeroconfBrowserAndroidDiscover* browser, const CZeroconfBrowser::ZeroconfService& fcr_service);
  74
  75 private:
  76   jni::CJNINsdManager m_manager;
  77
  78   //shared variables (with guard)
  79   CCriticalSection m_data_guard;
  80   typedef std::map<std::string, CZeroconfBrowserAndroidDiscover*> tBrowserMap;
  81   // tBrowserMap maps service types the corresponding browser
  82   tBrowserMap m_service_browsers;
  83   //tDiscoveredServicesMap maps browsers to their discovered services + a ref-count for each service
  84   //ref-count is needed, because a service might pop up more than once, if there's more than one network-iface
  85   typedef std::map<CZeroconfBrowserAndroidDiscover*, std::vector<std::pair<ZeroconfService, unsigned int> > > tDiscoveredServicesMap;
  86   tDiscoveredServicesMap m_discovered_services;
  87 };