Revert of Break peerconnection_jni.cc into multiple files, in "pc" directory.

webrtc/sdk/android/src/jni/androidnetworkmonitor_jni.h

+/*
+ *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef WEBRTC_SDK_ANDROID_SRC_JNI_ANDROIDNETWORKMONITOR_JNI_H_
+#define WEBRTC_SDK_ANDROID_SRC_JNI_ANDROIDNETWORKMONITOR_JNI_H_
+
+#include "webrtc/rtc_base/networkmonitor.h"
+
+#include <stdint.h>
+
+#include <map>
+
+#include "webrtc/rtc_base/thread_checker.h"
+#include "webrtc/sdk/android/src/jni/jni_helpers.h"
+
+namespace webrtc_jni {
+
+typedef int64_t NetworkHandle;
+
+// c++ equivalent of java NetworkMonitorAutoDetect.ConnectionType.
+enum NetworkType {
+  NETWORK_UNKNOWN,
+  NETWORK_ETHERNET,
+  NETWORK_WIFI,
+  NETWORK_4G,
+  NETWORK_3G,
+  NETWORK_2G,
+  NETWORK_UNKNOWN_CELLULAR,
+  NETWORK_BLUETOOTH,
+  NETWORK_NONE
+};
+
+// The information is collected from Android OS so that the native code can get
+// the network type and handle (Android network ID) for each interface.
+struct NetworkInformation {
+  std::string interface_name;
+  NetworkHandle handle;
+  NetworkType type;
+  std::vector<rtc::IPAddress> ip_addresses;
+
+  std::string ToString() const;
+};
+
+class AndroidNetworkMonitor : public rtc::NetworkMonitorBase,
+                              public rtc::NetworkBinderInterface {
+ public:
+  AndroidNetworkMonitor();
+
+  // TODO(sakal): Remove once down stream dependencies have been updated.
+  static void SetAndroidContext(JNIEnv* jni, jobject context) {}
+
+  void Start() override;
+  void Stop() override;
+
+  rtc::NetworkBindingResult BindSocketToNetwork(
+      int socket_fd,
+      const rtc::IPAddress& address) override;
+  rtc::AdapterType GetAdapterType(const std::string& if_name) override;
+  void OnNetworkConnected(const NetworkInformation& network_info);
+  void OnNetworkDisconnected(NetworkHandle network_handle);
+  // Always expected to be called on the network thread.
+  void SetNetworkInfos(const std::vector<NetworkInformation>& network_infos);
+
+ private:
+  static jobject application_context_;
+  static int android_sdk_int_;
+  JNIEnv* jni() { return AttachCurrentThreadIfNeeded(); }
+
+  void OnNetworkConnected_w(const NetworkInformation& network_info);
+  void OnNetworkDisconnected_w(NetworkHandle network_handle);
+
+  ScopedGlobalRef<jclass> j_network_monitor_class_;
+  ScopedGlobalRef<jobject> j_network_monitor_;
+  rtc::ThreadChecker thread_checker_;
+  bool started_ = false;
+  std::map<std::string, rtc::AdapterType> adapter_type_by_name_;
+  std::map<rtc::IPAddress, NetworkHandle> network_handle_by_address_;
+  std::map<NetworkHandle, NetworkInformation> network_info_by_handle_;
+};
+
+class AndroidNetworkMonitorFactory : public rtc::NetworkMonitorFactory {
+ public:
+  AndroidNetworkMonitorFactory() {}
+
+  rtc::NetworkMonitorInterface* CreateNetworkMonitor() override;
+};
+
+}  // namespace webrtc_jni
+
+#endif  // WEBRTC_SDK_ANDROID_SRC_JNI_ANDROIDNETWORKMONITOR_JNI_H_