xbmc/platform/android/utils/AndroidInterfaceForCLog.cpp

   1 /*
   2  *  Copyright (C) 2020 Team Kodi
   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 #include "platform/android/utils/AndroidInterfaceForCLog.h"
  10
  11 #include "CompileInfo.h"
  12
  13 #include <dlfcn.h>
  14 #include <spdlog/sinks/android_sink.h>
  15 #include <spdlog/sinks/dist_sink.h>
  16
  17 // On some Android platforms debug logging is deactivated.
  18 // We try to activate debug logging for our app via function "__android_log_set_minimum_priority" from "/system/lib/liblog.so".
  19 // The function is defined in API level 30 (Android 11) as:
  20 //   int32_t __android_log_set_minimum_priority(int32_t priority);
  21 void ActivateAndroidDebugLogging()
  22 {
  23   void* libHandle = dlopen("liblog.so", RTLD_LAZY);
  24   if (libHandle)
  25   {
  26     void* funcPtr = dlsym(libHandle, "__android_log_set_minimum_priority");
  27     if (funcPtr)
  28     {
  29       typedef int32_t (*android_log_set_minimum_priority_func)(int32_t);
  30       reinterpret_cast<android_log_set_minimum_priority_func>(funcPtr)(ANDROID_LOG_DEBUG);
  31     }
  32     dlclose(libHandle);
  33   }
  34 }
  35
  36 std::unique_ptr<IPlatformLog> IPlatformLog::CreatePlatformLog()
  37 {
  38   ActivateAndroidDebugLogging();
  39   return std::make_unique<CAndroidInterfaceForCLog>();
  40 }
  41
  42 void CAndroidInterfaceForCLog::AddSinks(
  43     std::shared_ptr<spdlog::sinks::dist_sink<std::mutex>> distributionSink) const
  44 {
  45   distributionSink->add_sink(
  46       std::make_shared<spdlog::sinks::android_sink_st>(CCompileInfo::GetAppName()));
  47 }