diff options
Diffstat (limited to '')
| -rw-r--r-- | src/cryptonote_basic/miner.cpp | 112 |
1 files changed, 86 insertions, 26 deletions
diff --git a/src/cryptonote_basic/miner.cpp b/src/cryptonote_basic/miner.cpp index 6928a0ded..49126d910 100644 --- a/src/cryptonote_basic/miner.cpp +++ b/src/cryptonote_basic/miner.cpp @@ -846,40 +846,100 @@ namespace cryptonote #elif defined(__linux__) - // i've only tested on UBUNTU, these paths might be different on other systems - // need to figure out a way to make this more flexible - std::string power_supply_path = ""; - const std::string POWER_SUPPLY_STATUS_PATHS[] = - { - "/sys/class/power_supply/ACAD/online", - "/sys/class/power_supply/AC/online", - "/sys/class/power_supply/AC0/online", - "/sys/class/power_supply/ADP0/online" - }; + // Use the power_supply class http://lxr.linux.no/#linux+v4.10.1/Documentation/power/power_supply_class.txt + std::string power_supply_class_path = "/sys/class/power_supply"; - for(const std::string& path : POWER_SUPPLY_STATUS_PATHS) + boost::tribool on_battery = boost::logic::tribool(boost::logic::indeterminate); + if (boost::filesystem::is_directory(power_supply_class_path)) { - if( epee::file_io_utils::is_file_exist(path) ) + const boost::filesystem::directory_iterator end_itr; + for (boost::filesystem::directory_iterator iter(power_supply_class_path); iter != end_itr; ++iter) { - power_supply_path = path; - break; + const boost::filesystem::path& power_supply_path = iter->path(); + if (boost::filesystem::is_directory(power_supply_path)) + { + std::ifstream power_supply_present_stream((power_supply_path / "present").string()); + if (power_supply_present_stream.fail()) + { + LOG_PRINT_L0("Unable to read from " << power_supply_path << " to check if power supply present"); + continue; + } + + if (power_supply_present_stream.get() != '1') + { + LOG_PRINT_L4("Power supply not present at " << power_supply_path); + continue; + } + + boost::filesystem::path power_supply_type_path = power_supply_path / "type"; + if (boost::filesystem::is_regular_file(power_supply_type_path)) + { + std::ifstream power_supply_type_stream(power_supply_type_path.string()); + if (power_supply_type_stream.fail()) + { + LOG_PRINT_L0("Unable to read from " << power_supply_type_path << " to check power supply type"); + continue; + } + + std::string power_supply_type; + std::getline(power_supply_type_stream, power_supply_type); + + // If there is an AC adapter that's present and online we can break early + if (boost::starts_with(power_supply_type, "Mains")) + { + boost::filesystem::path power_supply_online_path = power_supply_path / "online"; + if (boost::filesystem::is_regular_file(power_supply_online_path)) + { + std::ifstream power_supply_online_stream(power_supply_online_path.string()); + if (power_supply_online_stream.fail()) + { + LOG_PRINT_L0("Unable to read from " << power_supply_online_path << " to check ac power supply status"); + continue; + } + + if (power_supply_online_stream.get() == '1') + { + return boost::logic::tribool(false); + } + } + } + else if (boost::starts_with(power_supply_type, "Battery") && boost::logic::indeterminate(on_battery)) + { + boost::filesystem::path power_supply_status_path = power_supply_path / "status"; + if (boost::filesystem::is_regular_file(power_supply_status_path)) + { + std::ifstream power_supply_status_stream(power_supply_status_path.string()); + if (power_supply_status_stream.fail()) + { + LOG_PRINT_L0("Unable to read from " << power_supply_status_path << " to check battery power supply status"); + continue; + } + + // Possible status are Charging, Full, Discharging, Not Charging, and Unknown + // We are only need to handle negative states right now + std::string power_supply_status; + std::getline(power_supply_status_stream, power_supply_status); + if (boost::starts_with(power_supply_status, "Charging") || boost::starts_with(power_supply_status, "Full")) + { + on_battery = boost::logic::tribool(false); + } + + if (boost::starts_with(power_supply_status, "Discharging")) + { + on_battery = boost::logic::tribool(true); + } + } + } + } + } } } - if( power_supply_path.empty() ) + if (boost::logic::indeterminate(on_battery)) { - LOG_ERROR("Couldn't find battery/power status file, can't determine if plugged in!"); - return boost::logic::tribool(boost::logic::indeterminate);; + LOG_ERROR("couldn't query power status from " << power_supply_class_path); } - - std::ifstream power_stream(power_supply_path); - if( power_stream.fail() ) - { - LOG_ERROR("failed to open '" << power_supply_path << "'"); - return boost::logic::tribool(boost::logic::indeterminate);; - } - - return boost::logic::tribool( (power_stream.get() != '1') ); + return on_battery; #endif |