| /* |
| * Copyright 2010, Intel Corporation |
| * |
| * This file is part of PowerTOP |
| * |
| * This program file is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program in a file named COPYING; if not, write to the |
| * Free Software Foundation, Inc, |
| * 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA |
| * or just google for it. |
| * |
| * Authors: |
| * Arjan van de Ven <arjan@linux.intel.com> |
| */ |
| #include <iostream> |
| #include <fstream> |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <dirent.h> |
| #include <libgen.h> |
| #include <unistd.h> |
| |
| |
| using namespace std; |
| |
| #include "device.h" |
| #include "rfkill.h" |
| #include "../parameters/parameters.h" |
| |
| #include <string.h> |
| #include <unistd.h> |
| |
| rfkill::rfkill(char *_name, char *path): device() |
| { |
| char line[4096]; |
| char filename[4096]; |
| char devname[128]; |
| start_soft = 0; |
| start_hard = 0; |
| end_soft = 0; |
| end_hard = 0; |
| strncpy(sysfs_path, path, sizeof(sysfs_path)); |
| register_sysfs_path(sysfs_path); |
| sprintf(devname, "radio:%s", _name); |
| sprintf(humanname, "radio:%s", _name); |
| strncpy(name, devname, sizeof(name)); |
| register_parameter(devname); |
| index = get_param_index(devname); |
| rindex = get_result_index(name); |
| |
| memset(line, 0, 4096); |
| sprintf(filename, "%s/device/driver", path); |
| if (readlink(filename, line, 4096) > 0) { |
| sprintf(humanname, _("Radio device: %s"), basename(line)); |
| }; |
| sprintf(filename, "%s/device/device/driver", path); |
| if (readlink(filename, line, 4096) > 0) { |
| sprintf(humanname, _("Radio device: %s"), basename(line)); |
| }} |
| |
| void rfkill::start_measurement(void) |
| { |
| char filename[4096]; |
| ifstream file; |
| |
| start_hard = 1; |
| start_soft = 1; |
| end_hard = 1; |
| end_soft = 1; |
| |
| sprintf(filename, "%s/hard", sysfs_path); |
| file.open(filename, ios::in); |
| if (file) { |
| file >> start_hard; |
| } |
| file.close(); |
| |
| sprintf(filename, "%s/soft", sysfs_path); |
| file.open(filename, ios::in); |
| if (file) { |
| file >> start_soft; |
| } |
| file.close(); |
| } |
| |
| void rfkill::end_measurement(void) |
| { |
| char filename[4096]; |
| ifstream file; |
| |
| sprintf(filename, "%s/hard", sysfs_path); |
| file.open(filename, ios::in); |
| if (file) { |
| file >> end_hard; |
| } |
| file.close(); |
| sprintf(filename, "%s/soft", sysfs_path); |
| file.open(filename, ios::in); |
| if (file) { |
| file >> end_soft; |
| } |
| file.close(); |
| |
| report_utilization(name, utilization()); |
| } |
| |
| |
| double rfkill::utilization(void) |
| { |
| double p; |
| int rfk; |
| |
| rfk = start_soft+end_soft; |
| if (rfk < start_hard+end_hard) |
| rfk = start_hard+end_hard; |
| |
| p = 100 - 50.0 * rfk; |
| |
| return p; |
| } |
| |
| const char * rfkill::device_name(void) |
| { |
| return name; |
| } |
| |
| void create_all_rfkills(void) |
| { |
| struct dirent *entry; |
| DIR *dir; |
| char filename[4096]; |
| char name[4096]; |
| |
| dir = opendir("/sys/class/rfkill/"); |
| if (!dir) |
| return; |
| while (1) { |
| class rfkill *bl; |
| ifstream file; |
| entry = readdir(dir); |
| if (!entry) |
| break; |
| if (entry->d_name[0] == '.') |
| continue; |
| sprintf(filename, "/sys/class/rfkill/%s/name", entry->d_name); |
| strcpy(name, entry->d_name); |
| file.open(filename, ios::in); |
| if (file) { |
| file.getline(name, 100); |
| file.close(); |
| } |
| |
| sprintf(filename, "/sys/class/rfkill/%s", entry->d_name); |
| bl = new class rfkill(name, filename); |
| all_devices.push_back(bl); |
| } |
| closedir(dir); |
| |
| } |
| |
| |
| |
| double rfkill::power_usage(struct result_bundle *result, struct parameter_bundle *bundle) |
| { |
| double power; |
| double factor; |
| double util; |
| |
| power = 0; |
| factor = get_parameter_value(index, bundle); |
| util = get_result_value(rindex, result); |
| |
| power += util * factor / 100.0; |
| |
| return power; |
| } |