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Diffstat (limited to '')
| -rw-r--r-- | src/devices/rfkill.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/devices/rfkill.cpp b/src/devices/rfkill.cpp new file mode 100644 index 0000000..99a652f --- /dev/null +++ b/src/devices/rfkill.cpp @@ -0,0 +1,177 @@ +/* + * 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 <libgen.h> +#include <unistd.h> +#include <limits.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[PATH_MAX]; + char devname[128]; + start_soft = 0; + start_hard = 0; + end_soft = 0; + end_hard = 0; + pt_strcpy(sysfs_path, path); + register_sysfs_path(sysfs_path); + snprintf(devname, sizeof(devname), "radio:%s", _name); + snprintf(humanname, sizeof(humanname), "radio:%s", _name); + pt_strcpy(name, devname); + register_parameter(devname); + index = get_param_index(devname); + rindex = get_result_index(name); + + memset(line, 0, 4096); + snprintf(filename, sizeof(filename), "%s/device/driver", path); + if (readlink(filename, line, sizeof(line)) > 0) { + snprintf(humanname, sizeof(humanname), _("Radio device: %s"), basename(line)); + } + snprintf(filename, sizeof(filename), "%s/device/device/driver", path); + if (readlink(filename, line, sizeof(line)) > 0) { + snprintf(humanname, sizeof(humanname), _("Radio device: %s"), basename(line)); + } +} + +void rfkill::start_measurement(void) +{ + char filename[PATH_MAX]; + ifstream file; + + start_hard = 1; + start_soft = 1; + end_hard = 1; + end_soft = 1; + + snprintf(filename, sizeof(filename), "%s/hard", sysfs_path); + file.open(filename, ios::in); + if (file) { + file >> start_hard; + } + file.close(); + + snprintf(filename, sizeof(filename), "%s/soft", sysfs_path); + file.open(filename, ios::in); + if (file) { + file >> start_soft; + } + file.close(); +} + +void rfkill::end_measurement(void) +{ + char filename[PATH_MAX]; + ifstream file; + + snprintf(filename, sizeof(filename), "%s/hard", sysfs_path); + file.open(filename, ios::in); + if (file) { + file >> end_hard; + } + file.close(); + snprintf(filename, sizeof(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; +} + +static void create_all_rfkills_callback(const char *d_name) +{ + char filename[PATH_MAX]; + char name[4096] = {0}; + class rfkill *bl; + ifstream file; + + snprintf(filename, sizeof(filename), "/sys/class/rfkill/%s/name", d_name); + strncpy(name, d_name, sizeof(name) - 1); + file.open(filename, ios::in); + if (file) { + file.getline(name, 100); + file.close(); + } + + snprintf(filename, sizeof(filename), "/sys/class/rfkill/%s", d_name); + bl = new class rfkill(name, filename); + all_devices.push_back(bl); +} + +void create_all_rfkills(void) +{ + process_directory("/sys/class/rfkill/", create_all_rfkills_callback); +} + +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; +} |