mirror of https://github.com/polybar/polybar.git
138 lines
3.1 KiB
C++
138 lines
3.1 KiB
C++
#include "adapters/net.hpp"
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#include "utils/file.hpp"
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POLYBAR_NS
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namespace net {
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// class : wireless_network {{{
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/**
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* Query the wireless device for information
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* about the current connection
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*/
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bool wireless_network::query(bool accumulate) {
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if (!network::query(accumulate)) {
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return false;
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}
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auto socket_fd = file_util::make_file_descriptor(iw_sockets_open());
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if (!*socket_fd) {
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return false;
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}
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struct iwreq req {};
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if (iw_get_ext(*socket_fd, m_interface.c_str(), SIOCGIWMODE, &req) == -1) {
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return false;
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}
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// Ignore interfaces in ad-hoc mode
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if (req.u.mode == IW_MODE_ADHOC) {
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return false;
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}
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query_essid(*socket_fd);
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query_quality(*socket_fd);
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return true;
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}
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/**
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* Check current connection state
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*/
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bool wireless_network::connected() const {
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if (!network::test_interface()) {
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return false;
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}
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return !m_essid.empty();
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}
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/**
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* ESSID reported by last query
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*/
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string wireless_network::essid() const {
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return m_essid;
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}
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/**
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* Signal strength percentage reported by last query
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*/
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int wireless_network::signal() const {
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return m_signalstrength.percentage();
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}
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/**
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* Link quality percentage reported by last query
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*/
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int wireless_network::quality() const {
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return m_linkquality.percentage();
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}
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/**
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* Query for ESSID
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*/
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void wireless_network::query_essid(const int& socket_fd) {
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char essid[IW_ESSID_MAX_SIZE + 1];
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struct iwreq req {};
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req.u.essid.pointer = &essid;
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req.u.essid.length = sizeof(essid);
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req.u.essid.flags = 0;
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if (iw_get_ext(socket_fd, m_interface.c_str(), SIOCGIWESSID, &req) != -1) {
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m_essid = string{essid};
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} else {
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m_essid.clear();
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}
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}
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/**
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* Query for device driver quality values
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*/
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void wireless_network::query_quality(const int& socket_fd) {
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iwrange range{};
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iwstats stats{};
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// Fill range
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if (iw_get_range_info(socket_fd, m_interface.c_str(), &range) == -1) {
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return;
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}
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// Fill stats
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if (iw_get_stats(socket_fd, m_interface.c_str(), &stats, &range, 1) == -1) {
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return;
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}
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// Check if the driver supplies the quality value
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if (stats.qual.updated & IW_QUAL_QUAL_INVALID) {
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return;
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}
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// Check if the driver supplies the quality level value
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if (stats.qual.updated & IW_QUAL_LEVEL_INVALID) {
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return;
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}
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// Check if the link quality has been updated
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if (stats.qual.updated & IW_QUAL_QUAL_UPDATED) {
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m_linkquality.val = stats.qual.qual;
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m_linkquality.max = range.max_qual.qual;
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}
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// Check if the signal strength has been updated
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if (stats.qual.updated & IW_QUAL_LEVEL_UPDATED) {
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m_signalstrength.val = stats.qual.level;
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m_signalstrength.max = range.max_qual.level;
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// Check if the values are defined in dBm
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if (stats.qual.level > range.max_qual.level) {
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m_signalstrength.val -= 0x100;
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m_signalstrength.max = (stats.qual.level - range.max_qual.level) - 0x100;
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}
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}
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}
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// }}}
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} // namespace net
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POLYBAR_NS_END
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