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@ -1,5 +1,74 @@
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#include "modules/network.hpp"
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#include <sys/eventfd.h>
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#include <fstream>
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#include <iostream>
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namespace {
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constexpr const char * NETSTAT_FILE = "/proc/net/netstat"; // std::ifstream does not take std::string_view as param
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constexpr std::string_view BANDWIDTH_CATEGORY = "IpExt";
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constexpr std::string_view BANDWIDTH_DOWN_TOTAL_KEY = "InOctets";
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constexpr std::string_view BANDWIDTH_UP_TOTAL_KEY = "OutOctets";
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std::ifstream netstat(NETSTAT_FILE);
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std::optional<unsigned long long> read_netstat(std::string_view category, std::string_view key) {
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if (!netstat) {
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std::cerr << "Failed to open netstat file " << NETSTAT_FILE << '\n' << std::flush;
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return {};
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}
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netstat.seekg(std::ios_base::beg);
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// finding corresponding line (category)
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// looks into the file for the first line starting by the 'category' string
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auto starts_with = [](const std::string& str, std::string_view start) {
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return start == std::string_view{str.data(), std::min(str.size(), start.size())};
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};
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std::string read;
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while (std::getline(netstat, read) && !starts_with(read, category));
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if (!starts_with(read, category)) {
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std::cerr << "Category '" << category << "' not found in netstat file " << NETSTAT_FILE << '\n' << std::flush;
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return {};
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}
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// finding corresponding column (key)
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// looks into the fetched line for the first word (space separated) equal to 'key'
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int index = 0;
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auto r_it = read.begin();
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auto k_it = key.begin();
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while (k_it != key.end() && r_it != read.end()) {
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if (*r_it != *k_it) {
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r_it = std::find(r_it, read.end(), ' ');
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if (r_it != read.end()) {
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++r_it;
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}
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k_it = key.begin();
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++index;
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} else {
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++r_it;
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++k_it;
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}
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}
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if (r_it == read.end() && k_it != key.end()) {
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std::cerr << "Key '" << key << "' not found in category '" << category << "' of netstat file " << NETSTAT_FILE << '\n' << std::flush;
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return {};
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}
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// finally accessing value
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// accesses the line right under the fetched one
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std::getline(netstat, read);
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assert(starts_with(read, category));
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std::istringstream iss(read);
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while (index--) {
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std::getline(iss, read, ' ');
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}
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unsigned long long value;
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iss >> value;
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return value;
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}
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}
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waybar::modules::Network::Network(const std::string &id, const Json::Value &config)
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: ALabel(config, "{ifname}", 60),
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@ -16,6 +85,21 @@ waybar::modules::Network::Network(const std::string &id, const Json::Value &conf
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if (!id.empty()) {
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label_.get_style_context()->add_class(id);
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}
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auto down_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_DOWN_TOTAL_KEY);
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auto up_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_UP_TOTAL_KEY);
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if (down_octets) {
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bandwidth_down_total_ = *down_octets;
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} else {
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bandwidth_down_total_ = 0;
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}
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if (up_octets) {
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bandwidth_up_total_ = *up_octets;
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} else {
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bandwidth_up_total_ = 0;
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}
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createInfoSocket();
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createEventSocket();
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auto default_iface = getPreferredIface();
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@ -42,8 +126,6 @@ waybar::modules::Network::~Network() {
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nl_socket_drop_membership(ev_sock_, RTNLGRP_LINK);
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nl_socket_drop_membership(ev_sock_, RTNLGRP_IPV4_IFADDR);
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nl_socket_drop_membership(ev_sock_, RTNLGRP_IPV6_IFADDR);
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nl_socket_drop_membership(ev_sock_, RTNLGRP_IPV4_ROUTE);
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nl_socket_drop_membership(ev_sock_, RTNLGRP_IPV6_ROUTE);
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nl_close(ev_sock_);
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nl_socket_free(ev_sock_);
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}
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@ -64,8 +146,6 @@ void waybar::modules::Network::createInfoSocket() {
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nl_socket_add_membership(ev_sock_, RTNLGRP_LINK);
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nl_socket_add_membership(ev_sock_, RTNLGRP_IPV4_IFADDR);
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nl_socket_add_membership(ev_sock_, RTNLGRP_IPV6_IFADDR);
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nl_socket_add_membership(ev_sock_, RTNLGRP_IPV4_ROUTE);
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nl_socket_add_membership(ev_sock_, RTNLGRP_IPV6_ROUTE);
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efd_ = epoll_create1(EPOLL_CLOEXEC);
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if (efd_ < 0) {
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throw std::runtime_error("Can't create epoll");
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@ -108,9 +188,12 @@ void waybar::modules::Network::createEventSocket() {
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void waybar::modules::Network::worker() {
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thread_timer_ = [this] {
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if (ifid_ > 0) {
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getInfo();
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dp.emit();
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{
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std::lock_guard<std::mutex> lock(mutex_);
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if (ifid_ > 0) {
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getInfo();
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dp.emit();
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}
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}
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thread_timer_.sleep_for(interval_);
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};
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@ -131,10 +214,22 @@ void waybar::modules::Network::worker() {
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}
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auto waybar::modules::Network::update() -> void {
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std::string connectiontype;
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std::string tooltip_format = "";
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if (config_["tooltip-format"].isString()) {
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tooltip_format = config_["tooltip-format"].asString();
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std::string connectiontype;
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std::string tooltip_format;
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std::lock_guard<std::mutex> lock(mutex_);
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auto down_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_DOWN_TOTAL_KEY);
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auto up_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_UP_TOTAL_KEY);
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unsigned long long bandwidth_down = 0;
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if (down_octets) {
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bandwidth_down = *down_octets - bandwidth_down_total_;
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bandwidth_down_total_ = *down_octets;
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}
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unsigned long long bandwidth_up = 0;
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if (up_octets) {
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bandwidth_up = *up_octets - bandwidth_up_total_;
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bandwidth_up_total_ = *up_octets;
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}
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if (ifid_ <= 0 || !linked_) {
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if (config_["format-disconnected"].isString()) {
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@ -177,6 +272,25 @@ auto waybar::modules::Network::update() -> void {
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format_ = default_format_;
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}
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getState(signal_strength_);
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auto pow_format = [](unsigned long long value, const std::string& unit) {
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if (value > 2000ull * 1000ull * 1000ull) { // > 2G
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auto go = value / (1000 * 1000 * 1000);
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return std::to_string(go) + "." + std::to_string((value - go * 1000 * 1000 * 1000) / (100 * 1000 * 1000)) + "G" + unit;
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} else if (value > 2000ull * 1000ull) { // > 2M
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auto mo = value / (1000 * 1000);
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return std::to_string(mo) + "." + std::to_string((value - mo * 1000 * 1000) / (100 * 1000)) + "M" + unit;
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} else if (value > 2000ull) { // > 2k
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auto ko = value / 1000;
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return std::to_string(ko) + "." + std::to_string((value - ko * 1000) / 100) + "k" + unit;
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} else {
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return std::to_string(value) + unit;
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}
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};
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auto text = fmt::format(format_,
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fmt::arg("essid", essid_),
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fmt::arg("signaldBm", signal_strength_dbm_),
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@ -186,9 +300,18 @@ auto waybar::modules::Network::update() -> void {
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fmt::arg("ipaddr", ipaddr_),
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fmt::arg("cidr", cidr_),
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fmt::arg("frequency", frequency_),
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fmt::arg("icon", getIcon(signal_strength_, connectiontype)));
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label_.set_markup(text);
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fmt::arg("icon", getIcon(signal_strength_, connectiontype)),
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fmt::arg("bandwidthDownBits", pow_format(bandwidth_down * 8ull / interval_.count(), "b/s")),
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fmt::arg("bandwidthUpBits", pow_format(bandwidth_up * 8ull / interval_.count(), "b/s")),
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fmt::arg("bandwidthDownOctets", pow_format(bandwidth_down / interval_.count(), "o/s")),
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fmt::arg("bandwidthUpOctets", pow_format(bandwidth_up / interval_.count(), "o/s")));
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if (text != label_.get_label()) {
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label_.set_markup(text);
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}
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if (tooltipEnabled()) {
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if (tooltip_format.empty() && config_["tooltip-format"].isString()) {
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tooltip_format = config_["tooltip-format"].asString();
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}
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if (!tooltip_format.empty()) {
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auto tooltip_text = fmt::format(tooltip_format,
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fmt::arg("essid", essid_),
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@ -199,9 +322,15 @@ auto waybar::modules::Network::update() -> void {
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fmt::arg("ipaddr", ipaddr_),
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fmt::arg("cidr", cidr_),
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fmt::arg("frequency", frequency_),
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fmt::arg("icon", getIcon(signal_strength_, connectiontype)));
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label_.set_tooltip_text(tooltip_text);
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} else {
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fmt::arg("icon", getIcon(signal_strength_, connectiontype)),
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fmt::arg("bandwidthDownBits", pow_format(bandwidth_down * 8ull / interval_.count(), "b/s")),
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fmt::arg("bandwidthUpBits", pow_format(bandwidth_up * 8ull / interval_.count(), "b/s")),
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fmt::arg("bandwidthDownOctets", pow_format(bandwidth_down / interval_.count(), "o/s")),
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fmt::arg("bandwidthUpOctets", pow_format(bandwidth_up / interval_.count(), "o/s")));
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if (label_.get_tooltip_text() != text) {
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label_.set_tooltip_text(tooltip_text);
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}
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} else if (label_.get_tooltip_text() != text) {
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label_.set_tooltip_text(text);
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}
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}
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@ -398,7 +527,7 @@ int waybar::modules::Network::netlinkResponse(void *resp, uint32_t resplen, uint
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return ret;
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}
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bool waybar::modules::Network::checkInterface(int if_index, std::string name) {
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bool waybar::modules::Network::checkInterface(struct ifinfomsg *rtif, std::string name) {
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if (config_["interface"].isString()) {
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return config_["interface"].asString() == name ||
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wildcardMatch(config_["interface"].asString(), name);
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@ -406,9 +535,9 @@ bool waybar::modules::Network::checkInterface(int if_index, std::string name) {
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auto external_iface = getExternalInterface();
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if (external_iface == -1) {
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// Try with lastest working external iface
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return last_ext_iface_ == if_index;
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return last_ext_iface_ == rtif->ifi_index;
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}
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return external_iface == if_index;
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return external_iface == rtif->ifi_index;
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}
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int waybar::modules::Network::getPreferredIface() {
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@ -457,23 +586,21 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
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char ifname[IF_NAMESIZE];
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if_indextoname(rtif->ifi_index, ifname);
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// Auto detected network can also be assigned here
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if (net->checkInterface(rtif->ifi_index, ifname) && net->ifid_ == -1) {
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if (net->ifid_ == -1 && net->checkInterface(rtif, ifname)) {
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net->linked_ = true;
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net->ifname_ = ifname;
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net->ifid_ = rtif->ifi_index;
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net->dp.emit();
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}
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// Check for valid interface
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if (rtif->ifi_index == static_cast<int>(net->ifid_)) {
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if (rtif->ifi_index == net->ifid_) {
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// Get Iface and WIFI info
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net->thread_timer_.wake_up();
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net->getInterfaceAddress();
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net->dp.emit();
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net->thread_timer_.wake_up();
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}
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} else if (nh->nlmsg_type == RTM_DELADDR) {
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auto rtif = static_cast<struct ifinfomsg *>(NLMSG_DATA(nh));
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// Check for valid interface
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if (rtif->ifi_index == static_cast<int>(net->ifid_)) {
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if (rtif->ifi_index == net->ifid_) {
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net->ipaddr_.clear();
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net->netmask_.clear();
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net->cidr_ = 0;
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@ -484,7 +611,7 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
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char ifname[IF_NAMESIZE];
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if_indextoname(rtif->ifi_index, ifname);
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// Check for valid interface
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if (net->checkInterface(rtif->ifi_index, ifname) && rtif->ifi_flags & IFF_RUNNING) {
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if (rtif->ifi_flags & IFF_RUNNING && net->checkInterface(rtif, ifname)) {
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net->linked_ = true;
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net->ifname_ = ifname;
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net->ifid_ = rtif->ifi_index;
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@ -496,13 +623,15 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
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net->essid_.clear();
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net->signal_strength_dbm_ = 0;
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net->signal_strength_ = 0;
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net->frequency_ = 0;
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// Check for a new interface and get info
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auto new_iface = net->getPreferredIface();
|
|
|
|
|
if (new_iface != -1) {
|
|
|
|
|
net->thread_timer_.wake_up();
|
|
|
|
|
net->getInterfaceAddress();
|
|
|
|
|
net->thread_timer_.wake_up();
|
|
|
|
|
} else {
|
|
|
|
|
net->dp.emit();
|
|
|
|
|
}
|
|
|
|
|
net->dp.emit();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return NL_SKIP;
|
|
|
|
|