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Merge branch 'master' of github.com:Alexays/Waybar

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This commit is contained in:
mazunki
2022-01-08 01:02:57 +01:00
parent bb7b376fa6 d9b5c2595a
commit d22d6a4522
50 changed files with 2822 additions and 357 deletions
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209
src/modules/network.cpp
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@ -1,87 +1,77 @@
#include "modules/network.hpp"
#include <linux/if.h>
#include <spdlog/spdlog.h>
#include <sys/eventfd.h>
#include <linux/if.h>
#include <fstream>
#include <cassert>
#include <fstream>
#include <sstream>
#include <optional>
#include "modules/network.hpp"
#include "util/format.hpp"
#ifdef WANT_RFKILL
#include "util/rfkill.hpp"
#endif
namespace {
using namespace waybar::util;
constexpr const char *NETSTAT_FILE =
"/proc/net/netstat"; // std::ifstream does not take std::string_view as param
constexpr std::string_view BANDWIDTH_CATEGORY = "IpExt";
constexpr std::string_view BANDWIDTH_DOWN_TOTAL_KEY = "InOctets";
constexpr std::string_view BANDWIDTH_UP_TOTAL_KEY = "OutOctets";
constexpr const char *DEFAULT_FORMAT = "{ifname}";
std::ifstream netstat(NETSTAT_FILE);
std::optional<unsigned long long> read_netstat(std::string_view category, std::string_view key) {
if (!netstat) {
spdlog::warn("Failed to open netstat file {}", NETSTAT_FILE);
return {};
}
netstat.seekg(std::ios_base::beg);
// finding corresponding line (category)
// looks into the file for the first line starting by the 'category' string
auto starts_with = [](const std::string &str, std::string_view start) {
return start == std::string_view{str.data(), std::min(str.size(), start.size())};
};
std::string read;
while (std::getline(netstat, read) && !starts_with(read, category))
;
if (!starts_with(read, category)) {
spdlog::warn("Category '{}' not found in netstat file {}", category, NETSTAT_FILE);
return {};
}
// finding corresponding column (key)
// looks into the fetched line for the first word (space separated) equal to 'key'
int index = 0;
auto r_it = read.begin();
auto k_it = key.begin();
while (k_it != key.end() && r_it != read.end()) {
if (*r_it != *k_it) {
r_it = std::find(r_it, read.end(), ' ');
if (r_it != read.end()) {
++r_it;
}
k_it = key.begin();
++index;
} else {
++r_it;
++k_it;
}
}
if (r_it == read.end() && k_it != key.end()) {
spdlog::warn(
"Key '{}' not found in category '{}' of netstat file {}", key, category, NETSTAT_FILE);
return {};
}
// finally accessing value
// accesses the line right under the fetched one
std::getline(netstat, read);
assert(starts_with(read, category));
std::istringstream iss(read);
while (index--) {
std::getline(iss, read, ' ');
}
unsigned long long value;
iss >> value;
return value;
}
} // namespace
constexpr const char *NETDEV_FILE =
"/proc/net/dev"; // std::ifstream does not take std::string_view as param
std::optional<std::pair<unsigned long long, unsigned long long>>
waybar::modules::Network::readBandwidthUsage() {
std::ifstream netdev(NETDEV_FILE);
if (!netdev) {
spdlog::warn("Failed to open netdev file {}", NETDEV_FILE);
return {};
}
std::string line;
// skip the headers (first two lines)
std::getline(netdev, line);
std::getline(netdev, line);
unsigned long long receivedBytes = 0ull;
unsigned long long transmittedBytes = 0ull;
while (std::getline(netdev, line)) {
std::istringstream iss(line);
std::string ifacename;
iss >> ifacename; // ifacename contains "eth0:"
ifacename.pop_back(); // remove trailing ':'
if (!checkInterface(ifacename)) {
continue;
}
// The rest of the line consists of whitespace separated counts divided
// into two groups (receive and transmit). Each group has the following
// columns: bytes, packets, errs, drop, fifo, frame, compressed, multicast
//
// We only care about the bytes count, so we'll just ignore the 7 other
// columns.
unsigned long long r = 0ull;
unsigned long long t = 0ull;
// Read received bytes
iss >> r;
// Skip all the other columns in the received group
for (int colsToSkip = 7; colsToSkip > 0; colsToSkip--) {
// skip whitespace between columns
while (iss.peek() == ' ') { iss.ignore(); }
// skip the irrelevant column
while (iss.peek() != ' ') { iss.ignore(); }
}
// Read transmit bytes
iss >> t;
receivedBytes += r;
transmittedBytes += t;
}
return {{receivedBytes, transmittedBytes}};
}
waybar::modules::Network::Network(const std::string &id, const Json::Value &config)
: ALabel(config, "network", id, DEFAULT_FORMAT, 60),
ifid_(-1),
@ -98,7 +88,7 @@ waybar::modules::Network::Network(const std::string &id, const Json::Value &conf
#ifdef WANT_RFKILL
rfkill_{RFKILL_TYPE_WLAN},
#endif
frequency_(0) {
frequency_(0.0) {
// Start with some "text" in the module's label_, update() will then
// update it. Since the text should be different, update() will be able
@ -106,17 +96,12 @@ waybar::modules::Network::Network(const std::string &id, const Json::Value &conf
// the module start with no text, but the the event_box_ is shown.
label_.set_markup("<s></s>");
auto down_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_DOWN_TOTAL_KEY);
auto up_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_UP_TOTAL_KEY);
if (down_octets) {
bandwidth_down_total_ = *down_octets;
auto bandwidth = readBandwidthUsage();
if (bandwidth.has_value()) {
bandwidth_down_total_ = (*bandwidth).first;
bandwidth_up_total_ = (*bandwidth).second;
} else {
bandwidth_down_total_ = 0;
}
if (up_octets) {
bandwidth_up_total_ = *up_octets;
} else {
bandwidth_up_total_ = 0;
}
@ -303,20 +288,21 @@ const std::string waybar::modules::Network::getNetworkState() const {
auto waybar::modules::Network::update() -> void {
std::lock_guard<std::mutex> lock(mutex_);
std::string tooltip_format;
auto down_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_DOWN_TOTAL_KEY);
auto up_octets = read_netstat(BANDWIDTH_CATEGORY, BANDWIDTH_UP_TOTAL_KEY);
unsigned long long bandwidth_down = 0;
if (down_octets) {
bandwidth_down = *down_octets - bandwidth_down_total_;
bandwidth_down_total_ = *down_octets;
auto bandwidth = readBandwidthUsage();
auto bandwidth_down = 0ull;
auto bandwidth_up = 0ull;
if (bandwidth.has_value()) {
auto down_octets = (*bandwidth).first;
auto up_octets = (*bandwidth).second;
bandwidth_down = down_octets - bandwidth_down_total_;
bandwidth_down_total_ = down_octets;
bandwidth_up = up_octets - bandwidth_up_total_;
bandwidth_up_total_ = up_octets;
}
unsigned long long bandwidth_up = 0;
if (up_octets) {
bandwidth_up = *up_octets - bandwidth_up_total_;
bandwidth_up_total_ = *up_octets;
}
if (!alt_) {
auto state = getNetworkState();
if (!state_.empty() && label_.get_style_context()->has_class(state_)) {
@ -345,12 +331,13 @@ auto waybar::modules::Network::update() -> void {
fmt::arg("essid", essid_),
fmt::arg("signaldBm", signal_strength_dbm_),
fmt::arg("signalStrength", signal_strength_),
fmt::arg("signalStrengthApp", signal_strength_app_),
fmt::arg("ifname", ifname_),
fmt::arg("netmask", netmask_),
fmt::arg("ipaddr", ipaddr_),
fmt::arg("gwaddr", gwaddr_),
fmt::arg("cidr", cidr_),
fmt::arg("frequency", frequency_),
fmt::arg("frequency", fmt::format("{:.1f}", frequency_)),
fmt::arg("icon", getIcon(signal_strength_, state_)),
fmt::arg("bandwidthDownBits", pow_format(bandwidth_down * 8ull / interval_.count(), "b/s")),
fmt::arg("bandwidthUpBits", pow_format(bandwidth_up * 8ull / interval_.count(), "b/s")),
@ -374,12 +361,13 @@ auto waybar::modules::Network::update() -> void {
fmt::arg("essid", essid_),
fmt::arg("signaldBm", signal_strength_dbm_),
fmt::arg("signalStrength", signal_strength_),
fmt::arg("signalStrengthApp", signal_strength_app_),
fmt::arg("ifname", ifname_),
fmt::arg("netmask", netmask_),
fmt::arg("ipaddr", ipaddr_),
fmt::arg("gwaddr", gwaddr_),
fmt::arg("cidr", cidr_),
fmt::arg("frequency", frequency_),
fmt::arg("frequency", fmt::format("{:.1f}", frequency_)),
fmt::arg("icon", getIcon(signal_strength_, state_)),
fmt::arg("bandwidthDownBits",
pow_format(bandwidth_down * 8ull / interval_.count(), "b/s")),
@ -417,7 +405,8 @@ void waybar::modules::Network::clearIface() {
cidr_ = 0;
signal_strength_dbm_ = 0;
signal_strength_ = 0;
frequency_ = 0;
signal_strength_app_.clear();
frequency_ = 0.0;
}
int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
@ -484,7 +473,8 @@ int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
net->essid_.clear();
net->signal_strength_dbm_ = 0;
net->signal_strength_ = 0;
net->frequency_ = 0;
net->signal_strength_app_.clear();
net->frequency_ = 0.0;
}
}
net->carrier_ = carrier.value();
@ -802,13 +792,30 @@ void waybar::modules::Network::parseSignal(struct nlattr **bss) {
if (bss[NL80211_BSS_SIGNAL_MBM] != nullptr) {
// signalstrength in dBm from mBm
signal_strength_dbm_ = nla_get_s32(bss[NL80211_BSS_SIGNAL_MBM]) / 100;
// WiFi-hardware usually operates in the range -90 to -30dBm.
// WiFi-hardware usually operates in the range -90 to -20dBm.
const int hardwareMax = -20;
// If a signal is too strong, it can overwhelm receiving circuity that is designed
// to pick up and process a certain signal level. The following percentage is scaled to
// punish signals that are too strong (>= -45dBm) or too weak (<= -45 dBm).
const int hardwareOptimum = -45;
const int hardwareMin = -90;
const int strength =
((signal_strength_dbm_ - hardwareMin) / double{hardwareMax - hardwareMin}) * 100;
signal_strength_ = std::clamp(strength, 0, 100);
100 - ((abs(signal_strength_dbm_ - hardwareOptimum) / double{hardwareOptimum - hardwareMin}) * 100);
signal_strength_ = std::clamp(strength, 0, 100);
if (signal_strength_dbm_ >= -50) {
signal_strength_app_ = "Great Connectivity";
} else if (signal_strength_dbm_ >= -60) {
signal_strength_app_ = "Good Connectivity";
} else if (signal_strength_dbm_ >= -67) {
signal_strength_app_ = "Streaming";
} else if (signal_strength_dbm_ >= -70) {
signal_strength_app_ = "Web Surfing";
} else if (signal_strength_dbm_ >= -80) {
signal_strength_app_ = "Basic Connectivity";
} else {
signal_strength_app_ = "Poor Connectivity";
}
}
if (bss[NL80211_BSS_SIGNAL_UNSPEC] != nullptr) {
signal_strength_ = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
@ -817,8 +824,8 @@ void waybar::modules::Network::parseSignal(struct nlattr **bss) {
void waybar::modules::Network::parseFreq(struct nlattr **bss) {
if (bss[NL80211_BSS_FREQUENCY] != nullptr) {
// in MHz
frequency_ = nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
// in GHz
frequency_ = (double) nla_get_u32(bss[NL80211_BSS_FREQUENCY]) / 1000;
}
}