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Merge pull request #130 from Alexays/destructor

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refactor: proper modules destruction
This commit is contained in:
Alex 2019-01-13 22:37:19 +01:00 committed by GitHub
commit 9348e88592
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GPG Key ID: 4AEE18F83AFDEB23
25 changed files with 288 additions and 221 deletions
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5
include/bar.hpp
View File

@ -18,6 +18,7 @@ class Bar {
public:
Bar(const Client&, std::unique_ptr<struct wl_output *>&&, uint32_t);
Bar(const Bar&) = delete;
~Bar() = default;
auto toggle() -> void;
@ -54,6 +55,10 @@ class Bar {
Glib::RefPtr<Gtk::StyleContext> style_context_;
Glib::RefPtr<Gtk::CssProvider> css_provider_;
struct zxdg_output_v1 *xdg_output_;
Gtk::Box left_;
Gtk::Box center_;
Gtk::Box right_;
Gtk::Box box_;
std::vector<std::unique_ptr<waybar::IModule>> modules_left_;
std::vector<std::unique_ptr<waybar::IModule>> modules_center_;
std::vector<std::unique_ptr<waybar::IModule>> modules_right_;

2
include/modules/battery.hpp
View File

@ -10,7 +10,7 @@
#include <fmt/format.h>
#include <sys/inotify.h>
#include <algorithm>
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "ALabel.hpp"
namespace waybar::modules {

3
include/modules/clock.hpp
View File

@ -2,7 +2,7 @@
#include <fmt/format.h>
#include "fmt/time.h"
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "ALabel.hpp"
namespace waybar::modules {
@ -10,6 +10,7 @@ namespace waybar::modules {
class Clock : public ALabel {
public:
Clock(const std::string&, const Json::Value&);
~Clock() = default;
auto update() -> void;
private:
waybar::util::SleeperThread thread_;

3
include/modules/cpu.hpp
View File

@ -6,7 +6,7 @@
#include <vector>
#include <numeric>
#include <iostream>
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "ALabel.hpp"
namespace waybar::modules {
@ -14,6 +14,7 @@ namespace waybar::modules {
class Cpu : public ALabel {
public:
Cpu(const std::string&, const Json::Value&);
~Cpu() = default;
auto update() -> void;
private:
static inline const std::string data_dir_ = "/proc/stat";

2
include/modules/custom.hpp
View File

@ -2,7 +2,7 @@
#include <fmt/format.h>
#include <iostream>
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "util/command.hpp"
#include "util/json.hpp"
#include "ALabel.hpp"

3
include/modules/memory.hpp
View File

@ -2,7 +2,7 @@
#include <fmt/format.h>
#include <fstream>
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "ALabel.hpp"
namespace waybar::modules {
@ -10,6 +10,7 @@ namespace waybar::modules {
class Memory : public ALabel {
public:
Memory(const std::string&, const Json::Value&);
~Memory() = default;
auto update() -> void;
private:
static inline const std::string data_dir_ = "/proc/meminfo";

21
include/modules/network.hpp
View File

@ -7,8 +7,9 @@
#include <netlink/genl/genl.h>
#include <netlink/genl/ctrl.h>
#include <linux/nl80211.h>
#include <sys/epoll.h>
#include <fmt/format.h>
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "ALabel.hpp"
namespace waybar::modules {
@ -19,15 +20,17 @@ class Network : public ALabel {
~Network();
auto update() -> void;
private:
static int netlinkRequest(int, void*, uint32_t, uint32_t groups = 0);
static int netlinkResponse(int, void*, uint32_t, uint32_t groups = 0);
static int scanCb(struct nl_msg*, void*);
static int handleEvents(struct nl_msg*, void*);
static int handleScan(struct nl_msg*, void*);
void worker();
void disconnected();
void initNL80211();
void createInfoSocket();
void createEventSocket();
int getExternalInterface();
void getInterfaceAddress();
int netlinkRequest(void*, uint32_t, uint32_t groups = 0);
int netlinkResponse(void*, uint32_t, uint32_t groups = 0);
void parseEssid(struct nlattr**);
void parseSignal(struct nlattr**);
bool associatedOrJoined(struct nlattr**);
@ -37,9 +40,11 @@ class Network : public ALabel {
waybar::util::SleeperThread thread_timer_;
int ifid_;
sa_family_t family_;
int sock_fd_;
struct sockaddr_nl nladdr_ = {0};
struct nl_sock* sk_ = nullptr;
struct nl_sock* info_sock_ = nullptr;
int efd_;
int ev_fd_;
int nl80211_id_;
std::string essid_;
@ -47,8 +52,8 @@ class Network : public ALabel {
std::string ipaddr_;
std::string netmask_;
int cidr_;
int signal_strength_dbm_;
uint16_t signal_strength_;
int32_t signal_strength_dbm_;
uint8_t signal_strength_;
};
}

3
include/modules/sni/tray.hpp
View File

@ -1,7 +1,6 @@
#pragma once
#include <fmt/format.h>
#include <thread>
#include "bar.hpp"
#include "util/json.hpp"
#include "IModule.hpp"
@ -13,6 +12,7 @@ namespace waybar::modules::SNI {
class Tray : public IModule {
public:
Tray(const std::string&, const Json::Value&);
~Tray() = default;
auto update() -> void;
operator Gtk::Widget &();
private:
@ -20,7 +20,6 @@ class Tray : public IModule {
void onRemove(std::unique_ptr<Item>& item);
static inline std::size_t nb_hosts_ = 0;
std::thread thread_;
const Json::Value& config_;
Gtk::Box box_;
SNI::Watcher watcher_ ;

46
include/modules/sway/ipc/client.hpp
View File

@ -10,33 +10,31 @@
namespace waybar::modules::sway {
class Ipc {
public:
Ipc();
~Ipc();
public:
Ipc();
~Ipc();
struct ipc_response {
uint32_t size;
uint32_t type;
std::string payload;
};
struct ipc_response {
uint32_t size;
uint32_t type;
std::string payload;
};
void connect();
struct ipc_response sendCmd(uint32_t type,
const std::string& payload = "") const;
void subscribe(const std::string& payload) const;
struct ipc_response handleEvent() const;
protected:
static inline const std::string ipc_magic_ = "i3-ipc";
static inline const size_t ipc_header_size_ = ipc_magic_.size() + 8;
struct ipc_response sendCmd(uint32_t type, const std::string &payload = "") const;
void subscribe(const std::string &payload) const;
struct ipc_response handleEvent() const;
const std::string getSocketPath() const;
int open(const std::string&) const;
struct ipc_response send(int fd, uint32_t type,
const std::string& payload = "") const;
struct ipc_response recv(int fd) const;
protected:
static inline const std::string ipc_magic_ = "i3-ipc";
static inline const size_t ipc_header_size_ = ipc_magic_.size() + 8;
int fd_;
int fd_event_;
const std::string getSocketPath() const;
int open(const std::string &) const;
struct ipc_response send(int fd, uint32_t type, const std::string &payload = "") const;
struct ipc_response recv(int fd) const;
int fd_;
int fd_event_;
};
}
} // namespace waybar::modules::sway

48
include/modules/sway/ipc/ipc.hpp
View File

@ -3,30 +3,30 @@
#define event_mask(ev) (1u << (ev & 0x7F))
enum ipc_command_type {
// i3 command types - see i3's I3_REPLY_TYPE constants
IPC_COMMAND = 0,
IPC_GET_WORKSPACES = 1,
IPC_SUBSCRIBE = 2,
IPC_GET_OUTPUTS = 3,
IPC_GET_TREE = 4,
IPC_GET_MARKS = 5,
IPC_GET_BAR_CONFIG = 6,
IPC_GET_VERSION = 7,
IPC_GET_BINDING_MODES = 8,
IPC_GET_CONFIG = 9,
IPC_SEND_TICK = 10,
// i3 command types - see i3's I3_REPLY_TYPE constants
IPC_COMMAND = 0,
IPC_GET_WORKSPACES = 1,
IPC_SUBSCRIBE = 2,
IPC_GET_OUTPUTS = 3,
IPC_GET_TREE = 4,
IPC_GET_MARKS = 5,
IPC_GET_BAR_CONFIG = 6,
IPC_GET_VERSION = 7,
IPC_GET_BINDING_MODES = 8,
IPC_GET_CONFIG = 9,
IPC_SEND_TICK = 10,
// sway-specific command types
IPC_GET_INPUTS = 100,
IPC_GET_SEATS = 101,
// sway-specific command types
IPC_GET_INPUTS = 100,
IPC_GET_SEATS = 101,
// Events sent from sway to clients. Events have the highest bits set.
IPC_EVENT_WORKSPACE = ((1<<31) | 0),
IPC_EVENT_OUTPUT = ((1<<31) | 1),
IPC_EVENT_MODE = ((1<<31) | 2),
IPC_EVENT_WINDOW = ((1<<31) | 3),
IPC_EVENT_BARCONFIG_UPDATE = ((1<<31) | 4),
IPC_EVENT_BINDING = ((1<<31) | 5),
IPC_EVENT_SHUTDOWN = ((1<<31) | 6),
IPC_EVENT_TICK = ((1<<31) | 7),
// Events sent from sway to clients. Events have the highest bits set.
IPC_EVENT_WORKSPACE = ((1 << 31) | 0),
IPC_EVENT_OUTPUT = ((1 << 31) | 1),
IPC_EVENT_MODE = ((1 << 31) | 2),
IPC_EVENT_WINDOW = ((1 << 31) | 3),
IPC_EVENT_BARCONFIG_UPDATE = ((1 << 31) | 4),
IPC_EVENT_BINDING = ((1 << 31) | 5),
IPC_EVENT_SHUTDOWN = ((1 << 31) | 6),
IPC_EVENT_TICK = ((1 << 31) | 7),
};

3
include/modules/sway/mode.hpp
View File

@ -3,7 +3,7 @@
#include <fmt/format.h>
#include "bar.hpp"
#include "client.hpp"
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "util/json.hpp"
#include "ALabel.hpp"
#include "modules/sway/ipc/client.hpp"
@ -13,6 +13,7 @@ namespace waybar::modules::sway {
class Mode : public ALabel {
public:
Mode(const std::string&, const waybar::Bar&, const Json::Value&);
~Mode() = default;
auto update() -> void;
private:
void worker();

3
include/modules/sway/window.hpp
View File

@ -4,7 +4,7 @@
#include <tuple>
#include "bar.hpp"
#include "client.hpp"
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "util/json.hpp"
#include "ALabel.hpp"
#include "modules/sway/ipc/client.hpp"
@ -14,6 +14,7 @@ namespace waybar::modules::sway {
class Window : public ALabel {
public:
Window(const std::string&, const waybar::Bar&, const Json::Value&);
~Window() = default;
auto update() -> void;
private:
void worker();

7
include/modules/sway/workspaces.hpp
View File

@ -3,7 +3,7 @@
#include <fmt/format.h>
#include "bar.hpp"
#include "client.hpp"
#include "util/chrono.hpp"
#include "util/sleeper_thread.hpp"
#include "util/json.hpp"
#include "IModule.hpp"
#include "modules/sway/ipc/client.hpp"
@ -14,6 +14,7 @@ namespace waybar::modules::sway {
class Workspaces : public IModule {
public:
Workspaces(const std::string&, const waybar::Bar&, const Json::Value&);
~Workspaces() = default;
auto update() -> void;
operator Gtk::Widget &();
private:
@ -27,14 +28,14 @@ class Workspaces : public IModule {
const Bar& bar_;
const Json::Value& config_;
Json::Value workspaces_;
waybar::util::SleeperThread thread_;
Gtk::Box box_;
util::JsonParser parser_;
Ipc ipc_;
std::mutex mutex_;
bool scrolling_;
std::unordered_map<std::string, Gtk::Button> buttons_;
Json::Value workspaces_;
Ipc ipc_;
};
}

1
include/util/command.hpp
View File

@ -2,6 +2,7 @@
#include <sys/wait.h>
#include <giomm.h>
#include <unistd.h>
namespace waybar::util::command {

2
include/util/json.hpp
View File

@ -10,7 +10,7 @@ struct JsonParser {
: reader_(builder_.newCharReader())
{}
const Json::Value parse(const std::string data) const
const Json::Value parse(const std::string& data) const
{
Json::Value root;
std::string err;

38
include/util/chrono.hpp → include/util/sleeper_thread.hpp
View File

@ -6,30 +6,20 @@
#include <condition_variable>
#include <thread>
namespace waybar::chrono {
using namespace std::chrono;
using clock = std::chrono::system_clock;
using duration = clock::duration;
using time_point = std::chrono::time_point<clock, duration>;
}
namespace waybar::util {
struct SleeperThread {
class SleeperThread {
public:
SleeperThread() = default;
SleeperThread(std::function<void()> func)
: do_run_(true), thread_{[this, func] {
: thread_{[this, func] {
while (do_run_) func();
}}
{}
SleeperThread& operator=(std::function<void()> func)
{
do_run_ = true;
thread_ = std::thread([this, func] {
while (do_run_) func();
});
@ -41,16 +31,17 @@ struct SleeperThread {
return do_run_;
}
auto sleep_for(chrono::duration dur)
auto sleep_for(std::chrono::system_clock::duration dur)
{
auto lock = std::unique_lock(mutex_);
return condvar_.wait_for(lock, dur);
std::unique_lock lk(mutex_);
return condvar_.wait_for(lk, dur, [this] { return !do_run_; });
}
auto sleep_until(chrono::time_point time)
auto sleep_until(std::chrono::time_point<std::chrono::system_clock,
std::chrono::system_clock::duration> time_point)
{
auto lock = std::unique_lock(mutex_);
return condvar_.wait_until(lock, time);
std::unique_lock lk(mutex_);
return condvar_.wait_until(lk, time_point, [this] { return !do_run_; });
}
auto wake_up()
@ -60,7 +51,10 @@ struct SleeperThread {
auto stop()
{
do_run_ = false;
{
std::lock_guard<std::mutex> lck(mutex_);
do_run_ = false;
}
condvar_.notify_all();
}
@ -68,15 +62,15 @@ struct SleeperThread {
{
stop();
if (thread_.joinable()) {
thread_.detach();
thread_.join();
}
}
private:
bool do_run_ = false;
std::thread thread_;
std::condition_variable condvar_;
std::mutex mutex_;
bool do_run_ = true;
};
}

12
meson.build
View File

@ -9,7 +9,7 @@ project(
],
)
cpp_args = ['-DVERSION="@0@"'.format(meson.project_version())]
cpp_args = []
cpp_link_args = []
if false # libc++
@ -22,6 +22,16 @@ else
endif
compiler = meson.get_compiler('cpp')
git = find_program('git', required: false)
if not git.found()
add_project_arguments('-DVERSION="@0@"'.format(meson.project_version()), language: 'cpp')
else
git_commit_hash = run_command([git.path(), 'describe', '--always', '--tags']).stdout().strip()
git_branch = run_command([git.path(), 'rev-parse', '--abbrev-ref', 'HEAD']).stdout().strip()
version = '"@0@ (" __DATE__ ", branch \'@1@\')"'.format(git_commit_hash, git_branch)
add_project_arguments('-DVERSION=@0@'.format(version), language: 'cpp')
endif
if not compiler.has_header('filesystem')
add_project_arguments('-DFILESYSTEM_EXPERIMENTAL', language: 'cpp')

23
src/bar.cpp
View File

@ -7,7 +7,9 @@ waybar::Bar::Bar(const Client& client,
std::unique_ptr<struct wl_output *> &&p_output, uint32_t p_wl_name)
: client(client), window{Gtk::WindowType::WINDOW_TOPLEVEL},
surface(nullptr), layer_surface(nullptr),
output(std::move(p_output)), wl_name(p_wl_name)
output(std::move(p_output)), wl_name(p_wl_name),
left_(Gtk::ORIENTATION_HORIZONTAL, 0), center_(Gtk::ORIENTATION_HORIZONTAL, 0),
right_(Gtk::ORIENTATION_HORIZONTAL, 0), box_(Gtk::ORIENTATION_HORIZONTAL, 0)
{
static const struct zxdg_output_v1_listener xdgOutputListener = {
.logical_position = handleLogicalPosition,
@ -200,28 +202,23 @@ void waybar::Bar::getModules(const Factory& factory, const std::string& pos)
auto waybar::Bar::setupWidgets() -> void
{
auto &left = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
auto &center = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
auto &right = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
auto &box = *Gtk::manage(new Gtk::Box(Gtk::ORIENTATION_HORIZONTAL, 0));
window.add(box);
box.pack_start(left, true, true);
box.set_center_widget(center);
box.pack_end(right, true, true);
window.add(box_);
box_.pack_start(left_, true, true);
box_.set_center_widget(center_);
box_.pack_end(right_, true, true);
Factory factory(*this, config_);
getModules(factory, "modules-left");
getModules(factory, "modules-center");
getModules(factory, "modules-right");
for (auto const& module : modules_left_) {
left.pack_start(*module, false, true, 0);
left_.pack_start(*module, false, true, 0);
}
for (auto const& module : modules_center_) {
center.pack_start(*module, true, true, 0);
center_.pack_start(*module, true, true, 0);
}
std::reverse(modules_right_.begin(), modules_right_.end());
for (auto const& module : modules_right_) {
right.pack_end(*module, false, false, 0);
right_.pack_end(*module, false, false, 0);
}
}

2
src/modules/clock.cpp
View File

@ -8,7 +8,7 @@ waybar::modules::Clock::Clock(const std::string& id, const Json::Value& config)
label_.get_style_context()->add_class(id);
}
thread_ = [this] {
auto now = waybar::chrono::clock::now();
auto now = std::chrono::system_clock::now();
dp.emit();
auto timeout = std::chrono::floor<std::chrono::seconds>(now + interval_);
auto time_s = std::chrono::time_point_cast<std::chrono::seconds>(timeout);

2
src/modules/cpu.cpp
View File

@ -38,7 +38,7 @@ std::tuple<uint16_t, std::string> waybar::modules::Cpu::getCpuUsage()
{
if (prev_times_.empty()) {
prev_times_ = parseCpuinfo();
std::this_thread::sleep_for(chrono::milliseconds(100));
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
std::vector<std::tuple<size_t, size_t>> curr_times = parseCpuinfo();
std::string tooltip;

234
src/modules/network.cpp
View File

@ -1,23 +1,16 @@
#include <sys/eventfd.h>
#include "modules/network.hpp"
waybar::modules::Network::Network(const std::string& id, const Json::Value& config)
: ALabel(config, "{ifname}", 60), family_(AF_INET),
: ALabel(config, "{ifname}", 60), family_(AF_INET), efd_(-1), ev_fd_(-1),
cidr_(-1), signal_strength_dbm_(0), signal_strength_(0)
{
label_.set_name("network");
if (!id.empty()) {
label_.get_style_context()->add_class(id);
}
sock_fd_ = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (sock_fd_ < 0) {
throw std::runtime_error("Can't open network socket");
}
nladdr_.nl_family = AF_NETLINK;
nladdr_.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_IFADDR;
if (bind(sock_fd_, reinterpret_cast<struct sockaddr *>(&nladdr_),
sizeof(nladdr_)) != 0) {
throw std::runtime_error("Can't bind network socket");
}
createInfoSocket();
createEventSocket();
if (config_["interface"].isString()) {
ifid_ = if_nametoindex(config_["interface"].asCString());
ifname_ = config_["interface"].asString();
@ -32,73 +25,111 @@ waybar::modules::Network::Network(const std::string& id, const Json::Value& conf
ifname_ = ifname;
}
}
initNL80211();
// Trigger first values
getInfo();
dp.emit();
worker();
}
waybar::modules::Network::~Network()
{
close(sock_fd_);
nl_socket_free(sk_);
if (ev_fd_ > -1) {
eventfd_write(ev_fd_, 1);
std::this_thread::sleep_for(std::chrono::milliseconds(150));
close(ev_fd_);
}
if (efd_ > -1) {
close(efd_);
}
if (info_sock_ != nullptr) {
nl_socket_drop_membership(info_sock_, RTMGRP_LINK);
nl_socket_drop_membership(info_sock_, RTMGRP_IPV4_IFADDR);
nl_close(info_sock_);
nl_socket_free(info_sock_);
}
if (sk_ != nullptr) {
nl_close(sk_);
nl_socket_free(sk_);
}
}
void waybar::modules::Network::createInfoSocket()
{
info_sock_ = nl_socket_alloc();
if (nl_connect(info_sock_, NETLINK_ROUTE) != 0) {
throw std::runtime_error("Can't connect network socket");
}
if (nl_socket_add_membership(info_sock_, RTMGRP_LINK) != 0) {
throw std::runtime_error("Can't add membership");
}
if (nl_socket_add_membership(info_sock_, RTMGRP_IPV4_IFADDR) != 0) {
throw std::runtime_error("Can't add membership");
}
nl_socket_disable_seq_check(info_sock_);
nl_socket_set_nonblocking(info_sock_);
nl_socket_modify_cb(info_sock_, NL_CB_MSG_IN, NL_CB_CUSTOM, handleEvents, this);
efd_ = epoll_create1(0);
if (efd_ < 0) {
throw std::runtime_error("Can't create epoll");
}
{
ev_fd_ = eventfd(0, EFD_NONBLOCK);
struct epoll_event event;
event.events = EPOLLIN | EPOLLET;
event.data.fd = ev_fd_;
if (epoll_ctl(efd_, EPOLL_CTL_ADD, ev_fd_, &event) == -1) {
throw std::runtime_error("Can't add epoll event");
}
}
{
auto fd = nl_socket_get_fd(info_sock_);
struct epoll_event event;
event.events = EPOLLIN;
event.data.fd = fd;
if (epoll_ctl(efd_, EPOLL_CTL_ADD, fd, &event) == -1) {
throw std::runtime_error("Can't add epoll event");
}
}
}
void waybar::modules::Network::createEventSocket()
{
sk_ = nl_socket_alloc();
if (genl_connect(sk_) != 0) {
throw std::runtime_error("Can't connect to netlink socket");
}
if (nl_socket_modify_cb(sk_, NL_CB_VALID, NL_CB_CUSTOM, handleScan, this) < 0) {
throw std::runtime_error("Can't set callback");
}
nl80211_id_ = genl_ctrl_resolve(sk_, "nl80211");
if (nl80211_id_ < 0) {
throw std::runtime_error("Can't resolve nl80211 interface");
}
}
void waybar::modules::Network::worker()
{
thread_ = [this] {
char buf[4096];
auto len = netlinkResponse(sock_fd_, buf, sizeof(buf), RTMGRP_LINK | RTMGRP_IPV4_IFADDR);
if (len == 0) {
return;
}
bool need_update = false;
for (auto nh = reinterpret_cast<struct nlmsghdr *>(buf); NLMSG_OK(nh, len);
nh = NLMSG_NEXT(nh, len)) {
if (nh->nlmsg_type == NLMSG_DONE) {
break;
}
if (nh->nlmsg_type == NLMSG_ERROR) {
continue;
}
if (nh->nlmsg_type == RTM_NEWADDR) {
need_update = true;
}
if (nh->nlmsg_type < RTM_NEWADDR) {
auto rtif = static_cast<struct ifinfomsg *>(NLMSG_DATA(nh));
if (rtif->ifi_index == static_cast<int>(ifid_)) {
need_update = true;
if (!(rtif->ifi_flags & IFF_RUNNING)) {
disconnected();
}
}
}
}
if (ifid_ <= 0 && !config_["interface"].isString()) {
// Need to wait before get external interface
thread_.sleep_for(std::chrono::seconds(1));
ifid_ = getExternalInterface();
if (ifid_ > 0) {
char ifname[IF_NAMESIZE];
if_indextoname(ifid_, ifname);
ifname_ = ifname;
need_update = true;
}
}
if (need_update) {
if (ifid_ > 0) {
getInfo();
}
dp.emit();
}
};
thread_timer_ = [this] {
thread_timer_.sleep_for(interval_);
if (ifid_ > 0) {
getInfo();
dp.emit();
}
thread_timer_.sleep_for(interval_);
};
thread_ = [this] {
struct epoll_event events[16];
int ec = epoll_wait(efd_, events, 16, -1);
if (ec > 0) {
for (auto i = 0; i < ec; i++) {
if (events[i].events & EPOLLIN
&& events[i].data.fd == nl_socket_get_fd(info_sock_)) {
nl_recvmsgs_default(info_sock_);
} else {
thread_.stop();
break;
}
}
} else if (ec == -1) {
thread_.stop();
}
};
}
@ -151,24 +182,6 @@ void waybar::modules::Network::disconnected()
thread_.sleep_for(std::chrono::seconds(1));
}
void waybar::modules::Network::initNL80211()
{
sk_ = nl_socket_alloc();
if (genl_connect(sk_) != 0) {
nl_socket_free(sk_);
throw std::runtime_error("Can't connect to netlink socket");
}
if (nl_socket_modify_cb(sk_, NL_CB_VALID, NL_CB_CUSTOM, scanCb, this) < 0) {
nl_socket_free(sk_);
throw std::runtime_error("Can't connect to netlink socket");
}
nl80211_id_ = genl_ctrl_resolve(sk_, "nl80211");
if (nl80211_id_ < 0) {
nl_socket_free(sk_);
throw std::runtime_error("Can't resolve nl80211 interface");
}
}
// Based on https://gist.github.com/Yawning/c70d804d4b8ae78cc698
int waybar::modules::Network::getExternalInterface()
{
@ -192,7 +205,7 @@ int waybar::modules::Network::getExternalInterface()
rt->rtm_table = RT_TABLE_MAIN;
/* Issue the query. */
if (netlinkRequest(sock_fd_, req, reqlen) < 0) {
if (netlinkRequest(req, reqlen) < 0) {
goto out;
}
@ -202,7 +215,7 @@ int waybar::modules::Network::getExternalInterface()
* consume responses till NLMSG_DONE/NLMSG_ERROR is encountered).
*/
do {
auto len = netlinkResponse(sock_fd_, resp, route_buffer_size);
auto len = netlinkResponse(resp, route_buffer_size);
if (len < 0) {
goto out;
}
@ -322,7 +335,7 @@ void waybar::modules::Network::getInterfaceAddress() {
}
}
int waybar::modules::Network::netlinkRequest(int fd, void *req,
int waybar::modules::Network::netlinkRequest(void *req,
uint32_t reqlen, uint32_t groups)
{
struct sockaddr_nl sa = {};
@ -330,10 +343,10 @@ int waybar::modules::Network::netlinkRequest(int fd, void *req,
sa.nl_groups = groups;
struct iovec iov = { req, reqlen };
struct msghdr msg = { &sa, sizeof(sa), &iov, 1, nullptr, 0, 0 };
return sendmsg(fd, &msg, 0);
return sendmsg(nl_socket_get_fd(info_sock_), &msg, 0);
}
int waybar::modules::Network::netlinkResponse(int fd, void *resp,
int waybar::modules::Network::netlinkResponse(void *resp,
uint32_t resplen, uint32_t groups)
{
struct sockaddr_nl sa = {};
@ -341,14 +354,50 @@ int waybar::modules::Network::netlinkResponse(int fd, void *resp,
sa.nl_groups = groups;
struct iovec iov = { resp, resplen };
struct msghdr msg = { &sa, sizeof(sa), &iov, 1, nullptr, 0, 0 };
auto ret = recvmsg(fd, &msg, 0);
auto ret = recvmsg(nl_socket_get_fd(info_sock_), &msg, 0);
if (msg.msg_flags & MSG_TRUNC) {
return -1;
}
return ret;
}
int waybar::modules::Network::scanCb(struct nl_msg *msg, void *data) {
int waybar::modules::Network::handleEvents(struct nl_msg *msg, void *data) {
auto net = static_cast<waybar::modules::Network *>(data);
bool need_update = false;
nlmsghdr *nh = nlmsg_hdr(msg);
if (nh->nlmsg_type == RTM_NEWADDR) {
need_update = true;
}
if (nh->nlmsg_type < RTM_NEWADDR) {
auto rtif = static_cast<struct ifinfomsg *>(NLMSG_DATA(nh));
if (rtif->ifi_index == static_cast<int>(net->ifid_)) {
need_update = true;
if (!(rtif->ifi_flags & IFF_RUNNING)) {
net->disconnected();
}
}
}
if (net->ifid_ <= 0 && !net->config_["interface"].isString()) {
// Need to wait before get external interface
net->thread_.sleep_for(std::chrono::seconds(1));
net->ifid_ = net->getExternalInterface();
if (net->ifid_ > 0) {
char ifname[IF_NAMESIZE];
if_indextoname(net->ifid_, ifname);
net->ifname_ = ifname;
need_update = true;
}
}
if (need_update) {
if (net->ifid_ > 0) {
net->getInfo();
}
net->dp.emit();
}
return NL_SKIP;
}
int waybar::modules::Network::handleScan(struct nl_msg *msg, void *data) {
auto net = static_cast<waybar::modules::Network *>(data);
auto gnlh = static_cast<genlmsghdr *>(nlmsg_data(nlmsg_hdr(msg)));
struct nlattr* tb[NL80211_ATTR_MAX + 1];
@ -404,9 +453,8 @@ void waybar::modules::Network::parseEssid(struct nlattr **bss)
void waybar::modules::Network::parseSignal(struct nlattr **bss) {
if (bss[NL80211_BSS_SIGNAL_MBM] != nullptr) {
// signalstrength in dBm
signal_strength_dbm_ =
static_cast<int>(nla_get_u32(bss[NL80211_BSS_SIGNAL_MBM])) / 100;
// 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 -20dBm.
const int hardwareMax = -20;
@ -414,6 +462,9 @@ void waybar::modules::Network::parseSignal(struct nlattr **bss) {
signal_strength_ = ((signal_strength_dbm_ - hardwareMin)
/ double{hardwareMax - hardwareMin}) * 100;
}
if (bss[NL80211_BSS_SIGNAL_UNSPEC] != nullptr) {
signal_strength_ = nla_get_u8(bss[NL80211_BSS_SIGNAL_UNSPEC]);
}
}
bool waybar::modules::Network::associatedOrJoined(struct nlattr** bss)
@ -437,7 +488,6 @@ auto waybar::modules::Network::getInfo() -> void
getInterfaceAddress();
struct nl_msg* nl_msg = nlmsg_alloc();
if (nl_msg == nullptr) {
nlmsg_free(nl_msg);
return;
}
if (genlmsg_put(nl_msg, NL_AUTO_PORT, NL_AUTO_SEQ, nl80211_id_, 0, NLM_F_DUMP,

27
src/modules/sway/ipc/client.cpp
View File

@ -1,11 +1,18 @@
#include "modules/sway/ipc/client.hpp"
waybar::modules::sway::Ipc::Ipc()
: fd_(-1), fd_event_(-1)
{}
{
const std::string& socketPath = getSocketPath();
fd_ = open(socketPath);
fd_event_ = open(socketPath);
}
waybar::modules::sway::Ipc::~Ipc()
{
// To fail the IPC header
write(fd_, "close-sway-ipc", 14);
write(fd_event_, "close-sway-ipc", 14);
close(fd_);
close(fd_event_);
}
@ -53,13 +60,6 @@ int waybar::modules::sway::Ipc::open(const std::string& socketPath) const
return fd;
}
void waybar::modules::sway::Ipc::connect()
{
const std::string& socketPath = getSocketPath();
fd_ = open(socketPath);
fd_event_ = open(socketPath);
}
struct waybar::modules::sway::Ipc::ipc_response
waybar::modules::sway::Ipc::recv(int fd) const
{
@ -71,18 +71,23 @@ struct waybar::modules::sway::Ipc::ipc_response
while (total < ipc_header_size_) {
auto res = ::recv(fd, header.data() + total, ipc_header_size_ - total, 0);
if (res <= 0) {
throw std::runtime_error("Unable to receive IPC response");
throw std::runtime_error("Unable to receive IPC header");
}
total += res;
}
auto magic = std::string(header.data(), header.data() + ipc_magic_.size());
if (magic != ipc_magic_) {
throw std::runtime_error("Invalid IPC magic");
}
total = 0;
std::string payload;
payload.reserve(data32[0] + 1);
while (total < data32[0]) {
auto res = ::recv(fd, payload.data() + total, data32[0] - total, 0);
if (res < 0) {
throw std::runtime_error("Unable to receive IPC response");
throw std::runtime_error("Unable to receive IPC payload");
}
total += res;
}

9
src/modules/sway/mode.cpp
View File

@ -7,7 +7,6 @@ waybar::modules::sway::Mode::Mode(const std::string& id, const Bar& bar, const J
if (!id.empty()) {
label_.get_style_context()->add_class(id);
}
ipc_.connect();
ipc_.subscribe("[ \"mode\" ]");
// Launch worker
worker();
@ -20,14 +19,12 @@ void waybar::modules::sway::Mode::worker()
try {
auto res = ipc_.handleEvent();
auto parsed = parser_.parse(res.payload);
if ((parsed["change"]) != "default" ) {
if (parsed["change"] != "default") {
mode_ = parsed["change"].asString();
dp.emit();
}
else if ((parsed["change"]) == "default" ) {
} else {
mode_.clear();
dp.emit();
}
dp.emit();
} catch (const std::exception& e) {
std::cerr << "Mode: " << e.what() << std::endl;
}

1
src/modules/sway/window.cpp
View File

@ -11,7 +11,6 @@ waybar::modules::sway::Window::Window(const std::string& id, const Bar &bar, con
label_.set_hexpand(true);
label_.set_ellipsize(Pango::EllipsizeMode::ELLIPSIZE_END);
}
ipc_.connect();
ipc_.subscribe("[\"window\",\"workspace\"]");
getFocusedWindow();
// Launch worker

9
src/modules/sway/workspaces.cpp
View File

@ -8,7 +8,6 @@ waybar::modules::sway::Workspaces::Workspaces(const std::string& id, const Bar&
if (!id.empty()) {
box_.get_style_context()->add_class(id);
}
ipc_.connect();
ipc_.subscribe("[ \"workspace\" ]");
// Launch worker
worker();
@ -21,15 +20,17 @@ void waybar::modules::sway::Workspaces::worker()
// Wait for the name of the output
if (!config_["all-outputs"].asBool() && bar_.output_name.empty()) {
while (bar_.output_name.empty()) {
thread_.sleep_for(chrono::milliseconds(150));
thread_.sleep_for(std::chrono::milliseconds(150));
}
} else if (thread_.isRunning() && !workspaces_.empty()) {
} else if (!workspaces_.empty()) {
ipc_.handleEvent();
}
{
std::lock_guard<std::mutex> lock(mutex_);
auto res = ipc_.sendCmd(IPC_GET_WORKSPACES);
workspaces_ = parser_.parse(res.payload);
if (thread_.isRunning()) {
workspaces_ = parser_.parse(res.payload);
}
}
dp.emit();
} catch (const std::exception& e) {