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Diffstat (limited to 'src/openbsd/btop_collect.cpp')
-rw-r--r-- | src/openbsd/btop_collect.cpp | 1295 |
1 files changed, 1295 insertions, 0 deletions
diff --git a/src/openbsd/btop_collect.cpp b/src/openbsd/btop_collect.cpp new file mode 100644 index 0000000..df35662 --- /dev/null +++ b/src/openbsd/btop_collect.cpp @@ -0,0 +1,1295 @@ +/* Copyright 2021 Aristocratos (jakob@qvantnet.com) + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + +indent = tab +tab-size = 4 +*/ +#include <arpa/inet.h> +#include <cstddef> +#include <cstdio> +#include <cstdlib> +#include <cstring> +// man 3 getifaddrs: "BUGS: If both <net/if.h> and <ifaddrs.h> are being included, <net/if.h> must be included before <ifaddrs.h>" +#include <net/if.h> +#include <ifaddrs.h> +#include <net/if_dl.h> +#include <net/route.h> +#include <netdb.h> +#include <netinet/tcp_fsm.h> +#include <netinet/in.h> // for inet_ntop stuff +#include <pwd.h> +#include <sys/endian.h> +#include <sys/resource.h> +#include <sys/socket.h> +#include <sys/statvfs.h> +#include <sys/sysctl.h> +#include <sys/sched.h> +#include <sys/signal.h> +#include <sys/siginfo.h> +#include <sys/proc.h> +#include <sys/types.h> +#include <sys/user.h> +#include <sys/param.h> +#include <sys/ucred.h> +#include <sys/mount.h> +#include <sys/vmmeter.h> +#include <sys/limits.h> +#include <sys/sensors.h> +#include <sys/disk.h> +#include <vector> +#include <kvm.h> +#include <paths.h> +#include <fcntl.h> +#include <unistd.h> + +#include <stdexcept> +#include <cmath> +#include <fstream> +#include <numeric> +#include <ranges> +#include <algorithm> +#include <regex> +#include <string> +#include <memory> + +#include "../btop_config.hpp" +#include "../btop_shared.hpp" +#include "../btop_tools.hpp" + +#include "./sysctlbyname.h" + +using std::clamp, std::string_literals::operator""s, std::cmp_equal, std::cmp_less, std::cmp_greater; +using std::ifstream, std::numeric_limits, std::streamsize, std::round, std::max, std::min; +namespace fs = std::filesystem; +namespace rng = std::ranges; +using namespace Tools; + +//? --------------------------------------------------- FUNCTIONS ----------------------------------------------------- + +namespace Cpu { + vector<long long> core_old_totals; + vector<long long> core_old_idles; + vector<string> available_fields = {"total"}; + vector<string> available_sensors = {"Auto"}; + cpu_info current_cpu; + bool got_sensors = false, cpu_temp_only = false; + + //* Populate found_sensors map + bool get_sensors(); + + //* Get current cpu clock speed + string get_cpuHz(); + + //* Search /proc/cpuinfo for a cpu name + string get_cpuName(); + + struct Sensor { + fs::path path; + string label; + int64_t temp = 0; + int64_t high = 0; + int64_t crit = 0; + }; + + string cpu_sensor; + vector<string> core_sensors; + std::unordered_map<int, int> core_mapping; +} // namespace Cpu + +namespace Mem { + double old_uptime; +} + +namespace Shared { + + fs::path passwd_path; + uint64_t totalMem; + long pageSize, clkTck, coreCount, physicalCoreCount, arg_max; + int totalMem_len, kfscale; + long bootTime; + + void init() { + //? Shared global variables init + int mib[2]; + mib[0] = CTL_HW; + mib[1] = HW_NCPU; + int ncpu; + size_t len = sizeof(ncpu); + if (sysctl(mib, 2, &ncpu, &len, nullptr, 0) == -1) { + Logger::warning("Could not determine number of cores, defaulting to 1."); + } else { + coreCount = ncpu; + } + + pageSize = sysconf(_SC_PAGE_SIZE); + if (pageSize <= 0) { + pageSize = 4096; + Logger::warning("Could not get system page size. Defaulting to 4096, processes memory usage might be incorrect."); + } + + clkTck = sysconf(_SC_CLK_TCK); + if (clkTck <= 0) { + clkTck = 100; + Logger::warning("Could not get system clock ticks per second. Defaulting to 100, processes cpu usage might be incorrect."); + } + + int64_t memsize = 0; + size_t size = sizeof(memsize); + if (sysctlbyname("hw.physmem", &memsize, &size, nullptr, 0) < 0) { + Logger::warning("Could not get memory size"); + } + totalMem = memsize; + + struct timeval result; + size = sizeof(result); + if (sysctlbyname("kern.boottime", &result, &size, nullptr, 0) < 0) { + Logger::warning("Could not get boot time"); + } else { + bootTime = result.tv_sec; + } + + size = sizeof(kfscale); + if (sysctlbyname("kern.fscale", &kfscale, &size, nullptr, 0) == -1) { + kfscale = 2048; + } + + //* Get maximum length of process arguments + arg_max = sysconf(_SC_ARG_MAX); + + //? Init for namespace Cpu + Cpu::current_cpu.core_percent.insert(Cpu::current_cpu.core_percent.begin(), Shared::coreCount, {}); + Cpu::current_cpu.temp.insert(Cpu::current_cpu.temp.begin(), Shared::coreCount + 1, {}); + Cpu::core_old_totals.insert(Cpu::core_old_totals.begin(), Shared::coreCount, 0); + Cpu::core_old_idles.insert(Cpu::core_old_idles.begin(), Shared::coreCount, 0); + Cpu::collect(); + for (auto &[field, vec] : Cpu::current_cpu.cpu_percent) { + if (not vec.empty() and not v_contains(Cpu::available_fields, field)) Cpu::available_fields.push_back(field); + } + Cpu::cpuName = Cpu::get_cpuName(); + Cpu::got_sensors = Cpu::get_sensors(); + Cpu::core_mapping = Cpu::get_core_mapping(); + + //? Init for namespace Mem + Mem::old_uptime = system_uptime(); + Mem::collect(); + } + + //* RAII wrapper for kvm_openfiles + class kvm_openfiles_wrapper { + kvm_t* kd = nullptr; + public: + kvm_openfiles_wrapper(const char* execf, const char* coref, const char* swapf, int flags, char* err) { + this->kd = kvm_openfiles(execf, coref, swapf, flags, err); + } + ~kvm_openfiles_wrapper() { kvm_close(kd); } + auto operator()() -> kvm_t* { return kd; } + }; + +} // namespace Shared + +namespace Cpu { + string cpuName; + string cpuHz; + bool has_battery = true; + tuple<int, long, string> current_bat; + + const array<string, 10> time_names = {"user", "nice", "system", "idle"}; + + std::unordered_map<string, long long> cpu_old = { + {"totals", 0}, + {"idles", 0}, + {"user", 0}, + {"nice", 0}, + {"system", 0}, + {"idle", 0} + }; + + string get_cpuName() { + string name; + char buffer[1024]; + size_t size = sizeof(buffer); + if (sysctlbyname("hw.model", &buffer, &size, nullptr, 0) < 0) { + Logger::error("Failed to get CPU name"); + return name; + } + name = string(buffer); + + auto name_vec = ssplit(name); + + if ((s_contains(name, "Xeon"s) or v_contains(name_vec, "Duo"s)) and v_contains(name_vec, "CPU"s)) { + auto cpu_pos = v_index(name_vec, "CPU"s); + if (cpu_pos < name_vec.size() - 1 and not name_vec.at(cpu_pos + 1).ends_with(')')) + name = name_vec.at(cpu_pos + 1); + else + name.clear(); + } else if (v_contains(name_vec, "Ryzen"s)) { + auto ryz_pos = v_index(name_vec, "Ryzen"s); + name = "Ryzen" + (ryz_pos < name_vec.size() - 1 ? ' ' + name_vec.at(ryz_pos + 1) : "") + (ryz_pos < name_vec.size() - 2 ? ' ' + name_vec.at(ryz_pos + 2) : ""); + } else if (s_contains(name, "Intel"s) and v_contains(name_vec, "CPU"s)) { + auto cpu_pos = v_index(name_vec, "CPU"s); + if (cpu_pos < name_vec.size() - 1 and not name_vec.at(cpu_pos + 1).ends_with(')') and name_vec.at(cpu_pos + 1) != "@") + name = name_vec.at(cpu_pos + 1); + else + name.clear(); + } else + name.clear(); + + if (name.empty() and not name_vec.empty()) { + for (const auto &n : name_vec) { + if (n == "@") break; + name += n + ' '; + } + name.pop_back(); + for (const auto& replace : {"Processor", "CPU", "(R)", "(TM)", "Intel", "AMD", "Core"}) { + name = s_replace(name, replace, ""); + name = s_replace(name, " ", " "); + } + name = trim(name); + } + + return name; + } + + int64_t get_sensor(string device, sensor_type type, int num) { + int64_t temp = -1; + struct sensordev sensordev; + struct sensor sensor; + size_t sdlen, slen; + int dev; + int mib[] = {CTL_HW, HW_SENSORS, 0, 0, 0}; + + sdlen = sizeof(sensordev); + slen = sizeof(sensor); + for (dev = 0;; dev++) { + mib[2] = dev; + if (sysctl(mib, 3, &sensordev, &sdlen, NULL, 0) == -1) { + if (errno == ENXIO) + continue; + if (errno == ENOENT) + break; + } + if (strstr(sensordev.xname, device.c_str())) { + mib[3] = type; + mib[4] = num; + if (sysctl(mib, 5, &sensor, &slen, NULL, 0) == -1) { + if (errno != ENOENT) { + Logger::warning("sysctl"); + continue; + } + } + temp = sensor.value; + break; + } + } + return temp; + } + + bool get_sensors() { + got_sensors = false; + if (Config::getB("show_coretemp") and Config::getB("check_temp")) { + if (get_sensor(string("cpu0") , SENSOR_TEMP, 0) > 0) { + got_sensors = true; + current_cpu.temp_max = 100; // we don't have this info + } else { + Logger::warning("Could not get temp sensor"); + } + } + return got_sensors; + } + +#define MUKTOC(v) ((v - 273150000) / 1000000.0) + + void update_sensors() { + int temp = 0; + int p_temp = 0; + + temp = get_sensor(string("cpu0"), SENSOR_TEMP, 0); + if (temp > -1) { + temp = MUKTOC(temp); + p_temp = temp; + for (int i = 0; i < Shared::coreCount; i++) { + if (cmp_less(i + 1, current_cpu.temp.size())) { + current_cpu.temp.at(i + 1).push_back(temp); + if (current_cpu.temp.at(i + 1).size() > 20) + current_cpu.temp.at(i + 1).pop_front(); + } + } + current_cpu.temp.at(0).push_back(p_temp); + if (current_cpu.temp.at(0).size() > 20) + current_cpu.temp.at(0).pop_front(); + } + + } + + string get_cpuHz() { + unsigned int freq = 1; + size_t size = sizeof(freq); + + if (sysctlbyname("hw.cpuspeed", &freq, &size, nullptr, 0) < 0) { + return ""; + } + return std::to_string(freq / 1000.0 ).substr(0, 3); // seems to be in MHz + } + + auto get_core_mapping() -> std::unordered_map<int, int> { + std::unordered_map<int, int> core_map; + if (cpu_temp_only) return core_map; + + for (long i = 0; i < Shared::coreCount; i++) { + core_map[i] = i; + } + + //? If core mapping from cpuinfo was incomplete try to guess remainder, if missing completely, map 0-0 1-1 2-2 etc. + if (cmp_less(core_map.size(), Shared::coreCount)) { + if (Shared::coreCount % 2 == 0 and (long) core_map.size() == Shared::coreCount / 2) { + for (int i = 0, n = 0; i < Shared::coreCount / 2; i++) { + if (std::cmp_greater_equal(n, core_sensors.size())) n = 0; + core_map[Shared::coreCount / 2 + i] = n++; + } + } else { + core_map.clear(); + for (int i = 0, n = 0; i < Shared::coreCount; i++) { + if (std::cmp_greater_equal(n, core_sensors.size())) n = 0; + core_map[i] = n++; + } + } + } + + //? Apply user set custom mapping if any + const auto &custom_map = Config::getS("cpu_core_map"); + if (not custom_map.empty()) { + try { + for (const auto &split : ssplit(custom_map)) { + const auto vals = ssplit(split, ':'); + if (vals.size() != 2) continue; + int change_id = std::stoi(vals.at(0)); + int new_id = std::stoi(vals.at(1)); + if (not core_map.contains(change_id) or cmp_greater(new_id, core_sensors.size())) continue; + core_map.at(change_id) = new_id; + } + } catch (...) { + } + } + + return core_map; + } + + auto get_battery() -> tuple<int, long, string> { + if (not has_battery) return {0, 0, ""}; + + long seconds = -1; + uint32_t percent = -1; + string status = "discharging"; + int64_t full, remaining; + full = get_sensor("acpibat0", SENSOR_AMPHOUR, 0); + remaining = get_sensor("acpibat0", SENSOR_AMPHOUR, 3); + int64_t state = get_sensor("acpibat0", SENSOR_INTEGER, 0); + if (full < 0) { + has_battery = false; + Logger::warning("failed to get battery"); + } else { + float_t f = full / 1000; + float_t r = remaining / 1000; + has_battery = true; + percent = r / f * 100; + if (percent == 100) { + status = "full"; + } + switch (state) { + case 0: + status = "full"; + percent = 100; + break; + case 2: + status = "charging"; + break; + } + } + + return {percent, seconds, status}; + } + + auto collect(bool no_update) -> cpu_info & { + if (Runner::stopping or (no_update and not current_cpu.cpu_percent.at("total").empty())) + return current_cpu; + auto &cpu = current_cpu; + + if (getloadavg(cpu.load_avg.data(), cpu.load_avg.size()) < 0) { + Logger::error("failed to get load averages"); + } + + auto cp_time = std::unique_ptr<struct cpustats[]>{ + new struct cpustats[Shared::coreCount] + }; + size_t size = Shared::coreCount * sizeof(struct cpustats); + static int cpustats_mib[] = {CTL_KERN, KERN_CPUSTATS, /*fillme*/0}; + for (int i = 0; i < Shared::coreCount; i++) { + cpustats_mib[2] = i / 2; + if (sysctl(cpustats_mib, 3, &cp_time[i], &size, NULL, 0) == -1) { + Logger::error("sysctl kern.cpustats failed"); + } + } + long long global_totals = 0; + long long global_idles = 0; + vector<long long> times_summed = {0, 0, 0, 0}; + + for (long i = 0; i < Shared::coreCount; i++) { + vector<long long> times; + //? 0=user, 1=nice, 2=system, 3=idle + for (int x = 0; const unsigned int c_state : {CP_USER, CP_NICE, CP_SYS, CP_IDLE}) { + auto val = cp_time[i].cs_time[c_state]; + times.push_back(val); + times_summed.at(x++) += val; + } + try { + //? All values + const long long totals = std::accumulate(times.begin(), times.end(), 0ll); + + //? Idle time + const long long idles = times.at(3); + + global_totals += totals; + global_idles += idles; + + //? Calculate cpu total for each core + if (i > Shared::coreCount) break; + const long long calc_totals = max(0ll, totals - core_old_totals.at(i)); + const long long calc_idles = max(0ll, idles - core_old_idles.at(i)); + core_old_totals.at(i) = totals; + core_old_idles.at(i) = idles; + + cpu.core_percent.at(i).push_back(clamp((long long)round((double)(calc_totals - calc_idles) * 100 / calc_totals), 0ll, 100ll)); + + //? Reduce size if there are more values than needed for graph + if (cpu.core_percent.at(i).size() > 40) cpu.core_percent.at(i).pop_front(); + + } catch (const std::exception &e) { + Logger::error("Cpu::collect() : " + (string)e.what()); + throw std::runtime_error("collect() : " + (string)e.what()); + } + + } + + const long long calc_totals = max(1ll, global_totals - cpu_old.at("totals")); + const long long calc_idles = max(1ll, global_idles - cpu_old.at("idles")); + + //? Populate cpu.cpu_percent with all fields from syscall + for (int ii = 0; const auto &val : times_summed) { + cpu.cpu_percent.at(time_names.at(ii)).push_back(clamp((long long)round((double)(val - cpu_old.at(time_names.at(ii))) * 100 / calc_totals), 0ll, 100ll)); + cpu_old.at(time_names.at(ii)) = val; + + //? Reduce size if there are more values than needed for graph + while (cmp_greater(cpu.cpu_percent.at(time_names.at(ii)).size(), width * 2)) cpu.cpu_percent.at(time_names.at(ii)).pop_front(); + + ii++; + } + + cpu_old.at("totals") = global_totals; + cpu_old.at("idles") = global_idles; + + //? Total usage of cpu + cpu.cpu_percent.at("total").push_back(clamp((long long)round((double)(calc_totals - calc_idles) * 100 / calc_totals), 0ll, 100ll)); + + //? Reduce size if there are more values than needed for graph + while (cmp_greater(cpu.cpu_percent.at("total").size(), width * 2)) cpu.cpu_percent.at("total").pop_front(); + + if (Config::getB("show_cpu_freq")) { + auto hz = get_cpuHz(); + if (hz != "") { + cpuHz = hz; + } + } + + if (Config::getB("check_temp") and got_sensors) + update_sensors(); + + if (Config::getB("show_battery") and has_battery) + current_bat = get_battery(); + + return cpu; + } +} // namespace Cpu + +namespace Mem { + bool has_swap = false; + vector<string> fstab; + fs::file_time_type fstab_time; + int disk_ios = 0; + vector<string> last_found; + + mem_info current_mem{}; + + uint64_t get_totalMem() { + return Shared::totalMem; + } + + void assign_values(struct disk_info& disk, int64_t readBytes, int64_t writeBytes) { + disk_ios++; + if (disk.io_read.empty()) { + disk.io_read.push_back(0); + } else { + disk.io_read.push_back(max((int64_t)0, (readBytes - disk.old_io.at(0)))); + } + disk.old_io.at(0) = readBytes; + while (cmp_greater(disk.io_read.size(), width * 2)) disk.io_read.pop_front(); + + if (disk.io_write.empty()) { + disk.io_write.push_back(0); + } else { + disk.io_write.push_back(max((int64_t)0, (writeBytes - disk.old_io.at(1)))); + } + disk.old_io.at(1) = writeBytes; + while (cmp_greater(disk.io_write.size(), width * 2)) disk.io_write.pop_front(); + + // no io times - need to push something anyway or we'll get an ABORT + if (disk.io_activity.empty()) + disk.io_activity.push_back(0); + else + disk.io_activity.push_back(clamp((long)round((double)(disk.io_write.back() + disk.io_read.back()) / (1 << 20)), 0l, 100l)); + while (cmp_greater(disk.io_activity.size(), width * 2)) disk.io_activity.pop_front(); + } + + void collect_disk(std::unordered_map<string, disk_info> &disks, std::unordered_map<string, string> &mapping) { + uint64_t total_bytes_read = 0; + uint64_t total_bytes_write = 0; + + int num_drives = 0; + int mib[2] = { CTL_HW, HW_DISKCOUNT }; + + size_t size; + if (sysctl(mib, 2, &num_drives, &size, NULL, 0) >= 0) { + mib[0] = CTL_HW; + mib[1] = HW_DISKSTATS; + size = num_drives * sizeof(struct diskstats); + auto p = std::unique_ptr<struct diskstats[], void(*)(void*)> { + reinterpret_cast<struct diskstats*>(malloc(size)), + free + }; + if (sysctl(mib, 2, p.get(), &size, NULL, 0) == -1) { + Logger::error("failed to get disk stats"); + return; + } + for (int i = 0; i < num_drives; i++) { + for (auto& [ignored, disk] : disks) { + if (disk.dev.string().find(p[i].ds_name) != string::npos) { + string mountpoint = mapping.at(disk.dev); + total_bytes_read = p[i].ds_rbytes; + total_bytes_write = p[i].ds_wbytes; + assign_values(disk, total_bytes_read, total_bytes_write); + } + } + } + } + } + + auto collect(bool no_update) -> mem_info & { + if (Runner::stopping or (no_update and not current_mem.percent.at("used").empty())) + return current_mem; + + auto show_swap = Config::getB("show_swap"); + auto show_disks = Config::getB("show_disks"); + auto swap_disk = Config::getB("swap_disk"); + auto &mem = current_mem; + static bool snapped = (getenv("BTOP_SNAPPED") != nullptr); + + u_int memActive, memWire, cachedMem; + // u_int freeMem; + size_t size; + static int uvmexp_mib[] = {CTL_VM, VM_UVMEXP}; + static int bcstats_mib[] = {CTL_VFS, VFS_GENERIC, VFS_BCACHESTAT}; + struct uvmexp uvmexp; + struct bcachestats bcstats; + size = sizeof(uvmexp); + if (sysctl(uvmexp_mib, 2, &uvmexp, &size, NULL, 0) == -1) { + Logger::error("sysctl failed"); + bzero(&uvmexp, sizeof(uvmexp)); + } + size = sizeof(bcstats); + if (sysctl(bcstats_mib, 3, &bcstats, &size, NULL, 0) == -1) { + Logger::error("sysctl failed"); + bzero(&bcstats, sizeof(bcstats)); + } + memActive = uvmexp.active * Shared::pageSize; + memWire = uvmexp.wired; + // freeMem = uvmexp.free * Shared::pageSize; + cachedMem = bcstats.numbufpages * Shared::pageSize; + mem.stats.at("used") = memActive; + mem.stats.at("available") = Shared::totalMem - memActive - memWire; + mem.stats.at("cached") = cachedMem; + mem.stats.at("free") = Shared::totalMem - memActive - memWire; + + if (show_swap) { + int total = uvmexp.swpages * Shared::pageSize; + mem.stats.at("swap_total") = total; + int swapped = uvmexp.swpgonly * Shared::pageSize; + mem.stats.at("swap_used") = swapped; + mem.stats.at("swap_free") = total - swapped; + } + + if (show_swap and mem.stats.at("swap_total") > 0) { + for (const auto &name : swap_names) { + mem.percent.at(name).push_back(round((double)mem.stats.at(name) * 100 / mem.stats.at("swap_total"))); + while (cmp_greater(mem.percent.at(name).size(), width * 2)) + mem.percent.at(name).pop_front(); + } + has_swap = true; + } else + has_swap = false; + //? Calculate percentages + for (const auto &name : mem_names) { + mem.percent.at(name).push_back(round((double)mem.stats.at(name) * 100 / Shared::totalMem)); + while (cmp_greater(mem.percent.at(name).size(), width * 2)) + mem.percent.at(name).pop_front(); + } + + if (show_disks) { + std::unordered_map<string, string> mapping; // keep mapping from device -> mountpoint, since IOKit doesn't give us the mountpoint + double uptime = system_uptime(); + auto &disks_filter = Config::getS("disks_filter"); + bool filter_exclude = false; + // auto only_physical = Config::getB("only_physical"); + auto &disks = mem.disks; + vector<string> filter; + if (not disks_filter.empty()) { + filter = ssplit(disks_filter); + if (filter.at(0).starts_with("exclude=")) { + filter_exclude = true; + filter.at(0) = filter.at(0).substr(8); + } + } + + struct statfs *stfs; + int count = getmntinfo(&stfs, MNT_WAIT); + vector<string> found; + found.reserve(last_found.size()); + for (int i = 0; i < count; i++) { + auto fstype = string(stfs[i].f_fstypename); + if (fstype == "autofs" || fstype == "devfs" || fstype == "linprocfs" || fstype == "procfs" || fstype == "tmpfs" || fstype == "linsysfs" || + fstype == "fdesckfs") { + // in memory filesystems -> not useful to show + continue; + } + + std::error_code ec; + string mountpoint = stfs[i].f_mntonname; + string dev = stfs[i].f_mntfromname; + mapping[dev] = mountpoint; + + //? Match filter if not empty + if (not filter.empty()) { + bool match = v_contains(filter, mountpoint); + if ((filter_exclude and match) or (not filter_exclude and not match)) + continue; + } + + found.push_back(mountpoint); + if (not disks.contains(mountpoint)) { + disks[mountpoint] = disk_info{fs::canonical(dev, ec), fs::path(mountpoint).filename()}; + + if (disks.at(mountpoint).dev.empty()) + disks.at(mountpoint).dev = dev; + + if (disks.at(mountpoint).name.empty()) + disks.at(mountpoint).name = (mountpoint == "/" ? "root" : mountpoint); + } + + + if (not v_contains(last_found, mountpoint)) + redraw = true; + + disks.at(mountpoint).free = stfs[i].f_bfree; + disks.at(mountpoint).total = stfs[i].f_iosize; + } + + //? Remove disks no longer mounted or filtered out + if (swap_disk and has_swap) found.push_back("swap"); + for (auto it = disks.begin(); it != disks.end();) { + if (not v_contains(found, it->first)) + it = disks.erase(it); + else + it++; + } + if (found.size() != last_found.size()) redraw = true; + last_found = std::move(found); + + //? Get disk/partition stats + for (auto &[mountpoint, disk] : disks) { + if (std::error_code ec; not fs::exists(mountpoint, ec)) + continue; + struct statvfs vfs; + if (statvfs(mountpoint.c_str(), &vfs) < 0) { + Logger::warning("Failed to get disk/partition stats with statvfs() for: " + mountpoint); + continue; + } + disk.total = vfs.f_blocks * vfs.f_frsize; + disk.free = vfs.f_bfree * vfs.f_frsize; + disk.used = disk.total - disk.free; + disk.used_percent = round((double)disk.used * 100 / disk.total); + disk.free_percent = 100 - disk.used_percent; + } + + //? Setup disks order in UI and add swap if enabled + mem.disks_order.clear(); + if (snapped and disks.contains("/mnt")) + mem.disks_order.push_back("/mnt"); + else if (disks.contains("/")) + mem.disks_order.push_back("/"); + if (swap_disk and has_swap) { + mem.disks_order.push_back("swap"); + if (not disks.contains("swap")) + disks["swap"] = {"", "swap"}; + disks.at("swap").total = mem.stats.at("swap_total"); + disks.at("swap").used = mem.stats.at("swap_used"); + disks.at("swap").free = mem.stats.at("swap_free"); + disks.at("swap").used_percent = mem.percent.at("swap_used").back(); + disks.at("swap").free_percent = mem.percent.at("swap_free").back(); + } + for (const auto &name : last_found) + if (not is_in(name, "/", "swap", "/dev")) + mem.disks_order.push_back(name); + + disk_ios = 0; + collect_disk(disks, mapping); + + old_uptime = uptime; + } + return mem; + } + +} // namespace Mem + +namespace Net { + std::unordered_map<string, net_info> current_net; + net_info empty_net = {}; + vector<string> interfaces; + string selected_iface; + int errors = 0; + std::unordered_map<string, uint64_t> graph_max = {{"download", {}}, {"upload", {}}}; + std::unordered_map<string, array<int, 2>> max_count = {{"download", {}}, {"upload", {}}}; + bool rescale = true; + uint64_t timestamp = 0; + + //* RAII wrapper for getifaddrs + class getifaddr_wrapper { + struct ifaddrs *ifaddr; + + public: + int status; + getifaddr_wrapper() { status = getifaddrs(&ifaddr); } + ~getifaddr_wrapper() { freeifaddrs(ifaddr); } + auto operator()() -> struct ifaddrs * { return ifaddr; } + }; + + auto collect(bool no_update) -> net_info & { + auto &net = current_net; + auto &config_iface = Config::getS("net_iface"); + auto net_sync = Config::getB("net_sync"); + auto net_auto = Config::getB("net_auto"); + auto new_timestamp = time_ms(); + + if (not no_update and errors < 3) { + //? Get interface list using getifaddrs() wrapper + getifaddr_wrapper if_wrap{}; + if (if_wrap.status != 0) { + errors++; + Logger::error("Net::collect() -> getifaddrs() failed with id " + to_string(if_wrap.status)); + redraw = true; + return empty_net; + } + int family = 0; + static_assert(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN); // 46 >= 16, compile-time assurance. + enum { IPBUFFER_MAXSIZE = INET6_ADDRSTRLEN }; // manually using the known biggest value, guarded by the above static_assert + char ip[IPBUFFER_MAXSIZE]; + interfaces.clear(); + string ipv4, ipv6; + + //? Iteration over all items in getifaddrs() list + for (auto *ifa = if_wrap(); ifa != nullptr; ifa = ifa->ifa_next) { + if (ifa->ifa_addr == nullptr) continue; + family = ifa->ifa_addr->sa_family; + const auto &iface = ifa->ifa_name; + //? Update available interfaces vector and get status of interface + if (not v_contains(interfaces, iface)) { + interfaces.push_back(iface); + net[iface].connected = (ifa->ifa_flags & IFF_RUNNING); + + // An interface can have more than one IP of the same family associated with it, + // but we pick only the first one to show in the NET box. + // Note: Interfaces without any IPv4 and IPv6 set are still valid and monitorable! + net[iface].ipv4.clear(); + net[iface].ipv6.clear(); + } + //? Get IPv4 address + if (family == AF_INET) { + if (net[iface].ipv4.empty()) { + if (nullptr != inet_ntop(family, &(reinterpret_cast<struct sockaddr_in*>(ifa->ifa_addr)->sin_addr), ip, IPBUFFER_MAXSIZE)) { + + net[iface].ipv4 = ip; + } else { + int errsv = errno; + Logger::error("Net::collect() -> Failed to convert IPv4 to string for iface " + string(iface) + ", errno: " + strerror(errsv)); + } + } + } + //? Get IPv6 address + else if (family == AF_INET6) { + if (net[iface].ipv6.empty()) { + if (nullptr != inet_ntop(family, &(reinterpret_cast<struct sockaddr_in6*>(ifa->ifa_addr)->sin6_addr), ip, IPBUFFER_MAXSIZE)) { + net[iface].ipv6 = ip; + } else { + int errsv = errno; + Logger::error("Net::collect() -> Failed to convert IPv6 to string for iface " + string(iface) + ", errno: " + strerror(errsv)); + } + } + } //else, ignoring family==AF_LINK (see man 3 getifaddrs) + } + + std::unordered_map<string, std::tuple<uint64_t, uint64_t>> ifstats; + int mib[] = {CTL_NET, PF_ROUTE, 0, 0, NET_RT_IFLIST, 0}; + size_t len; + if (sysctl(mib, 6, nullptr, &len, nullptr, 0) < 0) { + Logger::error("failed getting network interfaces"); + } else { + std::unique_ptr<char[]> buf(new char[len]); + if (sysctl(mib, 6, buf.get(), &len, nullptr, 0) < 0) { + Logger::error("failed getting network interfaces"); + } else { + char *lim = buf.get() + len; + char *next = nullptr; + for (next = buf.get(); next < lim;) { + struct if_msghdr *ifm = (struct if_msghdr *)next; + next += ifm->ifm_msglen; + struct if_data ifm_data = ifm->ifm_data; + if (ifm->ifm_addrs & RTA_IFP) { + struct sockaddr_dl *sdl = (struct sockaddr_dl *)(ifm + 1); + char iface[32]; + strncpy(iface, sdl->sdl_data, sdl->sdl_nlen); + iface[sdl->sdl_nlen] = 0; + ifstats[iface] = std::tuple(ifm_data.ifi_ibytes, ifm_data.ifi_obytes); + } + } + } + } + + //? Get total recieved and transmitted bytes + device address if no ip was found + for (const auto &iface : interfaces) { + for (const string dir : {"download", "upload"}) { + auto &saved_stat = net.at(iface).stat.at(dir); + auto &bandwidth = net.at(iface).bandwidth.at(dir); + uint64_t val = dir == "download" ? std::get<0>(ifstats[iface]) : std::get<1>(ifstats[iface]); + + //? Update speed, total and top values + if (val < saved_stat.last) { + saved_stat.rollover += saved_stat.last; + saved_stat.last = 0; + } + if (cmp_greater((unsigned long long)saved_stat.rollover + (unsigned long long)val, numeric_limits<uint64_t>::max())) { + saved_stat.rollover = 0; + saved_stat.last = 0; + } + saved_stat.speed = round((double)(val - saved_stat.last) / ((double)(new_timestamp - timestamp) / 1000)); + if (saved_stat.speed > saved_stat.top) saved_stat.top = saved_stat.speed; + if (saved_stat.offset > val + saved_stat.rollover) saved_stat.offset = 0; + saved_stat.total = (val + saved_stat.rollover) - saved_stat.offset; + saved_stat.last = val; + + //? Add values to graph + bandwidth.push_back(saved_stat.speed); + while (cmp_greater(bandwidth.size(), width * 2)) bandwidth.pop_front(); + + //? Set counters for auto scaling + if (net_auto and selected_iface == iface) { + if (saved_stat.speed > graph_max[dir]) { + ++max_count[dir][0]; + if (max_count[dir][1] > 0) --max_count[dir][1]; + } else if (graph_max[dir] > 10 << 10 and saved_stat.speed < graph_max[dir] / 10) { + ++max_count[dir][1]; + if (max_count[dir][0] > 0) --max_count[dir][0]; + } + } + } + } + + //? Clean up net map if needed + if (net.size() > interfaces.size()) { + for (auto it = net.begin(); it != net.end();) { + if (not v_contains(interfaces, it->first)) + it = net.erase(it); + else + it++; + } + } + + timestamp = new_timestamp; + } + //? Return empty net_info struct if no interfaces was found + if (net.empty()) + return empty_net; + + //? Find an interface to display if selected isn't set or valid + if (selected_iface.empty() or not v_contains(interfaces, selected_iface)) { + max_count["download"][0] = max_count["download"][1] = max_count["upload"][0] = max_count["upload"][1] = 0; + redraw = true; + if (net_auto) rescale = true; + if (not config_iface.empty() and v_contains(interfaces, config_iface)) + selected_iface = config_iface; + else { + //? Sort interfaces by total upload + download bytes + auto sorted_interfaces = interfaces; + rng::sort(sorted_interfaces, [&](const auto &a, const auto &b) { + return cmp_greater(net.at(a).stat["download"].total + net.at(a).stat["upload"].total, + net.at(b).stat["download"].total + net.at(b).stat["upload"].total); + }); + selected_iface.clear(); + //? Try to set to a connected interface + for (const auto &iface : sorted_interfaces) { + if (net.at(iface).connected) selected_iface = iface; + break; + } + //? If no interface is connected set to first available + if (selected_iface.empty() and not sorted_interfaces.empty()) + selected_iface = sorted_interfaces.at(0); + else if (sorted_interfaces.empty()) + return empty_net; + } + } + + //? Calculate max scale for graphs if needed + if (net_auto) { + bool sync = false; + for (const auto &dir : {"download", "upload"}) { + for (const auto &sel : {0, 1}) { + if (rescale or max_count[dir][sel] >= 5) { + const long long avg_speed = (net[selected_iface].bandwidth[dir].size() > 5 + ? std::accumulate(net.at(selected_iface).bandwidth.at(dir).rbegin(), net.at(selected_iface).bandwidth.at(dir).rbegin() + 5, 0ll) / 5 + : net[selected_iface].stat[dir].speed); + graph_max[dir] = max(uint64_t(avg_speed * (sel == 0 ? 1.3 : 3.0)), (uint64_t)10 << 10); + max_count[dir][0] = max_count[dir][1] = 0; + redraw = true; + if (net_sync) sync = true; + break; + } + } + //? Sync download/upload graphs if enabled + if (sync) { + const auto other = (string(dir) == "upload" ? "download" : "upload"); + graph_max[other] = graph_max[dir]; + max_count[other][0] = max_count[other][1] = 0; + break; + } + } + } + + rescale = false; + return net.at(selected_iface); + } +} // namespace Net + +namespace Proc { + + vector<proc_info> current_procs; + std::unordered_map<string, string> uid_user; + string current_sort; + string current_filter; + bool current_rev = false; + + fs::file_time_type passwd_time; + + uint64_t cputimes; + int collapse = -1, expand = -1; + uint64_t old_cputimes = 0; + atomic<int> numpids = 0; + int filter_found = 0; + + detail_container detailed; + + string get_status(char s) { + if (s & SRUN) return "Running"; + if (s & SSLEEP) return "Sleeping"; + if (s & SIDL) return "Idle"; + if (s & SSTOP) return "Stopped"; + if (s & SZOMB) return "Zombie"; + return "Unknown"; + } + + //* Get detailed info for selected process + void _collect_details(const size_t pid, vector<proc_info> &procs) { + if (pid != detailed.last_pid) { + detailed = {}; + detailed.last_pid = pid; + detailed.skip_smaps = not Config::getB("proc_info_smaps"); + } + + //? Copy proc_info for process from proc vector + auto p_info = rng::find(procs, pid, &proc_info::pid); + detailed.entry = *p_info; + + //? Update cpu percent deque for process cpu graph + if (not Config::getB("proc_per_core")) detailed.entry.cpu_p *= Shared::coreCount; + detailed.cpu_percent.push_back(clamp((long long)round(detailed.entry.cpu_p), 0ll, 100ll)); + while (cmp_greater(detailed.cpu_percent.size(), width)) detailed.cpu_percent.pop_front(); + + //? Process runtime : current time - start time (both in unix time - seconds since epoch) + struct timeval currentTime; + gettimeofday(¤tTime, nullptr); + detailed.elapsed = sec_to_dhms(currentTime.tv_sec - detailed.entry.cpu_s); // only interested in second granularity, so ignoring tc_usec + if (detailed.elapsed.size() > 8) detailed.elapsed.resize(detailed.elapsed.size() - 3); + + //? Get parent process name + if (detailed.parent.empty()) { + auto p_entry = rng::find(procs, detailed.entry.ppid, &proc_info::pid); + if (p_entry != procs.end()) detailed.parent = p_entry->name; + } + + //? Expand process status from single char to explanative string + detailed.status = get_status(detailed.entry.state); + + detailed.mem_bytes.push_back(detailed.entry.mem); + detailed.memory = floating_humanizer(detailed.entry.mem); |