diff options
Diffstat (limited to 'netbsd/Platform.c')
| -rw-r--r-- | netbsd/Platform.c | 509 |
1 files changed, 509 insertions, 0 deletions
diff --git a/netbsd/Platform.c b/netbsd/Platform.c new file mode 100644 index 0000000..ad6050c --- /dev/null +++ b/netbsd/Platform.c @@ -0,0 +1,509 @@ +/* +htop - netbsd/Platform.c +(C) 2014 Hisham H. Muhammad +(C) 2015 Michael McConville +(C) 2021 Santhosh Raju +(C) 2021 Nia Alarie +(C) 2021 htop dev team +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ + +#include "netbsd/Platform.h" + +#include <errno.h> +#include <fcntl.h> +#include <ifaddrs.h> +#include <paths.h> +#include <unistd.h> +#include <kvm.h> +#include <limits.h> +#include <math.h> +#include <stdbool.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <net/if.h> +#include <prop/proplib.h> +#include <sys/envsys.h> +#include <sys/iostat.h> +#include <sys/param.h> +#include <sys/resource.h> +#include <sys/socket.h> +#include <sys/sysctl.h> +#include <sys/time.h> +#include <sys/types.h> + +#include "CPUMeter.h" +#include "ClockMeter.h" +#include "DateMeter.h" +#include "DateTimeMeter.h" +#include "HostnameMeter.h" +#include "LoadAverageMeter.h" +#include "Macros.h" +#include "MemoryMeter.h" +#include "MemorySwapMeter.h" +#include "Meter.h" +#include "ProcessList.h" +#include "Settings.h" +#include "SignalsPanel.h" +#include "SwapMeter.h" +#include "SysArchMeter.h" +#include "TasksMeter.h" +#include "UptimeMeter.h" +#include "XUtils.h" +#include "netbsd/NetBSDProcess.h" +#include "netbsd/NetBSDProcessList.h" + +/* + * The older proplib APIs will be deprecated in NetBSD 10, but we still + * want to support the 9.x stable branch. + * + * Create aliases for the newer functions that are missing from 9.x. + */ +#if !__NetBSD_Prereq__(9,99,65) +#define prop_string_equals_string prop_string_equals_cstring +#define prop_number_signed_value prop_number_integer_value +#endif + +const ScreenDefaults Platform_defaultScreens[] = { + { + .name = "Main", + .columns = "PID USER PRIORITY NICE M_VIRT M_RESIDENT STATE PERCENT_CPU PERCENT_MEM TIME Command", + .sortKey = "PERCENT_CPU", + }, +}; + +const unsigned int Platform_numberOfDefaultScreens = ARRAYSIZE(Platform_defaultScreens); + +/* + * See /usr/include/sys/signal.h + */ +const SignalItem Platform_signals[] = { + { .name = " 0 Cancel", .number = 0 }, + { .name = " 1 SIGHUP", .number = 1 }, + { .name = " 2 SIGINT", .number = 2 }, + { .name = " 3 SIGQUIT", .number = 3 }, + { .name = " 4 SIGILL", .number = 4 }, + { .name = " 5 SIGTRAP", .number = 5 }, + { .name = " 6 SIGABRT", .number = 6 }, + { .name = " 6 SIGIOT", .number = 6 }, + { .name = " 7 SIGEMT", .number = 7 }, + { .name = " 8 SIGFPE", .number = 8 }, + { .name = " 9 SIGKILL", .number = 9 }, + { .name = "10 SIGBUS", .number = 10 }, + { .name = "11 SIGSEGV", .number = 11 }, + { .name = "12 SIGSYS", .number = 12 }, + { .name = "13 SIGPIPE", .number = 13 }, + { .name = "14 SIGALRM", .number = 14 }, + { .name = "15 SIGTERM", .number = 15 }, + { .name = "16 SIGURG", .number = 16 }, + { .name = "17 SIGSTOP", .number = 17 }, + { .name = "18 SIGTSTP", .number = 18 }, + { .name = "19 SIGCONT", .number = 19 }, + { .name = "20 SIGCHLD", .number = 20 }, + { .name = "21 SIGTTIN", .number = 21 }, + { .name = "22 SIGTTOU", .number = 22 }, + { .name = "23 SIGIO", .number = 23 }, + { .name = "24 SIGXCPU", .number = 24 }, + { .name = "25 SIGXFSZ", .number = 25 }, + { .name = "26 SIGVTALRM", .number = 26 }, + { .name = "27 SIGPROF", .number = 27 }, + { .name = "28 SIGWINCH", .number = 28 }, + { .name = "29 SIGINFO", .number = 29 }, + { .name = "30 SIGUSR1", .number = 30 }, + { .name = "31 SIGUSR2", .number = 31 }, + { .name = "32 SIGPWR", .number = 32 }, + { .name = "33 SIGRTMIN", .number = 33 }, + { .name = "34 SIGRTMIN+1", .number = 34 }, + { .name = "35 SIGRTMIN+2", .number = 35 }, + { .name = "36 SIGRTMIN+3", .number = 36 }, + { .name = "37 SIGRTMIN+4", .number = 37 }, + { .name = "38 SIGRTMIN+5", .number = 38 }, + { .name = "39 SIGRTMIN+6", .number = 39 }, + { .name = "40 SIGRTMIN+7", .number = 40 }, + { .name = "41 SIGRTMIN+8", .number = 41 }, + { .name = "42 SIGRTMIN+9", .number = 42 }, + { .name = "43 SIGRTMIN+10", .number = 43 }, + { .name = "44 SIGRTMIN+11", .number = 44 }, + { .name = "45 SIGRTMIN+12", .number = 45 }, + { .name = "46 SIGRTMIN+13", .number = 46 }, + { .name = "47 SIGRTMIN+14", .number = 47 }, + { .name = "48 SIGRTMIN+15", .number = 48 }, + { .name = "49 SIGRTMIN+16", .number = 49 }, + { .name = "50 SIGRTMIN+17", .number = 50 }, + { .name = "51 SIGRTMIN+18", .number = 51 }, + { .name = "52 SIGRTMIN+19", .number = 52 }, + { .name = "53 SIGRTMIN+20", .number = 53 }, + { .name = "54 SIGRTMIN+21", .number = 54 }, + { .name = "55 SIGRTMIN+22", .number = 55 }, + { .name = "56 SIGRTMIN+23", .number = 56 }, + { .name = "57 SIGRTMIN+24", .number = 57 }, + { .name = "58 SIGRTMIN+25", .number = 58 }, + { .name = "59 SIGRTMIN+26", .number = 59 }, + { .name = "60 SIGRTMIN+27", .number = 60 }, + { .name = "61 SIGRTMIN+28", .number = 61 }, + { .name = "62 SIGRTMIN+29", .number = 62 }, + { .name = "63 SIGRTMAX", .number = 63 }, +}; + +const unsigned int Platform_numberOfSignals = ARRAYSIZE(Platform_signals); + +const MeterClass* const Platform_meterTypes[] = { + &CPUMeter_class, + &ClockMeter_class, + &DateMeter_class, + &DateTimeMeter_class, + &LoadAverageMeter_class, + &LoadMeter_class, + &MemoryMeter_class, + &SwapMeter_class, + &MemorySwapMeter_class, + &TasksMeter_class, + &UptimeMeter_class, + &BatteryMeter_class, + &HostnameMeter_class, + &SysArchMeter_class, + &AllCPUsMeter_class, + &AllCPUs2Meter_class, + &AllCPUs4Meter_class, + &AllCPUs8Meter_class, + &LeftCPUsMeter_class, + &RightCPUsMeter_class, + &LeftCPUs2Meter_class, + &RightCPUs2Meter_class, + &LeftCPUs4Meter_class, + &RightCPUs4Meter_class, + &LeftCPUs8Meter_class, + &RightCPUs8Meter_class, + &BlankMeter_class, + &DiskIOMeter_class, + &NetworkIOMeter_class, + NULL +}; + +bool Platform_init(void) { + /* no platform-specific setup needed */ + return true; +} + +void Platform_done(void) { + /* no platform-specific cleanup needed */ +} + +void Platform_setBindings(Htop_Action* keys) { + /* no platform-specific key bindings */ + (void) keys; +} + +int Platform_getUptime(void) { + struct timeval bootTime, currTime; + const int mib[2] = { CTL_KERN, KERN_BOOTTIME }; + size_t size = sizeof(bootTime); + + int err = sysctl(mib, 2, &bootTime, &size, NULL, 0); + if (err) { + return -1; + } + gettimeofday(&currTime, NULL); + + return (int) difftime(currTime.tv_sec, bootTime.tv_sec); +} + +void Platform_getLoadAverage(double* one, double* five, double* fifteen) { + struct loadavg loadAverage; + const int mib[2] = { CTL_VM, VM_LOADAVG }; + size_t size = sizeof(loadAverage); + + int err = sysctl(mib, 2, &loadAverage, &size, NULL, 0); + if (err) { + *one = 0; + *five = 0; + *fifteen = 0; + return; + } + *one = (double) loadAverage.ldavg[0] / loadAverage.fscale; + *five = (double) loadAverage.ldavg[1] / loadAverage.fscale; + *fifteen = (double) loadAverage.ldavg[2] / loadAverage.fscale; +} + +int Platform_getMaxPid(void) { + // https://nxr.netbsd.org/xref/src/sys/sys/ansi.h#__pid_t + // pid is assigned as a 32bit Integer. + return INT32_MAX; +} + +double Platform_setCPUValues(Meter* this, int cpu) { + const NetBSDProcessList* npl = (const NetBSDProcessList*) this->pl; + const CPUData* cpuData = &npl->cpuData[cpu]; + double total = cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod; + double totalPercent; + double* v = this->values; + + v[CPU_METER_NICE] = cpuData->nicePeriod / total * 100.0; + v[CPU_METER_NORMAL] = cpuData->userPeriod / total * 100.0; + if (this->pl->settings->detailedCPUTime) { + v[CPU_METER_KERNEL] = cpuData->sysPeriod / total * 100.0; + v[CPU_METER_IRQ] = cpuData->intrPeriod / total * 100.0; + v[CPU_METER_SOFTIRQ] = 0.0; + v[CPU_METER_STEAL] = 0.0; + v[CPU_METER_GUEST] = 0.0; + v[CPU_METER_IOWAIT] = 0.0; + v[CPU_METER_FREQUENCY] = NAN; + this->curItems = 8; + totalPercent = v[0] + v[1] + v[2] + v[3]; + } else { + v[2] = cpuData->sysAllPeriod / total * 100.0; + v[3] = 0.0; // No steal nor guest on NetBSD + totalPercent = v[0] + v[1] + v[2]; + this->curItems = 4; + } + + totalPercent = CLAMP(totalPercent, 0.0, 100.0); + + v[CPU_METER_FREQUENCY] = cpuData->frequency; + v[CPU_METER_TEMPERATURE] = NAN; + + return totalPercent; +} + +void Platform_setMemoryValues(Meter* this) { + const ProcessList* pl = this->pl; + this->total = pl->totalMem; + this->values[MEMORY_METER_USED] = pl->usedMem; + this->values[MEMORY_METER_BUFFERS] = pl->buffersMem; + // this->values[MEMORY_METER_SHARED] = "shared memory, like tmpfs and shm" + this->values[MEMORY_METER_CACHE] = pl->cachedMem; + // this->values[MEMORY_METER_AVAILABLE] = "available memory" +} + +void Platform_setSwapValues(Meter* this) { + const ProcessList* pl = this->pl; + this->total = pl->totalSwap; + this->values[SWAP_METER_USED] = pl->usedSwap; + this->values[SWAP_METER_CACHE] = NAN; +} + +char* Platform_getProcessEnv(pid_t pid) { + char errbuf[_POSIX2_LINE_MAX]; + char* env; + char** ptr; + int count; + kvm_t* kt; + const struct kinfo_proc2* kproc; + size_t capacity = 4096, size = 0; + + if ((kt = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf)) == NULL) { + return NULL; + } + + if ((kproc = kvm_getproc2(kt, KERN_PROC_PID, pid, sizeof(struct kinfo_proc2), &count)) == NULL) { + (void) kvm_close(kt); + return NULL; + } + + if ((ptr = kvm_getenvv2(kt, kproc, 0)) == NULL) { + (void) kvm_close(kt); + return NULL; + } + + env = xMalloc(capacity); + for (char** p = ptr; *p; p++) { + size_t len = strlen(*p) + 1; + + while (size + len > capacity) { + if (capacity > (SIZE_MAX / 2)) { + free(env); + env = NULL; + goto end; + } + + capacity *= 2; + env = xRealloc(env, capacity); + } + + String_safeStrncpy(env + size, *p, len); + size += len; + } + + if (size < 2 || env[size - 1] || env[size - 2]) { + if (size + 2 < capacity) + env = xRealloc(env, capacity + 2); + env[size] = 0; + env[size + 1] = 0; + } + +end: + (void) kvm_close(kt); + return env; +} + +FileLocks_ProcessData* Platform_getProcessLocks(pid_t pid) { + (void)pid; + return NULL; +} + +bool Platform_getDiskIO(DiskIOData* data) { + const int mib[] = { CTL_HW, HW_IOSTATS, sizeof(struct io_sysctl) }; + struct io_sysctl* iostats = NULL; + size_t size = 0; + + for (int retry = 3; retry > 0; retry--) { + /* get the size of the IO statistic array */ + if (sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0) < 0) + CRT_fatalError("Unable to get size of io_sysctl"); + + if (size == 0) { + free(iostats); + return false; + } + + iostats = xRealloc(iostats, size); + + errno = 0; + + if (sysctl(mib, __arraycount(mib), iostats, &size, NULL, 0) == 0) + break; + + if (errno != ENOMEM) + CRT_fatalError("Unable to get disk IO statistics"); + } + + if (errno == ENOMEM) + CRT_fatalError("Unable to get disk IO statistics"); + + uint64_t bytesReadSum = 0; + uint64_t bytesWriteSum = 0; + uint64_t busyTimeSum = 0; + + for (size_t i = 0, count = size / sizeof(struct io_sysctl); i < count; i++) { + /* ignore NFS activity */ + if (iostats[i].type != IOSTAT_DISK) + continue; + + bytesReadSum += iostats[i].rbytes; + bytesWriteSum += iostats[i].wbytes; + busyTimeSum += iostats[i].busysum_usec; + } + + data->totalBytesRead = bytesReadSum; + data->totalBytesWritten = bytesWriteSum; + data->totalMsTimeSpend = busyTimeSum / 1000; + + free(iostats); + return true; +} + +bool Platform_getNetworkIO(NetworkIOData* data) { + struct ifaddrs* ifaddrs = NULL; + + if (getifaddrs(&ifaddrs) != 0) + return false; + + for (const struct ifaddrs* ifa = ifaddrs; ifa; ifa = ifa->ifa_next) { + if (!ifa->ifa_addr) + continue; + if (ifa->ifa_addr->sa_family != AF_LINK) + continue; + if (ifa->ifa_flags & IFF_LOOPBACK) + continue; + + const struct if_data* ifd = (const struct if_data *)ifa->ifa_data; + + data->bytesReceived += ifd->ifi_ibytes; + data->packetsReceived += ifd->ifi_ipackets; + data->bytesTransmitted += ifd->ifi_obytes; + data->packetsTransmitted += ifd->ifi_opackets; + } + + freeifaddrs(ifaddrs); + return true; +} + +void Platform_getBattery(double* percent, ACPresence* isOnAC) { + prop_dictionary_t dict, fields, props; + prop_object_t device, class; + + intmax_t totalCharge = 0; + intmax_t totalCapacity = 0; + + *percent = NAN; + *isOnAC = AC_ERROR; + + int fd = open(_PATH_SYSMON, O_RDONLY); + if (fd == -1) + goto error; + + if (prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &dict) != 0) + goto error; + + prop_object_iterator_t devIter = prop_dictionary_iterator(dict); + if (devIter == NULL) + goto error; + + while ((device = prop_object_iterator_next(devIter)) != NULL) { + prop_object_t fieldsArray = prop_dictionary_get_keysym(dict, device); + if (fieldsArray == NULL) + goto error; + + prop_object_iterator_t fieldsIter = prop_array_iterator(fieldsArray); + if (fieldsIter == NULL) + goto error; + + bool isACAdapter = false; + bool isBattery = false; + + /* only assume battery is not present if explicitly stated */ + intmax_t isPresent = 1; + intmax_t isConnected = 0; + intmax_t curCharge = 0; + intmax_t maxCharge = 0; + + while ((fields = prop_object_iterator_next(fieldsIter)) != NULL) { + props = prop_dictionary_get(fields, "device-properties"); + if (props != NULL) { + class = prop_dictionary_get(props, "device-class"); + + if (prop_string_equals_string(class, "ac-adapter")) { + isACAdapter = true; + } else if (prop_string_equals_string(class, "battery")) { + isBattery = true; + } + continue; + } + + prop_object_t curValue = prop_dictionary_get(fields, "cur-value"); + prop_object_t maxValue = prop_dictionary_get(fields, "max-value"); + prop_object_t descField = prop_dictionary_get(fields, "description"); + + if (descField == NULL || curValue == NULL) + continue; + + if (prop_string_equals_string(descField, "connected")) { + isConnected = prop_number_signed_value(curValue); + } else if (prop_string_equals_string(descField, "present")) { + isPresent = prop_number_signed_value(curValue); + } else if (prop_string_equals_string(descField, "charge")) { + if (maxValue == NULL) + continue; + curCharge = prop_number_signed_value(curValue); + maxCharge = prop_number_signed_value(maxValue); + } + } + + if (isBattery && isPresent) { + totalCharge += curCharge; + totalCapacity += maxCharge; + } + + if (isACAdapter && *isOnAC != AC_PRESENT) { + *isOnAC = isConnected ? AC_PRESENT : AC_ABSENT; + } + } + + *percent = ((double)totalCharge / (double)totalCapacity) * 100.0; + +error: + if (fd != -1) + close(fd); +} |