diff options
Diffstat (limited to 'openbsd/Platform.c')
| -rw-r--r-- | openbsd/Platform.c | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/openbsd/Platform.c b/openbsd/Platform.c new file mode 100644 index 0000000..a8b5d21 --- /dev/null +++ b/openbsd/Platform.c @@ -0,0 +1,400 @@ +/* +htop - openbsd/Platform.c +(C) 2014 Hisham H. Muhammad +(C) 2015 Michael McConville +Released under the GNU GPLv2+, see the COPYING file +in the source distribution for its full text. +*/ + +#include "config.h" // IWYU pragma: keep + +#include "openbsd/Platform.h" + +#include <errno.h> +#include <kvm.h> +#include <limits.h> +#include <math.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <sys/signal.h> // needs to be included before <sys/proc.h> for 'struct sigaltstack' +#include <sys/proc.h> +#include <sys/resource.h> +#include <sys/sensors.h> +#include <sys/sysctl.h> +#include <sys/time.h> +#include <sys/types.h> +#include <uvm/uvmexp.h> + +#include "CPUMeter.h" +#include "ClockMeter.h" +#include "DateMeter.h" +#include "DateTimeMeter.h" +#include "FileDescriptorMeter.h" +#include "HostnameMeter.h" +#include "LoadAverageMeter.h" +#include "Macros.h" +#include "MemoryMeter.h" +#include "MemorySwapMeter.h" +#include "Meter.h" +#include "Settings.h" +#include "SignalsPanel.h" +#include "SwapMeter.h" +#include "SysArchMeter.h" +#include "TasksMeter.h" +#include "UptimeMeter.h" +#include "XUtils.h" +#include "openbsd/OpenBSDMachine.h" +#include "openbsd/OpenBSDProcess.h" + + +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 SIGTHR", .number = 32 }, +}; + +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, + &FileDescriptorMeter_class, + &BlankMeter_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; +} + +pid_t Platform_getMaxPid(void) { + return 2 * THREAD_PID_OFFSET; +} + +double Platform_setCPUValues(Meter* this, unsigned int cpu) { + const Machine* host = this->host; + const OpenBSDMachine* ohost = (const OpenBSDMachine*) host; + const CPUData* cpuData = &ohost->cpuData[cpu]; + double total; + double totalPercent; + double* v = this->values; + + if (!cpuData->online) { + this->curItems = 0; + return NAN; + } + + total = cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod; + + v[CPU_METER_NICE] = cpuData->nicePeriod / total * 100.0; + v[CPU_METER_NORMAL] = cpuData->userPeriod / total * 100.0; + if (host->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; + } else { + v[CPU_METER_KERNEL] = cpuData->sysAllPeriod / total * 100.0; + v[CPU_METER_IRQ] = 0.0; // No steal nor guest on OpenBSD + this->curItems = 4; + } + totalPercent = v[CPU_METER_NICE] + v[CPU_METER_NORMAL] + v[CPU_METER_KERNEL] + v[CPU_METER_IRQ]; + + totalPercent = CLAMP(totalPercent, 0.0, 100.0); + + v[CPU_METER_TEMPERATURE] = NAN; + + v[CPU_METER_FREQUENCY] = (ohost->cpuSpeed != -1) ? ohost->cpuSpeed : NAN; + + return totalPercent; +} + +void Platform_setMemoryValues(Meter* this) { + const Machine* host = this->host; + long int usedMem = host->usedMem; + long int buffersMem = host->buffersMem; + long int cachedMem = host->cachedMem; + usedMem -= buffersMem + cachedMem; + this->total = host->totalMem; + this->values[MEMORY_METER_USED] = usedMem; + // this->values[MEMORY_METER_SHARED] = "shared memory, like tmpfs and shm" + // this->values[MEMORY_METER_COMPRESSED] = "compressed memory, like zswap on linux" + this->values[MEMORY_METER_BUFFERS] = buffersMem; + this->values[MEMORY_METER_CACHE] = cachedMem; + // this->values[MEMORY_METER_AVAILABLE] = "available memory" +} + +void Platform_setSwapValues(Meter* this) { + const Machine* host = this->host; + this->total = host->totalSwap; + this->values[SWAP_METER_USED] = host->usedSwap; + // this->values[SWAP_METER_CACHE] = "pages that are both in swap and RAM, like SwapCached on linux" + // this->values[SWAP_METER_FRONTSWAP] = "pages that are accounted to swap but stored elsewhere, like frontswap on linux" +} + +char* Platform_getProcessEnv(pid_t pid) { + char errbuf[_POSIX2_LINE_MAX]; + char* env; + char** ptr; + int count; + kvm_t* kt; + struct kinfo_proc* kproc; + size_t capacity = 4096, size = 0; + + if ((kt = kvm_openfiles(NULL, NULL, NULL, KVM_NO_FILES, errbuf)) == NULL) { + return NULL; + } + + if ((kproc = kvm_getprocs(kt, KERN_PROC_PID, pid, + sizeof(struct kinfo_proc), &count)) == NULL) { + (void) kvm_close(kt); + return NULL; + } + + if ((ptr = kvm_getenvv(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); + } + + strlcpy(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; +} + +void Platform_getFileDescriptors(double* used, double* max) { + static const int mib_kern_maxfile[] = { CTL_KERN, KERN_MAXFILES }; + int sysctl_maxfile = 0; + size_t size_maxfile = sizeof(int); + if (sysctl(mib_kern_maxfile, ARRAYSIZE(mib_kern_maxfile), &sysctl_maxfile, &size_maxfile, NULL, 0) < 0) { + *max = NAN; + } else if (size_maxfile != sizeof(int) || sysctl_maxfile < 1) { + *max = NAN; + } else { + *max = sysctl_maxfile; + } + + static const int mib_kern_nfiles[] = { CTL_KERN, KERN_NFILES }; + int sysctl_nfiles = 0; + size_t size_nfiles = sizeof(int); + if (sysctl(mib_kern_nfiles, ARRAYSIZE(mib_kern_nfiles), &sysctl_nfiles, &size_nfiles, NULL, 0) < 0) { + *used = NAN; + } else if (size_nfiles != sizeof(int) || sysctl_nfiles < 0) { + *used = NAN; + } else { + *used = sysctl_nfiles; + } +} + +bool Platform_getDiskIO(DiskIOData* data) { + // TODO + (void)data; + return false; +} + +bool Platform_getNetworkIO(NetworkIOData* data) { + // TODO + (void)data; + return false; +} + +static bool findDevice(const char* name, int* mib, struct sensordev* snsrdev, size_t* sdlen) { + for (int devn = 0;; devn++) { + mib[2] = devn; + if (sysctl(mib, 3, snsrdev, sdlen, NULL, 0) == -1) { + if (errno == ENXIO) + continue; + if (errno == ENOENT) + return false; + } + if (String_eq(name, snsrdev->xname)) { + return true; + } + } +} + +void Platform_getBattery(double* percent, ACPresence* isOnAC) { + int mib[] = {CTL_HW, HW_SENSORS, 0, 0, 0}; + struct sensor s; + size_t slen = sizeof(struct sensor); + struct sensordev snsrdev; + size_t sdlen = sizeof(struct sensordev); + + bool found = findDevice("acpibat0", mib, &snsrdev, &sdlen); + + *percent = NAN; + if (found) { + /* last full capacity */ + mib[3] = 7; + mib[4] = 0; + double last_full_capacity = 0; + if (sysctl(mib, 5, &s, &slen, NULL, 0) != -1) + last_full_capacity = s.value; + if (last_full_capacity > 0) { + /* remaining capacity */ + mib[3] = 7; + mib[4] = 3; + if (sysctl(mib, 5, &s, &slen, NULL, 0) != -1) { + double charge = s.value; + *percent = 100 * (charge / last_full_capacity); + if (charge >= last_full_capacity) { + *percent = 100; + } + } + } + } + + found = findDevice("acpiac0", mib, &snsrdev, &sdlen); + + *isOnAC = AC_ERROR; + if (found) { + mib[3] = 9; + mib[4] = 0; + if (sysctl(mib, 5, &s, &slen, NULL, 0) != -1) + *isOnAC = s.value; + } +} |