htop/freebsd/Platform.h

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#ifndef HEADER_Platform
#define HEADER_Platform
/*
htop - freebsd/Platform.h
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(C) 2014 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
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in the source distribution for its full text.
*/
#include <stdbool.h>
#include <sys/types.h>
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#include "Action.h"
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#include "BatteryMeter.h"
#include "DiskIOMeter.h"
#include "Hashtable.h"
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#include "Meter.h"
#include "NetworkIOMeter.h"
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#include "Process.h"
#include "ProcessLocksScreen.h"
#include "SignalsPanel.h"
#include "CommandLine.h"
#include "generic/gettime.h"
#include "generic/hostname.h"
#include "generic/uname.h"
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extern const ProcessField Platform_defaultFields[];
extern const SignalItem Platform_signals[];
extern const unsigned int Platform_numberOfSignals;
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extern const MeterClass* const Platform_meterTypes[];
bool Platform_init(void);
void Platform_done(void);
void Platform_setBindings(Htop_Action* keys);
int Platform_getUptime(void);
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void Platform_getLoadAverage(double* one, double* five, double* fifteen);
int Platform_getMaxPid(void);
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double Platform_setCPUValues(Meter* this, unsigned int cpu);
void Platform_setMemoryValues(Meter* this);
void Platform_setSwapValues(Meter* this);
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void Platform_setZfsArcValues(Meter* this);
void Platform_setZfsCompressedArcValues(Meter* this);
char* Platform_getProcessEnv(pid_t pid);
char* Platform_getInodeFilename(pid_t pid, ino_t inode);
FileLocks_ProcessData* Platform_getProcessLocks(pid_t pid);
bool Platform_getDiskIO(DiskIOData* data);
bool Platform_getNetworkIO(NetworkIOData* data);
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void Platform_getBattery(double* percent, ACPresence* isOnAC);
static inline void Platform_getHostname(char* buffer, size_t size) {
Generic_hostname(buffer, size);
}
static inline void Platform_getRelease(char** string) {
*string = Generic_uname();
}
#define PLATFORM_LONG_OPTIONS
static inline void Platform_longOptionsUsage(ATTR_UNUSED const char* name) { }
static inline CommandLineStatus Platform_getLongOption(ATTR_UNUSED int opt, ATTR_UNUSED int argc, ATTR_UNUSED char** argv) {
return STATUS_ERROR_EXIT;
}
static inline void Platform_gettime_realtime(struct timeval* tv, uint64_t* msec) {
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Generic_gettime_realtime(tv, msec);
}
static inline void Platform_gettime_monotonic(uint64_t* msec) {
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Generic_gettime_monotonic(msec);
}
static inline Hashtable* Platform_dynamicMeters(void) { return NULL; }
Add a new DynamicMeter class for runtime Meter extension This commit is based on exploratory work by Sohaib Mohamed. The end goal is two-fold - to support addition of Meters we build via configuration files for both the PCP platform and for scripts ( https://github.com/htop-dev/htop/issues/526 ) Here, we focus on generic code and the PCP support. A new class DynamicMeter is introduced - it uses the special case 'param' field handling that previously was used only by the CPUMeter, such that every runtime-configured Meter is given a unique identifier. Unlike with the CPUMeter this is used internally only. When reading/writing to htoprc instead of CPU(N) - where N is an integer param (CPU number) - we use the string name for each meter. For example, if we have a configuration for a DynamicMeter for some Redis metrics, we might read and write "Dynamic(redis)". This identifier is subsequently matched (back) up to the configuration file so we're able to re-create arbitrary user configurations. The PCP platform configuration file format is fairly simple. We expand configs from several directories, including the users homedir alongside htoprc (below htop/meters/) and also /etc/pcp/htop/meters. The format will be described via a new pcp-htop(5) man page, but its basically ini-style and each Meter has one or more metric expressions associated, as well as specifications for labels, color and so on via a dot separated notation for individual metrics within the Meter. A few initial sample configuration files are provided below ./pcp/meters that give the general idea. The PCP "derived" metric specification - see pmRegisterDerived(3) - is used as the syntax for specifying metrics in PCP DynamicMeters.
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static inline void Platform_dynamicMetersDone(ATTR_UNUSED Hashtable* table) { }
Add a new DynamicMeter class for runtime Meter extension This commit is based on exploratory work by Sohaib Mohamed. The end goal is two-fold - to support addition of Meters we build via configuration files for both the PCP platform and for scripts ( https://github.com/htop-dev/htop/issues/526 ) Here, we focus on generic code and the PCP support. A new class DynamicMeter is introduced - it uses the special case 'param' field handling that previously was used only by the CPUMeter, such that every runtime-configured Meter is given a unique identifier. Unlike with the CPUMeter this is used internally only. When reading/writing to htoprc instead of CPU(N) - where N is an integer param (CPU number) - we use the string name for each meter. For example, if we have a configuration for a DynamicMeter for some Redis metrics, we might read and write "Dynamic(redis)". This identifier is subsequently matched (back) up to the configuration file so we're able to re-create arbitrary user configurations. The PCP platform configuration file format is fairly simple. We expand configs from several directories, including the users homedir alongside htoprc (below htop/meters/) and also /etc/pcp/htop/meters. The format will be described via a new pcp-htop(5) man page, but its basically ini-style and each Meter has one or more metric expressions associated, as well as specifications for labels, color and so on via a dot separated notation for individual metrics within the Meter. A few initial sample configuration files are provided below ./pcp/meters that give the general idea. The PCP "derived" metric specification - see pmRegisterDerived(3) - is used as the syntax for specifying metrics in PCP DynamicMeters.
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static inline void Platform_dynamicMeterInit(ATTR_UNUSED Meter* meter) { }
static inline void Platform_dynamicMeterUpdateValues(ATTR_UNUSED Meter* meter) { }
static inline void Platform_dynamicMeterDisplay(ATTR_UNUSED const Meter* meter, ATTR_UNUSED RichString* out) { }
static inline Hashtable* Platform_dynamicColumns(void) { return NULL; }
static inline const char* Platform_dynamicColumnInit(ATTR_UNUSED unsigned int key) { return NULL; }
static inline void Platform_dynamicColumnsDone(ATTR_UNUSED Hashtable* table) { }
static inline bool Platform_dynamicColumnWriteField(ATTR_UNUSED const Process* proc, ATTR_UNUSED RichString* str, ATTR_UNUSED unsigned int key) { return false; }
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#endif