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#include "log_settings.h"
#include <util/stream/str.h>
namespace NActors {
namespace NLog {
TSettings::TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
EComponent minVal, EComponent maxVal, EComponentToStringFunc func,
EPriority defPriority, EPriority defSamplingPriority,
ui32 defSamplingRate, ui64 timeThresholdMs)
: LoggerActorId(loggerActorId)
, LoggerComponent(loggerComponent)
, TimeThresholdMs(timeThresholdMs)
, AllowDrop(true)
, ThrottleDelay(TDuration::MilliSeconds(100))
, MinVal(0)
, MaxVal(0)
, Mask(0)
, DefPriority(defPriority)
, DefSamplingPriority(defSamplingPriority)
, DefSamplingRate(defSamplingRate)
, UseLocalTimestamps(false)
, Format(PLAIN_FULL_FORMAT)
, ShortHostName("")
, ClusterName("")
{
Append(minVal, maxVal, func);
}
TSettings::TSettings(const TActorId& loggerActorId, const EComponent loggerComponent,
EPriority defPriority, EPriority defSamplingPriority,
ui32 defSamplingRate, ui64 timeThresholdMs)
: LoggerActorId(loggerActorId)
, LoggerComponent(loggerComponent)
, TimeThresholdMs(timeThresholdMs)
, AllowDrop(true)
, ThrottleDelay(TDuration::MilliSeconds(100))
, MinVal(0)
, MaxVal(0)
, Mask(0)
, DefPriority(defPriority)
, DefSamplingPriority(defSamplingPriority)
, DefSamplingRate(defSamplingRate)
, UseLocalTimestamps(false)
, Format(PLAIN_FULL_FORMAT)
, ShortHostName("")
, ClusterName("")
{
}
void TSettings::Append(EComponent minVal, EComponent maxVal, EComponentToStringFunc func) {
Y_VERIFY(minVal >= 0, "NLog::TSettings: minVal must be non-negative");
Y_VERIFY(maxVal > minVal, "NLog::TSettings: maxVal must be greater than minVal");
// update bounds
if (!MaxVal || minVal < MinVal) {
MinVal = minVal;
}
if (!MaxVal || maxVal > MaxVal) {
MaxVal = maxVal;
// expand ComponentNames to the new bounds
auto oldMask = Mask;
Mask = PowerOf2Mask(MaxVal);
TArrayHolder<TAtomic> oldComponentInfo(new TAtomic[Mask + 1]);
ComponentInfo.Swap(oldComponentInfo);
int startVal = oldMask ? oldMask + 1 : 0;
for (int i = 0; i < startVal; i++) {
AtomicSet(ComponentInfo[i], AtomicGet(oldComponentInfo[i]));
}
TComponentSettings defSetting(DefPriority, DefSamplingPriority, DefSamplingRate);
for (int i = startVal; i < Mask + 1; i++) {
AtomicSet(ComponentInfo[i], defSetting.Raw.Data);
}
ComponentNames.resize(Mask + 1);
}
// assign new names but validate if newly added members were not used before
for (int i = minVal; i <= maxVal; i++) {
Y_VERIFY(!ComponentNames[i], "component name at %d already set: %s",
i, ComponentNames[i].data());
ComponentNames[i] = func(i);
}
}
int TSettings::SetLevelImpl(
const TString& name, bool isSampling,
EPriority priority, EComponent component, TString& explanation) {
TString titleName(name);
titleName.to_title();
// check priority
if (!IsValidPriority(priority)) {
TStringStream str;
str << "Invalid " << name;
explanation = str.Str();
return 1;
}
if (component == InvalidComponent) {
for (int i = 0; i < Mask + 1; i++) {
TComponentSettings settings = AtomicGet(ComponentInfo[i]);
if (isSampling) {
settings.Raw.X.SamplingLevel = priority;
} else {
settings.Raw.X.Level = priority;
}
AtomicSet(ComponentInfo[i], settings.Raw.Data);
}
TStringStream str;
str << titleName
<< " for all components has been changed to "
<< PriorityToString(EPrio(priority));
explanation = str.Str();
return 0;
} else {
if (!IsValidComponent(component)) {
explanation = "Invalid component";
return 1;
}
TComponentSettings settings = AtomicGet(ComponentInfo[component]);
EPriority oldPriority;
if (isSampling) {
oldPriority = (EPriority)settings.Raw.X.SamplingLevel;
settings.Raw.X.SamplingLevel = priority;
} else {
oldPriority = (EPriority)settings.Raw.X.Level;
settings.Raw.X.Level = priority;
}
AtomicSet(ComponentInfo[component], settings.Raw.Data);
TStringStream str;
str << titleName << " for the component " << ComponentNames[component]
<< " has been changed from " << PriorityToString(EPrio(oldPriority))
<< " to " << PriorityToString(EPrio(priority));
explanation = str.Str();
return 0;
}
}
int TSettings::SetLevel(EPriority priority, EComponent component, TString& explanation) {
return SetLevelImpl("priority", false,
priority, component, explanation);
}
int TSettings::SetSamplingLevel(EPriority priority, EComponent component, TString& explanation) {
return SetLevelImpl("sampling priority", true,
priority, component, explanation);
}
int TSettings::SetSamplingRate(ui32 sampling, EComponent component, TString& explanation) {
if (component == InvalidComponent) {
for (int i = 0; i < Mask + 1; i++) {
TComponentSettings settings = AtomicGet(ComponentInfo[i]);
settings.Raw.X.SamplingRate = sampling;
AtomicSet(ComponentInfo[i], settings.Raw.Data);
}
TStringStream str;
str << "Sampling rate for all components has been changed to " << sampling;
explanation = str.Str();
} else {
if (!IsValidComponent(component)) {
explanation = "Invalid component";
return 1;
}
TComponentSettings settings = AtomicGet(ComponentInfo[component]);
ui32 oldSampling = settings.Raw.X.SamplingRate;
settings.Raw.X.SamplingRate = sampling;
AtomicSet(ComponentInfo[component], settings.Raw.Data);
TStringStream str;
str << "Sampling rate for the component " << ComponentNames[component]
<< " has been changed from " << oldSampling
<< " to " << sampling;
explanation = str.Str();
}
return 0;
}
int TSettings::PowerOf2Mask(int val) {
int mask = 1;
while ((val & mask) != val) {
mask <<= 1;
mask |= 1;
}
return mask;
}
bool TSettings::IsValidPriority(EPriority priority) {
return priority == PRI_EMERG || priority == PRI_ALERT ||
priority == PRI_CRIT || priority == PRI_ERROR ||
priority == PRI_WARN || priority == PRI_NOTICE ||
priority == PRI_INFO || priority == PRI_DEBUG || priority == PRI_TRACE;
}
bool TSettings::IsValidComponent(EComponent component) {
return (MinVal <= component) && (component <= MaxVal) && !ComponentNames[component].empty();
}
void TSettings::SetAllowDrop(bool val) {
AllowDrop = val;
}
void TSettings::SetThrottleDelay(TDuration value) {
ThrottleDelay = value;
}
void TSettings::SetUseLocalTimestamps(bool value) {
UseLocalTimestamps = value;
}
EComponent TSettings::FindComponent(const TStringBuf& componentName) const {
if (componentName.empty())
return InvalidComponent;
for (EComponent component = MinVal; component <= MaxVal; ++component) {
if (ComponentNames[component] == componentName)
return component;
}
return InvalidComponent;
}
}
}
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