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#include "context.h"
#include "log.h"
#include <util/thread/singleton.h>
namespace NYql {
namespace NLog {
namespace {
struct TThrowedLogContext {
TString LocationWithLogContext; // separated with ': '
};
} // namspace
TStringBuf ToStringBuf(EContextKey key) {
switch (key) {
case EContextKey::DateTime:
return "datetime";
case EContextKey::Level:
return "level";
case EContextKey::ProcessName:
return "procname";
case EContextKey::ProcessID:
return "pid";
case EContextKey::ThreadID:
return "tid";
case EContextKey::Component:
return "component";
case EContextKey::FileName:
return "filename";
case EContextKey::Line:
return "line";
case EContextKey::Path:
return "path";
}
}
void OutputLogCtx(IOutputStream* out, bool withBraces, bool skipSessionId) {
const NImpl::TLogContextListItem* ctxList = NImpl::GetLogContextList();
if (ctxList->HasNext()) {
if (withBraces) {
(*out) << '{';
}
// skip header stub element
NImpl::TLogContextListItem* ctxItem = ctxList->Next;
bool isFirst = true;
while (ctxItem != ctxList) {
for (const TString& name: *ctxItem) {
if (!skipSessionId && !name.empty()) {
if (!isFirst) {
(*out) << '/';
}
(*out) << name;
isFirst = false;
}
skipSessionId = false;
}
ctxItem = ctxItem->Next;
}
if (withBraces) {
(*out) << TStringBuf("} ");
}
}
}
NImpl::TLogContextListItem* NImpl::GetLogContextList() {
return FastTlsSingleton<NImpl::TLogContextListItem>();
}
std::pair<TString, TString> CurrentLogContextPath() {
TString sessionId;
const NImpl::TLogContextListItem* possibleRootLogCtx = NImpl::GetLogContextList()->Next;
if (auto rootLogCtx = dynamic_cast<const NImpl::TLogContextSessionItem*>(possibleRootLogCtx)) {
if (rootLogCtx->HasSessionId()) {
sessionId = (*rootLogCtx->begin());
}
}
TStringStream ss;
OutputLogCtx(&ss, false, !sessionId.empty());
return std::make_pair(sessionId, ss.Str());
}
TString ThrowedLogContextPath() {
TThrowedLogContext* tlc = FastTlsSingleton<TThrowedLogContext>();
return std::move(tlc->LocationWithLogContext);
}
TAutoPtr<TLogElement> TContextPreprocessor::Preprocess(TAutoPtr<TLogElement> element)
{
TStringStream out;
OutputLogCtx(&out, false);
if (!out.Empty()) {
element->With(ToStringBuf(EContextKey::Path), std::move(out.Str()));
}
return element;
}
void TYqlLogContextLocation::SetThrowedLogContextPath() const {
TStringStream ss;
ss << Location_ << TStringBuf(": ");
OutputLogCtx(&ss, true);
TThrowedLogContext* tlc = FastTlsSingleton<TThrowedLogContext>();
tlc->LocationWithLogContext = ss.Str();
}
} // namespace NLog
} // namespace NYql
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