folly::RequestToken Class Reference

#include <Request.h>

Public Member Functions
	RequestToken (const std::string &str)
bool	operator== (const RequestToken &other) const
std::string	getDebugString () const

Static Private Member Functions
static Synchronized< F14FastMap< std::string, uint32_t > > &	getCache ()

Private Attributes
uint32_t	token_

Friends
struct	std::hash< folly::RequestToken >

Detailed Description

Definition at line 33 of file Request.h.

Constructor & Destructor Documentation

folly::RequestToken::RequestToken ( const std::string &  str )

explicit

Definition at line 27 of file Request.cpp.

References c, getCache(), token_, and uint32_t.

Referenced by folly::RequestContext::clearContextData(), folly::RequestContext::doSetContextData(), folly::RequestContext::getContextData(), folly::RequestContext::hasContextData(), folly::RequestContext::overwriteContextData(), folly::RequestContext::setContextData(), and folly::RequestContext::setContextDataIfAbsent().

                                               {
  auto& cache = getCache();
  {
    auto c = cache.rlock();
    auto res = c->find(str);
    if (res != c->end()) {
      token_ = res->second;
      return;
    }
  }
  auto c = cache.wlock();
  auto res = c->find(str);
  if (res != c->end()) {
    token_ = res->second;
    return;
  }
  static uint32_t nextToken{1};

  token_ = nextToken++;
  (*c)[str] = token_;
}

Member Function Documentation

Synchronized< F14FastMap< std::string, uint32_t > > & folly::RequestToken::getCache ( )

staticprivate

Definition at line 60 of file Request.cpp.

Referenced by getDebugString(), and RequestToken().

                                                                      {
  static Indestructible<Synchronized<F14FastMap<std::string, uint32_t>>> cache;
  return *cache;
}

std::string folly::RequestToken::getDebugString

(

)

const

Definition at line 49 of file Request.cpp.

References c, getCache(), and token_.

Referenced by folly::RequestContext::doSetContextData(), and operator==().

                                             {
  auto& cache = getCache();
  auto c = cache.rlock();
  for (auto& v : *c) {
    if (v.second == token_) {
      return v.first;
    }
  }
  throw std::logic_error("Could not find debug string in RequestToken");
}

bool folly::RequestToken::operator== ( const RequestToken &  other ) const

inline

Definition at line 37 of file Request.h.

References getDebugString(), string, and token_.

                                                   {
    return token_ == other.token_;
  }

Friends And Related Function Documentation

friend struct std::hash< folly::RequestToken >

friend

Definition at line 44 of file Request.h.

Member Data Documentation

uint32_t folly::RequestToken::token_

private

Definition at line 49 of file Request.h.

Referenced by getDebugString(), std::hash< folly::RequestToken >::operator()(), operator==(), and RequestToken().

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The documentation for this class was generated from the following files:

• proxygen/folly/folly/io/async/Request.h
• proxygen/folly/folly/io/async/Request.cpp