experiment_util.h File Reference

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/string.h"
#include "pagespeed/kernel/base/string_util.h"

Go to the source code of this file.

Namespaces
	net_instaweb
	Unit-test framework for wget fetcher.

Enumerations
enum	ExperimentState { net_instaweb::experiment::kForceNoExperiment = -2, net_instaweb::experiment::kExperimentNotSet = -1, net_instaweb::experiment::kNoExperiment = 0 }

Functions
bool	net_instaweb::experiment::GetExperimentCookieState (const RequestHeaders &headers, int *value)
void	net_instaweb::experiment::RemoveExperimentCookie (RequestHeaders *headers)
void	net_instaweb::experiment::SetExperimentCookie (ResponseHeaders *headers, int state, const StringPiece &url, int64 expiration_time_ms)
int	net_instaweb::experiment::DetermineExperimentState (const RewriteOptions *options, const RequestHeaders &headers, const UserAgentMatcher &matcher)
	Determines which side of the experiment this request should end up on.
bool	net_instaweb::experiment::AnyActiveExperiments (const RewriteOptions *options)
	Are there any experiments defined with percent > 0?
GoogleString	net_instaweb::experiment::ExperimentStateToCookieString (int state)
int	net_instaweb::experiment::CookieStringToState (const StringPiece &cookie_str)
	Converts a Experiment Cookie string, e.g. "2", into a ExperimentState.

Variables
const char	net_instaweb::experiment::kExperimentCookie [] = "PageSpeedExperiment"
	Name of the cookie we set when running experiments.
const char	net_instaweb::experiment::kExperimentCookiePrefix [] = "PageSpeedExperiment="

Detailed Description

Functionality and constants for handling experiments and measurement.

The experiment framework uses cookies and Google Analytics to track page speed statistics and correlate them with different sets of rewriters.