proxygen::ZlibServerFilterFactory Class Reference

#include <ZlibServerFilter.h>

Inheritance diagram for proxygen::ZlibServerFilterFactory:

Public Member Functions
	ZlibServerFilterFactory (int32_t compressionLevel, uint32_t minimumCompressionSize, const std::set< std::string > compressibleContentTypes)
void	onServerStart (folly::EventBase *) noexceptoverride
void	onServerStop () noexceptoverride
RequestHandler *	onRequest (RequestHandler *h, HTTPMessage *msg) noexceptoverride
Public Member Functions inherited from proxygen::RequestHandlerFactory
virtual	~RequestHandlerFactory ()

Protected Member Functions
bool	acceptsSupportedCompressionType (HTTPMessage *msg) noexcept

Protected Attributes
int32_t	compressionLevel_
uint32_t	minimumCompressionSize_
const std::shared_ptr< std::set< std::string > >	compressibleContentTypes_

Detailed Description

Definition at line 196 of file ZlibServerFilter.h.

Constructor & Destructor Documentation

proxygen::ZlibServerFilterFactory::ZlibServerFilterFactory ( int32_t  compressionLevel, uint32_t  minimumCompressionSize, const std::set< std::string >  compressibleContentTypes  )

inlineexplicit

Definition at line 198 of file ZlibServerFilter.h.

      : compressionLevel_(compressionLevel),
        minimumCompressionSize_(minimumCompressionSize),
        compressibleContentTypes_(
            std::make_shared<std::set<std::string>>(compressibleContentTypes)) {
  }

Member Function Documentation

bool proxygen::ZlibServerFilterFactory::acceptsSupportedCompressionType ( HTTPMessage *  msg )

inlineprotectednoexcept

Definition at line 231 of file ZlibServerFilter.h.

References proxygen::HTTP_HEADER_ACCEPT_ENCODING, gmock_output_test::output, and proxygen::RFC2616::parseQvalues().

                                                                  {

    std::vector<RFC2616::TokenQPair> output;

    //Accept encoding header could have qvalues (gzip; q=5.0)
    auto acceptEncodingHeader =
        msg->getHeaders().getSingleOrEmpty(HTTP_HEADER_ACCEPT_ENCODING);

    if (RFC2616::parseQvalues(acceptEncodingHeader, output)) {
      std::vector<RFC2616::TokenQPair>::iterator it = std::find_if(
          output.begin(), output.end(), [](RFC2616::TokenQPair elem) {
            return elem.first.compare(folly::StringPiece("gzip")) == 0;
          });

      return (it != output.end());
    }

    return false;
  }

RequestHandler* proxygen::ZlibServerFilterFactory::onRequest ( RequestHandler *  , HTTPMessage *    )

inlineoverridevirtualnoexcept

Invoked for each new request server handles. HTTPMessage is provided so that user can potentially choose among several implementation of handler based on URL or something. No need to save/copy this HTTPMessage. RequestHandler will be given the HTTPMessage in a separate callback.

Some request handlers don't handle the request themselves (think filters). They do take some actions based on request/response but otherwise they just hand-off request to some other RequestHandler. This upstream RequestHandler is given as first parameter. For the terminal RequestHandler this will by nullptr.

Implements proxygen::RequestHandlerFactory.

Definition at line 212 of file ZlibServerFilter.h.

References proxygen::ZlibServerFilter::compressibleContentTypes_, proxygen::ZlibServerFilter::compressionLevel_, h, proxygen::ZlibServerFilter::minimumCompressionSize_, and proxygen::ZlibServerFilter::ZlibServerFilter().

                                                                {

    if (acceptsSupportedCompressionType(msg)) {
      auto zlibServerFilter =
          new ZlibServerFilter(h,
              compressionLevel_,
              minimumCompressionSize_,
              compressibleContentTypes_);
      return zlibServerFilter;
    }

    // No compression
    return h;
  }

void proxygen::ZlibServerFilterFactory::onServerStart ( folly::EventBase *  evb )

inlineoverridevirtualnoexcept

Invoked in each thread server is going to handle requests before we start handling requests. Can be used to setup thread-local setup for each thread (stats and such).

Implements proxygen::RequestHandlerFactory.

Definition at line 208 of file ZlibServerFilter.h.

{}

void proxygen::ZlibServerFilterFactory::onServerStop ( )

inlineoverridevirtualnoexcept

Invoked in each handler thread after all the connections are drained from that thread. Can be used to tear down thread-local setup.

Implements proxygen::RequestHandlerFactory.

Definition at line 210 of file ZlibServerFilter.h.

{}

Member Data Documentation

const std::shared_ptr<std::set<std::string> > proxygen::ZlibServerFilterFactory::compressibleContentTypes_

protected

Definition at line 253 of file ZlibServerFilter.h.

int32_t proxygen::ZlibServerFilterFactory::compressionLevel_

protected

Definition at line 251 of file ZlibServerFilter.h.

uint32_t proxygen::ZlibServerFilterFactory::minimumCompressionSize_

protected

Definition at line 252 of file ZlibServerFilter.h.

---

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

• proxygen/httpserver/filters/ZlibServerFilter.h