[9efc21]: src / common / beaglequeuecache.cpp History

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beaglequeuecache.cpp    61 lines (51 with data), 1.6 kB 

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#include "autoconfig.h"



#include "beaglequeuecache.h"

#include "circache.h"

#include "debuglog.h"

#include "rclconfig.h"

#include "pathut.h"

#include "rcldoc.h"



BeagleQueueCache::BeagleQueueCache(RclConfig *cnf) 

{

    string ccdir;

    cnf->getConfParam("webcachedir", ccdir);

    if (ccdir.empty())

        ccdir = "webcache";

    ccdir = path_tildexpand(ccdir);

    // If not an absolute path, compute relative to config dir

    if (ccdir.at(0) != '/')

        ccdir = path_cat(cnf->getConfDir(), ccdir);



    int maxmbs = 40;

    cnf->getConfParam("webcachemaxmbs", &maxmbs);

    m_cache = new CirCache(ccdir);

    m_cache->create(off_t(maxmbs)*1000*1024, CirCache::CC_CRUNIQUE);

}



BeagleQueueCache::~BeagleQueueCache()

{

    delete m_cache;

}



// Read  document from cache. Return the metadata as an Rcl::Doc

// @param htt Beagle Hit Type 

bool BeagleQueueCache::getFromCache(const string& udi, Rcl::Doc &dotdoc, 

                                      string& data, string *htt)

{

    string dict;



    if (!m_cache->get(udi, dict, data))

        return false;



    ConfSimple cf(dict, 1);

    

    if (htt)

        cf.get(Rcl::Doc::keybght, *htt, "");



    // Build a doc from saved metadata 

    cf.get("url", dotdoc.url, "");

    cf.get("mimetype", dotdoc.mimetype, "");

    cf.get("fmtime", dotdoc.fmtime, "");

    cf.get("fbytes", dotdoc.fbytes, "");

    dotdoc.sig = "";

    list<string> names = cf.getNames("");

    for (list<string>::const_iterator it = names.begin();

         it != names.end(); it++) {

        cf.get(*it, dotdoc.meta[*it], "");

    }

    dotdoc.meta[Rcl::Doc::keyudi] = udi;

    return true;

}