/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/EventFilter/StorageManager/interface/CurlInterface.h

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// $Id: CurlInterface.h,v 1.4 2011/11/16 14:32:22 mommsen Exp $

#ifndef EventFilter_StorageManager_CurlInterface_h
#define EventFilter_StorageManager_CurlInterface_h

#include "boost/shared_ptr.hpp"

#include <curl/curl.h>
#include <openssl/crypto.h>
#include <pthread.h>
#include <string>
#include <vector>


namespace stor {

  class CurlInterface
  {

  public:

    typedef std::vector<char> Content;

    ~CurlInterface();

    static boost::shared_ptr<CurlInterface> getInterface();

    CURLcode getContent(const std::string& url, const std::string& user, Content& content);

    CURLcode postBinaryMessage(const std::string& url, void* buf, size_t size, Content& content);

    
  private:

    CurlInterface();

    CURLcode do_curl(CURL*, const std::string& url, Content& content);
    static size_t writeToString(char* data, size_t size, size_t nmemb, Content* buffer);
    static void sslLockingFunction(int mode, int n, const char* file, int line);
    static unsigned long sslIdFunction();
    
    static boost::shared_ptr<CurlInterface> interface_;
    static pthread_mutex_t* mutexes_;
  };

  typedef boost::shared_ptr<CurlInterface> CurlInterfacePtr;

} // namespace stor

#endif // EventFilter_StorageManager_CurlInterface_h