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/**
* @file llcurl.h
* @author Zero / Donovan
* @date 2006-10-15
* @brief A wrapper around libcurl.
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLCURL_H
#define LL_LLCURL_H
#include "linden_common.h"
#include <sstream>
#include <string>
#include <vector>
#include <boost/intrusive_ptr.hpp>
#include <curl/curl.h> // TODO: remove dependency
#include "llbuffer.h"
#include "llhttpconstants.h"
#include "lliopipe.h"
#include "llsd.h"
#include "llqueuedthread.h"
#include "llframetimer.h"
#include "llpointer.h"
#include "llsingleton.h"
class LLMutex;
//class LLCurlThread;
// For whatever reason, this is not typedef'd in curl.h
typedef size_t (*curl_header_callback)(void *ptr, size_t size, size_t nmemb, void *stream);
class LLCurl
{
LOG_CLASS(LLCurl);
public:
/**
* @ brief Set certificate authority file used to verify HTTPS certs.
*/
static void setCAFile(const std::string& file);
/**
* @ brief Set certificate authority path used to verify HTTPS certs.
*/
static void setCAPath(const std::string& path);
/**
* @ brief Return human-readable string describing libcurl version.
*/
static std::string getVersionString();
/**
* @ brief Get certificate authority file used to verify HTTPS certs.
*/
static const std::string& getCAFile() { return sCAFile; }
/**
* @ brief Get certificate authority path used to verify HTTPS certs.
*/
static const std::string& getCAPath() { return sCAPath; }
/**
* @ brief Initialize LLCurl class
*/
static void initClass(F32 curl_reuest_timeout = 120.f, S32 max_number_handles = 256, bool multi_threaded = false);
/**
* @ brief Cleanup LLCurl class
*/
static void cleanupClass();
/**
* @ brief curl error code -> string
*/
static std::string strerror(CURLcode errorcode);
// For OpenSSL callbacks
static std::vector<LLMutex*> sSSLMutex;
// OpenSSL callbacks
static void ssl_locking_callback(int mode, int type, const char *file, int line);
static unsigned long ssl_thread_id(void);
// static LLCurlThread* getCurlThread() { return sCurlThread ;}
static CURLM* newMultiHandle() ;
static CURLMcode deleteMultiHandle(CURLM* handle) ;
static CURL* newEasyHandle() ;
static void deleteEasyHandle(CURL* handle) ;
static CURL* createStandardCurlHandle();
private:
static std::string sCAPath;
static std::string sCAFile;
static const unsigned int MAX_REDIRECTS;
// static LLCurlThread* sCurlThread;
// static LLCurlThread* sCurlThread;
static LLMutex* sHandleMutexp ;
static S32 sTotalHandles ;
static S32 sMaxHandles;
static CURL* sCurlTemplateStandardHandle;
public:
static bool sNotQuitting;
static F32 sCurlRequestTimeOut;
};
// Provide access to LLCurl free functions outside of llcurl.cpp without polluting the global namespace.
namespace LLCurlFF
{
void check_easy_code(CURLcode code);
//void check_multi_code(CURLMcode code);
}
#endif // LL_LLCURL_H
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