/** * @file llhttpassetstorage.h * @brief Class for loading asset data to/from an external source over http. * * Copyright (c) 2003-$CurrentYear$, Linden Research, Inc. * $License$ */ #ifndef LLHTTPASSETSTORAGE_H #define LLHTTPASSETSTORAGE_H #include "llassetstorage.h" #include "curl/curl.h" class LLVFile; typedef void (*progress_callback)(void* userdata); struct LLTempAssetData; typedef std::map uuid_tempdata_map; class LLHTTPAssetStorage : public LLAssetStorage { public: LLHTTPAssetStorage(LLMessageSystem *msg, LLXferManager *xfer, LLVFS *vfs, const LLHost &upstream_host, const char *web_host, const char *local_web_host, const char *host_name); LLHTTPAssetStorage(LLMessageSystem *msg, LLXferManager *xfer, LLVFS *vfs, const char *web_host, const char *local_web_host, const char *host_name); virtual ~LLHTTPAssetStorage(); virtual void storeAssetData( const LLUUID& uuid, LLAssetType::EType atype, LLStoreAssetCallback callback, void* user_data, bool temp_file = false, bool is_priority = false, bool store_local = false, const LLUUID& requesting_agent_id = LLUUID::null); virtual void storeAssetData( const char* filename, const LLUUID& asset_id, LLAssetType::EType atype, LLStoreAssetCallback callback, void* user_data, bool temp_file, bool is_priority); // Hack. One off curl download an URL to a file. Probably should be elsewhere. // Only used by lldynamicstate. The API is broken, and should be replaced with // a generic HTTP file fetch - Doug 9/25/06 S32 getURLToFile(const LLUUID& uuid, LLAssetType::EType asset_type, const LLString &url, const char *filename, progress_callback callback, void *userdata); void checkForTimeouts(); static size_t curlDownCallback(void *data, size_t size, size_t nmemb, void *user_data); static size_t curlFileDownCallback(void *data, size_t size, size_t nmemb, void *user_data); static size_t curlUpCallback(void *data, size_t size, size_t nmemb, void *user_data); static size_t nullOutputCallback(void *data, size_t size, size_t nmemb, void *user_data); // Should only be used by the LLHTTPAssetRequest void setPendingUpload() { mPendingUpload = TRUE; } void setPendingLocalUpload() { mPendingLocalUpload = TRUE; } void setPendingDownload() { mPendingDownload = TRUE; } void clearPendingUpload() { mPendingUpload = FALSE; } void clearPendingLocalUpload() { mPendingLocalUpload = FALSE; } void clearPendingDownload() { mPendingDownload = FALSE; } // Temp assets are stored on sim nodes, they have agent ID and location data associated with them. virtual void addTempAssetData(const LLUUID& asset_id, const LLUUID& agent_id, const std::string& host_name); virtual BOOL hasTempAssetData(const LLUUID& texture_id) const; virtual std::string getTempAssetHostName(const LLUUID& texture_id) const; virtual LLUUID getTempAssetAgentID(const LLUUID& texture_id) const; virtual void removeTempAssetData(const LLUUID& asset_id); virtual void removeTempAssetDataByAgentID(const LLUUID& agent_id); // Pass LLUUID::null for all virtual void dumpTempAssetData(const LLUUID& avatar_id) const; virtual void clearTempAssetData(); protected: void _queueDataRequest(const LLUUID& uuid, LLAssetType::EType type, void (*callback)(LLVFS *vfs, const LLUUID&, LLAssetType::EType, void *, S32), void *user_data, BOOL duplicate, BOOL is_priority); private: void _init(const char *web_host, const char *local_web_host, const char* host_name); // This will return the correct base URI for any http asset request std::string getBaseURL(const LLUUID& asset_id, LLAssetType::EType asset_type); protected: std::string mBaseURL; std::string mLocalBaseURL; std::string mHostName; CURLM *mCurlMultiHandle; BOOL mPendingDownload; BOOL mPendingUpload; BOOL mPendingLocalUpload; uuid_tempdata_map mTempAssets; }; #endif