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authorJacek Antonelli2008-08-15 23:44:46 -0500
committerJacek Antonelli2008-08-15 23:44:46 -0500
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parentREADME.txt (diff)
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Second Life viewer sources 1.13.2.12
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1/**
2 * @file lltransfersourceasset.h
3 * @brief Transfer system for sending an asset.
4 *
5 * Copyright (c) 2006-2007, Linden Research, Inc.
6 *
7 * The source code in this file ("Source Code") is provided by Linden Lab
8 * to you under the terms of the GNU General Public License, version 2.0
9 * ("GPL"), unless you have obtained a separate licensing agreement
10 * ("Other License"), formally executed by you and Linden Lab. Terms of
11 * the GPL can be found in doc/GPL-license.txt in this distribution, or
12 * online at http://secondlife.com/developers/opensource/gplv2
13 *
14 * There are special exceptions to the terms and conditions of the GPL as
15 * it is applied to this Source Code. View the full text of the exception
16 * in the file doc/FLOSS-exception.txt in this software distribution, or
17 * online at http://secondlife.com/developers/opensource/flossexception
18 *
19 * By copying, modifying or distributing this software, you acknowledge
20 * that you have read and understood your obligations described above,
21 * and agree to abide by those obligations.
22 *
23 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
24 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
25 * COMPLETENESS OR PERFORMANCE.
26 */
27
28#ifndef LL_LLTRANSFERSOURCEASSET_H
29#define LL_LLTRANSFERSOURCEASSET_H
30
31#include "lltransfermanager.h"
32#include "llassetstorage.h"
33
34class LLVFile;
35
36class LLTransferSourceParamsAsset : public LLTransferSourceParams
37{
38public:
39 LLTransferSourceParamsAsset();
40 virtual ~LLTransferSourceParamsAsset() {}
41 /*virtual*/ void packParams(LLDataPacker &dp) const;
42 /*virtual*/ BOOL unpackParams(LLDataPacker &dp);
43
44 void setAsset(const LLUUID &asset_id, const LLAssetType::EType asset_type);
45
46 LLUUID getAssetID() const { return mAssetID; }
47 LLAssetType::EType getAssetType() const { return mAssetType; }
48
49protected:
50 LLUUID mAssetID;
51 LLAssetType::EType mAssetType;
52};
53
54class LLTransferSourceAsset : public LLTransferSource
55{
56public:
57 LLTransferSourceAsset(const LLUUID &request_id, const F32 priority);
58 virtual ~LLTransferSourceAsset();
59
60 static void responderCallback(LLVFS *vfs, const LLUUID& uuid, LLAssetType::EType type,
61 void *user_data, S32 result);
62protected:
63 /*virtual*/ void initTransfer();
64 /*virtual*/ F32 updatePriority();
65 /*virtual*/ LLTSCode dataCallback(const S32 packet_id,
66 const S32 max_bytes,
67 U8 **datap,
68 S32 &returned_bytes,
69 BOOL &delete_returned);
70 /*virtual*/ void completionCallback(const LLTSCode status);
71
72 virtual void packParams(LLDataPacker& dp) const;
73 /*virtual*/ BOOL unpackParams(LLDataPacker &dp);
74
75protected:
76 LLTransferSourceParamsAsset mParams;
77 BOOL mGotResponse;
78
79 S32 mCurPos;
80};
81
82/**
83 * @brief Quick check to see if the asset allows direct download.
84 *
85 * This might not be the right place for this function call, but it
86 * originally started life inside the LLTransferSourceAsset code.
87 * @param type The type of asset.
88 * @return Returns true if the asset can be fetched by id.
89 */
90bool is_asset_fetch_by_id_allowed(LLAssetType::EType type);
91
92/**
93 * @brief Quick check to see if all asset data can be known by the viewer.
94 *
95 * This might not be the right place for this function call, but it
96 * originally started life inside the LLTransferSourceAsset code.
97 * @param type The type of asset.
98 * @return Returns true if the asset id can be transmitted to the viewer.
99 */
100bool is_asset_id_knowable(LLAssetType::EType type);
101
102#endif // LL_LLTRANSFERSOURCEASSET_H