1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/**
* @file llhttpassetstorage.h
* @brief Class for loading asset data to/from an external source over http.
*
* $LicenseInfo:firstyear=2003&license=viewergpl$
*
* Copyright (c) 2003-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LLHTTPASSETSTORAGE_H
#define LLHTTPASSETSTORAGE_H
#include "llassetstorage.h"
#include "curl/curl.h"
class LLVFile;
class LLHTTPAssetRequest;
typedef void (*progress_callback)(void* userdata);
struct LLTempAssetData;
typedef std::map<LLUUID,LLTempAssetData> uuid_tempdata_map;
class LLHTTPAssetStorage : public LLAssetStorage
{
public:
LLHTTPAssetStorage(LLMessageSystem *msg, LLXferManager *xfer,
LLVFS *vfs, const LLHost &upstream_host,
const std::string& web_host,
const std::string& local_web_host,
const std::string& host_name);
LLHTTPAssetStorage(LLMessageSystem *msg, LLXferManager *xfer,
LLVFS *vfs,
const std::string& web_host,
const std::string& local_web_host,
const std::string& 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,
bool user_waiting=FALSE,
F64 timeout=LL_ASSET_STORAGE_TIMEOUT);
virtual void storeAssetData(
const std::string& filename,
const LLUUID& asset_id,
LLAssetType::EType atype,
LLStoreAssetCallback callback,
void* user_data,
bool temp_file,
bool is_priority,
bool user_waiting=FALSE,
F64 timeout=LL_ASSET_STORAGE_TIMEOUT);
virtual LLSD getPendingDetails(ERequestType rt,
LLAssetType::EType asset_type,
const std::string& detail_prefix) const;
virtual LLSD getPendingRequest(ERequestType rt,
LLAssetType::EType asset_type,
const LLUUID& asset_id) const;
virtual bool deletePendingRequest(ERequestType rt,
LLAssetType::EType asset_type,
const LLUUID& asset_id);
// 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 std::string &url, const std::string& filename, progress_callback callback, void *userdata);
LLAssetRequest* findNextRequest(request_list_t& pending, request_list_t& running);
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 addRunningRequest(ERequestType rt, LLHTTPAssetRequest* request);
void removeRunningRequest(ERequestType rt, LLHTTPAssetRequest* request);
request_list_t* getRunningList(ERequestType rt);
const request_list_t* getRunningList(ERequestType rt) const;
// 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, LLExtStat),
void *user_data, BOOL duplicate, BOOL is_priority);
private:
void _init(const std::string& web_host, const std::string& local_web_host, const std::string& 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);
// Check for running uploads that have timed out
// Bump these to the back of the line to let other uploads complete.
void bumpTimedOutUploads();
protected:
std::string mBaseURL;
std::string mLocalBaseURL;
std::string mHostName;
CURLM *mCurlMultiHandle;
request_list_t mRunningDownloads;
request_list_t mRunningUploads;
request_list_t mRunningLocalUploads;
uuid_tempdata_map mTempAssets;
};
#endif
|
