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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
/**
* @file lltransfersourceasset.cpp
* @brief Transfer system for sending an asset.
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "lltransfersourceasset.h"
#include "llerror.h"
#include "message.h"
#include "lldatapacker.h"
#include "lldir.h"
#include "llfilesystem.h"
LLTransferSourceAsset::LLTransferSourceAsset(const LLUUID &request_id, const F32 priority) :
LLTransferSource(LLTST_ASSET, request_id, priority),
mGotResponse(FALSE),
mCurPos(0)
{
}
LLTransferSourceAsset::~LLTransferSourceAsset()
{
}
void LLTransferSourceAsset::initTransfer()
{
if (gAssetStorage)
{
// *HACK: asset transfers will only be coming from the viewer
// to the simulator. This is subset of assets we allow to be
// simply pulled straight from the asset system.
LLUUID* tidp;
if(LLAssetType::lookupIsAssetFetchByIDAllowed(mParams.getAssetType()))
{
tidp = new LLUUID(getID());
gAssetStorage->getAssetData(
mParams.getAssetID(),
mParams.getAssetType(),
LLTransferSourceAsset::responderCallback,
tidp,
FALSE);
}
else
{
LL_WARNS() << "Attempted to request blocked asset "
<< mParams.getAssetID() << ":"
<< LLAssetType::lookupHumanReadable(mParams.getAssetType())
<< LL_ENDL;
sendTransferStatus(LLTS_ERROR);
}
}
else
{
LL_WARNS() << "Attempted to request asset " << mParams.getAssetID()
<< ":" << LLAssetType::lookupHumanReadable(mParams.getAssetType())
<< " without an asset system!" << LL_ENDL;
sendTransferStatus(LLTS_ERROR);
}
}
F32 LLTransferSourceAsset::updatePriority()
{
return 0.f;
}
LLTSCode LLTransferSourceAsset::dataCallback(const S32 packet_id,
const S32 max_bytes,
U8 **data_handle,
S32 &returned_bytes,
BOOL &delete_returned)
{
//LL_INFOS() << "LLTransferSourceAsset::dataCallback" << LL_ENDL;
if (!mGotResponse)
{
return LLTS_SKIP;
}
LLFileSystem vf(mParams.getAssetID(), mParams.getAssetType(), LLFileSystem::READ);
if (!vf.getSize())
{
// Something bad happened with the asset request!
return LLTS_ERROR;
}
if (packet_id != mLastPacketID + 1)
{
LL_ERRS() << "Can't handle out of order file transfer yet!" << LL_ENDL;
}
// grab a buffer from the right place in the file
if (!vf.seek(mCurPos, 0))
{
LL_WARNS() << "LLTransferSourceAsset Can't seek to " << mCurPos << " length " << vf.getSize() << LL_ENDL;
LL_WARNS() << "While sending " << mParams.getAssetID() << LL_ENDL;
return LLTS_ERROR;
}
delete_returned = TRUE;
U8 *tmpp = new U8[max_bytes];
*data_handle = tmpp;
if (!vf.read(tmpp, max_bytes)) /* Flawfinder: Ignore */
{
// Read failure, need to deal with it.
delete[] tmpp;
*data_handle = NULL;
returned_bytes = 0;
delete_returned = FALSE;
return LLTS_ERROR;
}
returned_bytes = vf.getLastBytesRead();
mCurPos += returned_bytes;
if (vf.eof())
{
if (!returned_bytes)
{
delete[] tmpp;
*data_handle = NULL;
returned_bytes = 0;
delete_returned = FALSE;
}
return LLTS_DONE;
}
return LLTS_OK;
}
void LLTransferSourceAsset::completionCallback(const LLTSCode status)
{
// No matter what happens, all we want to do is close the vfile if
// we've got it open.
}
void LLTransferSourceAsset::packParams(LLDataPacker& dp) const
{
//LL_INFOS() << "LLTransferSourceAsset::packParams" << LL_ENDL;
mParams.packParams(dp);
}
BOOL LLTransferSourceAsset::unpackParams(LLDataPacker &dp)
{
//LL_INFOS() << "LLTransferSourceAsset::unpackParams" << LL_ENDL;
return mParams.unpackParams(dp);
}
void LLTransferSourceAsset::responderCallback(const LLUUID& uuid, LLAssetType::EType type,
void *user_data, S32 result, LLExtStat ext_status )
{
LLUUID *tidp = ((LLUUID*) user_data);
LLUUID transfer_id = *(tidp);
delete tidp;
tidp = NULL;
LLTransferSourceAsset *tsap = (LLTransferSourceAsset *) gTransferManager.findTransferSource(transfer_id);
if (!tsap)
{
LL_INFOS() << "Aborting transfer " << transfer_id << " callback, transfer source went away" << LL_ENDL;
return;
}
if (result)
{
LL_INFOS() << "AssetStorage: Error " << gAssetStorage->getErrorString(result) << " downloading uuid " << uuid << LL_ENDL;
}
LLTSCode status;
tsap->mGotResponse = TRUE;
if (LL_ERR_NOERR == result)
{
// Everything's OK.
LLFileSystem vf(uuid, type, LLFileSystem::READ);
tsap->mSize = vf.getSize();
status = LLTS_OK;
}
else
{
// Uh oh, something bad happened when we tried to get this asset!
switch (result)
{
case LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE:
status = LLTS_UNKNOWN_SOURCE;
break;
default:
status = LLTS_ERROR;
}
}
tsap->sendTransferStatus(status);
}
LLTransferSourceParamsAsset::LLTransferSourceParamsAsset()
: LLTransferSourceParams(LLTST_ASSET),
mAssetType(LLAssetType::AT_NONE)
{
}
void LLTransferSourceParamsAsset::setAsset(const LLUUID &asset_id, const LLAssetType::EType asset_type)
{
mAssetID = asset_id;
mAssetType = asset_type;
}
void LLTransferSourceParamsAsset::packParams(LLDataPacker &dp) const
{
dp.packUUID(mAssetID, "AssetID");
dp.packS32(mAssetType, "AssetType");
}
BOOL LLTransferSourceParamsAsset::unpackParams(LLDataPacker &dp)
{
S32 tmp_at;
dp.unpackUUID(mAssetID, "AssetID");
dp.unpackS32(tmp_at, "AssetType");
mAssetType = (LLAssetType::EType)tmp_at;
return TRUE;
}
|
