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
|
/**
* @file lltransfersourcefile.cpp
* @brief Transfer system for sending a file.
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* 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 "lltransfersourcefile.h"
#include "llerror.h"
#include "message.h"
#include "lldatapacker.h"
#include "lldir.h"
LLTransferSourceFile::LLTransferSourceFile(const LLUUID &request_id, const F32 priority) :
LLTransferSource(LLTST_FILE, request_id, priority),
mFP(NULL)
{
}
LLTransferSourceFile::~LLTransferSourceFile()
{
if (mFP)
{
LL_ERRS() << "Destructor called without the completion callback being called!" << LL_ENDL;
}
}
void LLTransferSourceFile::initTransfer()
{
std::string filename = mParams.getFilename();
std::string delimiter = gDirUtilp->getDirDelimiter();
if((filename == ".")
|| (filename == "..")
|| (filename.find(delimiter[0]) != std::string::npos))
{
LL_WARNS() << "Attempting to transfer file " << filename << " with path delimiter, aborting!" << LL_ENDL;
sendTransferStatus(LLTS_ERROR);
return;
}
// Look for the file.
mFP = LLFile::fopen(mParams.getFilename(), "rb"); /* Flawfinder: ignore */
if (!mFP)
{
sendTransferStatus(LLTS_ERROR);
return;
}
// Get the size of the file using the hack from
fseek(mFP,0,SEEK_END);
mSize = ftell(mFP);
fseek(mFP,0,SEEK_SET);
sendTransferStatus(LLTS_OK);
}
F32 LLTransferSourceFile::updatePriority()
{
return 0.f;
}
LLTSCode LLTransferSourceFile::dataCallback(const S32 packet_id,
const S32 max_bytes,
U8 **data_handle,
S32 &returned_bytes,
bool &delete_returned)
{
//LL_INFOS() << "LLTransferSourceFile::dataCallback" << LL_ENDL;
if (!mFP)
{
LL_ERRS() << "Data callback without file set!" << LL_ENDL;
return LLTS_ERROR;
}
if (packet_id != mLastPacketID + 1)
{
LL_ERRS() << "Can't handle out of order file transfer yet!" << LL_ENDL;
}
// Grab up until the max number of bytes from the file.
delete_returned = true;
U8 *tmpp = new U8[max_bytes];
*data_handle = tmpp;
returned_bytes = (S32)fread(tmpp, 1, max_bytes, mFP);
if (!returned_bytes)
{
delete[] tmpp;
*data_handle = NULL;
returned_bytes = 0;
delete_returned = false;
return LLTS_DONE;
}
return LLTS_OK;
}
void LLTransferSourceFile::completionCallback(const LLTSCode status)
{
// No matter what happens, all we want to do is close the file pointer if
// we've got it open.
if (mFP)
{
fclose(mFP);
mFP = NULL;
}
// Delete the file iff the filename begins with "TEMP"
if (mParams.getDeleteOnCompletion() && mParams.getFilename().substr(0, 4) == "TEMP")
{
LLFile::remove(mParams.getFilename());
}
}
void LLTransferSourceFile::packParams(LLDataPacker& dp) const
{
//LL_INFOS() << "LLTransferSourceFile::packParams" << LL_ENDL;
mParams.packParams(dp);
}
bool LLTransferSourceFile::unpackParams(LLDataPacker &dp)
{
//LL_INFOS() << "LLTransferSourceFile::unpackParams" << LL_ENDL;
return mParams.unpackParams(dp);
}
LLTransferSourceParamsFile::LLTransferSourceParamsFile() :
LLTransferSourceParams(LLTST_FILE),
mDeleteOnCompletion(false)
{
}
void LLTransferSourceParamsFile::packParams(LLDataPacker &dp) const
{
dp.packString(mFilename, "Filename");
dp.packU8((U8)mDeleteOnCompletion, "Delete");
}
bool LLTransferSourceParamsFile::unpackParams(LLDataPacker &dp)
{
dp.unpackString(mFilename, "Filename");
U8 delete_flag;
dp.unpackU8(delete_flag, "Delete");
mDeleteOnCompletion = delete_flag;
LL_INFOS() << "Unpacked filename: " << mFilename << LL_ENDL;
return true;
}
|
