summaryrefslogtreecommitdiff
path: root/indra/llmessage/llsdmessagebuilder.cpp
blob: 615221e0ad086c54288c030fc24144f8836ebca5 (plain)
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
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
/** 
 * @file llsdmessagebuilder.cpp
 * @brief LLSDMessageBuilder class implementation.
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * 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 "llsdmessagebuilder.h"

#include "llmessagetemplate.h"
#include "llmath.h"
#include "llquaternion.h"
#include "llsdutil.h"
#include "llsdutil_math.h"
#include "llsdserialize.h"
#include "u64.h"
#include "v3dmath.h"
#include "v3math.h"
#include "v4math.h"

LLSDMessageBuilder::LLSDMessageBuilder() :
	mCurrentMessage(LLSD::emptyMap()),
	mCurrentBlock(NULL),
	mCurrentMessageName(""),
	mCurrentBlockName(""),
	mbSBuilt(FALSE),
	mbSClear(TRUE)
{
}

//virtual
LLSDMessageBuilder::~LLSDMessageBuilder()
{
}


// virtual
void LLSDMessageBuilder::newMessage(const char* name)
{
	mbSBuilt = FALSE;
	mbSClear = FALSE;

	mCurrentMessage = LLSD::emptyMap();
	mCurrentMessageName = (char*)name;
}

// virtual
void LLSDMessageBuilder::clearMessage()
{
	mbSBuilt = FALSE;
	mbSClear = TRUE;

	mCurrentMessage = LLSD::emptyMap();
	mCurrentMessageName = "";
}

// virtual
void LLSDMessageBuilder::nextBlock(const char* blockname)
{
	LLSD& block = mCurrentMessage[blockname];
	if(block.isUndefined())
	{
		block[0] = LLSD::emptyMap();
		mCurrentBlock = &(block[0]);
	}
	else if(block.isArray())
	{
		block[block.size()] = LLSD::emptyMap();
		mCurrentBlock = &(block[block.size() - 1]);
	}
	else
	{
		llerrs << "existing block not array" << llendl;
	}
}

// TODO: Remove this horror...
BOOL LLSDMessageBuilder::removeLastBlock()
{
	/* TODO: finish implementing this */
	return FALSE;
}

void LLSDMessageBuilder::addBinaryData(
	const char* varname, 
	const void* data,
	S32 size)
{
	std::vector<U8> v;
	v.resize(size);
	memcpy(&(v[0]), reinterpret_cast<const U8*>(data), size);
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addS8(const char* varname, S8 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addU8(const char* varname, U8 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addS16(const char* varname, S16 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addU16(const char* varname, U16 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addF32(const char* varname, F32 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addS32(const char* varname, S32 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addU32(const char* varname, U32 v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_U32(v);
}

void LLSDMessageBuilder::addU64(const char* varname, U64 v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_U64(v);
}

void LLSDMessageBuilder::addF64(const char* varname, F64 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addIPAddr(const char* varname, U32 v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_ipaddr(v);
}

void LLSDMessageBuilder::addIPPort(const char* varname, U16 v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::addBOOL(const char* varname, BOOL v)
{
	(*mCurrentBlock)[varname] = (v == TRUE);
}

void LLSDMessageBuilder::addString(const char* varname, const char* v)
{
	if (v)
		(*mCurrentBlock)[varname] = v;  /* Flawfinder: ignore */  
	else
		(*mCurrentBlock)[varname] = ""; 
}

void LLSDMessageBuilder::addString(const char* varname, const std::string& v)
{
	if (v.size())
		(*mCurrentBlock)[varname] = v; 
	else
		(*mCurrentBlock)[varname] = ""; 
}

void LLSDMessageBuilder::addVector3(const char* varname, const LLVector3& v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_vector3(v);
}

void LLSDMessageBuilder::addVector4(const char* varname, const LLVector4& v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_vector4(v);
}

void LLSDMessageBuilder::addVector3d(const char* varname, const LLVector3d& v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_vector3d(v);
}

void LLSDMessageBuilder::addQuat(const char* varname, const LLQuaternion& v)
{
	(*mCurrentBlock)[varname] = ll_sd_from_quaternion(v);
}

void LLSDMessageBuilder::addUUID(const char* varname, const LLUUID& v)
{
	(*mCurrentBlock)[varname] = v;
}

void LLSDMessageBuilder::compressMessage(U8*& buf_ptr, U32& buffer_length)
{
}

BOOL LLSDMessageBuilder::isMessageFull(const char* blockname) const
{
	return FALSE;
}

U32 LLSDMessageBuilder::buildMessage(U8*, U32, U8)
{
	return 0;
}

void LLSDMessageBuilder::copyFromMessageData(const LLMsgData& data)
{
	// copy the blocks
	// counting variables used to encode multiple block info
	S32 block_count = 0;
    char* block_name = NULL;

	// loop through msg blocks to loop through variables, totalling up size
	// data and filling the new (send) message
	LLMsgData::msg_blk_data_map_t::const_iterator iter = 
		data.mMemberBlocks.begin();
	LLMsgData::msg_blk_data_map_t::const_iterator end = 
		data.mMemberBlocks.end();
	for(; iter != end; ++iter)
	{
		const LLMsgBlkData* mbci = iter->second;
		if(!mbci) continue;

		// do we need to encode a block code?
		if (block_count == 0)
		{
			block_count = mbci->mBlockNumber;
			block_name = (char*)mbci->mName;
		}

		// counting down mutliple blocks
		block_count--;

		nextBlock(block_name);

		// now loop through the variables
		LLMsgBlkData::msg_var_data_map_t::const_iterator dit = mbci->mMemberVarData.begin();
		LLMsgBlkData::msg_var_data_map_t::const_iterator dend = mbci->mMemberVarData.end();
		
		for(; dit != dend; ++dit)
		{
			const LLMsgVarData& mvci = *dit;
			const char* varname = mvci.getName();

			switch(mvci.getType())
			{
			case MVT_FIXED:
				addBinaryData(varname, mvci.getData(), mvci.getSize());
				break;

			case MVT_VARIABLE:
				{
					const char end = ((const char*)mvci.getData())[mvci.getSize()-1]; // Ensure null terminated
					if (mvci.getDataSize() == 1 && end == 0) 
					{
						addString(varname, (const char*)mvci.getData());
					}
					else
					{
						addBinaryData(varname, mvci.getData(), mvci.getSize());
					}
					break;
				}

			case MVT_U8:
				addU8(varname, *(U8*)mvci.getData());
				break;

			case MVT_U16:
				addU16(varname, *(U16*)mvci.getData());
				break;

			case MVT_U32:
				addU32(varname, *(U32*)mvci.getData());
				break;

			case MVT_U64:
				addU64(varname, *(U64*)mvci.getData());
				break;

			case MVT_S8:
				addS8(varname, *(S8*)mvci.getData());
				break;

			case MVT_S16:
				addS16(varname, *(S16*)mvci.getData());
				break;

			case MVT_S32:
				addS32(varname, *(S32*)mvci.getData());
				break;

			// S64 not supported in LLSD so we just truncate it
			case MVT_S64:
				addS32(varname, (S32)*(S64*)mvci.getData());
				break;

			case MVT_F32:
				addF32(varname, *(F32*)mvci.getData());
				break;

			case MVT_F64:
				addF64(varname, *(F64*)mvci.getData());
				break;

			case MVT_LLVector3:
				addVector3(varname, *(LLVector3*)mvci.getData());
				break;

			case MVT_LLVector3d:
				addVector3d(varname, *(LLVector3d*)mvci.getData());
				break;

			case MVT_LLVector4:
				addVector4(varname, *(LLVector4*)mvci.getData());
				break;

			case MVT_LLQuaternion:
				{
					LLVector3 v = *(LLVector3*)mvci.getData();
					LLQuaternion q;
					q.unpackFromVector3(v);
					addQuat(varname, q);
					break;
				}

			case MVT_LLUUID:
				addUUID(varname, *(LLUUID*)mvci.getData());
				break;	

			case MVT_BOOL:
				addBOOL(varname, *(BOOL*)mvci.getData());
				break;

			case MVT_IP_ADDR:
				addIPAddr(varname, *(U32*)mvci.getData());
				break;

			case MVT_IP_PORT:
				addIPPort(varname, *(U16*)mvci.getData());
				break;

			case MVT_U16Vec3:
				//treated as an array of 6 bytes
				addBinaryData(varname, mvci.getData(), 6);
				break;

			case MVT_U16Quat:
				//treated as an array of 8 bytes
				addBinaryData(varname, mvci.getData(), 8);
				break;

			case MVT_S16Array:
				addBinaryData(varname, mvci.getData(), mvci.getSize());
				break;

			default:
				llwarns << "Unknown type in conversion of message to LLSD" << llendl;
				break;
			}
		}
	}
}

//virtual
void LLSDMessageBuilder::copyFromLLSD(const LLSD& msg)
{
	mCurrentMessage = msg;
	lldebugs << LLSDNotationStreamer(mCurrentMessage) << llendl;
}

const LLSD& LLSDMessageBuilder::getMessage() const
{
	 return mCurrentMessage;
}

//virtual
void LLSDMessageBuilder::setBuilt(BOOL b) { mbSBuilt = b; }

//virtual 
BOOL LLSDMessageBuilder::isBuilt() const {return mbSBuilt;}

//virtual 
BOOL LLSDMessageBuilder::isClear() const {return mbSClear;}

//virtual 
S32 LLSDMessageBuilder::getMessageSize()
{
	// babbage: size is unknown as message stored as LLSD.
	// return non-zero if pending data, as send can be skipped for 0 size.
	// return 1 to encourage senders checking size against splitting message.
	return mCurrentMessage.size()? 1 : 0;
}

//virtual 
const char* LLSDMessageBuilder::getMessageName() const 
{
	return mCurrentMessageName.c_str();
}