/indra/llmessage/llsdmessagebuilder.cpp
C++ | 424 lines | 301 code | 73 blank | 50 comment | 17 complexity | 3a49a0504943577fe2b2045e1d97d768 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @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, *(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();
- }