diff options
Diffstat (limited to 'indra/llmessage/lltemplatemessagereader.cpp')
| -rw-r--r-- | indra/llmessage/lltemplatemessagereader.cpp | 1288 |
1 files changed, 644 insertions, 644 deletions
diff --git a/indra/llmessage/lltemplatemessagereader.cpp b/indra/llmessage/lltemplatemessagereader.cpp index 32f79f0546..370d458eb8 100644 --- a/indra/llmessage/lltemplatemessagereader.cpp +++ b/indra/llmessage/lltemplatemessagereader.cpp @@ -1,25 +1,25 @@ -/** +/** * @file lltemplatemessagereader.cpp * @brief LLTemplateMessageReader 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 * $/LicenseInfo$ */ @@ -39,493 +39,493 @@ #include "v4math.h" LLTemplateMessageReader::LLTemplateMessageReader(message_template_number_map_t& - number_template_map) : - mReceiveSize(0), - mCurrentRMessageTemplate(NULL), - mCurrentRMessageData(NULL), - mMessageNumbers(number_template_map) + number_template_map) : + mReceiveSize(0), + mCurrentRMessageTemplate(NULL), + mCurrentRMessageData(NULL), + mMessageNumbers(number_template_map) { } -//virtual +//virtual LLTemplateMessageReader::~LLTemplateMessageReader() { - delete mCurrentRMessageData; - mCurrentRMessageData = NULL; + delete mCurrentRMessageData; + mCurrentRMessageData = NULL; } //virtual void LLTemplateMessageReader::clearMessage() { - mReceiveSize = -1; - mCurrentRMessageTemplate = NULL; - delete mCurrentRMessageData; - mCurrentRMessageData = NULL; + mReceiveSize = -1; + mCurrentRMessageTemplate = NULL; + delete mCurrentRMessageData; + mCurrentRMessageData = NULL; } void LLTemplateMessageReader::getData(const char *blockname, const char *varname, void *datap, S32 size, S32 blocknum, S32 max_size) { - // is there a message ready to go? - if (mReceiveSize == -1) - { - LL_ERRS() << "No message waiting for decode 2!" << LL_ENDL; - return; - } - - if (!mCurrentRMessageData) - { - LL_ERRS() << "Invalid mCurrentMessageData in getData!" << LL_ENDL; - return; - } - - char *bnamep = (char *)blockname + blocknum; // this works because it's just a hash. The bnamep is never derefference - char *vnamep = (char *)varname; - - LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); - - if (iter == mCurrentRMessageData->mMemberBlocks.end()) - { - LL_ERRS() << "Block " << blockname << " #" << blocknum - << " not in message " << mCurrentRMessageData->mName << LL_ENDL; - return; - } - - LLMsgBlkData *msg_block_data = iter->second; - LLMsgBlkData::msg_var_data_map_t &var_data_map = msg_block_data->mMemberVarData; - - if (var_data_map.find(vnamep) == var_data_map.end()) - { - LL_ERRS() << "Variable "<< vnamep << " not in message " - << mCurrentRMessageData->mName<< " block " << bnamep << LL_ENDL; - return; - } - - LLMsgVarData& vardata = msg_block_data->mMemberVarData[vnamep]; - - if (size && size != vardata.getSize()) - { - LL_ERRS() << "Msg " << mCurrentRMessageData->mName - << " variable " << vnamep - << " is size " << vardata.getSize() - << " but copying into buffer of size " << size - << LL_ENDL; - return; - } - - - const S32 vardata_size = vardata.getSize(); - if( max_size >= vardata_size ) - { - switch( vardata_size ) - { - case 1: - *((U8*)datap) = *((U8*)vardata.getData()); - break; - case 2: - *((U16*)datap) = *((U16*)vardata.getData()); - break; - case 4: - *((U32*)datap) = *((U32*)vardata.getData()); - break; - case 8: - ((U32*)datap)[0] = ((U32*)vardata.getData())[0]; - ((U32*)datap)[1] = ((U32*)vardata.getData())[1]; - break; - default: - memcpy(datap, vardata.getData(), vardata_size); - break; - } - } - else - { - LL_WARNS() << "Msg " << mCurrentRMessageData->mName - << " variable " << vnamep - << " is size " << vardata.getSize() - << " but truncated to max size of " << max_size - << LL_ENDL; - - memcpy(datap, vardata.getData(), max_size); - } + // is there a message ready to go? + if (mReceiveSize == -1) + { + LL_ERRS() << "No message waiting for decode 2!" << LL_ENDL; + return; + } + + if (!mCurrentRMessageData) + { + LL_ERRS() << "Invalid mCurrentMessageData in getData!" << LL_ENDL; + return; + } + + char *bnamep = (char *)blockname + blocknum; // this works because it's just a hash. The bnamep is never derefference + char *vnamep = (char *)varname; + + LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); + + if (iter == mCurrentRMessageData->mMemberBlocks.end()) + { + LL_ERRS() << "Block " << blockname << " #" << blocknum + << " not in message " << mCurrentRMessageData->mName << LL_ENDL; + return; + } + + LLMsgBlkData *msg_block_data = iter->second; + LLMsgBlkData::msg_var_data_map_t &var_data_map = msg_block_data->mMemberVarData; + + if (var_data_map.find(vnamep) == var_data_map.end()) + { + LL_ERRS() << "Variable "<< vnamep << " not in message " + << mCurrentRMessageData->mName<< " block " << bnamep << LL_ENDL; + return; + } + + LLMsgVarData& vardata = msg_block_data->mMemberVarData[vnamep]; + + if (size && size != vardata.getSize()) + { + LL_ERRS() << "Msg " << mCurrentRMessageData->mName + << " variable " << vnamep + << " is size " << vardata.getSize() + << " but copying into buffer of size " << size + << LL_ENDL; + return; + } + + + const S32 vardata_size = vardata.getSize(); + if( max_size >= vardata_size ) + { + switch( vardata_size ) + { + case 1: + *((U8*)datap) = *((U8*)vardata.getData()); + break; + case 2: + *((U16*)datap) = *((U16*)vardata.getData()); + break; + case 4: + *((U32*)datap) = *((U32*)vardata.getData()); + break; + case 8: + ((U32*)datap)[0] = ((U32*)vardata.getData())[0]; + ((U32*)datap)[1] = ((U32*)vardata.getData())[1]; + break; + default: + memcpy(datap, vardata.getData(), vardata_size); + break; + } + } + else + { + LL_WARNS() << "Msg " << mCurrentRMessageData->mName + << " variable " << vnamep + << " is size " << vardata.getSize() + << " but truncated to max size of " << max_size + << LL_ENDL; + + memcpy(datap, vardata.getData(), max_size); + } } S32 LLTemplateMessageReader::getNumberOfBlocks(const char *blockname) { - // is there a message ready to go? - if (mReceiveSize == -1) - { - LL_ERRS() << "No message waiting for decode 3!" << LL_ENDL; - return -1; - } + // is there a message ready to go? + if (mReceiveSize == -1) + { + LL_ERRS() << "No message waiting for decode 3!" << LL_ENDL; + return -1; + } - if (!mCurrentRMessageData) - { - LL_ERRS() << "Invalid mCurrentRMessageData in getData!" << LL_ENDL; - return -1; - } + if (!mCurrentRMessageData) + { + LL_ERRS() << "Invalid mCurrentRMessageData in getData!" << LL_ENDL; + return -1; + } - char *bnamep = (char *)blockname; + char *bnamep = (char *)blockname; - LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); - - if (iter == mCurrentRMessageData->mMemberBlocks.end()) - { - return 0; - } + LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); + + if (iter == mCurrentRMessageData->mMemberBlocks.end()) + { + return 0; + } - return (iter->second)->mBlockNumber; + return (iter->second)->mBlockNumber; } S32 LLTemplateMessageReader::getSize(const char *blockname, const char *varname) { - // is there a message ready to go? - if (mReceiveSize == -1) - { // This is a serious error - crash - LL_ERRS() << "No message waiting for decode 4!" << LL_ENDL; - return LL_MESSAGE_ERROR; - } - - if (!mCurrentRMessageData) - { // This is a serious error - crash - LL_ERRS() << "Invalid mCurrentRMessageData in getData!" << LL_ENDL; - return LL_MESSAGE_ERROR; - } - - char *bnamep = (char *)blockname; - - LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); - - if (iter == mCurrentRMessageData->mMemberBlocks.end()) - { // don't crash - LL_INFOS() << "Block " << bnamep << " not in message " - << mCurrentRMessageData->mName << LL_ENDL; - return LL_BLOCK_NOT_IN_MESSAGE; - } - - char *vnamep = (char *)varname; - - LLMsgBlkData* msg_data = iter->second; - LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep]; - - if (!vardata.getName()) - { // don't crash - LL_INFOS() << "Variable " << varname << " not in message " - << mCurrentRMessageData->mName << " block " << bnamep << LL_ENDL; - return LL_VARIABLE_NOT_IN_BLOCK; - } - - if (mCurrentRMessageTemplate->mMemberBlocks[bnamep]->mType != MBT_SINGLE) - { // This is a serious error - crash - LL_ERRS() << "Block " << bnamep << " isn't type MBT_SINGLE," - " use getSize with blocknum argument!" << LL_ENDL; - return LL_MESSAGE_ERROR; - } - - return vardata.getSize(); + // is there a message ready to go? + if (mReceiveSize == -1) + { // This is a serious error - crash + LL_ERRS() << "No message waiting for decode 4!" << LL_ENDL; + return LL_MESSAGE_ERROR; + } + + if (!mCurrentRMessageData) + { // This is a serious error - crash + LL_ERRS() << "Invalid mCurrentRMessageData in getData!" << LL_ENDL; + return LL_MESSAGE_ERROR; + } + + char *bnamep = (char *)blockname; + + LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); + + if (iter == mCurrentRMessageData->mMemberBlocks.end()) + { // don't crash + LL_INFOS() << "Block " << bnamep << " not in message " + << mCurrentRMessageData->mName << LL_ENDL; + return LL_BLOCK_NOT_IN_MESSAGE; + } + + char *vnamep = (char *)varname; + + LLMsgBlkData* msg_data = iter->second; + LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep]; + + if (!vardata.getName()) + { // don't crash + LL_INFOS() << "Variable " << varname << " not in message " + << mCurrentRMessageData->mName << " block " << bnamep << LL_ENDL; + return LL_VARIABLE_NOT_IN_BLOCK; + } + + if (mCurrentRMessageTemplate->mMemberBlocks[bnamep]->mType != MBT_SINGLE) + { // This is a serious error - crash + LL_ERRS() << "Block " << bnamep << " isn't type MBT_SINGLE," + " use getSize with blocknum argument!" << LL_ENDL; + return LL_MESSAGE_ERROR; + } + + return vardata.getSize(); } S32 LLTemplateMessageReader::getSize(const char *blockname, S32 blocknum, const char *varname) { - // is there a message ready to go? - if (mReceiveSize == -1) - { // This is a serious error - crash - LL_ERRS() << "No message waiting for decode 5!" << LL_ENDL; - return LL_MESSAGE_ERROR; - } + // is there a message ready to go? + if (mReceiveSize == -1) + { // This is a serious error - crash + LL_ERRS() << "No message waiting for decode 5!" << LL_ENDL; + return LL_MESSAGE_ERROR; + } - if (!mCurrentRMessageData) - { // This is a serious error - crash - LL_ERRS() << "Invalid mCurrentRMessageData in getData!" << LL_ENDL; - return LL_MESSAGE_ERROR; - } + if (!mCurrentRMessageData) + { // This is a serious error - crash + LL_ERRS() << "Invalid mCurrentRMessageData in getData!" << LL_ENDL; + return LL_MESSAGE_ERROR; + } + + char *bnamep = (char *)blockname + blocknum; + char *vnamep = (char *)varname; - char *bnamep = (char *)blockname + blocknum; - char *vnamep = (char *)varname; + LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); + + if (iter == mCurrentRMessageData->mMemberBlocks.end()) + { // don't crash + LL_INFOS() << "Block " << bnamep << " not in message " + << mCurrentRMessageData->mName << LL_ENDL; + return LL_BLOCK_NOT_IN_MESSAGE; + } - LLMsgData::msg_blk_data_map_t::const_iterator iter = mCurrentRMessageData->mMemberBlocks.find(bnamep); - - if (iter == mCurrentRMessageData->mMemberBlocks.end()) - { // don't crash - LL_INFOS() << "Block " << bnamep << " not in message " - << mCurrentRMessageData->mName << LL_ENDL; - return LL_BLOCK_NOT_IN_MESSAGE; - } + LLMsgBlkData* msg_data = iter->second; + LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep]; - LLMsgBlkData* msg_data = iter->second; - LLMsgVarData& vardata = msg_data->mMemberVarData[vnamep]; - - if (!vardata.getName()) - { // don't crash - LL_INFOS() << "Variable " << vnamep << " not in message " - << mCurrentRMessageData->mName << " block " << bnamep << LL_ENDL; - return LL_VARIABLE_NOT_IN_BLOCK; - } + if (!vardata.getName()) + { // don't crash + LL_INFOS() << "Variable " << vnamep << " not in message " + << mCurrentRMessageData->mName << " block " << bnamep << LL_ENDL; + return LL_VARIABLE_NOT_IN_BLOCK; + } - return vardata.getSize(); + return vardata.getSize(); } -void LLTemplateMessageReader::getBinaryData(const char *blockname, - const char *varname, void *datap, - S32 size, S32 blocknum, - S32 max_size) +void LLTemplateMessageReader::getBinaryData(const char *blockname, + const char *varname, void *datap, + S32 size, S32 blocknum, + S32 max_size) { - getData(blockname, varname, datap, size, blocknum, max_size); + getData(blockname, varname, datap, size, blocknum, max_size); } -void LLTemplateMessageReader::getS8(const char *block, const char *var, - S8 &u, S32 blocknum) +void LLTemplateMessageReader::getS8(const char *block, const char *var, + S8 &u, S32 blocknum) { - getData(block, var, &u, sizeof(S8), blocknum); + getData(block, var, &u, sizeof(S8), blocknum); } -void LLTemplateMessageReader::getU8(const char *block, const char *var, - U8 &u, S32 blocknum) +void LLTemplateMessageReader::getU8(const char *block, const char *var, + U8 &u, S32 blocknum) { - getData(block, var, &u, sizeof(U8), blocknum); + getData(block, var, &u, sizeof(U8), blocknum); } -void LLTemplateMessageReader::getBOOL(const char *block, const char *var, - BOOL &b, S32 blocknum ) +void LLTemplateMessageReader::getBOOL(const char *block, const char *var, + BOOL &b, S32 blocknum ) { - U8 value; - getData(block, var, &value, sizeof(U8), blocknum); - b = (BOOL) value; + U8 value; + getData(block, var, &value, sizeof(U8), blocknum); + b = (BOOL) value; } -void LLTemplateMessageReader::getS16(const char *block, const char *var, - S16 &d, S32 blocknum) +void LLTemplateMessageReader::getS16(const char *block, const char *var, + S16 &d, S32 blocknum) { - getData(block, var, &d, sizeof(S16), blocknum); + getData(block, var, &d, sizeof(S16), blocknum); } -void LLTemplateMessageReader::getU16(const char *block, const char *var, - U16 &d, S32 blocknum) +void LLTemplateMessageReader::getU16(const char *block, const char *var, + U16 &d, S32 blocknum) { - getData(block, var, &d, sizeof(U16), blocknum); + getData(block, var, &d, sizeof(U16), blocknum); } -void LLTemplateMessageReader::getS32(const char *block, const char *var, - S32 &d, S32 blocknum) +void LLTemplateMessageReader::getS32(const char *block, const char *var, + S32 &d, S32 blocknum) { - getData(block, var, &d, sizeof(S32), blocknum); + getData(block, var, &d, sizeof(S32), blocknum); } -void LLTemplateMessageReader::getU32(const char *block, const char *var, - U32 &d, S32 blocknum) +void LLTemplateMessageReader::getU32(const char *block, const char *var, + U32 &d, S32 blocknum) { - getData(block, var, &d, sizeof(U32), blocknum); + getData(block, var, &d, sizeof(U32), blocknum); } -void LLTemplateMessageReader::getU64(const char *block, const char *var, - U64 &d, S32 blocknum) +void LLTemplateMessageReader::getU64(const char *block, const char *var, + U64 &d, S32 blocknum) { - getData(block, var, &d, sizeof(U64), blocknum); + getData(block, var, &d, sizeof(U64), blocknum); } -void LLTemplateMessageReader::getF32(const char *block, const char *var, - F32 &d, S32 blocknum) +void LLTemplateMessageReader::getF32(const char *block, const char *var, + F32 &d, S32 blocknum) { - getData(block, var, &d, sizeof(F32), blocknum); + getData(block, var, &d, sizeof(F32), blocknum); - if( !llfinite( d ) ) - { - LL_WARNS() << "non-finite in getF32Fast " << block << " " << var - << LL_ENDL; - d = 0; - } + if( !llfinite( d ) ) + { + LL_WARNS() << "non-finite in getF32Fast " << block << " " << var + << LL_ENDL; + d = 0; + } } -void LLTemplateMessageReader::getF64(const char *block, const char *var, - F64 &d, S32 blocknum) +void LLTemplateMessageReader::getF64(const char *block, const char *var, + F64 &d, S32 blocknum) { - getData(block, var, &d, sizeof(F64), blocknum); + getData(block, var, &d, sizeof(F64), blocknum); - if( !llfinite( d ) ) - { - LL_WARNS() << "non-finite in getF64Fast " << block << " " << var - << LL_ENDL; - d = 0; - } + if( !llfinite( d ) ) + { + LL_WARNS() << "non-finite in getF64Fast " << block << " " << var + << LL_ENDL; + d = 0; + } } -void LLTemplateMessageReader::getVector3(const char *block, const char *var, - LLVector3 &v, S32 blocknum ) +void LLTemplateMessageReader::getVector3(const char *block, const char *var, + LLVector3 &v, S32 blocknum ) { - getData(block, var, &v.mV[0], sizeof(v.mV), blocknum); + getData(block, var, &v.mV[0], sizeof(v.mV), blocknum); - if( !v.isFinite() ) - { - LL_WARNS() << "non-finite in getVector3Fast " << block << " " - << var << LL_ENDL; - v.zeroVec(); - } + if( !v.isFinite() ) + { + LL_WARNS() << "non-finite in getVector3Fast " << block << " " + << var << LL_ENDL; + v.zeroVec(); + } } -void LLTemplateMessageReader::getVector4(const char *block, const char *var, - LLVector4 &v, S32 blocknum) +void LLTemplateMessageReader::getVector4(const char *block, const char *var, + LLVector4 &v, S32 blocknum) { - getData(block, var, &v.mV[0], sizeof(v.mV), blocknum); + getData(block, var, &v.mV[0], sizeof(v.mV), blocknum); - if( !v.isFinite() ) - { - LL_WARNS() << "non-finite in getVector4Fast " << block << " " - << var << LL_ENDL; - v.zeroVec(); - } + if( !v.isFinite() ) + { + LL_WARNS() << "non-finite in getVector4Fast " << block << " " + << var << LL_ENDL; + v.zeroVec(); + } } -void LLTemplateMessageReader::getVector3d(const char *block, const char *var, - LLVector3d &v, S32 blocknum ) +void LLTemplateMessageReader::getVector3d(const char *block, const char *var, + LLVector3d &v, S32 blocknum ) { - getData(block, var, &v.mdV[0], sizeof(v.mdV), blocknum); + getData(block, var, &v.mdV[0], sizeof(v.mdV), blocknum); - if( !v.isFinite() ) - { - LL_WARNS() << "non-finite in getVector3dFast " << block << " " - << var << LL_ENDL; - v.zeroVec(); - } + if( !v.isFinite() ) + { + LL_WARNS() << "non-finite in getVector3dFast " << block << " " + << var << LL_ENDL; + v.zeroVec(); + } } -void LLTemplateMessageReader::getQuat(const char *block, const char *var, - LLQuaternion &q, S32 blocknum) +void LLTemplateMessageReader::getQuat(const char *block, const char *var, + LLQuaternion &q, S32 blocknum) { - LLVector3 vec; - getData(block, var, &vec.mV[0], sizeof(vec.mV), blocknum); - if( vec.isFinite() ) - { - q.unpackFromVector3( vec ); - } - else - { - LL_WARNS() << "non-finite in getQuatFast " << block << " " << var - << LL_ENDL; - q.loadIdentity(); - } + LLVector3 vec; + getData(block, var, &vec.mV[0], sizeof(vec.mV), blocknum); + if( vec.isFinite() ) + { + q.unpackFromVector3( vec ); + } + else + { + LL_WARNS() << "non-finite in getQuatFast " << block << " " << var + << LL_ENDL; + q.loadIdentity(); + } } -void LLTemplateMessageReader::getUUID(const char *block, const char *var, - LLUUID &u, S32 blocknum) +void LLTemplateMessageReader::getUUID(const char *block, const char *var, + LLUUID &u, S32 blocknum) { - getData(block, var, &u.mData[0], sizeof(u.mData), blocknum); + getData(block, var, &u.mData[0], sizeof(u.mData), blocknum); } inline void LLTemplateMessageReader::getIPAddr(const char *block, const char *var, U32 &u, S32 blocknum) { - getData(block, var, &u, sizeof(U32), blocknum); + getData(block, var, &u, sizeof(U32), blocknum); } inline void LLTemplateMessageReader::getIPPort(const char *block, const char *var, U16 &u, S32 blocknum) { - getData(block, var, &u, sizeof(U16), blocknum); - u = ntohs(u); + getData(block, var, &u, sizeof(U16), blocknum); + u = ntohs(u); } inline void LLTemplateMessageReader::getString(const char *block, const char *var, S32 buffer_size, char *s, S32 blocknum ) { - s[0] = '\0'; - getData(block, var, s, 0, blocknum, buffer_size); - s[buffer_size - 1] = '\0'; + s[0] = '\0'; + getData(block, var, s, 0, blocknum, buffer_size); + s[buffer_size - 1] = '\0'; } inline void LLTemplateMessageReader::getString(const char *block, const char *var, std::string& outstr, S32 blocknum ) { - char s[MTUBYTES + 1]= {0}; // every element is initialized with 0 - getData(block, var, s, 0, blocknum, MTUBYTES); - s[MTUBYTES] = '\0'; - outstr = s; + char s[MTUBYTES + 1]= {0}; // every element is initialized with 0 + getData(block, var, s, 0, blocknum, MTUBYTES); + s[MTUBYTES] = '\0'; + outstr = s; } -//virtual +//virtual S32 LLTemplateMessageReader::getMessageSize() const { - return mReceiveSize; + return mReceiveSize; } // Returns template for the message contained in buffer -BOOL LLTemplateMessageReader::decodeTemplate( - const U8* buffer, S32 buffer_size, // inputs - LLMessageTemplate** msg_template ) // outputs -{ - const U8* header = buffer + LL_PACKET_ID_SIZE; - - // is there a message ready to go? - if (buffer_size <= 0) - { - LL_WARNS() << "No message waiting for decode!" << LL_ENDL; - return(FALSE); - } - - U32 num = 0; - - if (header[0] != 255) - { - // high frequency message - num = header[0]; - } - else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 1)) && (header[1] != 255)) - { - // medium frequency message - num = (255 << 8) | header[1]; - } - else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 3)) && (header[1] == 255)) - { - // low frequency message - U16 message_id_U16 = 0; - // I think this check busts the message system. - // it appears that if there is a NULL in the message #, it won't copy it.... - // what was the goal? - //if(header[2]) - memcpy(&message_id_U16, &header[2], 2); - - // dependant on endian-ness: - // U32 temp = (255 << 24) | (255 << 16) | header[2]; - - // independant of endian-ness: - message_id_U16 = ntohs(message_id_U16); - num = 0xFFFF0000 | message_id_U16; - } - else // bogus packet received (too short) - { - LL_WARNS() << "Packet with unusable length received (too short): " - << buffer_size << LL_ENDL; - return(FALSE); - } - - LLMessageTemplate* temp = get_ptr_in_map(mMessageNumbers,num); - if (temp) - { - *msg_template = temp; - } - else - { +BOOL LLTemplateMessageReader::decodeTemplate( + const U8* buffer, S32 buffer_size, // inputs + LLMessageTemplate** msg_template ) // outputs +{ + const U8* header = buffer + LL_PACKET_ID_SIZE; + + // is there a message ready to go? + if (buffer_size <= 0) + { + LL_WARNS() << "No message waiting for decode!" << LL_ENDL; + return(FALSE); + } + + U32 num = 0; + + if (header[0] != 255) + { + // high frequency message + num = header[0]; + } + else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 1)) && (header[1] != 255)) + { + // medium frequency message + num = (255 << 8) | header[1]; + } + else if ((buffer_size >= ((S32) LL_MINIMUM_VALID_PACKET_SIZE + 3)) && (header[1] == 255)) + { + // low frequency message + U16 message_id_U16 = 0; + // I think this check busts the message system. + // it appears that if there is a NULL in the message #, it won't copy it.... + // what was the goal? + //if(header[2]) + memcpy(&message_id_U16, &header[2], 2); + + // dependant on endian-ness: + // U32 temp = (255 << 24) | (255 << 16) | header[2]; + + // independant of endian-ness: + message_id_U16 = ntohs(message_id_U16); + num = 0xFFFF0000 | message_id_U16; + } + else // bogus packet received (too short) + { + LL_WARNS() << "Packet with unusable length received (too short): " + << buffer_size << LL_ENDL; + return(FALSE); + } + + LLMessageTemplate* temp = get_ptr_in_map(mMessageNumbers,num); + if (temp) + { + *msg_template = temp; + } + else + { // MAINT-7482 - make viewer more tolerant of unknown messages. - LL_WARNS_ONCE() << "Message #" << std::hex << num << std::dec + LL_WARNS_ONCE() << "Message #" << std::hex << num << std::dec << " received but not registered!" << LL_ENDL; - //gMessageSystem->callExceptionFunc(MX_UNREGISTERED_MESSAGE); - return(FALSE); - } + //gMessageSystem->callExceptionFunc(MX_UNREGISTERED_MESSAGE); + return(FALSE); + } - return(TRUE); + return(TRUE); } void LLTemplateMessageReader::logRanOffEndOfPacket( const LLHost& host, const S32 where, const S32 wanted ) { - // we've run off the end of the packet! - LL_WARNS() << "Ran off end of packet " << mCurrentRMessageTemplate->mName -// << " with id " << mCurrentRecvPacketID - << " from " << host - << " trying to read " << wanted - << " bytes at position " << where - << " going past packet end at " << mReceiveSize - << LL_ENDL; - if(gMessageSystem->mVerboseLog) - { - LL_INFOS() << "MSG: -> " << host << "\tREAD PAST END:\t" -// << mCurrentRecvPacketID << " " - << getMessageName() << LL_ENDL; - } - gMessageSystem->callExceptionFunc(MX_RAN_OFF_END_OF_PACKET); + // we've run off the end of the packet! + LL_WARNS() << "Ran off end of packet " << mCurrentRMessageTemplate->mName +// << " with id " << mCurrentRecvPacketID + << " from " << host + << " trying to read " << wanted + << " bytes at position " << where + << " going past packet end at " << mReceiveSize + << LL_ENDL; + if(gMessageSystem->mVerboseLog) + { + LL_INFOS() << "MSG: -> " << host << "\tREAD PAST END:\t" +// << mCurrentRecvPacketID << " " + << getMessageName() << LL_ENDL; + } + gMessageSystem->callExceptionFunc(MX_RAN_OFF_END_OF_PACKET); } static LLTrace::BlockTimerStatHandle FTM_PROCESS_MESSAGES("Process Messages"); @@ -535,296 +535,296 @@ BOOL LLTemplateMessageReader::decodeData(const U8* buffer, const LLHost& sender { LL_RECORD_BLOCK_TIME(FTM_PROCESS_MESSAGES); - llassert( mReceiveSize >= 0 ); - llassert( mCurrentRMessageTemplate); - llassert( !mCurrentRMessageData ); - delete mCurrentRMessageData; // just to make sure - - // The offset tells us how may bytes to skip after the end of the - // message name. - U8 offset = buffer[PHL_OFFSET]; - S32 decode_pos = LL_PACKET_ID_SIZE + (S32)(mCurrentRMessageTemplate->mFrequency) + offset; - - // create base working data set - mCurrentRMessageData = new LLMsgData(mCurrentRMessageTemplate->mName); - - // loop through the template building the data structure as we go - LLMessageTemplate::message_block_map_t::const_iterator iter; - for(iter = mCurrentRMessageTemplate->mMemberBlocks.begin(); - iter != mCurrentRMessageTemplate->mMemberBlocks.end(); - ++iter) - { - LLMessageBlock* mbci = *iter; - U8 repeat_number; - S32 i; - - // how many of this block? - - if (mbci->mType == MBT_SINGLE) - { - // just one - repeat_number = 1; - } - else if (mbci->mType == MBT_MULTIPLE) - { - // a known number - repeat_number = mbci->mNumber; - } - else if (mbci->mType == MBT_VARIABLE) - { - // need to read the number from the message - // repeat number is a single byte - if (decode_pos >= mReceiveSize) - { - // commented out - hetgrid says that missing variable blocks - // at end of message are legal - // logRanOffEndOfPacket(sender, decode_pos, 1); - - // default to 0 repeats - repeat_number = 0; - } - else - { - repeat_number = buffer[decode_pos]; - decode_pos++; - } - } - else - { - LL_ERRS() << "Unknown block type" << LL_ENDL; - return FALSE; - } - - LLMsgBlkData* cur_data_block = NULL; - - // now loop through the block - for (i = 0; i < repeat_number; i++) - { - if (i) - { - // build new name to prevent collisions - // TODO: This should really change to a vector - cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number); - cur_data_block->mName = mbci->mName + i; - } - else - { - cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number); - } - - // add the block to the message - mCurrentRMessageData->addBlock(cur_data_block); - - // now read the variables - for (LLMessageBlock::message_variable_map_t::const_iterator iter = - mbci->mMemberVariables.begin(); - iter != mbci->mMemberVariables.end(); iter++) - { - const LLMessageVariable& mvci = **iter; - - // ok, build out the variables - // add variable block - cur_data_block->addVariable(mvci.getName(), mvci.getType()); - - // what type of variable? - if (mvci.getType() == MVT_VARIABLE) - { - // variable, get the number of bytes to read from the template - S32 data_size = mvci.getSize(); - U8 tsizeb = 0; - U16 tsizeh = 0; - U32 tsize = 0; - - if ((decode_pos + data_size) > mReceiveSize) - { - logRanOffEndOfPacket(sender, decode_pos, data_size); - - // default to 0 length variable blocks - tsize = 0; - } - else - { - switch(data_size) - { - case 1: - htolememcpy(&tsizeb, &buffer[decode_pos], MVT_U8, 1); - tsize = tsizeb; - break; - case 2: - htolememcpy(&tsizeh, &buffer[decode_pos], MVT_U16, 2); - tsize = tsizeh; - break; - case 4: - htolememcpy(&tsize, &buffer[decode_pos], MVT_U32, 4); - break; - default: - LL_ERRS() << "Attempting to read variable field with unknown size of " << data_size << LL_ENDL; - break; - } - } - decode_pos += data_size; - - cur_data_block->addData(mvci.getName(), &buffer[decode_pos], tsize, mvci.getType()); - decode_pos += tsize; - } - else - { - // fixed! - // so, copy data pointer and set data size to fixed size - if ((decode_pos + mvci.getSize()) > mReceiveSize) - { - logRanOffEndOfPacket(sender, decode_pos, mvci.getSize()); - - // default to 0s. - U32 size = mvci.getSize(); - std::vector<U8> data(size, 0); - cur_data_block->addData(mvci.getName(), &(data[0]), - size, mvci.getType()); - } - else - { - cur_data_block->addData(mvci.getName(), - &buffer[decode_pos], - mvci.getSize(), - mvci.getType()); - } - decode_pos += mvci.getSize(); - } - } - } - } - - if (mCurrentRMessageData->mMemberBlocks.empty() - && !mCurrentRMessageTemplate->mMemberBlocks.empty()) - { - LL_DEBUGS() << "Empty message '" << mCurrentRMessageTemplate->mName << "' (no blocks)" << LL_ENDL; - return FALSE; - } - - { - static LLTimer decode_timer; - - if(LLMessageReader::getTimeDecodes() || gMessageSystem->getTimingCallback()) - { - decode_timer.reset(); - } - - if( !mCurrentRMessageTemplate->callHandlerFunc(gMessageSystem) ) - { - LL_WARNS() << "Message from " << sender << " with no handler function received: " << mCurrentRMessageTemplate->mName << LL_ENDL; - } - - if(LLMessageReader::getTimeDecodes() || gMessageSystem->getTimingCallback()) - { - F32 decode_time = decode_timer.getElapsedTimeF32(); - - if (gMessageSystem->getTimingCallback()) - { - (gMessageSystem->getTimingCallback())(mCurrentRMessageTemplate->mName, - decode_time, - gMessageSystem->getTimingCallbackData()); - } - - if (LLMessageReader::getTimeDecodes()) - { - mCurrentRMessageTemplate->mDecodeTimeThisFrame += decode_time; - - mCurrentRMessageTemplate->mTotalDecoded++; - mCurrentRMessageTemplate->mTotalDecodeTime += decode_time; - - if( mCurrentRMessageTemplate->mMaxDecodeTimePerMsg < decode_time ) - { - mCurrentRMessageTemplate->mMaxDecodeTimePerMsg = decode_time; - } - - - if(decode_time > LLMessageReader::getTimeDecodesSpamThreshold()) - { - LL_DEBUGS() << "--------- Message " << mCurrentRMessageTemplate->mName << " decode took " << decode_time << " seconds. (" << - mCurrentRMessageTemplate->mMaxDecodeTimePerMsg << " max, " << - (mCurrentRMessageTemplate->mTotalDecodeTime / mCurrentRMessageTemplate->mTotalDecoded) << " avg)" << LL_ENDL; - } - } - } - } - return TRUE; -} - -BOOL LLTemplateMessageReader::validateMessage(const U8* buffer, - S32 buffer_size, - const LLHost& sender, - bool trusted) -{ - mReceiveSize = buffer_size; - BOOL valid = decodeTemplate(buffer, buffer_size, &mCurrentRMessageTemplate ); - if(valid) - { - mCurrentRMessageTemplate->mReceiveCount++; - //LL_DEBUGS() << "MessageRecvd:" - // << mCurrentRMessageTemplate->mName - // << " from " << sender << LL_ENDL; - } - - if (valid && isBanned(trusted)) - { - LL_WARNS("Messaging") << "LLMessageSystem::checkMessages " - << "received banned message " - << getMessageName() - << " from " - << ((trusted) ? "trusted " : "untrusted ") - << sender << LL_ENDL; - valid = FALSE; - } - - if(valid && isUdpBanned()) - { - LL_WARNS() << "Received UDP black listed message " - << getMessageName() - << " from " << sender << LL_ENDL; - valid = FALSE; - } - return valid; -} - -BOOL LLTemplateMessageReader::readMessage(const U8* buffer, - const LLHost& sender) -{ - return decodeData(buffer, sender); -} - -//virtual + llassert( mReceiveSize >= 0 ); + llassert( mCurrentRMessageTemplate); + llassert( !mCurrentRMessageData ); + delete mCurrentRMessageData; // just to make sure + + // The offset tells us how may bytes to skip after the end of the + // message name. + U8 offset = buffer[PHL_OFFSET]; + S32 decode_pos = LL_PACKET_ID_SIZE + (S32)(mCurrentRMessageTemplate->mFrequency) + offset; + + // create base working data set + mCurrentRMessageData = new LLMsgData(mCurrentRMessageTemplate->mName); + + // loop through the template building the data structure as we go + LLMessageTemplate::message_block_map_t::const_iterator iter; + for(iter = mCurrentRMessageTemplate->mMemberBlocks.begin(); + iter != mCurrentRMessageTemplate->mMemberBlocks.end(); + ++iter) + { + LLMessageBlock* mbci = *iter; + U8 repeat_number; + S32 i; + + // how many of this block? + + if (mbci->mType == MBT_SINGLE) + { + // just one + repeat_number = 1; + } + else if (mbci->mType == MBT_MULTIPLE) + { + // a known number + repeat_number = mbci->mNumber; + } + else if (mbci->mType == MBT_VARIABLE) + { + // need to read the number from the message + // repeat number is a single byte + if (decode_pos >= mReceiveSize) + { + // commented out - hetgrid says that missing variable blocks + // at end of message are legal + // logRanOffEndOfPacket(sender, decode_pos, 1); + + // default to 0 repeats + repeat_number = 0; + } + else + { + repeat_number = buffer[decode_pos]; + decode_pos++; + } + } + else + { + LL_ERRS() << "Unknown block type" << LL_ENDL; + return FALSE; + } + + LLMsgBlkData* cur_data_block = NULL; + + // now loop through the block + for (i = 0; i < repeat_number; i++) + { + if (i) + { + // build new name to prevent collisions + // TODO: This should really change to a vector + cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number); + cur_data_block->mName = mbci->mName + i; + } + else + { + cur_data_block = new LLMsgBlkData(mbci->mName, repeat_number); + } + + // add the block to the message + mCurrentRMessageData->addBlock(cur_data_block); + + // now read the variables + for (LLMessageBlock::message_variable_map_t::const_iterator iter = + mbci->mMemberVariables.begin(); + iter != mbci->mMemberVariables.end(); iter++) + { + const LLMessageVariable& mvci = **iter; + + // ok, build out the variables + // add variable block + cur_data_block->addVariable(mvci.getName(), mvci.getType()); + + // what type of variable? + if (mvci.getType() == MVT_VARIABLE) + { + // variable, get the number of bytes to read from the template + S32 data_size = mvci.getSize(); + U8 tsizeb = 0; + U16 tsizeh = 0; + U32 tsize = 0; + + if ((decode_pos + data_size) > mReceiveSize) + { + logRanOffEndOfPacket(sender, decode_pos, data_size); + + // default to 0 length variable blocks + tsize = 0; + } + else + { + switch(data_size) + { + case 1: + htolememcpy(&tsizeb, &buffer[decode_pos], MVT_U8, 1); + tsize = tsizeb; + break; + case 2: + htolememcpy(&tsizeh, &buffer[decode_pos], MVT_U16, 2); + tsize = tsizeh; + break; + case 4: + htolememcpy(&tsize, &buffer[decode_pos], MVT_U32, 4); + break; + default: + LL_ERRS() << "Attempting to read variable field with unknown size of " << data_size << LL_ENDL; + break; + } + } + decode_pos += data_size; + + cur_data_block->addData(mvci.getName(), &buffer[decode_pos], tsize, mvci.getType()); + decode_pos += tsize; + } + else + { + // fixed! + // so, copy data pointer and set data size to fixed size + if ((decode_pos + mvci.getSize()) > mReceiveSize) + { + logRanOffEndOfPacket(sender, decode_pos, mvci.getSize()); + + // default to 0s. + U32 size = mvci.getSize(); + std::vector<U8> data(size, 0); + cur_data_block->addData(mvci.getName(), &(data[0]), + size, mvci.getType()); + } + else + { + cur_data_block->addData(mvci.getName(), + &buffer[decode_pos], + mvci.getSize(), + mvci.getType()); + } + decode_pos += mvci.getSize(); + } + } + } + } + + if (mCurrentRMessageData->mMemberBlocks.empty() + && !mCurrentRMessageTemplate->mMemberBlocks.empty()) + { + LL_DEBUGS() << "Empty message '" << mCurrentRMessageTemplate->mName << "' (no blocks)" << LL_ENDL; + return FALSE; + } + + { + static LLTimer decode_timer; + + if(LLMessageReader::getTimeDecodes() || gMessageSystem->getTimingCallback()) + { + decode_timer.reset(); + } + + if( !mCurrentRMessageTemplate->callHandlerFunc(gMessageSystem) ) + { + LL_WARNS() << "Message from " << sender << " with no handler function received: " << mCurrentRMessageTemplate->mName << LL_ENDL; + } + + if(LLMessageReader::getTimeDecodes() || gMessageSystem->getTimingCallback()) + { + F32 decode_time = decode_timer.getElapsedTimeF32(); + + if (gMessageSystem->getTimingCallback()) + { + (gMessageSystem->getTimingCallback())(mCurrentRMessageTemplate->mName, + decode_time, + gMessageSystem->getTimingCallbackData()); + } + + if (LLMessageReader::getTimeDecodes()) + { + mCurrentRMessageTemplate->mDecodeTimeThisFrame += decode_time; + + mCurrentRMessageTemplate->mTotalDecoded++; + mCurrentRMessageTemplate->mTotalDecodeTime += decode_time; + + if( mCurrentRMessageTemplate->mMaxDecodeTimePerMsg < decode_time ) + { + mCurrentRMessageTemplate->mMaxDecodeTimePerMsg = decode_time; + } + + + if(decode_time > LLMessageReader::getTimeDecodesSpamThreshold()) + { + LL_DEBUGS() << "--------- Message " << mCurrentRMessageTemplate->mName << " decode took " << decode_time << " seconds. (" << + mCurrentRMessageTemplate->mMaxDecodeTimePerMsg << " max, " << + (mCurrentRMessageTemplate->mTotalDecodeTime / mCurrentRMessageTemplate->mTotalDecoded) << " avg)" << LL_ENDL; + } + } + } + } + return TRUE; +} + +BOOL LLTemplateMessageReader::validateMessage(const U8* buffer, + S32 buffer_size, + const LLHost& sender, + bool trusted) +{ + mReceiveSize = buffer_size; + BOOL valid = decodeTemplate(buffer, buffer_size, &mCurrentRMessageTemplate ); + if(valid) + { + mCurrentRMessageTemplate->mReceiveCount++; + //LL_DEBUGS() << "MessageRecvd:" + // << mCurrentRMessageTemplate->mName + // << " from " << sender << LL_ENDL; + } + + if (valid && isBanned(trusted)) + { + LL_WARNS("Messaging") << "LLMessageSystem::checkMessages " + << "received banned message " + << getMessageName() + << " from " + << ((trusted) ? "trusted " : "untrusted ") + << sender << LL_ENDL; + valid = FALSE; + } + + if(valid && isUdpBanned()) + { + LL_WARNS() << "Received UDP black listed message " + << getMessageName() + << " from " << sender << LL_ENDL; + valid = FALSE; + } + return valid; +} + +BOOL LLTemplateMessageReader::readMessage(const U8* buffer, + const LLHost& sender) +{ + return decodeData(buffer, sender); +} + +//virtual const char* LLTemplateMessageReader::getMessageName() const { - if (!mCurrentRMessageTemplate) - { - // no message currently being read - return ""; - } - return mCurrentRMessageTemplate->mName; + if (!mCurrentRMessageTemplate) + { + // no message currently being read + return ""; + } + return mCurrentRMessageTemplate->mName; } -//virtual +//virtual bool LLTemplateMessageReader::isTrusted() const { - return mCurrentRMessageTemplate->getTrust() == MT_TRUST; + return mCurrentRMessageTemplate->getTrust() == MT_TRUST; } bool LLTemplateMessageReader::isBanned(bool trustedSource) const { - return mCurrentRMessageTemplate->isBanned(trustedSource); + return mCurrentRMessageTemplate->isBanned(trustedSource); } bool LLTemplateMessageReader::isUdpBanned() const { - return mCurrentRMessageTemplate->isUdpBanned(); + return mCurrentRMessageTemplate->isUdpBanned(); } -//virtual +//virtual void LLTemplateMessageReader::copyToBuilder(LLMessageBuilder& builder) const { - if(NULL == mCurrentRMessageTemplate) + if(NULL == mCurrentRMessageTemplate) { return; } - builder.copyFromMessageData(*mCurrentRMessageData); + builder.copyFromMessageData(*mCurrentRMessageData); } |