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llinstantmessage.cpp 9.83 KiB
/**
* @file llinstantmessage.cpp
* @author Phoenix
* @date 2005-08-29
* @brief Constants and functions used in IM.
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* 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 "lldbstrings.h"
#include "llinstantmessage.h"
#include "llhost.h"
#include "lluuid.h"
#include "llsd.h"
#include "llsdserialize.h"
#include "llsdutil_math.h"
#include "llpointer.h"
#include "message.h"
#include "message.h"
const U8 IM_ONLINE = 0;
const U8 IM_OFFLINE = 1;
const S32 VOTE_YES = 1;
const S32 VOTE_NO = 0;
const S32 VOTE_ABSTAIN = -1;
const S32 VOTE_MAJORITY = 0;
const S32 VOTE_SUPER_MAJORITY = 1;
const S32 VOTE_UNANIMOUS = 2;
const char EMPTY_BINARY_BUCKET[] = "";
const S32 EMPTY_BINARY_BUCKET_SIZE = 1;
const U32 NO_TIMESTAMP = 0;
const std::string SYSTEM_FROM("Second Life");
const std::string INTERACTIVE_SYSTEM_FROM("F387446C-37C4-45f2-A438-D99CBDBB563B");
const S32 IM_TTL = 1;
/**
* LLIMInfo
*/
LLIMInfo::LLIMInfo() :
mFromGroup(FALSE),
mParentEstateID(0),
mOffline(0),
mViewerThinksToIsOnline(false),
mIMType(IM_NOTHING_SPECIAL),
mTimeStamp(0),
mSource(IM_FROM_SIM),
mTTL(IM_TTL)
{
}
LLIMInfo::LLIMInfo(
const LLUUID& from_id,
BOOL from_group,
const LLUUID& to_id,
EInstantMessage im_type,
const std::string& name,
const std::string& message,
const LLUUID& id,
U32 parent_estate_id,
const LLUUID& region_id,
const LLVector3& position,
LLSD data,
U8 offline,
U32 timestamp,
EIMSource source,
S32 ttl) :
mFromID(from_id),
mFromGroup(from_group),
mToID(to_id),
mParentEstateID(0),
mRegionID(region_id),
mPosition(position),
mOffline(offline),
mViewerThinksToIsOnline(false),
mIMType(im_type),
mID(id),
mTimeStamp(timestamp),
mName(name),
mMessage(message),
mData(data),
mSource(source),
mTTL(ttl)
{
}
LLIMInfo::LLIMInfo(LLMessageSystem* msg, EIMSource source, S32 ttl) :
mViewerThinksToIsOnline(false),
mSource(source),
mTTL(ttl)
{
unpackMessageBlock(msg);
}
LLIMInfo::~LLIMInfo()
{
}
void LLIMInfo::packInstantMessage(LLMessageSystem* msg) const
{
lldebugs << "LLIMInfo::packInstantMessage()" << llendl;
msg->newMessageFast(_PREHASH_ImprovedInstantMessage);
packMessageBlock(msg);
}
void LLIMInfo::packMessageBlock(LLMessageSystem* msg) const
{
// Construct binary bucket
std::vector<U8> bucket;
if (mData.has("binary_bucket"))
{
bucket = mData["binary_bucket"].asBinary();
}
pack_instant_message_block(
msg,
mFromID,
mFromGroup,
LLUUID::null,
mToID,
mName,
mMessage,
mOffline,
mIMType,
mID,
mParentEstateID,
mRegionID,
mPosition,
mTimeStamp,
&bucket[0],
bucket.size());
}
void pack_instant_message(
LLMessageSystem* msg,
const LLUUID& from_id,
BOOL from_group,
const LLUUID& session_id,
const LLUUID& to_id,
const std::string& name,
const std::string& message,
U8 offline,
EInstantMessage dialog,
const LLUUID& id,
U32 parent_estate_id,
const LLUUID& region_id,
const LLVector3& position,
U32 timestamp,
const U8* binary_bucket,
S32 binary_bucket_size)
{
lldebugs << "pack_instant_message()" << llendl;
msg->newMessageFast(_PREHASH_ImprovedInstantMessage);
pack_instant_message_block(
msg,
from_id,
from_group,
session_id,
to_id,
name,
message,
offline,
dialog,
id,
parent_estate_id,
region_id,
position,
timestamp,
binary_bucket,
binary_bucket_size);
}
void pack_instant_message_block(
LLMessageSystem* msg,
const LLUUID& from_id,
BOOL from_group,
const LLUUID& session_id,
const LLUUID& to_id,
const std::string& name,
const std::string& message,
U8 offline,
EInstantMessage dialog,
const LLUUID& id,
U32 parent_estate_id,
const LLUUID& region_id,
const LLVector3& position,
U32 timestamp,
const U8* binary_bucket,
S32 binary_bucket_size)
{
msg->nextBlockFast(_PREHASH_AgentData);
msg->addUUIDFast(_PREHASH_AgentID, from_id);
msg->addUUIDFast(_PREHASH_SessionID, session_id);
msg->nextBlockFast(_PREHASH_MessageBlock);
msg->addBOOLFast(_PREHASH_FromGroup, from_group);
msg->addUUIDFast(_PREHASH_ToAgentID, to_id);
msg->addU32Fast(_PREHASH_ParentEstateID, parent_estate_id);
msg->addUUIDFast(_PREHASH_RegionID, region_id);
msg->addVector3Fast(_PREHASH_Position, position);
msg->addU8Fast(_PREHASH_Offline, offline);
msg->addU8Fast(_PREHASH_Dialog, (U8) dialog);
msg->addUUIDFast(_PREHASH_ID, id);
msg->addU32Fast(_PREHASH_Timestamp, timestamp);
msg->addStringFast(_PREHASH_FromAgentName, name);
S32 bytes_left = MTUBYTES;
if(!message.empty())
{
char buffer[MTUBYTES];
int num_written = snprintf(buffer, MTUBYTES, "%s", message.c_str()); /* Flawfinder: ignore */
// snprintf returns number of bytes that would have been written
// had the output not being truncated. In that case, it will
// return either -1 or value >= passed in size value . So a check needs to be added
// to detect truncation, and if there is any, only account for the
// actual number of bytes written..and not what could have been
// written.
if (num_written < 0 || num_written >= MTUBYTES)
{
num_written = MTUBYTES - 1;
llwarns << "pack_instant_message_block: message truncated: " << message << llendl;
}
bytes_left -= num_written;
bytes_left = llmax(0, bytes_left);
msg->addStringFast(_PREHASH_Message, buffer);
}
else
{
msg->addStringFast(_PREHASH_Message, NULL);
}
const U8* bb;
if(binary_bucket)
{
bb = binary_bucket;
binary_bucket_size = llmin(bytes_left, binary_bucket_size);
}
else
{
bb = (const U8*)EMPTY_BINARY_BUCKET;
binary_bucket_size = EMPTY_BINARY_BUCKET_SIZE;
}
msg->addBinaryDataFast(_PREHASH_BinaryBucket, bb, binary_bucket_size);
}
void LLIMInfo::unpackMessageBlock(LLMessageSystem* msg)
{
msg->getUUIDFast(_PREHASH_AgentData, _PREHASH_AgentID, mFromID);
msg->getBOOLFast(_PREHASH_MessageBlock, _PREHASH_FromGroup, mFromGroup);
msg->getUUIDFast(_PREHASH_MessageBlock, _PREHASH_ToAgentID, mToID);
msg->getU32Fast(_PREHASH_MessageBlock, _PREHASH_ParentEstateID, mParentEstateID);
msg->getUUIDFast(_PREHASH_MessageBlock, _PREHASH_RegionID, mRegionID);
msg->getVector3Fast(_PREHASH_MessageBlock, _PREHASH_Position, mPosition);
msg->getU8Fast(_PREHASH_MessageBlock, _PREHASH_Offline, mOffline);
U8 dialog;
msg->getU8Fast(_PREHASH_MessageBlock, _PREHASH_Dialog, dialog);
mIMType = (EInstantMessage) dialog;
msg->getUUIDFast(_PREHASH_MessageBlock, _PREHASH_ID, mID);
msg->getU32Fast(_PREHASH_MessageBlock, _PREHASH_Timestamp, mTimeStamp);
msg->getStringFast(_PREHASH_MessageBlock, _PREHASH_FromAgentName, mName);
msg->getStringFast(_PREHASH_MessageBlock, _PREHASH_Message, mMessage);
S32 binary_bucket_size = llmin(
MTUBYTES,
msg->getSizeFast(
_PREHASH_MessageBlock,
_PREHASH_BinaryBucket));
if(binary_bucket_size > 0)
{
std::vector<U8> bucket;
bucket.resize(binary_bucket_size);
msg->getBinaryDataFast(
_PREHASH_MessageBlock,
_PREHASH_BinaryBucket,
&bucket[0],
0,
0,
binary_bucket_size);
mData["binary_bucket"] = bucket;
}
else
{
mData.clear();
}
}
LLSD im_info_to_llsd(LLPointer<LLIMInfo> im_info)
{
LLSD param_version;
param_version["version"] = 1;
LLSD param_message;
param_message["from_id"] = im_info->mFromID;
param_message["from_group"] = im_info->mFromGroup;
param_message["to_id"] = im_info->mToID;
param_message["from_name"] = im_info->mName;
param_message["message"] = im_info->mMessage;
param_message["type"] = (S32)im_info->mIMType;
param_message["id"] = im_info->mID;
param_message["timestamp"] = (S32)im_info->mTimeStamp;
param_message["offline"] = (S32)im_info->mOffline;
param_message["parent_estate_id"] = (S32)im_info->mParentEstateID;
param_message["region_id"] = im_info->mRegionID;
param_message["position"] = ll_sd_from_vector3(im_info->mPosition);
param_message["data"] = im_info->mData;
param_message["source"]= im_info->mSource;
param_message["ttl"] = im_info->mTTL;
LLSD param_agent;
param_agent["agent_id"] = im_info->mFromID;
LLSD params;
params["version_params"] = param_version;
params["message_params"] = param_message;
params["agent_params"] = param_agent;
return params;
}
LLPointer<LLIMInfo> llsd_to_im_info(const LLSD& im_info_sd)
{
LLSD param_message = im_info_sd["message_params"];
LLSD param_agent = im_info_sd["agent_params"];
LLPointer<LLIMInfo> im_info = new LLIMInfo(
param_message["from_id"].asUUID(),
param_message["from_group"].asBoolean(),
param_message["to_id"].asUUID(),
(EInstantMessage) param_message["type"].asInteger(),
param_message["from_name"].asString(),
param_message["message"].asString(),
param_message["id"].asUUID(),
(U32) param_message["parent_estate_id"].asInteger(),
param_message["region_id"].asUUID(),
ll_vector3_from_sd(param_message["position"]),
param_message["data"],
(U8) param_message["offline"].asInteger(),
(U32) param_message["timestamp"].asInteger(),
(EIMSource)param_message["source"].asInteger(),
param_message["ttl"].asInteger());
return im_info;
}
LLPointer<LLIMInfo> LLIMInfo::clone()
{
return new LLIMInfo(
mFromID,
mFromGroup,
mToID,
mIMType,
mName,
mMessage,
mID,
mParentEstateID,
mRegionID,
mPosition,
mData,
mOffline,
mTimeStamp,
mSource,
mTTL);
}