/* * libretroshare/src/services p3gxscommon.cc * * GxsChannels interface for RetroShare. * * Copyright 2012-2013 by Robert Fernie. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License Version 2.1 as published by the Free Software Foundation. * * 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA. * * Please report all bugs and problems to "retroshare@lunamutt.com". * */ #include "retroshare/rsgxscommon.h" #include "services/p3gxscommon.h" #include "serialiser/rsgxscommentitems.h" #include "util/rsstring.h" #include #include #include RsGxsComment::RsGxsComment() { mUpVotes = 0; mDownVotes = 0; mScore = 0; mOwnVote = 0; } /********************************************************************************/ RsGxsImage::RsGxsImage() { std::cerr << "RsGxsImage(" << this << ")"; std::cerr << std::endl; mData = NULL; mSize = 0; } RsGxsImage::RsGxsImage(const RsGxsImage& a) { std::cerr << "RsGxsImage(" << this << ") = RsGxsImage(" << (void *) &a << ")"; std::cerr << std::endl; mData = NULL; mSize = 0; copy(a.mData, a.mSize); } RsGxsImage::~RsGxsImage() { std::cerr << "~RsGxsImage(" << this << ")"; std::cerr << std::endl; clear(); } RsGxsImage &RsGxsImage::operator=(const RsGxsImage &a) { copy(a.mData, a.mSize); } void RsGxsImage::take(uint8_t *data, uint32_t size) { std::cerr << "RsGxsImage(" << this << ")::take(" << (void *) data << "," << size << ")"; std::cerr << std::endl; // Copies Pointer. clear(); mData = data; mSize = size; } // NB Must make sure that we always use malloc/free for this data. uint8_t *RsGxsImage::allocate(uint32_t size) { uint8_t *val = (uint8_t *) malloc(size); std::cerr << "RsGxsImage()::allocate(" << (void *) val << ")"; std::cerr << std::endl; return val; } void RsGxsImage::release(void *data) { std::cerr << "RsGxsImage()::release(" << (void *) data << ")"; std::cerr << std::endl; free(data); } void RsGxsImage::copy(uint8_t *data, uint32_t size) { std::cerr << "RsGxsImage(" << this << ")::copy(" << (void *) data << "," << size << ")"; std::cerr << std::endl; // Allocates and Copies. clear(); if (data && size) { mData = allocate(size); memcpy(mData, data, size); mSize = size; } } void RsGxsImage::clear() { // Frees. if (mData) { release(mData); } mData = NULL; mSize = 0; } void RsGxsImage::shallowClear() { // Clears Pointer. mData = NULL; mSize = 0; } /********************************************************************************/ RsGxsFile::RsGxsFile() { mSize = 0; } RsGxsVote::RsGxsVote() { mVoteType = 0; } /********************************************************************************/ #define RSGXSCOMMENT_MAX_SERVICE_STRING 16 bool SSGxsComment::load(const std::string &input) { //char line[RSGXSCOMMENT_MAX_SERVICE_STRING]; int val; mVoteValue = 0; if (1 == sscanf(input.c_str(), "V:%d", &val)) { mVoteValue = val; } return true; } std::string SSGxsComment::save() const { std::string output; rs_sprintf(output, "V:%d", mVoteValue); return output; } /********************************************************************************/ /******************* Startup / Tick ******************************************/ /********************************************************************************/ #define GXSCOMMENTS_VOTE_CHECK 0x0002 #define GXSCOMMENTS_VOTE_DONE 0x0003 p3GxsCommentService::p3GxsCommentService(RsGenExchange *exchange, uint16_t service_type) : GxsTokenQueue(exchange), mExchange(exchange), mServiceType(service_type) { return; } void p3GxsCommentService::comment_tick() { GxsTokenQueue::checkRequests(); } bool p3GxsCommentService::getGxsCommentData(const uint32_t &token, std::vector &comments) { std::cerr << "p3GxsCommentService::getGxsCommentData()"; std::cerr << std::endl; GxsMsgDataMap msgData; bool ok = mExchange->getMsgData(token, msgData); if(ok) { GxsMsgDataMap::iterator mit = msgData.begin(); std::multimap voteMap; for(; mit != msgData.end(); mit++) { RsGxsGroupId grpId = mit->first; std::vector& msgItems = mit->second; std::vector::iterator vit = msgItems.begin(); /* now split into Comments and Votes */ for(; vit != msgItems.end(); vit++) { RsGxsCommentItem* item = dynamic_cast(*vit); if(item) { RsGxsComment comment = item->mMsg; comment.mMeta = item->meta; comments.push_back(comment); delete item; } else { RsGxsVoteItem* vote = dynamic_cast(*vit); if (vote) { voteMap.insert(std::make_pair(vote->meta.mParentId, vote)); } else { std::cerr << "Not a Comment or Vote, deleting!" << std::endl; delete *vit; } } } } /* now iterate through comments - and set the vote counts */ std::vector::iterator cit; std::multimap::iterator it; for(cit = comments.begin(); cit != comments.end(); cit++) { for (it = voteMap.lower_bound(cit->mMeta.mMsgId); it != voteMap.upper_bound(cit->mMeta.mMsgId); it++) { if (it->second->mMsg.mVoteType == GXS_VOTE_UP) { cit->mUpVotes++; } else { cit->mDownVotes++; } } cit->mScore = calculateBestScore(cit->mUpVotes, cit->mDownVotes); /* convert serviceString -> mHaveVoted */ SSGxsComment ss; ss.load(cit->mMeta.mServiceString); cit->mOwnVote = ss.mVoteValue; } std::cerr << "p3GxsCommentService::getGxsCommentData() Found " << comments.size() << " Comments"; std::cerr << std::endl; std::cerr << "p3GxsCommentService::getGxsCommentData() Found " << voteMap.size() << " Votes"; std::cerr << std::endl; /* delete the votes */ for (it = voteMap.begin(); it != voteMap.end(); it++) { delete it->second; } } return ok; } bool p3GxsCommentService::getGxsRelatedComments(const uint32_t &token, std::vector &comments) { std::cerr << "p3GxsCommentService::getGxsRelatedComments()"; std::cerr << std::endl; GxsMsgRelatedDataMap msgData; bool ok = mExchange->getMsgRelatedData(token, msgData); if(ok) { GxsMsgRelatedDataMap::iterator mit = msgData.begin(); std::multimap voteMap; for(; mit != msgData.end(); mit++) { std::vector& msgItems = mit->second; std::vector::iterator vit = msgItems.begin(); for(; vit != msgItems.end(); vit++) { RsGxsCommentItem* item = dynamic_cast(*vit); if(item) { RsGxsComment comment = item->mMsg; comment.mMeta = item->meta; comments.push_back(comment); delete item; } else { RsGxsVoteItem* vote = dynamic_cast(*vit); if (vote) { voteMap.insert(std::make_pair(vote->meta.mParentId, vote)); } else { std::cerr << "Not a Comment or Vote, deleting!" << std::endl; delete *vit; } } } } /* now iterate through comments - and set the vote counts */ std::vector::iterator cit; std::multimap::iterator it; for(cit = comments.begin(); cit != comments.end(); cit++) { for (it = voteMap.lower_bound(cit->mMeta.mMsgId); it != voteMap.upper_bound(cit->mMeta.mMsgId); it++) { if (it->second->mMsg.mVoteType == GXS_VOTE_UP) { cit->mUpVotes++; } else { cit->mDownVotes++; } } cit->mScore = calculateBestScore(cit->mUpVotes, cit->mDownVotes); /* convert serviceString -> mHaveVoted */ SSGxsComment ss; ss.load(cit->mMeta.mServiceString); cit->mOwnVote = ss.mVoteValue; } std::cerr << "p3GxsCommentService::getGxsRelatedComments() Found " << comments.size() << " Comments"; std::cerr << std::endl; std::cerr << "p3GxsCommentService::getGxsRelatedComments() Found " << voteMap.size() << " Votes"; std::cerr << std::endl; /* delete the votes */ for (it = voteMap.begin(); it != voteMap.end(); it++) { delete it->second; } } return ok; } double p3GxsCommentService::calculateBestScore(int upVotes, int downVotes) { static float z = 1.0; float score; int n = upVotes - downVotes; if(n==0) { score = 0.0; } else { float phat = upVotes; score = sqrt(phat+z*z/(2*n)-z*((phat*(1-phat)+z*z/(4*n))/n))/(1+z*z/n); } return score; } /********************************************************************************************/ bool p3GxsCommentService::createGxsComment(uint32_t &token, RsGxsComment &msg) { std::cerr << "p3GxsChannels::createGxsComment() GroupId: " << msg.mMeta.mGroupId; std::cerr << std::endl; RsGxsCommentItem* msgItem = new RsGxsCommentItem(mServiceType); msgItem->mMsg = msg; msgItem->meta = msg.mMeta; mExchange->publishMsg(token, msgItem); return true; } bool p3GxsCommentService::createGxsVote(uint32_t &token, RsGxsVote &vote) { // NOTE Because we cannot do this operation immediately, we create a token, // and monitor acknowledgeTokenMsg ... to return correct answer. std::cerr << "p3GxsChannels::createGxsVote() GroupId: " << vote.mMeta.mGroupId; std::cerr << std::endl; /* vote must be associated with another item */ if (vote.mMeta.mThreadId.empty()) { std::cerr << "p3GxsChannels::createGxsVote() ERROR Missing Required ThreadId"; std::cerr << std::endl; return false; } if (vote.mMeta.mParentId.empty()) { std::cerr << "p3GxsChannels::createGxsVote() ERROR Missing Required ParentId"; std::cerr << std::endl; return false; } if (vote.mMeta.mGroupId.empty()) { std::cerr << "p3GxsChannels::createGxsVote() ERROR Missing Required GroupId"; std::cerr << std::endl; return false; } if (vote.mMeta.mAuthorId.empty()) { std::cerr << "p3GxsChannels::createGxsVote() ERROR Missing Required AuthorId"; std::cerr << std::endl; return false; } /* now queue */ RsGxsGrpMsgIdPair parentId(vote.mMeta.mGroupId, vote.mMeta.mParentId); std::map::iterator it; it = mPendingVotes.find(parentId); if (it != mPendingVotes.end()) { std::cerr << "p3GxsChannels::createGxsVote() ERROR Already a pending vote!"; std::cerr << std::endl; return false; } token = mExchange->generatePublicToken(); mPendingVotes[parentId] = VoteHolder(vote, token); // request parent, and queue for response. RsTokReqOptions opts; opts.mReqType = GXS_REQUEST_TYPE_MSG_META; GxsMsgReq msgIds; std::vector &vect_msgIds = msgIds[parentId.first]; vect_msgIds.push_back(parentId.second); uint32_t int_token; mExchange->getTokenService()->requestMsgInfo(int_token, RS_TOKREQ_ANSTYPE_SUMMARY, opts, msgIds); GxsTokenQueue::queueRequest(int_token, GXSCOMMENTS_VOTE_CHECK); return true; } void p3GxsCommentService::load_PendingVoteParent(const uint32_t &token) { std::cerr << "p3GxsCommentService::load_PendingVoteParent()"; std::cerr << std::endl; GxsMsgMetaMap msginfo; if (!mExchange->getMsgMeta(token, msginfo)) { std::cerr << "p3GxsCommentService::load_PendingVoteParent() ERROR Fetching Data"; std::cerr << std::endl; std::cerr << "p3GxsCommentService::load_PendingVoteParent() Warning - this means LOST QUEUE ENTRY"; std::cerr << std::endl; std::cerr << "p3GxsCommentService::load_PendingVoteParent() Need to track tokens - if this happens"; std::cerr << std::endl; return; } GxsMsgMetaMap::iterator it; for(it = msginfo.begin(); it != msginfo.end(); it++) { std::vector::iterator mit; for(mit = it->second.begin(); mit != it->second.end(); mit++) { /* find the matching Pending Vote */ RsMsgMetaData &meta = *mit; std::cerr << "p3GxsCommentService::load_PendingVoteParent() recv (groupId: " << meta.mGroupId; std::cerr << ", msgId: " << meta.mMsgId << ")"; std::cerr << std::endl; RsGxsGrpMsgIdPair parentId(meta.mGroupId, meta.mMsgId); std::map::iterator pit; pit = mPendingVotes.find(parentId); if (pit == mPendingVotes.end()) { std::cerr << "p3GxsCommentService::load_PendingVoteParent() ERROR Finding Pending Vote"; std::cerr << std::endl; continue; } /* check Vote serviceString */ SSGxsComment ss; ss.load(meta.mServiceString); RsGxsVote vote = pit->second.mVote; if (ss.mVoteValue) { std::cerr << "p3GxsCommentService::load_PendingVoteParent() ERROR Already Voted"; std::cerr << std::endl; std::cerr << "mGroupId: " << meta.mGroupId; std::cerr << std::endl; std::cerr << "mMsgId: " << meta.mMsgId; std::cerr << std::endl; pit->second.mStatus = VoteHolder::ERROR; uint32_t status = RsTokenService::GXS_REQUEST_V2_STATUS_FAILED; mExchange->updatePublicRequestStatus(pit->second.mReqToken, status); continue; } std::cerr << "p3GxsCommentService::load_PendingVoteParent() submitting Vote"; std::cerr << std::endl; ss.mVoteValue = vote.mVoteType; std::string servString = ss.save(); uint32_t ss_token; mExchange->setMsgServiceString(ss_token, parentId, servString); uint32_t vote_token; castVote(vote_token, vote); GxsTokenQueue::queueRequest(vote_token, GXSCOMMENTS_VOTE_DONE); pit->second.mVoteToken = vote_token; pit->second.mStatus = VoteHolder::SUBMITTED; } } } void p3GxsCommentService::completeInternalVote(uint32_t &token) { std::cerr << "p3GxsChannels::completeInternalVote() token: " << token; std::cerr << std::endl; std::map::iterator it; for (it = mPendingVotes.begin(); it != mPendingVotes.end(); it++) { if (it->second.mVoteToken == token) { uint32_t status = mExchange->getTokenService()->requestStatus(token); mExchange->updatePublicRequestStatus(it->second.mReqToken, status); std::cerr << "p3GxsChannels::completeInternalVote() Matched to PendingVote. status: " << status; std::cerr << std::endl; it->second.mStatus = VoteHolder::READY; return; } } std::cerr << "p3GxsChannels::completeInternalVote() ERROR Failed to match PendingVote"; std::cerr << std::endl; return; } bool p3GxsCommentService::acknowledgeVote(const uint32_t& token, RsGxsGrpMsgIdPair& msgId) { std::cerr << "p3GxsChannels::acknowledgeVote() token: " << token; std::cerr << std::endl; std::map::iterator it; for (it = mPendingVotes.begin(); it != mPendingVotes.end(); it++) { if (it->second.mReqToken == token) { std::cerr << "p3GxsChannels::acknowledgeVote() Matched to PendingVote"; std::cerr << std::endl; bool ans = false; if (it->second.mStatus == VoteHolder::READY) { std::cerr << "p3GxsChannels::acknowledgeVote() PendingVote = READY"; std::cerr << std::endl; // Finally finish this Vote off. ans = mExchange->acknowledgeTokenMsg(it->second.mVoteToken, msgId); } else if (it->second.mStatus == VoteHolder::ERROR) { std::cerr << "p3GxsChannels::acknowledgeVote() PendingVote = ERROR ???"; std::cerr << std::endl; } else { std::cerr << "p3GxsChannels::acknowledgeVote() PendingVote = OTHER STATUS"; std::cerr << std::endl; } std::cerr << "p3GxsChannels::acknowledgeVote() cleanup token & PendingVote"; std::cerr << std::endl; mExchange->disposeOfPublicToken(it->second.mReqToken); mPendingVotes.erase(it); return ans; } } std::cerr << "p3GxsChannels::acknowledgeVote() Failed to match PendingVote"; std::cerr << std::endl; return false; } // Overloaded from GxsTokenQueue for Request callbacks. void p3GxsCommentService::handleResponse(uint32_t token, uint32_t req_type) { std::cerr << "p3GxsCommentService::handleResponse(" << token << "," << req_type << ")"; std::cerr << std::endl; // stuff. switch(req_type) { case GXSCOMMENTS_VOTE_CHECK: load_PendingVoteParent(token); break; case GXSCOMMENTS_VOTE_DONE: completeInternalVote(token); break; default: /* error */ std::cerr << "p3GxsCommentService::handleResponse() Unknown Request Type: " << req_type; std::cerr << std::endl; break; } } bool p3GxsCommentService::castVote(uint32_t &token, RsGxsVote &msg) { std::cerr << "p3GxsChannels::castVote() GroupId: " << msg.mMeta.mGroupId; std::cerr << std::endl; RsGxsVoteItem* msgItem = new RsGxsVoteItem(mServiceType); msgItem->mMsg = msg; msgItem->meta = msg.mMeta; mExchange->publishMsg(token, msgItem); return true; } /********************************************************************************************/ /********************************************************************************************/ #if 0 void p3GxsCommentService::setMessageReadStatus(uint32_t& token, const RsGxsGrpMsgIdPair& msgId, bool read) { uint32_t mask = GXS_SERV::GXS_MSG_STATUS_UNREAD | GXS_SERV::GXS_MSG_STATUS_UNPROCESSED; uint32_t status = GXS_SERV::GXS_MSG_STATUS_UNREAD; if (read) { status = 0; } setMsgStatusFlags(token, msgId, status, mask); } #endif