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519 lines
12 KiB
C++
519 lines
12 KiB
C++
/*
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* libretroshare/src/services: p3Qblog.cc
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*
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* RetroShare C++ Interface.
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*
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* Copyright 2007-2008 by Chris Evi-Parker
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License Version 2 as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*
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* Please report all bugs and problems to "retroshare@lunamutt.com".
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*
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*/
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#include "serialiser/rsqblogitems.h"
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#include "p3Qblog.h"
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#include <utility>
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#include <ctime>
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#include <iomanip>
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#include "pqi/pqibin.h"
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#include "pqi/p3authmgr.h"
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const uint32_t BLOG_MAX_FWD_OFFSET = (60 * 60 * 24 * 2); /* 2 Days */
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const uint32_t FRIEND_QBLOG_REPOST_PERIOD = 60; /* every minute for testing */
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#define QBLOG_DEBUG 1
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p3Qblog::p3Qblog(p3ConnectMgr *connMgr,
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uint16_t type, CacheStrapper *cs, CacheTransfer *cft,
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std::string sourcedir, std::string storedir,
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uint32_t storePeriod)
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:CacheSource(type, true, cs, sourcedir),
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CacheStore(type, true, cs, cft, storedir),
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mConnMgr(connMgr),
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mStorePeriod(storePeriod), mPostsUpdated(false), mProfileUpdated(false)
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{
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{
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RsStackMutex stack(mBlogMtx);
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mOwnId = mConnMgr->getOwnId(); // get your own usr Id
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loadDummy(); // load dummy data
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#ifdef QBLOG_DEBUG
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/*if(!ok)
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std::cerr << "initialization failed: could not retrieve friend list"; */
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#endif
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}
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return;
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}
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std::ostream &operator<<(std::ostream& out, const std::wstring wstr)
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{
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std::string str(wstr.begin(), wstr.end());
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out << str;
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return out;
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}
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bool p3Qblog::loadLocalCache(const CacheData &data)
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{
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std::string filename = data.path + '/' + data.name;
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std::string hash = data.hash;
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std::string source = data.pid;
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Ranking::loadLocalCache()";
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std::cerr << std::endl;
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std::cerr << "\tSource: " << source;
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std::cerr << std::endl;
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std::cerr << "\tFilename: " << filename;
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std::cerr << std::endl;
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std::cerr << "\tHash: " << hash;
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std::cerr << std::endl;
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std::cerr << "\tSize: " << data.size;
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std::cerr << std::endl;
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#endif
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loadBlogFile(filename, source);
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{
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RsStackMutex stack(mBlogMtx);
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mPostsUpdated = true; // there is nothing to tick/repost (i.e. comes from cache)
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}
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if (data.size > 0) /* don't refresh zero sized caches */
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{
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refreshCache(data);
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}
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return true;
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}
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int p3Qblog::loadCache(const CacheData &data)
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{
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std::string filename = data.path + '/' + data.name;
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std::string hash = data.hash;
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std::string source = data.pid;
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::loadCache()";
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std::cerr << std::endl;
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std::cerr << "\tSource: " << source;
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std::cerr << std::endl;
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std::cerr << "\tFilename: " << filename;
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std::cerr << std::endl;
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std::cerr << "\tHash: " << hash;
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std::cerr << std::endl;
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std::cerr << "\tSize: " << data.size;
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std::cerr << std::endl;
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#endif
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loadBlogFile(filename, source);
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CacheStore::lockData(); /***** LOCK ****/
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locked_storeCacheEntry(data);
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CacheStore::unlockData(); /***** UNLOCK ****/
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return 1;
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}
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bool p3Qblog::loadBlogFile(std::string filename, std::string src)
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{
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/* create the serialiser to load info */
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RsSerialiser *rsSerialiser = new RsSerialiser();
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rsSerialiser->addSerialType(new RsQblogMsgSerialiser());
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uint32_t bioflags = BIN_FLAGS_HASH_DATA | BIN_FLAGS_READABLE;
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BinInterface *bio = new BinFileInterface(filename.c_str(), bioflags);
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pqistreamer *stream = new pqistreamer(rsSerialiser, src, bio, 0);
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::loadBlogFile()";
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std::cerr << std::endl;
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std::cerr << "\tSource: " << src;
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std::cerr << std::endl;
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std::cerr << "\tFilename: " << filename;
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std::cerr << std::endl;
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#endif
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/* will load file info to these items */
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RsItem *item;
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RsQblogMsg *newBlog;
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stream->tick(); // tick to read
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time_t now = time(NULL);
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time_t min, max;
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{ /********** STACK LOCKED MTX ******/
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RsStackMutex stack(mBlogMtx);
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min = now - mStorePeriod;
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max = now + BLOG_MAX_FWD_OFFSET;
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} /********** STACK LOCKED MTX ******/
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while(NULL != (item = stream->GetItem()))
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::loadBlogFile() Got Item:";
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std::cerr << std::endl;
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item->print(std::cerr, 10);
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std::cerr << std::endl;
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#endif
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if (NULL == (newBlog = dynamic_cast<RsQblogMsg *>(item)))
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::loadBlogFile() Item not Blog (deleting):";
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std::cerr << std::endl;
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#endif
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delete item;
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}
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/* check timestamp: delete if here longer than store period or more than two days */
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else if (((time_t) newBlog->sendTime < min) ||
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((time_t) newBlog->sendTime > max))
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::loadBlogFile() Outside TimeRange (deleting):";
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std::cerr << std::endl;
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#endif
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/* if outside time range remove */
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delete newBlog;
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}
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else
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::loadBlogFile() Loading Item";
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std::cerr << std::endl;
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#endif
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addBlog(newBlog); // add received blog to list
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}
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stream->tick(); // tick to read
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}
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delete stream; // stream finished with/return resource
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return true;
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}
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bool p3Qblog::addBlog(RsQblogMsg *newBlog)
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Ranking::addBlog() Item:";
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std::cerr << std::endl;
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newBlog->print(std::cerr, 10); // check whats in the blog item
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std::cerr << std::endl;
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#endif
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{
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RsStackMutex Stack(mBlogMtx);
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mUsrBlogSet[newBlog->PeerId()].insert(std::make_pair(newBlog->sendTime, newBlog->message));
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::addBlog()";
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std::cerr << std::endl;
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std::cerr << "\tpeerId" << newBlog->PeerId();
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std::cerr << std::endl;
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std::cerr << "\tmUsrBlogSet: time" << newBlog->sendTime;
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std::cerr << std::endl;
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std::cerr << "\tmUsrBlogSet: blog" << newBlog->message;
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std::cerr << std::endl;
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#endif
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mPostsUpdated = false; // need to figure how this should work/ where this should be placed
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}
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return true;
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}
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bool p3Qblog::postBlogs(void)
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::postBlogs()";
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std::cerr << std::endl;
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#endif
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std::string path = CacheSource::getCacheDir();
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std::ostringstream out;
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uint16_t subid = 1;
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out << "qblogs-" << time(NULL) << ".rsqb"; // create blog file name based on time posted
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/* determine filename */
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std::string tmpname = out.str();
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std::string fname = path + "/" + tmpname;
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::postBlogs() Storing to: " << fname;
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std::cerr << std::endl;
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#endif
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RsSerialiser *rsSerialiser = new RsSerialiser();
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rsSerialiser->addSerialType(new RsQblogMsgSerialiser());
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uint32_t bioflags = BIN_FLAGS_HASH_DATA | BIN_FLAGS_WRITEABLE;
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BinInterface *bio = new BinFileInterface(fname.c_str(), bioflags);
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pqistreamer *stream = new pqistreamer(rsSerialiser, mOwnId, bio,
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BIN_FLAGS_NO_DELETE);
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{
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RsStackMutex stack(mBlogMtx); /********** STACK LOCKED MTX ******/
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/* iterate through list */
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std::list<RsQblogMsg*>::iterator it;
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for(it = mBlogs.begin(); it != mBlogs.end(); it++)
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{
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/* only post own blogs */
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if(mOwnId == (*it)->PeerId())
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{
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/*write to serialiser*/
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RsItem *item = *it;
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::postBlogs() Storing Item:";
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std::cerr << std::endl;
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item->print(std::cerr, 10);
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std::cerr << std::endl;
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#endif
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stream->SendItem(item);
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stream->tick(); /* tick to write */
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}
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else /* if blogs belong to a friend */
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Ranking::postBlogs() Skipping friend blog items:";
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std::cerr << std::endl;
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#endif
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continue;
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}
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}
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}
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stream->tick(); /* Tick for final write! */
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/* flag as new info */
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CacheData data;
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{ /********** STACK LOCKED MTX ******/
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RsStackMutex stack(mBlogMtx);
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data.pid = mOwnId;
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} /********** STACK LOCKED MTX ******/
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data.cid = CacheId(CacheSource::getCacheType(), subid);
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data.path = path;
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data.name = tmpname;
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data.hash = bio->gethash();
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data.size = bio->bytecount();
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data.recvd = time(NULL);
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Ranking::postBlogs() refreshing Cache";
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std::cerr << std::endl;
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std::cerr << "\tCache Path: " << data.path;
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std::cerr << std::endl;
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std::cerr << "\tCache Name: " << data.name;
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std::cerr << std::endl;
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std::cerr << "\tCache Hash: " << data.hash;
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std::cerr << std::endl;
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std::cerr << "\tCache Size: " << data.size;
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std::cerr << std::endl;
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#endif
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if(data.size > 0) /* don't refresh zero sized caches */
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{
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refreshCache(data);
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}
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delete stream;
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return true;
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}
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p3Qblog::~p3Qblog()
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{
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return;
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}
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bool p3Qblog::getBlogs(std::map< std::string, std::multimap<long int, std::wstring> > &blogs)
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{
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{
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RsStackMutex stack(mBlogMtx);
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if(mUsrBlogSet.empty()) // return error blogs are empty
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{
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std::cerr << "usr blog set empty!" << std::endl;
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return false;
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}
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blogs = mUsrBlogSet;
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::getBlogs() number of blogs: " << mUsrBlogSet.size();
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std::cerr << std::endl;
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#endif
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}
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return true;
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}
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bool p3Qblog::sendBlog(const std::wstring &msg)
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{
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time_t blogTimeStamp;
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{
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RsStackMutex stack(mBlogMtx);
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mUsrBlogSet[mOwnId].insert(std::make_pair(blogTimeStamp, msg));
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RsQblogMsg *blog = new RsQblogMsg();
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blog->clear();
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blog->sendTime = blogTimeStamp;
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blog->message = msg;
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::sendBlogFile()";
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std::cerr << std::endl;
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std::cerr << "\tblogItem->sendTime" << blog->sendTime;
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std::cerr << std::endl;
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std::cerr << "\tblogItem->message" << blog->message;
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std::cerr << std::endl;
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#endif
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mBlogs.push_back(blog);
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}
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return true;
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}
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void p3Qblog::loadDummy(void)
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{
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std::list<std::string> peers;
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std::wstring cnv_wstr;
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mConnMgr->getFriendList(peers); // retrieve peers list from core
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if(peers.empty())
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{
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//for(int i = 0; i < 50; i++)
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// std::cerr << "nothing in peer list!!!" << std::endl;
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}
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srand(60);
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long int now = time(NULL); // the present time
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std::multimap<long int, std::wstring> emptySet; // time/blog map
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//std::string statusSet[5] = { "great", "rubbish", "ecstatic", "save me", "emo depression"};
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//std::string songs[5] = { "broken spleen", "niobium", "ewe (a sheep)", "velvet stuff", "chun li kicks"};
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/* the usr dummy usr blogs */
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std::string B1 = "I think we should eat more cheese";
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std::string B2 = "today was so cool, i got attacked by fifty ninja while buying a loaf so i used my paper bag to suffocate each of them to death at hyper speed";
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std::string B3 = "Nuthins up";
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std::string B4 = "stop bothering me";
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std::string B5 = "I'm really a boring person and having nothin interesting to say";
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std::string blogs[5] = {B1, B2, B3, B4, B5};
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/* fill up maps: first usrblogset with empty blogs */
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std::list<std::string>::iterator it;
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mUsrBlogSet.insert(std::make_pair(mOwnId, emptySet));
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for(it = peers.begin(); it!=peers.end();it++)
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{
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mUsrBlogSet.insert(std::make_pair(*it, emptySet));
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}
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/* now fill up blog map */
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for(int i=0; i < 50 ; i++)
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{
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std::list<std::string>::iterator it = peers.begin();
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long int timeStamp;
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timeStamp = now + rand() % 2134223;
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int b = rand() % 5;
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cnv_wstr.assign(blogs[b].begin(), blogs[b].end());
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mUsrBlogSet[mOwnId].insert(std::make_pair(timeStamp, cnv_wstr )); // store a random blog
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for(;it!=peers.end(); it++)
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{
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timeStamp = now + rand() % 2134223; // a random time for each blog
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int c = rand() % 5;
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cnv_wstr.assign(blogs[c].begin(), blogs[c].end());
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mUsrBlogSet[*it].insert(std::make_pair(timeStamp, cnv_wstr)); // store a random blog
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}
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}
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return;
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}
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bool p3Qblog::getPeerLatestBlog(std::string id, uint32_t &ts, std::wstring &post)
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{
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#ifdef QBLOG_DEBUG
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std::cerr << "p3Qblog::getPeerLatestBlog(): " << "not implemented yet" << std::endl;
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#endif
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return false;
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}
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bool p3Qblog::sort(void)
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{
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// TODO sorts blog maps in time order
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return true;
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}
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void p3Qblog::tick()
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{
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bool postUpdated = false; // so stack mutex is not enabled during postblog call
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{
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RsStackMutex stack(mBlogMtx);
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postUpdated = mPostsUpdated;
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}
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if(!postUpdated)
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{
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if(!postBlogs())
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std::cerr << "p3Qblog::tick():" << "tick failed!";
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/* drbob: added to stop infinite qblog output */
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RsStackMutex stack(mBlogMtx);
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mPostsUpdated = true;
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}
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}
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