RetroShare/libretroshare/src/services/p3Qblog.cc
chrisparker126 5b2e6b2d62 simplification of qblog, only supports blogging now
- i.e. no file or profile view support


git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@733 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2008-09-21 21:09:12 +00:00

519 lines
12 KiB
C++

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