RetroShare/libretroshare/src/services/p3photoservice.cc
2011-08-12 13:42:30 +00:00

883 lines
20 KiB
C++

/*
* libretroshare/src/services p3ranking.cc
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2007-2008 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 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 "services/p3photoservice.h"
#include "pqi/pqibin.h"
#include "pqi/authssl.h"
#include "util/rsdir.h"
std::string generateRandomShowId();
/****
* #define PHOTO_DEBUG 1
****/
PhotoSet::PhotoSet()
{
return;
}
/********************************************************************************/
/******************* Startup / Tick ******************************************/
/********************************************************************************/
p3PhotoService::p3PhotoService(uint16_t type, CacheStrapper *cs, CacheTransfer *cft,
std::string sourcedir, std::string storedir)
:CacheSource(type, true, cs, sourcedir),
CacheStore(type, true, cs, cft, storedir), mPhotoMtx("p3PhotoService"),
mUpdated(true)
{
{ RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
mOwnId = AuthSSL::getAuthSSL()->OwnId();
}
// createDummyData();
return;
}
void p3PhotoService::tick()
{
bool repub = false;
{
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
repub = mRepublish;
}
if (repub)
{
//publishPhotos();
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
mRepublish = false;
}
}
/********************************************************************************/
/******************* Cache Interaction ******************************************/
/********************************************************************************/
bool p3PhotoService::loadLocalCache(const CacheData &data)
{
std::string filename = data.path + '/' + data.name;
std::string hash = data.hash;
//uint64_t size = data.size;
std::string source = data.pid;
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::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
if (data.cid.subid == 0)
{
loadPhotoIndex(filename, hash, source);
}
else
{
availablePhoto(filename, hash, source);
}
{
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
mRepublish = false;
mUpdated = true;
}
if (data.size > 0) /* don't refresh zero sized caches */
{
refreshCache(data);
}
return true;
}
int p3PhotoService::loadCache(const CacheData &data)
{
std::string filename = data.path + '/' + data.name;
std::string hash = data.hash;
//uint64_t size = data.size;
std::string source = data.pid;
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::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
if (data.cid.subid == 0)
{
loadPhotoIndex(filename, hash, source);
}
else
{
availablePhoto(filename, hash, source);
}
CacheStore::lockData(); /***** LOCK ****/
locked_storeCacheEntry(data);
CacheStore::unlockData(); /***** UNLOCK ****/
return 1;
}
void p3PhotoService::loadPhotoIndex(std::string filename, std::string hash, std::string src)
{
/* remove unused parameter warnings */
(void) hash;
/* create the serialiser to load info */
RsSerialiser *rsSerialiser = new RsSerialiser();
rsSerialiser->addSerialType(new RsPhotoSerialiser());
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 PHOTO_DEBUG
std::cerr << "p3PhotoService::loadPhotoIndex()";
std::cerr << std::endl;
std::cerr << "\tSource: " << src;
std::cerr << std::endl;
std::cerr << "\tHash: " << hash;
std::cerr << std::endl;
std::cerr << "\tFilename: " << filename;
std::cerr << std::endl;
#endif
RsItem *item;
RsPhotoItem *pitem;
RsPhotoShowItem *sitem;
stream->tick(); /* Tick to read! */
while(NULL != (item = stream->GetItem()))
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::loadPhotoIndex() Got Item:";
std::cerr << std::endl;
item->print(std::cerr, 10);
std::cerr << std::endl;
#endif
pitem = dynamic_cast<RsPhotoItem *>(item);
sitem = dynamic_cast<RsPhotoShowItem *>(item);
if (pitem)
{
/* photo item */
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::loadPhotoIndex() Loading Photo Item";
std::cerr << std::endl;
#endif
loadPhotoItem(pitem);
}
else if (sitem)
{
/* show item */
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::loadPhotoIndex() Loading Show Item";
std::cerr << std::endl;
#endif
loadPhotoShowItem(sitem);
}
else
{
/* unknown */
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::loadRankFile() Unknown Item (deleting):";
std::cerr << std::endl;
#endif
}
delete item;
stream->tick(); /* Tick to read! */
}
delete stream;
}
bool p3PhotoService::loadPhotoItem(RsPhotoItem *item)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::loadPhotoItem()";
std::cerr << std::endl;
item->print(std::cerr);
std::cerr << std::endl;
#endif
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(item->PeerId());
pset.photos[item->photoId] = item;
mUpdated = true;
return true;
}
bool p3PhotoService::loadPhotoShowItem(RsPhotoShowItem *item)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::loadPhotoShowItem()";
std::cerr << std::endl;
item->print(std::cerr);
std::cerr << std::endl;
#endif
/* add to set */
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(item->PeerId());
pset.shows[item->showId] = item;
//mRepublish = true;
mUpdated = true;
return true;
}
void p3PhotoService::availablePhoto(std::string /*filename*/, std::string /*hash*/, std::string /*src*/)
{
/* TODO */
return;
}
void p3PhotoService::publishPhotos()
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::publishPhotos()";
std::cerr << std::endl;
#endif
/* determine filename */
std::string path = CacheSource::getCacheDir();
std::ostringstream out;
out << "photo-index-" << time(NULL) << ".pdx";
std::string tmpname = out.str();
std::string fname = path + "/" + tmpname;
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::publishPhotos() Storing to: " << fname;
std::cerr << std::endl;
#endif
RsSerialiser *rsSerialiser = new RsSerialiser();
rsSerialiser->addSerialType(new RsPhotoSerialiser());
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(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(mOwnId);
std::map<std::string, RsPhotoItem *>::iterator pit;
for(pit = pset.photos.begin(); pit != pset.photos.end(); pit++)
{
RsPhotoItem *pitem = pit->second;
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::publishPhotos() Storing Photo Item:";
std::cerr << std::endl;
pitem->print(std::cerr, 10);
std::cerr << std::endl;
#endif
stream->SendItem(pitem);
stream->tick(); /* Tick to write! */
}
std::map<std::string, RsPhotoShowItem *>::iterator sit;
for(sit = pset.shows.begin(); sit != pset.shows.end(); sit++)
{
RsPhotoShowItem *sitem = sit->second;
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::publishPhotos() Storing PhotoShow Item:";
std::cerr << std::endl;
sitem->print(std::cerr, 10);
std::cerr << std::endl;
#endif
stream->SendItem(sitem);
stream->tick(); /* Tick to write! */
}
} /********** STACK LOCKED MTX ******/
stream->tick(); /* Tick for final write! */
/* flag as new info */
CacheData data;
{ RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
data.pid = mOwnId;
} /********** STACK LOCKED MTX ******/
data.cid = CacheId(CacheSource::getCacheType(), 1);
data.path = path;
data.name = tmpname;
data.hash = bio->gethash();
data.size = bio->bytecount();
data.recvd = time(NULL);
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::publishPhotos() 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;
/* TO HERE
* update Cache (new Photos (all Photos?))
* */
}
/********************************************************************************/
/******************* External Interface *****************************************/
/********************************************************************************/
bool p3PhotoService::updated()
{
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
if (mUpdated)
{
mUpdated = false;
return true;
}
return false;
}
bool p3PhotoService::getPhotoList(std::string id, std::list<std::string> &photoIds)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getPhotoList() pid: " << id;
std::cerr << std::endl;
#endif
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(id);
/* get the list of photoids */
std::map<std::string, RsPhotoItem *>::iterator pit;
for(pit = pset.photos.begin(); pit != pset.photos.end(); pit++)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getPhotoList() PhotoId: " << pit->first;
std::cerr << std::endl;
#endif
photoIds.push_back(pit->first);
}
return true;
}
bool p3PhotoService::getShowList(std::string id, std::list<std::string> &showIds)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getShowList() pid: " << id;
std::cerr << std::endl;
#endif
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(id);
/* get the list of showIds */
std::map<std::string, RsPhotoShowItem *>::iterator sit;
for(sit = pset.shows.begin(); sit != pset.shows.end(); sit++)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getShowList() ShowId: " << sit->first;
std::cerr << std::endl;
#endif
showIds.push_back(sit->first);
}
return true;
}
bool p3PhotoService::getShowDetails(std::string id, std::string showId, RsPhotoShowDetails &/*detail*/)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getShowDetails() pid: " << id;
std::cerr << "showId: " << showId;
std::cerr << std::endl;
#endif
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
RsPhotoShowItem *item = locked_getShow(id, showId);
if (!item)
{
return false;
}
/* extract Show details */
return true;
}
bool p3PhotoService::getPhotoDetails(std::string id, std::string photoId, RsPhotoDetails &detail)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getPhotoDetails() pid: " << id;
std::cerr << " photoId: " << photoId;
std::cerr << std::endl;
#endif
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
RsPhotoItem *item = locked_getPhoto(id, photoId);
if (!item)
{
return false;
}
/* extract Photo details */
detail.id = item->PeerId();
detail.srcid = item->srcId;
detail.hash = item->photoId;
detail.size = item->size;
detail.name = item->name;
detail.location = item->location;
detail.comment = item->comment;
detail.date = item->date;
detail.format = 0;
detail.isAvailable = item->isAvailable;
detail.path = item->path;
return true;
}
/* add / delete */
std::string p3PhotoService::createShow(std::string name)
{
std::string showId = generateRandomShowId();
RsPhotoShowItem *newShow = new RsPhotoShowItem();
newShow->showId = showId;
newShow->name = name;
/* add to set */
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(mOwnId);
pset.shows[showId] = newShow;
mRepublish = true;
return showId;
}
bool p3PhotoService::deleteShow(std::string showId)
{
/* add to set */
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
PhotoSet &pset = locked_getPhotoSet(mOwnId);
std::map<std::string, RsPhotoShowItem *>::iterator sit;
sit = pset.shows.find(showId);
if (sit == pset.shows.end())
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::deleteShow() no existant";
std::cerr << std::endl;
#endif
return false;
}
RsPhotoShowItem *oldShow = sit->second;
pset.shows.erase(sit);
delete oldShow;
mRepublish = true;
return true;
}
bool p3PhotoService::addPhotoToShow(std::string showId, std::string photoId, int16_t /*index*/)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::addPhotoToShow() showId: " << showId;
std::cerr << " photoId: " << photoId;
std::cerr << std::endl;
#endif
/* add to set */
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
RsPhotoItem *photo = locked_getPhoto(mOwnId, photoId);
RsPhotoShowItem *show = locked_getShow(mOwnId, showId);
if ((!photo) || (!show))
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::addPhotoToShow() NULL data";
std::cerr << std::endl;
#endif
return false;
}
/* can have duplicates so just add it in */
RsPhotoRefItem ref;
ref.photoId = photoId;
/* add in at correct location! */
//uint32_t i = 0;
//for(it = show.photos.begin();
// (i < index) && (it != show.photos.end()); it++, i++);
show->photos.push_back(ref);
mRepublish = true;
return true;
}
bool p3PhotoService::movePhotoInShow(std::string /*showId*/, std::string /*photoId*/, int16_t /*index*/)
{
return false;
}
bool p3PhotoService::removePhotoFromShow(std::string /*showId*/, std::string /*photoId*/)
{
return false;
}
std::string p3PhotoService::addPhoto(std::string path) /* add from file */
{
/* check file exists */
std::string hash;
uint64_t size;
if (!RsDirUtil::getFileHash(path, hash, size))
{
return hash;
}
/* copy to outgoing directory TODO */
/* create item */
RsPhotoItem *item = new RsPhotoItem();
{
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
item->PeerId(mOwnId);
}
item->srcId = item->PeerId();
item->photoId = hash;
item->name = RsDirUtil::getTopDir(path);
item->path = path;
item->size = size;
item->isAvailable = true;
item->comment = L"No Comment Yet!";
/* add in */
loadPhotoItem(item);
/* flag for republish */
{
RsStackMutex stack(mPhotoMtx); /********** STACK LOCKED MTX ******/
mRepublish = true;
}
return hash;
}
bool p3PhotoService::addPhoto(std::string /*srcId*/, std::string /*photoId*/) /* add from peers photos */
{
return false;
}
bool p3PhotoService::deletePhoto(std::string /*photoId*/)
{
return false;
}
/* modify properties (TODO) */
bool p3PhotoService::modifyShow(std::string /*showId*/, std::wstring /*name*/, std::wstring /*comment*/)
{
return false;
}
bool p3PhotoService::modifyPhoto(std::string /*photoId*/, std::wstring /*name*/, std::wstring /*comment*/)
{
return false;
}
bool p3PhotoService::modifyShowComment(std::string /*showId*/, std::string /*photoId*/, std::wstring /*comment*/)
{
return false;
}
/********************************************************************************/
/******************* Utility Functions ******************************************/
/********************************************************************************/
PhotoSet &p3PhotoService::locked_getPhotoSet(std::string id)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::locked_getPhotoSet() pid: " << id;
std::cerr << std::endl;
#endif
std::map<std::string, PhotoSet>::iterator it;
it = mPhotos.find(id);
if (it == mPhotos.end())
{
/* missing group -> add it in */
PhotoSet pset;
pset.pid = id;
mPhotos[id] = pset;
it = mPhotos.find(id);
}
return (it->second);
}
RsPhotoItem *p3PhotoService::locked_getPhoto(std::string id, std::string photoId)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::locked_getPhoto() pid: " << id;
std::cerr << " photoId: " << photoId;
std::cerr << std::endl;
#endif
PhotoSet &pset = locked_getPhotoSet(id);
std::map<std::string, RsPhotoItem *>::iterator pit;
pit = pset.photos.find(photoId);
if (pit == pset.photos.end())
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::getPhotoDetails() Failed - noPhoto";
std::cerr << std::endl;
#endif
return NULL;
}
return pit->second;
}
RsPhotoShowItem *p3PhotoService::locked_getShow(std::string id, std::string showId)
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::locked_getShow() pid: " << id;
std::cerr << " showId: " << showId;
std::cerr << std::endl;
#endif
PhotoSet &pset = locked_getPhotoSet(id);
std::map<std::string, RsPhotoShowItem *>::iterator sit;
sit = pset.shows.find(showId);
if (sit == pset.shows.end())
{
#ifdef PHOTO_DEBUG
std::cerr << "p3PhotoService::locked_getShow() Failed - no Show";
std::cerr << std::endl;
#endif
return NULL;
}
return sit->second;
}
std::string generateRandomShowId()
{
std::ostringstream out;
out << std::hex;
/********************************** WINDOWS/UNIX SPECIFIC PART ******************/
#ifndef WINDOWS_SYS
/* 4 bytes per random number: 4 x 4 = 16 bytes */
for(int i = 0; i < 4; i++)
{
out << std::setw(8) << std::setfill('0');
uint32_t rint = random();
out << rint;
}
#else
srand(time(NULL));
/* 2 bytes per random number: 8 x 2 = 16 bytes */
for(int i = 0; i < 8; i++)
{
out << std::setw(4) << std::setfill('0');
uint16_t rint = rand(); /* only gives 16 bits */
out << rint;
}
#endif
/********************************** WINDOWS/UNIX SPECIFIC PART ******************/
return out.str();
}
void p3PhotoService::createDummyData()
{
#if 0
RsRankLinkMsg *msg = new RsRankLinkMsg();
time_t now = time(NULL);
msg->PeerId(mOwnId);
msg->rid = "0001";
msg->title = L"Original Awesome Site!";
msg->timestamp = now - 60 * 60 * 24 * 15;
msg->link = L"http://www.retroshare.org";
msg->comment = L"Retroshares Website";
addRankMsg(msg);
msg = new RsRankLinkMsg();
msg->PeerId(mOwnId);
msg->rid = "0002";
msg->title = L"Awesome Site!";
msg->timestamp = now - 123;
msg->link = L"http://www.lunamutt.org";
msg->comment = L"Lunamutt's Website";
addRankMsg(msg);
msg = new RsRankLinkMsg();
msg->PeerId("ALTID");
msg->rid = "0002";
msg->title = L"Awesome Site!";
msg->timestamp = now - 60 * 60 * 24 * 29;
msg->link = L"http://www.lunamutt.org";
msg->comment = L"Lunamutt's Website (TWO) How Long can this comment be!\n";
msg->comment += L"What happens to the second line?\n";
msg->comment += L"And a 3rd!";
addRankMsg(msg);
msg = new RsRankLinkMsg();
msg->PeerId("ALTID2");
msg->rid = "0002";
msg->title = L"Awesome Site!";
msg->timestamp = now - 60 * 60 * 7;
msg->link = L"http://www.lunamutt.org";
msg->comment += L"A Short Comment";
addRankMsg(msg);
/***** Third one ****/
msg = new RsRankLinkMsg();
msg->PeerId(mOwnId);
msg->rid = "0003";
msg->title = L"Weird Site!";
msg->timestamp = now - 60 * 60;
msg->link = L"http://www.lunamutt.com";
msg->comment = L"";
addRankMsg(msg);
msg = new RsRankLinkMsg();
msg->PeerId("ALTID");
msg->rid = "0003";
msg->title = L"Weird Site!";
msg->timestamp = now - 60 * 60 * 24 * 2;
msg->link = L"http://www.lunamutt.com";
msg->comment = L"";
addRankMsg(msg);
#endif
}