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RetroShare/libretroshare/src/ft/ftcontroller.cc
chrisparker126 2f559dae96 removed channel delete feature 
added optimisation suggestion with load/savelist

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3920 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2010-12-18 19:35:07 +00:00

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/*
* libretroshare/src/ft: ftcontroller.cc
*
* File Transfer for RetroShare.
*
* Copyright 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".
*
*/
/*
* ftController
*
* Top level download controller.
*
* inherits configuration (save downloading files)
* inherits pqiMonitor (knows which peers are online).
* inherits CacheTransfer (transfers cache files too)
* inherits RsThread (to control transfers)
*
*/
#ifdef WINDOWS_SYS
#include "util/rswin.h"
#endif
#include "util/rsdiscspace.h"
#include "ft/ftcontroller.h"
#include "ft/ftfilecreator.h"
#include "ft/fttransfermodule.h"
#include "ft/ftsearch.h"
#include "ft/ftdatamultiplex.h"
#include "ft/ftextralist.h"
#include "turtle/p3turtle.h"
#include "util/rsdir.h"
#include "pqi/p3connmgr.h"
#include "pqi/pqinotify.h"
#include "retroshare/rsiface.h"
#include "serialiser/rsconfigitems.h"
#include <stdio.h>
#include <sstream>
/******
* #define CONTROL_DEBUG 1
* #define DEBUG_DWLQUEUE 1
*****/
static const uint32_t SAVE_TRANSFERS_DELAY = 61 ; // save transfer progress every 61 seconds.
static const uint32_t INACTIVE_CHUNKS_CHECK_DELAY = 60 ; // time after which an inactive chunk is released
static const uint32_t MAX_TIME_INACTIVE_REQUEUED = 60 ; // time after which an inactive ftFileControl is bt-queued
static const uint32_t FT_FILECONTROL_QUEUE_ADD_END = 0 ;
static const uint32_t FT_FILECONTROL_QUEUE_ADD_AFTER_CACHE = 1 ;
ftFileControl::ftFileControl()
:mTransfer(NULL), mCreator(NULL),
mState(DOWNLOADING), mSize(0), mFlags(0),
mPriority(SPEED_NORMAL)
{
return;
}
ftFileControl::ftFileControl(std::string fname,
std::string tmppath, std::string dest,
uint64_t size, std::string hash, uint32_t flags,
ftFileCreator *fc, ftTransferModule *tm)
:mName(fname), mCurrentPath(tmppath), mDestination(dest),
mTransfer(tm), mCreator(fc), mState(DOWNLOADING), mHash(hash),
mSize(size), mFlags(flags),
mPriority(SPEED_NORMAL) // default priority to normal
{
return;
}
ftController::ftController(CacheStrapper *cs, ftDataMultiplex *dm, std::string configDir)
:CacheTransfer(cs), p3Config(CONFIG_TYPE_FT_CONTROL),
last_save_time(0),
last_clean_time(0),
mDataplex(dm),
mTurtle(NULL),
mFtActive(false),
mShareDownloadDir(true),
mDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_RANDOM)
{
_max_active_downloads = 5 ; // default queue size
/* TODO */
}
void ftController::setTurtleRouter(p3turtle *pt)
{
mTurtle = pt ;
}
void ftController::setFtSearchNExtra(ftSearch *search, ftExtraList *list)
{
mSearch = search;
mExtraList = list;
}
bool ftController::getFileDownloadChunksDetails(const std::string& hash,FileChunksInfo& info)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl*>::iterator it = mDownloads.find(hash) ;
if(it != mDownloads.end())
{
it->second->mCreator->getChunkMap(info) ;
info.flags = it->second->mFlags ;
return true ;
}
it = mCompleted.find(hash) ;
if(it != mCompleted.end())
{
// This should rather be done as a static method of ChunkMap.
//
// We do this manually, because the file creator has already been destroyed.
//
info.file_size = it->second->mSize ;
info.strategy = mDefaultChunkStrategy ;
info.chunk_size = ChunkMap::CHUNKMAP_FIXED_CHUNK_SIZE ;
info.flags = it->second->mFlags ;
uint32_t nb_chunks = it->second->mSize/ChunkMap::CHUNKMAP_FIXED_CHUNK_SIZE ;
if(it->second->mSize % ChunkMap::CHUNKMAP_FIXED_CHUNK_SIZE != 0)
++nb_chunks ;
info.chunks.resize(nb_chunks,FileChunksInfo::CHUNK_DONE) ;
return true ;
}
return false ;
}
void ftController::addFileSource(const std::string& hash,const std::string& peer_id)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl*>::iterator it;
std::map<std::string, ftFileControl*> currentDownloads = *(&mDownloads);
#ifdef CONTROL_DEBUG
std::cerr << "ftController: Adding source " << peer_id << " to current download hash=" << hash ;
#endif
for(it = currentDownloads.begin(); it != currentDownloads.end(); it++)
if(it->first == hash)
{
it->second->mTransfer->addFileSource(peer_id);
#ifdef CONTROL_DEBUG
std::cerr << "... added." << std::endl ;
#endif
return ;
}
#ifdef CONTROL_DEBUG
std::cerr << "... not added: hash not found." << std::endl ;
#endif
}
void ftController::removeFileSource(const std::string& hash,const std::string& peer_id)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl*>::iterator it;
std::map<std::string, ftFileControl*> currentDownloads = *(&mDownloads);
#ifdef CONTROL_DEBUG
std::cerr << "ftController: Adding source " << peer_id << " to current download hash=" << hash ;
#endif
for(it = currentDownloads.begin(); it != currentDownloads.end(); it++)
if(it->first == hash)
{
it->second->mTransfer->removeFileSource(peer_id);
it->second->mCreator->removeFileSource(peer_id);
#ifdef CONTROL_DEBUG
std::cerr << "... added." << std::endl ;
#endif
return ;
}
#ifdef CONTROL_DEBUG
std::cerr << "... not added: hash not found." << std::endl ;
#endif
}
void ftController::run()
{
/* check the queues */
uint32_t cnt = 0 ;
while(m_bRun)
{
#ifdef WIN32
Sleep(1000);
#else
sleep(1);
#endif
#ifdef CONTROL_DEBUG
std::cerr << "ftController::run()";
std::cerr << std::endl;
#endif
bool doPending = false;
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
doPending = (mFtActive) && (!mFtPendingDone);
}
time_t now = time(NULL) ;
if((int)now - (int)last_save_time > (int)SAVE_TRANSFERS_DELAY)
{
cleanCacheDownloads() ;
IndicateConfigChanged() ;
last_save_time = now ;
}
if((int)now - (int)last_clean_time > (int)INACTIVE_CHUNKS_CHECK_DELAY)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
for(std::map<std::string,ftFileControl*>::iterator it(mDownloads.begin());it!=mDownloads.end();++it)
it->second->mCreator->removeInactiveChunks() ;
last_clean_time = now ;
}
if (doPending)
{
if (!handleAPendingRequest())
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
mFtPendingDone = true;
}
}
tickTransfers() ;
{
std::list<std::string> files_to_complete ;
{
RsStackMutex stack2(doneMutex);
files_to_complete = mDone ;
mDone.clear();
}
for(std::list<std::string>::iterator it(files_to_complete.begin()); it != files_to_complete.end(); ++it)
completeFile(*it);
}
if(cnt++ % 10 == 0)
checkDownloadQueue() ;
}
}
void ftController::tickTransfers()
{
// 1 - sort modules into arrays according to priority
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
#ifdef CONTROL_DEBUG
std::cerr << "ticking transfers." << std::endl ;
#endif
std::vector<std::vector<ftTransferModule*> >priority_tab (3,std::vector<ftTransferModule*>()) ;
// Collect all non queued files.
//
for(std::map<std::string,ftFileControl*>::iterator it(mDownloads.begin()); it != mDownloads.end(); it++)
if(it->second->mState != ftFileControl::QUEUED && it->second->mState != ftFileControl::PAUSED)
priority_tab[it->second->mPriority].push_back(it->second->mTransfer) ;
// 2 - tick arrays with a probability proportional to priority
// 2.1 - decide based on probability, which category of files we handle.
#ifdef CONTROL_DEBUG
std::cerr << "Priority tabs: " ;
std::cerr << "Low (" << priority_tab[SPEED_LOW ].size() << ") " ;
std::cerr << "Normal (" << priority_tab[SPEED_NORMAL].size() << ") " ;
std::cerr << "High (" << priority_tab[SPEED_HIGH ].size() << ") " ;
std::cerr << std::endl ;
#endif
/* tick the transferModules */
// start anywhere in the chosen list of transfers, so that not to favor any special transfer
//
for(int chosen=2;chosen>=0;--chosen)
if(!priority_tab[chosen].empty())
{
int start = rand() % priority_tab[chosen].size() ;
for(int i=0;i<(int)priority_tab[chosen].size();++i)
priority_tab[chosen][(i+start)%(int)priority_tab[chosen].size()]->tick() ;
}
}
bool ftController::getPriority(const std::string& hash,DwlSpeed& p)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string,ftFileControl*>::iterator it(mDownloads.find(hash)) ;
if(it != mDownloads.end())
{
p = it->second->mPriority ;
return true ;
}
else
return false ;
}
void ftController::setPriority(const std::string& hash,DwlSpeed p)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string,ftFileControl*>::iterator it(mDownloads.find(hash)) ;
if(it != mDownloads.end())
it->second->mPriority = p ;
}
void ftController::cleanCacheDownloads()
{
std::vector<std::string> toCancel ;
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
for(std::map<std::string,ftFileControl*>::iterator it(mDownloads.begin());it!=mDownloads.end();++it)
if ((it->second)->mFlags & RS_FILE_HINTS_CACHE) //check if a cache file is downloaded, if the case, timeout the transfer after TIMOUT_CACHE_FILE_TRANSFER
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::run() cache transfer found. age of this tranfer is :" << (int)(time(NULL) - (it->second)->mCreateTime);
std::cerr << std::endl;
#endif
if ((time(NULL) - (it->second)->mCreateTime) > TIMOUT_CACHE_FILE_TRANSFER)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::run() cache transfer to old. Cancelling transfer. Hash :" << (it->second)->mHash << ", time=" << (it->second)->mCreateTime << ", now = " << time(NULL) ;
std::cerr << std::endl;
#endif
toCancel.push_back((it->second)->mHash);
}
}
}
for(uint32_t i=0;i<toCancel.size();++i)
FileCancel(toCancel[i]);
}
/* Called every 10 seconds or so */
void ftController::checkDownloadQueue()
{
// We do multiple things here:
//
// 1 - are there queued files ?
// YES
// 1.1 - check for inactive files (see below).
// - select one inactive file
// - close it temporarily
// - remove it from turtle handling
// - move the ftFileControl to queued list
// - set the queue priority to 1+largest in the queue.
// 1.2 - pop from the queue the 1st file to come (according to priority)
// - enable turtle router handling for this hash
// - reset counters
// - set the file as waiting
// NO
// Do nothing, because no files are waiting.
//
// 2 - in FileRequest, if the max number of downloaded files is exceeded, put the
// file in the queue list, and don't enable the turtle router handling.
//
// Implementation:
// - locate a hash in the queue
// - move hashes in the queue up/down/top/bottom
// - now the place of each ftFileControl element in the queue to activate/desactive them
//
// So:
// - change mDownloads to be a std::map<hash,ftFileControl*>
// - sort the ftFileControl* into a std::vector
// - store the queue position of each ftFileControl* into its own structure (mQueuePosition member)
//
// We don't want the turtle router to keep openning tunnels for queued files, so we only base
// the notion of inactive on the fact that no traffic happens for the file within 5 mins.
//
// How do we detect inactive files?
// For a downld file: - no traffic for 5 min.
RsStackMutex mtx(ctrlMutex) ;
#ifdef DEBUG_DWLQUEUE
std::cerr << "Checking download queue." << std::endl ;
#endif
if(mDownloads.size() <= _max_active_downloads)
return ;
// Check for inactive transfers.
//
time_t now = time(NULL) ;
uint32_t nb_moved = 0 ; // don't move more files than the size of the queue.
for(std::map<std::string,ftFileControl*>::const_iterator it(mDownloads.begin());it!=mDownloads.end() && nb_moved <= _max_active_downloads;++it)
if( it->second->mState != ftFileControl::QUEUED
&& it->second->mState != ftFileControl::PAUSED
&& now > it->second->mCreator->lastRecvTimeStamp() + (time_t)MAX_TIME_INACTIVE_REQUEUED)
{
#ifdef DEBUG_DWLQUEUE
std::cerr << " - Inactive file " << it->second->mName << " at position " << it->second->mQueuePosition << " moved to end of the queue. mState=" << it->second->mState << ", time lapse=" << now - it->second->mCreator->lastRecvTimeStamp() << std::endl ;
#endif
locked_bottomQueue(it->second->mQueuePosition) ;
#ifdef DEBUG_DWLQUEUE
std::cerr << " new position: " << it->second->mQueuePosition << std::endl ;
std::cerr << " new state: " << it->second->mState << std::endl ;
#endif
it->second->mCreator->resetRecvTimeStamp() ; // very important!
++nb_moved ;
}
}
void ftController::locked_addToQueue(ftFileControl* ftfc,int add_strategy)
{
#ifdef DEBUG_DWLQUEUE
std::cerr << "Queueing ftfileControl " << (void*)ftfc << ", name=" << ftfc->mName << std::endl ;
#endif
switch(add_strategy)
{
case FT_FILECONTROL_QUEUE_ADD_END: _queue.push_back(ftfc) ;
locked_checkQueueElement(_queue.size()-1) ;
break ;
case FT_FILECONTROL_QUEUE_ADD_AFTER_CACHE:
{
// We add the transfer just before the first non cache transfer.
//
uint32_t pos =0;
while(pos < _queue.size() && (_queue[pos]->mFlags & RS_FILE_HINTS_CACHE)>0)
++pos ;
_queue.push_back(NULL) ;
for(int i=int(_queue.size())-1;i>(int)pos;--i)
{
_queue[i] = _queue[i-1] ;
locked_checkQueueElement(i) ;
}
_queue[pos] = ftfc ;
locked_checkQueueElement(pos) ;
}
break ;
}
}
void ftController::locked_queueRemove(uint32_t pos)
{
for(uint32_t p=pos;p<_queue.size()-1;++p)
{
_queue[p]=_queue[p+1] ;
locked_checkQueueElement(p) ;
}
_queue.pop_back();
}
void ftController::setQueueSize(uint32_t s)
{
RsStackMutex mtx(ctrlMutex) ;
if(s > 0)
{
uint32_t old_s = _max_active_downloads ;
_max_active_downloads = s ;
#ifdef DEBUG_DWLQUEUE
std::cerr << "Settign new queue size to " << s << std::endl ;
#endif
for(uint32_t p=std::min(s,old_s);p<=std::max(s,old_s);++p)
if(p < _queue.size())
locked_checkQueueElement(p);
}
else
std::cerr << "ftController::setQueueSize(): cannot set queue to size " << s << std::endl ;
}
uint32_t ftController::getQueueSize()
{
RsStackMutex mtx(ctrlMutex) ;
return _max_active_downloads ;
}
void ftController::moveInQueue(const std::string& hash,QueueMove mv)
{
RsStackMutex mtx(ctrlMutex) ;
std::map<std::string,ftFileControl*>::iterator it(mDownloads.find(hash)) ;
if(it == mDownloads.end())
{
std::cerr << "ftController::moveInQueue: can't find hash " << hash << " in the download list." << std::endl ;
return ;
}
uint32_t pos = it->second->mQueuePosition ;
#ifdef DEBUG_DWLQUEUE
std::cerr << "Moving file " << hash << ", pos=" << pos << " to new pos." << std::endl ;
#endif
switch(mv)
{
case QUEUE_TOP: locked_topQueue(pos) ;
break ;
case QUEUE_BOTTOM: locked_bottomQueue(pos) ;
break ;
case QUEUE_UP: if(pos > 0)
locked_swapQueue(pos,pos-1) ;
break ;
case QUEUE_DOWN: if(pos < _queue.size()-1)
locked_swapQueue(pos,pos+1) ;
break ;
default:
std::cerr << "ftController::moveInQueue: unknown move " << mv << std::endl ;
}
}
void ftController::locked_topQueue(uint32_t pos)
{
ftFileControl *tmp=_queue[pos] ;
for(int p=pos;p>0;--p)
{
_queue[p]=_queue[p-1] ;
locked_checkQueueElement(p) ;
}
_queue[0]=tmp ;
locked_checkQueueElement(0) ;
}
void ftController::locked_bottomQueue(uint32_t pos)
{
ftFileControl *tmp=_queue[pos] ;
for(uint32_t p=pos;p<_queue.size()-1;++p)
{
_queue[p]=_queue[p+1] ;
locked_checkQueueElement(p) ;
}
_queue[_queue.size()-1]=tmp ;
locked_checkQueueElement(_queue.size()-1) ;
}
void ftController::locked_swapQueue(uint32_t pos1,uint32_t pos2)
{
// Swap the element at position pos with the last element of the queue
if(pos1==pos2)
return ;
ftFileControl *tmp = _queue[pos1] ;
_queue[pos1] = _queue[pos2] ;
_queue[pos2] = tmp;
locked_checkQueueElement(pos1) ;
locked_checkQueueElement(pos2) ;
}
void ftController::locked_checkQueueElement(uint32_t pos)
{
_queue[pos]->mQueuePosition = pos ;
if(pos < _max_active_downloads && _queue[pos]->mState != ftFileControl::PAUSED)
{
if(_queue[pos]->mState == ftFileControl::QUEUED)
_queue[pos]->mCreator->resetRecvTimeStamp() ;
_queue[pos]->mState = ftFileControl::DOWNLOADING ;
if(_queue[pos]->mFlags & RS_FILE_HINTS_NETWORK_WIDE)
mTurtle->monitorFileTunnels(_queue[pos]->mName,_queue[pos]->mHash,_queue[pos]->mSize) ;
}
if(pos >= _max_active_downloads && _queue[pos]->mState != ftFileControl::QUEUED && _queue[pos]->mState != ftFileControl::PAUSED)
{
_queue[pos]->mState = ftFileControl::QUEUED ;
_queue[pos]->mCreator->closeFile() ;
if(_queue[pos]->mFlags & RS_FILE_HINTS_NETWORK_WIDE)
mTurtle->stopMonitoringFileTunnels(_queue[pos]->mHash) ;
}
}
bool ftController::FlagFileComplete(std::string hash)
{
RsStackMutex stack2(doneMutex);
mDone.push_back(hash);
#ifdef CONTROL_DEBUG
std::cerr << "ftController:FlagFileComplete(" << hash << ")";
std::cerr << std::endl;
#endif
return true;
}
bool ftController::moveFile(const std::string& source,const std::string& dest)
{
// First try a rename
//
#ifdef WINDOWS_SYS
std::wstring sourceW;
std::wstring destW;
librs::util::ConvertUtf8ToUtf16(source,sourceW);
librs::util::ConvertUtf8ToUtf16(dest,destW);
if( 0 != MoveFileW(sourceW.c_str(), destW.c_str()))
#else
if (0 == rename(source.c_str(), dest.c_str()))
#endif
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() renaming to: ";
std::cerr << dest;
std::cerr << std::endl;
#endif
return true ;
}
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() FAILED mv to: ";
std::cerr << dest;
std::cerr << std::endl;
std::cerr << "trying copy" << std::endl ;
#endif
// We could not rename, probably because we're dealing with different file systems.
// Let's copy then.
#ifdef WINDOWS_SYS
if(CopyFileW(sourceW.c_str(), destW.c_str(), FALSE) == 0)
#else
if(!copyFile(source,dest))
#endif
return false ;
// copy was successfull, let's delete the original
std::cerr << "deleting original file " << source << std::endl ;
#ifdef WINDOWS_SYS
if(0 != DeleteFileW(sourceW.c_str()))
#else
if(0 == remove(source.c_str()))
#endif
return true ;
else
{
getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "File erase error", "Error while removing hash file " + dest + "\nRead-only file system ?");
return false ;
}
}
bool ftController::copyFile(const std::string& source,const std::string& dest)
{
FILE *in = fopen(source.c_str(),"rb") ;
if(in == NULL)
{
getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "File copy error", "Error while copying file " + dest + "\nCannot open input file "+source);
return false ;
}
FILE *out = fopen(dest.c_str(),"wb") ;
if(out == NULL)
{
getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "File copy error", "Error while copying file " + dest + "\nCheck for disk full, or write permission ?\nOriginal file kept under the name "+source);
fclose (in);
return false ;
}
size_t s=0;
size_t T=0;
static const int BUFF_SIZE = 10485760 ; // 10 MB buffer to speed things up.
void *buffer = malloc(BUFF_SIZE) ;
bool bRet = true;
while( (s = fread(buffer,1,BUFF_SIZE,in)) > 0)
{
size_t t = fwrite(buffer,1,s,out) ;
T += t ;
if(t != s)
{
getPqiNotify()->AddSysMessage(0, RS_SYS_WARNING, "File copy error", "Error while copying file " + dest + "\nIs your disc full ?\nOriginal file kept under the name "+source);
bRet = false ;
break;
}
}
fclose(in) ;
fclose(out) ;
free(buffer) ;
return true ;
}
bool ftController::completeFile(std::string hash)
{
/* variables... so we can drop mutex later */
std::string path;
std::string name;
uint64_t size = 0;
uint32_t state = 0;
uint32_t period = 0;
uint32_t flags = 0;
uint32_t extraflags = 0;
uint32_t completeCount = 0;
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
#ifdef CONTROL_DEBUG
std::cerr << "ftController:completeFile(" << hash << ")";
std::cerr << std::endl;
#endif
std::map<std::string, ftFileControl*>::iterator it(mDownloads.find(hash));
if (it == mDownloads.end())
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController:completeFile(" << hash << ")";
std::cerr << " Not Found!";
std::cerr << std::endl;
#endif
return false;
}
/* check if finished */
if (!(it->second)->mCreator->finished())
{
/* not done! */
#ifdef CONTROL_DEBUG
std::cerr << "ftController:completeFile(" << hash << ")";
std::cerr << " Transfer Not Done";
std::cerr << std::endl;
std::cerr << "FileSize: ";
std::cerr << (it->second)->mCreator->getFileSize();
std::cerr << " and Recvd: ";
std::cerr << (it->second)->mCreator->getRecvd();
#endif
return false;
}
ftFileControl *fc = it->second;
// (csoler) I've postponed this to the end of the block because deleting the
// element from the map calls the destructor of fc->mTransfer, which
// makes fc to point to nothing and causes random behavior/crashes.
//
// mDataplex->removeTransferModule(fc->mTransfer->hash());
//
/* done - cleanup */
// (csoler) I'm copying this because "delete fc->mTransfer" deletes the hash string!
std::string hash_to_suppress(fc->mTransfer->hash());
if (fc->mTransfer)
{
delete fc->mTransfer;
fc->mTransfer = NULL;
}
if (fc->mCreator)
{
fc->mCreator->closeFile() ;
delete fc->mCreator;
fc->mCreator = NULL;
}
fc->mState = ftFileControl::COMPLETED;
// I don't know how the size can be zero, but believe me, this happens,
// and it causes an error on linux because then the file may not even exist.
//
if( fc->mSize > 0 && moveFile(fc->mCurrentPath,fc->mDestination) )
fc->mCurrentPath = fc->mDestination;
else
fc->mState = ftFileControl::ERROR_COMPLETION;
/* for extralist additions */
path = fc->mDestination;
name = fc->mName;
//hash = fc->mHash;
size = fc->mSize;
state = fc->mState;
period = 30 * 24 * 3600; /* 30 days */
extraflags = 0;
#ifdef CONTROL_DEBUG
std::cerr << "CompleteFile(): size = " << size << std::endl ;
#endif
mDataplex->removeTransferModule(hash_to_suppress) ;
flags = fc->mFlags ;
locked_queueRemove(it->second->mQueuePosition) ;
/* switch map */
if (!(fc->mFlags & RS_FILE_HINTS_CACHE)) /* clean up completed cache files automatically */
{
mCompleted[fc->mHash] = fc;
completeCount = mCompleted.size();
} else
delete fc ;
mDownloads.erase(it);
if(flags & RS_FILE_HINTS_NETWORK_WIDE)
mTurtle->stopMonitoringFileTunnels(hash_to_suppress) ;
} /******* UNLOCKED ********/
/******************** NO Mutex from Now ********************
* cos Callback can end up back in this class.
***********************************************************/
/* If it has a callback - do it now */
if(flags & ( RS_FILE_HINTS_CACHE | RS_FILE_HINTS_EXTRA | RS_FILE_HINTS_MEDIA))
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() doing Callback, callbackflags:" << (flags & ( RS_FILE_HINTS_CACHE | RS_FILE_HINTS_EXTRA | RS_FILE_HINTS_MEDIA)) ;
std::cerr << std::endl;
#endif
if(flags & RS_FILE_HINTS_CACHE)
{
/* callback */
if (state == ftFileControl::COMPLETED)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() doing Callback : Success";
std::cerr << std::endl;
#endif
CompletedCache(hash);
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() Cache Callback : Failed";
std::cerr << std::endl;
#endif
FailedCache(hash);
}
}
if(flags & RS_FILE_HINTS_EXTRA)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() adding to ExtraList";
std::cerr << std::endl;
#endif
mExtraList->addExtraFile(path, hash, size, period, extraflags);
}
if(flags & RS_FILE_HINTS_MEDIA)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() NULL MEDIA callback";
std::cerr << std::endl;
#endif
}
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::completeFile() No callback";
std::cerr << std::endl;
#endif
}
/* Notify GUI */
if ((flags & RS_FILE_HINTS_CACHE) == 0) {
pqiNotify *notify = getPqiNotify();
if (notify) {
notify->AddPopupMessage(RS_POPUP_DOWNLOAD, hash, name, "");
}
rsicontrol->getNotify().notifyDownloadComplete(hash);
rsicontrol->getNotify().notifyDownloadCompleteCount(completeCount);
}
IndicateConfigChanged(); /* completed transfer -> save */
return true;
}
/***************************************************************/
/********************** Controller Access **********************/
/***************************************************************/
const uint32_t FT_CNTRL_STANDARD_RATE = 1024 * 1024;
const uint32_t FT_CNTRL_SLOW_RATE = 10 * 1024;
bool ftController::activate()
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
mFtActive = true;
mFtPendingDone = false;
return true;
}
bool ftController::isActiveAndNoPending()
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
return (mFtActive && mFtPendingDone);
}
bool ftController::handleAPendingRequest()
{
ftPendingRequest req;
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
if (mPendingRequests.size() < 1)
{
return false;
}
req = mPendingRequests.front();
mPendingRequests.pop_front();
}
#ifdef CONTROL_DEBUG
std::cerr << "Requesting pending hash " << req.mHash << std::endl ;
#endif
FileRequest(req.mName, req.mHash, req.mSize, req.mDest, req.mFlags, req.mSrcIds);
{
// See whether there is a pendign chunk map recorded for this hash.
//
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string,RsFileTransfer*>::iterator it(mPendingChunkMaps.find(req.mHash)) ;
if(it != mPendingChunkMaps.end())
{
RsFileTransfer *rsft = it->second ;
std::map<std::string, ftFileControl*>::iterator fit = mDownloads.find(rsft->file.hash);
if((fit==mDownloads.end() || (fit->second)->mCreator == NULL))
{
// This should never happen, because the last call to FileRequest must have created the fileCreator!!
//
std::cerr << "ftController::loadList(): Error: could not find hash " << rsft->file.hash << " in mDownloads list !" << std::endl ;
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << "Hash " << req.mHash << " is in downloads" << std::endl ;
std::cerr << " setting chunk strategy to " << rsft->chunk_strategy << std::endl;
#endif
(fit->second)->mCreator->setAvailabilityMap(rsft->compressed_chunk_map) ;
(fit->second)->mCreator->setChunkStrategy((FileChunksInfo::ChunkStrategy)(rsft->chunk_strategy)) ;
}
delete rsft ;
mPendingChunkMaps.erase(it) ;
}
#ifdef CONTROL_DEBUG
else
std::cerr << "No pending chunkmap for hash " << req.mHash << std::endl ;
#endif
}
return true ;
}
bool ftController::alreadyHaveFile(const std::string& hash, FileInfo &info)
{
// check for downloads
if (FileDetails(hash, info) && (info.downloadStatus == FT_STATE_COMPLETE))
return true ;
// check for file lists
if (mSearch->search(hash, RS_FILE_HINTS_NETWORK_WIDE | RS_FILE_HINTS_BROWSABLE | RS_FILE_HINTS_LOCAL | RS_FILE_HINTS_EXTRA | RS_FILE_HINTS_SPEC_ONLY, info))
return true ;
return false ;
}
bool ftController::FileRequest(const std::string& fname, const std::string& hash,
uint64_t size, const std::string& dest, uint32_t flags,
const std::list<std::string> &_srcIds)
{
std::list<std::string> srcIds(_srcIds) ;
/* check if we have the file */
FileInfo info;
if(alreadyHaveFile(hash, info))
return false ;
if(size == 0) // we treat this special case because
{
/* if no destpath - send to download directory */
std::string destination ;
if (dest == "")
destination = mDownloadPath + "/" + fname;
else
destination = dest + "/" + fname;
// create void file with the target name.
#ifdef WINDOWS_SYS
std::wstring destinationW;
librs::util::ConvertUtf8ToUtf16(destination, destinationW);
FILE *f = _wfopen(destinationW.c_str(), L"w");
#else
FILE *f = fopen(destination.c_str(),"w") ;
#endif
if(f == NULL)
std::cerr << "Could not open file " << destination << " for writting." << std::endl ;
else
fclose(f) ;
return true ;
}
// Bugs in the cache system can cause files with arbitrary size to be
// requested, causing a division by zero in ftChunkMap when size > 1MB *
// (2^32-1). I thus conservatively check for large size values.
//
if(size >= 1024ull*1024ull*((1ull << 32) - 1))
{
std::cerr << "FileRequest Error: unexpected size. This is probably a bug." << std::endl;
std::cerr << " name = " << fname << std::endl ;
std::cerr << " flags = " << flags << std::endl ;
std::cerr << " dest = " << dest << std::endl ;
std::cerr << " size = " << size << std::endl ;
return false ;
}
/* If file transfer is not enabled ....
* save request for later. This will also
* mean that we will have to copy local files,
* or have a callback which says: local file.
*/
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
if (!mFtActive)
{
/* store in pending queue */
ftPendingRequest req(fname, hash, size, dest, flags, srcIds);
mPendingRequests.push_back(req);
return true;
}
}
std::list<std::string>::const_iterator it;
std::list<TransferInfo>::const_iterator pit;
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest(" << fname << ",";
std::cerr << hash << "," << size << "," << dest << ",";
std::cerr << flags << ",<";
for(it = srcIds.begin(); it != srcIds.end(); it++)
{
std::cerr << *it << ",";
}
std::cerr << ">)";
std::cerr << std::endl;
#endif
std::string ownId = mConnMgr->getOwnId();
uint32_t rate = 0;
if (flags & RS_FILE_HINTS_BACKGROUND)
rate = FT_CNTRL_SLOW_RATE;
else
rate = FT_CNTRL_STANDARD_RATE;
/* First check if the file is already being downloaded....
* This is important as some guis request duplicate files regularly.
*/
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl*>::const_iterator dit = mDownloads.find(hash);
if (dit != mDownloads.end())
{
/* we already have it! */
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() Already Downloading File";
std::cerr << std::endl;
std::cerr << "\tNo need to download";
std::cerr << std::endl;
#endif
/* but we should add this peer - if they don't exist!
* (needed for channels).
*/
for(it = srcIds.begin(); it != srcIds.end(); it++)
{
uint32_t i, j;
if ((dit->second)->mTransfer->getPeerState(*it, i, j))
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() Peer Existing";
std::cerr << std::endl;
#endif
continue; /* already added peer */
}
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() Adding Peer: " << *it;
std::cerr << std::endl;
#endif
(dit->second)->mTransfer->addFileSource(*it);
setPeerState(dit->second->mTransfer, *it, rate, mConnMgr->isOnline(*it));
IndicateConfigChanged(); /* new peer for transfer -> save */
}
if (srcIds.size() == 0)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() WARNING: No Src Peers";
std::cerr << std::endl;
#endif
}
return true;
}
} /******* UNLOCKED ********/
if(!(flags & RS_FILE_HINTS_NO_SEARCH))
{
/* do a source search - for any extra sources */
// add sources only in direct mode
//
if ((!(flags & RS_FILE_HINTS_NETWORK_WIDE)) && mSearch->search(hash, RS_FILE_HINTS_REMOTE | RS_FILE_HINTS_SPEC_ONLY, info))
{
/* do something with results */
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() Found Other Sources";
std::cerr << std::endl;
#endif
/* if the sources don't exist already - add in */
for(pit = info.peers.begin(); pit != info.peers.end(); pit++)
{
#ifdef CONTROL_DEBUG
std::cerr << "\tSource: " << pit->peerId;
std::cerr << std::endl;
#endif
if (srcIds.end() == std::find( srcIds.begin(), srcIds.end(), pit->peerId))
{
srcIds.push_back(pit->peerId);
#ifdef CONTROL_DEBUG
std::cerr << "\tAdding in: " << pit->peerId;
std::cerr << std::endl;
#endif
}
}
}
}
/* add in new item for download */
std::string savepath;
std::string destination;
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
savepath = mPartialsPath + "/" + hash;
destination = dest + "/" + fname;
/* if no destpath - send to download directory */
if (dest == "")
destination = mDownloadPath + "/" + fname;
} /******* UNLOCKED ********/
// We check that flags are consistent.
if(flags & RS_FILE_HINTS_NETWORK_WIDE)
mTurtle->monitorFileTunnels(fname,hash,size) ;
bool assume_availability = flags & RS_FILE_HINTS_CACHE ; // assume availability for cache files
ftFileCreator *fc = new ftFileCreator(savepath, size, hash,assume_availability);
ftTransferModule *tm = new ftTransferModule(fc, mDataplex,this);
#ifdef CONTROL_DEBUG
std::cerr << "Note: setting chunk strategy to " << mDefaultChunkStrategy <<std::endl ;
#endif
fc->setChunkStrategy(mDefaultChunkStrategy) ;
/* add into maps */
ftFileControl *ftfc = new ftFileControl(fname, savepath, destination, size, hash, flags, fc, tm);
ftfc->mCreateTime = time(NULL);
/* now add source peers (and their current state) */
tm->setFileSources(srcIds);
/* get current state for transfer module */
for(it = srcIds.begin(); it != srcIds.end(); it++)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() adding peer: " << *it;
std::cerr << std::endl;
#endif
setPeerState(tm, *it, rate, mConnMgr->isOnline(*it));
}
/* add structures into the accessible data. Needs to be locked */
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
locked_addToQueue(ftfc, (flags & RS_FILE_HINTS_CACHE)?FT_FILECONTROL_QUEUE_ADD_AFTER_CACHE : FT_FILECONTROL_QUEUE_ADD_END ) ;
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileRequest() Created ftFileCreator @: " << fc;
std::cerr << std::endl;
std::cerr << "ftController::FileRequest() Created ftTransModule @: " << tm;
std::cerr << std::endl;
std::cerr << "ftController::FileRequest() Created ftFileControl." ;
std::cerr << std::endl;
#endif
/* add to ClientModule */
mDataplex->addTransferModule(tm, fc);
mDownloads[hash] = ftfc;
}
IndicateConfigChanged(); /* completed transfer -> save */
return true;
}
bool ftController::setPeerState(ftTransferModule *tm, std::string id, uint32_t maxrate, bool online)
{
if (id == mConnMgr->getOwnId())
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::setPeerState() is Self";
std::cerr << std::endl;
#endif
tm->setPeerState(id, PQIPEER_IDLE, maxrate);
}
else if (online || mTurtle->isOnline(id))
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::setPeerState()";
std::cerr << " Peer is Online";
std::cerr << std::endl;
#endif
tm->setPeerState(id, PQIPEER_IDLE, maxrate);
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::setPeerState()";
std::cerr << " Peer is Offline";
std::cerr << std::endl;
#endif
tm->setPeerState(id, PQIPEER_NOT_ONLINE, maxrate);
}
return true;
}
bool ftController::setChunkStrategy(const std::string& hash,FileChunksInfo::ChunkStrategy s)
{
std::map<std::string,ftFileControl*>::iterator mit=mDownloads.find(hash);
if (mit==mDownloads.end())
{
#ifdef CONTROL_DEBUG
std::cerr<<"ftController::setChunkStrategy file is not found in mDownloads"<<std::endl;
#endif
return false;
}
mit->second->mCreator->setChunkStrategy(s) ;
return true ;
}
bool ftController::FileCancel(const std::string& hash)
{
rsTurtle->stopMonitoringFileTunnels(hash) ;
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileCancel" << std::endl;
#endif
/*check if the file in the download map*/
{
RsStackMutex mtx(ctrlMutex) ;
std::map<std::string,ftFileControl*>::iterator mit=mDownloads.find(hash);
if (mit==mDownloads.end())
{
#ifdef CONTROL_DEBUG
std::cerr<<"ftController::FileCancel file is not found in mDownloads"<<std::endl;
#endif
return false;
}
/* check if finished */
if ((mit->second)->mCreator->finished())
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController:FileCancel(" << hash << ")";
std::cerr << " Transfer Already finished";
std::cerr << std::endl;
std::cerr << "FileSize: ";
std::cerr << (mit->second)->mCreator->getFileSize();
std::cerr << " and Recvd: ";
std::cerr << (mit->second)->mCreator->getRecvd();
#endif
return false;
}
/*find the point to transfer module*/
ftTransferModule* ft=(mit->second)->mTransfer;
ft->cancelTransfer();
ftFileControl *fc = mit->second;
mDataplex->removeTransferModule(fc->mTransfer->hash());
if (fc->mTransfer)
{
delete fc->mTransfer;
fc->mTransfer = NULL;
}
if (fc->mCreator)
{
delete fc->mCreator;
fc->mCreator = NULL;
}
/* delete the temporary file */
if (0 == remove(fc->mCurrentPath.c_str()))
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileCancel() remove temporary file ";
std::cerr << fc->mCurrentPath;
std::cerr << std::endl;
#endif
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileCancel() fail to remove file ";
std::cerr << fc->mCurrentPath;
std::cerr << std::endl;
#endif
}
locked_queueRemove(fc->mQueuePosition) ;
delete fc ;
mDownloads.erase(mit);
}
IndicateConfigChanged(); /* completed transfer -> save */
return true;
}
bool ftController::FileControl(const std::string& hash, uint32_t flags)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileControl(" << hash << ",";
std::cerr << flags << ")"<<std::endl;
#endif
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
/*check if the file in the download map*/
std::map<std::string,ftFileControl*>::iterator mit=mDownloads.find(hash);
if (mit==mDownloads.end())
{
#ifdef CONTROL_DEBUG
std::cerr<<"ftController::FileControl file is not found in mDownloads"<<std::endl;
#endif
return false;
}
/*find the point to transfer module*/
switch (flags)
{
case RS_FILE_CTRL_PAUSE:
mit->second->mState = ftFileControl::PAUSED ;
std::cerr << "setting state to " << ftFileControl::PAUSED << std::endl ;
break;
case RS_FILE_CTRL_START:
mit->second->mState = ftFileControl::DOWNLOADING ;
std::cerr << "setting state to " << ftFileControl::DOWNLOADING << std::endl ;
break;
case RS_FILE_CTRL_FORCE_CHECK:
mit->second->mTransfer->forceCheck();
std::cerr << "setting state to " << ftFileControl::CHECKING_HASH << std::endl ;
break;
default:
return false;
}
return true;
}
bool ftController::FileClearCompleted()
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::FileClearCompleted()" <<std::endl;
#endif
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
for(std::map<std::string, ftFileControl*>::iterator it(mCompleted.begin());it!=mCompleted.end();++it)
delete it->second ;
mCompleted.clear();
IndicateConfigChanged();
} /******* UNLOCKED ********/
rsicontrol->getNotify().notifyDownloadCompleteCount(0);
return false;
}
/* get Details of File Transfers */
bool ftController::FileDownloads(std::list<std::string> &hashs)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl*>::iterator it;
for(it = mDownloads.begin(); it != mDownloads.end(); it++)
{
hashs.push_back(it->second->mHash);
}
for(it = mCompleted.begin(); it != mCompleted.end(); it++)
{
hashs.push_back(it->second->mHash);
}
return true;
}
/* Directory Handling */
bool ftController::setDownloadDirectory(std::string path)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::setDownloadDirectory(" << path << ")";
std::cerr << std::endl;
#endif
/* check if it exists */
if (RsDirUtil::checkCreateDirectory(path))
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
mDownloadPath = path;
#ifdef CONTROL_DEBUG
std::cerr << "ftController::setDownloadDirectory() Okay!";
std::cerr << std::endl;
#endif
IndicateConfigChanged();
return true;
}
#ifdef CONTROL_DEBUG
std::cerr << "ftController::setDownloadDirectory() Failed";
std::cerr << std::endl;
#endif
return false;
}
bool ftController::setPartialsDirectory(std::string path)
{
/* check it is not a subdir of download / shared directories (BAD) - TODO */
{
RsStackMutex stack(ctrlMutex);
if (!path.find(mDownloadPath)) {
return false;
}
if (rsFiles) {
std::list<SharedDirInfo>::iterator it;
std::list<SharedDirInfo> dirs;
rsFiles->getSharedDirectories(dirs);
for (it = dirs.begin(); it != dirs.end(); it++) {
if (!path.find((*it).filename)) {
return false;
}
}
}
}
/* check if it exists */
if (RsDirUtil::checkCreateDirectory(path))
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
mPartialsPath = path;
#if 0 /*** FIX ME !!!**************/
/* move all existing files! */
std::map<std::string, ftFileControl>::iterator it;
for(it = mDownloads.begin(); it != mDownloads.end(); it++)
{
(it->second).mCreator->changePartialDirectory(mPartialPath);
}
#endif
IndicateConfigChanged();
return true;
}
return false;
}
std::string ftController::getDownloadDirectory()
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
return mDownloadPath;
}
std::string ftController::getPartialsDirectory()
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
return mPartialsPath;
}
bool ftController::FileDetails(const std::string &hash, FileInfo &info)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
bool completed = false;
std::map<std::string, ftFileControl*>::iterator it = mDownloads.find(hash);
if (it == mDownloads.end())
{
/* search completed files too */
it = mCompleted.find(hash);
if (it == mCompleted.end())
{
/* Note: mTransfer & mCreator
* are both NULL
*/
return false;
}
completed = true;
}
/* extract details */
info.hash = hash;
info.fname = it->second->mName;
info.flags = it->second->mFlags;
info.path = RsDirUtil::removeTopDir(it->second->mDestination); /* remove fname */
info.priority = it->second->mPriority ;
info.queue_position = it->second->mQueuePosition ;
/* get list of sources from transferModule */
std::list<std::string> peerIds;
std::list<std::string>::iterator pit;
if (!completed)
it->second->mTransfer->getFileSources(peerIds);
double totalRate = 0;
uint32_t tfRate = 0;
uint32_t state = 0;
bool isDownloading = false;
bool isSuspended = false;
for(pit = peerIds.begin(); pit != peerIds.end(); pit++)
{
if (it->second->mTransfer->getPeerState(*pit, state, tfRate))
{
TransferInfo ti;
switch(state)
{
case PQIPEER_INIT:
ti.status = FT_STATE_OKAY;
break;
case PQIPEER_NOT_ONLINE:
ti.status = FT_STATE_WAITING;
break;
case PQIPEER_DOWNLOADING:
isDownloading = true;
ti.status = FT_STATE_DOWNLOADING;
break;
case PQIPEER_IDLE:
ti.status = FT_STATE_OKAY;
break;
default:
case PQIPEER_SUSPEND:
isSuspended = true;
ti.status = FT_STATE_FAILED;
break;
}
ti.tfRate = tfRate / 1024.0;
ti.peerId = *pit;
info.peers.push_back(ti);
totalRate += tfRate / 1024.0;
}
}
if ((completed) || ((it->second)->mCreator->finished()))
{
info.downloadStatus = FT_STATE_COMPLETE;
}
else if (isDownloading)
{
info.downloadStatus = FT_STATE_DOWNLOADING;
}
else if (isSuspended)
{
info.downloadStatus = FT_STATE_FAILED;
}
else
{
info.downloadStatus = FT_STATE_WAITING;
}
if(it->second->mState == ftFileControl::QUEUED)
info.downloadStatus = FT_STATE_QUEUED ;
if(it->second->mState == ftFileControl::PAUSED)
info.downloadStatus = FT_STATE_PAUSED ;
if((!completed) && it->second->mTransfer->isCheckingHash())
info.downloadStatus = FT_STATE_CHECKING_HASH ;
info.tfRate = totalRate;
info.size = (it->second)->mSize;
if (completed)
{
info.transfered = info.size;
info.avail = info.transfered;
}
else
{
info.transfered = (it->second)->mCreator->getRecvd();
info.avail = info.transfered;
}
return true;
}
/***************************************************************/
/********************** Controller Access **********************/
/***************************************************************/
/* pqiMonitor callback:
* Used to tell TransferModules new available peers
*/
void ftController::statusChange(const std::list<pqipeer> &plist)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
uint32_t rate = FT_CNTRL_STANDARD_RATE;
/* add online to all downloads */
std::map<std::string, ftFileControl*>::iterator it;
std::list<pqipeer>::const_iterator pit;
std::list<pqipeer> vlist ;
mTurtle->getVirtualPeersList(vlist) ;
#ifdef CONTROL_DEBUG
std::cerr << "ftController::statusChange()";
std::cerr << std::endl;
#endif
for(it = mDownloads.begin(); it != mDownloads.end(); it++)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::statusChange() Updating Hash:";
std::cerr << it->first;
std::cerr << std::endl;
#endif
for(pit = plist.begin(); pit != plist.end(); pit++)
{
#ifdef CONTROL_DEBUG
std::cerr << "Peer: " << pit->id;
#endif
if (pit->actions & RS_PEER_CONNECTED)
{
#ifdef CONTROL_DEBUG
std::cerr << " is Newly Connected!";
std::cerr << std::endl;
#endif
setPeerState(it->second->mTransfer, pit->id, rate, true);
}
else if (pit->actions & RS_PEER_DISCONNECTED)
{
#ifdef CONTROL_DEBUG
std::cerr << " is Just disconnected!";
std::cerr << std::endl;
#endif
setPeerState(it->second->mTransfer, pit->id, rate, false);
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << " had something happen to it: ";
std::cerr << pit-> actions;
std::cerr << std::endl;
#endif
setPeerState(it->second->mTransfer, pit->id, rate, false);
}
}
// Now also look at turtle virtual peers.
//
for(pit = vlist.begin(); pit != vlist.end(); pit++)
{
#ifdef CONTROL_DEBUG
std::cerr << "Peer: " << pit->id;
#endif
if (pit->actions & RS_PEER_CONNECTED)
{
#ifdef CONTROL_DEBUG
std::cerr << " is Newly Connected!";
std::cerr << std::endl;
#endif
setPeerState(it->second->mTransfer, pit->id, rate, true);
}
else if (pit->actions & RS_PEER_DISCONNECTED)
{
#ifdef CONTROL_DEBUG
std::cerr << " is Just disconnected!";
std::cerr << std::endl;
#endif
setPeerState(it->second->mTransfer, pit->id, rate, false);
}
else
{
#ifdef CONTROL_DEBUG
std::cerr << " had something happen to it: ";
std::cerr << pit-> actions;
std::cerr << std::endl;
#endif
setPeerState(it->second->mTransfer, pit->id, rate, false);
}
}
}
}
/* Cache Interface */
bool ftController::RequestCacheFile(RsPeerId id, std::string path, std::string hash, uint64_t size)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::RequestCacheFile(" << id << ",";
std::cerr << path << "," << hash << "," << size << ")";
std::cerr << std::endl;
#endif
/* Request File */
std::list<std::string> ids;
ids.push_back(id);
FileInfo info ;
if(mSearch->search(hash, RS_FILE_HINTS_CACHE, info))
{
#ifdef CONTROL_DEBUG
std::cerr << "I already have this file:" << std::endl ;
std::cerr << " path: " << info.path << std::endl ;
std::cerr << " fname: " << info.fname << std::endl ;
std::cerr << " hash: " << info.hash << std::endl ;
std::cerr << "Copying it !!" << std::endl ;
#endif
if(info.size > 0 && copyFile(info.path,path+"/"+hash))
{
CompletedCache(hash);
return true ;
}
else
return false ;
}
FileRequest(hash, hash, size, path, RS_FILE_HINTS_CACHE | RS_FILE_HINTS_NO_SEARCH, ids);
return true;
}
bool ftController::CancelCacheFile(RsPeerId id, std::string path, std::string hash, uint64_t size)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftController::CancelCacheFile(" << id << ",";
std::cerr << path << "," << hash << "," << size << ")";
std::cerr << std::endl;
#endif
return true;
}
const std::string download_dir_ss("DOWN_DIR");
const std::string partial_dir_ss("PART_DIR");
const std::string share_dwl_dir("SHARE_DWL_DIR");
const std::string default_chunk_strategy_ss("DEFAULT_CHUNK_STRATEGY");
const std::string free_space_limit_ss("FREE_SPACE_LIMIT");
/* p3Config Interface */
RsSerialiser *ftController::setupSerialiser()
{
RsSerialiser *rss = new RsSerialiser();
/* add in the types we need! */
rss->addSerialType(new RsFileConfigSerialiser());
rss->addSerialType(new RsGeneralConfigSerialiser());
return rss;
}
bool ftController::saveList(bool &cleanup, std::list<RsItem *>& saveData)
{
/* it can delete them! */
cleanup = true;
/* create a key/value set for most of the parameters */
std::map<std::string, std::string> configMap;
std::map<std::string, std::string>::iterator mit;
std::list<std::string>::iterator it;
/* basic control parameters */
configMap[download_dir_ss] = getDownloadDirectory();
configMap[partial_dir_ss] = getPartialsDirectory();
configMap[share_dwl_dir] = mShareDownloadDir ? "YES" : "NO";
configMap[default_chunk_strategy_ss] = (mDefaultChunkStrategy==FileChunksInfo::CHUNK_STRATEGY_STREAMING) ? "STREAMING" : "RANDOM";
std::ostringstream s ;
s << RsDiscSpace::freeSpaceLimit();
configMap[free_space_limit_ss] = s.str() ;
RsConfigKeyValueSet *rskv = new RsConfigKeyValueSet();
/* Convert to TLV */
for(mit = configMap.begin(); mit != configMap.end(); mit++)
{
RsTlvKeyValue kv;
kv.key = mit->first;
kv.value = mit->second;
rskv->tlvkvs.pairs.push_back(kv);
}
/* Add KeyValue to saveList */
saveData.push_back(rskv);
/* get list of Downloads ....
* strip out Caches / ExtraList / Channels????
* (anything with a callback?)
* - most systems will restart missing files.
*/
/* get Details of File Transfers */
std::list<std::string> hashs;
FileDownloads(hashs);
for(it = hashs.begin(); it != hashs.end(); it++)
{
/* stack mutex released each loop */
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl*>::iterator fit = mDownloads.find(*it);
if (fit == mDownloads.end())
continue;
/* ignore cache files. As this is small files, better download them again from scratch at restart.*/
if (fit->second->mFlags & RS_FILE_HINTS_CACHE)
{
#ifdef CONTROL_DEBUG
std::cerr << "ftcontroller::saveList(): Not saving (callback) file entry " << fit->second->mName << ", " << fit->second->mHash << ", " << fit->second->mSize << std::endl ;
#endif
continue;
}
if ((fit->second)->mCreator->finished())
continue;
/* make RsFileTransfer item for save list */
RsFileTransfer *rft = new RsFileTransfer();
/* what data is important? */
rft->file.name = fit->second->mName;
rft->file.hash = fit->second->mHash;
rft->file.filesize = fit->second->mSize;
rft->file.path = RsDirUtil::removeTopDir(fit->second->mDestination); /* remove fname */
rft->flags = fit->second->mFlags;
rft->state = fit->second->mState;
fit->second->mTransfer->getFileSources(rft->allPeerIds.ids);
// just avoid uninitialised memory reads
rft->in = 0 ;
rft->cPeerId = "" ;
rft->transferred = fit->second->mCreator->getRecvd();
rft->crate = 0 ;
rft->lrate = 0 ;
rft->trate = 0 ;
rft->ltransfer = 0 ;
// Remove turtle peers from sources, as they are not supposed to survive a reboot of RS, since they are dynamic sources.
// Otherwize, such sources are unknown from the turtle router, at restart, and never get removed.
//
for(std::list<std::string>::iterator sit(rft->allPeerIds.ids.begin());sit!=rft->allPeerIds.ids.end();)
if(mTurtle->isTurtlePeer(*sit))
{
std::list<std::string>::iterator sittmp(sit) ;
++sittmp ;
rft->allPeerIds.ids.erase(sit) ;
sit = sittmp ;
}
else
++sit ;
fit->second->mCreator->getAvailabilityMap(rft->compressed_chunk_map) ;
rft->chunk_strategy = fit->second->mCreator->getChunkStrategy() ;
saveData.push_back(rft);
}
/* list completed! */
return true;
}
bool ftController::loadList(std::list<RsItem *>& load)
{
std::list<RsItem *>::iterator it;
std::list<RsTlvKeyValue>::iterator kit;
RsConfigKeyValueSet *rskv;
RsFileTransfer *rsft;
#ifdef CONTROL_DEBUG
std::cerr << "ftController::loadList() Item Count: " << load.size();
std::cerr << std::endl;
#endif
for(it = load.begin(); it != load.end(); it++)
{
/* switch on type */
if (NULL != (rskv = dynamic_cast<RsConfigKeyValueSet *>(*it)))
{
/* make into map */
std::map<std::string, std::string> configMap;
for(kit = rskv->tlvkvs.pairs.begin();
kit != rskv->tlvkvs.pairs.end(); kit++)
{
configMap[kit->key] = kit->value;
}
loadConfigMap(configMap);
}
else if (NULL != (rsft = dynamic_cast<RsFileTransfer *>(*it)))
{
/* This will get stored on a waiting list - until the
* config files are fully loaded
*/
#ifdef CONTROL_DEBUG
std::cerr << "ftController::loadList(): requesting " << rsft->file.name << ", " << rsft->file.hash << ", " << rsft->file.filesize << std::endl ;
#endif
FileRequest(rsft->file.name, rsft->file.hash, rsft->file.filesize, rsft->file.path, rsft->flags, rsft->allPeerIds.ids);
{
RsStackMutex mtx(ctrlMutex) ;
std::map<std::string, ftFileControl*>::iterator fit = mDownloads.find(rsft->file.hash);
if((fit==mDownloads.end() || (fit->second)->mCreator == NULL))
{
std::cerr << "ftController::loadList(): Error: could not find hash " << rsft->file.hash << " in mDownloads list !" << std::endl ;
std::cerr << "Storing the map in a wait list." << std::endl ;
mPendingChunkMaps[rsft->file.hash] = rsft ;
continue ; // i.e. don't delete the item!
}
else
{
(fit->second)->mCreator->setAvailabilityMap(rsft->compressed_chunk_map) ;
(fit->second)->mCreator->setChunkStrategy((FileChunksInfo::ChunkStrategy)(rsft->chunk_strategy)) ;
}
}
}
/* cleanup */
delete (*it);
}
return true;
}
bool ftController::loadConfigMap(std::map<std::string, std::string> &configMap)
{
std::map<std::string, std::string>::iterator mit;
std::string str_true("true");
std::string empty("");
std::string dir = "notempty";
if (configMap.end() != (mit = configMap.find(download_dir_ss)))
{
setDownloadDirectory(mit->second);
}
if (configMap.end() != (mit = configMap.find(partial_dir_ss)))
{
setPartialsDirectory(mit->second);
}
if (configMap.end() != (mit = configMap.find(share_dwl_dir)))
{
if (mit->second == "YES")
{
setShareDownloadDirectory(true);
}
else if (mit->second == "NO")
{
setShareDownloadDirectory(false);
}
}
if (configMap.end() != (mit = configMap.find(default_chunk_strategy_ss)))
{
if(mit->second == "STREAMING")
{
setDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_STREAMING) ;
std::cerr << "Note: loading default value for chunk strategy: streaming" << std::endl;
}
else if(mit->second == "RANDOM")
{
setDefaultChunkStrategy(FileChunksInfo::CHUNK_STRATEGY_RANDOM) ;
std::cerr << "Note: loading default value for chunk strategy: random" << std::endl;
}
else
std::cerr << "**** ERROR ***: Unknown value for default chunk strategy in keymap." << std::endl ;
}
if (configMap.end() != (mit = configMap.find(free_space_limit_ss)))
{
std::istringstream in(mit->second) ;
uint32_t size ;
in >> size ;
std::cerr << "have read a size limit of " << size <<" MB" << std::endl ;
RsDiscSpace::setFreeSpaceLimit(size) ;
}
return true;
}
void ftController::setFreeDiskSpaceLimit(uint32_t size_in_mb)
{
RsDiscSpace::setFreeSpaceLimit(size_in_mb) ;
IndicateConfigChanged() ;
}
uint32_t ftController::freeDiskSpaceLimit() const
{
return RsDiscSpace::freeSpaceLimit() ;
}
FileChunksInfo::ChunkStrategy ftController::defaultChunkStrategy()
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
return mDefaultChunkStrategy ;
}
void ftController::setDefaultChunkStrategy(FileChunksInfo::ChunkStrategy S)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
#ifdef CONTROL_DEBUG
std::cerr << "Note: in frController: setting chunk strategy to " << S << std::endl ;
#endif
mDefaultChunkStrategy = S ;
IndicateConfigChanged() ;
}
void ftController::setShareDownloadDirectory(bool value)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
mShareDownloadDir = value;
IndicateConfigChanged() ;
}
bool ftController::getShareDownloadDirectory()
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
return mShareDownloadDir;
}
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