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add a downloading queue in ftControl,max 2 files can be download at same time

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@933 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
ewensun 2009-01-19 15:02:59 +00:00
parent 812cdd6bd6
commit 0654836a3d
2 changed files with 47 additions and 10 deletions
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52
libretroshare/src/ft/ftcontroller.cc
View File

@ -119,20 +119,28 @@ void ftController::run()
/* tick the transferModules */
std::list<std::string> done;
std::list<std::string>::iterator it;
std::map<std::string,ftFileControl>::iterator mit;
if (mDownloadingQueue.size() > 0)
{
RsStackMutex stack(ctrlMutex); /******* LOCKED ********/
std::map<std::string, ftFileControl>::iterator it;
for(it = mDownloads.begin(); it != mDownloads.end(); it++)
for(it = mDownloadingQueue.begin(); it != mDownloadingQueue.end(); it++)
{
#ifdef CONTROL_DEBUG
std::cerr << "\tTicking: " << it->first;
std::cerr << "\tTicking: " << *it;
std::cerr << std::endl;
#endif
if (it->second.mTransfer)
(it->second.mTransfer)->tick();
mit = mDownloads.find(*it);
if (mit != mDownloads.end())
{
if (mit->second.mTransfer)
(mit->second.mTransfer)->tick();
}
else
{
mDownloadingQueue.erase(it);
}
}
}
@ -142,7 +150,9 @@ void ftController::run()
completeFile(*it);
}
mDone.clear();
/* adjust the Downloading queue*/
checkDownloadQueue();
}
}
@ -152,9 +162,26 @@ void ftController::run()
/* Called every 10 seconds or so */
void ftController::checkDownloadQueue()
{
/* */
uint32_t cnt = MAX_NUMBER_OF_DOWNLOADING_FILE - mDownloadingQueue.size();
if (cnt <= 0) return;
RsStackMutex stack(ctrlMutex);
std::map<std::string,ftFileControl>::iterator mit;
mit = mDownloads.begin();
while (cnt-- > 0)
{
while ((mit != mDownloads.end()) && (mit->second.mState != ftFileControl::DOWNLOADING))
{ mit++ ; }
if (mit != mDownloads.end())
{
mDownloadingQueue.push_back(mit->first);
}
else
{
cnt = 0;
}
}
}
bool ftController::FlagFileComplete(std::string hash)
@ -275,6 +302,7 @@ bool ftController::completeFile(std::string hash)
callbackCode = fc->mCallbackCode;
mDownloads.erase(it);
mDownloadingQueue.remove(it->first);
} /******* UNLOCKED ********/
@ -614,6 +642,10 @@ bool ftController::FileRequest(std::string fname, std::string hash,
mDownloads[hash] = ftfc;
mSlowQueue.push_back(hash);
if (mDownloadingQueue.size() < MAX_NUMBER_OF_DOWNLOADING_FILE)
{
mDownloadingQueue.push_back(hash);
}
IndicateConfigChanged(); /* completed transfer -> save */
return true;
@ -725,6 +757,8 @@ bool ftController::FileCancel(std::string hash)
//fc->mState = ftFileControl::ERROR_COMPLETION;
mDownloads.erase(mit);
mDownloadingQueue.remove(mit->first);
IndicateConfigChanged(); /* completed transfer -> save */
return true;

5
libretroshare/src/ft/ftcontroller.h
View File

@ -62,6 +62,8 @@ const uint32_t CB_CODE_MEDIA = 0x0004;
const uint32_t FC_TRANSFER_COMPLETE = 0x0001;
const uint32_t MAX_NUMBER_OF_DOWNLOADING_FILE = 0x0002; //will be controller by user later
class ftFileControl
{
public:
@ -190,7 +192,8 @@ bool setPeerState(ftTransferModule *tm, std::string id,
std::map<std::string, ftFileControl> mCompleted;
std::map<std::string, ftFileControl> mDownloads;
std::map<std::string, ftFileControl> mDownloads; //include downloading and pending downloading
std::list<std::string> mDownloadingQueue; //only include downloading file hashs
//std::map<std::string, ftTransferModule *> mTransfers;
//std::map<std::string, ftFileCreator *> mFileCreators;