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added packet packing in pqistreamer. To be tested for improvement in bw

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This commit is contained in:
csoler 2015-12-12 11:52:48 -05:00
parent 893f178ce1
commit f6a84aa4ad
1 changed files with 97 additions and 74 deletions
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31
libretroshare/src/pqi/pqistreamer.cc
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@ -447,6 +447,7 @@ int pqistreamer::handleoutgoing_locked()
// a very simple round robin
bool sent = true;
int nsent = 0 ;
while(sent) // catch if all items sent.
{
sent = false;
@ -470,17 +471,36 @@ int pqistreamer::handleoutgoing_locked()
outSentBytes_locked(sentbytes);
return 0;
}
#define GROUP_OUTGOING_PACKETS 1
// send a out_pkt., else send out_data. unless
// there is a pending packet.
if (!mPkt_wpending)
#ifdef GROUP_OUTGOING_PACKETS
{
void *dta;
len = 0 ;
int k=0;
while(len < maxbytes && (dta = locked_pop_out_data())!=NULL )
{
uint32_t s = getRsItemSize(dta);
mPkt_wpending = realloc(mPkt_wpending,s+len) ;
memcpy(mPkt_wpending+len,dta,s) ;
free(dta);
len += s ;
++k ;
}
if(k > 1)
std::cerr << "Packed " << k << " packets into " << len << " bytes." << std::endl;
}
#else
{
mPkt_wpending = locked_pop_out_data() ;
len = getRsItemSize(mPkt_wpending);
}
#endif
if (mPkt_wpending)
{
// write packet.
len = getRsItemSize(mPkt_wpending);
#ifdef DEBUG_PQISTREAMER
std::cout << "Sending Out Pkt of size " << len << " !" << std::endl;
#endif
@ -499,6 +519,7 @@ int pqistreamer::handleoutgoing_locked()
// ensuring exactly the same data is written (openSSL requirement).
return -1;
}
++nsent;
#ifdef DEBUG_TRANSFERS
std::cerr << "pqistreamer::handleoutgoing_locked() Sent Packet len: " << len << " @ " << RsUtil::AccurateTimeString();
@ -512,6 +533,8 @@ int pqistreamer::handleoutgoing_locked()
sent = true;
}
}
if(nsent > 0)
std::cerr << "nsent = " << nsent << ", total bytes=" << sentbytes << std::endl;
outSentBytes_locked(sentbytes);
return 1;
}