int CSndUList::pop(sockaddr*& addr, CPacket& pkt)
{
CGuard listguard(m_ListLock);
if (-1 == m_iLastEntry)
return -1;
// no pop until the next schedulled time
uint64_t ts;
CTimer::rdtsc(ts);
if (ts < m_pHeap[0]->m_llTimeStamp)
return -1;
CUDT* u = m_pHeap[0]->m_pUDT;
remove_(u);
if (!u->m_bConnected || u->m_bBroken)
return -1;
// pack a packet from the socket
if (u->packData(pkt, ts) <= 0)
return -1;
addr = u->m_pPeerAddr;
// insert a new entry, ts is the next processing time
if (ts > 0)
insert_(ts, u);
return 1;
}
const CPerfMon* CCC::getPerfInfo() {
try {
CUDT* u = CUDT::getUDTHandle(m_UDT);
if (NULL != u)
u->sample(&m_PerfInfo, false);
} catch (...) {
return NULL;
}
return &m_PerfInfo;
}
int CUDT::p2p_send(const UDTSOCKET u, const char* peername, const char* buf, int len)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
return udt->send(buf, len);
}
catch (...)
{
return INVALID_SOCK;
}
}
int CUDT::send(UDTSOCKET u, const char* buf, int len, int flags)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
return udt->send(buf, len);
}
catch (...)
{
return INVALID_SOCK;
}
}
UDTSOCKET CUDT::p2pConnect(const char* peername)
{
try
{
UDTSOCKET u = s_UDTUnited.newSocket(AF_INET, SOCK_STREAM);
CUDT* udt = s_UDTUnited.lookup(u);
return udt->p2pConnect(u, peername, s_UDTUnited.m_p2ph);
}
catch (...)
{
return INVALID_SOCK;
}
}
DWORD WINAPI CSndQueue::worker(LPVOID param)
#endif
{
CSndQueue* self = (CSndQueue*)param;
CPacket pkt;
while (!self->m_bClosing)
{
uint64_t ts = self->m_pSndUList->getNextProcTime();
if (ts > 0)
{
// wait until next processing time of the first socket on the list
uint64_t currtime;
CTimer::rdtsc(currtime);
if (currtime < ts)
self->m_pTimer->sleepto(ts);
// it is time to process it, pop it out/remove from the list
CUDT* u = self->m_pSndUList->pop();
if ((NULL == u) || !u->m_bConnected || u->m_bBroken)
continue;
// pack a packet from the socket
uint64_t ts;
if (u->packData(pkt, ts) > 0)
self->m_pChannel->sendto(u->m_pPeerAddr, pkt);
// insert a new entry, ts is the next processing time
if (ts > 0)
self->m_pSndUList->insert(ts, u);
}
else
{
// wait here if there is no sockets with data to be sent
#ifndef WIN32
pthread_mutex_lock(&self->m_WindowLock);
if (!self->m_bClosing && (self->m_pSndUList->m_iLastEntry < 0))
pthread_cond_wait(&self->m_WindowCond, &self->m_WindowLock);
pthread_mutex_unlock(&self->m_WindowLock);
#else
WaitForSingleObject(self->m_WindowCond, INFINITE);
#endif
}
}
return NULL;
}
int64_t CUDT::recvfile(UDTSOCKET u, fstream& ofs, const int64_t& offset, const int64_t& size, const int& block)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
return udt->recvfile(ofs, offset, size, block);
}
catch (CUDTException e)
{
s_UDTUnited.setError(new CUDTException(e));
return ERROR;
}
catch (...)
{
s_UDTUnited.setError(new CUDTException(-1, 0, 0));
return ERROR;
}
}
int CUDT::recvmsg(UDTSOCKET u, char* buf, int len)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
return udt->recvmsg(buf, len);
}
catch (CUDTException e)
{
s_UDTUnited.setError(new CUDTException(e));
return ERROR;
}
catch (...)
{
s_UDTUnited.setError(new CUDTException(-1, 0, 0));
return ERROR;
}
}
int CUDT::perfmon(UDTSOCKET u, CPerfMon* perf, bool clear)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
udt->sample(perf, clear);
return 0;
}
catch (CUDTException e)
{
s_UDTUnited.setError(new CUDTException(e));
return ERROR;
}
catch (...)
{
s_UDTUnited.setError(new CUDTException(-1, 0, 0));
return ERROR;
}
}
int CUDT::setsockopt(UDTSOCKET u, int, UDTOpt optname, const void* optval, int optlen)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
udt->setOpt(optname, optval, optlen);
return 0;
}
catch (CUDTException e)
{
s_UDTUnited.setError(new CUDTException(e));
return ERROR;
}
catch (...)
{
s_UDTUnited.setError(new CUDTException(-1, 0, 0));
return ERROR;
}
}
int CUDT::sendmsg(UDTSOCKET u, const char* buf, int len, int ttl, bool inorder)
{
try
{
CUDT* udt = s_UDTUnited.lookup(u);
return udt->sendmsg((char*)buf, len, ttl, inorder);
}
catch (CUDTException e)
{
s_UDTUnited.setError(new CUDTException(e));
return ERROR;
}
catch (bad_alloc&)
{
s_UDTUnited.setError(new CUDTException(3, 2, 0));
return ERROR;
}
catch (...)
{
s_UDTUnited.setError(new CUDTException(-1, 0, 0));
return ERROR;
}
}
void recethread::run()
{
if (m_iFolder == 0)
{
//udt = new CUDT();
//connect(udt,SIGNAL(sendProgress(qint64,qint64)),this,SLOT(onSendProgress(qint64,qint64)));
// get size information
int iContent = 3;
char content[iContent+1];
if (UDT::ERROR == UDT::recv(m_handle, content, iContent, 0))
{
qDebug() << "recv: " << UDT::getlasterror().getErrorMessage() << endl;
return ;
}
else
{
qDebug()<< "receive file or directory request success";
content[iContent] = '\0';
char *strContent = new char[iContent+1];
memset(strContent,0,iContent+1);
memcpy(strContent, content, iContent);
if (0 == strcmp(strContent, "FCS"))
{
qDebug() << "receive FCS";
}
else
{
return;
}
}
if (UDT::ERROR == UDT::recv(m_handle, (char*)&size, sizeof(uint64_t), 0))
{
qDebug() << "handle: " << m_handle;
qDebug() << "send: " << UDT::getlasterror().getErrorMessage() << endl;
//qDebug() << "receive file size success";
return;
}
if (size < 0)
{
return;
}
qDebug() << "receive file size : " << size;
std::fstream ofs(m_strFileName.toStdString().c_str(), std::ios::out | std::ios::binary | std::ios::trunc);
int64_t recvsize;
int64_t offset = 0;
CUDT *udt = CUDT::getUdt(m_handle);
udt->setFolderSize(size);
connect(udt,SIGNAL(sendProgress(qint64,double)),this,SLOT(onSendProgress(qint64,double)));
if (UDT::ERROR == (recvsize = udt->recvfile(ofs, offset, size)))
{
QString str = UDT::getlasterror().getErrorMessage();
//cout << "recvfile: " << UDT::getlasterror().getErrorMessage() << endl;
//return -1;
}
emit sendSuccess();
UDT::close(m_handle);
ofs.close();
}
DWORD WINAPI CRcvQueue::worker(LPVOID param)
#endif
{
CRcvQueue* self = (CRcvQueue*)param;
sockaddr* addr = (AF_INET == self->m_UnitQueue.m_iIPversion) ? (sockaddr*) new sockaddr_in : (sockaddr*) new sockaddr_in6;
CUDT* u = NULL;
int32_t id;
while (!self->m_bClosing)
{
#ifdef NO_BUSY_WAITING
self->m_pTimer->tick();
#endif
// check waiting list, if new socket, insert it to the list
while (self->ifNewEntry())
{
CUDT* ne = self->getNewEntry();
if (NULL != ne)
{
self->m_pRcvUList->insert(ne);
self->m_pHash->insert(ne->m_SocketID, ne);
}
}
// find next available slot for incoming packet
CUnit* unit = self->m_UnitQueue.getNextAvailUnit();
if (NULL == unit)
{
// no space, skip this packet
CPacket temp;
temp.m_pcData = new char[self->m_iPayloadSize];
temp.setLength(self->m_iPayloadSize);
self->m_pChannel->recvfrom(addr, temp);
delete [] temp.m_pcData;
goto TIMER_CHECK;
}
unit->m_Packet.setLength(self->m_iPayloadSize);
// reading next incoming packet, recvfrom returns -1 is nothing has been received
if (self->m_pChannel->recvfrom(addr, unit->m_Packet) < 0)
goto TIMER_CHECK;
id = unit->m_Packet.m_iID;
// ID 0 is for connection request, which should be passed to the listening socket or rendezvous sockets
if (0 == id)
{
if (NULL != self->m_pListener)
self->m_pListener->listen(addr, unit->m_Packet);
else if (NULL != (u = self->m_pRendezvousQueue->retrieve(addr, id)))
{
// asynchronous connect: call connect here
// otherwise wait for the UDT socket to retrieve this packet
if (!u->m_bSynRecving)
u->connect(unit->m_Packet);
else
self->storePkt(id, unit->m_Packet.clone());
}
}
else if (id > 0)
{
if (NULL != (u = self->m_pHash->lookup(id)))
{
if (CIPAddress::ipcmp(addr, u->m_pPeerAddr, u->m_iIPversion))
{
if (u->m_bConnected && !u->m_bBroken && !u->m_bClosing)
{
if (0 == unit->m_Packet.getFlag())
u->processData(unit);
else
u->processCtrl(unit->m_Packet);
u->checkTimers();
self->m_pRcvUList->update(u);
} else{//cout<<"CCBroken"<<endl;
}
}
}
else if (NULL != (u = self->m_pRendezvousQueue->retrieve(addr, id)))
{
if (!u->m_bSynRecving)
u->connect(unit->m_Packet);
else
self->storePkt(id, unit->m_Packet.clone());
} else {
//cout<<"CCBroekn"<<endl;
}
}
TIMER_CHECK:
// take care of the timing event for all UDT sockets
uint64_t currtime;
CTimer::rdtsc(currtime);
CRNode* ul = self->m_pRcvUList->m_pUList;
#ifdef INCAST
uint64_t ctime = currtime - 1000 * CTimer::getCPUFrequency();
#else
uint64_t ctime = currtime - 10000 * CTimer::getCPUFrequency();
#endif
while ((NULL != ul) && (ul->m_llTimeStamp < ctime))
{
CUDT* u = ul->m_pUDT;
if (u->m_bConnected && !u->m_bBroken && !u->m_bClosing)
{
u->checkTimers();
self->m_pRcvUList->update(u);
}
else
{
// the socket must be removed from Hash table first, then RcvUList
self->m_pHash->remove(u->m_SocketID);
self->m_pRcvUList->remove(u);
u->m_pRNode->m_bOnList = false;
}
ul = self->m_pRcvUList->m_pUList;
}
// Check connection requests status for all sockets in the RendezvousQueue.
self->m_pRendezvousQueue->updateConnStatus();
}
if (AF_INET == self->m_UnitQueue.m_iIPversion)
delete (sockaddr_in*)addr;
else
delete (sockaddr_in6*)addr;
#ifndef WIN32
return NULL;
#else
SetEvent(self->m_ExitCond);
return 0;
#endif
}
DWORD WINAPI CRcvQueue::worker(LPVOID param)
#endif
{
CRcvQueue* self = (CRcvQueue*)param;
CUnit temp;
temp.m_Packet.m_pcData = new char[self->m_iPayloadSize];
sockaddr* addr = (AF_INET == self->m_UnitQueue.m_iIPversion) ? (sockaddr*) new sockaddr_in : (sockaddr*) new sockaddr_in6;
while (!self->m_bClosing)
{
#ifdef NO_BUSY_WAITING
self->m_pTimer->tick();
#endif
// check waiting list, if new socket, insert it to the list
if (self->ifNewEntry())
{
CUDT* ne = self->getNewEntry();
if (NULL != ne)
{
self->m_pRcvUList->insert(ne);
self->m_pHash->insert(ne->m_SocketID, ne);
}
}
// find next available slot for incoming packet
CUnit* unit = self->m_UnitQueue.getNextAvailUnit();
if (NULL == unit)
unit = &temp;
unit->m_Packet.setLength(self->m_iPayloadSize);
CUDT* u = NULL;
int32_t id;
// reading next incoming packet
if (self->m_pChannel->recvfrom(addr, unit->m_Packet) <= 0)
goto TIMER_CHECK;
if (unit == &temp)
goto TIMER_CHECK;
id = unit->m_Packet.m_iID;
// ID 0 is for connection request, which should be passed to the listening socket or rendezvous sockets
if (0 == id)
{
if (NULL != self->m_pListener)
((CUDT*)self->m_pListener)->listen(addr, unit->m_Packet);
else if (self->m_pRendezvousQueue->retrieve(addr, id, ((CHandShake*)unit->m_Packet.m_pcData)->m_iID, u))
{
if (u->m_bConnected && !u->m_bBroken)
u->processCtrl(unit->m_Packet);
else
self->storePkt(id, unit->m_Packet.clone());
}
}
else if (id > 0)
{
if (NULL != (u = self->m_pHash->lookup(id)))
{
if (u->m_bConnected && !u->m_bBroken)
{
if (0 == unit->m_Packet.getFlag())
u->processData(unit);
else
u->processCtrl(unit->m_Packet);
u->checkTimers();
self->m_pRcvUList->update(u);
}
}
else
self->storePkt(id, unit->m_Packet.clone());
}
TIMER_CHECK:
// take care of the timing event for all UDT sockets
CRNode* ul = self->m_pRcvUList->m_pUList;
uint64_t currtime;
CTimer::rdtsc(currtime);
uint64_t ctime = currtime - 100000 * CTimer::getCPUFrequency();
while ((NULL != ul) && (ul->m_llTimeStamp < ctime))
{
CUDT* u = ul->m_pUDT;
u->checkTimers();
if (u->m_bConnected && !u->m_bBroken)
self->m_pRcvUList->update(u);
else
{
// the socket must be removed from Hash table first, then RcvUList
self->m_pHash->remove(u->m_SocketID);
self->m_pRcvUList->remove(u);
}
ul = self->m_pRcvUList->m_pUList;
}
}
delete [] temp.m_Packet.m_pcData;
if (AF_INET == self->m_UnitQueue.m_iIPversion)
delete (sockaddr_in*)addr;
else
delete (sockaddr_in6*)addr;
return NULL;
}