void Socket::sendPacketFragmented(Packet* p)
{
// fragment packets:
// first chunk - proto op, seq, 32-bit length, 502 bytes of data
// subsequent - proto op, seq, 506 bytes of data
byte* data = p->getRawBuffer();
uint32_t len = p->lengthWithOverhead();
byte buf[SEND_PACKET_MAX_SIZE];
uint16_t* ptr = (uint16_t*)buf;
*ptr = toNetworkShort(OP_Fragment);
// first chunk
ptr[1] = toNetworkShort(getNextSequence());
// stated len is minus all overhead except app opcode
uint32_t minus;
if (p->hasSequence()) // would we ever fragment a non-sequenced packet? gonna get sequenced anyway
minus = 4; // protocol opcode + seq
else
minus = 2; // protocol opcode
uint32_t* lenPtr = (uint32_t*)(buf + 4);
*lenPtr = toNetworkLong(len - minus);
// copy first 502 bytes
memcpy(buf + 8, data + minus, 502);
uint32_t pos = minus + 502;
// send
sendPacket(buf, SEND_PACKET_MAX_SIZE_BEFORE_CRC);
// subsequent chunks
byte* bufWrite = buf + 4;
while (pos < len)
{
ptr[1] = toNetworkShort(getNextSequence());
uint32_t chunkLen = len - pos;
if (chunkLen > 506)
chunkLen = 506;
memcpy(bufWrite, data + pos, chunkLen);
sendPacket(buf, chunkLen + 4);
pos += chunkLen;
}
}
void ESceneSequencer::Logic()
{
/* Si il n'y a aucune séquence en court, on prend la suivante dans la liste */
if (_lpCurrentSequence == NULL && ESequenceContainer::g_ListSequence.getCount()>0)
{
// Recherche la prochaine séquence non active
_lpCurrentSequence = getNextSequence();
// Aucune séquence à venir, on a finit...
if (_lpCurrentSequence == NULL) {
return;
} else {
_lpCurrentSequence->getContent()->Start();
}
}
/* Si la séquence courante est terminée, on la supprime de la liste et on prend la suivante dans la liste */
if (_lpCurrentSequence) {
bool bCompleted = false;
bCompleted = _lpCurrentSequence->getContent()->isCompleted();
if (bCompleted) {
// Supprime la séquence de la liste
ESequenceContainer::g_ListSequence.remove(_lpCurrentSequence);
_lpCurrentSequence->DeleteContent();
XDELETE(_lpCurrentSequence);
// Recherche la prochaine séquence non active
_lpCurrentSequence = getNextSequence();
// Aucune séquence à venir, on a finit...
if (_lpCurrentSequence == NULL) {
return;
} else {
_lpCurrentSequence->getContent()->Start();
}
}
}
if (_lpCurrentSequence) {
if (_lpCurrentSequence->getContent()->isActive()) {
_lpCurrentSequence->getContent()->Logic();
}
}
}
void Socket::processSendQueue()
{
uint32_t numPackets = mSendQueue.size();
if (numPackets == 0)
return;
if (numPackets == 1)
{
processSinglePacketQueue();
return;
}
CombinedPacket comb;
for (uint32_t i = 0; i < numPackets; ++i)
{
Packet* p = mSendQueue[i];
uint16_t len = p->lengthWithOverhead();
if (len > SEND_PACKET_MAX_SIZE_BEFORE_CRC)
{
sendPacket(comb);
sendPacketFragmented(p);
continue;
}
if (p->hasSequence())
{
p->setSequence(getNextSequence());
recordSentPacket(*p);
}
if (!comb.addPacket(p))
{
sendPacket(comb);
sendPacket(p);
}
}
sendPacket(comb);
for (Packet* p : mSendQueue)
{
if (!p->isNoDelete())
delete p;
}
mSendQueue.clear();
}
void Socket::processSinglePacketQueue()
{
Packet* p = mSendQueue[0];
if (p->lengthWithOverhead() > SEND_PACKET_MAX_SIZE_BEFORE_CRC)
{
sendPacketFragmented(p);
}
else
{
if (p->hasSequence())
{
p->setSequence(getNextSequence());
recordSentPacket(*p);
}
sendPacket(p);
}
if (!p->isNoDelete())
delete p;
mSendQueue.clear();
}
