void UDPEchoClient::onReadyRead () {
{
LockGuard guard (mMutex);
if (mState != WAIT) return; // ignoring; timeout.
// Check protocol
String from;
int fromPort;
ByteArrayPtr data = mSocket.recvFrom(&from,&fromPort);
if (!data) {
Log (LogWarning) << LOGID << "Could not read any data tough readyRead() signal" << std::endl;
return; // ?
}
String toParse (data->const_c_array(), data->size());
ArgumentList list;
sf::argSplit (toParse, &list);
// Format: TOKEN IP-Address Port
if (list.size() != 4 || list[0] != "condataReply") {
Log (LogInfo) << LOGID << "Invalid protocol in answer " << *data << ", token=" << list.size() << std::endl;
return; // invalid protocol
}
if (list[1] != mToken){
Log (LogInfo) << LOGID << "Token mismatch in answer " << *data << std::endl;
return; // invalid token
}
mState = READY;
mAddress = list[2];
mPort = atoi (list[3].c_str());
Log (LogInfo) << LOGID << "Successfully decoded echo answer: " << mAddress << ":" << mPort << " coming from " << from << ":" << fromPort << std::endl;
sf::cancelTimer(mTimeoutHandle);
}
mResultDelegate (NoError);
}
void SocketMessage::setPayload(const ByteArrayPtr &msg)
{
clear();
payload_type=Variant::TYPE_BYTEARRAY;
payload_size=msg.size();
payload=malloc(payload_size);
if (!payload) throw OutOfMemoryException();
memcpy(payload,msg.ptr(),payload_size);
}
sf::ByteArrayPtr BoshTransport::read (long maxSize) {
ByteArrayPtr result = sf::createByteArrayPtr();
if (maxSize < 0 || maxSize >= (long) mInputBuffer.size()) {
result->swap (mInputBuffer);
} else {
result->append (mInputBuffer.const_c_array(), maxSize);
mInputBuffer.l_truncate(maxSize);
}
return result;
}
/// Eat something what was written
ByteArrayPtr consume (long maxSize = -1) {
if (mIngoingBuffer.empty()) return ByteArrayPtr();
ByteArrayPtr result = createByteArrayPtr();
if (maxSize < 0 || maxSize >= (int64_t) mIngoingBuffer.size()){
result->swap (mIngoingBuffer);
return result;
}
result->assign (mIngoingBuffer.begin(), mIngoingBuffer.begin() + maxSize);
mIngoingBuffer.l_truncate (maxSize);
notifyAsync (mChanged);
return result;
}
void XMPPStream::onChannelChange () {
ByteArrayPtr data = mChannel->read();
if (data && data->size() > 0){
#ifndef NDEBUG
Log (LogInfo) << LOGID << "recv " << *data << std::endl;
#endif
mXmlStreamDecoder.onWrite(*data);
}
// mXmlStreamDecoder can remove the channel by its own callbacks!
if (mChannel && mChannel->error()) {
onChannelError (mChannel->error());
}
}
virtual sf::Error read (const ds::Range & range, ByteArray & dst) {
LockGuard guard (mMutex);
ds::Range realRange = ds::Range (range.from - mPosition, range.to - mPosition);
if (realRange.from != 0)
return error::NotSupported; // no seeking
ByteArrayPtr data = mChannel->read (range.to);
if (data) {
dst.swap (*data);
}
if (!data || data->empty()){
mReady = false;
}
mPosition+=dst.size();
return mChannel->error();
}
void LocalChannel::incoming (ByteArrayPtr data){
if (mCollector) mCollector->addPendingData (data->size());
mInputBuffer.append(*data);
if (mChanged) {
xcall (mChanged);
}
}
Error LocalChannel::write (const ByteArrayPtr& data, const ResultCallback & callback) {
if (!mOther) return error::NotInitialized; // no target
mOther->incoming (data);
if (callback) xcall (abind (callback, NoError));
if (mCollector) mCollector->addTransferred (mHostId, mOther->hostId(), data->size(), mHops);
return NoError;
}
sf::Error write (const ds::Range & range, const ByteArrayPtr & data) {
LockGuard guard (mMutex);
ds::Range realRange = ds::Range (range.from - mWritePosition, range.to - mWritePosition);
if (realRange.from != 0) {
// no seeking
return error::NotSupported;
}
mWritePosition+=data->size();
return mChannel->write (data);
}
ByteArrayPtr Datagram::encode () const {
// simple encoding headerLength, contentLength, header, content
// both with 4 bytes
size_t headerLength = mHeader ? mHeader->size() : 0;
if (headerLength > 2147483647) {
Log (LogError) << LOGID << "Header to long!" << std::endl;
assert (false);
return ByteArrayPtr();
}
size_t contentLength = mContent ? mContent->size() : 0;
if (contentLength > 2147483647) {
Log (LogError) << LOGID << "Content to long" << std::endl;
assert (false);
return ByteArrayPtr();
}
uint32_t hln = htonl ((uint32_t)headerLength);
uint32_t cln = htonl ((uint32_t)contentLength);
ByteArrayPtr dest = createByteArrayPtr ();
dest->reserve(8 + headerLength + contentLength);
dest->append((const char*) &hln, 4);
dest->append((const char*) &cln, 4);
if (mHeader)
dest->append(*mHeader);
if (mContent)
dest->append(*mContent);
assert (dest->size() == 8 + headerLength + contentLength);
return dest;
}
void HttpConnectionManager::onChannelChange (AsyncOpId id) {
PendingConnectionOp * op;
getReadyAsyncOp (id, PendingConnection, &op);
if (!op) return;
ByteArrayPtr all = op->connection->channel->read();
if (all && !all->empty()){
Log (LogInfo) << LOGID << "Recv in pending connection: " << *all << std::endl;
op->connection->inputBuffer.append(*all);
}
Error e = op->connection->channel->error();
if (e) {
// adieu
Log (LogInfo) << LOGID << "Closing channel to " << op->connection->host << " as channel reported error: " << toString (e) << std::endl;
xcall (abind (&throwAway, op->connection));
removeFromPendingConnections (op);
delete op;
return;
}
// data ready? nobody knows, add it again...
addAsyncOp (op);
}
/*!\brief Nutzdaten des Chunks setzen
*
* \desc
* Mit dieser Funktion werden die Nutzdaten des Chunks angegeben. Die
* Daten werden dabei in einen eigenen Speicherbereich kopiert.
*
* \param data Eine Referenz aif ein ByteArray oder ByteArrayPtr
* \exception NullPointerException Wird geworfen, wenn \p ptr auf NULL zeigt
* \exception OutOfMemoryException Nicht genug Speicher
*/
void PFPChunk::setData(const ByteArrayPtr &data)
{
setData(data.ptr(),data.size());
}
