void DSPEngine::handleSetSource(SampleSource* source)
{
gotoIdle();
if(m_sampleSource != NULL)
disconnect(m_sampleSource->getSampleFifo(), SIGNAL(dataReady()), this, SLOT(handleData()));
m_sampleSource = source;
if(m_sampleSource != NULL)
connect(m_sampleSource->getSampleFifo(), SIGNAL(dataReady()), this, SLOT(handleData()), Qt::QueuedConnection);
generateReport();
}
/**
* Client Process
* Runs the main checks for new packets
*
* Return's a ByteBuffer is new data was recieved
*/
ByteBuffer* ProxyClient::clientProcess() {
size_t dataLen = SO_RCVBUF;
char *pData = new char[dataLen];
ByteBuffer *retBuf = NULL;
// Receive data on the wire into pData
/* TODO: Figure out what flags need to be set */
int flags = 0;
ssize_t lenRecv = recv(clientSocket, pData, dataLen, flags);
// Act on return of recv. 0 = disconnect, -1 = no data, else the size to recv
if(lenRecv == 0) {
// Server closed the connection
printf("ProxyClient: Socket closed by server, disconnecting\n");
clientRunning = false;
} else if(lenRecv == -1) {
// No data to recv. Empty case to trap
} else {
printf("ProxyClient: Recieved data of size %u\n", lenRecv);
// Usable data was received. Create a new instance of a ByteBuffer, pass it the data from the wire
ByteBuffer *buf = new ByteBuffer((byte *)pData, (unsigned int)lenRecv);
// Pass the new ByteBuffer into the handler, return the output of the handler
retBuf = handleData(buf);
}
if(pData != NULL)
delete [] pData;
return retBuf;
}
/**
* This function returns the next line on file.
* fp - the file.
* ln - empty array , will contain the line.
* stepOneEnd - boolean pointer. (is EOF?)
*/
void getLine(FILE* fp, line ln[], bool* stepOneEnd)
{
string startline = malloc(sizeof(char) * maxLineLength);
int idx = 0, i = 1;
fgets(startline, maxLineLength, fp);
while(idx < strlen(startline) && i < lineVar){
readNextWord(startline, &idx, stepOneEnd, (ln + i));
if(strcmp(ln[i].word, "EMPTY") == 0)
break;
if(i == 1 && isLabel(ln[i])){
ln[i].word[idx - 2] = (char)'\0';
i--;
ln[i].word = malloc(sizeof(string) * 100);
strcpy(ln[i].word, ln[i + 1].word);
ln[i].wordIdx = ln[i + 1].wordIdx;
free(ln[i + 1].word);
ln[i + 1].word = "NULL";
}
if(strcmp(ln[i].word, ".data") == 0){
ln[i].wordIdx = handleData(idx, startline, stepOneEnd);
break;
}
if(idx < strlen(startline))
ln[i + 1].wordIdx = ln[i].wordIdx;
i++;
}
free(startline);
}
QWaveDecoder::QWaveDecoder(QIODevice *s, QObject *parent):
QIODevice(parent),
haveFormat(false),
dataSize(0),
source(s),
state(QWaveDecoder::InitialState),
junkToSkip(0),
bigEndian(false)
{
open(QIODevice::ReadOnly | QIODevice::Unbuffered);
if (enoughDataAvailable())
QTimer::singleShot(0, this, SLOT(handleData()));
else
connect(source, SIGNAL(readyRead()), SLOT(handleData()));
}
int Iterative_Server::run()
{
int retsock;
if( (retsock=init())<=0)
{
outerr("server init error, exit");
exit(0);
}
fprintf(stdout, "the server run:\n");
SocketStream ss;
for(;;)
{
acceptor(retsock,ss);
if(waitfor_multievent()==-1)
return -1;
if(handleConnection()==-1)
return -1;
if(handleData(ss)==-1)
return -1;
}
}
void CDataHandler::run()
{
detach(); // 分离自己，线程结束则自动释放资源
const int waitMillisecond = 1000 * 1; // 无数据处理时等待的时间，1毫秒
NetPkgHeader userPkgHeader(0, MSG, 0); // 用户数据包头
Connect* msgConnList = NULL;
while (m_status == running)
{
m_connMgr->waitConnecter(); // 等待连接处理线程处理完
msgConnList = m_connMgr->getMsgConnectList();
if (msgConnList != NULL) // 处理连接数据
{
if (handleData(msgConnList, userPkgHeader) < 1) usleep(waitMillisecond); // 无数据处理则等待让出cpu
}
else if (!readFromLogic(userPkgHeader))
{
usleep(waitMillisecond); // 无数据处理则等待让出cpu
}
}
// 释放所有连接的写buffer内存块
msgConnList = m_connMgr->getMsgConnectList();
while (msgConnList != NULL)
{
releaseWriteBuffer(msgConnList);
msgConnList = msgConnList->pNext;
}
// 终止线程运行
m_status = stopted;
stop();
}
bool DDAProtocol :: exec()
{
int errorCount = ERROR_COUNT;
while(!m_terminated)
{
if(rxPacket())
{
errorCount = ERROR_COUNT;
unsigned txSize = m_txData.size();
if(!txSize)
{
//Send ACK
unsigned char tx = ACK;
serial_write(m_serial, &tx, 1);
}
else
{
txPacket();
waitAck();
}
handleData(m_rxData);
m_rxData.clear();
}
else
{
if(--errorCount <= 0)
return false;
}
}
return true;
}
QT_BEGIN_NAMESPACE
WaveDecoder::WaveDecoder(QIODevice *s, QObject *parent):
QIODevice(parent),
haveFormat(false),
dataSize(0),
remaining(0),
source(s)
{
open(QIODevice::ReadOnly | QIODevice::Unbuffered);
if (source->bytesAvailable() >= qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
QTimer::singleShot(0, this, SLOT(handleData()));
else
connect(source, SIGNAL(readyRead()), SLOT(handleData()));
}
void Interpreter::handleResponse(const void *args[])
{
// strip off response, add to print string
m_print = "response: " +
QString::number(*(int *)args[0]) + " (0x" + QString::number((uint)*(uint *)args[0], 16) + ") ";
// render rest of response, if present
handleData(args+1);
}
void RobotOpenClass::pollDS() {
// Process any data sitting in the buffer
handleData();
//Only allow robot to be enabled if we've received data in the last 250ms and robot is set to enabled
if (((millis() - _lastUpdate) <= 250) && (millis() > 500)) { //Robot is disabled for first 500ms of runtime
_enabled = true;
}
else {
_enabled = false;
}
}
/*select the relevant handle*/
void handleGuideline(GuidelineHolder* holder, AssemblyLine* assemblyLine) {
if (startsWith(assemblyLine->line, STRING_STR)) {
handleString(holder, assemblyLine);
}
else if (startsWith(assemblyLine->line, DATA_STR)) {
handleData(holder, assemblyLine);
}
else if (startsWith(assemblyLine->line, EXTERN_STR)) {
handleExtern(holder, assemblyLine);
}
else if (startsWith(assemblyLine->line, ENTRY_STR)){
handleEntern(holder, assemblyLine);
}
}
// 由逻辑层主动收发消息
ReturnValue CDataHandler::recv(Connect*& conn, char* data, unsigned int& len)
{
// 1）先过滤掉无效的连接
while (m_curConn != NULL && m_curConn->logicStatus == ConnectStatus::deleted) m_curConn = m_curConn->pNext;
Connect* nextConn = (m_curConn != NULL) ? m_curConn->pNext : NULL; // 必须在wait之前获取，wait之后如果m_curConn被移出队列则next已经为空了
// 2）接着等待连接处理线程处理完
m_connMgr->waitConnecter();
if (m_curConn == NULL || m_curConn->readSocketTimes == 0) // wait之后存在m_curConn可能被连接线程移出队列了
{
m_curConn = (nextConn != NULL) ? nextConn : m_connMgr->getMsgConnectList(); // 必须确保连接在队列中，否则会错误、无限循环
if (m_curConn == NULL) return NotNetData;
}
unsigned int curSecs = time(NULL);
unsigned int dataSize = 0;
Connect* const beginConn = m_curConn;
while (true)
{
if (m_curConn->connStatus == ConnectStatus::normal && m_curConn->logicStatus == ConnectStatus::normal)
{
dataSize = getCanReadDataSize(m_curConn); // 当前可以从连接读取的数据量
if (dataSize == 0)
{
writeHbRequestPkg(m_curConn, curSecs); // 发送心跳请求包检查网络连接
}
else if (handleData(m_curConn, dataSize, curSecs, len, data)) // 存在数据则读取，写入逻辑层
{
conn = m_curConn;
m_curConn = m_curConn->pNext; // 切换到下一个连接，以便均衡遍历所有连接
return OptSuccess;
}
}
// 删除销毁已经关闭的连接
else if (m_curConn->connStatus == ConnectStatus::closed && m_curConn->logicStatus != ConnectStatus::deleted)
{
releaseWriteBuffer(m_curConn);
m_curConn->logicStatus = ConnectStatus::deleted; // 标志此连接为无效连接，可删除了
}
m_curConn = (m_curConn->pNext != NULL) ? m_curConn->pNext : m_connMgr->getMsgConnectList();
if (m_curConn == beginConn) break; // 回到循环起点了，无可处理的消息
}
return NotNetData;
}
void Parser::handleDelimiter(string& tmp) {
trimString(tmp);
if(insideParams) {
if(tmp.length() > 0) {
params.push_back(tmp);
}
handleData(outside, params);
params.clear();
} else {
outside = tmp;
}
insideParams = !insideParams;
tmp.clear();
swapDelimiters();
}
void WaveDecoder::handleData()
{
if (source->bytesAvailable() < qint64(sizeof(CombinedHeader) + sizeof(DATAHeader) + sizeof(quint16)))
return;
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
source->read((char*)&header, sizeof(CombinedHeader));
if (qstrncmp(header.riff.descriptor.id, "RIFF", 4) != 0 ||
qstrncmp(header.riff.type, "WAVE", 4) != 0 ||
qstrncmp(header.wave.descriptor.id, "fmt ", 4) != 0 ||
(header.wave.audioFormat != 0 && header.wave.audioFormat != 1)) {
emit invalidFormat();
}
else {
DATAHeader dataHeader;
if (qFromLittleEndian<quint32>(header.wave.descriptor.size) > sizeof(WAVEHeader)) {
// Extended data available
quint16 extraFormatBytes;
source->peek((char*)&extraFormatBytes, sizeof(quint16));
extraFormatBytes = qFromLittleEndian<quint16>(extraFormatBytes);
source->read(sizeof(quint16) + extraFormatBytes); // dump it all
}
source->read((char*)&dataHeader, sizeof(DATAHeader));
int bps = qFromLittleEndian<quint16>(header.wave.bitsPerSample);
format.setCodec(QLatin1String("audio/pcm"));
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setFrequency(qFromLittleEndian<quint32>(header.wave.sampleRate));
format.setSampleSize(bps);
format.setChannels(qFromLittleEndian<quint16>(header.wave.numChannels));
dataSize = qFromLittleEndian<quint32>(dataHeader.descriptor.size);
haveFormat = true;
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
emit formatKnown();
}
}
void FileTransferManager::handleRequest (int32_t friendNum,
const QByteArray& pkey, uint8_t filenum, uint64_t size, const QString& name)
{
const auto toxThread = ToxThread_.lock ();
if (!toxThread)
{
qWarning () << Q_FUNC_INFO
<< "Tox thread is not available";
return;
}
const auto entry = Acc_->GetByPubkey (pkey);
if (!entry)
{
qWarning () << Q_FUNC_INFO
<< "unable to find entry for pubkey"
<< pkey;
return;
}
const auto transfer = new FileTransferIn
{
entry->GetEntryID (),
pkey,
friendNum,
filenum,
static_cast<qint64> (size),
name,
toxThread
};
connect (this,
SIGNAL (gotFileControl (qint32, qint8, qint8, QByteArray)),
transfer,
SLOT (handleFileControl (qint32, qint8, qint8, QByteArray)));
connect (this,
SIGNAL (gotData (qint32, qint8, QByteArray)),
transfer,
SLOT (handleData (qint32, qint8, QByteArray)));
emit fileOffered (transfer);
}
void readSocks() //check all the sockets
{
int x;
if (FD_ISSET(sockfd, &readfds))
{
handle_new_connection();
}
// Run through our sockets and check to see if anything happened with them
for (x = 0; x < MAX_USERS; x++)
{
if (FD_ISSET(fd[x], &readfds))
{
printf("handling user: %d\n", x);
handleData(x);
}
}
}
int CDataHandler::handleData(Connect* msgConnList, NetPkgHeader& userPkgHeader)
{
unsigned int pkgLen = 0;
int handledMsgCount = 0;
unsigned int curSecs = time(NULL);
unsigned int dataSize = 0;
Connect* curConn = NULL;
while (msgConnList != NULL && isRunning())
{
if (readFromLogic(userPkgHeader)) ++handledMsgCount; // 从逻辑层读数据写入对应的连接
curConn = msgConnList;
msgConnList = msgConnList->pNext;
if (curConn->logicStatus == deleted) continue; // 忽略无效的连接
if (curConn->connStatus == closed)
{
releaseWriteBuffer(curConn);
curConn->logicStatus = deleted; // 标志此连接为无效连接，可删除了
continue;
}
// 这里等待一下，等待连接处理线程处理完
// 连接线程删除无效连接，因此等待成功则必须重新取下一个连接，否则如果当前msgConnList为无效连接的话会出错
if (m_connMgr->waitConnecter()) msgConnList = curConn->pNext;
// 从连接读数据写入逻辑层
dataSize = getCanReadDataSize(curConn); // 当前可以从连接读取的数据量
if (dataSize == 0)
{
writeHbRequestPkg(curConn, curSecs); // 发送心跳请求包检查网络连接
}
else if (handleData(curConn, dataSize, curSecs, pkgLen)) // 存在数据则读取，写入逻辑层
{
++handledMsgCount;
}
}
return handledMsgCount;
}
int IioSensorBase::readEvents(sensors_event_t* data, int count)
{
if (count < 1)
return -EINVAL;
pthread_mutex_lock(&mLock);
int numEventReceived = 0;
if (mHasPendingEvent) {
mHasPendingEvent = false;
if (mEnabled) {
mPendingEvent.timestamp = getTimestamp();
*data = mPendingEvent;
numEventReceived++;
}
goto done;
}
iio_event_data const* event;
while (count && mInputReader.readEvent(mDataFd, &event)) {
int value;
if (IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(event->id) == mIioChanType) {
if (mEnabled && readValue(&value)) {
handleData(value);
mPendingEvent.timestamp = event->timestamp;
*data++ = mPendingEvent;
count--;
numEventReceived++;
}
}
mInputReader.next();
}
done:
pthread_mutex_unlock(&mLock);
return numEventReceived;
}
void DirectHandler::handleValue(const JSONEntity& val)
{
if (0 == icompare(_key, "action"))
{
handleAction(val.toString());
}
else if (0 == icompare(_key, "method"))
{
handleMethod(val.toString());
}
else if (0 == icompare(_key, "data"))
{
handleData(val);
}
else if (0 == icompare(_key, "type"))
{
handleType(val.toString());
}
else if (0 == icompare(_key, "tid"))
{
handleTID(val.toInteger());
}
}
//-----------------------------------------------------------------------------
void IoHandler::handlePacket()
{
QByteArray *pPacket;
if (comPort->getThread()->getPacket(&pPacket) > 0)
{
unsigned short cmdID; // Command ID
//LENGTH(1)-CMD(2)-DATA(....)-FCS(1)
cmdID = MAKE_WORD_LE(pPacket,1);
switch (cmdID)
{
case SYS_PING_RESPONSE:
unsigned short profileID;
profileID= MAKE_WORD_LE(pPacket,3);
pNodeDb->setProfileID(profileID);
pingAnswered = true;
emit pingReceived();
break;
case ZB_RECEIVE_DATA_INDICATION:
handleData(pPacket);
break;
default:
emit unknownMessage();
}
if (pLog)
pLog->enterPacket(pPacket);
}
else
{
emit emptyPacket();
}
}
ServerSocket::ServerSocket (QObject *parent) : OHSocket(parent), m_adm(false)//, m_ident(false)
{
connect(this, SIGNAL(dataUnhandled()), this, SLOT(handleData()));
connect(this, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
}
bool HTTPDecoder::check(HTTPStreamDir& stream, HTTPStreamDir& otherDirection) {
// currently: nothing to do
if (stream.buffer.empty()) {return false;}
// the stats object to work on for this stream's direction;
HTTPDecoderStatsDir* curStats = (stream.isRequest) ? (&stats.requests) : (&stats.responses);
// if the stream is waiting for a header, check if the buffer contains this header
if (stream.state == HTTP_STREAM_WAITING_FOR_HEADER) {
// check whether the buffer contains a header-end. if not -> skip
int32_t pos = stream.buffer.indexOf( "\r\n\r\n" );
if (pos == -1) {return false;}
// sanity check
if (pos < 14 || pos > 32*1024) {
// all following traffic will be ignored (both directions!)
stream.state = HTTP_STREAM_CORRUPTED;
otherDirection.state = HTTP_STREAM_CORRUPTED;
// log
debug(DBG_HTTP, DBG_LVL_ERR, "strange header size. marking HTTP-stream as corrupted!");
//stream.buffer.dump(std::cerr);
return false;
}
debug(DBG_HTTP, DBG_LVL_INFO, "received header. length is: " << (pos + 4));
// reset the stream to store the next header
stream.reset();
// get the header from the buffer.
// this data will be removed from the header when this method ends and data is destructed
DataBufferData data = stream.buffer.get(pos + 4);
// create a string and a new header-object
std::string header( (const char*) data.data, data.length );
stream.header = new HTTPHeader();
bool headerOK = stream.header->loadFromString(header);
// if header-parsing failed (e.g. because of strange server behavior, skip everything
// and mark BOTH directions as corrupted.
if (!headerOK) {
debug(DBG_HTTP, DBG_LVL_ERR, "header parsing failed. marking this connection as corrupted!");
stream.state = HTTP_STREAM_CORRUPTED;
otherDirection.state = HTTP_STREAM_CORRUPTED;
return false;
}
// free the data
data.free();
// is this a request or a response?
stream.isRequest = stream.header->isRequestHeader();
// UPDATE the stats object as we now know this stream's direction;
curStats = (stream.isRequest) ? (&stats.requests) : (&stats.responses);
if (!stream.header->getURL().empty()) {
debug(DBG_HTTP, DBG_LVL_DEBUG, "URL: " << stream.header->getURL());
}
// track average header sizes
curStats->avgHeaderSize.add(stream.header->getLength());
// cleanup any previous compression instances
#ifdef WITH_ZLIB
if (stream.unzip != nullptr) {delete stream.unzip; stream.unzip = nullptr;}
#endif
// is the next content compressed?
if (stream.header->has("content-encoding", "gzip")) {
#ifdef WITH_ZLIB
++curStats->numCompressed;
debug(DBG_HTTP, DBG_LVL_DEBUG, "gzip compression found");
stream.unzip = new GZipDecompress();
#else
debug(DBG_HTTP, DBG_LVL_WARN, "found gzip compressed HTTP stream, but compiled without gzip support");
stream.state = HTTP_STREAM_CORRUPTED;
otherDirection.state = HTTP_STREAM_CORRUPTED;
return false;
#endif
}
// adjust stats
++curStats->numHeaders;
// inform listeners
if (stream.isRequest) {
for (auto it : listeners) {it->onHttpRequest(*this, *stream.header);}
} else {
// FIXME
// after several hours the response header is set, but the request header isn't
// and the app will crash with a nullptr.. thus we will use this sanity check here..
if (otherDirection.header == nullptr) {
debug(DBG_HTTP, DBG_LVL_ERR, "response-header available, but request-header isn't! marking this connection as corrupted!");
stream.state = HTTP_STREAM_CORRUPTED;
otherDirection.state = HTTP_STREAM_CORRUPTED;
return false;
}
uint32_t latency = stream.header->getTimestamp() - otherDirection.header->getTimestamp();
for (auto it : listeners) {it->onHttpResponse(*this, *otherDirection.header, *stream.header, latency);}
}
// check for latency information (if this is a response)
//if (!stream.isRequest) {checkLatency();}
// decide how to proceed
if (stream.headerOnlyRequest) {
stream.headerOnlyRequest = false;
stream.state = HTTP_STREAM_WAITING_FOR_HEADER;
debug(DBG_HTTP, DBG_LVL_INFO, "request was HEAD -> don't load any payload and proceed with next header");
++curStats->numWithoutPayload;
++curStats->numOK;
} else if (stream.header->containsKey("content-length")) {
stream.contentLength = strToInt(stream.header->get("content-length"));
stream.state = HTTP_STREAM_WAITING_FOR_CONTENT;
debug(DBG_HTTP, DBG_LVL_INFO, "normal content -> waiting for " << stream.contentLength << " bytes of payload");
++curStats->numNormal;
} else if (stream.header->has("transfer-encoding", "chunked")) {
stream.state = HTTP_STREAM_WAITING_FOR_CHUNK_SIZE;
debug(DBG_HTTP, DBG_LVL_INFO, "chunked content -> waiting for size-info of the next chunk");
++curStats->numChunked;
} else if (stream.header->has("connection", "close")) {
stream.state = HTTP_STREAM_WAITING_FOR_UNKNOWN_CONTENT;
debug(DBG_HTTP, DBG_LVL_INFO, "unknown content-length -> reading until connection closed");
++curStats->numUnkownSize;
} else {
stream.state = HTTP_STREAM_WAITING_FOR_HEADER;
debug(DBG_HTTP, DBG_LVL_INFO, "header without payload -> waiting for next header");
++curStats->numWithoutPayload;
++curStats->numOK;
}
// if only the HEAD(er) has been requested
// the response-stream must not retrieve payload after the next header
otherDirection.headerOnlyRequest = (stream.header->getMethod() == HTTP_METHOD_HEAD);
}
// receive "endless" content until connection: close
if (stream.state == HTTP_STREAM_WAITING_FOR_UNKNOWN_CONTENT) {
// skip when buffer is empty
if (stream.buffer.empty()) {return false;}
// get current buffer content
DataBufferData data = stream.buffer.get();
debug(DBG_HTTP, DBG_LVL_INFO, "buffer returned: " << data.length);
// handle the incoming data
handleData(stream, otherDirection, data);
// increment receive-counter
stream.contentReceived += data.length;
// cleanup
data.free();
}
// header received. is chunked. waiting for size-information of next chunk
if (stream.state == HTTP_STREAM_WAITING_FOR_CHUNK_SIZE) {
// we need at least 2 bytes to proceed
if (stream.buffer.bytesUsed() < 2) {return false;}
// wait for chunk-size info
int pos = stream.buffer.indexOf("\r\n");
if (pos == -1) {return false;}
// read chunk-size from stream
DataBufferData data = stream.buffer.get(pos+2);
// store chunk-size
std::string size( (const char*) data.data, data.length-2);
stream.chunkLength = hexStringToInt(size);
debug(DBG_HTTP, DBG_LVL_INFO, "next chunk's size is: " << stream.chunkLength);
// remove from the buffer
data.free();
// now start loading chunk data
stream.state = HTTP_STREAM_WAITING_FOR_CHUNK_DATA;
debug(DBG_HTTP, DBG_LVL_INFO, "waiting for " << stream.chunkLength << " bytes of chunk-data");
}
// header received. content's size is known. waiting for content.
if (stream.state == HTTP_STREAM_WAITING_FOR_CONTENT) {
// get current buffer content
// will be removed from buffer when this method returns
uint32_t maxSize = stream.contentLength - stream.contentReceived;
DataBufferData data = stream.buffer.get(maxSize);
debug(DBG_HTTP, DBG_LVL_INFO, "content: " << maxSize << " bytes to go. buffer returned: " << data.length);
// handle the incoming data
handleData(stream, otherDirection, data);
// increment receive-counter
stream.contentReceived += data.length;
// free the data
data.free();
// content completely received?
if (stream.contentReceived == stream.contentLength) {
stream.contentLength = 0;
stream.contentReceived = 0;
stream.state = HTTP_STREAM_WAITING_FOR_HEADER;
debug(DBG_HTTP, DBG_LVL_INFO, "content complete");
debug(DBG_HTTP, DBG_LVL_INFO, "waiting for next header");
// inform listener
for (auto it : listeners) {it->onHttpDone(*this, *stream.header);}
// update stats
++curStats->numOK;
}
} else if (stream.state == HTTP_STREAM_WAITING_FOR_CHUNK_DATA) {
// get current buffer content
// will be removed from buffer when this method returns
uint32_t maxSize = stream.chunkLength - stream.contentReceived;
DataBufferData data = stream.buffer.get(maxSize);
debug(DBG_HTTP, DBG_LVL_INFO, "chunk: " << maxSize << " bytes to go. buffer returned: " << data.length);
// handle the incoming data
handleData(stream, otherDirection, data);
// increment receive-counter
stream.contentReceived += data.length;
// free the data
data.free();
// chunk completely received?
if (stream.contentReceived == stream.chunkLength) {
stream.contentReceived = 0;
stream.state = HTTP_STREAM_WAITING_FOR_CHUNK_END;
debug(DBG_HTTP, DBG_LVL_INFO, "chunk complete");
debug(DBG_HTTP, DBG_LVL_INFO, "waiting for chunk's trailing \\r\\n");
}
}
// chunk received. waiting for the trailing "\r\n"
if (stream.state == HTTP_STREAM_WAITING_FOR_CHUNK_END) {
// each chunk ends with "\r\n"
// wait for these two bytes here
if (stream.buffer.bytesUsed() < 2) {return false;}
DataBufferData data = stream.buffer.get(2);
debug(DBG_HTTP, DBG_LVL_INFO, "received chunk's trailer");
// immediately clean-up
data.free();
// if this was the last chunk (current chunkLength == 0)
// we continue with a header, else we continue with another cunk
if (stream.chunkLength == 0) {
stream.state = HTTP_STREAM_WAITING_FOR_HEADER;
debug(DBG_HTTP, DBG_LVL_INFO, "last chunk -> waiting for next header");
// inform listeners
for (auto it: listeners) {it->onHttpDone(*this, *stream.header);}
// update stats
++curStats->numOK;
} else {
stream.state = HTTP_STREAM_WAITING_FOR_CHUNK_SIZE;
debug(DBG_HTTP, DBG_LVL_INFO, "waiting for another chunk's size");
}
// debug
//stream.buffer.dump();
stream.chunkLength = 0;
stream.contentReceived = 0;
}
// corrupted? skip everything and wait for close()
if (stream.state == HTTP_STREAM_CORRUPTED) {
return false;
}
// everything fine. buffer might contain more usable data. return true -> try again
return true;
}
void QWaveDecoder::handleData()
{
// As a special "state", if we have junk to skip, we do
if (junkToSkip > 0) {
discardBytes(junkToSkip); // this also updates junkToSkip
// If we couldn't skip all the junk, return
if (junkToSkip > 0) {
// We might have run out
if (source->atEnd())
parsingFailed();
return;
}
}
if (state == QWaveDecoder::InitialState) {
if (source->bytesAvailable() < qint64(sizeof(RIFFHeader)))
return;
RIFFHeader riff;
source->read(reinterpret_cast<char *>(&riff), sizeof(RIFFHeader));
// RIFF = little endian RIFF, RIFX = big endian RIFF
if (((qstrncmp(riff.descriptor.id, "RIFF", 4) != 0) && (qstrncmp(riff.descriptor.id, "RIFX", 4) != 0))
|| qstrncmp(riff.type, "WAVE", 4) != 0) {
parsingFailed();
return;
} else {
state = QWaveDecoder::WaitingForFormatState;
if (qstrncmp(riff.descriptor.id, "RIFX", 4) == 0)
bigEndian = true;
else
bigEndian = false;
}
}
if (state == QWaveDecoder::WaitingForFormatState) {
if (findChunk("fmt ")) {
chunk descriptor;
peekChunk(&descriptor);
quint32 rawChunkSize = descriptor.size + sizeof(chunk);
if (source->bytesAvailable() < qint64(rawChunkSize))
return;
WAVEHeader wave;
source->read(reinterpret_cast<char *>(&wave), sizeof(WAVEHeader));
if (rawChunkSize > sizeof(WAVEHeader))
discardBytes(rawChunkSize - sizeof(WAVEHeader));
// Swizzle this
if (bigEndian) {
wave.audioFormat = qFromBigEndian<quint16>(wave.audioFormat);
} else {
wave.audioFormat = qFromLittleEndian<quint16>(wave.audioFormat);
}
if (wave.audioFormat != 0 && wave.audioFormat != 1) {
// 32bit wave files have format == 0xFFFE (WAVE_FORMAT_EXTENSIBLE).
// but don't support them at the moment.
parsingFailed();
return;
} else {
format.setCodec(QLatin1String("audio/pcm"));
if (bigEndian) {
int bps = qFromBigEndian<quint16>(wave.bitsPerSample);
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::BigEndian);
format.setSampleRate(qFromBigEndian<quint32>(wave.sampleRate));
format.setSampleSize(bps);
format.setChannelCount(qFromBigEndian<quint16>(wave.numChannels));
} else {
int bps = qFromLittleEndian<quint16>(wave.bitsPerSample);
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setSampleRate(qFromLittleEndian<quint32>(wave.sampleRate));
format.setSampleSize(bps);
format.setChannelCount(qFromLittleEndian<quint16>(wave.numChannels));
}
state = QWaveDecoder::WaitingForDataState;
}
}
}
if (state == QWaveDecoder::WaitingForDataState) {
if (findChunk("data")) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
chunk descriptor;
source->read(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
if (bigEndian)
descriptor.size = qFromBigEndian<quint32>(descriptor.size);
else
descriptor.size = qFromLittleEndian<quint32>(descriptor.size);
dataSize = descriptor.size;
haveFormat = true;
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
emit formatKnown();
return;
}
}
// If we hit the end without finding data, it's a parsing error
if (source->atEnd()) {
parsingFailed();
}
}
void Selector::run()
{
int result = 0;
timeval tv = {3, 0};
FD_SET readFds;
FD_ZERO(&readFds);
SessionManager *sm = SessionManager::getInstance();
CommunicatioInformation tcpCi = _acceptor.getSocket().getCommunicationInformation();
CommunicatioInformation udpCi = _udpAcceptor.getCommunicationInformation();
_connectSessons.insert(make_pair(tcpCi.generateKeyForSocket(), _acceptor.getSocket()));
_connectSessons.insert(make_pair(udpCi.generateKeyForSocket(), _udpAcceptor));
map<string, SocketSession>::iterator iter = _connectSessons.begin();
isRunning = true;
while (isRunning)
{
FD_ZERO(&readFds);
iter = _connectSessons.begin();
while (iter != _connectSessons.end())
{
FD_SET(iter->second.getSession().getHandle(), &readFds);
iter++;
}
result = select(0, &readFds, NULL, NULL, &tv);
if (result == 0)
{
continue;
}
if (isRunning == false)
{
break;
}
if (FD_ISSET(_acceptor.getSocket().getHandle(), &readFds))
{
printDebugInfo("New Connection By TCP Service Accept");
AsyncSocket session = _acceptor.acceptSession();
CommunicatioInformation sCi = session.getCommunicationInformation();
//iter = _connectSessons.find(sCi.generateKeyForSocket());
//if (iter != _connectSessons.end())
//{
// iter->second.getSession().close();
// printDebugInfo("Öظ´Á¬½Ó..........");
// _connectSessons.erase(iter);
//}
_connectSessons.insert(make_pair(sCi.generateKeyForSocket(), session));
printDebugInfo("New Connection By TCP Server Accept");
}else if (FD_ISSET(_udpAcceptor.getHandle(), &readFds))
{
printDebugInfo("New Message By UDP Server Accept");
SocketSession ss(_udpAcceptor);
handleData(ss);
}
else
{
iter = _connectSessons.begin();
printDebugInfo("Client send message to the server in tcp mode");
while (iter != _connectSessons.end())
{
SocketSession ss = iter->second;
if (FD_ISSET(ss.session.getHandle(), &readFds))
{
handleData(ss);
}
iter++;
}
clearDisconnectionSession();
}
}
clearSessions();
}
void QWaveDecoder::parsingFailed()
{
Q_ASSERT(source);
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit parsingError();
}
Error XMLStreamDecoder::onWrite (const ByteArray & data) {
mInputBuffer.append(data);
handleData ();
if (mState == XS_Error) return mError;
return NoError;
}
void TcpSocket::readData() {
auto data = handleData(this->readAll(),this->peerAddress().toString(),this->peerPort());
qDebug() << data;
}
void QWaveDecoder::handleData()
{
if (state == QWaveDecoder::InitialState) {
if (source->bytesAvailable() < qint64(sizeof(RIFFHeader)))
return;
RIFFHeader riff;
source->read(reinterpret_cast<char *>(&riff), sizeof(RIFFHeader));
if (qstrncmp(riff.descriptor.id, "RIFF", 4) != 0 ||
qstrncmp(riff.type, "WAVE", 4) != 0) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();
return;
} else {
state = QWaveDecoder::WaitingForFormatState;
}
}
if (state == QWaveDecoder::WaitingForFormatState) {
if (findChunk("fmt ")) {
chunk descriptor;
source->peek(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
if (source->bytesAvailable() < qint64(descriptor.size + sizeof(chunk)))
return;
WAVEHeader wave;
source->read(reinterpret_cast<char *>(&wave), sizeof(WAVEHeader));
if (descriptor.size > sizeof(WAVEHeader))
discardBytes(descriptor.size - sizeof(WAVEHeader));
if (wave.audioFormat != 0 && wave.audioFormat != 1) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();
return;
} else {
int bps = qFromLittleEndian<quint16>(wave.bitsPerSample);
format.setCodec(QLatin1String("audio/pcm"));
format.setSampleType(bps == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt);
format.setByteOrder(QAudioFormat::LittleEndian);
format.setFrequency(qFromLittleEndian<quint32>(wave.sampleRate));
format.setSampleSize(bps);
format.setChannels(qFromLittleEndian<quint16>(wave.numChannels));
state = QWaveDecoder::WaitingForDataState;
}
}
}
if (state == QWaveDecoder::WaitingForDataState) {
if (findChunk("data")) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
chunk descriptor;
source->read(reinterpret_cast<char *>(&descriptor), sizeof(chunk));
dataSize = descriptor.size;
haveFormat = true;
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
emit formatKnown();
return;
}
}
if (source->atEnd()) {
source->disconnect(SIGNAL(readyRead()), this, SLOT(handleData()));
emit invalidFormat();
return;
}
}
