void CSocketEngine::GetData(){
if(iCount==1){//如果是接收文件的第一个数据包
if(!GetFirstData()) return;
}
if(0==iSpeed){//网速未知
if(2==iCount){
iTimeTestSpeed1.HomeTime();
iSizeTestSpeed1=iData1.Length();
iSizeTestSpeed2=iSizeTestSpeed1;
}
if(iCount>2){
iSizeTestSpeed2+=iData1.Length();
if((iSizeTestSpeed2-iSizeTestSpeed1)>iTestSpeedSize){
iTimeTestSpeed2.HomeTime();
TTimeIntervalSeconds seconds(0);
TInt err=iTimeTestSpeed2.SecondsFrom(iTimeTestSpeed1,seconds);
if(!err){
TInt sec=seconds.Int();
iSpeed=(sec>0)?((iSizeTestSpeed2-iSizeTestSpeed1)/sec):KMaxNetSpeed;
OnHttpSktEvent(EHttpSktEvtSpeedKnown);
}
}
}
}
if(bSearch){
if(iCount==1){
iData->Des().Zero();
iReceivedLen=0;
}
TBool needSaveFile=this->iDownloadFilePath.Length()>0;
if(!needSaveFile){
TInt n=iData->Des().Length()+iData1.Length();
TInt m=iData->Des().MaxLength();
if(n<m) iData->Des().Append(iData1);
}
iReceivedLen+=iData1.Length();
if((iReceivedLen-iHttpHeadOverPos)<iTotalLen){
if(needSaveFile) this->SaveToFile(iData1);
ReceiveData();
}else{
if(iTimer->IsActive()) iTimer->Cancel();
if(needSaveFile){
this->SaveToFile(iData1);
if(iObserver) iObserver->OnDownloadFinished(this->iDownloadFilePath);
}else if(iObserver){
int iLen=iData->Length()-iHttpHeadOverPos;
if(iLen<=0){
iObserver->OnResponseReceived(_L8(""));
}else{
iObserver->OnResponseReceived(iData->Mid(iHttpHeadOverPos,iLen));
}
}
iDownloading=EFalse;
Cancel();
iSocket.Close();
}
}else{
if(iObserver) iObserver->OnResponseReceived(iData1);
}
}
void mitk::NavigationDataPlayer::InitPlayer()
{
if (m_Stream == NULL)
{
StreamInvalid("Playing not possible. Wrong file name or path?");
return;
}
if (!m_Stream->good())
{
StreamInvalid("Playing not possible. Stream is not good!");
return;
}
//first get the file version
m_FileVersion = GetFileVersion(m_Stream);
//check if we have a valid version: m_FileVersion has to be always bigger than 1 for playing
if (m_FileVersion < 1)
{
StreamInvalid("Playing not possible. Invalid file version!");
return;
}
if(m_NumberOfOutputs == 0) {m_NumberOfOutputs = GetNumberOfNavigationDatas(m_Stream);}
//with the information about the tracked tool number we can generate the output
if (m_NumberOfOutputs > 0)
{
//Generate the output only if there are changes to the amount of outputs
//This happens when the player is stopped and start again with different file
if (this->GetNumberOfOutputs() != m_NumberOfOutputs) {SetNumberOfOutputs(m_NumberOfOutputs);}
//initialize the player with first data
GetFirstData();
//set stream valid
m_ErrorMessage = "";
m_StreamValid = true;
}
else
{
StreamInvalid("The input stream seems to have NavigationData incompatible format");
return;
}
}