Symbian (Http DownLoad) Http 引擎下载实现

核心提示：bHttpGetOrPost = EFalse;StartTimer(30);iSecondUrl.Copy(aUri);// Parse string to URI (as defined in RFC2396)TUriParser8 uri;uri.Parse(aUri);delete iPostData;iPos

bHttpGetOrPost = EFalse;

StartTimer(30);

iSecondUrl.Copy(aUri);

// Parse string to URI (as defined in RFC2396)

TUriParser8 uri;

uri.Parse(aUri);

delete iPostData;

iPostData = aBody.AllocL();

#ifndef _DEBUG

if (bIAPIsWap)//设置WAP代理

{

TBuf8<20> aProxy8(_L8("10.0.0.172:80"));

RStringF iPrxAddr = iSession.StringPool().OpenFStringL(aProxy8);

CleanupClosePushL(iPrxAddr);

THTTPHdrVal iPrxUsage(iSession.StringPool().StringF

(HTTP::EUseProxy,RHTTPSession::GetTable()));

iSession.ConnectionInfo().SetPropertyL(iSession.StringPool().StringF

(HTTP::EProxyUsage,RHTTPSession::GetTable()), iPrxUsage);

iSession.ConnectionInfo().SetPropertyL(iSession.StringPool().StringF

(HTTP::EProxyAddress,RHTTPSession::GetTable()), iPrxAddr);

CleanupStack::PopAndDestroy();

}

#endif

RStringF method = iSession.StringPool().StringF(HTTP::EPOST,

RHTTPSession::GetTable());

// Open transaction with previous method and parsed uri. This class will

// receive transaction events in MHFRunL and MHFRunError.

iTransaction = iSession.OpenTransactionL(uri, *this, method);

// Set headers for request; user agent and accepted content type

RHTTPHeaders hdr = iTransaction.Request().GetHeaderCollection();

SetHeaderL(hdr, HTTP::EUserAgent, KUserAgent);

SetHeaderL(hdr, HTTP::EAccept, KAccept);

SetHeaderL( hdr, HTTP::EContentType, _L8("text/xml"));

TBuf8<64> sizeStr;

sizeStr.Format (_L8("bytes=%d-"),iDownloadSize);

sizeStr.AppendFormat (_L8("%d"),curSizeL);

SetHeaderL (hdr, HTTP::ERange, sizeStr);

MHTTPDataSupplier* dataSupplier = this;

iTransaction.Request().SetBody(*dataSupplier);