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Bug 1178991 - smartptr for http converter r=hurley

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This commit is contained in:
Patrick McManus 2015-06-30 17:17:10 -04:00
parent ffc6c89d10
commit d5bb133e67
2 changed files with 41 additions and 48 deletions
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80
netwerk/streamconv/converters/nsHTTPCompressConv.cpp
View File

@ -15,7 +15,6 @@
#include "nsThreadUtils.h"
#include "mozilla/Preferences.h"
// nsISupports implementation
NS_IMPL_ISUPPORTS(nsHTTPCompressConv,
nsIStreamConverter,
@ -24,8 +23,7 @@ NS_IMPL_ISUPPORTS(nsHTTPCompressConv,
// nsFTPDirListingConv methods
nsHTTPCompressConv::nsHTTPCompressConv()
: mListener(nullptr)
, mMode(HTTP_COMPRESS_IDENTITY)
: mMode(HTTP_COMPRESS_IDENTITY)
, mOutBuffer(nullptr)
, mInpBuffer(nullptr)
, mOutBufferLen(0)
@ -48,8 +46,6 @@ nsHTTPCompressConv::nsHTTPCompressConv()
nsHTTPCompressConv::~nsHTTPCompressConv()
{
NS_IF_RELEASE(mListener);
if (mInpBuffer)
free(mInpBuffer);
@ -63,38 +59,36 @@ nsHTTPCompressConv::~nsHTTPCompressConv()
}
NS_IMETHODIMP
nsHTTPCompressConv::AsyncConvertData(const char *aFromType,
const char *aToType,
nsIStreamListener *aListener,
nsHTTPCompressConv::AsyncConvertData(const char *aFromType,
const char *aToType,
nsIStreamListener *aListener,
nsISupports *aCtxt)
{
if (!PL_strncasecmp(aFromType, HTTP_COMPRESS_TYPE, sizeof(HTTP_COMPRESS_TYPE)-1) ||
!PL_strncasecmp(aFromType, HTTP_X_COMPRESS_TYPE, sizeof(HTTP_X_COMPRESS_TYPE)-1))
!PL_strncasecmp(aFromType, HTTP_X_COMPRESS_TYPE, sizeof(HTTP_X_COMPRESS_TYPE)-1)) {
mMode = HTTP_COMPRESS_COMPRESS;
else if (!PL_strncasecmp(aFromType, HTTP_GZIP_TYPE, sizeof(HTTP_GZIP_TYPE)-1) ||
!PL_strncasecmp(aFromType, HTTP_X_GZIP_TYPE, sizeof(HTTP_X_GZIP_TYPE)-1))
} else if (!PL_strncasecmp(aFromType, HTTP_GZIP_TYPE, sizeof(HTTP_GZIP_TYPE)-1) ||
!PL_strncasecmp(aFromType, HTTP_X_GZIP_TYPE, sizeof(HTTP_X_GZIP_TYPE)-1)) {
mMode = HTTP_COMPRESS_GZIP;
else if (!PL_strncasecmp(aFromType, HTTP_DEFLATE_TYPE, sizeof(HTTP_DEFLATE_TYPE)-1))
} else if (!PL_strncasecmp(aFromType, HTTP_DEFLATE_TYPE, sizeof(HTTP_DEFLATE_TYPE)-1)) {
mMode = HTTP_COMPRESS_DEFLATE;
}
// hook ourself up with the receiving listener.
// hook ourself up with the receiving listener.
mListener = aListener;
NS_ADDREF(mListener);
mAsyncConvContext = aCtxt;
return NS_OK;
}
return NS_OK;
}
NS_IMETHODIMP
nsHTTPCompressConv::OnStartRequest(nsIRequest* request, nsISupports *aContext)
{
return mListener->OnStartRequest(request, aContext);
}
}
NS_IMETHODIMP
nsHTTPCompressConv::OnStopRequest(nsIRequest* request, nsISupports *aContext,
nsHTTPCompressConv::OnStopRequest(nsIRequest* request, nsISupports *aContext,
nsresult aStatus)
{
// Framing integrity is enforced for content-encoding: gzip, but not for
@ -106,13 +100,13 @@ nsHTTPCompressConv::OnStopRequest(nsIRequest* request, nsISupports *aContext,
aStatus = NS_ERROR_NET_PARTIAL_TRANSFER;
}
return mListener->OnStopRequest(request, aContext, aStatus);
}
}
NS_IMETHODIMP
nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
nsISupports *aContext,
nsIInputStream *iStr,
uint64_t aSourceOffset,
nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
nsISupports *aContext,
nsIInputStream *iStr,
uint64_t aSourceOffset,
uint32_t aCount)
{
nsresult rv = NS_ERROR_INVALID_CONTENT_ENCODING;
@ -151,7 +145,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
if (mInpBuffer != nullptr && streamLen > mInpBufferLen)
{
mInpBuffer = (unsigned char *) realloc(mInpBuffer, mInpBufferLen = streamLen);
if (mOutBufferLen < streamLen * 2)
mOutBuffer = (unsigned char *) realloc(mOutBuffer, mOutBufferLen = streamLen * 3);
@ -176,7 +170,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
if (!mStreamInitialized)
{
memset(&d_stream, 0, sizeof (d_stream));
if (inflateInit(&d_stream) != Z_OK)
return NS_ERROR_FAILURE;
@ -190,7 +184,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
{
d_stream.next_out = mOutBuffer;
d_stream.avail_out = (uInt)mOutBufferLen;
int code = inflate(&d_stream, Z_NO_FLUSH);
unsigned bytesWritten = (uInt)mOutBufferLen - d_stream.avail_out;
@ -202,7 +196,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
if (NS_FAILED (rv))
return rv;
}
inflateEnd(&d_stream);
mStreamEnded = true;
break;
@ -253,9 +247,9 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
// reset stream pointers to our original data
d_stream.next_in = mInpBuffer;
d_stream.avail_in = (uInt)streamLen;
}
else
} else {
return NS_ERROR_INVALID_CONTENT_ENCODING;
}
} /* for */
}
else
@ -263,7 +257,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
if (!mStreamInitialized)
{
memset(&d_stream, 0, sizeof (d_stream));
if (inflateInit2(&d_stream, -MAX_WBITS) != Z_OK)
return NS_ERROR_FAILURE;
@ -277,7 +271,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
{
d_stream.next_out = mOutBuffer;
d_stream.avail_out = (uInt)mOutBufferLen;
int code = inflate (&d_stream, Z_NO_FLUSH);
unsigned bytesWritten = (uInt)mOutBufferLen - d_stream.avail_out;
@ -289,7 +283,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
if (NS_FAILED (rv))
return rv;
}
inflateEnd(&d_stream);
mStreamEnded = true;
break;
@ -319,7 +313,7 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
} /* gzip */
break;
default:
default:
rv = mListener->OnDataAvailable(request, aContext, iStr, aSourceOffset, aCount);
if (NS_FAILED (rv))
return rv;
@ -332,14 +326,14 @@ nsHTTPCompressConv::OnDataAvailable(nsIRequest* request,
// XXX/ruslan: need to implement this too
NS_IMETHODIMP
nsHTTPCompressConv::Convert(nsIInputStream *aFromStream,
const char *aFromType,
const char *aToType,
nsISupports *aCtxt,
nsHTTPCompressConv::Convert(nsIInputStream *aFromStream,
const char *aFromType,
const char *aToType,
nsISupports *aCtxt,
nsIInputStream **_retval)
{
{
return NS_ERROR_NOT_IMPLEMENTED;
}
}
nsresult
nsHTTPCompressConv::do_OnDataAvailable(nsIRequest* request,
@ -391,7 +385,7 @@ nsHTTPCompressConv::check_header(nsIInputStream *iStr, uint32_t streamLen, nsres
uint32_t unused;
iStr->Read(&c, 1, &unused);
streamLen--;
if (mSkipCount == 0 && ((unsigned)c & 0377) != gz_magic[0])
{
*rs = NS_ERROR_INVALID_CONTENT_ENCODING;
@ -432,7 +426,7 @@ nsHTTPCompressConv::check_header(nsIInputStream *iStr, uint32_t streamLen, nsres
if (mSkipCount == 6)
hMode = GZIP_EXTRA0;
break;
case GZIP_EXTRA0:
if (mFlags & EXTRA_FIELD)
{

9
netwerk/streamconv/converters/nsHTTPCompressConv.h
View File

@ -43,28 +43,27 @@ public:
// nsISupports methods
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
// nsIStreamConverter methods
NS_DECL_NSISTREAMCONVERTER
nsHTTPCompressConv ();
private:
virtual ~nsHTTPCompressConv ();
nsIStreamListener *mListener; // this guy gets the converted data via his OnDataAvailable ()
CompressMode mMode;
nsCOMPtr<nsIStreamListener> mListener; // this guy gets the converted data via his OnDataAvailable ()
CompressMode mMode;
unsigned char *mOutBuffer;
unsigned char *mInpBuffer;
uint32_t mOutBufferLen;
uint32_t mInpBufferLen;
nsCOMPtr<nsISupports> mAsyncConvContext;
nsCOMPtr<nsIStringInputStream> mStream;