gecko-dev/netwerk/protocol/http/AltDataOutputStreamChild.h
Kan-Ru Chen f8100451db Bug 1314254 - Add mozilla::ipc::IPCResult type and convert IPDL handlers to use new return type. r=billm
We will use the new type for the generated IPDL message handler
prototype to make sure correct error handling method is called.

MozReview-Commit-ID: AzVbApxFGZ0
2016-11-15 04:26:00 +01:00

47 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_net_AltDataOutputStreamChild_h
#define mozilla_net_AltDataOutputStreamChild_h
#include "mozilla/net/PAltDataOutputStreamChild.h"
#include "nsIOutputStream.h"
namespace mozilla {
namespace net {
class AltDataOutputStreamChild
: public PAltDataOutputStreamChild
, public nsIOutputStream
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOUTPUTSTREAM
explicit AltDataOutputStreamChild();
void AddIPDLReference();
void ReleaseIPDLReference();
// Saves an error code which will be reported to the writer on the next call.
virtual mozilla::ipc::IPCResult RecvError(const nsresult& err) override;
private:
virtual ~AltDataOutputStreamChild();
// Sends data to the parent process in 256k chunks.
bool WriteDataInChunks(const nsCString& data);
bool mIPCOpen;
// If there was an error opening the output stream or writing to it on the
// parent side, this will be set to the error code. We check it before we
// write so we can report an error to the consumer.
nsresult mError;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_AltDataOutputStreamChild_h