gecko-dev/netwerk/ipc/NeckoCommon.h

142 строки
5.5 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_NeckoCommon_h
#define mozilla_net_NeckoCommon_h
#include "nsXULAppAPI.h"
#include "prenv.h"
#include "nsPrintfCString.h"
#include "mozilla/Preferences.h"
namespace mozilla {
namespace dom {
class BrowserChild;
} // namespace dom
} // namespace mozilla
#if defined(DEBUG)
# define NECKO_ERRORS_ARE_FATAL_DEFAULT true
#else
# define NECKO_ERRORS_ARE_FATAL_DEFAULT false
#endif
// TODO: Eventually remove NECKO_MAYBE_ABORT and DROP_DEAD (bug 575494).
// Still useful for catching listener interfaces we don't yet support across
// processes, etc.
#define NECKO_MAYBE_ABORT(msg) \
do { \
bool abort = NECKO_ERRORS_ARE_FATAL_DEFAULT; \
const char* e = PR_GetEnv("NECKO_ERRORS_ARE_FATAL"); \
if (e) abort = (*e == '0') ? false : true; \
if (abort) { \
msg.AppendLiteral( \
" (set NECKO_ERRORS_ARE_FATAL=0 in your environment " \
"to convert this error into a warning.)"); \
MOZ_CRASH_UNSAFE(msg.get()); \
} else { \
msg.AppendLiteral( \
" (set NECKO_ERRORS_ARE_FATAL=1 in your environment " \
"to convert this warning into a fatal error.)"); \
NS_WARNING(msg.get()); \
} \
} while (0)
#define DROP_DEAD() \
do { \
nsPrintfCString msg("NECKO ERROR: '%s' UNIMPLEMENTED", __FUNCTION__); \
NECKO_MAYBE_ABORT(msg); \
return NS_ERROR_NOT_IMPLEMENTED; \
} while (0)
#define ENSURE_CALLED_BEFORE_ASYNC_OPEN() \
do { \
if (mIsPending || mWasOpened) { \
nsPrintfCString msg("'%s' called after AsyncOpen: %s +%d", __FUNCTION__, \
__FILE__, __LINE__); \
NECKO_MAYBE_ABORT(msg); \
} \
NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS); \
NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED); \
} while (0)
// Fails call if made after request observers (on-modify-request, etc) have been
// called
#define ENSURE_CALLED_BEFORE_CONNECT() \
do { \
if (mRequestObserversCalled) { \
nsPrintfCString msg("'%s' called too late: %s +%d", __FUNCTION__, \
__FILE__, __LINE__); \
NECKO_MAYBE_ABORT(msg); \
if (mIsPending) return NS_ERROR_IN_PROGRESS; \
MOZ_ASSERT(mWasOpened); \
return NS_ERROR_ALREADY_OPENED; \
} \
} while (0)
namespace mozilla {
namespace net {
inline bool IsNeckoChild() {
static bool didCheck = false;
static bool amChild = false;
if (!didCheck) {
didCheck = true;
amChild = (XRE_GetProcessType() == GeckoProcessType_Content) &&
!recordreplay::IsMiddleman();
}
return amChild;
}
inline bool IsSocketProcessChild() {
static bool amChild = (XRE_GetProcessType() == GeckoProcessType_Socket);
return amChild;
}
namespace NeckoCommonInternal {
extern bool gSecurityDisabled;
extern bool gRegisteredBool;
} // namespace NeckoCommonInternal
// This should always return true unless xpcshell tests are being used
inline bool UsingNeckoIPCSecurity() {
return !NeckoCommonInternal::gSecurityDisabled;
}
inline bool MissingRequiredBrowserChild(
mozilla::dom::BrowserChild* browserChild, const char* context) {
if (UsingNeckoIPCSecurity()) {
if (!browserChild) {
printf_stderr(
"WARNING: child tried to open %s IPDL channel w/o "
"security info\n",
context);
return true;
}
}
return false;
}
class HttpChannelSecurityWarningReporter : public nsISupports {
public:
virtual MOZ_MUST_USE nsresult ReportSecurityMessage(
const nsAString& aMessageTag, const nsAString& aMessageCategory) = 0;
virtual MOZ_MUST_USE nsresult LogBlockedCORSRequest(
const nsAString& aMessage, const nsACString& aCategory) = 0;
virtual MOZ_MUST_USE nsresult
LogMimeTypeMismatch(const nsACString& aMessageName, bool aWarning,
const nsAString& aURL, const nsAString& aContentType) = 0;
};
} // namespace net
} // namespace mozilla
#endif // mozilla_net_NeckoCommon_h