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/* -*- 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 TabChild;
} // 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.Append(" (set NECKO_ERRORS_ARE_FATAL=0 in your environment to " \
"convert this error into a warning.)"); \
NS_RUNTIMEABORT(msg.get()); \
} else { \
msg.Append(" (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);
}
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
MissingRequiredTabChild(mozilla::dom::TabChild* tabChild,
const char* context)
{
if (UsingNeckoIPCSecurity()) {
if (!tabChild) {
printf_stderr("WARNING: child tried to open %s IPDL channel w/o "
"security info\n", context);
return true;
}
}
return false;
}
} // namespace net
} // namespace mozilla
#endif // mozilla_net_NeckoCommon_h
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