Files
haiku-beta6/headers/private/app/LinkSender.h
T
X512 b6f74b4905 app_server: do not pass BAffineTransform as-is over server link
BAffineTransform is not POD type and contains vtable. Reading it from
byte stream as-is will cause vtable corruption.

Change-Id: I1371444444ffa47f77a88f5f82b3fe6ea031b14c
Reviewed-on: https://review.haiku-os.org/c/haiku/+/9660
Reviewed-by: waddlesplash <[email protected]>
Tested-by: Commit checker robot <[email protected]>
2025-09-23 01:54:28 +00:00

93 lines
2.0 KiB
C++

/*
* Copyright 2001-2005, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* DarkWyrm <[email protected]>
* Pahtz <[email protected]>
* Axel Dörfler, [email protected]
*/
#ifndef _LINK_SENDER_H
#define _LINK_SENDER_H
#include <AffineTransform.h>
#include <OS.h>
class BGradient;
class BRegion;
class BShape;
namespace BPrivate {
class LinkSender {
public:
LinkSender(port_id sendport);
virtual ~LinkSender(void);
void SetPort(port_id port);
port_id Port() const { return fPort; }
team_id TargetTeam() const;
void SetTargetTeam(team_id team);
status_t StartMessage(int32 code, size_t minSize = 0);
void CancelMessage(void);
status_t EndMessage(bool needsReply = false);
status_t Flush(bigtime_t timeout = B_INFINITE_TIMEOUT, bool needsReply = false);
status_t Attach(const void *data, size_t size);
status_t AttachString(const char *string, int32 maxLength = -1);
status_t AttachRegion(const BRegion& region);
status_t AttachShape(BShape& shape);
status_t AttachGradient(const BGradient& gradient);
status_t AttachAffineTransform(const BAffineTransform& transform)
{
return Attach(&transform.sx, sizeof(double) * 6);
}
template <class Type> status_t Attach(const Type& data)
{
return Attach(&data, sizeof(Type));
}
protected:
size_t SpaceLeft() const { return fBufferSize - fCurrentEnd; }
size_t CurrentMessageSize() const { return fCurrentEnd - fCurrentStart; }
status_t AdjustBuffer(size_t newBufferSize, char **_oldBuffer = NULL);
status_t FlushCompleted(size_t newBufferSize);
port_id fPort;
team_id fTargetTeam;
char *fBuffer;
size_t fBufferSize;
uint32 fCurrentEnd; // current append position
uint32 fCurrentStart; // start of current message
status_t fCurrentStatus;
};
inline team_id
LinkSender::TargetTeam() const
{
return fTargetTeam;
}
inline void
LinkSender::SetTargetTeam(team_id team)
{
fTargetTeam = team;
}
} // namespace BPrivate
#endif /* _LINK_SENDER_H */