79 lines
1.6 KiB
C++
79 lines
1.6 KiB
C++
/*
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* Copyright 2001-2005, Haiku.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* DarkWyrm <bpmagic@columbus.rr.com>
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* Pahtz <pahtz@yahoo.com.au>
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* Axel Dörfler, axeld@pinc-software.de
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*/
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#ifndef _LINK_SENDER_H
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#define _LINK_SENDER_H
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#include <OS.h>
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namespace BPrivate {
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class LinkSender {
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public:
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LinkSender(port_id sendport);
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virtual ~LinkSender(void);
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void SetPort(port_id port);
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port_id Port() const { return fPort; }
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team_id TargetTeam() const;
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void SetTargetTeam(team_id team);
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status_t StartMessage(int32 code, size_t minSize = 0);
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void CancelMessage(void);
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status_t EndMessage(bool needsReply = false);
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status_t Flush(bigtime_t timeout = B_INFINITE_TIMEOUT, bool needsReply = false);
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status_t Attach(const void *data, size_t size);
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status_t AttachString(const char *string, int32 maxLength = -1);
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template <class Type> status_t Attach(const Type& data)
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{
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return Attach(&data, sizeof(Type));
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}
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protected:
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size_t SpaceLeft() const { return fBufferSize - fCurrentEnd; }
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size_t CurrentMessageSize() const { return fCurrentEnd - fCurrentStart; }
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status_t AdjustBuffer(size_t newBufferSize, char **_oldBuffer = NULL);
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status_t FlushCompleted(size_t newBufferSize);
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port_id fPort;
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team_id fTargetTeam;
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char *fBuffer;
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size_t fBufferSize;
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uint32 fCurrentEnd; // current append position
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uint32 fCurrentStart; // start of current message
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status_t fCurrentStatus;
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};
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inline team_id
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LinkSender::TargetTeam() const
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{
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return fTargetTeam;
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}
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inline void
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LinkSender::SetTargetTeam(team_id team)
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{
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fTargetTeam = team;
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}
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} // namespace BPrivate
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#endif /* _LINK_SENDER_H */
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