* Copyright 2005-2007, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
* All rights reserved. Distributed under the terms of the MIT License.
*/
#ifndef _BOOT_REMOTE_DISK_H
#define _BOOT_REMOTE_DISK_H
#include <netinet/in.h>
#include <SupportDefs.h>
#include <boot/net/RemoteDiskDefs.h>
class RemoteDisk {
public:
RemoteDisk();
~RemoteDisk();
status_t Init(uint32 serverAddress, uint16 serverPort,
off_t imageSize);
status_t FindAnyRemoteDisk();
ssize_t ReadAt(off_t pos, void *buffer,
size_t bufferSize);
ssize_t WriteAt(off_t pos, const void *buffer,
size_t bufferSize);
off_t Size() const
{ return fImageSize; }
bool IsReadOnly() const
{ return false; }
private:
status_t _Init();
ssize_t _ReadFromPacket(off_t& pos, uint8*& buffer,
size_t& bufferSize);
status_t _SendRequest(remote_disk_header *request,
size_t size, uint8 expectedReply,
sockaddr_in* peerAddress = NULL);
status_t _SendRequest(remote_disk_header *request,
size_t size, uint8 expectedReply,
sockaddr_in* peerAddress,
void* receiveBuffer,
size_t receiveBufferSize,
int32* bytesReceived);
private:
sockaddr_in fSocketAddress;
sockaddr_in fServerAddress;
off_t fImageSize;
uint64 fRequestID;
int fSocket;
void* fPacket;
int32 fPacketSize;
};
#endif
