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#ifndef COMMS_H
#define COMMS_H
#include <stdio.h>
#include <stdint.h>
#include <fuse/fuse.h>
#include "smartpointer.h"
class DataPayload : public IsRefCounted {
public:
typedef uint16_t TypeID;
virtual TypeID dataTypeID() const = 0;
virtual void Send(FILE *) const = 0;
virtual void Read(FILE *) = 0;
};
class NetFS;
template <class Type>
class TypedPayload : public DataPayload {
public:
typedef SmartPointer<TypedPayload<Type> > Ptr;
Type data;
TypeID dataTypeID() const { return Type::TypeID; }
void Send(FILE * h) const { data.Send(h); }
void Read(FILE * h) { data.Read(h); }
};
template <class Type>
class TypedPayloadReq : public TypedPayload<Type> {
public:
typedef typename Type::Reply Reply;
typedef SmartPointer<TypedPayloadReq<Type> > Ptr;
typedef SmartPointer<TypedPayload<Reply> > ReplyPtr;
TypedPayloadReq(fuse_context * fc)
{
TypedPayload<Type>::data.uid = fc->uid;
TypedPayload<Type>::data.gid = fc->gid;
}
ReplyPtr exchange(NetFS *);
};
typedef SmartPointer<DataPayload> DataPayloadPtr;
typedef SmartPointer<const DataPayload> DataPayloadCPtr;
class Packet : public IsRefCounted {
public:
Packet(FILE *);
Packet(uint8_t i, DataPayloadPtr p);
void write(FILE *) const;
uint8_t index;
DataPayloadPtr data;
};
typedef SmartPointer<Packet> PacketPtr;
void
sendPacket(PacketPtr p);
#endif
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