include/lldb/Core/ConnectionSharedMemory.h

//===-- ConnectionSharedMemory.h --------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_ConnectionSharedMemory_h_
#define liblldb_ConnectionSharedMemory_h_

// C Includes
// C++ Includes
#include <string>

// Other libraries and framework includes
// Project includes
#include "lldb/Core/Connection.h"
#include "lldb/Core/DataBufferMemoryMap.h"

namespace lldb_private {

class ConnectionSharedMemory :
    public Connection
{
public:

    ConnectionSharedMemory ();

    virtual
    ~ConnectionSharedMemory ();

    virtual bool
    IsConnected () const;

    virtual lldb::ConnectionStatus
    BytesAvailable (uint32_t timeout_usec, Error *error_ptr);

    virtual lldb::ConnectionStatus
    Connect (const char *s, Error *error_ptr);

    virtual lldb::ConnectionStatus
    Disconnect (Error *error_ptr);

    virtual size_t
    Read (void *dst, 
          size_t dst_len, 
          uint32_t timeout_usec,
          lldb::ConnectionStatus &status, 
          Error *error_ptr);

    virtual size_t
    Write (const void *src, size_t src_len, lldb::ConnectionStatus &status, Error *error_ptr);

    lldb::ConnectionStatus
    Open (bool create, const char *name, size_t size, Error *error_ptr);

protected:

    std::string m_name;
    int m_fd;    // One buffer that contains all we need
    DataBufferMemoryMap m_mmap;
private:
    DISALLOW_COPY_AND_ASSIGN (ConnectionSharedMemory);
};

} // namespace lldb_private

#endif  // liblldb_ConnectionSharedMemory_h_