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// -*- Mode: C++ -*-
// vim:ft=cpp
/*
 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
 *               Alexander Warg <warg@os.inf.tu-dresden.de>,
 *               Björn Döbel <doebel@os.inf.tu-dresden.de>
 *     economic rights: Technische Universität Dresden (Germany)
 *
 * This file is part of TUD:OS and distributed under the terms of the
 * GNU General Public License 2.
 * Please see the COPYING-GPL-2 file for details.
 *
 * As a special exception, you may use this file as part of a free software
 * library without restriction.  Specifically, if other files instantiate
 * templates or use macros or inline functions from this file, or you compile
 * this file and link it with other files to produce an executable, this
 * file does not by itself cause the resulting executable to be covered by
 * the GNU General Public License.  This exception does not however
 * invalidate any other reasons why the executable file might be covered by
 * the GNU General Public License.
 */
#pragma once
 
#include <l4/sys/capability>
#include <l4/re/protocols.h>
#include <l4/sys/cxx/ipc_iface>
#include <l4/sys/cxx/ipc_array>
#include <l4/sys/cxx/ipc_string>
 
namespace L4Re {
 
class L4_EXPORT Namespace :
  public L4::Kobject_t<Namespace, L4::Kobject, L4RE_PROTO_NAMESPACE,
                       L4::Type_info::Demand_t<1> >
{
public:
  enum Register_flags
  {
    Ro        = L4_CAP_FPAGE_RO,   
    Rw        = L4_CAP_FPAGE_RW,   
    Rs        = L4_CAP_FPAGE_RS,   
    Rws       = L4_CAP_FPAGE_RWS,  
    Strong    = L4_CAP_FPAGE_S,    
    Trusted   = 0x008,             
 
    Cap_flags = Ro | Rw | Strong | Trusted,
 
    Link      = 0x100,             
    Overwrite = 0x200,             
  };
 
  enum Query_result_flags
  {
    Partly_resolved = 0x020,      
  };
 
  enum Query_timeout
  {
    To_default      = 3600000, 
    To_non_blocking = 0,       
  };
 
  L4_RPC_NF(
      long, query, (L4::Ipc::Array_ref<char const, unsigned long> name,
                    L4::Ipc::Small_buf cap,
                    L4::Ipc::Snd_fpage &snd_cap, L4::Ipc::Opt<L4::Opcode &> dummy,
                    L4::Ipc::Opt<L4::Ipc::Array_ref<char const, unsigned long> &> out_name));
 
  long query(char const *name, L4::Cap<void> const &cap,
             int timeout = To_default,
             l4_umword_t *local_id = 0, bool iterate = true) const noexcept;
 
  long query(char const *name, unsigned len, L4::Cap<void> const &cap,
             int timeout = To_default,
             l4_umword_t *local_id = 0, bool iterate = true) const noexcept;
 
  L4_RPC_NF(long, register_obj, (unsigned flags,
                                L4::Ipc::Array<char const, unsigned long> name,
                                L4::Ipc::Opt< L4::Ipc::Cap<void> > obj),
            L4::Ipc::Call_t<L4_CAP_FPAGE_W>);
 
  long register_obj(char const *name, L4::Ipc::Cap<void> obj,
                    unsigned flags = Rw) const noexcept
  {
    return register_obj_t::call(c(), flags,
                                L4::Ipc::Array<char const, unsigned long>(
                                  __builtin_strlen(name), name),
                                obj);
  }
 
  L4_RPC_NF_OP(3, // backward compatibility opcode
               long, unlink, (L4::Ipc::Array<char const, unsigned long> name),
               L4::Ipc::Call_t<L4_CAP_FPAGE_W>);
 
  long unlink(char const* name)
  {
    return unlink_t::call(c(), L4::Ipc::Array<char const, unsigned long>(
                                 __builtin_strlen(name), name));
  }
 
  typedef L4::Typeid::Rpcs<query_t, register_obj_t, unlink_t> Rpcs;
 
private:
  long _query(char const *name, unsigned len,
              L4::Cap<void> const &target, l4_umword_t *local_id,
              bool iterate) const noexcept;
 
};
 
};