Socket/ReadWritePolicy.hh

   1 // $Id$
   2 //
   3 // Copyright (C) 2006
   4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
   5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
   6 //     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24
  25     \todo ReadWritePolicy.test.cc
  26  */
  27
  28 #ifndef HH_ReadWritePolicy_
  29 #define HH_ReadWritePolicy_ 1
  30
  31 // Custom includes
  32 #include "SocketPolicy.hh"
  33 #include "ClientSocketHandle.hh"
  34 #include "CommunicationPolicy.hh"
  35
  36 //#include "ReadWritePolicy.mpp"
  37 ///////////////////////////////hh.p////////////////////////////////////////
  38
  39
  40 struct sockaddr;
  41
  42 namespace senf {
  43
  44
  45     struct ReadablePolicy : public ReadPolicyBase
  46     {
  47         static unsigned read(FileHandle handle, char * buffer, unsigned size);
  48         template <class Policy>
  49         static unsigned readfrom(ClientSocketHandle<Policy> handle, char * buffer, unsigned size,
  50                                  typename Policy::AddressingPolicy::Address & address,
  51                                  typename IfCommunicationPolicyIs<Policy,UnconnectedCommunicationPolicy>::type * = 0);
  52
  53     private:
  54         static unsigned do_readfrom(FileHandle handle, char * buffer, unsigned size,
  55                                     struct ::sockaddr * addr, socklen_t len);
  56     };
  57
  58     struct NotReadablePolicy : public ReadPolicyBase
  59     {};
  60
  61     struct WriteablePolicy : public WritePolicyBase
  62     {
  63         template <class Policy>
  64         static unsigned write(ClientSocketHandle<Policy> handle, char const * buffer, unsigned size,
  65                               typename IfCommunicationPolicyIs<Policy,ConnectedCommunicationPolicy>::type * = 0);
  66         template <class Policy>
  67         static unsigned writeto(ClientSocketHandle<Policy> handle,
  68                                 typename boost::call_traits<typename Policy::AddressingPolicy::Address>::param_type addr,
  69                                 char const * buffer, unsigned size,
  70                                 typename IfCommunicationPolicyIs<Policy,UnconnectedCommunicationPolicy>::type * = 0);
  71
  72     private:
  73         static unsigned do_write(FileHandle handle, char const * buffer, unsigned size);
  74         static unsigned do_writeto(FileHandle handle, char const * buffer, unsigned size,
  75                                    struct sockaddr * addr, socklen_t len);
  76     };
  77
  78     struct NotWriteablePolicy : public WritePolicyBase
  79     {};
  80
  81 }
  82
  83
  84 ///////////////////////////////hh.e////////////////////////////////////////
  85 //#include "ReadWritePolicy.cci"
  86 //#include "ReadWritePolicy.ct"
  87 #include "ReadWritePolicy.cti"
  88 #endif
  89
  90 \f
  91 // Local Variables:
  92 // mode: c++
  93 // c-file-style: "senf"
  94 // End: