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 #ifndef HH_ReadWritePolicy_
  24 #define HH_ReadWritePolicy_ 1
  25
  26 // Custom includes
  27 #include "SocketPolicy.hh"
  28 #include "ClientSocketHandle.hh"
  29 #include "CommunicationPolicy.hh"
  30
  31 //#include "ReadWritePolicy.mpp"
  32 ///////////////////////////////hh.p////////////////////////////////////////
  33
  34 // TODO: ReadWritePolicy.test.cc ...
  35
  36 struct sockaddr;
  37
  38 namespace senf {
  39
  40
  41     struct ReadablePolicy : public ReadPolicyBase
  42     {
  43         static unsigned read(FileHandle handle, char * buffer, unsigned size);
  44         template <class Policy>
  45         static unsigned readfrom(ClientSocketHandle<Policy> handle, char * buffer, unsigned size,
  46                                  typename Policy::AddressingPolicy::Address & address,
  47                                  typename IfCommunicationPolicyIs<Policy,UnconnectedCommunicationPolicy>::type * = 0);
  48
  49     private:
  50         static unsigned do_readfrom(FileHandle handle, char * buffer, unsigned size,
  51                                     struct ::sockaddr * addr, socklen_t len);
  52     };
  53
  54     struct NotReadablePolicy : public ReadPolicyBase
  55     {};
  56
  57     struct WriteablePolicy : public WritePolicyBase
  58     {
  59         template <class Policy>
  60         static unsigned write(ClientSocketHandle<Policy> handle, char const * buffer, unsigned size,
  61                               typename IfCommunicationPolicyIs<Policy,ConnectedCommunicationPolicy>::type * = 0);
  62         template <class Policy>
  63         static unsigned writeto(ClientSocketHandle<Policy> handle,
  64                                 typename boost::call_traits<typename Policy::AddressingPolicy::Address>::param_type addr,
  65                                 char const * buffer, unsigned size,
  66                                 typename IfCommunicationPolicyIs<Policy,UnconnectedCommunicationPolicy>::type * = 0);
  67
  68     private:
  69         static unsigned do_write(FileHandle handle, char const * buffer, unsigned size);
  70         static unsigned do_writeto(FileHandle handle, char const * buffer, unsigned size,
  71                                    struct sockaddr * addr, socklen_t len);
  72     };
  73
  74     struct NotWriteablePolicy : public WritePolicyBase
  75     {};
  76
  77 }
  78
  79
  80 ///////////////////////////////hh.e////////////////////////////////////////
  81 //#include "ReadWritePolicy.cci"
  82 //#include "ReadWritePolicy.ct"
  83 #include "ReadWritePolicy.cti"
  84 #endif
  85
  86 \f
  87 // Local Variables:
  88 // mode: c++
  89 // c-file-style: "senf"
  90 // End: