l4/pkg/mag/plugins/client_fb/service.cc

   1 /*
   2  * (c) 2010 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
   3  *          Alexander Warg <warg@os.inf.tu-dresden.de>
   4  *     economic rights: Technische Universität Dresden (Germany)
   5  *
   6  * This file is part of TUD:OS and distributed under the terms of the
   7  * GNU General Public License 2.
   8  * Please see the COPYING-GPL-2 file for details.
   9  */
  10 #include <l4/cxx/ipc_server>
  11 #include <l4/re/util/object_registry>
  12 #include <l4/re/env>
  13 #include <l4/re/protocols>
  14 #include <l4/re/console>
  15 #include <l4/re/util/cap_alloc>
  16 #include <l4/re/error_helper>
  17 #include <l4/re/rm>
  18 #include <l4/re/dataspace>
  19 #include <l4/re/mem_alloc>
  20 #include <l4/re/util/meta>
  21
  22 #include <cstdio>
  23 #include <cstring>
  24 #include <algorithm>
  25
  26 #include "client_fb.h"
  27 #include <l4/mag-gfx/canvas>
  28 #include <l4/mag/server/user_state>
  29 #include <l4/mag/server/factory>
  30
  31 #include "service.h"
  32 #include <l4/sys/kdebug.h>
  33
  34 namespace Mag_server {
  35
  36 using L4Re::Util::Auto_cap;
  37
  38 void Service::start(Core_api *core)
  39 {
  40   _core = core;
  41   if (!reg()->register_obj(cxx::Ref_ptr<Service>(this), "svc").is_valid())
  42     printf("Service registration failed.\n");
  43   else
  44     printf("Plugin: Frame-buffer service started\n");
  45 }
  46
  47
  48 namespace {
  49   Session::Property_handler const _client_fb_opts[] =
  50     { { "g",         true,  &Client_fb::set_geometry_prop },
  51       { "geometry",  true,  &Client_fb::set_geometry_prop },
  52       { "focus",     false, &Client_fb::set_flags_prop },
  53       { "shaded",    false, &Client_fb::set_flags_prop },
  54       { "fixed",     false, &Client_fb::set_flags_prop },
  55       { "barheight", true,  &Client_fb::set_bar_height_prop },
  56       { 0, 0, 0 }
  57     };
  58 };
  59
  60 int
  61 Service::dispatch(l4_umword_t, L4::Ipc_iostream &ios)
  62 {
  63   l4_msgtag_t tag;
  64   ios >> tag;
  65
  66   switch (tag.label())
  67     {
  68     case L4::Meta::Protocol:
  69       return L4Re::Util::handle_meta_request<L4::Factory>(ios);
  70     case L4::Factory::Protocol:
  71       if (L4::kobject_typeid<L4Re::Console>()->
  72             has_proto(L4::Ipc::read<L4::Factory::Proto>(ios)))
  73         {
  74           L4::Ipc::Istream_copy cp_is = ios;
  75           cxx::Ref_ptr<Client_fb> x(new Client_fb(_core));
  76           _core->set_session_options(x.get(), cp_is, _client_fb_opts);
  77           x->setup();
  78
  79           _core->register_session(x.get());
  80           reg()->register_obj(x);
  81           x->obj_cap()->dec_refcnt(1);
  82           ust()->vstack()->push_top(x.ptr());
  83           ios << x->obj_cap();
  84           return 0;
  85         }
  86       return -L4_ENODEV;
  87     default:
  88       return -L4_EBADPROTO;
  89     }
  90 }
  91
  92 void
  93 Service::destroy()
  94 {
  95   printf("MAG: destroying the fb_client_service, holla\n");
  96 }
  97
  98 Service::~Service()
  99 {
 100   printf("MAG: destroy FB svc\n");
 101 }
 102
 103 static Service _fb_service("frame-buffer");
 104
 105 }