TAO_RTCORBA: Linear_Network_Priority

00001 
00002 // $Id: Linear_Network_Priority_Mapping.cpp 76593 2007-01-25 19:19:27Z johnnyw $
00003 
00004 #include "tao/orbconf.h"
00005 
00006 #if defined (TAO_HAS_CORBA_MESSAGING) && TAO_HAS_CORBA_MESSAGING != 0
00007 
00008 #include "tao/RTCORBA/Linear_Network_Priority_Mapping.h"
00009 #include "tao/debug.h"
00010 
00011 #include "ace/Sched_Params.h"
00012 #include "ace/Log_Msg.h"
00013 
00014 ACE_RCSID (RTCORBA,
00015            Linear_Network_Priority_Mapping,
00016            "$Id: Linear_Network_Priority_Mapping.cpp 76593 2007-01-25 19:19:27Z johnnyw $")
00017 
00018 #define IPDSFIELD_DSCP_DEFAULT  0x00
00019 #define IPDSFIELD_DSCP_CS1      0x08
00020 #define IPDSFIELD_DSCP_CS2      0x10
00021 #define IPDSFIELD_DSCP_CS3      0x18
00022 #define IPDSFIELD_DSCP_CS4      0x20
00023 #define IPDSFIELD_DSCP_CS5      0x28
00024 #define IPDSFIELD_DSCP_CS6      0x30
00025 #define IPDSFIELD_DSCP_CS7      0x38
00026 #define IPDSFIELD_DSCP_AF11     0x0A
00027 #define IPDSFIELD_DSCP_AF12     0x0C
00028 #define IPDSFIELD_DSCP_AF13     0x0E
00029 #define IPDSFIELD_DSCP_AF21     0x12
00030 #define IPDSFIELD_DSCP_AF22     0x14
00031 #define IPDSFIELD_DSCP_AF23     0x16
00032 #define IPDSFIELD_DSCP_AF31     0x1A
00033 #define IPDSFIELD_DSCP_AF32     0x1C
00034 #define IPDSFIELD_DSCP_AF33     0x1E
00035 #define IPDSFIELD_DSCP_AF41     0x22
00036 #define IPDSFIELD_DSCP_AF42     0x24
00037 #define IPDSFIELD_DSCP_AF43     0x26
00038 #define IPDSFIELD_ECT_MASK      0x02
00039 #define IPDSFIELD_CE_MASK       0x01
00040 #define IPDSFIELD_DSCP_EF       0x2E
00041 
00042 static int const dscp[] =
00043 {
00044   IPDSFIELD_DSCP_DEFAULT ,
00045   IPDSFIELD_DSCP_CS1     ,
00046   IPDSFIELD_DSCP_CS2     ,
00047   IPDSFIELD_DSCP_CS3     ,
00048   IPDSFIELD_DSCP_CS4     ,
00049   IPDSFIELD_DSCP_CS5     ,
00050   IPDSFIELD_DSCP_CS6     ,
00051   IPDSFIELD_DSCP_CS7     ,
00052   IPDSFIELD_DSCP_AF11    ,
00053   IPDSFIELD_DSCP_AF12    ,
00054   IPDSFIELD_DSCP_AF13    ,
00055   IPDSFIELD_DSCP_AF21    ,
00056   IPDSFIELD_DSCP_AF22    ,
00057   IPDSFIELD_DSCP_AF23    ,
00058   IPDSFIELD_DSCP_AF31    ,
00059   IPDSFIELD_DSCP_AF32    ,
00060   IPDSFIELD_DSCP_AF33    ,
00061   IPDSFIELD_DSCP_AF41    ,
00062   IPDSFIELD_DSCP_AF42    ,
00063   IPDSFIELD_DSCP_AF43    ,
00064   IPDSFIELD_DSCP_EF
00065 };
00066 
00067 /*
00068 static const char * const dscp_char[]=
00069 {
00070   "Normal",
00071   "CS1",
00072   "CS2",
00073   "CS3",
00074   "CS4",
00075   "CS5",
00076   "CS6",
00077   "CS7",
00078   "Assured Forwarding 11",
00079   "Assured Forwarding 12",
00080   "Assured Forwarding 13",
00081   "Assured Forwarding 21",
00082   "Assured Forwarding 22",
00083   "Assured Forwarding 23",
00084   "Assured Forwarding 31",
00085   "Assured Forwarding 32",
00086   "Assured Forwarding 33",
00087   "Assured Forwarding 41",
00088   "Assured Forwarding 42",
00089   "Assured Forwarding 43",
00090   "Expedited Forwarding"
00091 };
00092 */
00093 
00094 TAO_BEGIN_VERSIONED_NAMESPACE_DECL
00095 
00096 TAO_Linear_Network_Priority_Mapping::TAO_Linear_Network_Priority_Mapping (long)
00097 {
00098 }
00099 
00100 CORBA::Boolean
00101 TAO_Linear_Network_Priority_Mapping::to_network (
00102   RTCORBA::Priority corba_priority,
00103   RTCORBA::NetworkPriority &network_priority)
00104 {
00105   if (TAO_debug_level)
00106     ACE_DEBUG ((LM_DEBUG,
00107                 "TAO_Linear_Network_Priority_Mapping::to_network corba_priority %d\n",
00108                 corba_priority));
00109 
00110   int const total_slots = sizeof (dscp) / sizeof (int);
00111 
00112   int array_slot =
00113     static_cast<int> (((corba_priority - RTCORBA::minPriority) / double (RTCORBA::maxPriority - RTCORBA::minPriority)) * total_slots);
00114 
00115   if (array_slot == total_slots)
00116     array_slot -= 1;
00117 
00118   network_priority = dscp[array_slot];
00119 
00120   if (TAO_debug_level)
00121     ACE_DEBUG ((LM_DEBUG,
00122                 "TAO_Linear_Network_Priority_Mapping::to_network = %x\n",
00123                 network_priority));
00124 
00125   return 1;
00126 }
00127 
00128 CORBA::Boolean
00129 TAO_Linear_Network_Priority_Mapping::to_CORBA (RTCORBA::NetworkPriority network_priority,
00130                                                RTCORBA::Priority &/*corba_priority*/)
00131 {
00132   if (TAO_debug_level)
00133     ACE_DEBUG ((LM_DEBUG,
00134                 "TAO_Linear_Network_Priority_Mapping::to_CORBA network_priority %d\n",
00135                 network_priority));
00136 
00137   return 0;
00138 }
00139 
00140 TAO_END_VERSIONED_NAMESPACE_DECL
00141 
00142 #endif /* TAO_HAS_CORBA_MESSAGING && TAO_HAS_CORBA_MESSAGING != 0 */