projects/stargazer/plugins/other/smux/handlers.cpp

   1 #include <cassert>
   2
   3 #include "stg/GetRequest-PDU.h"
   4 #include "stg/GetResponse-PDU.h"
   5 #include "stg/VarBindList.h"
   6 #include "stg/VarBind.h"
   7
   8 #include "stg/common.h"
   9
  10 #include "utils.h"
  11 #include "smux.h"
  12
  13 #ifdef SMUX_DEBUG
  14 bool SMUX::CloseHandler(const SMUX_PDUs_t * pdus)
  15 {
  16 printfd(__FILE__, "SMUX::CloseHandler()\n");
  17 asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
  18 return true;
  19 }
  20 #else
  21 bool SMUX::CloseHandler(const SMUX_PDUs_t *)
  22 {
  23 return true;
  24 }
  25 #endif
  26
  27 #ifdef SMUX_DEBUG
  28 bool SMUX::RegisterResponseHandler(const SMUX_PDUs_t * pdus)
  29 {
  30 printfd(__FILE__, "SMUX::RegisterResponseHandler()\n");
  31 asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
  32 return true;
  33 }
  34 #else
  35 bool SMUX::RegisterResponseHandler(const SMUX_PDUs_t *)
  36 {
  37 return true;
  38 }
  39 #endif
  40
  41 bool SMUX::PDUsRequestHandler(const SMUX_PDUs_t * pdus)
  42 {
  43 #ifdef SMUX_DEBUG
  44 printfd(__FILE__, "SMUX::PDUsRequestHandler()\n");
  45 asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
  46 #endif
  47 PDUsHandlers::iterator it(pdusHandlers.find(pdus->choice.pdus.present));
  48 if (it != pdusHandlers.end())
  49     {
  50     return (this->*(it->second))(&pdus->choice.pdus);
  51     }
  52 #ifdef SMUX_DEBUG
  53 else
  54     {
  55     switch (pdus->present)
  56         {
  57         case PDUs_PR_NOTHING:
  58             printfd(__FILE__, "SMUX::PDUsRequestHandler() - nothing\n");
  59             break;
  60         case PDUs_PR_get_response:
  61             printfd(__FILE__, "SMUX::PDUsRequestHandler() - get response\n");
  62             break;
  63         case PDUs_PR_trap:
  64             printfd(__FILE__, "SMUX::PDUsRequestHandler() - trap\n");
  65             break;
  66         default:
  67             printfd(__FILE__, "SMUX::PDUsRequestHandler() - undefined\n");
  68         }
  69     }
  70 #endif
  71 return true;
  72 }
  73
  74 #ifdef SMUX_DEBUG
  75 bool SMUX::CommitOrRollbackHandler(const SMUX_PDUs_t * pdus)
  76 {
  77 printfd(__FILE__, "SMUX::CommitOrRollbackHandler()\n");
  78 asn_fprint(stderr, &asn_DEF_SMUX_PDUs, pdus);
  79 return true;
  80 }
  81 #else
  82 bool SMUX::CommitOrRollbackHandler(const SMUX_PDUs_t *)
  83 {
  84 return true;
  85 }
  86 #endif
  87
  88 bool SMUX::GetRequestHandler(const PDUs_t * pdus)
  89 {
  90 #ifdef SMUX_DEBUG
  91 printfd(__FILE__, "SMUX::GetRequestHandler()\n");
  92 asn_fprint(stderr, &asn_DEF_PDUs, pdus);
  93 #endif
  94 const GetRequest_PDU_t * getRequest = &pdus->choice.get_request;
  95 GetResponse_PDU_t * msg = static_cast<GetResponse_PDU_t *>(calloc(1, sizeof(GetResponse_PDU_t)));
  96 assert(msg && "Enought mempry to allocate GetResponse_PDU_t");
  97 VarBindList_t * varBindList = &msg->variable_bindings;
  98
  99 long id = 0;
 100 asn_INTEGER2long(&getRequest->request_id, &id);
 101 asn_long2INTEGER(&msg->request_id, id);
 102 asn_long2INTEGER(&msg->error_status, 0);
 103 asn_long2INTEGER(&msg->error_index, 0);
 104
 105 const VarBindList_t * vbl = &getRequest->variable_bindings;
 106 for (int i = 0; i < vbl->list.count; ++i)
 107     {
 108     VarBind_t * vb = getRequest->variable_bindings.list.array[i];
 109     Sensors::iterator it;
 110     it = sensors.find(OID(&vb->name));
 111     if (it == sensors.end())
 112         {
 113         return SendGetResponseErrorPDU(sock, getRequest,
 114                                        PDU__error_status_noSuchName, i);
 115         }
 116
 117     VarBind_t * newVb = static_cast<VarBind_t *>(calloc(1, sizeof(VarBind_t)));
 118     assert(newVb && "Enought mempry to allocate VarBind_t");
 119
 120     it->first.ToOID(&newVb->name);
 121     it->second->GetValue(&newVb->value);
 122
 123     ASN_SEQUENCE_ADD(varBindList, newVb);
 124     }
 125
 126 bool res = SendGetResponsePDU(sock, msg);
 127 #ifdef SMUX_DEBUG
 128 asn_fprint(stderr, &asn_DEF_GetResponse_PDU, msg);
 129 #endif
 130 ASN_STRUCT_FREE(asn_DEF_GetResponse_PDU, msg);
 131 return res;
 132 }
 133
 134 bool SMUX::GetNextRequestHandler(const PDUs_t * pdus)
 135 {
 136 #ifdef SMUX_DEBUG
 137 printfd(__FILE__, "SMUX::GetNextRequestHandler()\n");
 138 asn_fprint(stderr, &asn_DEF_PDUs, pdus);
 139 #endif
 140 const GetRequest_PDU_t * getRequest = &pdus->choice.get_request;
 141 GetResponse_PDU_t * msg = static_cast<GetResponse_PDU_t *>(calloc(1, sizeof(GetResponse_PDU_t)));
 142 assert(msg && "Enought mempry to allocate GetResponse_PDU_t");
 143 VarBindList_t * varBindList = &msg->variable_bindings;
 144
 145 long id = 0;
 146 asn_INTEGER2long(&getRequest->request_id, &id);
 147 asn_long2INTEGER(&msg->request_id, id);
 148 asn_long2INTEGER(&msg->error_status, 0);
 149 asn_long2INTEGER(&msg->error_index, 0);
 150
 151 const VarBindList_t * vbl = &getRequest->variable_bindings;
 152 for (int i = 0; i < vbl->list.count; ++i)
 153     {
 154     VarBind_t * vb = getRequest->variable_bindings.list.array[i];
 155     Sensors::iterator it;
 156     it = sensors.upper_bound(OID(&vb->name));
 157     if (it == sensors.end())
 158         {
 159 #ifdef SMUX_DEBUG
 160         printfd(__FILE__, "SMUX::GetNextRequestHandler() - '%s' not found\n", OID(&vb->name).ToString().c_str());
 161 #endif
 162         return SendGetResponseErrorPDU(sock, getRequest,
 163                                        PDU__error_status_noSuchName, i);
 164         }
 165
 166     VarBind_t * newVb = static_cast<VarBind_t *>(calloc(1, sizeof(VarBind_t)));
 167     assert(newVb && "Enought mempry to allocate VarBind_t");
 168
 169     it->first.ToOID(&newVb->name);
 170     it->second->GetValue(&newVb->value);
 171
 172     ASN_SEQUENCE_ADD(varBindList, newVb);
 173     }
 174
 175 bool res = SendGetResponsePDU(sock, msg);
 176 #ifdef SMUX_DEBUG
 177 asn_fprint(stderr, &asn_DEF_PDU, msg);
 178 #endif
 179 ASN_STRUCT_FREE(asn_DEF_GetResponse_PDU, msg);
 180 return res;
 181 }
 182
 183 bool SMUX::SetRequestHandler(const PDUs_t * pdus)
 184 {
 185 #ifdef SMUX_DEBUG
 186 printfd(__FILE__, "SMUX::SetRequestHandler()\n");
 187 asn_fprint(stderr, &asn_DEF_PDUs, pdus);
 188 #endif
 189 return SendGetResponseErrorPDU(sock, &pdus->choice.set_request,
 190                                PDU__error_status_readOnly, 0);
 191 }