simulators/e2sim/src/ASN1/lib/asn_e2ap_wrapper.hpp

   1 /*****************************************************************************
   2 #                                                                            *
   3 # Copyright 2019 AT&T Intellectual Property                                  *
   4 # Copyright 2019 Nokia                                                       *
   5 #                                                                            *
   6 # Licensed under the Apache License, Version 2.0 (the "License");            *
   7 # you may not use this file except in compliance with the License.           *
   8 # You may obtain a copy of the License at                                    *
   9 #                                                                            *
  10 #      http://www.apache.org/licenses/LICENSE-2.0                            *
  11 #                                                                            *
  12 # Unless required by applicable law or agreed to in writing, software        *
  13 # distributed under the License is distributed on an "AS IS" BASIS,          *
  14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   *
  15 # See the License for the specific language governing permissions and        *
  16 # limitations under the License.                                             *
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  18 ******************************************************************************/
  19 #ifndef ASN_E2AP_PDU_WRAPPER_HPP
  20 #define ASN_E2AP_PDU_WRAPPER_HPP
  21
  22 #include <asn/per/codec.hpp>
  23 #include <asn/printer.hpp>
  24 #include <asn/utility.hpp>
  25
  26 // #include <X2AP-CommonDataTypes.hpp>
  27
  28 // #include <X2AP-Constants.hpp>
  29 // #include <X2AP-Containers.hpp>
  30 // #include <X2AP-IEs.hpp>
  31 // #include <X2AP-PDU-Contents.hpp>
  32 // #include <X2AP-PDU-Descriptions.hpp>
  33
  34 #include <E2AP-Constants.hpp>
  35 // #include <E2AP-Containers.hpp>
  36 #include <E2AP-IEs.hpp>
  37 #include <E2AP-PDU-Contents.hpp>
  38 #include <E2AP-PDU-Descriptions.hpp>
  39
  40 #define E2AP_PDU_DEFAULT_BUFFER_SIZE 4096
  41
  42 //Credit: copied from E2-Manager
  43 struct E2APpduWrapper
  44 {
  45     unsigned char* m_allocation_buffer;
  46     size_t m_allocation_buffer_size;
  47
  48     E2APpduWrapper(size_t allocation_buffer_size = E2AP_PDU_DEFAULT_BUFFER_SIZE)
  49     {
  50         m_allocation_buffer_size = allocation_buffer_size;
  51         m_allocation_buffer = 0;
  52         if (allocation_buffer_size) {
  53             m_allocation_buffer =
  54               new (std::nothrow) unsigned char[allocation_buffer_size];
  55             m_allocator.reset(
  56               m_allocation_buffer,
  57               m_allocation_buffer_size); // initialized correctly on
  58                                          // allocation failure.
  59         }
  60     }
  61
  62     ~E2APpduWrapper()
  63     {
  64         if (m_allocation_buffer)
  65             delete[] m_allocation_buffer;
  66     }
  67
  68     asn::allocator& ref_allocator() { return m_allocator; }
  69
  70     E2AP_PDU& ref_pdu() { return m_pdu; }
  71
  72     // reset pdu and allocation buffer. Allows reusing.
  73     void clear()
  74     {
  75         m_pdu.clear();
  76         m_allocator.reset(m_allocation_buffer, m_allocation_buffer_size);
  77     }
  78
  79   private:
  80     E2AP_PDU m_pdu;
  81     asn::allocator m_allocator;
  82 };
  83
  84
  85 #endif