simulators/e2sim/src/ASN1/lib/asn_x2ap_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_X2AP_PDU_WRAPPER_HPP
  20 #define ASN_X2AP_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 #include <X2AP-Constants.hpp>
  28 #include <X2AP-Containers.hpp>
  29 #include <X2AP-IEs.hpp>
  30 #include <X2AP-PDU-Contents.hpp>
  31 #include <X2AP-PDU-Descriptions.hpp>
  32
  33 #define X2AP_PDU_DEFAULT_BUFFER_SIZE 4096
  34
  35 //Credit: copied from E2-Manager
  36 struct X2APpduWrapper
  37 {
  38     unsigned char* m_allocation_buffer;
  39     size_t m_allocation_buffer_size;
  40
  41     X2APpduWrapper(size_t allocation_buffer_size = X2AP_PDU_DEFAULT_BUFFER_SIZE)
  42     {
  43         m_allocation_buffer_size = allocation_buffer_size;
  44         m_allocation_buffer = 0;
  45         if (allocation_buffer_size) {
  46             m_allocation_buffer =
  47               new (std::nothrow) unsigned char[allocation_buffer_size];
  48             m_allocator.reset(
  49               m_allocation_buffer,
  50               m_allocation_buffer_size); // initialized correctly on
  51                                          // allocation failure.
  52         }
  53     }
  54
  55     ~X2APpduWrapper()
  56     {
  57         if (m_allocation_buffer)
  58             delete[] m_allocation_buffer;
  59     }
  60
  61     asn::allocator& ref_allocator() { return m_allocator; }
  62
  63     X2AP_PDU& ref_pdu() { return m_pdu; }
  64
  65     // reset pdu and allocation buffer. Allows reusing.
  66     void clear()
  67     {
  68         m_pdu.clear();
  69         m_allocator.reset(m_allocation_buffer, m_allocation_buffer_size);
  70     }
  71
  72   private:
  73     X2AP_PDU m_pdu;
  74     asn::allocator m_allocator;
  75 };
  76
  77
  78 #endif