src/libcharon/plugins/dhcp/dhcp_transaction.c

   1 /*
   2  * Copyright (C) 2010 Martin Willi
   3  * Copyright (C) 2010 revosec AG
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include "dhcp_transaction.h"
  17
  18 typedef struct private_dhcp_transaction_t private_dhcp_transaction_t;
  19
  20 /**
  21  * Private data of an dhcp_transaction_t object.
  22  */
  23 struct private_dhcp_transaction_t {
  24
  25         /**
  26          * Public dhcp_transaction_t interface.
  27          */
  28         dhcp_transaction_t public;
  29
  30         /**
  31          * DHCP transaction ID
  32          */
  33         u_int32_t id;
  34
  35         /**
  36          * Peer identity
  37          */
  38         identification_t *identity;
  39
  40         /**
  41          * received DHCP address
  42          */
  43         host_t *address;
  44 };
  45
  46 METHOD(dhcp_transaction_t, get_id, u_int32_t,
  47         private_dhcp_transaction_t *this)
  48 {
  49         return this->id;
  50 }
  51
  52 METHOD(dhcp_transaction_t, get_identity, identification_t*,
  53         private_dhcp_transaction_t *this)
  54 {
  55         return this->identity;
  56 }
  57
  58 METHOD(dhcp_transaction_t, set_address, void,
  59         private_dhcp_transaction_t *this, host_t *address)
  60 {
  61         DESTROY_IF(this->address);
  62         this->address = address;
  63 }
  64
  65 METHOD(dhcp_transaction_t, get_address, host_t*,
  66         private_dhcp_transaction_t *this)
  67 {
  68         return this->address;
  69 }
  70
  71 METHOD(dhcp_transaction_t, destroy, void,
  72         private_dhcp_transaction_t *this)
  73 {
  74         this->identity->destroy(this->identity);
  75         DESTROY_IF(this->address);
  76         free(this);
  77 }
  78
  79 /**
  80  * See header
  81  */
  82 dhcp_transaction_t *dhcp_transaction_create(u_int32_t id,
  83                                                                                         identification_t *identity)
  84 {
  85         private_dhcp_transaction_t *this;
  86
  87         INIT(this,
  88                 .public = {
  89                         .get_id = _get_id,
  90                         .get_identity = _get_identity,
  91                         .set_address = _set_address,
  92                         .get_address = _get_address,
  93                         .destroy = _destroy,
  94                 },
  95                 .id = id,
  96                 .identity = identity->clone(identity),
  97         );
  98
  99         return &this->public;
 100 }
 101