1 /*
2  * The olsr.org Optimized Link-State Routing daemon (olsrd)
3  *
4  * (c) by the OLSR project
5  *
6  * See our Git repository to find out who worked on this file
7  * and thus is a copyright holder on it.
8  *
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  *
15  * * Redistributions of source code must retain the above copyright
16  *   notice, this list of conditions and the following disclaimer.
17  * * Redistributions in binary form must reproduce the above copyright
18  *   notice, this list of conditions and the following disclaimer in
19  *   the documentation and/or other materials provided with the
20  *   distribution.
21  * * Neither the name of olsr.org, olsrd nor the names of its
22  *   contributors may be used to endorse or promote products derived
23  *   from this software without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
28  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
30  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
31  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
32  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  *
38  * Visit http://www.olsr.org for more information.
39  *
40  * If you find this software useful feel free to make a donation
41  * to the project. For more information see the website or contact
42  * the copyright holders.
43  *
44  */
45 
46  /*
47   * Example plugin for olsrd.org OLSR daemon
48   * Only the bare minimum
49   */
50 #include "mini_plugin.h"
51 
52 #include <stdio.h>
53 #include <string.h>
54 
55 #include "olsr.h"
56 #include "builddata.h"
57 #include "olsrd_plugin.h"
58 
59 #define PLUGIN_NAME              "OLSRD mini plugin"
60 #define PLUGIN_INTERFACE_VERSION 5
61 
62 /****************************************************************************
63  *                Functions that the plugin MUST provide                    *
64  ****************************************************************************/
65 
66 /**
67  * Plugin interface version
68  * Used by main olsrd to check plugin interface version
69  */
70 int
olsrd_plugin_interface_version(void)71 olsrd_plugin_interface_version(void)
72 {
73   return PLUGIN_INTERFACE_VERSION;
74 }
75 
76 static int
set_plugin_test(const char * value,void * data,set_plugin_parameter_addon addon)77 set_plugin_test(const char *value, void *data __attribute__ ((unused)), set_plugin_parameter_addon addon __attribute__ ((unused)))
78 {
79   printf("\n*** MINI: parameter test: %s\n", value);
80   return 0;
81 }
82 
83 /**
84  * Register parameters from config file
85  * Called for all plugin parameters
86  */
87 static const struct olsrd_plugin_parameters plugin_parameters[] = {
88   {.name = "test",.set_plugin_parameter = &set_plugin_test,.data = NULL},
89 };
90 
91 void
olsrd_get_plugin_parameters(const struct olsrd_plugin_parameters ** params,int * size)92 olsrd_get_plugin_parameters(const struct olsrd_plugin_parameters **params, int *size)
93 {
94   *params = plugin_parameters;
95   *size = sizeof(plugin_parameters) / sizeof(*plugin_parameters);
96 }
97 
98 /**
99  * Initialize plugin
100  * Called after all parameters are passed
101  */
102 int
olsrd_plugin_init(void)103 olsrd_plugin_init(void)
104 {
105   printf("*** MINI: plugin_init\n");
106 
107   /* call a function from main olsrd */
108   olsr_printf(2, "*** MINI: printed this with olsr_printf\n");
109 
110   return 1;
111 }
112 
113 /****************************************************************************
114  *       Optional private constructor and destructor functions              *
115  ****************************************************************************/
116 
117 /* attention: make static to avoid name clashes */
118 
119 static void my_init(void) __attribute__ ((constructor));
120 static void my_fini(void) __attribute__ ((destructor));
121 
122 /**
123  * Optional Private Constructor
124  */
125 static void
my_init(void)126 my_init(void)
127 {
128   /* Print plugin info to stdout */
129   olsr_printf(0, "%s (%s)\n", PLUGIN_NAME, git_descriptor);
130 
131   printf("*** MINI: constructor\n");
132 }
133 
134 /**
135  * Optional Private Destructor
136  */
137 static void
my_fini(void)138 my_fini(void)
139 {
140   printf("*** MINI: destructor\n");
141 }
142 
143 /*
144  * Local Variables:
145  * c-basic-offset: 2
146  * indent-tabs-mode: nil
147  * End:
148  */
149