extcap/
iface.rs

1use pcap_file::DataLink;
2
3use crate::arg::IfArg;
4use crate::print_opt_value;
5
6/// Interface representation
7#[derive(Default)]
8pub struct IFace<'a> {
9    interface: String,
10    descr: Option<String>,
11    dlt: u32,
12    dltname: Option<String>,
13    dltdescr: Option<String>,
14    args: Vec<IfArg<'a>>,
15    debug: bool,
16}
17
18impl<'a> IFace<'a> {
19    /// Creates a new instance of `IFace` using a string name
20    pub fn new(interface: &str) -> Self {
21        Self {
22            interface: interface.to_owned(),
23            dlt: DataLink::USER0.into(), // DLT_USER0 default
24            ..Default::default()
25        }
26    }
27
28    /// Gets interface name
29    pub fn get_interface(&self) -> &str {
30        &self.interface
31    }
32
33    /// Sets the description
34    pub fn description(mut self, descr: &str) -> Self {
35        self.descr = Some(descr.to_owned());
36        self
37    }
38
39    /// Sets the DLT
40    pub fn dlt(mut self, dlt: u32) -> Self {
41        self.dlt = dlt;
42        self
43    }
44
45    /// Sets the DLT name
46    pub fn dltname(mut self, dltname: &str) -> Self {
47        self.dltname = Some(dltname.to_owned());
48        self
49    }
50
51    /// Sets the DLT description
52    pub fn dltdescription(mut self, dltdescr: &str) -> Self {
53        self.dltdescr = Some(dltdescr.to_owned());
54        self
55    }
56
57    /// Adds argument
58    pub fn add_arg(&mut self, mut arg: IfArg<'a>) {
59        arg.set_number(self.args.len());
60        self.args.push(arg);
61    }
62
63    pub(crate) fn get_args(&self) -> &[IfArg<'a>] {
64        &self.args
65    }
66
67    pub(crate) fn get_arg_idx(&self, arg: &str) -> Option<usize> {
68        self.args.iter().position(|x| x.get_name() == arg)
69    }
70
71    pub(crate) fn get_arg(&self, aidx: usize) -> &IfArg {
72        &self.args[aidx]
73    }
74
75    pub(crate) fn get_arg_mut(&mut self, aidx: usize) -> &mut IfArg<'a> {
76        &mut self.args[aidx]
77    }
78
79    pub(crate) fn has_reloadable_arg(&self) -> bool {
80        self.args.iter().any(IfArg::has_reload)
81    }
82
83    pub(crate) fn has_debug(&self) -> bool {
84        self.debug
85    }
86
87    /// Configures debug arguments `debug` and `debug-file`
88    pub fn config_debug(&mut self) {
89        if self.debug {
90            return;
91        }
92        self.debug = true;
93        self.add_arg(
94            IfArg::new_boolflag("debug")
95                .display("Run in debug mode")
96                .default(&"false")
97                .tooltip("Print debug messages")
98                .group("Debug"),
99        );
100        self.add_arg(
101            IfArg::new_string("debug-file")
102                .display("Use a file for debug")
103                .tooltip("Set a file where the debug messages are written")
104                .group("Debug"),
105        );
106    }
107
108    pub(crate) fn print_iface(&self) {
109        print!("interface {{value={}}}", self.interface);
110        print_opt_value("display", &self.descr);
111        println!();
112    }
113
114    pub(crate) fn print_dlt_list(&self) {
115        print!(
116            "dlt {{number={}}}{{name={}}}",
117            self.dlt,
118            self.dltname.as_ref().unwrap_or(&self.interface)
119        );
120        print_opt_value("display", &self.dltdescr);
121        println!();
122    }
123
124    pub(crate) fn print_arg_list(&self) {
125        self.args.iter().for_each(IfArg::print_arg);
126    }
127}
extcap/iface.rs

extcap/
iface.rs
