rtnetlink 0.21.0

manipulate linux networking resources via netlink
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192

// SPDX-License-Identifier: MIT

use futures_util::{
    future::{self, Either},
    stream::{Stream, StreamExt},
    FutureExt,
};
use netlink_packet_core::{NetlinkMessage, NLM_F_DUMP, NLM_F_REQUEST};
use netlink_packet_route::{
    tc::{TcHandle, TcMessage},
    RouteNetlinkMessage,
};

use crate::{try_rtnl, Error, Handle};

#[derive(Debug, Clone)]
pub struct QDiscGetRequest {
    handle: Handle,
    message: TcMessage,
}

impl QDiscGetRequest {
    pub(crate) fn new(handle: Handle) -> Self {
        QDiscGetRequest {
            handle,
            message: TcMessage::default(),
        }
    }

    /// Execute the request
    pub fn execute(self) -> impl Stream<Item = Result<TcMessage, Error>> {
        let QDiscGetRequest {
            mut handle,
            message,
        } = self;

        let mut req = NetlinkMessage::from(
            RouteNetlinkMessage::GetQueueDiscipline(message),
        );
        req.header.flags = NLM_F_REQUEST | NLM_F_DUMP;

        match handle.request(req) {
            Ok(response) => Either::Left(response.map(move |msg| {
                Ok(try_rtnl!(msg, RouteNetlinkMessage::NewQueueDiscipline))
            })),
            Err(e) => {
                Either::Right(future::err::<TcMessage, Error>(e).into_stream())
            }
        }
    }

    pub fn index(mut self, index: i32) -> Self {
        self.message.header.index = index;
        self
    }

    /// Get ingress qdisc
    pub fn ingress(mut self) -> Self {
        self.message.header.parent = TcHandle::INGRESS;
        self
    }
}

#[derive(Debug, Clone)]
pub struct TrafficClassGetRequest {
    handle: Handle,
    message: TcMessage,
}

impl TrafficClassGetRequest {
    pub(crate) fn new(handle: Handle, ifindex: i32) -> Self {
        let mut message = TcMessage::default();
        message.header.index = ifindex;
        TrafficClassGetRequest { handle, message }
    }

    /// Execute the request
    pub fn execute(self) -> impl Stream<Item = Result<TcMessage, Error>> {
        let TrafficClassGetRequest {
            mut handle,
            message,
        } = self;

        let mut req =
            NetlinkMessage::from(RouteNetlinkMessage::GetTrafficClass(message));
        req.header.flags = NLM_F_REQUEST | NLM_F_DUMP;

        match handle.request(req) {
            Ok(response) => Either::Left(response.map(move |msg| {
                Ok(try_rtnl!(msg, RouteNetlinkMessage::NewTrafficClass))
            })),
            Err(e) => {
                Either::Right(future::err::<TcMessage, Error>(e).into_stream())
            }
        }
    }
}

#[derive(Debug, Clone)]
pub struct TrafficFilterGetRequest {
    handle: Handle,
    message: TcMessage,
}

impl TrafficFilterGetRequest {
    pub(crate) fn new(handle: Handle, ifindex: i32) -> Self {
        let mut message = TcMessage::default();
        message.header.index = ifindex;
        TrafficFilterGetRequest { handle, message }
    }

    /// Execute the request
    pub fn execute(self) -> impl Stream<Item = Result<TcMessage, Error>> {
        let TrafficFilterGetRequest {
            mut handle,
            message,
        } = self;

        let mut req = NetlinkMessage::from(
            RouteNetlinkMessage::GetTrafficFilter(message),
        );
        req.header.flags = NLM_F_REQUEST | NLM_F_DUMP;

        match handle.request(req) {
            Ok(response) => Either::Left(response.map(move |msg| {
                Ok(try_rtnl!(msg, RouteNetlinkMessage::NewTrafficFilter))
            })),
            Err(e) => {
                Either::Right(future::err::<TcMessage, Error>(e).into_stream())
            }
        }
    }

    /// Set parent to root.
    pub fn root(mut self) -> Self {
        self.message.header.parent = TcHandle::ROOT;
        self
    }

    /// Set parent to ingress.
    pub fn ingress(mut self) -> Self {
        self.message.header.parent = TcHandle {
            major: 0xffff,
            minor: TcHandle::MIN_INGRESS,
        };
        self
    }

    /// Set parent to egress.
    pub fn egress(mut self) -> Self {
        self.message.header.parent = TcHandle {
            major: 0xffff,
            minor: TcHandle::MIN_EGRESS,
        };
        self
    }
}

#[derive(Debug, Clone)]
pub struct TrafficChainGetRequest {
    handle: Handle,
    message: TcMessage,
}

impl TrafficChainGetRequest {
    pub(crate) fn new(handle: Handle, ifindex: i32) -> Self {
        let mut message = TcMessage::default();
        message.header.index = ifindex;
        TrafficChainGetRequest { handle, message }
    }

    /// Execute the request
    pub fn execute(self) -> impl Stream<Item = Result<TcMessage, Error>> {
        let TrafficChainGetRequest {
            mut handle,
            message,
        } = self;

        let mut req =
            NetlinkMessage::from(RouteNetlinkMessage::GetTrafficChain(message));
        req.header.flags = NLM_F_REQUEST | NLM_F_DUMP;

        match handle.request(req) {
            Ok(response) => Either::Left(response.map(move |msg| {
                Ok(try_rtnl!(msg, RouteNetlinkMessage::NewTrafficChain))
            })),
            Err(e) => {
                Either::Right(future::err::<TcMessage, Error>(e).into_stream())
            }
        }
    }
}