async-rdma 0.5.0

A rust async wrapper for RDMA ibvers lib
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219

use async_rdma::*;
use std::alloc::Layout;
use std::time::Duration;
mod test_utilities;
use std::io;
use test_utilities::test_server_client;

const LEN: usize = 4096;

mod local_mr_slice {
    use super::*;
    async fn server(rdma: Rdma) -> io::Result<()> {
        let mut lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
        assert_eq!(lmr.length(), LEN);
        let s1 = lmr.get(0..LEN).unwrap();
        let s2_offset = 2048;
        let s2 = lmr.get(s2_offset..LEN).unwrap();
        let s3_start = 1000;
        let s3_end = 4000;
        let s3 = lmr.get(s3_start..s3_end).unwrap();
        let s4_pos = 1234;
        let s4 = lmr.get(s4_pos..s4_pos + 1).unwrap();
        let hello = "hello";
        assert_eq!(s1.length(), LEN);
        assert_eq!(s1.addr(), lmr.addr());
        assert_eq!(s2.length(), LEN - s2_offset);
        assert_eq!(s2.addr(), lmr.addr() + s2_offset);
        assert_eq!(s3.length(), s3_end - s3_start);
        assert_eq!(s3.addr(), lmr.addr() + s3_start);
        assert_eq!(s4.length(), 1);
        assert_eq!(s4.addr(), lmr.addr() + s4_pos);
        let mut s5 = lmr.get_mut(0..hello.len()).unwrap();
        s5.as_mut_slice().copy_from_slice(hello.as_bytes());
        assert_eq!(*s5.as_slice(), b"hello");
        Ok(())
    }

    async fn client(_rdma: Rdma) -> io::Result<()> {
        Ok(())
    }

    #[test]
    fn main() {
        test_server_client(server, client);
    }
}

mod local_mr_slice_overbound {
    use super::*;
    mod test1 {
        use super::*;
        async fn server(rdma: Rdma) -> io::Result<()> {
            let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
            assert_eq!(lmr.length(), LEN);
            #[allow(clippy::reversed_empty_ranges)]
            let _s1 = lmr.get(2..0).unwrap();
            Ok(())
        }

        async fn client(_rdma: Rdma) -> io::Result<()> {
            Ok(())
        }

        #[test]
        #[should_panic]
        fn main() {
            test_server_client(server, client);
        }
    }

    mod test2 {
        use super::*;
        async fn server(rdma: Rdma) -> io::Result<()> {
            let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
            assert_eq!(lmr.length(), LEN);
            let _s1 = lmr.get(0..0).unwrap();
            Ok(())
        }

        async fn client(_rdma: Rdma) -> io::Result<()> {
            Ok(())
        }
        #[test]
        #[should_panic]
        fn main() {
            test_server_client(server, client);
        }
    }

    mod test3 {
        use super::*;
        async fn server(rdma: Rdma) -> io::Result<()> {
            let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
            assert_eq!(lmr.length(), LEN);
            let _s1 = lmr.get(0..LEN + 1).unwrap();
            Ok(())
        }

        async fn client(_rdma: Rdma) -> io::Result<()> {
            Ok(())
        }

        #[test]
        #[should_panic]
        fn main() {
            test_server_client(server, client);
        }
    }
}

mod remote_mr_slice {
    use super::*;
    async fn server(rdma: Rdma) -> io::Result<()> {
        let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
        rdma.send_local_mr(lmr).await
    }

    async fn client(rdma: Rdma) -> io::Result<()> {
        let rmr = rdma.receive_remote_mr().await.unwrap();
        assert_eq!(rmr.length(), LEN);
        let s1 = rmr.get(0..LEN).unwrap();
        let s2_offset = 2048;
        let s2 = rmr.get(s2_offset..LEN).unwrap();
        let s3_start = 1000;
        let s3_end = 4000;
        let s3 = rmr.get(s3_start..s3_end).unwrap();
        let s4_pos = 1234;
        let s4 = rmr.get(s4_pos..s4_pos + 1).unwrap();
        assert_eq!(s1.length(), LEN);
        assert_eq!(s1.addr(), rmr.addr());
        assert_eq!(s2.length(), LEN - s2_offset);
        assert_eq!(s2.addr(), rmr.addr() + s2_offset);
        assert_eq!(s3.length(), s3_end - s3_start);
        assert_eq!(s3.addr(), rmr.addr() + s3_start);
        assert_eq!(s4.length(), 1);
        assert_eq!(s4.addr(), rmr.addr() + s4_pos);
        // wait for the agent thread to send all reponses to the remote.
        tokio::time::sleep(Duration::from_secs(1)).await;
        Ok(())
    }
    #[test]
    fn main() {
        test_server_client(server, client);
    }
}

mod remote_mr_slice_overbound {
    use super::*;
    mod test1 {

        use super::*;
        async fn server(rdma: Rdma) -> io::Result<()> {
            let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
            rdma.send_local_mr(lmr).await
        }

        async fn client(rdma: Rdma) -> io::Result<()> {
            let rmr = rdma.receive_remote_mr().await.unwrap();
            // wait for the agent thread to send all reponses to the remote.
            tokio::time::sleep(Duration::from_secs(1)).await;
            assert_eq!(rmr.length(), LEN);
            #[allow(clippy::reversed_empty_ranges)]
            let _s1 = rmr.get(2..0).unwrap();
            Ok(())
        }

        #[test]
        #[should_panic]
        fn main() {
            test_server_client(server, client);
        }
    }

    mod test2 {
        use super::*;
        async fn server(rdma: Rdma) -> io::Result<()> {
            let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
            rdma.send_local_mr(lmr).await
        }

        async fn client(rdma: Rdma) -> io::Result<()> {
            let rmr = rdma.receive_remote_mr().await.unwrap();
            // wait for the agent thread to send all reponses to the remote.
            tokio::time::sleep(Duration::from_secs(1)).await;
            assert_eq!(rmr.length(), LEN);
            let _s1 = rmr.get(0..0).unwrap();
            Ok(())
        }

        #[test]
        #[should_panic]
        fn main() {
            test_server_client(server, client);
        }
    }

    mod test3 {
        use super::*;
        async fn server(rdma: Rdma) -> io::Result<()> {
            let lmr = rdma.alloc_local_mr(Layout::new::<[u8; LEN]>()).unwrap();
            rdma.send_local_mr(lmr).await
        }

        async fn client(rdma: Rdma) -> io::Result<()> {
            let rmr = rdma.receive_remote_mr().await.unwrap();
            // wait for the agent thread to send all reponses to the remote.
            tokio::time::sleep(Duration::from_secs(1)).await;
            assert_eq!(rmr.length(), LEN);
            let _s1 = rmr.get(0..LEN + 1).unwrap();
            Ok(())
        }

        #[should_panic]
        #[test]
        fn main() {
            test_server_client(server, client);
        }
    }
}