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Pull request: 2846 cover aghnet vol.3

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Merge in DNS/adguard-home from 2846-cover-aghnet-vol.3 to master

Updates #2846.

Squashed commit of the following:

commit cb22987c43c17bbc8d098e65639cc84e2284bc7b
Merge: cf995e9d f31ffcc5
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Mar 30 15:01:10 2022 +0300

    Merge branch 'master' into 2846-cover-aghnet-vol.3

commit cf995e9dce635f16e10406a61e2ab12f06407f1f
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Mar 28 18:29:50 2022 +0300

    aghnet: imp tests

commit bc225fe8800633b29216840bc7d5b82d7c2d2bfb
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Mar 28 18:03:06 2022 +0300

    aghnet: imp tests

commit a82eb6045495b94a2e81ced9a3ef5bfe65788e56
Merge: f8081249 0d562a7b
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Mar 28 17:39:13 2022 +0300

    Merge branch 'master' into 2846-cover-aghnet-vol.3

commit f80812490c49f69655d409c6f015b069affa2f19
Merge: edccaa79 3603b1fc
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Mar 28 17:29:20 2022 +0300

    Merge branch 'master' into 2846-cover-aghnet-vol.3

commit edccaa79fca061ffeea1985c293eed123b16a09c
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Mar 28 13:53:40 2022 +0300

    aghnet: imp tests

commit 7c5028c92f0a6680516bda67c73e794182c9b825
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 25 18:01:28 2022 +0300

    aghnet: imp code & docs

commit 7897c6b13e9be340ae8a71947a8a0bab82c682eb
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Mar 25 17:11:46 2022 +0300

    aghnet: imp coverage

commit 1eef110af3bf721a0275c695bf27c31815abff04
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Mar 23 21:10:29 2022 +0300

    all: return byte slice
This commit is contained in:
Eugene Burkov
2022-03-30 15:11:57 +03:00
parent f31ffcc5d1
commit 5e71f5df6a
21 changed files with 789 additions and 391 deletions
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30
internal/aghnet/arpdb_linux.go
View File

@@ -6,7 +6,6 @@ package aghnet
import (
"bufio"
"fmt"
"io"
"io/fs"
"net"
"strings"
@@ -34,11 +33,25 @@ func newARPDB() (arp *arpdbs) {
return newARPDBs(
// Try /proc/net/arp first.
&fsysARPDB{ns: ns, fsys: aghos.RootDirFS(), filename: "proc/net/arp"},
// Try "arp -a" then.
&cmdARPDB{parse: parseF, runcmd: rcArpA, ns: ns},
// Try "ip neigh" finally.
&cmdARPDB{parse: parseIPNeigh, runcmd: rcIPNeigh, ns: ns},
&fsysARPDB{
ns: ns,
fsys: rootDirFS,
filename: "proc/net/arp",
},
// Then, try "arp -a".
&cmdARPDB{
parse: parseF,
ns: ns,
cmd: "arp",
args: []string{"-a"},
},
// Finally, try "ip neigh".
&cmdARPDB{
parse: parseIPNeigh,
ns: ns,
cmd: "ip",
args: []string{"neigh"},
},
)
}
@@ -187,11 +200,6 @@ func parseArpA(sc *bufio.Scanner, lenHint int) (ns []Neighbor) {
return ns
}
// rcIPNeigh runs "ip neigh".
func rcIPNeigh() (r io.Reader, err error) {
return runCmd("ip", "neigh")
}
// parseIPNeigh parses the output of the "ip neigh" command on Linux. The
// expected input format:
//