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
|
package clients
import (
"dtail/clients/handlers"
"dtail/clients/remote"
"dtail/ssh/client"
"errors"
"fmt"
"strings"
gossh "golang.org/x/crypto/ssh"
)
// CatClient is a client for returning a whole file from the beginning to the end.
type CatClient struct {
baseClient
}
// NewCatClient returns a new cat client.
func NewCatClient(args Args) (*CatClient, error) {
if args.Regex != "" {
return nil, errors.New("Can't use regex with 'cat' operating mode")
}
args.Regex = "."
c := CatClient{
baseClient: baseClient{
Args: args,
stop: make(chan struct{}),
stopped: make(chan struct{}),
throttleCh: make(chan struct{}, args.MaxInitConnections),
retry: false,
},
}
c.init(c)
return &c, nil
}
func (c CatClient) makeConnection(server string, sshAuthMethods []gossh.AuthMethod, hostKeyCallback *client.HostKeyCallback) *remote.Connection {
conn := remote.NewConnection(server, c.UserName, sshAuthMethods, hostKeyCallback)
conn.Handler = handlers.NewClientHandler(server, c.PingTimeout)
for _, file := range strings.Split(c.Files, ",") {
conn.Commands = append(conn.Commands, fmt.Sprintf("%s %s regex %s", c.Mode.String(), file, c.Regex))
}
return conn
}
|
