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
|
package clients
import (
"errors"
"fmt"
"runtime"
"strings"
"github.com/mimecast/dtail/internal/clients/handlers"
"github.com/mimecast/dtail/internal/omode"
)
// 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.RegexStr != "" {
return nil, errors.New("Can't use regex with 'cat' operating mode")
}
args.Mode = omode.CatClient
c := CatClient{
baseClient: baseClient{
Args: args,
throttleCh: make(chan struct{}, args.ConnectionsPerCPU*runtime.NumCPU()),
retry: false,
},
}
c.init()
c.makeConnections(c)
return &c, nil
}
func (c CatClient) makeHandler(server string) handlers.Handler {
return handlers.NewClientHandler(server)
}
func (c CatClient) makeCommands(options map[string]string) (commands []string) {
optionsStr := c.commandOptionsToString(options)
for _, file := range strings.Split(c.What, ",") {
commands = append(commands, fmt.Sprintf("%s:%s %s %s", c.Mode.String(), optionsStr, file, c.Regex.Serialize()))
}
return
}
|
