This repository has been archived by the owner on Jul 24, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
aecommand.go
109 lines (87 loc) · 2.13 KB
/
aecommand.go
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
/*
Copyright 2012 Sergey Cherepanov (https://github.com/cheggaaa)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"flag"
"fmt"
"github.com/cheggaaa/Anteater/aerpc"
"github.com/cheggaaa/Anteater/aerpc/rpcclient"
"os"
"strings"
)
const USAGE = `
Usage:
aecommand [-s="server_addr"] command [arguments]
` + aerpc.SERVER_FLAG_FORMAT + `
Commands:
%s
`
var isPrintHelp = flag.Bool("h", false, "Show help")
var serverAddr = flag.String("s", "", "Server addr")
func main() {
flag.Parse()
aerpc.RegisterCommands()
if *isPrintHelp {
printHelp()
return
}
command, args := parseArgs()
if command == "" {
fmt.Println("Command not specified")
return
}
cmd, ok := aerpc.Commands[command]
if !ok {
fmt.Printf("Call to undefined command: %s\n", command)
return
}
addr := aerpc.NormalizeAddr(*serverAddr)
client, err := rpcclient.NewClient(addr)
if err != nil {
fmt.Printf("Can't connect to %s:\n%v\n", addr, err)
return
}
defer client.Close()
if args != nil && len(args) > 0 {
err = cmd.SetArgs(args)
if err != nil {
fmt.Printf("Invalid args format: %v\n", err)
return
}
}
err = cmd.Execute(client)
if err != nil {
fmt.Printf("Server return error:\n%v\n", err)
} else {
cmd.Print()
}
}
func parseArgs() (command string, args []string) {
s := flag.NFlag() + 1
if len(os.Args)-s >= 1 {
command = os.Args[s]
s++
}
if len(os.Args)-s >= 1 {
args = os.Args[s:]
}
command = strings.ToUpper(command)
return
}
func printHelp() {
var commandsHelp = ""
for name, cmd := range aerpc.Commands {
commandsHelp += fmt.Sprintf("\n%s\n%s\n", name, cmd.Help())
}
fmt.Printf(USAGE, commandsHelp)
}