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sqs_main.go
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sqs_main.go
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package sqs_util
import (
. "aws/flags"
. "aws/util/common"
"aws"
"aws/sqs"
)
import (
"flag"
"fmt"
"http"
"io"
"os"
)
var flag_endpoint_url string
var flag_default_timeout int
var flag_pop_timeout int
var signer *aws.Signer
var s *sqs.Service
func DefaultSQSService() (id *aws.Signer, s *sqs.Service, err os.Error) {
id, err = DefaultSigner()
if err == nil {
url, err := http.ParseURL(flag_endpoint_url)
if err == nil {
s = sqs.NewService(url)
}
}
return
}
func init() {
AddModule("sqs", func() {
flag.StringVar(&flag_endpoint_url, "sqs-endpoint", "https://queue.amazonaws.com/", "Endpoint to use")
flag.IntVar(&flag_default_timeout, "sqs-queue-timeout", 90, "Queue timeout (create/delete)")
flag.IntVar(&flag_pop_timeout, "sqs-message-timeout", 90, "Queue timeout (pop/peek)")
})
Modules["sqs"].Setup = func() (err os.Error) {
signer, s, err = DefaultSQSService()
return
}
Modules["sqs"].Calls["create"] = func(args []string) (err os.Error) {
if len(args) != 1 {
return os.NewError("Usage: create QUEUE")
}
Q, err := s.CreateQueue(signer, args[0], flag_default_timeout)
if err == nil {
fmt.Printf("%s\n", Q.URL)
}
return
}
Modules["sqs"].Calls["list"] = func(args []string) (err os.Error) {
if len(args) != 0 {
return os.NewError("Usage: list")
}
qs, err := s.ListQueues(signer, "")
if err == nil {
for i := range qs {
fmt.Printf("%s\n", qs[i])
}
}
return
}
Modules["sqs"].Calls["drop"] = func(args []string) (err os.Error) {
if len(args) != 1 {
return os.NewError("Usage: drop queue")
}
Q, err := s.CreateQueue(signer, args[0], flag_default_timeout)
if err == nil {
err = Q.DeleteQueue(signer)
}
return
}
Modules["sqs"].Calls["push"] = func(args []string) (err os.Error) {
if len(args) != 1 {
return os.NewError("Usage: push queuename")
}
Q, err := s.CreateQueue(signer, args[0], flag_default_timeout)
if err == nil {
var n int
lr := io.LimitReader(os.Stdin, sqs.MAX_MESSAGE_SIZE)
buff := make([]byte, sqs.MAX_MESSAGE_SIZE)
n, err = io.ReadFull(lr, buff)
if err == nil || err == io.ErrUnexpectedEOF {
buff = buff[0:n]
err = Q.Push(signer, buff)
}
}
return
}
Modules["sqs"].Calls["rm"] = func(args []string) (err os.Error) {
if len(args) != 2 {
return os.NewError("Usage: rm queuename receipthandle")
}
Q, err := s.CreateQueue(signer, args[0], flag_default_timeout)
if err == nil {
err = Q.Delete(signer, args[1])
}
return
}
Modules["sqs"].Calls["peek"] = func(args []string) (err os.Error) {
if len(args) != 1 {
return os.NewError("Usage: peek queuename")
}
Q, err := s.CreateQueue(signer, args[0], flag_default_timeout)
var body []byte
var id string
if err == nil {
body, id, err = Q.Peek(signer, flag_pop_timeout)
}
if err == nil {
fmt.Printf("# MessageId %s\n", id)
os.Stdout.Write(body)
}
return
}
}
func Nil() {}