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December 11, 2015 12:29
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package main | |
import ( | |
"fmt" | |
"log" | |
"time" | |
"github.com/eikeon/tweet" | |
"github.com/stathat/go" | |
"launchpad.net/goamz/aws" | |
"launchpad.net/goamz/s3" | |
"launchpad.net/~prudhvikrishna/goamz/sqs" | |
) | |
func main() { | |
auth: | |
auth, err := aws.EnvAuth() | |
if err != nil { | |
log.Println("EnvAuth Failed:", err) | |
time.Sleep(time.Second) | |
goto auth | |
} | |
ss3 := s3.New(auth, aws.USEast) | |
ssqs := sqs.New(auth, aws.USEast) | |
merged := ss3.Bucket("twitter-merged") | |
mergedCount := ss3.Bucket("twitter-merged-count") | |
getQueue: | |
q, err := ssqs.GetQueue("twitter-count-q") | |
if err != nil { | |
log.Println("error getting queue:", err) | |
time.Sleep(10 * time.Second) | |
goto getQueue | |
} | |
for { | |
resp, err := q.ReceiveMessage([]string{"All"}, 1, 3600) | |
if err != nil { | |
log.Fatal(err) | |
} | |
if len(resp.Messages) == 0 { | |
break | |
} | |
for _, message := range resp.Messages { | |
name := message.Body + "tweet.gz" | |
getReader: | |
reader, err := tweet.GetReader(merged, name) | |
if err != nil { | |
log.Println("error getting reader:", err) | |
time.Sleep(100 * time.Millisecond) | |
goto getReader | |
} | |
count := int64(0) | |
for { | |
if item := reader.Read(); item != nil { | |
count++ | |
} else { | |
break | |
} | |
} | |
log.Println("name:", name, "count:", count) | |
retryCount: | |
err = mergedCount.Put(name, []byte(fmt.Sprintf("%d", count)), "text/string", s3.Private) | |
if err != nil { | |
log.Println("error putting count:", err) | |
time.Sleep(time.Second) | |
goto retryCount | |
} | |
if err := stathat.PostEZCount("merged count", "eikeon@eikeon.com", 1); err != nil { | |
log.Printf("error posting merged count: %v", err) | |
} | |
retryDeleteMessage: | |
_, err = q.DeleteMessage(message.ReceiptHandle) | |
if err != nil { | |
log.Println("error deleting message:", err) | |
time.Sleep(time.Second) | |
goto retryDeleteMessage | |
} | |
} | |
} | |
} |
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