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September 24, 2021 15:26
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NFT Benchmarking
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package main | |
import ( | |
"fmt" | |
"net" | |
"os" | |
) | |
func connect() { | |
c, err := net.Dial("tcp4", fmt.Sprintf("%s:4444", os.Args[1])) | |
if err != nil { | |
panic(err) | |
} | |
defer c.Close() | |
b := make([]byte, 4096) | |
c.Read(b) | |
} | |
func main() { | |
for { | |
connect() | |
} | |
} |
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package main | |
import ( | |
"fmt" | |
"net" | |
"os" | |
"os/signal" | |
"strconv" | |
"syscall" | |
"time" | |
) | |
var startTime time.Time | |
var counter int | |
var timeout int = 30 | |
func finish() { | |
endTime := time.Since(startTime) | |
fmt.Printf("\n%d connections in %d ticks %.02f/sec\n", counter, endTime.Milliseconds(), float64(counter*1000)/float64(endTime.Milliseconds())) | |
os.Exit(0) | |
} | |
func main() { | |
if len(os.Args) > 1 { | |
var err error | |
timeout, err = strconv.Atoi(os.Args[1]) | |
if err != nil { | |
panic(err) | |
} | |
fmt.Printf("Using timeout of %d seconds\n", timeout) | |
} | |
l, err := net.Listen("tcp4", ":4444") | |
if err != nil { | |
panic(err) | |
} | |
defer l.Close() | |
// Setup signal handling to clean up at exit by signal | |
signalChan := make(chan os.Signal, 1) | |
signal.Notify(signalChan, syscall.SIGTERM, syscall.SIGINT) | |
go func() { | |
<-signalChan | |
finish() | |
}() | |
for { | |
c, err := l.Accept() | |
if err != nil { | |
panic(err) | |
} | |
go func() { | |
if counter == 0 { | |
startTime = time.Now() | |
fmt.Printf("Started at %s\n", startTime) | |
time.AfterFunc(time.Duration(timeout)*time.Second, finish) | |
} | |
counter += 1 | |
c.Write([]byte("Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! Hello World! ")) | |
c.Close() | |
}() | |
} | |
} |
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