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Add verbosity switch to suppress diagnostic output

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This commit is contained in:
Shelikhoo 2022-02-02 11:35:12 +00:00
parent e828b06076
commit 00e8415d8e
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GPG key ID: C4D5E79D22B25316
2 changed files with 18 additions and 9 deletions
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9
proxy/lib/pt_event_logger.go
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@ -2,14 +2,16 @@ package snowflake_proxy
import (
"git.torproject.org/pluggable-transports/snowflake.git/v2/common/task"
"io"
"log"
"time"
"git.torproject.org/pluggable-transports/snowflake.git/v2/common/event"
)
func NewProxyEventLogger(logPeriod time.Duration) event.SnowflakeEventReceiver {
el := &logEventLogger{logPeriod: logPeriod}
func NewProxyEventLogger(logPeriod time.Duration, output io.Writer) event.SnowflakeEventReceiver {
logger := log.New(output, "", log.LstdFlags|log.LUTC)
el := &logEventLogger{logPeriod: logPeriod, logger: logger}
el.task = &task.Periodic{Interval: logPeriod, Execute: el.logTick}
el.task.Start()
return el
@ -21,6 +23,7 @@ type logEventLogger struct {
connectionCount int
logPeriod time.Duration
task *task.Periodic
logger *log.Logger
}
func (p *logEventLogger) OnNewSnowflakeEvent(e event.SnowflakeEvent) {
@ -36,7 +39,7 @@ func (p *logEventLogger) OnNewSnowflakeEvent(e event.SnowflakeEvent) {
func (p *logEventLogger) logTick() error {
inbound, inboundUnit := formatTraffic(p.inboundSum)
outbound, outboundUnit := formatTraffic(p.inboundSum)
log.Printf("In the last %v, there are %v connections. Traffic Relayed ↑ %v %v, ↓ %v %v.\n",
p.logger.Printf("In the last %v, there are %v connections. Traffic Relayed ↑ %v %v, ↓ %v %v.\n",
p.logPeriod.String(), p.connectionCount, inbound, inboundUnit, outbound, outboundUnit)
p.outboundSum = 0
p.inboundSum = 0

18
proxy/main.go
View file

@ -4,6 +4,7 @@ import (
"flag"
"git.torproject.org/pluggable-transports/snowflake.git/v2/common/event"
"io"
"io/ioutil"
"log"
"os"
"time"
@ -24,15 +25,12 @@ func main() {
"the time interval in second before NAT type is retested, 0s disables retest. Valid time units are \"s\", \"m\", \"h\". ")
SummaryInterval := flag.Duration("summary-interval", time.Hour,
"the time interval to output summary, 0s disables retest. Valid time units are \"s\", \"m\", \"h\". ")
verboseLogging := flag.Bool("verbose", false, "increase log verbosity")
flag.Parse()
periodicEventLogger := sf.NewProxyEventLogger(*SummaryInterval)
eventLogger := event.NewSnowflakeEventDispatcher()
eventLogger.AddSnowflakeEventListener(periodicEventLogger)
proxy := sf.SnowflakeProxy{
Capacity: uint(*capacity),
STUNURL: *stunURL,
@ -45,16 +43,21 @@ func main() {
}
var logOutput io.Writer = os.Stderr
var eventlogOutput io.Writer = os.Stderr
log.SetFlags(log.LstdFlags | log.LUTC)
log.SetFlags(log.LstdFlags | log.LUTC)
if !*verboseLogging {
logOutput = ioutil.Discard
}
if *logFilename != "" {
f, err := os.OpenFile(*logFilename, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0600)
if err != nil {
log.Fatal(err)
}
defer f.Close()
logOutput = io.MultiWriter(os.Stderr, f)
logOutput = io.MultiWriter(logOutput, f)
eventlogOutput = io.MultiWriter(eventlogOutput, f)
}
if *unsafeLogging {
log.SetOutput(logOutput)
@ -62,6 +65,9 @@ func main() {
log.SetOutput(&safelog.LogScrubber{Output: logOutput})
}
periodicEventLogger := sf.NewProxyEventLogger(*SummaryInterval, eventlogOutput)
eventLogger.AddSnowflakeEventListener(periodicEventLogger)
err := proxy.Start()
if err != nil {
log.Fatal(err)