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Write HTTP errors to log

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This commit is contained in:
Igor Chubin 2022-11-20 17:53:51 +01:00
parent d804310586
commit d4e96dbf3a
2 changed files with 26 additions and 6 deletions
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4
cmd/config.go
View file

@ -12,6 +12,9 @@ type Logging struct {
// AccessLog path.
AccessLog string
// ErrorsLog path.
ErrorsLog string
// Interval between access log flushes, in seconds.
Interval int
}
@ -38,6 +41,7 @@ type Server struct {
var Conf = Config{
Logging{
AccessLog: "/wttr.in/log/access.log",
ErrorsLog: "/wttr.in/log/errors.log",
Interval: 300,
},
Server{

28
cmd/srv.go
View file

@ -4,6 +4,7 @@ import (
"context"
"crypto/tls"
"fmt"
"io"
"log"
"net"
"net/http"
@ -16,6 +17,7 @@ const uplinkSrvAddr = "127.0.0.1:9002"
const uplinkTimeout = 30
const prefetchInterval = 300
const lruCacheSize = 12800
const logLineStart = "LOG_LINE_START "
// plainTextAgents contains signatures of the plain-text agents
var plainTextAgents = []string{
@ -72,19 +74,19 @@ func copyHeader(dst, src http.Header) {
}
}
func serveHTTP(mux *http.ServeMux, port int, errs chan<- error) {
func serveHTTP(mux *http.ServeMux, port int, logFile io.Writer, errs chan<- error) {
srv := &http.Server{
Addr: fmt.Sprintf(":%d", port),
ErrorLog: log.New(logFile, logLineStart, log.LstdFlags),
ReadTimeout: 5 * time.Second,
WriteTimeout: 10 * time.Second,
IdleTimeout: 1 * time.Second,
Handler: mux,
}
// srv.SetKeepAlivesEnabled(false)
errs <- srv.ListenAndServe()
}
func serveHTTPS(mux *http.ServeMux, port int, errs chan<- error) {
func serveHTTPS(mux *http.ServeMux, port int, logFile io.Writer, errs chan<- error) {
tlsConfig := &tls.Config{
// CipherSuites: []uint16{
// tls.TLS_CHACHA20_POLY1305_SHA256,
@ -95,13 +97,13 @@ func serveHTTPS(mux *http.ServeMux, port int, errs chan<- error) {
}
srv := &http.Server{
Addr: fmt.Sprintf(":%d", port),
ErrorLog: log.New(logFile, logLineStart, log.LstdFlags),
ReadTimeout: 5 * time.Second,
WriteTimeout: 20 * time.Second,
IdleTimeout: 1 * time.Second,
TLSConfig: tlsConfig,
Handler: mux,
}
// srv.SetKeepAlivesEnabled(false)
errs <- srv.ListenAndServeTLS(Conf.Server.TLSCertFile, Conf.Server.TLSKeyFile)
}
@ -120,7 +122,21 @@ func main() {
// numberOfServers started. If 0, exit.
numberOfServers int
errorsLog *LogSuppressor = NewLogSuppressor(
Conf.Logging.ErrorsLog,
[]string{
"error reading preface from client",
"TLS handshake error from",
},
logLineStart,
)
)
err := errorsLog.Open()
if err != nil {
log.Fatalln("errors log:", err)
}
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
if err := logger.Log(r); err != nil {
@ -136,11 +152,11 @@ func main() {
})
if Conf.Server.PortHTTP != 0 {
go serveHTTP(mux, Conf.Server.PortHTTP, errs)
go serveHTTP(mux, Conf.Server.PortHTTP, errorsLog, errs)
numberOfServers++
}
if Conf.Server.PortHTTPS != 0 {
go serveHTTPS(mux, Conf.Server.PortHTTPS, errs)
go serveHTTPS(mux, Conf.Server.PortHTTPS, errorsLog, errs)
numberOfServers++
}
if numberOfServers == 0 {