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refactor(dialer): it should close idle connections (#457)

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Like we did before for the resolver, a dialer should propagate the
request to close idle connections to underlying types.

See https://github.com/ooni/probe/issues/1591
This commit is contained in:
Simone Basso
2021-09-05 19:55:28 +02:00
committed by GitHub
parent a3a27b1ebf
commit 7a9499fee3
17 changed files with 207 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/engine/netx/dialer/dialer.go
+5 -2
View File
@@ -72,7 +72,10 @@ func New(config *Config, resolver Resolver) Dialer {
var d Dialer = netxlite.DefaultDialer
d = &errorsx.ErrorWrapperDialer{Dialer: d}
if config.Logger != nil {
d = &netxlite.DialerLogger{Dialer: d, Logger: config.Logger}
d = &netxlite.DialerLogger{
Dialer: netxlite.NewDialerLegacyAdapter(d),
Logger: config.Logger,
}
}
if config.DialSaver != nil {
d = &saverDialer{Dialer: d, Saver: config.DialSaver}
@@ -82,7 +85,7 @@ func New(config *Config, resolver Resolver) Dialer {
}
d = &netxlite.DialerResolver{
Resolver: netxlite.NewResolverLegacyAdapter(resolver),
Dialer: d,
Dialer: netxlite.NewDialerLegacyAdapter(d),
}
d = &proxyDialer{ProxyURL: config.ProxyURL, Dialer: d}
if config.ContextByteCounting {
internal/engine/netx/dialer/dialer_test.go
+12 -4
View File
@@ -36,7 +36,11 @@ func TestNewCreatesTheExpectedChain(t *testing.T) {
if !ok {
t.Fatal("not a dnsDialer")
}
scd, ok := dnsd.Dialer.(*saverConnDialer)
dad, ok := dnsd.Dialer.(*netxlite.DialerLegacyAdapter)
if !ok {
t.Fatal("invalid type")
}
scd, ok := dad.DialerLegacy.(*saverConnDialer)
if !ok {
t.Fatal("not a saverConnDialer")
}
@@ -48,12 +52,16 @@ func TestNewCreatesTheExpectedChain(t *testing.T) {
if !ok {
t.Fatal("not a loggingDialer")
}
ewd, ok := ld.Dialer.(*errorsx.ErrorWrapperDialer)
dad, ok = ld.Dialer.(*netxlite.DialerLegacyAdapter)
if !ok {
t.Fatal("invalid type")
}
ewd, ok := dad.DialerLegacy.(*errorsx.ErrorWrapperDialer)
if !ok {
t.Fatal("not an errorWrappingDialer")
}
_, ok = ewd.Dialer.(*net.Dialer)
_, ok = ewd.Dialer.(*netxlite.DialerSystem)
if !ok {
t.Fatal("not a net.Dialer")
t.Fatal("not a DialerSystem")
}
}
internal/engine/netx/netx.go
+1 -1
View File
@@ -209,7 +209,7 @@ func NewTLSDialer(config Config) TLSDialer {
config.TLSConfig.InsecureSkipVerify = config.NoTLSVerify
return &netxlite.TLSDialer{
Config: config.TLSConfig,
Dialer: config.Dialer,
Dialer: netxlite.NewDialerLegacyAdapter(config.Dialer),
TLSHandshaker: h,
}
}
internal/engine/netx/netx_test.go
+12 -2
View File
@@ -1,8 +1,10 @@
package netx_test
import (
"context"
"crypto/tls"
"errors"
"net"
"net/http"
"strings"
"testing"
@@ -16,6 +18,7 @@ import (
"github.com/ooni/probe-cli/v3/internal/engine/netx/trace"
"github.com/ooni/probe-cli/v3/internal/errorsx"
"github.com/ooni/probe-cli/v3/internal/netxlite"
"github.com/ooni/probe-cli/v3/internal/netxlite/mocks"
)
func TestNewResolverVanilla(t *testing.T) {
@@ -486,8 +489,15 @@ func TestNewWithDialer(t *testing.T) {
func TestNewWithTLSDialer(t *testing.T) {
expected := errors.New("mocked error")
tlsDialer := &netxlite.TLSDialer{
Config: new(tls.Config),
Dialer: netx.FakeDialer{Err: expected},
Config: new(tls.Config),
Dialer: &mocks.Dialer{
MockDialContext: func(ctx context.Context, network string, address string) (net.Conn, error) {
return nil, expected
},
MockCloseIdleConnections: func() {
// nothing
},
},
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
}
txp := netx.NewHTTPTransport(netx.Config{
internal/engine/netx/tlsdialer/integration_test.go
+1 -2
View File
@@ -1,7 +1,6 @@
package tlsdialer_test
import (
"net"
"net/http"
"testing"
@@ -14,7 +13,7 @@ func TestTLSDialerSuccess(t *testing.T) {
t.Skip("skip test in short mode")
}
log.SetLevel(log.DebugLevel)
dialer := &netxlite.TLSDialer{Dialer: new(net.Dialer),
dialer := &netxlite.TLSDialer{Dialer: netxlite.DefaultDialer,
TLSHandshaker: &netxlite.TLSHandshakerLogger{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Logger: log.Log,
internal/engine/netx/tlsdialer/saver_test.go
+8 -6
View File
@@ -24,7 +24,9 @@ func TestSaverTLSHandshakerSuccessWithReadWrite(t *testing.T) {
saver := &trace.Saver{}
tlsdlr := &netxlite.TLSDialer{
Config: &tls.Config{NextProtos: nextprotos},
Dialer: dialer.New(&dialer.Config{ReadWriteSaver: saver}, &net.Resolver{}),
Dialer: netxlite.NewDialerLegacyAdapter(
dialer.New(&dialer.Config{ReadWriteSaver: saver}, &net.Resolver{}),
),
TLSHandshaker: tlsdialer.SaverTLSHandshaker{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Saver: saver,
@@ -117,7 +119,7 @@ func TestSaverTLSHandshakerSuccess(t *testing.T) {
saver := &trace.Saver{}
tlsdlr := &netxlite.TLSDialer{
Config: &tls.Config{NextProtos: nextprotos},
Dialer: new(net.Dialer),
Dialer: netxlite.DefaultDialer,
TLSHandshaker: tlsdialer.SaverTLSHandshaker{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Saver: saver,
@@ -182,7 +184,7 @@ func TestSaverTLSHandshakerHostnameError(t *testing.T) {
}
saver := &trace.Saver{}
tlsdlr := &netxlite.TLSDialer{
Dialer: new(net.Dialer),
Dialer: netxlite.DefaultDialer,
TLSHandshaker: tlsdialer.SaverTLSHandshaker{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Saver: saver,
@@ -215,7 +217,7 @@ func TestSaverTLSHandshakerInvalidCertError(t *testing.T) {
}
saver := &trace.Saver{}
tlsdlr := &netxlite.TLSDialer{
Dialer: new(net.Dialer),
Dialer: netxlite.DefaultDialer,
TLSHandshaker: tlsdialer.SaverTLSHandshaker{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Saver: saver,
@@ -248,7 +250,7 @@ func TestSaverTLSHandshakerAuthorityError(t *testing.T) {
}
saver := &trace.Saver{}
tlsdlr := &netxlite.TLSDialer{
Dialer: new(net.Dialer),
Dialer: netxlite.DefaultDialer,
TLSHandshaker: tlsdialer.SaverTLSHandshaker{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Saver: saver,
@@ -282,7 +284,7 @@ func TestSaverTLSHandshakerNoTLSVerify(t *testing.T) {
saver := &trace.Saver{}
tlsdlr := &netxlite.TLSDialer{
Config: &tls.Config{InsecureSkipVerify: true},
Dialer: new(net.Dialer),
Dialer: netxlite.DefaultDialer,
TLSHandshaker: tlsdialer.SaverTLSHandshaker{
TLSHandshaker: &netxlite.TLSHandshakerConfigurable{},
Saver: saver,