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refactor(netx): merge archival, trace, and the savers (#772)

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This diff creates a new package under netx called tracex that
contains everything we need to perform measurements using events
tracing and postprocessing (which is the technique with which
we implement most network experiments).

The general idea here is to (1) create a unique package out of
all of these packages; (2) clean up the code a bit (improve tests,
docs, apply more recent code patterns); (3) move the resulting
code as a toplevel package inside of internal.

Once this is done, netx can be further refactored to avoid
subpackages and we can search for more code to salvage/refactor.

See https://github.com/ooni/probe/issues/2121
This commit is contained in:
Simone Basso 2022-05-31 21:53:01 +02:00 • committed by GitHub
commit bbcd2e2280
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53 changed files with 869 additions and 865 deletions
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36
internal/engine/netx/netx_test.go
View file

@ -12,10 +12,8 @@ import (
"github.com/apex/log"
"github.com/ooni/probe-cli/v3/internal/bytecounter"
"github.com/ooni/probe-cli/v3/internal/engine/netx"
"github.com/ooni/probe-cli/v3/internal/engine/netx/httptransport"
"github.com/ooni/probe-cli/v3/internal/engine/netx/resolver"
"github.com/ooni/probe-cli/v3/internal/engine/netx/tlsdialer"
"github.com/ooni/probe-cli/v3/internal/engine/netx/trace"
"github.com/ooni/probe-cli/v3/internal/engine/netx/tracex"
"github.com/ooni/probe-cli/v3/internal/model/mocks"
"github.com/ooni/probe-cli/v3/internal/netxlite"
)
@ -120,7 +118,7 @@ func TestNewResolverWithLogging(t *testing.T) {
}
func TestNewResolverWithSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
r := netx.NewResolver(netx.Config{
ResolveSaver: saver,
})
@ -128,7 +126,7 @@ func TestNewResolverWithSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
sr, ok := ir.Resolver.(resolver.SaverResolver)
sr, ok := ir.Resolver.(tracex.SaverResolver)
if !ok {
t.Fatal("not the resolver we expected")
}
@ -311,7 +309,7 @@ func TestNewTLSDialerWithLogging(t *testing.T) {
}
func TestNewTLSDialerWithSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
td := netx.NewTLSDialer(netx.Config{
TLSSaver: saver,
})
@ -334,7 +332,7 @@ func TestNewTLSDialerWithSaver(t *testing.T) {
if rtd.TLSHandshaker == nil {
t.Fatal("invalid TLSHandshaker")
}
sth, ok := rtd.TLSHandshaker.(tlsdialer.SaverTLSHandshaker)
sth, ok := rtd.TLSHandshaker.(tracex.SaverTLSHandshaker)
if !ok {
t.Fatal("not the TLSHandshaker we expected")
}
@ -502,25 +500,25 @@ func TestNewWithLogger(t *testing.T) {
}
func TestNewWithSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
txp := netx.NewHTTPTransport(netx.Config{
HTTPSaver: saver,
})
stxptxp, ok := txp.(httptransport.SaverTransactionHTTPTransport)
stxptxp, ok := txp.(tracex.SaverTransactionHTTPTransport)
if !ok {
t.Fatal("not the transport we expected")
}
if stxptxp.Saver != saver {
t.Fatal("not the logger we expected")
}
sbtxp, ok := stxptxp.HTTPTransport.(httptransport.SaverBodyHTTPTransport)
sbtxp, ok := stxptxp.HTTPTransport.(tracex.SaverBodyHTTPTransport)
if !ok {
t.Fatal("not the transport we expected")
}
if sbtxp.Saver != saver {
t.Fatal("not the logger we expected")
}
smtxp, ok := sbtxp.HTTPTransport.(httptransport.SaverMetadataHTTPTransport)
smtxp, ok := sbtxp.HTTPTransport.(tracex.SaverMetadataHTTPTransport)
if !ok {
t.Fatal("not the transport we expected")
}
@ -625,7 +623,7 @@ func TestNewDNSClientCloudflareDoH(t *testing.T) {
}
func TestNewDNSClientCloudflareDoHSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
dnsclient, err := netx.NewDNSClient(
netx.Config{ResolveSaver: saver}, "doh://cloudflare")
if err != nil {
@ -635,7 +633,7 @@ func TestNewDNSClientCloudflareDoHSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(resolver.SaverDNSTransport)
txp, ok := r.Transport().(tracex.SaverDNSTransport)
if !ok {
t.Fatal("not the transport we expected")
}
@ -662,7 +660,7 @@ func TestNewDNSClientUDP(t *testing.T) {
}
func TestNewDNSClientUDPDNSSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
dnsclient, err := netx.NewDNSClient(
netx.Config{ResolveSaver: saver}, "udp://8.8.8.8:53")
if err != nil {
@ -672,7 +670,7 @@ func TestNewDNSClientUDPDNSSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(resolver.SaverDNSTransport)
txp, ok := r.Transport().(tracex.SaverDNSTransport)
if !ok {
t.Fatal("not the transport we expected")
}
@ -703,7 +701,7 @@ func TestNewDNSClientTCP(t *testing.T) {
}
func TestNewDNSClientTCPDNSSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
dnsclient, err := netx.NewDNSClient(
netx.Config{ResolveSaver: saver}, "tcp://8.8.8.8:53")
if err != nil {
@ -713,7 +711,7 @@ func TestNewDNSClientTCPDNSSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(resolver.SaverDNSTransport)
txp, ok := r.Transport().(tracex.SaverDNSTransport)
if !ok {
t.Fatal("not the transport we expected")
}
@ -748,7 +746,7 @@ func TestNewDNSClientDoT(t *testing.T) {
}
func TestNewDNSClientDoTDNSSaver(t *testing.T) {
saver := new(trace.Saver)
saver := new(tracex.Saver)
dnsclient, err := netx.NewDNSClient(
netx.Config{ResolveSaver: saver}, "dot://8.8.8.8:53")
if err != nil {
@ -758,7 +756,7 @@ func TestNewDNSClientDoTDNSSaver(t *testing.T) {
if !ok {
t.Fatal("not the resolver we expected")
}
txp, ok := r.Transport().(resolver.SaverDNSTransport)
txp, ok := r.Transport().(tracex.SaverDNSTransport)
if !ok {
t.Fatal("not the transport we expected")
}