feat(v2): allow override of dial func

go.mod

@@ -3,7 +3,7 @@ module forge.cadoles.com/cadoles/go-emlid
 go 1.22.5
 
 require (
-	forge.cadoles.com/Pyxis/golang-socketio v0.0.0-20180919100209-bb857ced6b95
+	forge.cadoles.com/Pyxis/golang-socketio v0.0.0-20240805155359-f54949ba3a46
 	github.com/Masterminds/semver/v3 v3.2.1
 	github.com/davecgh/go-spew v1.1.1
 	github.com/grandcat/zeroconf v1.0.0

go.sum

@@ -1,5 +1,7 @@
 forge.cadoles.com/Pyxis/golang-socketio v0.0.0-20180919100209-bb857ced6b95 h1:o3G5+9RjczCK1xAYFaRMknk1kY9Ule6PNfiW6N6hEpg=
 forge.cadoles.com/Pyxis/golang-socketio v0.0.0-20180919100209-bb857ced6b95/go.mod h1:I6kYOFWNkFlNeQLI7ZqfTRz4NdPHZxX0Bzizmzgchs0=
+forge.cadoles.com/Pyxis/golang-socketio v0.0.0-20240805155359-f54949ba3a46 h1:vLTYHA4+pYeI9mZvCMrc29AmnNjeGEpEG1mTwtCOoDI=
+forge.cadoles.com/Pyxis/golang-socketio v0.0.0-20240805155359-f54949ba3a46/go.mod h1:bT+HWia42VRX1TzTUlEM645tPJEOtsEdzlKBiEqVchY=
 github.com/Masterminds/semver/v3 v3.2.1 h1:RN9w6+7QoMeJVGyfmbcgs28Br8cvmnucEXnY0rYXWg0=
 github.com/Masterminds/semver/v3 v3.2.1/go.mod h1:qvl/7zhW3nngYb5+80sSMF+FG2BjYrf8m9wsX0PNOMQ=
 github.com/cenkalti/backoff v2.2.1+incompatible h1:tNowT99t7UNflLxfYYSlKYsBpXdEet03Pg2g16Swow4=

reach/client/protocol/protocol.go

@@ -3,12 +3,15 @@ package protocol
 import (
 	"context"
 	"log/slog"
+	"net"
 
 	"forge.cadoles.com/cadoles/go-emlid/reach/client/logger"
 )
 
 type Identifier string
 
+type DialFunc func(network string, addr string) (net.Conn, error)
+
 type Protocol interface {
 	Identifier() Identifier
 	Available(ctx context.Context, addr string) (bool, error)
@@ -17,6 +20,7 @@ type Protocol interface {
 
 type ProtocolOptions struct {
 	Logger logger.Logger
+	Dial   DialFunc
 }
 
 type ProtocolFactory func(opts *ProtocolOptions) (Protocol, error)

reach/client/protocol/v1/operations.go

@@ -49,7 +49,7 @@ func (o *Operations) Connect(ctx context.Context) error {
 		o.client.Close()
 	}
 
-	endpoint, err := socketio.EndpointFromHAddr(o.addr)
+	endpoint, err := socketio.EndpointFromAddr(o.addr)
 	if err != nil {
 		return errors.WithStack(err)
 	}

reach/client/protocol/v2/internal.go

@@ -20,7 +20,9 @@ func (o *Operations) GetJSON(path string, dst any) error {
 	var res *http.Response
 
 	url := o.getURL(path)
-	res, err := http.Get(url)
+	client := o.getHTTPClient()
+
+	res, err := client.Get(url)
 	if err != nil {
 		return errors.WithStack(err)
 	}
@@ -50,6 +52,7 @@ func (o *Operations) GetJSON(path string, dst any) error {
 }
 
 func (o *Operations) PostJSON(path string, data any, dst any) error {
+
 	var res *http.Response
 
 	var buf bytes.Buffer
@@ -60,7 +63,9 @@ func (o *Operations) PostJSON(path string, data any, dst any) error {
 	}
 
 	url := o.getURL(path)
-	res, err := http.Post(url, "application/json", &buf)
+	client := o.getHTTPClient()
+
+	res, err := client.Post(url, "application/json", &buf)
 	if err != nil {
 		return errors.WithStack(err)
 	}
@@ -89,6 +94,18 @@ func (o *Operations) PostJSON(path string, data any, dst any) error {
 	return nil
 }
 
+func (o *Operations) getHTTPClient() *http.Client {
+	o.getClientOnce.Do(func() {
+		o.httpClient = &http.Client{
+			Transport: &http.Transport{
+				Dial: o.dial,
+			},
+		}
+	})
+
+	return o.httpClient
+}
+
 func (o *Operations) PostBaseCoordinates(ctx context.Context, base *model.Base) (*model.Base, error) {
 	var updated model.Base
 

reach/client/protocol/v2/operations.go

@@ -2,6 +2,7 @@ package v2
 
 import (
 	"context"
+	"net/http"
 	"sync"
 
 	"forge.cadoles.com/cadoles/go-emlid/reach/client/logger"
@@ -17,6 +18,10 @@ type Operations struct {
 	client *socketio.Client
 	mutex  sync.RWMutex
 	logger logger.Logger
+	dial   protocol.DialFunc
+
+	getClientOnce sync.Once
+	httpClient    *http.Client
 }
 
 // Reboot implements protocol.Operations.
@@ -161,12 +166,12 @@ func (o *Operations) Connect(ctx context.Context) error {
 		o.client.Close()
 	}
 
-	endpoint, err := socketio.EndpointFromHAddr(o.addr)
+	endpoint, err := socketio.EndpointFromAddr(o.addr)
 	if err != nil {
 		return errors.WithStack(err)
 	}
 
-	client := socketio.NewClient(endpoint)
+	client := socketio.NewClient(endpoint, socketio.WithDialFunc(socketio.DialFunc(o.dial)))
 
 	if err := client.Connect(); err != nil {
 		return errors.WithStack(err)

reach/client/protocol/v2/protocol.go

@@ -15,6 +15,7 @@ const compatibleVersionConstraint = ">= 32"
 
 type Protocol struct {
 	logger logger.Logger
+	dial   protocol.DialFunc
 }
 
 // Available implements protocol.Protocol.
@@ -50,7 +51,11 @@ func (p *Protocol) Identifier() protocol.Identifier {
 
 // Operations implements protocol.Protocol.
 func (p *Protocol) Operations(addr string) protocol.Operations {
-	return &Operations{addr: addr, logger: p.logger}
+	return &Operations{
+		dial:   p.dial,
+		addr:   addr,
+		logger: p.logger,
+	}
 }
 
 var _ protocol.Protocol = &Protocol{}

reach/client/socketio/client.go

@@ -32,12 +32,15 @@ func (c *Client) Connect() error {
 
 	wg.Add(1)
 
-	transport := &transport.WebsocketTransport{
+	transport := &Transport{
+		dial: c.opts.DialFunc,
+		ws: &transport.WebsocketTransport{
 			PingInterval:   c.opts.PingInterval,
 			PingTimeout:    c.opts.PingTimeout,
 			ReceiveTimeout: c.opts.ReceiveTimeout,
 			SendTimeout:    c.opts.SendTimeout,
 			BufferSize:     c.opts.BufferSize,
+		},
 	}
 
 	conn, err := gosocketio.Dial(c.endpoint, transport)

reach/client/socketio/endpoint.go

@@ -9,7 +9,7 @@ import (
 	"github.com/pkg/errors"
 )
 
-func EndpointFromHAddr(addr string) (string, error) {
+func EndpointFromAddr(addr string) (string, error) {
 	host, rawPort, err := net.SplitHostPort(addr)
 	if err != nil {
 		var addrErr *net.AddrError

reach/client/socketio/options.go

@@ -1,6 +1,13 @@
 package socketio
 
-import "time"
+import (
+	"net"
+	"time"
+
+	"github.com/pkg/errors"
+)
+
+type DialFunc func(network, addr string) (net.Conn, error)
 
 type Options struct {
 	PingInterval   time.Duration
@@ -8,6 +15,7 @@ type Options struct {
 	ReceiveTimeout time.Duration
 	SendTimeout    time.Duration
 	BufferSize     int
+	DialFunc       DialFunc
 }
 
 type OptionFunc func(opts *Options)
@@ -19,6 +27,7 @@ func NewOptions(funcs ...OptionFunc) *Options {
 		ReceiveTimeout: 60 * time.Second,
 		SendTimeout:    60 * time.Second,
 		BufferSize:     1024 * 32,
+		DialFunc:       DefaultDialFunc,
 	}
 	for _, fn := range funcs {
 		fn(opts)
@@ -60,3 +69,19 @@ func WithBufferSize(size int) OptionFunc {
 		opts.BufferSize = size
 	}
 }
+
+var DefaultDialFunc = func(network, addr string) (net.Conn, error) {
+	conn, err := net.Dial(network, addr)
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
+	return conn, nil
+}
+
+// WithDialFunc configures the client to use the given dial func
+func WithDialFunc(dial DialFunc) OptionFunc {
+	return func(opts *Options) {
+		opts.DialFunc = dial
+	}
+}

reach/client/socketio/transport.go

@@ -0,0 +1,46 @@
+package socketio
+
+import (
+	"net"
+	"net/http"
+
+	"forge.cadoles.com/Pyxis/golang-socketio/transport"
+	"github.com/gorilla/websocket"
+)
+
+type Transport struct {
+	dial DialFunc
+	ws   *transport.WebsocketTransport
+}
+
+// Connect implements transport.Transport.
+func (t *Transport) Connect(url string) (conn transport.Connection, err error) {
+	if t.dial == nil {
+		return t.ws.Connect(url)
+	} else {
+		dialer := websocket.Dialer{
+			NetDial: func(network, addr string) (net.Conn, error) {
+				return t.dial(network, addr)
+			},
+		}
+
+		socket, _, err := dialer.Dial(url, t.ws.RequestHeader)
+		if err != nil {
+			return nil, err
+		}
+
+		return transport.NewWebsocketConnection(socket, t.ws), nil
+	}
+}
+
+// HandleConnection implements transport.Transport.
+func (t *Transport) HandleConnection(w http.ResponseWriter, r *http.Request) (conn transport.Connection, err error) {
+	return t.ws.HandleConnection(w, r)
+}
+
+// Serve implements transport.Transport.
+func (t *Transport) Serve(w http.ResponseWriter, r *http.Request) {
+	t.ws.Serve(w, r)
+}
+
+var _ transport.Transport = &Transport{}