working Gateway for incoming Mod/Bot ws-conn's; simulated Mod client via sim.go

This commit is contained in:
2025-12-01 19:04:35 +01:00
parent 46aef47e21
commit 925dc319e8
5 changed files with 359 additions and 283 deletions

314
sim.go
View File

@@ -2,15 +2,23 @@ package main
import (
"encoding/json"
"fmt"
"log"
"net/url"
"os"
"os/signal"
"syscall"
"time"
"github.com/gorilla/websocket"
)
type MessageEnvelope struct {
const (
gatewayURL = "ws://localhost:3333/push"
apiKey = "gateway"
serverID = "test-server-001"
)
type Handshake struct {
Type string `json:"type"`
Data json.RawMessage `json:"data"`
}
@@ -19,173 +27,163 @@ type ModHandshake struct {
ServerID string `json:"server_id"`
}
type BotHandshake struct {
BotID string `json:"bot_id"`
type GatewayAck struct {
Status string `json:"status"`
Type string `json:"type"`
}
type User struct {
type MinecraftUser struct {
ID string `json:"id"`
Name string `json:"name"`
}
type ModMessage struct {
MsgID string `json:"msg_id"`
Server string `json:"server"`
User User `json:"user"`
Content string `json:"content"`
Meta map[string]interface{} `json:"meta,omitempty"`
Ts string `json:"ts,omitempty"`
type Destination struct {
ChannelID string `json:"channel_id"`
}
type BotMessage struct {
MsgID string `json:"msg_id"`
ChannelID string `json:"channel_id"`
Author string `json:"author"`
Content string `json:"content"`
Meta map[string]interface{} `json:"meta,omitempty"`
Ts string `json:"ts,omitempty"`
}
func simulateMod() {
u := url.URL{Scheme: "ws", Host: "localhost:3333", Path: "/ws"}
u.RawQuery = "api_key=gateway"
conn, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
if err != nil {
log.Fatalf("mod dial error: %v", err)
}
defer conn.Close()
fmt.Println("[MOD] Connected")
// Send handshake
handshake := ModHandshake{ServerID: "survival_server"}
hsData, _ := json.Marshal(handshake)
envelope := MessageEnvelope{
Type: "mod",
Data: hsData,
}
envData, _ := json.Marshal(envelope)
if err := conn.WriteMessage(websocket.TextMessage, envData); err != nil {
log.Fatalf("mod handshake write error: %v", err)
}
fmt.Println("[MOD] Sent handshake")
// Read handshake response
_, resp, err := conn.ReadMessage()
if err != nil {
log.Fatalf("mod handshake response error: %v", err)
}
fmt.Printf("[MOD] Handshake response: %s\n", string(resp))
// Send a few messages
for i := 1; i <= 3; i++ {
msg := ModMessage{
MsgID: fmt.Sprintf("mod_msg_%d", i),
Server: "survival_server",
User: User{ID: "player_123", Name: "Steve"},
Content: fmt.Sprintf("Message %d from Minecraft!", i),
Meta: map[string]interface{}{
"coordinates": map[string]int{"x": 100 + i*10, "y": 64, "z": 200},
},
Ts: time.Now().UTC().Format(time.RFC3339),
}
msgData, _ := json.Marshal(msg)
if err := conn.WriteMessage(websocket.TextMessage, msgData); err != nil {
log.Fatalf("mod message write error: %v", err)
}
fmt.Printf("[MOD] Sent message: %s\n", msg.Content)
// Read response
_, resp, err := conn.ReadMessage()
if err != nil {
log.Fatalf("mod response error: %v", err)
}
fmt.Printf("[MOD] Response: %s\n", string(resp))
time.Sleep(1 * time.Second)
}
fmt.Println("[MOD] Closing connection")
}
func simulateBot() {
time.Sleep(2 * time.Second) // Let mod connect first
u := url.URL{Scheme: "ws", Host: "localhost:3333", Path: "/ws"}
u.RawQuery = "api_key=gateway"
conn, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
if err != nil {
log.Fatalf("bot dial error: %v", err)
}
defer conn.Close()
fmt.Println("[BOT] Connected")
// Send handshake
handshake := BotHandshake{BotID: "discord_bot_1"}
hsData, _ := json.Marshal(handshake)
envelope := MessageEnvelope{
Type: "bot",
Data: hsData,
}
envData, _ := json.Marshal(envelope)
if err := conn.WriteMessage(websocket.TextMessage, envData); err != nil {
log.Fatalf("bot handshake write error: %v", err)
}
fmt.Println("[BOT] Sent handshake")
// Read handshake response
_, resp, err := conn.ReadMessage()
if err != nil {
log.Fatalf("bot handshake response error: %v", err)
}
fmt.Printf("[BOT] Handshake response: %s\n", string(resp))
// Send a few messages
for i := 1; i <= 3; i++ {
msg := BotMessage{
MsgID: fmt.Sprintf("bot_msg_%d", i),
ChannelID: "987654321",
Author: "DiscordUser#1234",
Content: fmt.Sprintf("Message %d from Discord!", i),
Meta: map[string]interface{}{
"reactions": []string{"👍", "❤️"},
},
Ts: time.Now().UTC().Format(time.RFC3339),
}
msgData, _ := json.Marshal(msg)
if err := conn.WriteMessage(websocket.TextMessage, msgData); err != nil {
log.Fatalf("bot message write error: %v", err)
}
fmt.Printf("[BOT] Sent message: %s\n", msg.Content)
// Read response
_, resp, err := conn.ReadMessage()
if err != nil {
log.Fatalf("bot response error: %v", err)
}
fmt.Printf("[BOT] Response: %s\n", string(resp))
time.Sleep(1 * time.Second)
}
fmt.Println("[BOT] Closing connection")
type GatewayModMessageIn struct {
MsgID string `json:"msg_id"`
Server string `json:"server"`
Destination Destination `json:"destination"`
Author MinecraftUser `json:"author"`
Content string `json:"content"`
Meta map[string]interface{} `json:"meta,omitempty"`
Ts string `json:"ts,omitempty"`
}
func main() {
fmt.Println("Starting WebSocket client simulator...")
fmt.Println("Connecting to ws://localhost:3333/ws with api_key=gateway")
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM)
go simulateMod()
go simulateBot()
// Build WebSocket URL with API key
u, err := url.Parse(gatewayURL)
if err != nil {
log.Fatalf("Failed to parse URL: %v", err)
}
q := u.Query()
q.Set("api_key", apiKey)
u.RawQuery = q.Encode()
// Let them run
time.Sleep(15 * time.Second)
fmt.Println("Simulator finished")
log.Printf("Connecting to %s", u.String())
// Connect to WebSocket
conn, _, err := websocket.DefaultDialer.Dial(u.String(), nil)
if err != nil {
log.Fatalf("Failed to connect: %v", err)
}
defer conn.Close()
log.Println("Connected to gateway")
// Set up ping handler - respond to pings from server
conn.SetPingHandler(func(appData string) error {
log.Println("Received ping from server, sending pong")
err := conn.WriteControl(websocket.PongMessage, []byte(appData), time.Now().Add(5*time.Second))
if err != nil {
log.Printf("Failed to send pong: %v", err)
return err
}
return nil
})
// Send handshake
modHS := ModHandshake{ServerID: serverID}
modHSData, err := json.Marshal(modHS)
if err != nil {
log.Fatalf("Failed to marshal mod handshake: %v", err)
}
handshake := Handshake{
Type: "mod",
Data: modHSData,
}
if err := conn.WriteJSON(handshake); err != nil {
log.Fatalf("Failed to send handshake: %v", err)
}
log.Println("Handshake sent")
// Read acknowledgment
var ack GatewayAck
if err := conn.ReadJSON(&ack); err != nil {
log.Fatalf("Failed to read acknowledgment: %v", err)
}
log.Printf("Received acknowledgment: status=%s, type=%s", ack.Status, ack.Type)
// Channel for incoming messages
done := make(chan struct{})
// Read loop - handles incoming messages and processes control frames
go func() {
defer close(done)
for {
messageType, message, err := conn.ReadMessage()
if err != nil {
if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseNormalClosure) {
log.Printf("WebSocket error: %v", err)
} else {
log.Printf("Connection closed: %v", err)
}
return
}
// Only log text/binary messages (ping/pong handled by handlers)
if messageType == websocket.TextMessage || messageType == websocket.BinaryMessage {
log.Printf("Received from server: %s", string(message))
}
}
}()
// Optional: Send a test message after connecting
time.Sleep(2 * time.Second)
testMsg := GatewayModMessageIn{
MsgID: "test-msg-001",
Server: serverID,
Destination: Destination{
ChannelID: "123456789",
},
Author: MinecraftUser{
ID: "player-uuid-123",
Name: "TestPlayer",
},
Content: "Hello from simulated mod!",
Ts: time.Now().UTC().Format(time.RFC3339),
}
if err := conn.WriteJSON(testMsg); err != nil {
log.Printf("Failed to send test message: %v", err)
} else {
log.Println("Sent test message to gateway")
}
log.Println("Connection established. Responding to pings. Press Ctrl+C to disconnect.")
// Wait for interrupt or connection close
for {
select {
case <-done:
log.Println("Connection closed")
return
case <-interrupt:
log.Println("Interrupt received, closing connection...")
// Send close message
err := conn.WriteMessage(
websocket.CloseMessage,
websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""),
)
if err != nil {
log.Printf("Write close error: %v", err)
return
}
select {
case <-done:
case <-time.After(time.Second):
}
return
}
}
}