Set up core event storage and basic HTTP endpoints

gophernet-broker/broker.go

@@ -0,0 +1,31 @@
+package main
+
+import "sync"
+
+type Event struct {
+	Topic   string `json:"topic"`
+	Message string `json:"message"`
+}
+
+type Broker struct {
+	mu     sync.RWMutex
+	events []Event
+}
+
+func NewBroker() *Broker {
+	return &Broker{
+		events: make([]Event, 0),
+	}
+}
+
+func (b *Broker) AddEvent(e Event) {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	b.events = append(b.events, e)
+}
+
+func (b *Broker) GetEvents() []Event {
+	b.mu.RLock()
+	defer b.mu.RUnlock()
+	return b.events
+}

gophernet-broker/go.mod

@@ -0,0 +1,3 @@
+module github.com/Debashich/GopherNet/gophernet-broker
+
+go 1.25.1

gophernet-broker/handlers.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"encoding/json"
+	"net/http"
+)
+
+func HealthHandler(w http.ResponseWriter, r *http.Request) {
+	w.WriteHeader(http.StatusOK)
+	w.Write([]byte("OK"))
+}
+
+func PublishHandler(broker *Broker) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+
+		var e Event
+		if err := json.NewDecoder(r.Body).Decode(&e); err != nil {
+			http.Error(w, "invalid JSON", http.StatusBadRequest)
+			return
+		}
+
+		broker.AddEvent(e)
+		w.WriteHeader(http.StatusCreated)
+	}
+}
+
+func GetEventsHandler(broker *Broker) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		events := broker.GetEvents()
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(events)
+	}
+}

gophernet-broker/main.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	broker := NewBroker()
+
+	http.HandleFunc("/health", HealthHandler)
+	http.HandleFunc("/publish", PublishHandler(broker))
+	http.HandleFunc("/events", GetEventsHandler(broker))
+
+	fmt.Println("GopherNet Broker running on :3000")
+	http.ListenAndServe(":3000", nil)
+}