initial

handler.go

@@ -0,0 +1,70 @@
+package rabbit
+
+import (
+	"context"
+	"errors"
+	amqp "github.com/rabbitmq/amqp091-go"
+	"log"
+	"os"
+	"sync"
+	"time"
+)
+
+type Client struct {
+	mutex           *sync.Mutex
+	queueName       string
+	logger          *log.Logger
+	connection      *amqp.Connection
+	Channel         *amqp.Channel
+	done            chan bool
+	notifyConnClose chan *amqp.Error
+	notifyChanClose chan *amqp.Error
+	notifyConfirm   chan amqp.Confirmation
+	isReady         bool
+	reconnectDelay  time.Duration
+	reInitDelay     time.Duration
+	resendDelay     time.Duration
+}
+
+//const (
+//	reconnectDelay = 5 * time.Second
+//	reInitDelay    = 2 * time.Second
+//	resendDelay    = 5 * time.Second
+//)
+
+type Deps struct {
+	ReconnectDelay time.Duration
+	ReInitDelay    time.Duration
+	ResendDelay    time.Duration
+	QueueName      string
+	Addr           string
+}
+
+var (
+	errNotConnected  = errors.New("not connected to a server")
+	errAlreadyClosed = errors.New("already closed: not connected to the server")
+	errShutdown      = errors.New("client is shutting down")
+)
+
+func NewClient(deps Deps) *Client {
+	client := Client{
+		mutex:          &sync.Mutex{},
+		logger:         log.New(os.Stdout, "", log.LstdFlags),
+		queueName:      deps.QueueName,
+		done:           make(chan bool),
+		reconnectDelay: deps.ReconnectDelay,
+		reInitDelay:    deps.ReInitDelay,
+		resendDelay:    deps.ResendDelay,
+	}
+
+	go client.handleReconnect(deps.Addr)
+
+	return &client
+}
+
+func StartConsumer(ctx context.Context, client *Client, chanLen int) chan []byte {
+	msgCh := make(chan []byte, chanLen)
+	go runConsumer(ctx, client)
+
+	return msgCh
+}