105 lines
2.1 KiB
Go
105 lines
2.1 KiB
Go
package honeybee
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import (
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"log/slog"
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"net/http"
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"time"
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"git.wisehodl.dev/jay/go-honeybee/errors"
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"github.com/gorilla/websocket"
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)
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type Dialer interface {
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Dial(urlStr string, requestHeader http.Header) (Socket, *http.Response, error)
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}
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func NewDialer() Dialer {
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return NewGorillaDialer()
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}
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type GorillaDialer struct {
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*websocket.Dialer
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}
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func NewGorillaDialer() *GorillaDialer {
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return &GorillaDialer{
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Dialer: &websocket.Dialer{
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HandshakeTimeout: 45 * time.Second,
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ReadBufferSize: 1024,
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WriteBufferSize: 1024,
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},
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}
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}
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// Returns the Socket interface
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func (d *GorillaDialer) Dial(
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urlStr string, requestHeader http.Header,
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) (
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Socket, *http.Response, error,
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) {
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conn, resp, err := d.Dialer.Dial(urlStr, requestHeader)
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return conn, resp, err
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}
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type Socket interface {
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WriteMessage(messageType int, data []byte) error
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ReadMessage() (messageType int, p []byte, err error)
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Close() error
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SetReadDeadline(t time.Time) error
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SetWriteDeadline(t time.Time) error
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SetCloseHandler(h func(code int, text string) error)
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}
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func AcquireSocket(
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retryMgr *RetryManager,
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dialer Dialer,
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urlStr string,
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logger *slog.Logger,
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) (Socket, *http.Response, error) {
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if retryMgr == nil {
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return nil, nil, errors.NewConnectionError("retry manager cannot be nil")
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}
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if dialer == nil {
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return nil, nil, errors.NewConnectionError("dialer cannot be nil")
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}
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if urlStr == "" {
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return nil, nil, errors.NewConnectionError("URL cannot be empty")
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}
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for {
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if logger != nil {
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logger.Info("dialing", "attempt", retryMgr.RetryCount()+1)
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}
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socket, resp, err := dialer.Dial(urlStr, nil)
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if err == nil {
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if logger != nil {
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logger.Info("dial successful", "attempt", retryMgr.RetryCount()+1)
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}
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return socket, resp, nil
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}
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if !retryMgr.ShouldRetry() {
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if logger != nil {
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logger.Error("dial failed, max retries reached",
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"error", err,
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"attempt", retryMgr.RetryCount()+1)
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}
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return nil, nil, err
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}
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delay := retryMgr.CalculateDelay()
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if logger != nil {
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logger.Warn("dial failed, retrying",
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"error", err,
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"attempt", retryMgr.RetryCount()+1,
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"next_delay", delay)
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}
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time.Sleep(delay)
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retryMgr.RecordRetry()
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}
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}
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