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signalr.go
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signalr.go
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package signalr
import (
"context"
"github.com/rs/zerolog"
)
// SignalR -
type SignalR struct {
hub *Hub
t *Transport
log zerolog.Logger
url string
}
// NewSignalR -
func NewSignalR(url string) *SignalR {
return &SignalR{
t: NewTransport(url),
url: url,
}
}
// SetLogger -
func (s *SignalR) SetLogger(log zerolog.Logger) {
s.t.log = log
s.log = log
}
// Connect - connect to server
func (s *SignalR) Connect(ctx context.Context, version Version) error {
resp, err := s.t.Negotiate(version)
if err != nil {
return err
}
var id string
switch version {
case Version0:
id = resp.ConnectionID
case Version1:
id = resp.ConnectionToken
}
hub, err := NewHub(s.url, id)
if err != nil {
return err
}
s.hub = hub
s.hub.log = s.log
return s.hub.Connect(ctx)
}
// Messages - listens message channel
func (s *SignalR) Messages() <-chan interface{} {
return s.hub.msgs
}
// Close - close connection
func (s *SignalR) Close() error {
return s.hub.Close()
}
// Send - send message to server
func (s *SignalR) Send(msg interface{}) error {
return s.hub.Send(msg)
}
// SetOnReconnect -
func (s *SignalR) SetOnReconnect(onReconnect func() error) {
s.hub.onReconnect = onReconnect
}
// IsConnected -
func (s *SignalR) IsConnected() bool {
return s.hub != nil && s.hub.conn != nil
}