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websocket.go
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websocket.go
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package input
import (
"github.com/dafanshu/benthos/v3/internal/docs"
"github.com/dafanshu/benthos/v3/lib/input/reader"
"github.com/dafanshu/benthos/v3/lib/log"
"github.com/dafanshu/benthos/v3/lib/metrics"
"github.com/dafanshu/benthos/v3/lib/types"
"github.com/dafanshu/benthos/v3/lib/util/http/auth"
btls "github.com/dafanshu/benthos/v3/lib/util/tls"
)
//------------------------------------------------------------------------------
func init() {
Constructors[TypeWebsocket] = TypeSpec{
constructor: fromSimpleConstructor(NewWebsocket),
Summary: `
Connects to a websocket server and continuously receives messages.`,
Description: `
It is possible to configure an ` + "`open_message`" + `, which when set to a
non-empty string will be sent to the websocket server each time a connection is
first established.`,
FieldSpecs: append(docs.FieldSpecs{
docs.FieldCommon("url", "The URL to connect to.", "ws://localhost:4195/get/ws").HasType("string"),
docs.FieldAdvanced("open_message", "An optional message to send to the server upon connection."),
btls.FieldSpec(),
}, auth.FieldSpecs()...),
Categories: []Category{
CategoryNetwork,
},
}
}
//------------------------------------------------------------------------------
// NewWebsocket creates a new Websocket input type.
func NewWebsocket(conf Config, mgr types.Manager, log log.Modular, stats metrics.Type) (Type, error) {
ws, err := reader.NewWebsocket(conf.Websocket, log, stats)
if err != nil {
return nil, err
}
return NewAsyncReader("websocket", true, reader.NewAsyncPreserver(ws), log, stats)
}
//------------------------------------------------------------------------------