forked from istio/istio
/
call.go
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/
call.go
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// Copyright 2019 Istio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package echo
import "net/http"
// CallProtocol enumerates the protocol options for calling an Endpoint endpoint.
type CallProtocol string
const (
HTTP CallProtocol = "http"
HTTPS CallProtocol = "https"
GRPC CallProtocol = "grpc"
GRPCS CallProtocol = "grpcs"
WebSocket CallProtocol = "ws"
WebSocketS CallProtocol = "wss"
)
// CallOptions defines options for calling a Endpoint.
type CallOptions struct {
// Target instance of the call. Required.
Target Instance
// Port on the target Instance. Either Port or PortName must be specified.
Port *Port
// PortName of the port on the target Instance. Either Port or PortName must be specified.
PortName string
// Protocol to be used when making the call. If not provided, the protocol of the port
// will be used.
Protocol CallProtocol
// Host specifies the host to be used on the request. If not provided, an appropriate
// default is chosen for the target Instance.
Host string
// Path specifies the URL path for the request.
Path string
// Count indicates the number of exchanges that should be made with the service endpoint.
// If Count <= 0, defaults to 1.
Count int
// Headers indicates headers that should be sent in the request. Ignored for WebSocket calls.
Headers http.Header
}