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client.go
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client.go
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// Copyright 2023 Google LLC
//
// 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 status
import (
"context"
"net/http"
"github.com/TiagoMalhadas/xcweaver/runtime/protomsg"
protos "github.com/TiagoMalhadas/xcweaver/runtime/protos"
)
// Client is an HTTP client to a status server. It's assumed the status server
// registered itself with RegisterServer.
type Client struct {
addr string // status server (e.g., "localhost:12345")
}
var _ Server = &Client{}
// NewClient returns a client to the status server on the provided address.
func NewClient(addr string) *Client {
return &Client{addr}
}
// Status implements the Server interface.
func (c *Client) Status(ctx context.Context) (*Status, error) {
status := &Status{}
err := protomsg.Call(ctx, protomsg.CallArgs{
Client: http.DefaultClient,
Addr: "http://" + c.addr,
URLPath: statusEndpoint,
Reply: status,
})
if err != nil {
return nil, err
}
status.StatusAddr = c.addr
return status, nil
}
// Metrics implements the Server interface.
func (c *Client) Metrics(ctx context.Context) (*Metrics, error) {
metrics := &Metrics{}
err := protomsg.Call(ctx, protomsg.CallArgs{
Client: http.DefaultClient,
Addr: "http://" + c.addr,
URLPath: metricsEndpoint,
Reply: metrics,
})
return metrics, err
}
// Profile implements the Server interface.
func (c *Client) Profile(ctx context.Context, req *protos.GetProfileRequest) (*protos.GetProfileReply, error) {
reply := &protos.GetProfileReply{}
err := protomsg.Call(ctx, protomsg.CallArgs{
Client: http.DefaultClient,
Addr: "http://" + c.addr,
URLPath: profileEndpoint,
Request: req,
Reply: reply,
})
return reply, err
}