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package toxiproxy
import (
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"time"
)
type Client struct {
httpClient *http.Client
endpoint string
}
func NewClient(endpoint string) *Client {
return &Client{
httpClient: &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
ForceAttemptHTTP2: true,
MaxIdleConns: -1,
DisableKeepAlives: true,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
},
},
endpoint: endpoint,
}
}
func (c *Client) CreateProxy(
name string,
listenAddr string,
targetAddr string,
) (*Proxy, error) {
proxy := &Proxy{
Name: name,
ListenAddr: listenAddr,
TargetAddr: targetAddr,
Enabled: true,
client: c,
}
return proxy.Save()
}
func (c *Client) Proxy(name string) (*Proxy, error) {
req, err := http.NewRequest("GET", c.endpoint+"/proxies/"+name, nil)
if err != nil {
return nil, fmt.Errorf("failed to make proxy request: %w", err)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("failed to http get proxy: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
body, _ := io.ReadAll(resp.Body)
return nil, fmt.Errorf("error getting proxy %s: %s %s", name, resp.Status, body)
}
var p Proxy
if err := json.NewDecoder(resp.Body).Decode(&p); err != nil {
return nil, fmt.Errorf("error decoding json for proxy %s: %w", name, err)
}
p.client = c
return &p, nil
}
func (c *Client) ResetState() error {
req, err := http.NewRequest("POST", c.endpoint+"/reset", http.NoBody)
if err != nil {
return fmt.Errorf("failed to make reset request: %w", err)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return fmt.Errorf("failed to http post reset: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != 204 {
body, _ := io.ReadAll(resp.Body)
return fmt.Errorf("error resetting proxies: %s %s", resp.Status, body)
}
return nil
}
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