mirror of https://github.com/tidwall/tile38.git
71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
package endpoint
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import (
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"bytes"
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"fmt"
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"io"
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"net/http"
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"time"
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)
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const (
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httpExpiresAfter = time.Second * 30
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httpRequestTimeout = time.Second * 5
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httpMaxIdleConnections = 20
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)
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// HTTPConn is an endpoint connection
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type HTTPConn struct {
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ep Endpoint
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client *http.Client
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}
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func newHTTPConn(ep Endpoint) *HTTPConn {
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return &HTTPConn{
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ep: ep,
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client: &http.Client{
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Transport: &http.Transport{
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MaxIdleConnsPerHost: httpMaxIdleConnections,
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IdleConnTimeout: httpExpiresAfter,
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},
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Timeout: httpRequestTimeout,
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},
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}
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}
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// Expired returns true if the connection has expired
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func (conn *HTTPConn) Expired() bool {
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return false
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}
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// ExpireNow forces the connection to expire
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func (conn *HTTPConn) ExpireNow() {
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}
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// Send sends a message
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func (conn *HTTPConn) Send(msg string) error {
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req, err := http.NewRequest("POST", conn.ep.Original, bytes.NewBufferString(msg))
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if err != nil {
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return err
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}
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req.Header.Set("Content-Type", "application/json")
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resp, err := conn.client.Do(req)
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if err != nil {
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return err
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}
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// close the connection to reuse it
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defer resp.Body.Close()
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// discard response
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if _, err := io.Copy(io.Discard, resp.Body); err != nil {
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return err
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}
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// Only allow responses with status code 200, 201, and 202
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if resp.StatusCode != http.StatusOK &&
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resp.StatusCode != http.StatusCreated &&
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resp.StatusCode != http.StatusAccepted {
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return fmt.Errorf("invalid status: %s", resp.Status)
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}
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return nil
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}
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