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75 lines
1.8 KiB
Go
75 lines
1.8 KiB
Go
package httpc
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import (
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"io"
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"net/http"
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"github.com/zeromicro/go-zero/core/breaker"
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"github.com/zeromicro/go-zero/core/logx"
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"github.com/zeromicro/go-zero/rest/httpc/internal"
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)
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var interceptors = []internal.Interceptor{
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internal.LogInterceptor,
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}
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type Option func(cli *http.Client)
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// Do sends an HTTP request to the service assocated with the given key.
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func Do(key string, r *http.Request, opts ...Option) (resp *http.Response, err error) {
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var respHandlers []internal.ResponseHandler
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for _, interceptor := range interceptors {
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var h internal.ResponseHandler
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r, h = interceptor(r)
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respHandlers = append(respHandlers, h)
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}
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resp, err = doRequest(key, r, opts...)
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if err != nil {
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logx.Errorf("[HTTP] %s %s/%s - %v", r.Method, r.Host, r.RequestURI, err)
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return
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}
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for i := len(respHandlers) - 1; i >= 0; i-- {
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respHandlers[i](resp)
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}
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return
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}
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// Get sends an HTTP GET request to the service assocated with the given key.
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func Get(key, url string, opts ...Option) (*http.Response, error) {
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r, err := http.NewRequest(http.MethodGet, url, nil)
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if err != nil {
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return nil, err
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}
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return Do(key, r, opts...)
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}
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// Post sends an HTTP POST request to the service assocated with the given key.
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func Post(key, url, contentType string, body io.Reader, opts ...Option) (*http.Response, error) {
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r, err := http.NewRequest(http.MethodPost, url, body)
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if err != nil {
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return nil, err
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}
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return Do(key, r, opts...)
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}
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func doRequest(key string, r *http.Request, opts ...Option) (resp *http.Response, err error) {
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brk := breaker.GetBreaker(key)
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err = brk.DoWithAcceptable(func() error {
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var cli http.Client
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for _, opt := range opts {
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opt(&cli)
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}
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resp, err = cli.Do(r)
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return err
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}, func(err error) bool {
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return err == nil && resp.StatusCode < http.StatusInternalServerError
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})
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return
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}
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