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http_client.go
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/
http_client.go
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package centrifugoKit
import (
"github.com/centrifugal/gocent/v3"
"github.com/richelieu-yang/chimera/v3/src/component/web/request/httpClientKit"
"github.com/richelieu-yang/chimera/v3/src/core/sliceKit"
"github.com/richelieu-yang/chimera/v3/src/core/strKit"
"github.com/richelieu-yang/chimera/v3/src/randomKit"
"net/http"
)
// NewHttpClient TODO: 待完善
/*
Deprecated: (1)gocent依赖很久没更新了 (2)http客户端的负载均衡比较难搞,而grpc有现成的
@param addrs e.g.[]string{"http://localhost:8000/api"}
@param apiKey centrifugo配置文件中的 api_key 项
@param httpClient 可以为nil(将使用默认值 httpClientKit.DefaultHttpClient)
*/
func NewHttpClient(addrs []string, apiKey string, httpClient *http.Client) (*gocent.Client, error) {
// addrs
addrs = sliceKit.PolyfillStringSlice(addrs)
if err := sliceKit.AssertNotEmpty(addrs, "addrs"); err != nil {
return nil, err
}
// apiKey
if err := strKit.AssertNotEmpty(apiKey, "apiKey"); err != nil {
return nil, err
}
// httpClient
if httpClient == nil {
httpClient = httpClientKit.DefaultHttpClient
}
/* (1) 一个地址 */
if len(addrs) == 1 {
config := gocent.Config{
Addr: addrs[0],
Key: apiKey,
HTTPClient: httpClient,
}
return gocent.New(config), nil
}
/* (2) 多个地址 */
getAddr := func() (string, error) {
// TODO: 处理 服务挂掉 等情况
i := randomKit.Int(0, len(addrs))
return addrs[i], nil
}
config := gocent.Config{
GetAddr: getAddr,
Key: apiKey,
HTTPClient: httpClient,
}
return gocent.New(config), nil
}