Echo Nest API:将curl命令转换为检查速率限制为c#

时间:2016-02-08 12:02:13

标签: c# php api curl echonest

我试图将此curl命令转换为c#

ggplot(mpg, aes(class, hwy))+
    geom_boxplot(aes(fill = drv))+
    geom_jitter(width = .3, aes(fill = drv), shape = 21, color = "white")

这会返回一个响应头,其内容如下:

curl -i 'http://developer.echonest.com/api/v4/artist/profile?api_key=[API KEY]&name=weezer'

我尝试了这段代码,但是当我运行它时,它会出现异常:" HTTP错误405方法不允许"。

HTTP/1.1 200 OK
Content-Length: 135
X-RateLimit-Limit: 120
X-RateLimit-Remaining: 62
X-RateLimit-Used: 58

任何帮助将不胜感激。

1 个答案:

答案 0 :(得分:0)

除了Daniel建议的更改之外,我还会删除UserAgent。之后,它看起来非常像C#I成功使用。这是一个稍微缩短的版本:

    string baseurl = "http://developer.echonest.com/api/v4/artist/profile?api_key=[API KEY]&name=weezer";
    var req = (HttpWebRequest) WebRequest.Create(baseurl);
    req.Method = WebRequestMethods.Http.Get;
    req.Accept = "application/json";

    using (var response = (HttpWebResponse) req.GetResponse())
    {
        if (response.StatusCode == HttpStatusCode.OK)
        {
            var stream = response.GetResponseStream();
            if (stream != null)
            {
                using (var sr = new StreamReader(stream))
                {
                    responseString = sr.ReadToEnd();
                }

                var remaining = GetRateInfo(response.Headers, "X-RateLimit-Remaining");
                var used = GetRateInfo(response.Headers, "X-RateLimit-Used");
                var limit = GetRateInfo(response.Headers, "X-RateLimit-Limit");
                Trace.WriteLine($"Excedeed EchoNest Limits: remaining {remaining} - used {used} - limit {limit}");
            }
        }
        else
        {
            // Error handling
        }

//标题解析代码:

    private static int GetRateInfo(WebHeaderCollection headers, string type)
    {
        var s = headers.Get(type);
        if (s == null)
            return -1;

        int info;
        return int.TryParse(s, out info) ? info : -1;
    }