C# .NET HttpWebRequest超时是否会终止所有未来的请求?
我有一个程序,里面有很多C# .NET HttpWebRequest超时是否会终止所有未来的请求?,c#,.net,httpwebrequest,C#,.net,Httpwebrequest,我有一个程序,里面有很多HttpWebRequest调用。它大量处理对各种流媒体平台(Twitch、Hitbox、Beam、YouTube)的外部API请求。我所有的要求似乎都很有效 以下是我的一个请求的示例: private void save_Click(object sender, RoutedEventArgs e) { string postUrl = "https://api.twitch.tv/kraken/channels/" + this.channelID;
HttpWebRequest
调用。它大量处理对各种流媒体平台(Twitch、Hitbox、Beam、YouTube)的外部API请求。我所有的要求似乎都很有效
以下是我的一个请求的示例:
private void save_Click(object sender, RoutedEventArgs e)
{
string postUrl = "https://api.twitch.tv/kraken/channels/" + this.channelID;
string postData = "channel[status]=" + Uri.EscapeDataString(status.Text) +
"&channel[game]=" + Uri.EscapeDataString(game.Text);
byte[] postByte = Encoding.UTF8.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(postUrl);
request.Method = "PUT";
request.Accept = "application/vnd.twitchtv.v5+json";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postByte.Length;
request.Headers.Add("Authorization", "OAuth " + password.Password);
request.Headers.Add("Client-ID", this.clientID);
request.Timeout = 15000;
try
{
Stream putStream = request.GetRequestStream();
putStream.Write(postByte, 0, postByte.Length);
putStream.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
}
catch (WebException err)
{
MessageBox.Show("Unable to update channel information:\n" + err.Message);
}
}
但是,有一个问题是,如果请求失败(例如短暂的internet打嗝),并且try-catch由于超时而响应错误,那么在我重新启动程序之前,未来的HttpWebRequests将无法工作
只有当错误捕获由超时启动时,才会发生这种情况
发生这种情况的原因是什么?我如何修复它?这很可能是由于未正确释放的资源导致的锁定 将代码更改为可能在HttpWebRequestonWebException上调用abort,也可能将HttpWebResponse和putStream包装在using语句中
private void save_Click(object sender, RoutedEventArgs e)
{
string postUrl = "https://api.twitch.tv/kraken/channels/" + this.channelID;
string postData = "channel[status]=" + Uri.EscapeDataString(status.Text) +
"&channel[game]=" + Uri.EscapeDataString(game.Text);
byte[] postByte = Encoding.UTF8.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(postUrl);
request.Method = "PUT";
request.Accept = "application/vnd.twitchtv.v5+json";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postByte.Length;
request.Headers.Add("Authorization", "OAuth " + password.Password);
request.Headers.Add("Client-ID", this.clientID);
request.Timeout = 15000;
try
{
using (Stream putStream = request.GetRequestStream())
{
putStream.Write(postByte, 0, postByte.Length);
using (var response = (HttpWebResponse) request.GetResponse())
{
//assign the response result to a variable else it's getting disposed
}
}
}
catch (WebException err)
{
request.Abort();
MessageBox.Show("Unable to update channel information:\n" + err.Message);
}
}
这很可能是由于未正确释放的资源导致锁定 将代码更改为可能在HttpWebRequestonWebException上调用abort,也可能将HttpWebResponse和putStream包装在using语句中
private void save_Click(object sender, RoutedEventArgs e)
{
string postUrl = "https://api.twitch.tv/kraken/channels/" + this.channelID;
string postData = "channel[status]=" + Uri.EscapeDataString(status.Text) +
"&channel[game]=" + Uri.EscapeDataString(game.Text);
byte[] postByte = Encoding.UTF8.GetBytes(postData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(postUrl);
request.Method = "PUT";
request.Accept = "application/vnd.twitchtv.v5+json";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postByte.Length;
request.Headers.Add("Authorization", "OAuth " + password.Password);
request.Headers.Add("Client-ID", this.clientID);
request.Timeout = 15000;
try
{
using (Stream putStream = request.GetRequestStream())
{
putStream.Write(postByte, 0, postByte.Length);
using (var response = (HttpWebResponse) request.GetResponse())
{
//assign the response result to a variable else it's getting disposed
}
}
}
catch (WebException err)
{
request.Abort();
MessageBox.Show("Unable to update channel information:\n" + err.Message);
}
}
我对HttpClient也有同样的问题,这里的答案没有帮助。我对HttpClient也有同样的问题,这里的答案没有帮助。