.net 与asp页面交换BSON数据
你好 我要做的是在客户端应用程序和asp.net页面之间交换序列化数据 我使用以下类进行exchange:.net 与asp页面交换BSON数据,.net,asp.net,json,bson,.net,Asp.net,Json,Bson,你好 我要做的是在客户端应用程序和asp.net页面之间交换序列化数据 我使用以下类进行exchange: public class Send { public Guid guidField; public string stringField1; public string stringField2; public byte[] data; } 及 在客户端,我使用以下代码发出请求: public Receive Exchange(Send send) {
public class Send
{
public Guid guidField;
public string stringField1;
public string stringField2;
public byte[] data;
}
及
在客户端,我使用以下代码发出请求:
public Receive Exchange(Send send)
{
Receive receive = new Receive();
string address = "example.org";
HttpWebRequest client = (HttpWebRequest)WebRequest.Create(address);
client.ContentType = "application/x-www-form-urlencoded";
client.Timeout = 90000;
client.Method = "POST";
client.UserAgent = "AgentMe";
try
{
Stream stream = client.GetRequestStream();
PackSend(stream, send);
stream.Flush();
stream.Close();
var response = client.GetResponse();
Stream outputStream = response.GetResponseStream();
UnpackReceive(outputStream, out receive);
}
catch (WebException ex)
{ }
return receive;
}
在服务器端,我的做法类似,但方向相反:
protected void Page_Load(object sender, EventArgs e)
{
Stream inputStream = Request.InputStream;
Send send;
UnpackSend(inputStream, out send);
// here goes some useful work
Receive receive = Process(send);
Response.ContentType = "application/x-www-form-urlencoded";
Stream stream = Response.OutputStream;
PackReceive(stream, sent);
Response.End();
}
对于打包和解包数据,我使用Newtonsoft.Json:
static void PackSend(Stream stream, Send message)
{
BsonWriter writer = new BsonWriter(stream);
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(writer, message);
writer.Flush();
writer.Close();
}
void UnpackSend(Stream stream, out Send message)
{
BsonReader reader = new BsonReader(stream);
JsonSerializer serializer = new JsonSerializer();
message = serializer.Deserialize<Send>(reader);
}
PackReceive/unpacreceive的代码与此类似
当我使用ContentType=application/x-www-form-urlencoded时,我能够进行交换,但前提是公共字节[]数据字段大小不超过~1200字节。如果大小更大,则执行请求时会出现内部服务器错误500
使用ContentType=text/xml;在服务器端正确处理任何大小的公共字节[]数据字段。有用的工作已经完成,但当服务器尝试写入响应流时,我猜会发生错误,并且自动提交请求会重复,所以客户端应用程序会被卡住,用多个类似的请求淹没服务器而不会引发任何错误。
ContentType=application/octet-stream-显示与text/xml相同的行为
任何人都可以建议一个合适的ContentType字符串,或者给出如何正确处理这种情况的建议。谢谢。您的500错误消息是通用IIS错误消息,而不是ASP.Net错误消息吗?如果是这样的话,这可能意味着数据甚至没有到达ASP.Net,IIS正在阻塞它。我的第一个猜测是你的上传量已经达到了极限。一旦设置了IIS,您还必须。至于你的其他错误,你应该认真研究如何捕捉它们。Net框架在解释问题方面做得相当好
static void PackSend(Stream stream, Send message)
{
BsonWriter writer = new BsonWriter(stream);
JsonSerializer serializer = new JsonSerializer();
serializer.Serialize(writer, message);
writer.Flush();
writer.Close();
}
void UnpackSend(Stream stream, out Send message)
{
BsonReader reader = new BsonReader(stream);
JsonSerializer serializer = new JsonSerializer();
message = serializer.Deserialize<Send>(reader);
}