HTTP服务器软件系统的设计与实现(19)
public static byte[] GetHeader(int lenght， MimeType type， bool dropConnection， bool gzip)
{
string cutOffConnection = "";
if (dropConnection)
{
cutOffConnection = "\r\n" + "Connection: close";
}
string _type = GetStringMimeType(type);
string header = "HTTP/1.1 200 OK" +
"\r\n" + "Cache-Control: private" +
"\r\n" + "Server: my" +
"\r\n" + "Content-Type: " + _type +
"\r\n" + "Content-Length: " + lenght +
(gzip ? "\r\n" + "Content-Encoding: gzip" : "") +
"\r\n" + "Server: vws" +
"\r\n" + "Date: " + String.Format("{0:r}"， DateTime.Now) +
"\r\n\r\n";
return Encoding.UTF8.GetBytes(header);
}
/// <summary>
/// 这个函数返回一个字节数组GZIP算法压缩。
/// </summary>
/// <param name="data"></param>
/// <returns></returns>
public static byte[] CompressGZIP(byte[] data)
{
System.IO.MemoryStream streamoutput = new System.IO.MemoryStream();
System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(streamoutput， System.IO.Compression.CompressionMode.Compress， false);
gzip.Write(data， 0， data.Length);
gzip.Close();
return streamoutput.ToArray();
}
/// <summary>
/// 这个函数返回默认的错误页面，应用程序响应。
/// </summary>
/// <param name="request"></param>
/// <param name="ex"></param>
/// <returns></returns>