引用這個才會
VisualCardClass vcd = new VisualCardClass();
int i = vcd.Open(1, 1, 1, 1);
異常
starting: GET / HTTP/1.1
readHeaders()
header: Host:127.0.0.1:8080
header: Connection:keep-alive
header: Pragma:no-cache
header: Cache-Control:no-cache
header: Upgrade-Insecure-Requests:1
header: User-Agent:Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
header: Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
header: Accept-Encoding:gzip, deflate, sdch, br
header: Accept-Language:zh-CN,zh;q=0.8,en;q=0.6
got headers
Exception: System.BadImageFormatException: 未能加載文件或程序集“Interop.SMJVisualCardControlLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null”或它的某一個依賴項。生成此程序集的運行時比當前加載的運行時新,無法加載此程序集。
文件名:“Interop.SMJVisualCardControlLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null”
在 Bend.Util.MyHttpServer.handleGETRequest(HttpProcessor p)
在 Bend.Util.HttpProcessor.handleGETRequest() 位置 C:\Users\17109\Desktop\SimpleHttpServer\SimpleHttpServer.cs:行號 107
在 Bend.Util.HttpProcessor.process() 位置 C:\Users\17109\Desktop\SimpleHttpServer\SimpleHttpServer.cs:行號 54
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代碼
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using SMJVisualCardControlLib;
namespace Bend.Util {
public class HttpProcessor {
public TcpClient socket;
public HttpServer srv;
private Stream inputStream;
public StreamWriter outputStream;
public String http_method;
public String http_url;
public String http_protocol_versionstring;
public Hashtable httpHeaders = new Hashtable();
private static int MAX_POST_SIZE = 10 * 1024 * 1024; // 10MB
public HttpProcessor(TcpClient s, HttpServer srv) {
this.socket = s;
this.srv = srv;
}
private string streamReadLine(Stream inputStream) {
int next_char;
string data = "";
while (true) {
next_char = inputStream.ReadByte();
if (next_char == '\n') { break; }
if (next_char == '\r') { continue; }
if (next_char == -1) { Thread.Sleep(1); continue; };
data += Convert.ToChar(next_char);
}
return data;
}
public void process() {
// we can't use a StreamReader for input, because it buffers up extra data on us inside it's
// "processed" view of the world, and we want the data raw after the headers
inputStream = new BufferedStream(socket.GetStream());
// we probably shouldn't be using a streamwriter for all output from handlers either
outputStream = new StreamWriter(new BufferedStream(socket.GetStream()));
try {
parseRequest();
readHeaders();
if (http_method.Equals("GET")) {
handleGETRequest();
} else if (http_method.Equals("POST")) {
handlePOSTRequest();
}
} catch (Exception e) {
Console.WriteLine("Exception: " + e.ToString());
writeFailure();
}
outputStream.Flush();
// bs.Flush(); // flush any remaining output
inputStream = null; outputStream = null; // bs = null;
socket.Close();
}
public void parseRequest() {
String request = streamReadLine(inputStream);
string[] tokens = request.Split(' ');
if (tokens.Length != 3) {
throw new Exception("invalid http request line");
}
http_method = tokens[0].ToUpper();
http_url = tokens[1];
http_protocol_versionstring = tokens[2];
Console.WriteLine("starting: " + request);
}
public void readHeaders() {
Console.WriteLine("readHeaders()");
String line;
while ((line = streamReadLine(inputStream)) != null) {
if (line.Equals("")) {
Console.WriteLine("got headers");
return;
}
int separator = line.IndexOf(':');
if (separator == -1) {
throw new Exception("invalid http header line: " + line);
}
String name = line.Substring(0, separator);
int pos = separator + 1;
while ((pos < line.Length) && (line[pos] == ' ')) {
pos++; // strip any spaces
}
string value = line.Substring(pos, line.Length - pos);
Console.WriteLine("header: {0}:{1}", name, value);
httpHeaders[name] = value;
}
}
public void handleGETRequest() {
srv.handleGETRequest(this);
}
private const int BUF_SIZE = 4096;
public void handlePOSTRequest() {
// this post data processing just reads everything into a memory stream.
// this is fine for smallish things, but for large stuff we should really
// hand an input stream to the request processor. However, the input stream
// we hand him needs to let him see the "end of the stream" at this content
// length, because otherwise he won't know when he's seen it all!
Console.WriteLine("get post data start");
int content_len = 0;
MemoryStream ms = new MemoryStream();
if (this.httpHeaders.ContainsKey("Content-Length")) {
content_len = Convert.ToInt32(this.httpHeaders["Content-Length"]);
if (content_len > MAX_POST_SIZE) {
throw new Exception(
String.Format("POST Content-Length({0}) too big for this simple server",
content_len));
}
byte[] buf = new byte[BUF_SIZE];
int to_read = content_len;
while (to_read > 0) {
Console.WriteLine("starting Read, to_read={0}", to_read);
int numread = this.inputStream.Read(buf, 0, Math.Min(BUF_SIZE, to_read));
Console.WriteLine("read finished, numread={0}", numread);
if (numread == 0) {
if (to_read == 0) {
break;
} else {
throw new Exception("client disconnected during post");
}
}
to_read -= numread;
ms.Write(buf, 0, numread);
}
ms.Seek(0, SeekOrigin.Begin);
}
Console.WriteLine("get post data end");
srv.handlePOSTRequest(this, new StreamReader(ms));
}
public void writeSuccess() {
outputStream.WriteLine("HTTP/1.0 200 OK");
outputStream.WriteLine("Content-Type: text/html");
outputStream.WriteLine("Connection: close");
outputStream.WriteLine("");
}
public void writeFailure() {
outputStream.WriteLine("HTTP/1.0 404 File not found");
outputStream.WriteLine("Connection: close");
outputStream.WriteLine("");
}
}
public abstract class HttpServer {
protected int port;
TcpListener listener;
bool is_active = true;
public HttpServer(int port) {
this.port = port;
}
public void listen() {
listener = new TcpListener(IPAddress.Any, port);
listener.Start();
while (is_active) {
TcpClient s = listener.AcceptTcpClient();
HttpProcessor processor = new HttpProcessor(s, this);
Thread thread = new Thread(new ThreadStart(processor.process));
thread.Start();
Thread.Sleep(1);
}
}
public abstract void handleGETRequest(HttpProcessor p);
public abstract void handlePOSTRequest(HttpProcessor p, StreamReader inputData);
}
/* http請求處理 */
public class MyHttpServer : HttpServer {
public MyHttpServer(int port)
: base(port) {
}
public override void handleGETRequest(HttpProcessor p) {
Console.WriteLine("request: {0}", p.http_url);
p.writeSuccess();
p.outputStream.WriteLine("<html><body><h1>test server</h1>");
p.outputStream.WriteLine("Current Time: " + DateTime.Now.ToString());
p.outputStream.WriteLine("url : {0}", p.http_url);
VisualCardClass vcd = new VisualCardClass();
int i = vcd.Open(1, 1, 1, 1);
p.outputStream.WriteLine("return"+ i);
p.outputStream.WriteLine("<form method=post action=/form>");
p.outputStream.WriteLine("<input type=text name=foo value=foovalue>");
p.outputStream.WriteLine("<input type=submit name=bar value=barvalue>");
p.outputStream.WriteLine("</form>");
}
public override void handlePOSTRequest(HttpProcessor p, StreamReader inputData) {
Console.WriteLine("POST request: {0}", p.http_url);
string data = inputData.ReadToEnd();
p.writeSuccess();
p.outputStream.WriteLine("<html><body><h1>test server</h1>");
p.outputStream.WriteLine("<a href=/test>return</a><p>");
p.outputStream.WriteLine("postbody: <pre>{0}</pre>", data);
}
}
public class TestMain {
public static int Main(String[] args) {
HttpServer httpServer;
if (args.GetLength(0) > 0) {
httpServer = new MyHttpServer(Convert.ToInt16(args[0]));
} else {
httpServer = new MyHttpServer(8080);
}
Thread thread = new Thread(new ThreadStart(httpServer.listen));
thread.Start();
return 0;
}
}
}
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