Initial commit

2020-09-20 12:16:44 +00:00
parent 09a4460ddb
commit 408c005d3e
839 changed files with 190481 additions and 0 deletions
--- a/common/rfb/HTTPServer.h
+++ b/common/rfb/HTTPServer.h
@@ -0,0 +1,111 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+// -=- HTTPServer.h
+
+// Single-threaded HTTP server implementation.
+// All I/O is handled by the processSocketEvent routine,
+// which is called by the main-loop of the VNC server whenever
+// there is an event on an HTTP socket.
+
+#ifndef __RFB_HTTP_SERVER_H__
+#define __RFB_HTTP_SERVER_H__
+
+#include <rdr/MemInStream.h>
+#include <rfb/UpdateTracker.h>
+#include <rfb/Configuration.h>
+#include <network/Socket.h>
+#include <time.h>
+
+namespace rfb {
+
+  class HTTPServer : public network::SocketServer {
+  public:
+    // -=- Constructors
+
+    // - HTTPServer(files)
+    //   Create an HTTP server which will use the getFile method
+    //   to satisfy HTTP GET requests.
+    HTTPServer();
+
+    virtual ~HTTPServer();
+
+    // SocketServer interface
+
+    // addSocket()
+    //   This causes the server to perform HTTP protocol on the
+    //   supplied socket.
+    virtual void addSocket(network::Socket* sock, bool outgoing=false);
+
+    // removeSocket()
+    //   Could clean up socket-specific resources here.
+    virtual void removeSocket(network::Socket* sock);
+
+    // getSockets() gets a list of sockets.  This can be used to generate an
+    // fd_set for calling select().
+    virtual void getSockets(std::list<network::Socket*>* sockets);
+
+    // processSocketReadEvent()
+    //   The platform-specific side of the server implementation calls
+    //   this method whenever data arrives on one of the active
+    //   network sockets.
+    virtual void processSocketReadEvent(network::Socket* sock);
+
+    // processSocketWriteEvent()
+    //   Similar to processSocketReadEvent(), but called when it is
+    //   possible to write more data to a socket.
+    virtual void processSocketWriteEvent(network::Socket* sock);
+
+    // Check for socket timeouts
+    virtual int checkTimeouts();
+
+
+    // -=- File interface
+
+    // - getFile is passed the path portion of a URL and returns an
+    //   InStream containing the data to return.  If the requested
+    //   file is available then the contentType should be set to the
+    //   type of the file, or left untouched if the file type is to
+    //   be determined automatically by HTTPServer.
+    //   If the file is not available then null is returned.
+    //   Overridden getFile functions should call the default version
+    //   if they do not recognise a path name.
+    //   NB: The caller assumes ownership of the returned InStream.
+    //   NB: The contentType is statically allocated by the getFile impl.
+    //   NB: contentType is *guaranteed* to be valid when getFile is called.
+
+    virtual rdr::InStream* getFile(const char* name, const char** contentType,
+                                   int* contentLength, time_t* lastModified);
+
+    // - guessContentType is passed the name of a file and returns the
+    //   name of an HTTP content type, based on the file's extension.  If
+    //   the extension isn't recognised then defType is returned.  This can
+    //   be used from getFile to easily default to the supplied contentType,
+    //   or by passing zero in to determine whether a type is recognised or
+    //   not.
+
+    static const char* guessContentType(const char* name, const char* defType);
+
+  protected:
+    class Session;
+    std::list<Session*> sessions;
+  };
+}
+
+#endif
+