1 files changed, 124 insertions, 0 deletions
diff --git a/ACE/examples/Web_Crawler/Options.h b/ACE/examples/Web_Crawler/Options.h
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+++ b/ACE/examples/Web_Crawler/Options.h
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+/* -*- C++ -*- */
+// $Id$
+
+// ============================================================================
+//
+// = LIBRARY
+//    examples/Web_Crawler
+//
+// = FILENAME
+//    Options.h
+//
+// = AUTHOR
+//    Douglas C. Schmidt <schmidt@cs.wustl.edu>
+//
+// ============================================================================
+
+#ifndef _OPTIONS_H
+#define _OPTIONS_H
+
+#include "ace/Null_Mutex.h"
+#include "ace/Singleton.h"
+#include "ace/Time_Value.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+// Forward decls.
+class Command_Processor;
+class URL_Visitor;
+
+class Options
+{
+  // = TITLE
+  //   Maintains the global options.
+  //
+  // = DESCRIPTION
+  //   This class is converted into a Singleton by the
+  //   <ACE_Singleton> template.
+public:
+  int parse_args (int argc, ACE_TCHAR *argv[]);
+  // Parse the command-line arguments and initialize the options.
+
+  int recurse (void) const;
+  // If non-0 and the link is an HTML file then recursively check all
+  // links that are embedded in the body of file.
+
+  const ACE_TCHAR *hostname (void) const;
+  // Return the hostname of the initial Web server.
+
+  const ACE_TCHAR *path_name (void) const;
+  // Return the initial URI.
+
+  const ACE_TCHAR *url_filter (void) const;
+  // String used to filter out which URLs to validate.
+
+  int debug (void) const;
+  // Are we debugging?
+
+  int verbose (void) const;
+  // Are we being verbose?
+
+  const ACE_TCHAR *order (void) const;
+  // Which order? LIFO|FIFO??
+
+  int port_no (void) const;
+  // Port #
+
+  const ACE_Time_Value *timeout (void) const;
+  // Return the timeout used to prevent hanging on <recv> and
+  // <connect> calls to broken servers.
+
+  // = Get/set the <Command_Processor>.
+  Command_Processor *command_processor (void) const;
+  void command_processor (Command_Processor *);
+
+  // = Get/set the <URL_Visitor>.
+  URL_Visitor *visitor (void) const;
+  void visitor (URL_Visitor *);
+
+  // Get the handle_limit.
+  int handle_limit (void);
+private:
+  int recurse_;
+  // Are we recursving.
+
+  const ACE_TCHAR *hostname_;
+  // Initial Web server name.
+
+  const ACE_TCHAR *uri_;
+  // Initial URI name.
+
+  int debug_;
+  // Are we debugging?
+
+  int verbose_;
+  // Are we being verbose?
+
+  const ACE_TCHAR *order_;
+  // Whether the URLs are traversed in FIFO or LIFO order.
+
+  ACE_Time_Value timeout_;
+  // Timeout on <recv> and <connect> to broken Web servers.
+
+  const ACE_TCHAR *url_filter_;
+  // String used to filter out which URLs to validate.
+
+  Command_Processor *command_processor_;
+  // Pointer to the Command_Processor.
+
+  URL_Visitor *visitor_;
+  // Pointer to the <URL_Visitor>.
+
+  int port_no_;
+  // Port no.
+
+  int handle_limit_;
+  // The limit of the number of descriptors to be given for this process.
+};
+
+// Typedef an Options Singleton.
+typedef ACE_Singleton <Options, ACE_Null_Mutex> OPTIONS;
+
+#endif /* _OPTIONS_H */