summaryrefslogtreecommitdiff
path: root/examples/Reactor/WFMO_Reactor/test_directory_changes.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'examples/Reactor/WFMO_Reactor/test_directory_changes.cpp')
-rw-r--r--examples/Reactor/WFMO_Reactor/test_directory_changes.cpp115
1 files changed, 115 insertions, 0 deletions
diff --git a/examples/Reactor/WFMO_Reactor/test_directory_changes.cpp b/examples/Reactor/WFMO_Reactor/test_directory_changes.cpp
new file mode 100644
index 00000000000..48c486380cb
--- /dev/null
+++ b/examples/Reactor/WFMO_Reactor/test_directory_changes.cpp
@@ -0,0 +1,115 @@
+// $Id$
+//
+// ============================================================================
+//
+// = LIBRARY
+// examples
+//
+// = FILENAME
+// test_directory_changes.cpp
+//
+// = DESCRIPTION
+//
+// This application tests the working of WFMO_Reactor when users
+// are interested in monitoring changes in the filesystem.
+//
+// = AUTHOR
+// Irfan Pyarali
+//
+// ============================================================================
+
+#include "ace/Reactor.h"
+
+ACE_RCSID(WFMO_Reactor, test_directory_changes, "$Id$")
+
+static int stop_test = 0;
+static const ACE_TCHAR *directory = ACE_TEXT (".");
+static const ACE_TCHAR *temp_file = ACE_TEXT ("foo");
+
+class Event_Handler : public ACE_Event_Handler
+{
+public:
+ Event_Handler (ACE_Reactor &reactor);
+ ~Event_Handler (void);
+ int handle_signal (int signum, siginfo_t * = 0, ucontext_t * = 0);
+ int handle_close (ACE_HANDLE handle,
+ ACE_Reactor_Mask close_mask);
+
+private:
+ ACE_HANDLE handle_;
+};
+
+Event_Handler::Event_Handler (ACE_Reactor &reactor)
+ : handle_ (ACE_INVALID_HANDLE)
+{
+ this->reactor (&reactor);
+
+ int change_notification_flags = FILE_NOTIFY_CHANGE_FILE_NAME;
+
+ this->handle_ = ACE_TEXT_FindFirstChangeNotification (directory, // pointer to name of directory to watch
+ FALSE, // flag for monitoring directory or directory tree
+ change_notification_flags // filter conditions to watch for
+ );
+ if (this->handle_ == ACE_INVALID_HANDLE)
+ ACE_ERROR ((LM_ERROR, "FindFirstChangeNotification could not be setup\n"));
+
+ if (this->reactor ()->register_handler (this,
+ this->handle_) != 0)
+ ACE_ERROR ((LM_ERROR, "Registration with Reactor could not be done\n"));
+}
+
+Event_Handler::~Event_Handler (void)
+{
+}
+
+int
+Event_Handler::handle_signal (int signum, siginfo_t *, ucontext_t *)
+{
+ ::FindNextChangeNotification (this->handle_);
+ if (stop_test)
+ this->reactor ()->close ();
+ return 0;
+}
+
+int
+Event_Handler::handle_close (ACE_HANDLE handle,
+ ACE_Reactor_Mask close_mask)
+{
+ ACE_DEBUG ((LM_DEBUG, "Event_Handler removed from Reactor\n"));
+ ::FindCloseChangeNotification (this->handle_);
+ return 0;
+}
+
+void
+worker (void)
+{
+ ACE_DEBUG ((LM_DEBUG, "(%t) Thread creation\n"));
+ ACE_DEBUG ((LM_DEBUG, "(%t) Thread creating temporary file\n"));
+ ACE_HANDLE file = ACE_OS::open (temp_file, _O_CREAT | _O_EXCL);
+ if (file == ACE_INVALID_HANDLE)
+ ACE_ERROR ((LM_ERROR, "Error in creating %s: %p\n", temp_file, "ACE_OS::open"));
+ else
+ {
+ ACE_OS::close (file);
+ ACE_DEBUG ((LM_DEBUG, "(%t) Thread sleeping\n"));
+ ACE_OS::sleep (3);
+ ACE_DEBUG ((LM_DEBUG, "(%t) Thread removing temporary file\n"));
+ stop_test = 1;
+ ACE_OS::unlink (temp_file);
+ }
+}
+
+int
+main (int, char *[])
+{
+ ACE_Reactor reactor;
+ Event_Handler handler (reactor);
+
+ int result = ACE_OS::thr_create ((ACE_THR_FUNC) worker, 0, 0, 0);
+ ACE_ASSERT (result == 0);
+
+ for (result = 0; result != -1; result = reactor.handle_events ())
+ continue;
+
+ return 0;
+}