1 files changed, 93 insertions, 0 deletions
diff --git a/rttmissings.c b/rttmissings.c
new file mode 100644
index 0000000..774e8b2
--- /dev/null
+++ b/rttmissings.c
@@ -0,0 +1,93 @@
+/* 
+   Copyright (C)  2006 Renaissance Technologies Corp.
+                  main developer: HP Wei <hp@rentec.com> 
+   Copyright (C)  2005 Renaissance Technologies Corp.
+   Copyright (C)  2001 Renaissance Technologies Corp.
+                  main developer: HP Wei <hp@rentec.com>
+
+   This program 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, or (at your option)
+   any later version.
+
+   This program 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 program; see the file COPYING.
+   If not, write to the Free Software Foundation,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+*/
+
+#include "rttmain.h"
+
+char * missingPages = NULL;            /* array of flags */
+int    nPages;
+
+int init_missingPages(int n)
+{
+  int i;  
+
+  nPages = n;
+
+  /* init missingPages flags */
+  if (missingPages != NULL) free(missingPages); /* for second round */
+  missingPages =  malloc(sizeof(char) * nPages);  
+  for(i=0; i < nPages; ++i)
+    missingPages[i] = MISSING;
+
+  return 0;
+}
+
+int get_total_pages()
+{
+  return nPages;
+}
+
+int missing_pages()
+{
+  int result; 
+  int i;
+ 
+  result = 0;
+
+  for(i=0; i < nPages; ++i) 
+    if ((missingPages[i]) == MISSING) ++result;
+  return result;
+}
+
+int is_missing(int page)
+{
+  return (missingPages[page] == MISSING) ?  1 : 0;
+}
+
+void page_received(int page)
+{
+  missingPages[page] = RECEIVED;
+}
+
+int ask_for_missing_page()
+{
+  int i; 
+  int n, count;
+ 
+  n = missing_pages();
+  if (n == 0) {
+    /* send_complaint(EOF_OK, machineID, 0); */
+    return 0; /* nothing is missing */
+  }
+ 
+  count = 0;
+  for(i=0; i < nPages; ++i) {
+    if ( missingPages[i] == MISSING ) {
+      ++count;
+      send_complaint((count==n) ? LAST_MISSING : MISSING_PAGE, i+1);
+      usleep(DT_PERPAGE);   
+    }
+  }
+    
+  return 1;  /* there is something missing */
+}
+