commit svn HEAD of blip into core to start merge testing

[tinyos-2.x.git] / support / sdk / c / blip / libtcp / test_circ.c

diff --git a/support/sdk/c/blip/libtcp/test_circ.c b/support/sdk/c/blip/libtcp/test_circ.c
index b6ae8fc167d45b6f06078a3e7e6291ba50ee59c8..a8a6edd7eadcb5be7de1dbcd0e1d00d0edea81c8 100644 (file)
--- a/support/sdk/c/blip/libtcp/test_circ.c
+++ b/support/sdk/c/blip/libtcp/test_circ.c
@@ -1,16 +1,38 @@
+/*
+ * "Copyright (c) 2008, 2009 The Regents of the University  of California.
+ * All rights reserved."
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
+ * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS."
+ *
+ */
 
 #include <stdio.h>
+#include <string.h>
 #include "circ.h"
 
-void do_head_read(void *buf) {
-  char *read_data;
-  int i, data_len;
-  data_len = circ_buf_read_head(buf, (void **)&read_data);
-  printf("buf_read_head: %i\n", data_len);
-  for (i = 0; i < data_len; i++)
-    putc(((char *)read_data)[i], stdout);
-  putc('\n', stdout);
-}
+/* void do_head_read(void *buf) { */
+/*   char *read_data; */
+/*   int i, data_len; */
+/*   data_len = circ_buf_read_head(buf, (void **)&read_data); */
+/*   printf("buf_read_head: %i\n", data_len); */
+/*   for (i = 0; i < data_len; i++) */
+/*     putc(((char *)read_data)[i], stdout); */
+/*   putc('\n', stdout); */
+/* } */
 
 void do_read(void *buf, uint32_t sseqno) {
   char data[20];
@@ -29,7 +51,9 @@ int main(int argc, char **argv) {
   char data[20], readbuf[30];
   int i = 20, data_len;
   char *read_data;
-  if (circ_buf_init(buf, 200, 0, 1) < 0)
+  memset(buf, 0, sizeof(buf));
+
+  if (circ_buf_init(buf, 200, 0) < 0)
     printf("cir_buf_init: error\n");
 
   for (i=0;i<20;i++)
@@ -38,29 +62,51 @@ int main(int argc, char **argv) {
   if (circ_buf_write(buf, 0, data, 20) < 0)
     printf("circ_buf_write: error\n");
 
+  circ_buf_dump(buf);
+
   if (circ_buf_write(buf, 10, data, 20) < 0)
     printf("circ_buf_write: error\n");
 
+  circ_buf_dump(buf);
+
 
   if (circ_buf_write(buf, 50, data, 20) < 0)
     printf("circ_buf_write: error\n");
 
-  circ_buf_dump(buf);
+  // circ_buf_dump(buf);
 
-  do_head_read(buf);
-  circ_buf_dump(buf);
+  // do_head_read(buf);
+  // circ_buf_dump(buf);
 
   if (circ_buf_write(buf, 30, data, 20) < 0)
     printf("circ_buf_write: error\n");
 
-  circ_buf_dump(buf);
+  // circ_buf_dump(buf);
 
   if (circ_buf_write(buf, 70, data, 20) < 0)
     printf("circ_buf_write: error\n");
 
   circ_buf_dump(buf);
 
-  do_read(buf, 50);
+  circ_shorten_head(buf, 10);
+  circ_buf_dump(buf);
+
+  memset(buf, 0, sizeof(buf));
+
+  if (circ_buf_init(buf, 200, 0) < 0)
+    printf("cir_buf_init: error\n");
+
+  printf("\n\nRESTART\n\n");
+  
+  for (i = 0; i < 25; i++) {
+    circ_buf_write(buf, i * 20, data, 20);
+    do_read(buf, i * 20);
+    circ_shorten_head(buf, (i > 0) ? (i - 1) * 20 : 0 * 10);
+    circ_buf_dump(buf);
+  }
+
+  // do_read(buf, 50);
+
 /*   do_head_read(buf); */
 /*   circ_buf_dump(buf); */