[PATCH] osmo-pcu[master]: Add test case for decompression of compressed bitmap

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pravin gerrit-no-reply at lists.osmocom.org
Fri Jun 24 14:27:51 UTC 2016


Review at  https://gerrit.osmocom.org/417

Add test case for decompression of compressed bitmap

Test case is added to validate decompressed result of the bitmap
present in EPDAN.
Test is done for multiple bitmaps of varying length.

Change-Id: I0f26ec3d9eeace4ea8396ad5786a988fb58cf445
---
M tests/tbf/TbfTest.cpp
1 file changed, 109 insertions(+), 15 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/17/417/1

diff --git a/tests/tbf/TbfTest.cpp b/tests/tbf/TbfTest.cpp
index e1be844..5f293d1 100644
--- a/tests/tbf/TbfTest.cpp
+++ b/tests/tbf/TbfTest.cpp
@@ -26,10 +26,11 @@
 #include "pcu_utils.h"
 #include "gprs_bssgp_pcu.h"
 #include "pcu_l1_if.h"
-
+#include "egprs_rlc_compression.h"
+#include "decoding.h"
 extern "C" {
 #include "pcu_vty.h"
-
+#include <osmocom/core/bitcomp.h>
 #include <osmocom/core/application.h>
 #include <osmocom/core/msgb.h>
 #include <osmocom/core/talloc.h>
@@ -38,9 +39,30 @@
 }
 
 #include <errno.h>
-
+#define NUMBER_OF_TEST_CASE 4
+#define NEW 1
+#define DELTA 1000
 void *tall_pcu_ctx;
 int16_t spoof_mnc = 0, spoof_mcc = 0;
+struct test_data {
+	int8_t crbb_len;
+	uint8_t cc ;
+	uint8_t data[23];
+	uint8_t exp_data[40];
+	int exp_len;
+}test[4] = { { (int8_t)67, (uint8_t)1,{0x02, 0x0c, 0xa0, 0x30, 0xcb, 0x1a, 0x0c, 0xe3, 0x6c},
+		{0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x01, 0xff, 0xff, 0xff, 0xf8, 0x00,
+		0x00, 0x00, 0xff, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff,
+		0xdb}, (int)194},
+		{(int8_t)40, (uint8_t)1, {0x53,0x06,0xc5,0x40,0x6d}, {0xff, 0xff, 0xff, 0xff, 0xff,
+		0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0x00,
+		0x00, 0x00, 0x00, 0x03}, (int)182},
+		{ (int8_t)8, (uint8_t)1, {0x02}, {0xff, 0xff, 0xff, 0xf8}, (int)29},
+		{ (int8_t)103,(uint8_t)1, {0x02, 0x0c, 0xe0, 0x41, 0xa0, 0x0c, 0x36, 0x0d, 0x03,
+		0x71, 0xb0, 0x6e, 0x24}, {0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xff, 0xff,
+		0xf8, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x0f, 0xff, 0xff, 0xff,
+		0xe0, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xff, 0x80, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff} ,
+		(int)288} };
 
 static void check_tbf(gprs_rlcmac_tbf *tbf)
 {
@@ -51,19 +73,90 @@
 		OSMO_ASSERT(tbf->T != 0);
 }
 
-/*
-static unsigned inc_fn(fn)
+/* To verify the result with expected result */
+int check_result(bitvec bits, uint8_t *exp_data, int exp_len)
 {
-	unsigned next_fn;
+	if (bits.cur_bit != exp_len)
+		return 0;
+	size_t n = (exp_len / 8);
+	int rem = (exp_len % 8);
+	if (memcmp (exp_data, bits.data, n) == 0) {
+		if (rem == 0)
+			return 1;
+			int i = 0, bytes = 7;
 
-	next_fn = fn + 4;
-	if ((block_nr % 3) == 2)
-		next_fn ++;
-	next_fn = next_fn % 2715648;
-
-	return next_fn;
+			for (i ; i < rem ; i++) {
+				if (((((bits.data[n]))>>(bytes-i)) & 1) == ((((*(exp_data + n))>>(bytes-i)) & 1)))
+				;
+				else
+					break;
+				}
+				if (i == rem) {
+					return 1;
+				} else {
+					return 0;
+			}
+	} else {
+		return 0;
+	}
 }
-*/
+/*  To check time taken to decode crbb by Tree based method
+ *  and to verify the result with expected result */
+void test_EPDAN_time_tree(int test_run, int verify)
+{
+	int itr = 0;
+	long long int min_tree = 0, max_tree = 0, sum = 0, avg = 0;
+	float avg_tree = 0;
+	bitvec bits;
+	struct bitvec data1;
+	for (itr ; itr < NUMBER_OF_TEST_CASE ; itr++) {
+		int  loop = 0, init_flag = 1, first = 0, last = 0, count = 0;
+		avg_tree = 0 , min_tree = 0 , max_tree = 0;
+		while (loop++ < test_run) {
+			data1.data_len = ((test[itr].crbb_len + 7)/8);
+			data1.cur_bit = test[itr].crbb_len;
+			struct timeval t0, t1;
+			data1.data = test[itr].data;
+			uint8_t bits_data[RLC_EGPRS_MAX_WS/8];
+			bits.data = bits_data;
+			bits.data_len = sizeof(bits_data);
+			bits.cur_bit = 0;
+			gettimeofday(&t0, 0);
+			Decoding::decompress_crbb(test[itr].crbb_len, test[itr].cc, test[itr].data, &bits);
+			gettimeofday(&t1, 0);
+			long long elapsed = (t1.tv_sec-t0.tv_sec)*1000000LL + t1.tv_usec-t0.tv_usec;
+			if (init_flag)
+				init_flag = 0;
+			if (verify) {
+				if (check_result(bits, test[itr].exp_data, test[itr].exp_len) == 0) {
+					LOGP (DRLCMACDL, LOGL_DEBUG, "Tree based decoding :Error\n");
+					OSMO_ASSERT(0) ;
+				}
+			}
+			if (loop == 1) {
+				first = elapsed;
+				min_tree = elapsed;
+				max_tree = elapsed;
+				sum = elapsed;
+				avg = elapsed;
+				avg_tree = elapsed;
+			} else {
+				if (loop == test_run-1)
+					last = elapsed;
+				if (elapsed > (avg+DELTA))
+					count++;
+				sum = sum + elapsed;
+				avg = sum / loop;
+				if (min_tree > elapsed)
+					min_tree = elapsed;
+				if (max_tree < elapsed)
+					max_tree = elapsed;
+				avg_tree = avg_tree + elapsed;
+			}
+		}
+			avg_tree = (avg_tree / test_run);
+	}
+}
 
 static void test_tbf_base()
 {
@@ -1337,7 +1430,8 @@
 
 	vty_init(&pcu_vty_info);
 	pcu_vty_init(&debug_log_info);
-
+	/*initialization_of_tree*/
+	egprs_compress::instance()->decode_tree_init();
 	test_tbf_base();
 	test_tbf_tlli_update();
 	test_tbf_final_ack(TEST_MODE_STANDARD);
@@ -1356,7 +1450,7 @@
 	test_tbf_ws();
 	test_tbf_egprs_two_phase();
 	test_tbf_egprs_dl();
-
+	test_EPDAN_time_tree(10000, 1);
 	if (getenv("TALLOC_REPORT_FULL"))
 		talloc_report_full(tall_pcu_ctx, stderr);
 	return EXIT_SUCCESS;

-- 
To view, visit https://gerrit.osmocom.org/417
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I0f26ec3d9eeace4ea8396ad5786a988fb58cf445
Gerrit-PatchSet: 1
Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Owner: pravin <pravin.manoharan at radisys.com>



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