| Index: libsrtp/crypto/replay/ut_sim.c
|
| ===================================================================
|
| --- libsrtp/crypto/replay/ut_sim.c (revision 0)
|
| +++ libsrtp/crypto/replay/ut_sim.c (revision 0)
|
| @@ -0,0 +1,105 @@
|
| +/*
|
| + * ut_sim.c
|
| + *
|
| + * an unreliable transport simulator
|
| + * (for testing replay databases and suchlike)
|
| + *
|
| + * David A. McGrew
|
| + * Cisco Systems, Inc.
|
| + */
|
| +
|
| +/*
|
| + *
|
| + * Copyright (c) 2001-2006, Cisco Systems, Inc.
|
| + * All rights reserved.
|
| + *
|
| + * Redistribution and use in source and binary forms, with or without
|
| + * modification, are permitted provided that the following conditions
|
| + * are met:
|
| + *
|
| + * Redistributions of source code must retain the above copyright
|
| + * notice, this list of conditions and the following disclaimer.
|
| + *
|
| + * Redistributions in binary form must reproduce the above
|
| + * copyright notice, this list of conditions and the following
|
| + * disclaimer in the documentation and/or other materials provided
|
| + * with the distribution.
|
| + *
|
| + * Neither the name of the Cisco Systems, Inc. nor the names of its
|
| + * contributors may be used to endorse or promote products derived
|
| + * from this software without specific prior written permission.
|
| + *
|
| + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
| + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
| + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
| + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
| + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
| + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
| + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
| + * OF THE POSSIBILITY OF SUCH DAMAGE.
|
| + *
|
| + */
|
| +
|
| +
|
| +#include "ut_sim.h"
|
| +
|
| +
|
| +int
|
| +ut_compar(const void *a, const void *b) {
|
| + return rand() > (RAND_MAX/2) ? -1 : 1;
|
| +}
|
| +
|
| +void
|
| +ut_init(ut_connection *utc) {
|
| + int i;
|
| + utc->index = 0;
|
| +
|
| + for (i=0; i < UT_BUF; i++)
|
| + utc->buffer[i] = i;
|
| +
|
| + qsort(utc->buffer, UT_BUF, sizeof(uint32_t), ut_compar);
|
| +
|
| + utc->index = UT_BUF - 1;
|
| +}
|
| +
|
| +uint32_t
|
| +ut_next_index(ut_connection *utc) {
|
| + uint32_t tmp;
|
| +
|
| + tmp = utc->buffer[0];
|
| + utc->index++;
|
| + utc->buffer[0] = utc->index;
|
| +
|
| + qsort(utc->buffer, UT_BUF, sizeof(uint32_t), ut_compar);
|
| +
|
| + return tmp;
|
| +}
|
| +
|
| +
|
| +
|
| +#ifdef UT_TEST
|
| +
|
| +#include <stdio.h>
|
| +
|
| +int
|
| +main() {
|
| + uint32_t i, irecvd, idiff;
|
| + ut_connection utc;
|
| +
|
| + ut_init(&utc);
|
| +
|
| + for (i=0; i < 1000; i++) {
|
| + irecvd = ut_next_index(&utc);
|
| + idiff = i - irecvd;
|
| + printf("%lu\t%lu\t%d\n", i, irecvd, idiff);
|
| + }
|
| +
|
| + return 0;
|
| +}
|
| +
|
| +
|
| +#endif
|
|
|
| Property changes on: libsrtp/crypto/replay/ut_sim.c
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
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|
|