The Tor Browser: netwerk/srtp/src/include/ut

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * ut-sim.h

     3  *

     4  * an unreliable transport simulator

     5  * (for testing replay databases and suchlike)

     6  *

     7  * David A. McGrew

     8  * Cisco Systems, Inc.

     9  */

    11 /*

    12  *

    13  * Copyright (c) 2001-2006, Cisco Systems, Inc.

    14  * All rights reserved.

    15  *

    16  * Redistribution and use in source and binary forms, with or without

    17  * modification, are permitted provided that the following conditions

    18  * are met:

    19  *

    20  *   Redistributions of source code must retain the above copyright

    21  *   notice, this list of conditions and the following disclaimer.

    22  *

    23  *   Redistributions in binary form must reproduce the above

    24  *   copyright notice, this list of conditions and the following

    25  *   disclaimer in the documentation and/or other materials provided

    26  *   with the distribution.

    27  *

    28  *   Neither the name of the Cisco Systems, Inc. nor the names of its

    29  *   contributors may be used to endorse or promote products derived

    30  *   from this software without specific prior written permission.

    31  *

    32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

    35  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE

    36  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,

    37  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    38  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

    39  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

    40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

    41  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    42  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

    43  * OF THE POSSIBILITY OF SUCH DAMAGE.

    44  *

    45  */

    49 #ifndef UT_SIM_H

    50 #define UT_SIM_H

    52 #include "integers.h"  /* for uint32_t */

    54 #define UT_BUF 160      /* maximum amount of packet reorder */

    56 typedef struct {

    57   uint32_t index;

    58   uint32_t buffer[UT_BUF];

    59 } ut_connection;

    61 /*

    62  * ut_init(&u) initializes the ut_connection

    63  *

    64  * this function should always be the first one called on a new

    65  * ut_connection

    66  */

    68 void

    69 ut_init(ut_connection *utc);

    71 /*

    72  * ut_next_index(&u) returns the next index from the simulated

    73  * unreliable connection

    74  */

    76 uint32_t

    77 ut_next_index(ut_connection *utc);

    80 #endif /* UT_SIM_H */

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