/*
* ut - sim . h
*
* an unreliable transport simulator
* ( for testing replay databases and suchlike )
*
* David A . McGrew
* Cisco Systems , Inc .
*/
/*
*
* Copyright ( c ) 2001 - 2017 , 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 .
*
*/
#ifndef UT_SIM_H
#define UT_SIM_H
#include "integers.h" /* for uint32_t */
#ifdef __cplusplus
extern "C" {
#endif
#define UT_BUF 160 /* maximum amount of packet reorder */
typedef struct {
uint32_t index;
uint32_t buffer[UT_BUF];
} ut_connection;
/*
* ut_init ( & u ) initializes the ut_connection
*
* this function should always be the first one called on a new
* ut_connection
*/
void ut_init(ut_connection *utc);
/*
* ut_next_index ( & u ) returns the next index from the simulated
* unreliable connection
*/
uint32_t ut_next_index(ut_connection *utc);
#ifdef __cplusplus
}
#endif
#endif /* UT_SIM_H */
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