mirror of
https://github.com/kunkundi/crossdesk.git
synced 2025-10-27 04:35:34 +08:00
104 lines
3.7 KiB
C
Executable File
104 lines
3.7 KiB
C
Executable File
/* $Id: simple_client_server.h 207 2014-12-10 19:47:50Z roca $ */
|
|
/*
|
|
* OpenFEC.org AL-FEC Library.
|
|
* (c) Copyright 2009-2014 INRIA - All rights reserved
|
|
* Contact: vincent.roca@inria.fr
|
|
*
|
|
* This software is governed by the CeCILL-C license under French law and
|
|
* abiding by the rules of distribution of free software. You can use,
|
|
* modify and/ or redistribute the software under the terms of the CeCILL-C
|
|
* license as circulated by CEA, CNRS and INRIA at the following URL
|
|
* "http://www.cecill.info".
|
|
*
|
|
* As a counterpart to the access to the source code and rights to copy,
|
|
* modify and redistribute granted by the license, users are provided only
|
|
* with a limited warranty and the software's author, the holder of the
|
|
* economic rights, and the successive licensors have only limited
|
|
* liability.
|
|
*
|
|
* In this respect, the user's attention is drawn to the risks associated
|
|
* with loading, using, modifying and/or developing or reproducing the
|
|
* software by the user in light of its specific status of free software,
|
|
* that may mean that it is complicated to manipulate, and that also
|
|
* therefore means that it is reserved for developers and experienced
|
|
* professionals having in-depth computer knowledge. Users are therefore
|
|
* encouraged to load and test the software's suitability as regards their
|
|
* requirements in conditions enabling the security of their systems and/or
|
|
* data to be ensured and, more generally, to use and operate it in the
|
|
* same conditions as regards security.
|
|
*
|
|
* The fact that you are presently reading this means that you have had
|
|
* knowledge of the CeCILL-C license and that you accept its terms.
|
|
*/
|
|
|
|
#include <arpa/inet.h>
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <math.h>
|
|
#include <netinet/in.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/time.h> /* for gettimeofday */
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#include "lib_common/of_openfec_api.h"
|
|
#ifdef __cplusplus
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
* OS dependant definitions
|
|
*/
|
|
#define SOCKET int
|
|
#define SOCKADDR struct sockaddr
|
|
#define SOCKADDR_IN struct sockaddr_in
|
|
#define INVALID_SOCKET (-1)
|
|
#define SOCKET_ERROR (-1)
|
|
#define closesocket close
|
|
#define SLEEP(t) usleep(t * 1000)
|
|
|
|
/*
|
|
* Simulation parameters...
|
|
* Change as required
|
|
*/
|
|
#define SYMBOL_SIZE \
|
|
1024 /* symbol size, in bytes (must be multiple of 4 in this simple example) \
|
|
*/
|
|
#define DEFAULT_K 100 /* default k value */
|
|
#define CODE_RATE 0.667 /* k/n = 2/3 means we add 50% of repair symbols */
|
|
#define LOSS_RATE \
|
|
0.30 /* we consider 30% of packet losses... It assumes there's no additional \
|
|
loss during UDP transmissions */
|
|
|
|
#define VERBOSITY \
|
|
2 /* Define the verbosity level: \
|
|
* 0 : no trace \
|
|
* 1 : main traces \
|
|
* 2 : full traces with packet dumps */
|
|
|
|
#define DEST_IP "127.0.0.1" /* Destination IPv4 address */
|
|
#define DEST_PORT 10978 /* Destination port (UDP) */
|
|
|
|
/*
|
|
* Simplified FEC Object Transmission Information structure, used to synchronize
|
|
* sender and receiver.
|
|
*
|
|
* NB: all the fields MUST be in Network Endian while sent over the network, so
|
|
* use htonl (resp. ntohl) at the sender (resp. receiver).
|
|
*/
|
|
typedef struct {
|
|
UINT32 codec_id; /* identifies the code/codec being used. In practice, the
|
|
* "FEC encoding ID" that identifies the FEC Scheme should be
|
|
* used instead (see [RFC5052]). In our example, we are not
|
|
* compliant with the RFCs anyway, so keep it simple. */
|
|
UINT32 k;
|
|
UINT32 n;
|
|
} fec_oti_t;
|