Subversion Repositories shark

Rev

Rev 951 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
951 trimarchi 1
/*
2
 * Project: S.Ha.R.K.
3
 *
4
 * Coordinators:
5
 *   Giorgio Buttazzo    <giorgio@sssup.it>
6
 *   Paolo Gai           <pj@gandalf.sssup.it>
7
 *
8
 * Authors     :
9
 *    Giacomo Guidi      <giacomo@gandalf.sssup.it>
10
 *
11
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
12
 *
13
 * http://www.sssup.it
14
 * http://retis.sssup.it
15
 * http://shark.sssup.it
16
 */
17
 
1063 tullio 18
/*
19
 * This program is free software; you can redistribute it and/or modify
20
 * it under the terms of the GNU General Public License as published by
21
 * the Free Software Foundation; either version 2 of the License, or
22
 * (at your option) any later version.
23
 *
24
 * This program is distributed in the hope that it will be useful,
25
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27
 * GNU General Public License for more details.
28
 *
29
 * You should have received a copy of the GNU General Public License
30
 * along with this program; if not, write to the Free Software
31
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
32
 *
33
 */
34
 
951 trimarchi 35
#include <netinet/in.h>
36
 
37
#include <sys/socket.h>
38
#include <netinet/in.h>
39
#include <arpa/inet.h>
40
#include <netdb.h>
41
#include <stdio.h>
42
#include <unistd.h>/* close() */
43
#include <stdlib.h>
44
#include <signal.h>
45
#include <string.h>
46
 
47
#define SERVER_PORT 24000 
48
#define MAX_MSG 10000
49
 
50
struct tests_udp_header {
51
  char id[12];
52
  unsigned int pkt_number;
53
  unsigned int size;
54
};
55
 
56
FILE *output_file;
57
 
58
int miss;
59
 
60
void close_and_exit()
61
{
62
 
63
  printf("Closing...\n");
64
 
65
  if (miss == 1) printf("Possible error receiving packets !\n");
66
 
67
  fclose(output_file);
68
 
69
  exit(0);
70
 
71
}
72
 
73
int main(int argc, char *argv[])
74
{
75
  int sd, rc, n, cliLen,count;
76
  struct sockaddr_in cliAddr, servAddr;
77
  char msg[MAX_MSG];
78
 
79
  struct tests_udp_header *pkt_head = (struct tests_udp_header *)(msg);
80
 
81
  if (argc < 2) {
82
    printf("%s: Enter the output file name [%s filename]\n",argv[0],argv[0]);
83
    exit(1);
84
  }
85
 
86
  // socket creation
87
  sd = socket(AF_INET, SOCK_DGRAM, 0);
88
  if(sd < 0) {
89
    printf("%s: cannot open socket \n",argv[0]);
90
    exit(1);
91
  }
92
 
93
  output_file = fopen(argv[1],"w+b");
94
  if (output_file == NULL) {
95
    printf("%s: Cannot open the file\n",argv[0]);
96
    exit(1);
97
  }
98
 
99
  // bind local server port
100
  servAddr.sin_family = AF_INET;
101
 
102
  servAddr.sin_addr.s_addr = htonl(INADDR_ANY);
103
  servAddr.sin_port = htons(SERVER_PORT);
104
 
105
  rc = bind (sd, (struct sockaddr *)&servAddr,sizeof(servAddr));
106
  if(rc < 0) {
107
    printf("%s: cannot bind port number %d \n",
108
           argv[0], SERVER_PORT);
109
    exit(1);
110
  }
111
 
112
  signal(SIGINT, close_and_exit);
113
 
114
  count = 1;
115
  miss = 0;
116
 
117
  while(1) {
118
 
119
    printf("Wait packet...\n");
120
 
121
    // receive message
122
    cliLen = sizeof(cliAddr);
123
    n = recvfrom(sd, msg, MAX_MSG, 0,(struct sockaddr *)&cliAddr, &cliLen);
124
 
125
    //if (strncmp(pkt_head->id,"TESTS",6)) continue;
126
 
127
    printf("Received %d, length %d(%d)\n",
128
                pkt_head->pkt_number, n, pkt_head->size);
129
 
130
    if (pkt_head->pkt_number != count) {
131
      printf("Miss Packet !!!\n");
132
      miss = 1;
133
    }
134
 
135
    if (n > 0) {
136
 
137
      count++;
138
 
139
      fwrite((void *)(msg+sizeof(struct tests_udp_header)),n-sizeof(struct tests_udp_header),1,output_file);
140
 
141
    }
142
 
143
  }
144
 
145
  fclose(output_file);
146
 
147
  return 0;
148
 
149
}
150