Rev 1322 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1293 | giacomo | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Giacomo Guidi <giacomo@gandalf.sssup.it> |
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| 10 | * |
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| 11 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 12 | * |
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| 13 | * http://www.sssup.it |
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| 14 | * http://retis.sssup.it |
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| 15 | * http://shark.sssup.it |
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| 16 | */ |
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| 17 | |||
| 1606 | tullio | 18 | /* |
| 19 | * This program is free software; you can redistribute it and/or modify |
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| 20 | * it under the terms of the GNU General Public License as published by |
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| 21 | * the Free Software Foundation; either version 2 of the License, or |
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| 22 | * (at your option) any later version. |
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| 23 | * |
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| 24 | * This program is distributed in the hope that it will be useful, |
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| 25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 27 | * GNU General Public License for more details. |
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| 28 | * |
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| 29 | * You should have received a copy of the GNU General Public License |
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| 30 | * along with this program; if not, write to the Free Software |
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| 31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 32 | * |
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| 33 | */ |
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| 34 | |||
| 1293 | giacomo | 35 | #include <netinet/in.h> |
| 36 | |||
| 37 | #include <sys/socket.h> |
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| 38 | #include <netinet/in.h> |
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| 39 | #include <arpa/inet.h> |
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| 40 | #include <netdb.h> |
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| 41 | #include <stdio.h> |
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| 42 | #include <unistd.h>/* close() */ |
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| 43 | #include <stdlib.h> |
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| 44 | #include <signal.h> |
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| 1322 | giacomo | 45 | #include <string.h> |
| 1293 | giacomo | 46 | |
| 47 | #define SERVER_PORT 20000 |
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| 48 | #define MAX_MSG 10000 |
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| 49 | |||
| 50 | struct tracer_udp_header { |
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| 51 | char id[12]; |
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| 52 | unsigned int pkt_number; |
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| 53 | unsigned int events; |
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| 54 | unsigned int size; |
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| 55 | }; |
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| 56 | |||
| 57 | FILE *output_file; |
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| 58 | |||
| 1304 | giacomo | 59 | int miss; |
| 60 | |||
| 1293 | giacomo | 61 | void close_and_exit() |
| 62 | { |
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| 63 | |||
| 64 | printf("Closing...\n"); |
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| 65 | |||
| 1304 | giacomo | 66 | if (miss == 1) printf("Possible error receiving packets !\n"); |
| 67 | |||
| 1293 | giacomo | 68 | fclose(output_file); |
| 69 | |||
| 70 | exit(0); |
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| 71 | |||
| 72 | } |
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| 73 | |||
| 74 | int main(int argc, char *argv[]) |
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| 75 | { |
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| 1304 | giacomo | 76 | int sd, rc, n, cliLen,count; |
| 1293 | giacomo | 77 | struct sockaddr_in cliAddr, servAddr; |
| 78 | char msg[MAX_MSG]; |
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| 79 | |||
| 80 | struct tracer_udp_header *pkt_head = (struct tracer_udp_header *)(msg); |
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| 81 | |||
| 82 | if (argc < 2) { |
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| 83 | printf("%s: Enter the output file name [%s filename]\n",argv[0],argv[0]); |
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| 84 | exit(1); |
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| 85 | } |
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| 86 | |||
| 87 | // socket creation |
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| 88 | sd = socket(AF_INET, SOCK_DGRAM, 0); |
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| 89 | if(sd < 0) { |
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| 90 | printf("%s: cannot open socket \n",argv[0]); |
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| 91 | exit(1); |
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| 92 | } |
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| 93 | |||
| 94 | output_file = fopen(argv[1],"w+b"); |
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| 95 | if (output_file == NULL) { |
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| 1294 | giacomo | 96 | printf("%s: Cannot open the file\n",argv[0]); |
| 1293 | giacomo | 97 | exit(1); |
| 98 | } |
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| 99 | |||
| 100 | // bind local server port |
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| 101 | servAddr.sin_family = AF_INET; |
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| 102 | |||
| 103 | servAddr.sin_addr.s_addr = htonl(INADDR_ANY); |
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| 104 | servAddr.sin_port = htons(SERVER_PORT); |
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| 105 | |||
| 106 | rc = bind (sd, (struct sockaddr *)&servAddr,sizeof(servAddr)); |
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| 107 | if(rc < 0) { |
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| 108 | printf("%s: cannot bind port number %d \n", |
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| 109 | argv[0], SERVER_PORT); |
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| 110 | exit(1); |
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| 111 | } |
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| 112 | |||
| 113 | signal(SIGINT, close_and_exit); |
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| 114 | |||
| 1304 | giacomo | 115 | count = 1; |
| 116 | miss = 0; |
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| 117 | |||
| 1293 | giacomo | 118 | while(1) { |
| 119 | |||
| 120 | printf("Wait packet...\n"); |
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| 121 | |||
| 122 | // receive message |
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| 123 | cliLen = sizeof(cliAddr); |
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| 124 | n = recvfrom(sd, msg, MAX_MSG, 0,(struct sockaddr *)&cliAddr, &cliLen); |
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| 125 | |||
| 1322 | giacomo | 126 | if (strncmp(pkt_head->id,"TRACER",6)) continue; |
| 127 | |||
| 1293 | giacomo | 128 | printf("Received %d, length %d(%d), %d tracer events.\n", |
| 129 | pkt_head->pkt_number, n, pkt_head->size, pkt_head->events); |
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| 130 | |||
| 1304 | giacomo | 131 | if (pkt_head->pkt_number != count) { |
| 132 | printf("Miss Packet !!!\n"); |
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| 133 | miss = 1; |
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| 134 | } |
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| 135 | |||
| 1322 | giacomo | 136 | if (n > 0) { |
| 1304 | giacomo | 137 | |
| 1322 | giacomo | 138 | count++; |
| 139 | |||
| 140 | fwrite((void *)(msg+sizeof(struct tracer_udp_header)),n-sizeof(struct tracer_udp_header),1,output_file); |
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| 141 | |||
| 1293 | giacomo | 142 | } |
| 143 | |||
| 144 | } |
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| 145 | |||
| 146 | fclose(output_file); |
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| 147 | |||
| 148 | return 0; |
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| 149 | |||
| 150 | } |
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| 151 |