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| Rev | Author | Line No. | Line |
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| 951 | trimarchi | 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 | |||
| 18 | #include <netinet/in.h> |
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| 19 | |||
| 20 | #include <sys/socket.h> |
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| 21 | #include <netinet/in.h> |
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| 22 | #include <arpa/inet.h> |
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| 23 | #include <netdb.h> |
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| 24 | #include <stdio.h> |
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| 25 | #include <unistd.h>/* close() */ |
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| 26 | #include <stdlib.h> |
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| 27 | #include <signal.h> |
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| 28 | #include <string.h> |
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| 29 | |||
| 30 | #define SERVER_PORT 24000 |
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| 31 | #define MAX_MSG 10000 |
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| 32 | |||
| 33 | struct tests_udp_header { |
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| 34 | char id[12]; |
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| 35 | unsigned int pkt_number; |
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| 36 | unsigned int size; |
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| 37 | }; |
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| 38 | |||
| 39 | FILE *output_file; |
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| 40 | |||
| 41 | int miss; |
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| 42 | |||
| 43 | void close_and_exit() |
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| 44 | { |
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| 45 | |||
| 46 | printf("Closing...\n"); |
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| 47 | |||
| 48 | if (miss == 1) printf("Possible error receiving packets !\n"); |
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| 49 | |||
| 50 | fclose(output_file); |
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| 51 | |||
| 52 | exit(0); |
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| 53 | |||
| 54 | } |
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| 55 | |||
| 56 | int main(int argc, char *argv[]) |
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| 57 | { |
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| 58 | int sd, rc, n, cliLen,count; |
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| 59 | struct sockaddr_in cliAddr, servAddr; |
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| 60 | char msg[MAX_MSG]; |
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| 61 | |||
| 62 | struct tests_udp_header *pkt_head = (struct tests_udp_header *)(msg); |
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| 63 | |||
| 64 | if (argc < 2) { |
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| 65 | printf("%s: Enter the output file name [%s filename]\n",argv[0],argv[0]); |
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| 66 | exit(1); |
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| 67 | } |
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| 68 | |||
| 69 | // socket creation |
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| 70 | sd = socket(AF_INET, SOCK_DGRAM, 0); |
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| 71 | if(sd < 0) { |
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| 72 | printf("%s: cannot open socket \n",argv[0]); |
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| 73 | exit(1); |
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| 74 | } |
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| 75 | |||
| 76 | output_file = fopen(argv[1],"w+b"); |
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| 77 | if (output_file == NULL) { |
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| 78 | printf("%s: Cannot open the file\n",argv[0]); |
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| 79 | exit(1); |
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| 80 | } |
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| 81 | |||
| 82 | // bind local server port |
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| 83 | servAddr.sin_family = AF_INET; |
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| 84 | |||
| 85 | servAddr.sin_addr.s_addr = htonl(INADDR_ANY); |
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| 86 | servAddr.sin_port = htons(SERVER_PORT); |
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| 87 | |||
| 88 | rc = bind (sd, (struct sockaddr *)&servAddr,sizeof(servAddr)); |
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| 89 | if(rc < 0) { |
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| 90 | printf("%s: cannot bind port number %d \n", |
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| 91 | argv[0], SERVER_PORT); |
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| 92 | exit(1); |
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| 93 | } |
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| 94 | |||
| 95 | signal(SIGINT, close_and_exit); |
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| 96 | |||
| 97 | count = 1; |
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| 98 | miss = 0; |
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| 99 | |||
| 100 | while(1) { |
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| 101 | |||
| 102 | printf("Wait packet...\n"); |
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| 103 | |||
| 104 | // receive message |
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| 105 | cliLen = sizeof(cliAddr); |
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| 106 | n = recvfrom(sd, msg, MAX_MSG, 0,(struct sockaddr *)&cliAddr, &cliLen); |
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| 107 | |||
| 108 | //if (strncmp(pkt_head->id,"TESTS",6)) continue; |
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| 109 | |||
| 110 | printf("Received %d, length %d(%d)\n", |
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| 111 | pkt_head->pkt_number, n, pkt_head->size); |
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| 112 | |||
| 113 | if (pkt_head->pkt_number != count) { |
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| 114 | printf("Miss Packet !!!\n"); |
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| 115 | miss = 1; |
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| 116 | } |
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| 117 | |||
| 118 | if (n > 0) { |
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| 119 | |||
| 120 | count++; |
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| 121 | |||
| 122 | fwrite((void *)(msg+sizeof(struct tests_udp_header)),n-sizeof(struct tests_udp_header),1,output_file); |
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| 123 | |||
| 124 | } |
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| 125 | |||
| 126 | } |
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| 127 | |||
| 128 | fclose(output_file); |
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| 129 | |||
| 130 | return 0; |
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| 131 | |||
| 132 | } |
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| 133 |