Proxima ASA 7911 Benutzerhandbuch

92

23
24
25       /* Open the log file */
26       logfile= fopen(“proxlink.log”, “wb”);
27       if (!logfile) {
28

printf(“Error: Couldn’t open log file\n”);

29

exit(1);

30       }
31
32       /* Create socket */
33       sock= socket(AF_INET, SOCK_STREAM, 0);
34       if (sock < 0) {
35

perror(“opening stream socket”);

36

exit(2);

37       }
38
39       /* Create a name with wildcards */
40       server.sin_family= AF_INET;
41       server.sin_addr.s_addr= INADDR_ANY;
42       server.sin_port= 0;
43       if (bind(sock, (struct sockaddr *)&server, sizeof(server)) < 0) {
44

perror(“binding stream socket”);

45

exit(3);

46       }
47
48       /* Find assigned port number and print it out */
49       length= sizeof(server);
50       if (getsockname(sock, (struct sockaddr *)&server, &length) < 0) {
51

perror(“getting socket name”);

52

exit(4);

53       }
54
55       printf(“Socket port #%d\n”, ntohs(server.sin_port));
56
57       /* Start accepting connections. Listen() will return when it
58          determines that a remote machine is trying to open a
59          connection. The second parameter to listen() is a queue
60          length, which is the maximum number of pending connections
61          allowed on that socket at any given time.
62        */
63       do {
64

listen(sock, 5);