2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1995-03-14 16:59:48 quinn
10 * Revision 1.3 1995/03/14 11:30:15 quinn
13 * Revision 1.2 1995/03/14 10:28:03 quinn
14 * More work on demo server.
16 * Revision 1.1 1995/03/10 18:22:45 quinn
17 * The rudiments of an asynchronous server.
22 * Simple, static server. I wouldn't advise a static server unless you
23 * really have to, but it's great for debugging memory management. :)
38 #define DEFAULT_LISTENER "tcp:localhost:9999"
41 * handle incoming connect requests.
43 void listener(IOCHAN h, int event)
45 COMSTACK line = (COMSTACK) iochan_getdata(h);
48 if (event == EVENT_INPUT)
50 if (cs_listen(line, 0, 0) < 0)
52 if (cs_errno(line) == CSNODATA)
54 fprintf(stderr, "cs_listen failed.\n");
57 iochan_setflags(h, EVENT_OUTPUT); /* set us up for accepting */
59 else if (event == EVENT_OUTPUT)
64 if (!(new_line = cs_accept(line)))
66 fprintf(stderr, "Accept failed.\n");
69 if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session,
72 fprintf(stderr, "Failed to create iochan\n");
75 if (!(newas = create_association(new_chan, new_line)))
77 fprintf(stderr, "Failed to create new assoc.\n");
80 iochan_setdata(new_chan, newas);
81 iochan_setflags(h, EVENT_INPUT); /* reset for listening */
85 fprintf(stderr, "Bad event on listener.\n");
91 * Set up a listening endpoint, and give it to the event-handler.
93 void add_listener(char *where)
97 char mode[100], addr[100];
101 fprintf(stderr, "Adding listener on %s\n", where);
102 if (!where || sscanf(where, "%[^:]:%s", mode, addr) != 2)
104 fprintf(stderr, "%s: Address format: ('tcp'|'osi')':'<address>.\n",
108 if (!strcmp(mode, "tcp"))
110 if (!(ap = tcpip_strtoaddr(addr)))
112 fprintf(stderr, "Address resolution failed for TCP.\n");
118 else if (!strcmp(mode, "osi"))
120 if (!(ap = mosi_strtoaddr(addr)))
122 fprintf(stderr, "Address resolution failed for TCP.\n");
130 fprintf(stderr, "You must specify either 'osi:' or 'tcp:'.\n");
133 if (!(l = cs_create(type, 1)))
135 fprintf(stderr, "Failed to create listener\n");
138 if (cs_bind(l, ap, CS_SERVER) < 0)
140 fprintf(stderr, "Failed to bind.\n");
144 if (!(lst = iochan_create(cs_fileno(l), listener, EVENT_INPUT)))
146 fprintf(stderr, "Failed to create IOCHAN-type\n");
149 iochan_setdata(lst, l);
152 int main(int argc, char **argv)
154 int ret, listeners = 0;
158 while ((ret = options("l:", argv, argc, &arg)) != -2)
161 case 0: me = arg; break;
162 case 'l': add_listener(arg); listeners++; break;
164 fprintf(stderr, "Usage: %s [-l <listener-addr>]\n", me);
168 add_listener(DEFAULT_LISTENER);