2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.5 1995-03-15 08:37:45 quinn
8 * Now we're pretty much set for nonblocking I/O.
10 * Revision 1.4 1995/03/14 16:59:48 quinn
13 * Revision 1.3 1995/03/14 11:30:15 quinn
16 * Revision 1.2 1995/03/14 10:28:03 quinn
17 * More work on demo server.
19 * Revision 1.1 1995/03/10 18:22:45 quinn
20 * The rudiments of an asynchronous server.
25 * Simple, static server. I wouldn't advise a static server unless you
26 * really have to, but it's great for debugging memory management. :)
41 #define DEFAULT_LISTENER "tcp:localhost:9999"
44 * handle incoming connect requests.
46 void listener(IOCHAN h, int event)
48 COMSTACK line = (COMSTACK) iochan_getdata(h);
51 if (event == EVENT_INPUT)
53 if (cs_listen(line, 0, 0) < 0)
55 if (cs_errno(line) == CSNODATA)
57 fprintf(stderr, "cs_listen failed.\n");
60 iochan_setevent(h, EVENT_OUTPUT);
61 iochan_setflags(h, EVENT_OUTPUT | EVENT_EXCEPT); /* set up for acpt */
63 else if (event == EVENT_OUTPUT)
68 if (!(new_line = cs_accept(line)))
70 fprintf(stderr, "Accept failed.\n");
73 if (!(new_chan = iochan_create(cs_fileno(new_line), ir_session,
76 fprintf(stderr, "Failed to create iochan\n");
79 if (!(newas = create_association(new_chan, new_line)))
81 fprintf(stderr, "Failed to create new assoc.\n");
84 iochan_setdata(new_chan, newas);
85 iochan_setflags(h, EVENT_INPUT | EVENT_EXCEPT); /* reset for listen */
89 fprintf(stderr, "Bad event on listener.\n");
95 * Set up a listening endpoint, and give it to the event-handler.
97 void add_listener(char *where)
101 char mode[100], addr[100];
105 fprintf(stderr, "Adding listener on %s\n", where);
106 if (!where || sscanf(where, "%[^:]:%s", mode, addr) != 2)
108 fprintf(stderr, "%s: Address format: ('tcp'|'osi')':'<address>.\n",
112 if (!strcmp(mode, "tcp"))
114 if (!(ap = tcpip_strtoaddr(addr)))
116 fprintf(stderr, "Address resolution failed for TCP.\n");
122 else if (!strcmp(mode, "osi"))
124 if (!(ap = mosi_strtoaddr(addr)))
126 fprintf(stderr, "Address resolution failed for TCP.\n");
134 fprintf(stderr, "You must specify either 'osi:' or 'tcp:'.\n");
137 if (!(l = cs_create(type, 1)))
139 fprintf(stderr, "Failed to create listener\n");
142 if (cs_bind(l, ap, CS_SERVER) < 0)
144 fprintf(stderr, "Failed to bind.\n");
148 if (!(lst = iochan_create(cs_fileno(l), listener, EVENT_INPUT |
151 fprintf(stderr, "Failed to create IOCHAN-type\n");
154 iochan_setdata(lst, l);
157 int main(int argc, char **argv)
159 int ret, listeners = 0;
163 while ((ret = options("l:", argv, argc, &arg)) != -2)
166 case 0: me = arg; break;
167 case 'l': add_listener(arg); listeners++; break;
169 fprintf(stderr, "Usage: %s [-l <listener-addr>]\n", me);
173 add_listener(DEFAULT_LISTENER);