2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.1 1995-03-30 09:39:40 quinn
8 * Moved .h files to include directory
10 * Revision 1.11 1995/03/27 08:36:05 quinn
11 * Some work on nonblocking operation in xmosi.c and rfct.c.
12 * Added protocol parameter to cs_create()
14 * Revision 1.10 1995/03/20 09:47:12 quinn
15 * Added server-side support to xmosi.c
16 * Fixed possible problems in rfct
19 * Revision 1.9 1995/03/15 15:36:27 quinn
20 * Mods to support nonblocking I/O
22 * Revision 1.8 1995/03/14 17:00:07 quinn
23 * Bug-fixes - added tracing info to tcpip.c
25 * Revision 1.7 1995/03/14 10:28:35 quinn
26 * Adding server-side support to tcpip.c and fixing bugs in nonblocking I/O
28 * Revision 1.6 1995/03/07 16:29:45 quinn
31 * Revision 1.5 1995/03/07 10:39:31 quinn
34 * Revision 1.4 1995/03/06 16:49:29 adam
35 * COMSTACK type inspection possible with cs_type.
37 * Revision 1.3 1995/02/14 11:54:48 quinn
38 * Beginning to add full CCL.
40 * Revision 1.2 1995/02/10 18:58:10 quinn
41 * Fixed tcpip_get (formerly tcpip_read).
42 * Turned tst (cli) into a proper, event-driven thing.
44 * Revision 1.1 1995/02/09 15:51:51 quinn
54 #define COMSTACK_DEFAULT_TIMEOUT -1
57 typedef struct comstack *COMSTACK;
59 typedef COMSTACK (*CS_TYPE)(int blocking, int protocol);
64 int errno; /* current error code of this stack */
65 char *stackerr;/* current lower-layer error string, or null if none */
66 int iofile; /* UNIX file descriptor for iochannel */
67 int timeout; /* how long to wait for trailing blocks */
68 void *private; /* state info for lower stack */
69 int more; /* connection has extra data in buffer */
70 int state; /* current state */
76 int newfd; /* storing new descriptor between listen and accept */
77 int blocking; /* is this link (supposed to be) blocking? */
78 int event; /* current event */
84 int protocol; /* what application protocol are we talking? */
87 int (*f_look)(COMSTACK handle);
88 int (*f_put)(COMSTACK handle, char *buf, int size);
89 int (*f_get)(COMSTACK handle, char **buf, int *bufsize);
90 int (*f_more)(COMSTACK handle);
91 int (*f_connect)(COMSTACK handle, void *address);
92 int (*f_rcvconnect)(COMSTACK handle);
93 int (*f_bind)(COMSTACK handle, void *address, int mode);
96 int (*f_listen)(COMSTACK handle, char *addrp, int *addrlen);
97 COMSTACK (*f_accept)(COMSTACK handle);
98 int (*f_close)(COMSTACK handle);
99 /* to add: commands for the server side (bind, listen, accept) */
102 #define cs_put(handle, buf, size) ((*(handle)->f_put)(handle, buf, size))
103 #define cs_get(handle, buf, size) ((*(handle)->f_get)(handle, buf, size))
104 #define cs_more(handle) ((*(handle)->f_more)(handle))
105 #define cs_connect(handle, address) ((*(handle)->f_connect)(handle, address))
106 #define cs_rcvconnect(handle) ((*(handle)->f_rcvconnect)(handle))
107 #define cs_bind(handle, ad, mo) ((*(handle)->f_bind)(handle, ad, mo))
108 #define cs_listen(handle, ap, al) ((*(handle)->f_listen)(handle, ap, al))
109 #define cs_accept(handle) ((*(handle)->f_accept)(handle))
110 #define cs_close(handle) ((*(handle)->f_close)(handle))
111 #define cs_create(type, blocking, proto) ((*type)(blocking, proto))
112 #define cs_type(handle) ((handle)->type)
113 #define cs_fileno(handle) ((handle)->iofile)
114 #define cs_stackerr(handle) ((handle)->stackerr)
115 #define cs_getstate(handle) ((handle)->getstate)
116 #define cs_errno(handle) ((handle)->errno)
117 #define cs_getproto(handle) ((handle)->protocol)
119 const char *cs_strerror(COMSTACK h);
131 extern char *cs_errlist[];