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root/svn/ircd-hybrid/libio/comm/fdlist.h
Revision: 69
Committed: Tue Oct 4 16:09:51 2005 UTC (18 years, 5 months ago) by adx
Content type: text/x-chdr
File size: 3370 byte(s)
Log Message:
- splitted ircd/libio, all headers connected with libio sources have been
  moved for internal use only. To use libio interface, include "libio.h"
  (which is already done in "stdinc.h")


File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 * fdlist.h: The file descriptor list header.
4 *
5 * Copyright (C) 2002 by the past and present ircd coders, and others.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 * USA
21 *
22 * $Id$
23 */
24
25 #define FILEIO_V2
26
27 #define FD_DESC_SZ 128 /* hostlen + comment */
28 #define LOWEST_SAFE_FD 4 /* skip stdin, stdout, stderr, and profiler */
29
30 enum {
31 COMM_OK,
32 COMM_ERR_BIND,
33 COMM_ERR_DNS,
34 COMM_ERR_TIMEOUT,
35 COMM_ERR_CONNECT,
36 COMM_ERROR,
37 COMM_ERR_MAX
38 };
39
40 struct _fde;
41 struct DNSQuery;
42
43 /* Callback for completed IO events */
44 typedef void PF(struct _fde *, void *);
45
46 /* Callback for completed connections */
47 typedef void CNCB(struct _fde *, int, void *);
48
49 /* This is to get around the fact that some implementations have ss_len and
50 * others do not
51 */
52 struct irc_ssaddr
53 {
54 struct sockaddr_storage ss;
55 unsigned char ss_len;
56 in_port_t ss_port;
57 };
58
59 typedef struct _fde {
60 /* New-school stuff, again pretty much ripped from squid */
61 /*
62 * Yes, this gives us only one pending read and one pending write per
63 * filedescriptor. Think though: when do you think we'll need more?
64 */
65 int fd; /* So we can use the fde_t as a callback ptr */
66 int comm_index; /* where in the poll list we live */
67 int evcache; /* current fd events as set up by the underlying I/O */
68 char desc[FD_DESC_SZ];
69 PF *read_handler;
70 void *read_data;
71 PF *write_handler;
72 void *write_data;
73 PF *timeout_handler;
74 void *timeout_data;
75 time_t timeout;
76 PF *flush_handler;
77 void *flush_data;
78 time_t flush_timeout;
79 struct DNSQuery *dns_query;
80 struct {
81 unsigned int open:1;
82 unsigned int is_socket:1;
83 #ifdef HAVE_LIBCRYPTO
84 unsigned int pending_read:1;
85 #endif
86 } flags;
87
88 struct {
89 /* We don't need the host here ? */
90 struct irc_ssaddr S;
91 struct irc_ssaddr hostaddr;
92 CNCB *callback;
93 void *data;
94 /* We'd also add the retry count here when we get to that -- adrian */
95 } connect;
96 #ifdef HAVE_LIBCRYPTO
97 SSL *ssl;
98 #endif
99 struct _fde *hnext;
100 } fde_t;
101
102 #define FD_HASH_SIZE CLIENT_HEAP_SIZE
103
104 extern int number_fd;
105 extern int hard_fdlimit;
106 extern fde_t *fd_hash[];
107 extern fde_t *fd_next_in_loop;
108 extern struct Callback *fdlimit_cb;
109
110 extern void fdlist_init(void);
111 extern fde_t *lookup_fd(int);
112 extern void fd_open(fde_t *, int, int, const char *);
113 extern void fd_close(fde_t *);
114 #ifndef __GNUC__
115 extern void fd_note(fde_t *, const char *format, ...);
116 #else
117 extern void fd_note(fde_t *, const char *format, ...)
118 __attribute__((format (printf, 2, 3)));
119 #endif
120 extern void close_standard_fds(void);
121 extern void close_fds(fde_t *);
122 extern void recalc_fdlimit(void *);

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision