]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * charybdis: A slightly useful ircd. | |
3 | * ports.c: Solaris ports compatible network routines. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2001 Adrian Chadd <adrian@creative.net.au> | |
8 | * Copyright (C) 2002-2004 ircd-ratbox development team | |
9 | * Copyright (C) 2005 Edward Brocklesby. | |
10 | * Copyright (C) 2005 William Pitcock and Jilles Tjoelker | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
25 | * USA | |
26 | * | |
27 | * $Id$ | |
28 | */ | |
29 | ||
30 | #include "stdinc.h" | |
31 | #include <port.h> | |
32 | #include <time.h> | |
33 | ||
34 | #include "libcharybdis.h" | |
35 | ||
36 | #define PE_LENGTH 128 | |
37 | ||
38 | static void pe_update_events(fde_t *, short, PF *); | |
39 | static int pe; | |
40 | static struct timespec zero_timespec; | |
41 | ||
42 | static port_event_t *pelst; /* port buffer */ | |
43 | static int pemax; /* max structs to buffer */ | |
44 | ||
45 | int | |
46 | ircd_setup_fd(int fd) | |
47 | { | |
48 | return 0; | |
49 | } | |
50 | ||
51 | ||
52 | void | |
53 | pe_update_events(fde_t * F, short filter, PF * handler) | |
54 | { | |
55 | PF *cur_handler = NULL; | |
56 | ||
57 | if (filter == POLLRDNORM) | |
58 | cur_handler = F->read_handler; | |
59 | else if (filter == POLLWRNORM) | |
60 | cur_handler = F->write_handler; | |
61 | ||
62 | if (!cur_handler && handler) | |
63 | port_associate(pe, PORT_SOURCE_FD, F->fd, filter, F); | |
64 | else if (cur_handler && !handler) | |
65 | port_dissociate(pe, PORT_SOURCE_FD, F->fd); | |
66 | } | |
67 | ||
68 | /* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX */ | |
69 | /* Public functions */ | |
70 | ||
71 | ||
72 | /* | |
73 | * init_netio | |
74 | * | |
75 | * This is a needed exported function which will be called to initialise | |
76 | * the network loop code. | |
77 | */ | |
78 | void | |
79 | init_netio(void) | |
80 | { | |
81 | if((pe = port_create()) < 0) { | |
82 | libcharybdis_log("init_netio: Couldn't open port fd!\n"); | |
83 | exit(115); /* Whee! */ | |
84 | } | |
85 | pemax = getdtablesize(); | |
86 | pelst = MyMalloc(sizeof(port_event_t) * pemax); | |
87 | zero_timespec.tv_sec = 0; | |
88 | zero_timespec.tv_nsec = 0; | |
89 | } | |
90 | ||
91 | /* | |
92 | * ircd_setselect | |
93 | * | |
94 | * This is a needed exported function which will be called to register | |
95 | * and deregister interest in a pending IO state for a given FD. | |
96 | */ | |
97 | void | |
98 | ircd_setselect(int fd, fdlist_t list, unsigned int type, PF * handler, | |
99 | void *client_data) | |
100 | { | |
101 | fde_t *F = comm_locate_fd(fd); | |
102 | s_assert(fd >= 0); | |
103 | s_assert(F->flags.open); | |
104 | ||
105 | /* Update the list, even though we're not using it .. */ | |
106 | F->list = list; | |
107 | ||
108 | if(type & IRCD_SELECT_READ) { | |
109 | pe_update_events(F, POLLRDNORM, handler); | |
110 | F->read_handler = handler; | |
111 | F->read_data = client_data; | |
112 | } | |
113 | if(type & IRCD_SELECT_WRITE) { | |
114 | pe_update_events(F, POLLWRNORM, handler); | |
115 | F->write_handler = handler; | |
116 | F->write_data = client_data; | |
117 | } | |
118 | } | |
119 | ||
120 | /* | |
121 | * ircd_select | |
122 | * | |
123 | * Called to do the new-style IO, courtesy of squid (like most of this | |
124 | * new IO code). This routine handles the stuff we've hidden in | |
125 | * ircd_setselect and fd_table[] and calls callbacks for IO ready | |
126 | * events. | |
127 | */ | |
128 | ||
129 | int | |
130 | ircd_select(unsigned long delay) | |
131 | { | |
132 | int i, fd; | |
133 | uint nget = 1; | |
134 | struct timespec poll_time; | |
135 | struct timer_data *tdata; | |
136 | ||
137 | poll_time.tv_sec = delay / 1000; | |
138 | poll_time.tv_nsec = (delay % 1000) * 1000000; | |
139 | ||
140 | i = port_getn(pe, pelst, pemax, &nget, &poll_time); | |
141 | ircd_set_time(); | |
142 | ||
143 | if (i == -1) | |
144 | return COMM_ERROR; | |
145 | ||
146 | for (i = 0; i < nget; i++) { | |
147 | switch(pelst[i].portev_source) { | |
148 | case PORT_SOURCE_FD: | |
149 | fd = pelst[i].portev_object; | |
150 | PF *hdl = NULL; | |
151 | fde_t *F = comm_locate_fd(fd); | |
152 | ||
153 | if ((pelst[i].portev_events & POLLRDNORM) && (hdl = F->read_handler)) { | |
154 | F->read_handler = NULL; | |
155 | hdl(fd, F->read_data); | |
156 | } | |
157 | if ((pelst[i].portev_events & POLLWRNORM) && (hdl = F->write_handler)) { | |
158 | F->write_handler = NULL; | |
159 | hdl(fd, F->write_data); | |
160 | } | |
161 | break; | |
162 | ||
163 | case PORT_SOURCE_TIMER: | |
164 | tdata = pelst[i].portev_user; | |
165 | tdata->td_cb(tdata->td_udata); | |
166 | ||
167 | if (!tdata->td_repeat) | |
168 | free(tdata); | |
169 | ||
170 | break; | |
171 | } | |
172 | } | |
173 | return COMM_OK; | |
174 | } |