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comparison src/event/ngx_event_acceptex.c @ 59:e8cdc2989cee

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nginx-0.0.1-2003-02-06-20:21:13 import
author Igor Sysoev <igor@sysoev.ru>
date Thu, 06 Feb 2003 17:21:13 +0000
parents
children 50186b49f2ad
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58:6b13b1cadabe 59:e8cdc2989cee
1
2 #include <ngx_config.h>
3
4 #include <ngx_core.h>
5 #include <ngx_types.h>
6 #include <ngx_log.h>
7 #include <ngx_listen.h>
8 #include <ngx_connection.h>
9 #include <ngx_event.h>
10 #include <ngx_event_close.h>
11 #include <ngx_iocp_module.h>
12
13 #include <ngx_event_acceptex.h>
14
15
16
17 /* This function should always return NGX_OK even there are some failures
18 because if we return NGX_ERROR then listening socket would be closed */
19
20 int ngx_event_acceptex(ngx_event_t *ev)
21 {
22 ngx_connection_t *c;
23
24 c = (ngx_connection_t *) ev->data;
25
26 if (ev->ovlp.error) {
27 ngx_log_error(NGX_LOG_CRIT, ev->log, ev->ovlp.error,
28 "AcceptEx(%s) falied", c->addr_text.data);
29 return NGX_OK;
30 }
31
32 GetAcceptExSockaddrs(c->data, 0,
33 c->socklen + 16, c->socklen + 16,
34 &c->local_sockaddr, &c->local_socklen,
35 &c->sockaddr, &c->socklen);
36
37 ngx_event_post_acceptex(c->listening, 1);
38
39 /* STUB: InterlockedInc() */
40 c->number = ngx_connection_counter++;
41
42 c->handler(c);
43
44 return NGX_OK;
45
46 }
47
48
49 int ngx_event_post_acceptex(ngx_listen_t *ls, int n)
50 {
51 int i;
52 u_int rcvd;
53 ngx_err_t err;
54 ngx_pool_t *pool;
55 ngx_event_t *rev, *wev;
56 ngx_socket_t s;
57 ngx_connection_t *c;
58
59 for (i = 0; i < n; i++) {
60
61 /* TODO: look up reused sockets */
62
63 ngx_log_debug(ls->log, "socket: %x" _ ls->flags);
64
65 s = ngx_socket(ls->family, ls->type, ls->protocol, ls->flags);
66
67 if (s == -1) {
68 ngx_log_error(NGX_LOG_ALERT, ls->log, ngx_socket_errno,
69 ngx_socket_n " for AcceptEx(%s) falied",
70 ls->addr_text.data);
71
72 return NGX_ERROR;
73 }
74
75 ngx_test_null(pool, ngx_create_pool(ls->pool_size, ls->log), NGX_ERROR);
76
77 rev = &ngx_read_events[s];
78 wev = &ngx_write_events[s];
79 c = &ngx_connections[s];
80
81 ngx_memzero(rev, sizeof(ngx_event_t));
82 ngx_memzero(wev, sizeof(ngx_event_t));
83 ngx_memzero(c, sizeof(ngx_connection_t));
84
85 c->pool = pool;
86
87 rev->index = wev->index = NGX_INVALID_INDEX;
88
89 rev->ovlp.event = rev;
90 wev->ovlp.event = wev;
91
92 rev->data = wev->data = c;
93 c->read = rev;
94 c->write = wev;
95
96 c->family = ls->family;
97 c->socklen = ls->socklen;
98 c->addr = ls->addr;
99 c->addr_text_max_len = ls->addr_text_max_len;
100 c->post_accept_timeout = ls->post_accept_timeout;
101
102 c->listening = ls;
103 c->fd = s;
104
105 c->unexpected_eof = 1;
106 wev->write = 1;
107
108 c->handler = ls->handler;
109 rev->event_handler = ngx_event_acceptex;
110
111 wev->timer_handler = rev->timer_handler = ngx_event_close_connection;
112 wev->close_handler = rev->close_handler = ngx_event_close_connection;
113
114 c->ctx = ls->ctx;
115 c->servers = ls->servers;
116
117 ngx_test_null(c->data, ngx_palloc(pool, 2 * (c->socklen + 16)),
118 NGX_ERROR);
119 ngx_test_null(c->local_sockaddr, ngx_palloc(pool, c->socklen),
120 NGX_ERROR);
121 ngx_test_null(c->sockaddr, ngx_palloc(pool, c->socklen),
122 NGX_ERROR);
123
124 ngx_test_null(c->log, ngx_palloc(c->pool, sizeof(ngx_log_t)),
125 NGX_ERROR);
126 ngx_memcpy(c->log, ls->log, sizeof(ngx_log_t));
127 rev->log = wev->log = c->log;
128
129 if (ngx_iocp_add_event(rev) == NGX_ERROR) {
130 return NGX_ERROR;
131 }
132
133 if (AcceptEx(ls->fd, s, c->data, 0,
134 c->socklen + 16, c->socklen + 16,
135 &rcvd, (LPOVERLAPPED) &rev->ovlp) == 0) {
136
137 err = ngx_socket_errno;
138 if (err == WSA_IO_PENDING) {
139 return NGX_OK;
140 }
141
142 ngx_log_error(NGX_LOG_ALERT, ls->log, err,
143 "AcceptEx(%s) falied", ls->addr_text.data);
144
145 return NGX_ERROR;
146 }
147 }
148
149 return NGX_OK;
150 }