|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_event.h>
|
|
|
10
|
|
|
11
|
|
22
|
12 #if (NGX_TEST_BUILD_SOLARIS_SENDFILEV)
|
|
|
13
|
|
|
14 /* Solaris declarations */
|
|
|
15
|
|
|
16 typedef struct sendfilevec {
|
|
|
17 int sfv_fd;
|
|
|
18 u_int sfv_flag;
|
|
|
19 off_t sfv_off;
|
|
|
20 size_t sfv_len;
|
|
|
21 } sendfilevec_t;
|
|
|
22
|
|
|
23 #define SFV_FD_SELF -2
|
|
|
24
|
|
|
25 static ssize_t sendfilev(int fd, const struct sendfilevec *vec,
|
|
|
26 int sfvcnt, size_t *xferred)
|
|
|
27 {
|
|
|
28 return -1;
|
|
|
29 }
|
|
|
30
|
|
|
31 #endif
|
|
|
32
|
|
|
33
|
|
0
|
34 #define NGX_SENDFILEVECS 16
|
|
|
35
|
|
|
36
|
|
|
37 ngx_chain_t *ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in,
|
|
|
38 off_t limit)
|
|
|
39 {
|
|
|
40 int fd;
|
|
|
41 u_char *prev;
|
|
22
|
42 off_t size, send, prev_send, aligned, fprev;
|
|
|
43 size_t sent;
|
|
|
44 ssize_t n;
|
|
0
|
45 ngx_int_t eintr, complete;
|
|
|
46 ngx_err_t err;
|
|
|
47 sendfilevec_t *sfv, sfvs[NGX_SENDFILEVECS];
|
|
|
48 ngx_array_t vec;
|
|
|
49 ngx_event_t *wev;
|
|
50
|
50 ngx_chain_t *cl;
|
|
0
|
51
|
|
|
52 wev = c->write;
|
|
|
53
|
|
|
54 if (!wev->ready) {
|
|
|
55 return in;
|
|
|
56 }
|
|
|
57
|
|
2
|
58 if (!c->sendfile) {
|
|
|
59 return ngx_writev_chain(c, in, limit);
|
|
|
60 }
|
|
|
61
|
|
22
|
62
|
|
|
63 /* the maximum limit size is the maximum size_t value - the page size */
|
|
|
64
|
|
26
|
65 if (limit == 0 || limit > NGX_MAX_SIZE_T_VALUE - ngx_pagesize) {
|
|
|
66 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize;
|
|
22
|
67 }
|
|
|
68
|
|
|
69
|
|
0
|
70 send = 0;
|
|
|
71 complete = 0;
|
|
|
72
|
|
|
73 vec.elts = sfvs;
|
|
|
74 vec.size = sizeof(sendfilevec_t);
|
|
|
75 vec.nalloc = NGX_SENDFILEVECS;
|
|
|
76 vec.pool = c->pool;
|
|
|
77
|
|
|
78 for ( ;; ) {
|
|
|
79 fd = SFV_FD_SELF;
|
|
|
80 prev = NULL;
|
|
|
81 fprev = 0;
|
|
|
82 sfv = NULL;
|
|
|
83 eintr = 0;
|
|
|
84 sent = 0;
|
|
22
|
85 prev_send = send;
|
|
0
|
86
|
|
|
87 vec.nelts = 0;
|
|
|
88
|
|
|
89 /* create the sendfilevec and coalesce the neighbouring bufs */
|
|
|
90
|
|
|
91 for (cl = in; cl && vec.nelts < IOV_MAX && send < limit; cl = cl->next)
|
|
|
92 {
|
|
|
93 if (ngx_buf_special(cl->buf)) {
|
|
|
94 continue;
|
|
|
95 }
|
|
|
96
|
|
|
97 if (ngx_buf_in_memory_only(cl->buf)) {
|
|
|
98 fd = SFV_FD_SELF;
|
|
|
99
|
|
|
100 size = cl->buf->last - cl->buf->pos;
|
|
|
101
|
|
|
102 if (send + size > limit) {
|
|
|
103 size = limit - send;
|
|
|
104 }
|
|
|
105
|
|
|
106 if (prev == cl->buf->pos) {
|
|
22
|
107 sfv->sfv_len += (size_t) size;
|
|
0
|
108
|
|
|
109 } else {
|
|
50
|
110 sfv = ngx_array_push(&vec);
|
|
|
111 if (sfv == NULL) {
|
|
0
|
112 return NGX_CHAIN_ERROR;
|
|
|
113 }
|
|
|
114
|
|
|
115 sfv->sfv_fd = SFV_FD_SELF;
|
|
|
116 sfv->sfv_flag = 0;
|
|
|
117 sfv->sfv_off = (off_t) (uintptr_t) cl->buf->pos;
|
|
22
|
118 sfv->sfv_len = (size_t) size;
|
|
0
|
119 }
|
|
|
120
|
|
22
|
121 prev = cl->buf->pos + (size_t) size;
|
|
0
|
122 send += size;
|
|
|
123
|
|
|
124 } else {
|
|
|
125 prev = NULL;
|
|
|
126
|
|
22
|
127 size = cl->buf->file_last - cl->buf->file_pos;
|
|
0
|
128
|
|
|
129 if (send + size > limit) {
|
|
|
130 size = limit - send;
|
|
|
131
|
|
|
132 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1)
|
|
|
133 & ~(ngx_pagesize - 1);
|
|
|
134
|
|
|
135 if (aligned <= cl->buf->file_last) {
|
|
|
136 size = aligned - cl->buf->file_pos;
|
|
|
137 }
|
|
|
138 }
|
|
|
139
|
|
|
140 if (fd == cl->buf->file->fd && fprev == cl->buf->file_pos) {
|
|
22
|
141 sfv->sfv_len += (size_t) size;
|
|
0
|
142
|
|
|
143 } else {
|
|
50
|
144 sfv = ngx_array_push(&vec);
|
|
|
145 if (sfv == NULL) {
|
|
0
|
146 return NGX_CHAIN_ERROR;
|
|
|
147 }
|
|
|
148
|
|
|
149 fd = cl->buf->file->fd;
|
|
|
150 sfv->sfv_fd = fd;
|
|
|
151 sfv->sfv_flag = 0;
|
|
|
152 sfv->sfv_off = cl->buf->file_pos;
|
|
22
|
153 sfv->sfv_len = (size_t) size;
|
|
0
|
154 }
|
|
|
155
|
|
|
156 fprev = cl->buf->file_pos + size;
|
|
|
157 send += size;
|
|
|
158 }
|
|
|
159 }
|
|
|
160
|
|
|
161 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent);
|
|
|
162
|
|
|
163 if (n == -1) {
|
|
|
164 err = ngx_errno;
|
|
|
165
|
|
|
166 if (err == NGX_EAGAIN || err == NGX_EINTR) {
|
|
|
167 if (err == NGX_EINTR) {
|
|
|
168 eintr = 1;
|
|
|
169 }
|
|
|
170
|
|
|
171 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
|
|
22
|
172 "sendfilev() sent only %uz bytes", sent);
|
|
0
|
173
|
|
|
174 } else {
|
|
|
175 wev->error = 1;
|
|
|
176 ngx_connection_error(c, err, "sendfilev() failed");
|
|
|
177 return NGX_CHAIN_ERROR;
|
|
|
178 }
|
|
|
179 }
|
|
|
180
|
|
|
181 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
10
|
182 "sendfilev: %z %z", n, sent);
|
|
0
|
183
|
|
22
|
184 if (send - prev_send == (off_t) sent) {
|
|
0
|
185 complete = 1;
|
|
|
186 }
|
|
|
187
|
|
|
188 c->sent += sent;
|
|
|
189
|
|
|
190 for (cl = in; cl; cl = cl->next) {
|
|
|
191
|
|
|
192 if (ngx_buf_special(cl->buf)) {
|
|
|
193 continue;
|
|
|
194 }
|
|
|
195
|
|
|
196 if (sent == 0) {
|
|
|
197 break;
|
|
|
198 }
|
|
|
199
|
|
|
200 size = ngx_buf_size(cl->buf);
|
|
|
201
|
|
22
|
202 if ((off_t) sent >= size) {
|
|
|
203 sent = (size_t) ((off_t) sent - size);
|
|
0
|
204
|
|
|
205 if (ngx_buf_in_memory(cl->buf)) {
|
|
|
206 cl->buf->pos = cl->buf->last;
|
|
|
207 }
|
|
|
208
|
|
|
209 if (cl->buf->in_file) {
|
|
|
210 cl->buf->file_pos = cl->buf->file_last;
|
|
|
211 }
|
|
|
212
|
|
|
213 continue;
|
|
|
214 }
|
|
|
215
|
|
|
216 if (ngx_buf_in_memory(cl->buf)) {
|
|
|
217 cl->buf->pos += sent;
|
|
|
218 }
|
|
|
219
|
|
|
220 if (cl->buf->in_file) {
|
|
|
221 cl->buf->file_pos += sent;
|
|
|
222 }
|
|
|
223
|
|
|
224 break;
|
|
|
225 }
|
|
|
226
|
|
|
227 if (eintr) {
|
|
|
228 continue;
|
|
|
229 }
|
|
|
230
|
|
|
231 if (!complete) {
|
|
|
232 wev->ready = 0;
|
|
|
233 return cl;
|
|
|
234 }
|
|
|
235
|
|
|
236 if (send >= limit || cl == NULL) {
|
|
|
237 return cl;
|
|
|
238 }
|
|
|
239
|
|
|
240 in = cl;
|
|
|
241 }
|
|
|
242 }
|
