|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
660
|
4 * Copyright (C) Nginx, Inc.
|
|
0
|
5 */
|
|
|
6
|
|
|
7
|
|
|
8 #include <ngx_config.h>
|
|
|
9 #include <ngx_core.h>
|
|
|
10 #include <ngx_event.h>
|
|
|
11
|
|
|
12
|
|
22
|
13 #if (NGX_TEST_BUILD_SOLARIS_SENDFILEV)
|
|
|
14
|
|
|
15 /* Solaris declarations */
|
|
|
16
|
|
|
17 typedef struct sendfilevec {
|
|
|
18 int sfv_fd;
|
|
|
19 u_int sfv_flag;
|
|
|
20 off_t sfv_off;
|
|
|
21 size_t sfv_len;
|
|
|
22 } sendfilevec_t;
|
|
|
23
|
|
|
24 #define SFV_FD_SELF -2
|
|
|
25
|
|
|
26 static ssize_t sendfilev(int fd, const struct sendfilevec *vec,
|
|
134
|
27 int sfvcnt, size_t *xferred)
|
|
22
|
28 {
|
|
|
29 return -1;
|
|
|
30 }
|
|
|
31
|
|
|
32 #endif
|
|
|
33
|
|
|
34
|
|
146
|
35 #if (IOV_MAX > 64)
|
|
|
36 #define NGX_SENDFILEVECS 64
|
|
|
37 #else
|
|
|
38 #define NGX_SENDFILEVECS IOV_MAX
|
|
|
39 #endif
|
|
|
40
|
|
0
|
41
|
|
|
42
|
|
134
|
43 ngx_chain_t *
|
|
|
44 ngx_solaris_sendfilev_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
|
|
0
|
45 {
|
|
|
46 int fd;
|
|
|
47 u_char *prev;
|
|
22
|
48 off_t size, send, prev_send, aligned, fprev;
|
|
|
49 size_t sent;
|
|
|
50 ssize_t n;
|
|
0
|
51 ngx_int_t eintr, complete;
|
|
|
52 ngx_err_t err;
|
|
|
53 sendfilevec_t *sfv, sfvs[NGX_SENDFILEVECS];
|
|
|
54 ngx_array_t vec;
|
|
|
55 ngx_event_t *wev;
|
|
50
|
56 ngx_chain_t *cl;
|
|
0
|
57
|
|
|
58 wev = c->write;
|
|
|
59
|
|
|
60 if (!wev->ready) {
|
|
|
61 return in;
|
|
|
62 }
|
|
|
63
|
|
2
|
64 if (!c->sendfile) {
|
|
|
65 return ngx_writev_chain(c, in, limit);
|
|
|
66 }
|
|
|
67
|
|
22
|
68
|
|
|
69 /* the maximum limit size is the maximum size_t value - the page size */
|
|
|
70
|
|
324
|
71 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) {
|
|
26
|
72 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize;
|
|
22
|
73 }
|
|
|
74
|
|
|
75
|
|
0
|
76 send = 0;
|
|
|
77 complete = 0;
|
|
|
78
|
|
|
79 vec.elts = sfvs;
|
|
|
80 vec.size = sizeof(sendfilevec_t);
|
|
|
81 vec.nalloc = NGX_SENDFILEVECS;
|
|
|
82 vec.pool = c->pool;
|
|
|
83
|
|
|
84 for ( ;; ) {
|
|
|
85 fd = SFV_FD_SELF;
|
|
|
86 prev = NULL;
|
|
|
87 fprev = 0;
|
|
|
88 sfv = NULL;
|
|
|
89 eintr = 0;
|
|
|
90 sent = 0;
|
|
22
|
91 prev_send = send;
|
|
0
|
92
|
|
|
93 vec.nelts = 0;
|
|
|
94
|
|
|
95 /* create the sendfilevec and coalesce the neighbouring bufs */
|
|
|
96
|
|
|
97 for (cl = in; cl && vec.nelts < IOV_MAX && send < limit; cl = cl->next)
|
|
|
98 {
|
|
|
99 if (ngx_buf_special(cl->buf)) {
|
|
|
100 continue;
|
|
|
101 }
|
|
|
102
|
|
|
103 if (ngx_buf_in_memory_only(cl->buf)) {
|
|
|
104 fd = SFV_FD_SELF;
|
|
|
105
|
|
|
106 size = cl->buf->last - cl->buf->pos;
|
|
|
107
|
|
|
108 if (send + size > limit) {
|
|
|
109 size = limit - send;
|
|
|
110 }
|
|
|
111
|
|
|
112 if (prev == cl->buf->pos) {
|
|
22
|
113 sfv->sfv_len += (size_t) size;
|
|
0
|
114
|
|
|
115 } else {
|
|
50
|
116 sfv = ngx_array_push(&vec);
|
|
|
117 if (sfv == NULL) {
|
|
0
|
118 return NGX_CHAIN_ERROR;
|
|
|
119 }
|
|
|
120
|
|
|
121 sfv->sfv_fd = SFV_FD_SELF;
|
|
|
122 sfv->sfv_flag = 0;
|
|
|
123 sfv->sfv_off = (off_t) (uintptr_t) cl->buf->pos;
|
|
22
|
124 sfv->sfv_len = (size_t) size;
|
|
0
|
125 }
|
|
|
126
|
|
22
|
127 prev = cl->buf->pos + (size_t) size;
|
|
0
|
128 send += size;
|
|
|
129
|
|
|
130 } else {
|
|
|
131 prev = NULL;
|
|
|
132
|
|
22
|
133 size = cl->buf->file_last - cl->buf->file_pos;
|
|
0
|
134
|
|
|
135 if (send + size > limit) {
|
|
|
136 size = limit - send;
|
|
|
137
|
|
|
138 aligned = (cl->buf->file_pos + size + ngx_pagesize - 1)
|
|
298
|
139 & ~((off_t) ngx_pagesize - 1);
|
|
0
|
140
|
|
|
141 if (aligned <= cl->buf->file_last) {
|
|
|
142 size = aligned - cl->buf->file_pos;
|
|
|
143 }
|
|
|
144 }
|
|
|
145
|
|
|
146 if (fd == cl->buf->file->fd && fprev == cl->buf->file_pos) {
|
|
22
|
147 sfv->sfv_len += (size_t) size;
|
|
0
|
148
|
|
|
149 } else {
|
|
50
|
150 sfv = ngx_array_push(&vec);
|
|
|
151 if (sfv == NULL) {
|
|
0
|
152 return NGX_CHAIN_ERROR;
|
|
|
153 }
|
|
|
154
|
|
|
155 fd = cl->buf->file->fd;
|
|
|
156 sfv->sfv_fd = fd;
|
|
|
157 sfv->sfv_flag = 0;
|
|
|
158 sfv->sfv_off = cl->buf->file_pos;
|
|
22
|
159 sfv->sfv_len = (size_t) size;
|
|
0
|
160 }
|
|
|
161
|
|
|
162 fprev = cl->buf->file_pos + size;
|
|
|
163 send += size;
|
|
|
164 }
|
|
|
165 }
|
|
|
166
|
|
|
167 n = sendfilev(c->fd, vec.elts, vec.nelts, &sent);
|
|
|
168
|
|
|
169 if (n == -1) {
|
|
|
170 err = ngx_errno;
|
|
|
171
|
|
520
|
172 switch (err) {
|
|
|
173 case NGX_EAGAIN:
|
|
|
174 break;
|
|
0
|
175
|
|
520
|
176 case NGX_EINTR:
|
|
|
177 eintr = 1;
|
|
|
178 break;
|
|
0
|
179
|
|
520
|
180 default:
|
|
0
|
181 wev->error = 1;
|
|
|
182 ngx_connection_error(c, err, "sendfilev() failed");
|
|
|
183 return NGX_CHAIN_ERROR;
|
|
|
184 }
|
|
520
|
185
|
|
|
186 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, err,
|
|
|
187 "sendfilev() sent only %uz bytes", sent);
|
|
0
|
188 }
|
|
|
189
|
|
|
190 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
|
|
10
|
191 "sendfilev: %z %z", n, sent);
|
|
0
|
192
|
|
22
|
193 if (send - prev_send == (off_t) sent) {
|
|
0
|
194 complete = 1;
|
|
|
195 }
|
|
|
196
|
|
|
197 c->sent += sent;
|
|
|
198
|
|
|
199 for (cl = in; cl; cl = cl->next) {
|
|
|
200
|
|
|
201 if (ngx_buf_special(cl->buf)) {
|
|
126
|
202 continue;
|
|
0
|
203 }
|
|
|
204
|
|
|
205 if (sent == 0) {
|
|
|
206 break;
|
|
|
207 }
|
|
|
208
|
|
|
209 size = ngx_buf_size(cl->buf);
|
|
|
210
|
|
22
|
211 if ((off_t) sent >= size) {
|
|
|
212 sent = (size_t) ((off_t) sent - size);
|
|
0
|
213
|
|
|
214 if (ngx_buf_in_memory(cl->buf)) {
|
|
|
215 cl->buf->pos = cl->buf->last;
|
|
|
216 }
|
|
|
217
|
|
|
218 if (cl->buf->in_file) {
|
|
|
219 cl->buf->file_pos = cl->buf->file_last;
|
|
|
220 }
|
|
|
221
|
|
|
222 continue;
|
|
|
223 }
|
|
|
224
|
|
|
225 if (ngx_buf_in_memory(cl->buf)) {
|
|
|
226 cl->buf->pos += sent;
|
|
|
227 }
|
|
|
228
|
|
|
229 if (cl->buf->in_file) {
|
|
|
230 cl->buf->file_pos += sent;
|
|
|
231 }
|
|
|
232
|
|
|
233 break;
|
|
|
234 }
|
|
|
235
|
|
|
236 if (eintr) {
|
|
|
237 continue;
|
|
|
238 }
|
|
|
239
|
|
|
240 if (!complete) {
|
|
|
241 wev->ready = 0;
|
|
|
242 return cl;
|
|
|
243 }
|
|
|
244
|
|
|
245 if (send >= limit || cl == NULL) {
|
|
|
246 return cl;
|
|
|
247 }
|
|
|
248
|
|
|
249 in = cl;
|
|
|
250 }
|
|
|
251 }
|
