Mercurial > hg > nginx

annotate src/os/win32/ngx_wsasend_chain.c @ 5850:f9c83484d9ce

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Moved the code for adjusting sent buffers in a separate function.
author Valentin Bartenev <vbart@nginx.com>
date Wed, 13 Aug 2014 15:11:45 +0400
parents d620f497c50f
children 150df089fe47
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 363
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 363
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
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3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 2776
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4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 363
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 363
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6
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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7
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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8 #include <ngx_config.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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9 #include <ngx_core.h>
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
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10 #include <ngx_event.h>
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11
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
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12
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13 #define NGX_WSABUFS 8
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14
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15
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d4ea69372b94 nginx-0.1.25-RELEASE import
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16 ngx_chain_t *
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Igor Sysoev <igor@sysoev.ru>
parents: 473
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17 ngx_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
103
6dfda4cf5200 nginx-0.0.1-2003-06-11-19:28:34 import
Igor Sysoev <igor@sysoev.ru>
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18 {
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1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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19 int rc;
292
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
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20 u_char *prev;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
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21 u_long size, sent, send, prev_send;
461
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22 ngx_uint_t complete;
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parents: 144
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23 ngx_err_t err;
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24 ngx_event_t *wev;
461
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25 ngx_array_t vec;
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26 ngx_chain_t *cl;
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27 LPWSABUF wsabuf;
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28 WSABUF wsabufs[NGX_WSABUFS];
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29
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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30 wev = c->write;
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31
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32 if (!wev->ready) {
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33 return in;
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34 }
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35
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36 /* the maximum limit size is the maximum u_long value - the page size */
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37
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38 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) {
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39 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
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40 }
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41
461
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42 send = 0;
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43 complete = 0;
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44
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45 /*
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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parents: 144
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46 * WSABUFs must be 4-byte aligned otherwise
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
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47 * WSASend() will return undocumented WSAEINVAL error.
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
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48 */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
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49
461
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50 vec.elts = wsabufs;
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parents: 444
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51 vec.size = sizeof(WSABUF);
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
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52 vec.nalloc = NGX_WSABUFS;
461
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parents: 444
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53 vec.pool = c->pool;
184
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parents: 144
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54
461
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55 for ( ;; ) {
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56 prev = NULL;
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57 wsabuf = NULL;
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58 prev_send = send;
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59
461
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60 vec.nelts = 0;
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61
461
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62 /* create the WSABUF and coalesce the neighbouring bufs */
184
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63
461
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64 for (cl = in;
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65 cl && vec.nelts < ngx_max_wsabufs && send < limit;
a88a3e4e158f nginx-0.1.5-RELEASE import
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parents: 444
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66 cl = cl->next)
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parents: 444
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67 {
a88a3e4e158f nginx-0.1.5-RELEASE import
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parents: 444
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68 if (ngx_buf_special(cl->buf)) {
a88a3e4e158f nginx-0.1.5-RELEASE import
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parents: 444
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69 continue;
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70 }
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71
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72 size = cl->buf->last - cl->buf->pos;
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73
461
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74 if (send + size > limit) {
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75 size = (u_long) (limit - send);
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76 }
184
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77
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78 if (prev == cl->buf->pos) {
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79 wsabuf->len += cl->buf->last - cl->buf->pos;
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80
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81 } else {
501
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82 wsabuf = ngx_array_push(&vec);
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83 if (wsabuf == NULL) {
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84 return NGX_CHAIN_ERROR;
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85 }
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86
461
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87 wsabuf->buf = (char *) cl->buf->pos;
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88 wsabuf->len = cl->buf->last - cl->buf->pos;
184
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89 }
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90
461
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91 prev = cl->buf->last;
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92 send += size;
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93 }
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94
461
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95 sent = 0;
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96
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97 rc = WSASend(c->fd, vec.elts, vec.nelts, &sent, 0, NULL, NULL);
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98
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99 if (rc == -1) {
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100 err = ngx_errno;
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101
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102 if (err == WSAEWOULDBLOCK) {
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103 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
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104 "WSASend() not ready");
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105
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106 } else {
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107 wev->error = 1;
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108 ngx_connection_error(c, err, "WSASend() failed");
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109 return NGX_CHAIN_ERROR;
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110 }
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111 }
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112
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113 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
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114 "WSASend: fd:%d, s:%ul", c->fd, sent);
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115
473
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116 if (send - prev_send == sent) {
461
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117 complete = 1;
184
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118 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
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119
461
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120 c->sent += sent;
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diff changeset
121
5850
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parents: 4412
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122 cl = ngx_handle_sent_chain(in, sent);
461
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123
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124 if (!complete) {
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125 wev->ready = 0;
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126 return cl;
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127 }
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128
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
129 if (send >= limit || cl == NULL) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
130 return cl;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
131 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
132
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
133 in = cl;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
134 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
135 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
136
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
137
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
138 ngx_chain_t *
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
139 ngx_overlapped_wsasend_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
140 {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
141 int rc;
292
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 280
diff changeset
142 u_char *prev;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
143 u_long size, send, sent;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
144 ngx_err_t err;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
145 ngx_event_t *wev;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
146 ngx_array_t vec;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
147 ngx_chain_t *cl;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
148 LPWSAOVERLAPPED ovlp;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
149 LPWSABUF wsabuf;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
150 WSABUF wsabufs[NGX_WSABUFS];
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
151
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
152 wev = c->write;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
153
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
154 if (!wev->ready) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
155 return in;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
156 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
157
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
158 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
159 "wev->complete: %d", wev->complete);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
160
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
161 if (!wev->complete) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
162
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
163 /* post the overlapped WSASend() */
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
164
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
165 /* the maximum limit size is the maximum u_long value - the page size */
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
166
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
167 if (limit == 0 || limit > NGX_MAX_UINT32_VALUE - ngx_pagesize) {
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
168 limit = NGX_MAX_UINT32_VALUE - ngx_pagesize;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
169 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
170
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
171 /*
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
172 * WSABUFs must be 4-byte aligned otherwise
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
173 * WSASend() will return undocumented WSAEINVAL error.
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
174 */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
175
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
176 vec.elts = wsabufs;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
177 vec.nelts = 0;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
178 vec.size = sizeof(WSABUF);
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
179 vec.nalloc = NGX_WSABUFS;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
180 vec.pool = c->pool;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
181
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
182 send = 0;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
183 prev = NULL;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
184 wsabuf = NULL;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
185
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
186 /* create the WSABUF and coalesce the neighbouring bufs */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
187
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
188 for (cl = in;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
189 cl && vec.nelts < ngx_max_wsabufs && send < limit;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
190 cl = cl->next)
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
191 {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
192 if (ngx_buf_special(cl->buf)) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
193 continue;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
194 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
195
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
196 size = cl->buf->last - cl->buf->pos;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
197
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
198 if (send + size > limit) {
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
199 size = (u_long) (limit - send);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
200 }
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
201
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
202 if (prev == cl->buf->pos) {
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
203 wsabuf->len += cl->buf->last - cl->buf->pos;
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
204
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
205 } else {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
206 wsabuf = ngx_array_push(&vec);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
207 if (wsabuf == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
208 return NGX_CHAIN_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
209 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
210
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
211 wsabuf->buf = (char *) cl->buf->pos;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
212 wsabuf->len = cl->buf->last - cl->buf->pos;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
213 }
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
214
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
215 prev = cl->buf->last;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
216 send += size;
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
217 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
218
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
219 ovlp = (LPWSAOVERLAPPED) &c->write->ovlp;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
220 ngx_memzero(ovlp, sizeof(WSAOVERLAPPED));
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
221
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
222 rc = WSASend(c->fd, vec.elts, vec.nelts, &sent, 0, ovlp, NULL);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
223
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
224 wev->complete = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
225
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
226 if (rc == -1) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
227 err = ngx_errno;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
228
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
229 if (err == WSA_IO_PENDING) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
230 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
231 "WSASend() posted");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
232 wev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
233 return in;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
234
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
235 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
236 wev->error = 1;
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
237 ngx_connection_error(c, err, "WSASend() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
238 return NGX_CHAIN_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
239 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
240
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
241 } else if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
242
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
243 /*
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
244 * if a socket was bound with I/O completion port then
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
245 * GetQueuedCompletionStatus() would anyway return its status
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
246 * despite that WSASend() was already complete
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
247 */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
248
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
249 wev->active = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
250 return in;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
251 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
252
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
253 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
254 "WSASend: fd:%d, s:%ul", c->fd, sent);
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
255
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
256 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
257
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
258 /* the overlapped WSASend() complete */
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
259
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
260 wev->complete = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
261 wev->active = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
262
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
263 if (ngx_event_flags & NGX_USE_IOCP_EVENT) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
264 if (wev->ovlp.error) {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
265 ngx_connection_error(c, wev->ovlp.error, "WSASend() failed");
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
266 return NGX_CHAIN_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
267 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
268
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
269 sent = wev->available;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
270
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
271 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
272 if (WSAGetOverlappedResult(c->fd, (LPWSAOVERLAPPED) &wev->ovlp,
2776
88987e52be42 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2614
diff changeset
273 &sent, 0, NULL)
88987e52be42 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2614
diff changeset
274 == 0)
88987e52be42 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2614
diff changeset
275 {
278
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
276 ngx_connection_error(c, ngx_socket_errno,
0ba4821f4460 nginx-0.0.2-2004-03-04-10:04:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
277 "WSASend() or WSAGetOverlappedResult() failed");
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
278
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
279 return NGX_CHAIN_ERROR;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
280 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
281 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
282 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
283
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
284 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
285 "WSASend ovlp: fd:%d, s:%ul", c->fd, sent);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
286
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
287 c->sent += sent;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
288
5850
f9c83484d9ce Moved the code for adjusting sent buffers in a separate function.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
289 cl = ngx_handle_sent_chain(in, sent);
184
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
290
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
291 if (cl) {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
292 wev->ready = 0;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
293
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
294 } else {
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
295 wev->ready = 1;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
296 }
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
297
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
298 return cl;
1bf718ce0dde nginx-0.0.1-2003-11-14-10:20:34 import
Igor Sysoev <igor@sysoev.ru>
parents: 144
diff changeset
299 }