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annotate src/imap/ngx_imap_proxy.c @ 418:cf072d26d6d6

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nginx-0.0.10-2004-09-08-09:18:51 import
author Igor Sysoev <igor@sysoev.ru>
date Wed, 08 Sep 2004 05:18:51 +0000
parents
children 47709bff4468
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cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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1
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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2 #include <ngx_config.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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3 #include <ngx_core.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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4 #include <ngx_event.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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5 #include <ngx_imap.h>
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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6
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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7
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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8 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s);
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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9
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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10
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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11 void ngx_imap_proxy_handler(ngx_event_t *ev)
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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12 {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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13 ssize_t n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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14 ngx_buf_t *b;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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15 ngx_uint_t data, do_write;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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16 ngx_connection_t *c, *src, *dst;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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17 ngx_imap_session_t *s;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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18
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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19 c = ev->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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20 s = c->data;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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21
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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22 if (c == s->connection) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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23 src = c;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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24 dst = s->proxy->connection;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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25 b = s->proxy->downstream_buffer;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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26
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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27 } else {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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28 src = s->proxy->connection;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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29 dst = c;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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30 b = s->proxy->upstream_buffer;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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31 }
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32
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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33 do_write = ev->write ? 1 : 0;
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34
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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35 do {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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36 data = 0;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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37
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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38 if (do_write == 1) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
Igor Sysoev <igor@sysoev.ru>
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39 if (dst->write->ready && b->pos < b->last) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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40 n = ngx_send(dst, b->pos, b->last - b->pos);
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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41
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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42 if (n == NGX_ERROR) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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43 ngx_imap_proxy_close_session(s);
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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44 return;
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45 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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46
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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47 if (n > 0) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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48 data = 1;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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49 b->pos += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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50
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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51 if (b->pos == b->last) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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52 b->pos = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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53 b->last = b->start;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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54 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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55 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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56 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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57 }
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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58
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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59 if (src->read->ready && b->last < b->end) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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60 n = ngx_recv(src, b->last, b->end - b->last);
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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61
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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62 if (n == NGX_ERROR || n == 0) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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63 ngx_imap_proxy_close_session(s);
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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64 return;
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65 }
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66
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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67 if (n > 0) {
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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68 data = 1;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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69 do_write = 1;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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70 b->last += n;
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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71 }
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72 }
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73
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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74 } while (data);
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75 }
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cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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78 static void ngx_imap_proxy_close_session(ngx_imap_session_t *s)
cf072d26d6d6 nginx-0.0.10-2004-09-08-09:18:51 import
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79 {
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80 }