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annotate src/event/ngx_event_accept.c @ 0:4eff17414a43

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nginx-0.0.1-2002-08-06-20:39:45 import The first code that uses "ngx_" prefix, the previous one used "gx_" prefix. At that point the code is not yet usable. The first draft ideas are dated back to 23.10.2001.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 06 Aug 2002 16:39:45 +0000
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children 34a521b1a148
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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1
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <ngx_config.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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3 #include <ngx_types.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_log.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_connection.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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6 #include <ngx_event.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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7 #include <ngx_event_close.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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8 #include <ngx_event_accept.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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11 int ngx_event_accept(ngx_event_t *ev)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12 {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 ngx_err_t err;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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14 ngx_socket_t s;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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15 struct sockaddr_in addr;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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16 int addrlen = sizeof(struct sockaddr_in);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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17 ngx_connection_t *cn = (ngx_connection_t *) ev->data;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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19 ngx_log_debug(ev->log, "ngx_event_accept: accept ready: %d" _
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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20 ev->available);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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22 ev->ready = 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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23
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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24 do {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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25 if ((s = accept(cn->fd, (struct sockaddr *) &addr, &addrlen)) == -1) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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26 err = ngx_socket_errno;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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27 if (err == NGX_EAGAIN) {
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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28 ngx_log_error(NGX_LOG_INFO, ev->log, err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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29 "ngx_event_accept: EAGAIN while accept");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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30 return 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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31 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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32
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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33 ngx_log_error(NGX_LOG_ERR, ev->log, err,
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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34 "ngx_event_accept: accept failed");
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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35 /* if we return -1 listen socket would be closed */
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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36 return 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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37 }
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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38
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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39 ngx_log_debug(ev->log, "ngx_event_accept: accepted socket: %d" _ s);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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40
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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41 ngx_memzero(&ngx_read_events[s], sizeof(ngx_event_t));
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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42 ngx_memzero(&ngx_write_events[s], sizeof(ngx_event_t));
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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43 ngx_memzero(&ngx_connections[s], sizeof(ngx_connection_t));
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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44
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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45 ngx_read_events[s].data = ngx_write_events[s].data
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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46 = &ngx_connections[s];
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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47 ngx_connections[s].read = &ngx_read_events[s];
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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48 ngx_connections[s].write = &ngx_write_events[s];
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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49
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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50 ngx_connections[s].fd = s;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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51 ngx_read_events[s].unexpected_eof = 1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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52 ngx_write_events[s].ready = 1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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53
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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54 ngx_write_events[s].timer = ngx_read_events[s].timer = 10000;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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55
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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56 ngx_write_events[s].timer_handler =
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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57 ngx_read_events[s].timer_handler = ngx_event_close;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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58
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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59 ngx_write_events[s].close_handler =
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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60 ngx_read_events[s].close_handler = ngx_event_close;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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61
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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62 ngx_connections[s].server = cn->server;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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63 ngx_connections[s].servers = cn->servers;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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64 ngx_connections[s].log =
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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65 ngx_read_events[s].log = ngx_write_events[s].log = ev->log;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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66
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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67 #if (HAVE_DEFERRED_ACCEPT)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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68 if (ev->accept_filter)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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69 ngx_read_events[s].ready = 1;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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70 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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71
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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72 cn->server->handler(&ngx_connections[s]);
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73
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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74 #if (HAVE_KQUEUE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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75 #if !(USE_KQUEUE)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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76 if (ngx_event_type == NGX_KQUEUE_EVENT)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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77 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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78 ev->available--;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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79 #endif
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
Igor Sysoev <igor@sysoev.ru>
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80 } while (ev->available);
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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81
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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82 return 0;
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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83 }