Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_recv.c @ 126:fcc79370b9a8
nginx-0.0.1-2003-08-06-18:43:50 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 06 Aug 2003 14:43:50 +0000 |
parents | 6dfda4cf5200 |
children | ef8c87afcfc5 |
rev | line source |
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_event.h> |
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7 static int ngx_unix_recv_error(ngx_event_t *rev, ngx_err_t err); |
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8 |
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10 #if (HAVE_KQUEUE) |
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11 |
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12 ssize_t ngx_unix_recv(ngx_connection_t *c, char *buf, size_t size) |
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13 { |
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14 ssize_t n; |
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15 ngx_event_t *rev; |
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16 |
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17 rev = c->read; |
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18 |
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19 if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { |
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20 ngx_log_debug(c->log, "recv: eof:%d, avail:%d, err:%d" _ |
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21 rev->eof _ rev->available _ rev->error); |
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22 |
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23 if (rev->available == 0) { |
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24 if (rev->eof) { |
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25 if (rev->error) { |
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26 rev->ready = 0; |
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27 ngx_set_socket_errno(rev->error); |
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28 return ngx_unix_recv_error(rev, rev->error); |
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29 } |
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30 return 0; |
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31 |
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32 } else { |
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33 return NGX_AGAIN; |
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34 } |
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35 } |
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36 } |
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37 |
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38 do { |
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39 n = recv(c->fd, buf, size, 0); |
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40 |
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41 ngx_log_debug(c->log, "recv: %d:%d" _ n _ size); |
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42 |
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43 if (n >= 0) { |
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44 if (ngx_event_flags & NGX_HAVE_KQUEUE_EVENT) { |
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45 rev->available -= n; |
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46 if (rev->available == 0) { |
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47 rev->ready = 0; |
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48 } |
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49 |
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50 return n; |
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51 } |
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52 |
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53 if ((size_t) n < size) { |
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54 rev->ready = 0; |
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55 } |
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56 |
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57 return n; |
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58 } |
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59 |
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60 rev->ready = 0; |
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61 n = ngx_unix_recv_error(rev, ngx_socket_errno); |
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62 |
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63 } while (n == NGX_EINTR); |
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64 |
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65 return n; |
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66 } |
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67 |
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68 #else /* ! NAVE_KQUEUE */ |
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69 |
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70 ssize_t ngx_unix_recv(ngx_connection_t *c, char *buf, size_t size) |
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71 { |
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72 ssize_t n; |
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73 ngx_event_t *rev; |
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74 |
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75 rev = c->read; |
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76 |
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77 do { |
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78 n = recv(c->fd, buf, size, 0); |
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79 |
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80 ngx_log_debug(c->log, "recv: %d:%d" _ n _ size); |
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81 |
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82 if (n >= 0) { |
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83 if ((size_t) n < size) { |
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84 rev->ready = 0; |
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85 } |
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86 return n; |
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87 } |
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88 |
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89 rev->ready = 0; |
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90 n = ngx_unix_recv_error(rev, ngx_socket_errno); |
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91 |
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92 } while (n == NGX_EINTR); |
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93 |
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94 return n; |
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95 } |
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96 |
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97 #endif /* NAVE_KQUEUE */ |
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98 |
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99 |
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100 static int ngx_unix_recv_error(ngx_event_t *rev, ngx_err_t err) |
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101 { |
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102 if (err == NGX_ECONNRESET && rev->ignore_econnreset) { |
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103 return 0; |
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104 } |
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105 |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
106 if (err == NGX_EAGAIN) { |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
107 ngx_log_error(NGX_LOG_INFO, rev->log, err, "recv() returned EAGAIN"); |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
108 return NGX_AGAIN; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
109 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
110 |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
111 if (err == NGX_EINTR) { |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
112 ngx_log_error(NGX_LOG_INFO, rev->log, err, "recv() returned EINTR"); |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
113 return NGX_EINTR; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
114 } |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
115 |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
116 ngx_log_error(NGX_LOG_ERR, rev->log, err, "recv() failed"); |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
117 |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
118 return NGX_ERROR; |
a23d010f356d
nginx-0.0.1-2003-05-27-16:18:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
93
diff
changeset
|
119 } |