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comparison src/os/win32/ngx_errno.c @ 2740:e5a4be07c3eb

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axe incomplete support of Winsock error descriptions on NT
author Igor Sysoev <igor@sysoev.ru>
date Wed, 22 Apr 2009 11:25:12 +0000
parents 58399dcc410a
children 234ddbff1b2e
comparison
equal deleted inserted replaced
2739:58399dcc410a 2740:e5a4be07c3eb
2 /* 2 /*
3 * Copyright (C) Igor Sysoev 3 * Copyright (C) Igor Sysoev
4 */ 4 */
5 5
6 6
7 /*
8 * TODO:
9 * add WSA error messages for NT and 98
10 */
11
12 #include <ngx_config.h> 7 #include <ngx_config.h>
13 #include <ngx_core.h> 8 #include <ngx_core.h>
14
15
16 static ngx_str_t wsa_errors[] = {
17 ngx_string("An invalid argument was supplied"), /* WSAEINVAL 10022 */
18 ngx_string("Too many open sockets"), /* WSAEMFILE 10023 */
19
20 ngx_null_string, /* 10024 */
21 ngx_null_string, /* 10025 */
22 ngx_null_string, /* 10026 */
23 ngx_null_string, /* 10027 */
24 ngx_null_string, /* 10028 */
25 ngx_null_string, /* 10029 */
26 ngx_null_string, /* 10030 */
27 ngx_null_string, /* 10031 */
28 ngx_null_string, /* 10032 */
29 ngx_null_string, /* 10033 */
30 ngx_null_string, /* 10034 */
31
32 /* WSAEWOULDBLOCK 10035 */
33 ngx_string("A non-blocking socket operation could not be completed "
34 "immediately"),
35
36 ngx_null_string, /* 10036 */
37 ngx_null_string, /* 10037 */
38
39 /* WSAENOTSOCK 10038 */
40 ngx_string("An operation was attempted on something that is not a socket"),
41
42 ngx_null_string, /* 10039 */
43 ngx_null_string, /* 10040 */
44 ngx_null_string, /* 10041 */
45
46 /* WSAENOPROTOOPT 10042 */
47 ngx_string("An unknown, invalid, or unsupported option or level was "
48 "specified in a getsockopt or setsockopt call"),
49
50 ngx_null_string, /* 10043 */
51 ngx_null_string, /* 10044 */
52 ngx_null_string, /* 10045 */
53 ngx_null_string, /* 10046 */
54 ngx_null_string, /* 10047 */
55 ngx_null_string, /* 10048 */
56 ngx_null_string, /* 10049 */
57 ngx_null_string, /* 10050 */
58 ngx_null_string, /* 10051 */
59 ngx_null_string, /* 10052 */
60 ngx_null_string, /* 10053 */
61
62 /* WSAECONNRESET 10054 */
63 ngx_string("An existing connection was forcibly closed by the remote host"),
64
65 /* WSAENOBUFS 10055 */
66 ngx_string("An operation on a socket could not be performed because "
67 "the system lacked sufficient buffer space or "
68 "because a queue was full"),
69
70 /* WSAEISCONN 10056 */
71 ngx_string("A connect request was made on an already connected socket"),
72
73 /* WSAENOTCONN 10057 */
74 ngx_string("A request to send or receive data was disallowed because"
75 "the socket is not connected and (when sending on a datagram "
76 "socket using a sendto call) no address was supplied"),
77
78 ngx_null_string, /* 10058 */
79 ngx_null_string, /* 10059 */
80
81 /* WSAETIMEDOUT 10060 */
82 ngx_string("A connection attempt failed because the connected party "
83 "did not properly respond after a period of time, "
84 "or established connection failed because connected host "
85 "has failed to respond"),
86
87 /* WSAECONNREFUSED 10061 */
88 ngx_string("No connection could be made because the target machine "
89 "actively refused it")
90 };
91 9
92 10
93 u_char * 11 u_char *
94 ngx_strerror_r(ngx_err_t err, u_char *errstr, size_t size) 12 ngx_strerror_r(ngx_err_t err, u_char *errstr, size_t size)
95 { 13 {
96 int n; 14 u_int len;
97 u_int len;
98 ngx_err_t format_error;
99 15
100 if (size == 0) { 16 if (size == 0) {
101 return errstr; 17 return errstr;
102 } 18 }
103 19
106 NULL, err, 22 NULL, err,
107 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT), 23 MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT),
108 (char *) errstr, size, NULL); 24 (char *) errstr, size, NULL);
109 25
110 if (len == 0) { 26 if (len == 0) {
111 format_error = GetLastError();
112
113 if (format_error == ERROR_MR_MID_NOT_FOUND) {
114 n = err - WSAEINVAL;
115
116 if (n >= 0 && n <= WSAECONNREFUSED - WSAEINVAL) {
117 len = wsa_errors[n].len;
118
119 if (len) {
120 if (len > size) {
121 len = size;
122 }
123
124 ngx_memcpy(errstr, wsa_errors[n].data, len);
125
126 return errstr + len;
127 }
128 }
129 }
130
131 return ngx_snprintf(errstr, size, 27 return ngx_snprintf(errstr, size,
132 "FormatMessage() error:(%d)", format_error); 28 "FormatMessage() error:(%d)", GetLastError());
133 } 29 }
134 30
135 /* remove ".\r\n\0" */ 31 /* remove ".\r\n\0" */
136 while (errstr[len] == '\0' || errstr[len] == CR 32 while (errstr[len] == '\0' || errstr[len] == CR
137 || errstr[len] == LF || errstr[len] == '.') 33 || errstr[len] == LF || errstr[len] == '.')