Mercurial > hg > nginx-quic
annotate src/core/ngx_inet.c @ 892:b579676ec6b2
unix socket upstreams always used the first unix upstream
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 06 Dec 2006 15:39:08 +0000 |
parents | 4d68c486fcb0 |
children | a0310ac2814f |
rev | line source |
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441
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
100
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8 #include <ngx_core.h> |
26
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9 |
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10 |
461 | 11 /* |
12 * ngx_sock_ntop() and ngx_inet_ntop() may be implemented as | |
581 | 13 * "ngx_sprintf(text, "%ud.%ud.%ud.%ud", p[0], p[1], p[2], p[3])", however, |
14 * they had been implemented long before the ngx_sprintf() had appeared | |
461 | 15 * and they are faster by 1.5-2.5 times, so it is worth to keep them. |
16 * | |
17 * By the way, the implementation using ngx_sprintf() is faster by 2.5-3 times | |
479 | 18 * than using FreeBSD libc's snprintf(). |
461 | 19 */ |
20 | |
21 | |
631 | 22 static ngx_inline size_t |
23 ngx_sprint_uchar(u_char *text, u_char c, size_t len) | |
291
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24 { |
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25 size_t n; |
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26 ngx_uint_t c1, c2; |
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27 |
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28 n = 0; |
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29 |
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30 if (len == n) { |
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31 return n; |
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32 } |
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33 |
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34 c1 = c / 100; |
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35 |
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36 if (c1) { |
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37 *text++ = (u_char) (c1 + '0'); |
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38 n++; |
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39 |
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40 if (len == n) { |
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41 return n; |
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42 } |
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43 } |
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44 |
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45 c2 = (c % 100) / 10; |
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46 |
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47 if (c1 || c2) { |
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48 *text++ = (u_char) (c2 + '0'); |
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49 n++; |
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50 |
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51 if (len == n) { |
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52 return n; |
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53 } |
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54 } |
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55 |
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56 c2 = c % 10; |
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57 |
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58 *text++ = (u_char) (c2 + '0'); |
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59 n++; |
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60 |
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61 return n; |
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62 } |
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63 |
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64 |
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65 /* AF_INET only */ |
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66 |
509 | 67 size_t |
68 ngx_sock_ntop(int family, struct sockaddr *sa, u_char *text, size_t len) | |
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69 { |
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70 u_char *p; |
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71 size_t n; |
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72 ngx_uint_t i; |
479 | 73 struct sockaddr_in *sin; |
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74 |
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75 if (len == 0) { |
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76 return 0; |
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77 } |
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78 |
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79 if (family != AF_INET) { |
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80 return 0; |
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81 } |
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82 |
479 | 83 sin = (struct sockaddr_in *) sa; |
84 p = (u_char *) &sin->sin_addr; | |
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85 |
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86 if (len > INET_ADDRSTRLEN) { |
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87 len = INET_ADDRSTRLEN; |
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88 } |
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89 |
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90 n = ngx_sprint_uchar(text, p[0], len); |
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91 |
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92 i = 1; |
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93 |
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94 do { |
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95 if (len == n) { |
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96 text[n - 1] = '\0'; |
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97 return n; |
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98 } |
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99 |
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100 text[n++] = '.'; |
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101 |
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102 if (len == n) { |
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103 text[n - 1] = '\0'; |
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104 return n; |
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105 } |
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106 |
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107 n += ngx_sprint_uchar(&text[n], p[i++], len - n); |
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108 |
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109 } while (i < 4); |
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110 |
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111 if (len == n) { |
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112 text[n] = '\0'; |
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113 return n; |
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114 } |
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115 |
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116 text[n] = '\0'; |
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117 |
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118 return n; |
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119 } |
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120 |
509 | 121 size_t |
122 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len) | |
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123 { |
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diff
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|
124 u_char *p; |
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diff
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|
125 size_t n; |
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diff
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|
126 ngx_uint_t i; |
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parents:
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diff
changeset
|
127 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
128 if (len == 0) { |
117ccc7c4055
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parents:
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diff
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129 return 0; |
117ccc7c4055
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parents:
290
diff
changeset
|
130 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
131 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
132 if (family != AF_INET) { |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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parents:
diff
changeset
|
133 return 0; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
134 } |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 |
291
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
136 p = (u_char *) addr; |
117ccc7c4055
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parents:
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diff
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|
137 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
138 if (len > INET_ADDRSTRLEN) { |
117ccc7c4055
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parents:
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diff
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|
139 len = INET_ADDRSTRLEN; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
140 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
141 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
142 n = ngx_sprint_uchar(text, p[0], len); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
143 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
144 i = 1; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
changeset
|
145 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
146 do { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
147 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
changeset
|
148 text[n - 1] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
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diff
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|
149 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
150 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
151 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
152 text[n++] = '.'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
153 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
154 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
155 text[n - 1] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
156 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
157 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
158 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
159 n += ngx_sprint_uchar(&text[n], p[i++], len - n); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
160 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
161 } while (i < 4); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
162 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
163 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
164 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
165 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
166 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
167 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
168 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
169 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
170 return n; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 } |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
172 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
173 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
174 /* AF_INET only */ |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
175 |
509 | 176 ngx_int_t |
177 ngx_ptocidr(ngx_str_t *text, void *cidr) | |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
178 { |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
179 ngx_int_t m; |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
180 ngx_uint_t i; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
181 ngx_inet_cidr_t *in_cidr; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
182 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
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parents:
291
diff
changeset
|
183 in_cidr = cidr; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
184 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
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parents:
291
diff
changeset
|
185 for (i = 0; i < text->len; i++) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
186 if (text->data[i] == '/') { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
187 break; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
188 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
189 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
190 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
191 if (i == text->len) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
192 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
193 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
194 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
195 text->data[i] = '\0'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
196 in_cidr->addr = inet_addr((char *) text->data); |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
197 text->data[i] = '/'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
198 if (in_cidr->addr == INADDR_NONE) { |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
199 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
200 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
201 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
202 m = ngx_atoi(&text->data[i + 1], text->len - (i + 1)); |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
203 if (m == NGX_ERROR) { |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
204 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
205 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
206 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
207 if (m == 0) { |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
208 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
209 /* the x86 compilers use the shl instruction that shifts by modulo 32 */ |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
210 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
211 in_cidr->mask = 0; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
212 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
213 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
214 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
368
diff
changeset
|
215 in_cidr->mask = htonl((ngx_uint_t) (0 - (1 << (32 - m)))); |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
216 |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
217 return NGX_OK; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
218 } |
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
219 |
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
220 |
651 | 221 ngx_int_t |
222 ngx_parse_url(ngx_conf_t *cf, ngx_url_t *u) | |
223 { | |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
224 u_char *p, *host; |
651 | 225 size_t len; |
226 ngx_int_t port; | |
227 ngx_uint_t i; | |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
228 struct hostent *h; |
651 | 229 #if (NGX_HAVE_UNIX_DOMAIN) |
230 struct sockaddr_un *saun; | |
231 #endif | |
232 | |
233 len = u->url.len; | |
234 p = u->url.data; | |
235 | |
236 if (ngx_strncasecmp(p, "unix:", 5) == 0) { | |
237 | |
238 #if (NGX_HAVE_UNIX_DOMAIN) | |
239 | |
240 p += 5; | |
241 len -= 5; | |
242 | |
712
2452d89efea9
fix uri part in "proxy_pass http://unix:...", the bug appeared in nginx-0.3.47
Igor Sysoev <igor@sysoev.ru>
parents:
711
diff
changeset
|
243 u->uri.len = len; |
2452d89efea9
fix uri part in "proxy_pass http://unix:...", the bug appeared in nginx-0.3.47
Igor Sysoev <igor@sysoev.ru>
parents:
711
diff
changeset
|
244 u->uri.data = p; |
2452d89efea9
fix uri part in "proxy_pass http://unix:...", the bug appeared in nginx-0.3.47
Igor Sysoev <igor@sysoev.ru>
parents:
711
diff
changeset
|
245 |
651 | 246 if (u->uri_part) { |
247 for (i = 0; i < len; i++) { | |
248 | |
249 if (p[i] == ':') { | |
250 len = i; | |
251 | |
252 u->uri.len -= len + 1; | |
253 u->uri.data += len + 1; | |
254 | |
255 break; | |
256 } | |
257 } | |
258 } | |
259 | |
260 if (len == 0) { | |
261 u->err = "no path in the unix domain socket"; | |
262 return NGX_ERROR; | |
263 } | |
264 | |
265 if (len + 1 > sizeof(saun->sun_path)) { | |
266 u->err = "too long path in the unix domain socket"; | |
267 return NGX_ERROR; | |
268 } | |
269 | |
884 | 270 u->addrs = ngx_pcalloc(cf->pool, sizeof(ngx_peer_addr_t)); |
271 if (u->addrs == NULL) { | |
651 | 272 return NGX_ERROR; |
273 } | |
274 | |
275 saun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un)); | |
276 if (saun == NULL) { | |
277 return NGX_ERROR; | |
278 } | |
279 | |
884 | 280 u->naddrs = 1; |
651 | 281 |
282 saun->sun_family = AF_UNIX; | |
283 (void) ngx_cpystrn((u_char *) saun->sun_path, p, len + 1); | |
284 | |
884 | 285 u->addrs[0].sockaddr = (struct sockaddr *) saun; |
286 u->addrs[0].socklen = sizeof(struct sockaddr_un); | |
287 u->addrs[0].name.len = len + 5; | |
288 u->addrs[0].name.data = u->url.data; | |
651 | 289 |
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290 u->host.len = len; |
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291 u->host.data = p; |
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292 |
651 | 293 u->host_header.len = sizeof("localhost") - 1; |
294 u->host_header.data = (u_char *) "localhost"; | |
295 | |
296 return NGX_OK; | |
297 | |
298 #else | |
299 u->err = "the unix domain sockets are not supported on this platform"; | |
300 | |
301 return NGX_ERROR; | |
302 | |
303 #endif | |
304 } | |
305 | |
306 if ((p[0] == ':' || p[0] == '/') && !u->listen) { | |
307 u->err = "invalid host"; | |
308 return NGX_ERROR; | |
309 } | |
310 | |
311 u->host.data = p; | |
312 u->host_header.len = len; | |
313 u->host_header.data = p; | |
314 | |
315 for (i = 0; i < len; i++) { | |
316 | |
317 if (p[i] == ':') { | |
318 u->port.data = &p[i + 1]; | |
319 u->host.len = i; | |
320 | |
321 if (!u->uri_part) { | |
884 | 322 u->port.len = len - (i + 1); |
651 | 323 break; |
324 } | |
325 } | |
326 | |
327 if (p[i] == '/') { | |
328 u->uri.len = len - i; | |
329 u->uri.data = &p[i]; | |
330 u->host_header.len = i; | |
331 | |
332 if (u->host.len == 0) { | |
333 u->host.len = i; | |
334 } | |
335 | |
336 if (u->port.data == NULL) { | |
884 | 337 u->no_port = 1; |
338 goto no_port; | |
651 | 339 } |
340 | |
341 u->port.len = &p[i] - u->port.data; | |
342 | |
343 if (u->port.len == 0) { | |
344 u->err = "invalid port"; | |
345 return NGX_ERROR; | |
346 } | |
347 | |
348 break; | |
349 } | |
350 } | |
351 | |
352 if (u->port.data) { | |
353 | |
354 if (u->port.len == 0) { | |
355 u->port.len = &p[i] - u->port.data; | |
356 | |
357 if (u->port.len == 0) { | |
358 u->err = "invalid port"; | |
359 return NGX_ERROR; | |
360 } | |
361 } | |
362 | |
363 port = ngx_atoi(u->port.data, u->port.len); | |
364 | |
365 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
366 u->err = "invalid port"; | |
367 return NGX_ERROR; | |
368 } | |
369 | |
370 } else { | |
371 port = ngx_atoi(p, len); | |
372 | |
373 if (port == NGX_ERROR) { | |
374 u->host.len = len; | |
884 | 375 u->no_port = 1; |
651 | 376 |
884 | 377 goto no_port; |
651 | 378 } |
379 | |
380 u->port.len = len; | |
381 u->port.data = p; | |
382 u->wildcard = 1; | |
383 } | |
384 | |
385 u->portn = (in_port_t) port; | |
386 | |
884 | 387 no_port: |
651 | 388 |
389 if (u->listen) { | |
884 | 390 |
804
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391 if (u->portn == 0) { |
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392 if (u->default_portn == 0) { |
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393 u->err = "no port"; |
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394 return NGX_ERROR; |
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395 } |
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396 |
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397 u->portn = u->default_portn; |
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398 } |
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399 |
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400 if (u->host.len == 1 && u->host.data[0] == '*') { |
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401 u->host.len = 0; |
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402 } |
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403 |
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404 /* AF_INET only */ |
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405 |
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406 if (u->host.len) { |
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407 |
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408 host = ngx_palloc(cf->temp_pool, u->host.len + 1); |
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409 if (host == NULL) { |
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410 return NGX_ERROR; |
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411 } |
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412 |
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413 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
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414 |
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415 u->addr.in_addr = inet_addr((const char *) host); |
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416 |
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417 if (u->addr.in_addr == INADDR_NONE) { |
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418 h = gethostbyname((const char *) host); |
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419 |
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420 if (h == NULL || h->h_addr_list[0] == NULL) { |
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421 u->err = "host not found"; |
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422 return NGX_ERROR; |
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423 } |
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424 |
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425 u->addr.in_addr = *(in_addr_t *)(h->h_addr_list[0]); |
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426 } |
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427 |
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428 } else { |
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429 u->addr.in_addr = INADDR_ANY; |
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430 } |
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431 |
651 | 432 return NGX_OK; |
433 } | |
434 | |
884 | 435 if (u->no_port) { |
651 | 436 |
884 | 437 if (u->default_portn == 0 && !u->upstream) { |
651 | 438 u->err = "no port"; |
439 return NGX_ERROR; | |
440 } | |
441 | |
442 u->portn = u->default_portn; | |
443 | |
444 u->port.data = ngx_palloc(cf->pool, sizeof("65536") - 1); | |
445 if (u->port.data == NULL) { | |
446 return NGX_ERROR; | |
447 } | |
448 | |
449 u->port.len = ngx_sprintf(u->port.data, "%d", u->portn) - u->port.data; | |
450 | |
884 | 451 } else if (u->portn == 0) { |
651 | 452 |
453 u->err = "no port"; | |
454 return NGX_ERROR; | |
455 } | |
456 | |
457 if (u->host.len == 0) { | |
458 u->err = "no host"; | |
459 return NGX_ERROR; | |
460 } | |
461 | |
884 | 462 if (u->no_resolve) { |
463 return NGX_OK; | |
651 | 464 } |
465 | |
884 | 466 if (ngx_inet_resolve_host(cf, u) != NGX_OK) { |
651 | 467 return NGX_ERROR; |
468 } | |
469 | |
470 return NGX_OK; | |
471 } | |
472 | |
473 | |
884 | 474 ngx_int_t |
475 ngx_inet_resolve_host(ngx_conf_t *cf, ngx_url_t *u) | |
651 | 476 { |
477 u_char *host; | |
478 size_t len; | |
479 in_addr_t in_addr; | |
480 ngx_uint_t i; | |
481 struct hostent *h; | |
482 struct sockaddr_in *sin; | |
483 | |
884 | 484 host = ngx_palloc(cf->temp_pool, u->host.len + 1); |
651 | 485 if (host == NULL) { |
884 | 486 return NGX_ERROR; |
651 | 487 } |
488 | |
884 | 489 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
651 | 490 |
491 /* AF_INET only */ | |
492 | |
493 in_addr = inet_addr((char *) host); | |
494 | |
495 if (in_addr == INADDR_NONE) { | |
496 h = gethostbyname((char *) host); | |
497 | |
498 if (h == NULL || h->h_addr_list[0] == NULL) { | |
884 | 499 u->err = "host not found"; |
500 return NGX_ERROR; | |
651 | 501 } |
502 | |
884 | 503 if (u->one_addr == 0) { |
504 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
505 | |
506 } else { | |
507 i = 1; | |
508 } | |
651 | 509 |
510 /* MP: ngx_shared_palloc() */ | |
511 | |
884 | 512 u->addrs = ngx_pcalloc(cf->pool, i * sizeof(ngx_peer_addr_t)); |
513 if (u->addrs == NULL) { | |
514 return NGX_ERROR; | |
651 | 515 } |
516 | |
884 | 517 u->naddrs = i; |
651 | 518 |
519 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
520 | |
521 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
522 if (sin == NULL) { | |
884 | 523 return NGX_ERROR; |
651 | 524 } |
525 | |
526 sin->sin_family = AF_INET; | |
884 | 527 sin->sin_port = htons(u->portn); |
651 | 528 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); |
529 | |
884 | 530 u->addrs[i].sockaddr = (struct sockaddr *) sin; |
531 u->addrs[i].socklen = sizeof(struct sockaddr_in); | |
651 | 532 |
533 len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1; | |
534 | |
884 | 535 u->addrs[i].name.data = ngx_palloc(cf->pool, len); |
536 if (u->addrs[i].name.data == NULL) { | |
537 return NGX_ERROR; | |
651 | 538 } |
539 | |
540 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, | |
884 | 541 u->addrs[i].name.data, len); |
651 | 542 |
884 | 543 u->addrs[i].name.len = ngx_sprintf(&u->addrs[i].name.data[len], |
544 ":%d", u->portn) | |
545 - u->addrs[i].name.data; | |
651 | 546 } |
547 | |
548 } else { | |
549 | |
550 /* MP: ngx_shared_palloc() */ | |
551 | |
884 | 552 u->addrs = ngx_pcalloc(cf->pool, sizeof(ngx_peer_addr_t)); |
553 if (u->addrs == NULL) { | |
554 return NGX_ERROR; | |
651 | 555 } |
556 | |
557 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
558 if (sin == NULL) { | |
884 | 559 return NGX_ERROR; |
651 | 560 } |
561 | |
884 | 562 u->naddrs = 1; |
651 | 563 |
564 sin->sin_family = AF_INET; | |
884 | 565 sin->sin_port = htons(u->portn); |
651 | 566 sin->sin_addr.s_addr = in_addr; |
567 | |
884 | 568 u->addrs[0].sockaddr = (struct sockaddr *) sin; |
569 u->addrs[0].socklen = sizeof(struct sockaddr_in); | |
651 | 570 |
884 | 571 u->addrs[0].name.data = ngx_palloc(cf->pool, |
572 u->host.len + sizeof(":65536") - 1); | |
573 if (u->addrs[0].name.data == NULL) { | |
574 return NGX_ERROR; | |
651 | 575 } |
576 | |
884 | 577 u->addrs[0].name.len = ngx_sprintf(u->addrs[0].name.data, "%V:%d", |
578 &u->host, u->portn) | |
579 - u->addrs[0].name.data; | |
651 | 580 } |
581 | |
884 | 582 return NGX_OK; |
651 | 583 } |