Mercurial > hg > nginx
annotate src/core/ngx_inet.c @ 832:fe681917a24d
style fix
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 31 Oct 2006 12:30:24 +0000 |
parents | eef6d9cc45da |
children | 4d68c486fcb0 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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5 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
479 | 9 #include <ngx_event.h> |
10 #include <ngx_event_connect.h> | |
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12 |
461 | 13 /* |
14 * ngx_sock_ntop() and ngx_inet_ntop() may be implemented as | |
581 | 15 * "ngx_sprintf(text, "%ud.%ud.%ud.%ud", p[0], p[1], p[2], p[3])", however, |
16 * they had been implemented long before the ngx_sprintf() had appeared | |
461 | 17 * and they are faster by 1.5-2.5 times, so it is worth to keep them. |
18 * | |
19 * By the way, the implementation using ngx_sprintf() is faster by 2.5-3 times | |
479 | 20 * than using FreeBSD libc's snprintf(). |
461 | 21 */ |
22 | |
23 | |
631 | 24 static ngx_inline size_t |
25 ngx_sprint_uchar(u_char *text, u_char c, size_t len) | |
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26 { |
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27 size_t n; |
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28 ngx_uint_t c1, c2; |
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29 |
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30 n = 0; |
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31 |
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32 if (len == n) { |
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33 return n; |
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34 } |
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35 |
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36 c1 = c / 100; |
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37 |
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38 if (c1) { |
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39 *text++ = (u_char) (c1 + '0'); |
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40 n++; |
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41 |
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42 if (len == n) { |
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43 return n; |
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44 } |
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45 } |
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46 |
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47 c2 = (c % 100) / 10; |
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48 |
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49 if (c1 || c2) { |
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50 *text++ = (u_char) (c2 + '0'); |
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51 n++; |
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52 |
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53 if (len == n) { |
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54 return n; |
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55 } |
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56 } |
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57 |
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58 c2 = c % 10; |
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59 |
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60 *text++ = (u_char) (c2 + '0'); |
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61 n++; |
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62 |
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63 return n; |
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64 } |
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65 |
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66 |
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67 /* AF_INET only */ |
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68 |
509 | 69 size_t |
70 ngx_sock_ntop(int family, struct sockaddr *sa, u_char *text, size_t len) | |
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71 { |
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72 u_char *p; |
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73 size_t n; |
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74 ngx_uint_t i; |
479 | 75 struct sockaddr_in *sin; |
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76 |
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77 if (len == 0) { |
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78 return 0; |
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79 } |
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80 |
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81 if (family != AF_INET) { |
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82 return 0; |
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83 } |
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84 |
479 | 85 sin = (struct sockaddr_in *) sa; |
86 p = (u_char *) &sin->sin_addr; | |
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87 |
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88 if (len > INET_ADDRSTRLEN) { |
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89 len = INET_ADDRSTRLEN; |
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90 } |
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91 |
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92 n = ngx_sprint_uchar(text, p[0], len); |
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93 |
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94 i = 1; |
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95 |
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96 do { |
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97 if (len == n) { |
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98 text[n - 1] = '\0'; |
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99 return n; |
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100 } |
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101 |
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102 text[n++] = '.'; |
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103 |
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104 if (len == n) { |
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105 text[n - 1] = '\0'; |
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106 return n; |
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107 } |
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108 |
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109 n += ngx_sprint_uchar(&text[n], p[i++], len - n); |
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110 |
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111 } while (i < 4); |
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112 |
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113 if (len == n) { |
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114 text[n] = '\0'; |
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115 return n; |
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116 } |
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117 |
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118 text[n] = '\0'; |
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119 |
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120 return n; |
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121 } |
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122 |
509 | 123 size_t |
124 ngx_inet_ntop(int family, void *addr, u_char *text, size_t len) | |
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125 { |
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parents:
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diff
changeset
|
126 u_char *p; |
117ccc7c4055
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parents:
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diff
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|
127 size_t n; |
117ccc7c4055
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diff
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|
128 ngx_uint_t i; |
117ccc7c4055
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parents:
290
diff
changeset
|
129 |
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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|
130 if (len == 0) { |
117ccc7c4055
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parents:
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diff
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|
131 return 0; |
117ccc7c4055
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parents:
290
diff
changeset
|
132 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
133 |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
134 if (family != AF_INET) { |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
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parents:
diff
changeset
|
135 return 0; |
57
a499e0d1f16e
nginx-0.0.1-2003-01-30-10:28:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
26
diff
changeset
|
136 } |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 |
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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|
138 p = (u_char *) addr; |
117ccc7c4055
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parents:
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diff
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|
139 |
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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|
140 if (len > INET_ADDRSTRLEN) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
141 len = INET_ADDRSTRLEN; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
changeset
|
142 } |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
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 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
|
145 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
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parents:
290
diff
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|
146 i = 1; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
147 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
148 do { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
149 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
150 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
|
151 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
152 } |
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 text[n++] = '.'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
155 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
156 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
157 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
|
158 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
159 } |
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 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
|
162 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
163 } while (i < 4); |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
164 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
165 if (len == n) { |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
166 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
167 return n; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
168 } |
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 text[n] = '\0'; |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
171 |
117ccc7c4055
nginx-0.0.3-2004-03-16-16:35:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
172 return n; |
26
53cb81681040
nginx-0.0.1-2002-12-15-09:25:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 } |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
174 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
175 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
176 /* AF_INET only */ |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
177 |
509 | 178 ngx_int_t |
179 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
|
180 { |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
181 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
|
182 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
|
183 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
|
184 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
185 in_cidr = cidr; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
186 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
187 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
|
188 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
|
189 break; |
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 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
192 |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
193 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
|
194 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
195 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
196 |
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] = '\0'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
198 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
|
199 text->data[i] = '/'; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
200 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
|
201 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
202 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
203 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
204 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
|
205 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
|
206 return NGX_ERROR; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
207 } |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
208 |
368
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
209 if (m == 0) { |
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 /* 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
|
212 |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
213 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
|
214 return NGX_OK; |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
215 } |
15c84a40e87d
nginx-0.0.7-2004-06-24-20:07:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
340
diff
changeset
|
216 |
404
37b5381fb6d8
nginx-0.0.9-2004-07-30-21:05:14 import
Igor Sysoev <igor@sysoev.ru>
parents:
368
diff
changeset
|
217 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
|
218 |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
219 return NGX_OK; |
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
291
diff
changeset
|
220 } |
425
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
221 |
bd39260a1383
nginx-0.0.10-2004-09-14-19:55:24 import
Igor Sysoev <igor@sysoev.ru>
parents:
404
diff
changeset
|
222 |
651 | 223 ngx_int_t |
224 ngx_parse_url(ngx_conf_t *cf, ngx_url_t *u) | |
225 { | |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
226 u_char *p, *host; |
651 | 227 size_t len; |
228 ngx_int_t port; | |
229 ngx_uint_t i; | |
804
472cd9768ac2
now the "listen" directives use ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
712
diff
changeset
|
230 struct hostent *h; |
651 | 231 #if (NGX_HAVE_UNIX_DOMAIN) |
232 struct sockaddr_un *saun; | |
233 #endif | |
234 | |
235 len = u->url.len; | |
236 p = u->url.data; | |
237 | |
238 if (ngx_strncasecmp(p, "unix:", 5) == 0) { | |
239 | |
240 #if (NGX_HAVE_UNIX_DOMAIN) | |
241 | |
242 u->type = NGX_PARSE_URL_UNIX; | |
243 | |
244 p += 5; | |
245 len -= 5; | |
246 | |
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
|
247 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
|
248 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
|
249 |
651 | 250 if (u->uri_part) { |
251 for (i = 0; i < len; i++) { | |
252 | |
253 if (p[i] == ':') { | |
254 len = i; | |
255 | |
256 u->uri.len -= len + 1; | |
257 u->uri.data += len + 1; | |
258 | |
259 break; | |
260 } | |
261 } | |
262 } | |
263 | |
264 if (len == 0) { | |
265 u->err = "no path in the unix domain socket"; | |
266 return NGX_ERROR; | |
267 } | |
268 | |
269 if (len + 1 > sizeof(saun->sun_path)) { | |
270 u->err = "too long path in the unix domain socket"; | |
271 return NGX_ERROR; | |
272 } | |
273 | |
274 u->peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); | |
275 if (u->peers == NULL) { | |
276 return NGX_ERROR; | |
277 } | |
278 | |
279 saun = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_un)); | |
280 if (saun == NULL) { | |
281 return NGX_ERROR; | |
282 } | |
283 | |
284 u->peers->number = 1; | |
285 | |
286 saun->sun_family = AF_UNIX; | |
287 (void) ngx_cpystrn((u_char *) saun->sun_path, p, len + 1); | |
288 | |
289 u->peers->peer[0].sockaddr = (struct sockaddr *) saun; | |
290 u->peers->peer[0].socklen = sizeof(struct sockaddr_un); | |
712
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291 u->peers->peer[0].name.len = len + 5; |
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292 u->peers->peer[0].name.data = u->url.data; |
651 | 293 u->peers->peer[0].uri_separator = ":"; |
294 | |
295 u->host_header.len = sizeof("localhost") - 1; | |
296 u->host_header.data = (u_char *) "localhost"; | |
297 | |
298 return NGX_OK; | |
299 | |
300 #else | |
301 u->err = "the unix domain sockets are not supported on this platform"; | |
302 | |
303 return NGX_ERROR; | |
304 | |
305 #endif | |
306 } | |
307 | |
308 if ((p[0] == ':' || p[0] == '/') && !u->listen) { | |
309 u->err = "invalid host"; | |
310 return NGX_ERROR; | |
311 } | |
312 | |
313 u->type = NGX_PARSE_URL_INET; | |
314 | |
315 u->host.data = p; | |
316 u->host_header.len = len; | |
317 u->host_header.data = p; | |
318 | |
319 for (i = 0; i < len; i++) { | |
320 | |
321 if (p[i] == ':') { | |
322 u->port.data = &p[i + 1]; | |
323 u->host.len = i; | |
324 | |
325 if (!u->uri_part) { | |
326 u->port.len = &p[len] - u->port.data; | |
327 break; | |
328 } | |
329 } | |
330 | |
331 if (p[i] == '/') { | |
332 u->uri.len = len - i; | |
333 u->uri.data = &p[i]; | |
334 u->host_header.len = i; | |
335 | |
336 if (u->host.len == 0) { | |
337 u->host.len = i; | |
338 } | |
339 | |
340 if (u->port.data == NULL) { | |
341 u->default_port = 1; | |
342 goto port; | |
343 } | |
344 | |
345 u->port.len = &p[i] - u->port.data; | |
346 | |
347 if (u->port.len == 0) { | |
348 u->err = "invalid port"; | |
349 return NGX_ERROR; | |
350 } | |
351 | |
352 break; | |
353 } | |
354 } | |
355 | |
356 if (u->port.data) { | |
357 | |
358 if (u->port.len == 0) { | |
359 u->port.len = &p[i] - u->port.data; | |
360 | |
361 if (u->port.len == 0) { | |
362 u->err = "invalid port"; | |
363 return NGX_ERROR; | |
364 } | |
365 } | |
366 | |
367 port = ngx_atoi(u->port.data, u->port.len); | |
368 | |
369 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
370 u->err = "invalid port"; | |
371 return NGX_ERROR; | |
372 } | |
373 | |
374 } else { | |
375 port = ngx_atoi(p, len); | |
376 | |
377 if (port == NGX_ERROR) { | |
378 u->default_port = 1; | |
379 u->host.len = len; | |
380 | |
381 goto port; | |
382 } | |
383 | |
384 u->port.len = len; | |
385 u->port.data = p; | |
386 u->wildcard = 1; | |
387 } | |
388 | |
389 u->portn = (in_port_t) port; | |
390 | |
391 port: | |
392 | |
393 if (u->listen) { | |
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394 if (u->portn == 0) { |
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395 if (u->default_portn == 0) { |
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396 u->err = "no port"; |
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397 return NGX_ERROR; |
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398 } |
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399 |
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400 u->portn = u->default_portn; |
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401 } |
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402 |
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403 if (u->host.len == 1 && u->host.data[0] == '*') { |
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404 u->host.len = 0; |
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405 } |
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406 |
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407 /* AF_INET only */ |
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408 |
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409 if (u->host.len) { |
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410 |
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411 host = ngx_palloc(cf->temp_pool, u->host.len + 1); |
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412 if (host == NULL) { |
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413 return NGX_ERROR; |
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414 } |
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415 |
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416 (void) ngx_cpystrn(host, u->host.data, u->host.len + 1); |
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417 |
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418 u->addr.in_addr = inet_addr((const char *) host); |
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419 |
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420 if (u->addr.in_addr == INADDR_NONE) { |
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421 h = gethostbyname((const char *) host); |
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422 |
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423 if (h == NULL || h->h_addr_list[0] == NULL) { |
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424 u->err = "host not found"; |
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425 return NGX_ERROR; |
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426 } |
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427 |
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428 u->addr.in_addr = *(in_addr_t *)(h->h_addr_list[0]); |
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429 } |
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430 |
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431 } else { |
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432 u->addr.in_addr = INADDR_ANY; |
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433 } |
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434 |
651 | 435 return NGX_OK; |
436 } | |
437 | |
438 if (u->default_port) { | |
439 | |
440 if (u->upstream) { | |
441 return NGX_OK; | |
442 } | |
443 | |
444 if (u->default_portn == 0) { | |
445 u->err = "no port"; | |
446 return NGX_ERROR; | |
447 } | |
448 | |
449 u->portn = u->default_portn; | |
450 | |
451 u->port.data = ngx_palloc(cf->pool, sizeof("65536") - 1); | |
452 if (u->port.data == NULL) { | |
453 return NGX_ERROR; | |
454 } | |
455 | |
456 u->port.len = ngx_sprintf(u->port.data, "%d", u->portn) - u->port.data; | |
457 | |
458 } else if (u->portn) { | |
459 if (u->portn == u->default_portn) { | |
460 u->default_port = 1; | |
461 } | |
462 | |
463 } else { | |
464 u->err = "no port"; | |
465 return NGX_ERROR; | |
466 } | |
467 | |
468 if (u->host.len == 0) { | |
469 u->err = "no host"; | |
470 return NGX_ERROR; | |
471 } | |
472 | |
473 u->peers = ngx_inet_resolve_peer(cf, &u->host, u->portn); | |
474 | |
475 if (u->peers == NULL) { | |
476 return NGX_ERROR; | |
477 } | |
478 | |
479 if (u->peers == NGX_CONF_ERROR) { | |
480 u->err = "host not found"; | |
481 return NGX_ERROR; | |
482 } | |
483 | |
484 return NGX_OK; | |
485 } | |
486 | |
487 | |
488 ngx_peers_t * | |
489 ngx_inet_resolve_peer(ngx_conf_t *cf, ngx_str_t *name, in_port_t port) | |
490 { | |
491 u_char *host; | |
492 size_t len; | |
493 in_addr_t in_addr; | |
494 ngx_uint_t i; | |
495 ngx_peers_t *peers; | |
496 struct hostent *h; | |
497 struct sockaddr_in *sin; | |
498 | |
499 host = ngx_palloc(cf->temp_pool, name->len + 1); | |
500 if (host == NULL) { | |
501 return NULL; | |
502 } | |
503 | |
504 (void) ngx_cpystrn(host, name->data, name->len + 1); | |
505 | |
506 /* AF_INET only */ | |
507 | |
508 in_addr = inet_addr((char *) host); | |
509 | |
510 if (in_addr == INADDR_NONE) { | |
511 h = gethostbyname((char *) host); | |
512 | |
513 if (h == NULL || h->h_addr_list[0] == NULL) { | |
514 return NGX_CONF_ERROR; | |
515 } | |
516 | |
517 for (i = 0; h->h_addr_list[i] != NULL; i++) { /* void */ } | |
518 | |
519 /* MP: ngx_shared_palloc() */ | |
520 | |
521 peers = ngx_pcalloc(cf->pool, | |
522 sizeof(ngx_peers_t) + sizeof(ngx_peer_t) * (i - 1)); | |
523 if (peers == NULL) { | |
524 return NULL; | |
525 } | |
526 | |
527 peers->number = i; | |
528 | |
529 for (i = 0; h->h_addr_list[i] != NULL; i++) { | |
530 | |
531 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
532 if (sin == NULL) { | |
533 return NULL; | |
534 } | |
535 | |
536 sin->sin_family = AF_INET; | |
537 sin->sin_port = htons(port); | |
538 sin->sin_addr.s_addr = *(in_addr_t *) (h->h_addr_list[i]); | |
539 | |
540 peers->peer[i].sockaddr = (struct sockaddr *) sin; | |
541 peers->peer[i].socklen = sizeof(struct sockaddr_in); | |
542 | |
543 len = INET_ADDRSTRLEN - 1 + 1 + sizeof(":65536") - 1; | |
544 | |
545 peers->peer[i].name.data = ngx_palloc(cf->pool, len); | |
546 if (peers->peer[i].name.data == NULL) { | |
547 return NULL; | |
548 } | |
549 | |
550 len = ngx_sock_ntop(AF_INET, (struct sockaddr *) sin, | |
551 peers->peer[i].name.data, len); | |
552 | |
553 peers->peer[i].name.len = | |
554 ngx_sprintf(&peers->peer[i].name.data[len], | |
555 ":%d", port) | |
556 - peers->peer[i].name.data; | |
557 | |
558 peers->peer[i].uri_separator = ""; | |
663 | 559 |
560 peers->peer[i].weight = NGX_CONF_UNSET_UINT; | |
561 peers->peer[i].max_fails = NGX_CONF_UNSET_UINT; | |
562 peers->peer[i].fail_timeout = NGX_CONF_UNSET; | |
651 | 563 } |
564 | |
565 } else { | |
566 | |
567 /* MP: ngx_shared_palloc() */ | |
568 | |
569 peers = ngx_pcalloc(cf->pool, sizeof(ngx_peers_t)); | |
570 if (peers == NULL) { | |
571 return NULL; | |
572 } | |
573 | |
574 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); | |
575 if (sin == NULL) { | |
576 return NULL; | |
577 } | |
578 | |
579 peers->number = 1; | |
580 | |
581 sin->sin_family = AF_INET; | |
582 sin->sin_port = htons(port); | |
583 sin->sin_addr.s_addr = in_addr; | |
584 | |
585 peers->peer[0].sockaddr = (struct sockaddr *) sin; | |
586 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
587 | |
588 peers->peer[0].name.data = ngx_palloc(cf->pool, | |
589 name->len + sizeof(":65536") - 1); | |
590 if (peers->peer[0].name.data == NULL) { | |
591 return NULL; | |
592 } | |
593 | |
594 peers->peer[0].name.len = ngx_sprintf(peers->peer[0].name.data, "%V:%d", | |
595 name, port) | |
596 - peers->peer[0].name.data; | |
597 | |
598 peers->peer[0].uri_separator = ""; | |
599 } | |
600 | |
601 return peers; | |
602 } |