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0
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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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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10
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11
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154
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12 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
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28
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13 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
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0
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14 static void ngx_clean_old_cycles(ngx_event_t *ev);
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15
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16
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17 volatile ngx_cycle_t *ngx_cycle;
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18 ngx_array_t ngx_old_cycles;
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19
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20 static ngx_pool_t *ngx_temp_pool;
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21 static ngx_event_t ngx_cleaner_event;
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22
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23 ngx_uint_t ngx_test_config;
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24
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25 #if (NGX_THREADS)
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26 ngx_tls_key_t ngx_core_tls_key;
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27 #endif
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28
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29
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30 /* STUB NAME */
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31 static ngx_connection_t dumb;
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32 /* STUB */
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33
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34 #ifdef NGX_ERROR_LOG_PATH
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35 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
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36 #else
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37 static ngx_str_t error_log = ngx_null_string;
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38 #endif
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39
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40
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112
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41 ngx_cycle_t *
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42 ngx_init_cycle(ngx_cycle_t *old_cycle)
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0
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43 {
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154
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44 void *rv;
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45 ngx_uint_t i, n, failed;
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46 ngx_log_t *log;
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47 ngx_conf_t conf;
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48 ngx_pool_t *pool;
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49 ngx_cycle_t *cycle, **old;
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50 ngx_list_part_t *part;
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51 ngx_open_file_t *file;
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52 ngx_listening_t *ls, *nls;
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53 ngx_core_conf_t *ccf;
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54 ngx_core_module_t *module;
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55
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0
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56
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57 log = old_cycle->log;
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58
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56
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59 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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50
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60 if (pool == NULL) {
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0
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61 return NULL;
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62 }
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63 pool->log = log;
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64
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50
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65 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
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66 if (cycle == NULL) {
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0
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67 ngx_destroy_pool(pool);
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68 return NULL;
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69 }
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50
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70
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0
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71 cycle->pool = pool;
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72 cycle->log = log;
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73 cycle->old_cycle = old_cycle;
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74 cycle->root.len = sizeof(NGX_PREFIX) - 1;
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75 cycle->root.data = (u_char *) NGX_PREFIX;
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76
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77
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154
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78 cycle->conf_file.len = old_cycle->conf_file.len;
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79 cycle->conf_file.data = ngx_palloc(pool, old_cycle->conf_file.len + 1);
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80 if (cycle->conf_file.data == NULL) {
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81 ngx_destroy_pool(pool);
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82 return NULL;
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83 }
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84 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
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85 old_cycle->conf_file.len + 1);
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86
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87
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0
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88 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
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50
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89
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90 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
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91 if (cycle->pathes.elts == NULL) {
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0
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92 ngx_destroy_pool(pool);
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93 return NULL;
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94 }
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50
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95
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0
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96 cycle->pathes.nelts = 0;
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97 cycle->pathes.size = sizeof(ngx_path_t *);
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98 cycle->pathes.nalloc = n;
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99 cycle->pathes.pool = pool;
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100
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101
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102 if (old_cycle->open_files.part.nelts) {
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103 n = old_cycle->open_files.part.nelts;
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104 for (part = old_cycle->open_files.part.next; part; part = part->next) {
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105 n += part->nelts;
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106 }
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107
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108 } else {
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109 n = 20;
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110 }
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111
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112 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
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154
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113 == NGX_ERROR)
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0
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114 {
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115 ngx_destroy_pool(pool);
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116 return NULL;
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117 }
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118
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119
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50
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120 cycle->new_log = ngx_log_create_errlog(cycle, NULL);
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121 if (cycle->new_log == NULL) {
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0
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122 ngx_destroy_pool(pool);
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123 return NULL;
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124 }
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125
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126 cycle->new_log->file->name = error_log;
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127
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128
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129 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
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50
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130
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0
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131 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
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132 if (cycle->listening.elts == NULL) {
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133 ngx_destroy_pool(pool);
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134 return NULL;
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135 }
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50
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136
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0
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137 cycle->listening.nelts = 0;
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138 cycle->listening.size = sizeof(ngx_listening_t);
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139 cycle->listening.nalloc = n;
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140 cycle->listening.pool = pool;
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141
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142
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143 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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144 if (cycle->conf_ctx == NULL) {
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145 ngx_destroy_pool(pool);
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146 return NULL;
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147 }
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148
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149
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150 for (i = 0; ngx_modules[i]; i++) {
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151 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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152 continue;
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153 }
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154
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155 module = ngx_modules[i]->ctx;
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156
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157 if (module->create_conf) {
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158 rv = module->create_conf(cycle);
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159 if (rv == NGX_CONF_ERROR) {
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160 ngx_destroy_pool(pool);
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161 return NULL;
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162 }
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163 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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164 }
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165 }
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166
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167
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168 ngx_memzero(&conf, sizeof(ngx_conf_t));
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169 /* STUB: init array ? */
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50
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170 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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171 if (conf.args == NULL) {
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172 ngx_destroy_pool(pool);
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173 return NULL;
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174 }
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175
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142
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176 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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177 if (conf.temp_pool == NULL) {
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178 ngx_destroy_pool(pool);
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179 return NULL;
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180 }
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181
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154
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182
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183 #if 0
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184 cycle->shm.size = /* STUB */ ngx_pagesize;
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185 cycle->shm.log = log;
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186
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187 if (ngx_shm_alloc(&cycle->shm) != NGX_OK) {
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188 ngx_destroy_pool(conf.temp_pool);
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189 ngx_destroy_pool(pool);
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190 return NULL;
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191 }
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192
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193 cycle->shm_last = cycle->shm.addr;
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194 cycle->shm_end = cycle->shm.addr + cycle->shm.size;
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195 #endif
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196
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197
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0
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198 conf.ctx = cycle->conf_ctx;
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199 conf.cycle = cycle;
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200 conf.pool = pool;
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201 conf.log = log;
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202 conf.module_type = NGX_CORE_MODULE;
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203 conf.cmd_type = NGX_MAIN_CONF;
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204
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4
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205 #if 0
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206 log->log_level = NGX_LOG_DEBUG_ALL;
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207 #endif
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0
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208
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209 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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154
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210 ngx_destroy_cycle_pools(&conf);
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0
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211 return NULL;
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212 }
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213
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214 if (ngx_test_config) {
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215 ngx_log_error(NGX_LOG_INFO, log, 0,
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216 "the configuration file %s syntax is ok",
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217 cycle->conf_file.data);
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218 }
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219
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220
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221 for (i = 0; ngx_modules[i]; i++) {
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222 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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223 continue;
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224 }
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225
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226 module = ngx_modules[i]->ctx;
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227
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228 if (module->init_conf) {
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229 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
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142
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230 == NGX_CONF_ERROR)
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0
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231 {
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154
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232 ngx_destroy_cycle_pools(&conf);
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0
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233 return NULL;
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234 }
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235 }
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236 }
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237
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238
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239 failed = 0;
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240
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241
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10
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242 #if !(NGX_WIN32)
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0
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243 if (ngx_create_pidfile(cycle, old_cycle) == NGX_ERROR) {
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244 failed = 1;
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245 }
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246 #endif
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247
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248
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249 if (!failed) {
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16
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250 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx,
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251 ngx_core_module);
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252
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253 if (ngx_create_pathes(cycle, ccf->user) == NGX_ERROR) {
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254 failed = 1;
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255 }
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256 }
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257
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258
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259 if (!failed) {
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0
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260
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10
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261 /* open the new files */
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262
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0
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263 part = &cycle->open_files.part;
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264 file = part->elts;
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265
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266 for (i = 0; /* void */ ; i++) {
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267
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268 if (i >= part->nelts) {
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269 if (part->next == NULL) {
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270 break;
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271 }
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272 part = part->next;
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273 file = part->elts;
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274 i = 0;
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275 }
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276
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277 if (file[i].name.data == NULL) {
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278 continue;
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279 }
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280
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281 file[i].fd = ngx_open_file(file[i].name.data,
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282 NGX_FILE_RDWR,
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283 NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND);
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284
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285 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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10
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286 "log: %p %d \"%s\"",
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0
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287 &file[i], file[i].fd, file[i].name.data);
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288
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289 if (file[i].fd == NGX_INVALID_FILE) {
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290 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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291 ngx_open_file_n " \"%s\" failed",
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292 file[i].name.data);
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293 failed = 1;
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294 break;
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295 }
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296
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10
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297 #if (NGX_WIN32)
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0
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298 if (ngx_file_append_mode(file[i].fd) == NGX_ERROR) {
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299 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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300 ngx_file_append_mode_n " \"%s\" failed",
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301 file[i].name.data);
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302 failed = 1;
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303 break;
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304 }
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305 #else
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306 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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307 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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308 "fcntl(FD_CLOEXEC) \"%s\" failed",
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309 file[i].name.data);
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310 failed = 1;
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311 break;
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312 }
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313 #endif
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314 }
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315 }
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316
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317 cycle->log = cycle->new_log;
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318 pool->log = cycle->new_log;
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319
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320 if (cycle->log->log_level == 0) {
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321 cycle->log->log_level = NGX_LOG_ERR;
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322 }
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323
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324 if (!failed) {
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10
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325
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326 /* handle the listening sockets */
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327
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0
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328 if (old_cycle->listening.nelts) {
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329 ls = old_cycle->listening.elts;
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330 for (i = 0; i < old_cycle->listening.nelts; i++) {
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331 ls[i].remain = 0;
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332 }
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333
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334 nls = cycle->listening.elts;
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335 for (n = 0; n < cycle->listening.nelts; n++) {
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10
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336
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0
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337 for (i = 0; i < old_cycle->listening.nelts; i++) {
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338 if (ls[i].ignore) {
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339 continue;
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340 }
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341
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10
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342 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr)
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72
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343 == NGX_OK)
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0
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344 {
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345 nls[n].fd = ls[i].fd;
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92
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346 nls[n].previous = &ls[i];
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0
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347 ls[i].remain = 1;
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72
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348
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86
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349 if (ls[n].backlog != nls[i].backlog) {
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112
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350 nls[n].listen = 1;
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86
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351 }
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352
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72
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353 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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354
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355 /*
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356 * FreeBSD, except the most recent versions,
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112
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357 * could not remove accept filter
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72
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358 */
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359 nls[n].deferred_accept = ls[i].deferred_accept;
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360
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361 if (ls[i].accept_filter && nls[n].accept_filter) {
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362 if (ngx_strcmp(ls[i].accept_filter,
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363 nls[n].accept_filter) != 0)
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364 {
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365 nls[n].delete_deferred = 1;
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366 nls[n].add_deferred = 1;
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367 }
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368
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369 } else if (ls[i].accept_filter) {
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370 nls[n].delete_deferred = 1;
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371
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372 } else if (nls[n].accept_filter) {
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373 nls[n].add_deferred = 1;
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374 }
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375 #endif
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376
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377 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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378
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379 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
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380 nls[n].delete_deferred = 1;
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381
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382 } else if (ls[i].deferred_accept
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383 != nls[n].deferred_accept)
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384 {
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385 nls[n].add_deferred = 1;
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386 }
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387 #endif
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0
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388 break;
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389 }
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390 }
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391
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392 if (nls[n].fd == -1) {
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4
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393 nls[n].open = 1;
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0
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394 }
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395 }
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396
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397 } else {
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398 ls = cycle->listening.elts;
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399 for (i = 0; i < cycle->listening.nelts; i++) {
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4
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400 ls[i].open = 1;
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72
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401 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
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402 if (ls[i].accept_filter) {
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403 ls[i].add_deferred = 1;
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404 }
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405 #endif
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406 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
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407 if (ls[i].deferred_accept) {
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408 ls[i].add_deferred = 1;
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409 }
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|
410 #endif
|
|
0
|
411 }
|
|
|
412 }
|
|
|
413
|
|
112
|
414 if (!failed) {
|
|
0
|
415 if (ngx_open_listening_sockets(cycle) == NGX_ERROR) {
|
|
|
416 failed = 1;
|
|
|
417 }
|
|
72
|
418
|
|
112
|
419 if (!ngx_test_config && !failed) {
|
|
|
420 ngx_configure_listening_socket(cycle);
|
|
72
|
421 }
|
|
0
|
422 }
|
|
|
423 }
|
|
|
424
|
|
154
|
425
|
|
0
|
426 if (failed) {
|
|
|
427
|
|
|
428 /* rollback the new cycle configuration */
|
|
|
429
|
|
|
430 part = &cycle->open_files.part;
|
|
|
431 file = part->elts;
|
|
|
432
|
|
|
433 for (i = 0; /* void */ ; i++) {
|
|
|
434
|
|
|
435 if (i >= part->nelts) {
|
|
|
436 if (part->next == NULL) {
|
|
|
437 break;
|
|
|
438 }
|
|
|
439 part = part->next;
|
|
|
440 file = part->elts;
|
|
|
441 i = 0;
|
|
|
442 }
|
|
|
443
|
|
|
444 if (file[i].fd == NGX_INVALID_FILE
|
|
|
445 || file[i].fd == ngx_stderr_fileno)
|
|
|
446 {
|
|
|
447 continue;
|
|
|
448 }
|
|
|
449
|
|
|
450 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
451 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
452 ngx_close_file_n " \"%s\" failed",
|
|
|
453 file[i].name.data);
|
|
|
454 }
|
|
|
455 }
|
|
|
456
|
|
|
457 if (ngx_test_config) {
|
|
154
|
458 ngx_destroy_cycle_pools(&conf);
|
|
0
|
459 return NULL;
|
|
|
460 }
|
|
|
461
|
|
|
462 ls = cycle->listening.elts;
|
|
|
463 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
4
|
464 if (ls[i].fd == -1 || !ls[i].open) {
|
|
0
|
465 continue;
|
|
|
466 }
|
|
|
467
|
|
|
468 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
469 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
10
|
470 ngx_close_socket_n " %V failed",
|
|
|
471 &ls[i].addr_text);
|
|
0
|
472 }
|
|
|
473 }
|
|
|
474
|
|
154
|
475 ngx_destroy_cycle_pools(&conf);
|
|
0
|
476 return NULL;
|
|
|
477 }
|
|
|
478
|
|
|
479
|
|
|
480 /* commit the new cycle configuration */
|
|
|
481
|
|
10
|
482 #if !(NGX_WIN32)
|
|
0
|
483
|
|
|
484 if (!ngx_test_config && cycle->log->file->fd != STDERR_FILENO) {
|
|
|
485
|
|
|
486 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
10
|
487 "dup2: %p %d \"%s\"",
|
|
0
|
488 cycle->log->file,
|
|
|
489 cycle->log->file->fd, cycle->log->file->name.data);
|
|
|
490
|
|
|
491 if (dup2(cycle->log->file->fd, STDERR_FILENO) == NGX_ERROR) {
|
|
|
492 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
493 "dup2(STDERR) failed");
|
|
|
494 /* fatal */
|
|
|
495 exit(1);
|
|
|
496 }
|
|
|
497 }
|
|
|
498
|
|
|
499 #endif
|
|
|
500
|
|
|
501 pool->log = cycle->log;
|
|
|
502
|
|
|
503 for (i = 0; ngx_modules[i]; i++) {
|
|
|
504 if (ngx_modules[i]->init_module) {
|
|
|
505 if (ngx_modules[i]->init_module(cycle) == NGX_ERROR) {
|
|
|
506 /* fatal */
|
|
|
507 exit(1);
|
|
|
508 }
|
|
|
509 }
|
|
|
510 }
|
|
|
511
|
|
16
|
512
|
|
0
|
513 /* close and delete stuff that lefts from an old cycle */
|
|
|
514
|
|
|
515 /* close the unneeded listening sockets */
|
|
|
516
|
|
|
517 ls = old_cycle->listening.elts;
|
|
|
518 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
519 if (ls[i].remain) {
|
|
|
520 continue;
|
|
|
521 }
|
|
|
522
|
|
|
523 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
524 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
525 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
526 &ls[i].addr_text);
|
|
0
|
527 }
|
|
|
528 }
|
|
|
529
|
|
|
530
|
|
|
531 /* close the unneeded open files */
|
|
|
532
|
|
|
533 part = &old_cycle->open_files.part;
|
|
|
534 file = part->elts;
|
|
|
535
|
|
|
536 for (i = 0; /* void */ ; i++) {
|
|
|
537
|
|
|
538 if (i >= part->nelts) {
|
|
|
539 if (part->next == NULL) {
|
|
|
540 break;
|
|
|
541 }
|
|
|
542 part = part->next;
|
|
|
543 file = part->elts;
|
|
|
544 i = 0;
|
|
|
545 }
|
|
|
546
|
|
|
547 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
548 continue;
|
|
|
549 }
|
|
|
550
|
|
|
551 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
552 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
553 ngx_close_file_n " \"%s\" failed",
|
|
|
554 file[i].name.data);
|
|
|
555 }
|
|
|
556 }
|
|
|
557
|
|
142
|
558 ngx_destroy_pool(conf.temp_pool);
|
|
|
559
|
|
154
|
560 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
561
|
|
|
562 if (old_cycle->shm.addr) {
|
|
|
563 ngx_shm_free(&old_cycle->shm);
|
|
|
564 }
|
|
|
565
|
|
0
|
566 ngx_destroy_pool(old_cycle->pool);
|
|
|
567 return cycle;
|
|
|
568 }
|
|
|
569
|
|
|
570
|
|
|
571 if (ngx_temp_pool == NULL) {
|
|
|
572 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
573 if (ngx_temp_pool == NULL) {
|
|
|
574 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
575 "can not create ngx_temp_pool");
|
|
|
576 exit(1);
|
|
|
577 }
|
|
|
578
|
|
|
579 n = 10;
|
|
|
580 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
581 n * sizeof(ngx_cycle_t *));
|
|
|
582 if (ngx_old_cycles.elts == NULL) {
|
|
|
583 exit(1);
|
|
|
584 }
|
|
|
585 ngx_old_cycles.nelts = 0;
|
|
|
586 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
587 ngx_old_cycles.nalloc = n;
|
|
|
588 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
589
|
|
58
|
590 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
591 ngx_cleaner_event.log = cycle->log;
|
|
|
592 ngx_cleaner_event.data = &dumb;
|
|
|
593 dumb.fd = (ngx_socket_t) -1;
|
|
|
594 }
|
|
|
595
|
|
|
596 ngx_temp_pool->log = cycle->log;
|
|
|
597
|
|
50
|
598 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
599 if (old == NULL) {
|
|
|
600 exit(1);
|
|
|
601 }
|
|
|
602 *old = old_cycle;
|
|
|
603
|
|
|
604 if (!ngx_cleaner_event.timer_set) {
|
|
|
605 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
606 ngx_cleaner_event.timer_set = 1;
|
|
|
607 }
|
|
|
608
|
|
|
609 return cycle;
|
|
|
610 }
|
|
|
611
|
|
|
612
|
|
154
|
613 static void
|
|
|
614 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
615 {
|
|
156
|
616 if (conf->cycle->shm.addr) {
|
|
|
617 ngx_shm_free(&conf->cycle->shm);
|
|
|
618 }
|
|
|
619
|
|
154
|
620 ngx_destroy_pool(conf->temp_pool);
|
|
|
621 ngx_destroy_pool(conf->pool);
|
|
|
622 }
|
|
|
623
|
|
|
624
|
|
112
|
625 static ngx_int_t
|
|
|
626 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
627 {
|
|
|
628 struct sockaddr_in *sin1, *sin2;
|
|
|
629
|
|
|
630 /* AF_INET only */
|
|
|
631
|
|
28
|
632 if (sa1->sa_family != AF_INET || sa2->sa_family != AF_INET) {
|
|
10
|
633 return NGX_DECLINED;
|
|
|
634 }
|
|
|
635
|
|
28
|
636 sin1 = (struct sockaddr_in *) sa1;
|
|
|
637 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
638
|
|
|
639 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
640 return NGX_DECLINED;
|
|
|
641 }
|
|
|
642
|
|
|
643 if (sin1->sin_port != sin2->sin_port) {
|
|
|
644 return NGX_DECLINED;
|
|
|
645 }
|
|
|
646
|
|
|
647 return NGX_OK;
|
|
|
648 }
|
|
|
649
|
|
|
650
|
|
|
651 #if !(NGX_WIN32)
|
|
0
|
652
|
|
112
|
653 ngx_int_t
|
|
|
654 ngx_create_pidfile(ngx_cycle_t *cycle, ngx_cycle_t *old_cycle)
|
|
0
|
655 {
|
|
|
656 ngx_uint_t trunc;
|
|
|
657 size_t len;
|
|
50
|
658 u_char pid[NGX_INT64_LEN];
|
|
0
|
659 ngx_file_t file;
|
|
|
660 ngx_core_conf_t *ccf, *old_ccf;
|
|
|
661
|
|
154
|
662 if (!ngx_test_config && ngx_is_init_cycle(old_cycle)) {
|
|
0
|
663
|
|
|
664 /*
|
|
|
665 * do not create the pid file in the first ngx_init_cycle() call
|
|
126
|
666 * because we need to write the demonized process pid
|
|
0
|
667 */
|
|
|
668
|
|
|
669 return NGX_OK;
|
|
|
670 }
|
|
|
671
|
|
|
672 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
673
|
|
|
674 if (!ngx_test_config && old_cycle) {
|
|
|
675 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
676 ngx_core_module);
|
|
|
677
|
|
|
678 if (ccf->pid.len == old_ccf->pid.len
|
|
|
679 && ngx_strcmp(ccf->pid.data, old_ccf->pid.data) == 0)
|
|
|
680 {
|
|
|
681
|
|
|
682 /* pid file name is the same */
|
|
|
683
|
|
|
684 return NGX_OK;
|
|
|
685 }
|
|
|
686 }
|
|
|
687
|
|
|
688 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
689
|
|
|
690 file.name = ccf->pid;
|
|
0
|
691 file.log = cycle->log;
|
|
|
692
|
|
|
693 trunc = ngx_test_config ? 0: NGX_FILE_TRUNCATE;
|
|
|
694
|
|
|
695 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
|
696 NGX_FILE_CREATE_OR_OPEN|trunc);
|
|
|
697
|
|
|
698 if (file.fd == NGX_INVALID_FILE) {
|
|
|
699 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
700 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
701 return NGX_ERROR;
|
|
|
702 }
|
|
|
703
|
|
|
704 if (!ngx_test_config) {
|
|
74
|
705 len = ngx_sprintf(pid, "%P%N", ngx_pid) - pid;
|
|
10
|
706
|
|
0
|
707 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
708 return NGX_ERROR;
|
|
|
709 }
|
|
|
710 }
|
|
|
711
|
|
|
712 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
|
713 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
714 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
715 }
|
|
|
716
|
|
|
717 ngx_delete_pidfile(old_cycle);
|
|
|
718
|
|
|
719 return NGX_OK;
|
|
|
720 }
|
|
|
721
|
|
|
722
|
|
112
|
723 void
|
|
|
724 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
725 {
|
|
0
|
726 u_char *name;
|
|
|
727 ngx_core_conf_t *ccf;
|
|
|
728
|
|
|
729 if (cycle == NULL || cycle->conf_ctx == NULL) {
|
|
|
730 return;
|
|
|
731 }
|
|
|
732
|
|
|
733 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
734
|
|
92
|
735 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
736
|
|
|
737 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
738 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
739 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
740 }
|
|
|
741 }
|
|
|
742
|
|
|
743 #endif
|
|
|
744
|
|
|
745
|
|
112
|
746 void
|
|
|
747 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
748 {
|
|
|
749 ngx_fd_t fd;
|
|
|
750 ngx_uint_t i;
|
|
|
751 ngx_list_part_t *part;
|
|
|
752 ngx_open_file_t *file;
|
|
10
|
753 #if !(NGX_WIN32)
|
|
2
|
754 ngx_file_info_t fi;
|
|
|
755 #endif
|
|
0
|
756
|
|
|
757 part = &cycle->open_files.part;
|
|
|
758 file = part->elts;
|
|
|
759
|
|
|
760 for (i = 0; /* void */ ; i++) {
|
|
|
761
|
|
|
762 if (i >= part->nelts) {
|
|
|
763 if (part->next == NULL) {
|
|
|
764 break;
|
|
|
765 }
|
|
|
766 part = part->next;
|
|
72
|
767 file = part->elts;
|
|
0
|
768 i = 0;
|
|
|
769 }
|
|
|
770
|
|
|
771 if (file[i].name.data == NULL) {
|
|
|
772 continue;
|
|
|
773 }
|
|
|
774
|
|
120
|
775 if (file[i].buffer && file[i].pos - file[i].buffer != 0) {
|
|
|
776 ngx_write_fd(file[i].fd, file[i].buffer,
|
|
|
777 file[i].pos - file[i].buffer);
|
|
|
778 file[i].pos = file[i].buffer;
|
|
|
779 }
|
|
|
780
|
|
0
|
781 fd = ngx_open_file(file[i].name.data, NGX_FILE_RDWR,
|
|
|
782 NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND);
|
|
|
783
|
|
|
784 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
785 "reopen file \"%s\", old:%d new:%d",
|
|
|
786 file[i].name.data, file[i].fd, fd);
|
|
|
787
|
|
|
788 if (fd == NGX_INVALID_FILE) {
|
|
|
789 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
790 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
791 continue;
|
|
|
792 }
|
|
|
793
|
|
10
|
794 #if (NGX_WIN32)
|
|
0
|
795 if (ngx_file_append_mode(fd) == NGX_ERROR) {
|
|
|
796 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
797 ngx_file_append_mode_n " \"%s\" failed",
|
|
|
798 file[i].name.data);
|
|
|
799
|
|
|
800 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
801 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
802 ngx_close_file_n " \"%s\" failed",
|
|
|
803 file[i].name.data);
|
|
|
804 }
|
|
|
805
|
|
|
806 continue;
|
|
|
807 }
|
|
|
808 #else
|
|
66
|
809 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
2
|
810
|
|
|
811 if (ngx_file_info((const char *) file[i].name.data, &fi) == -1) {
|
|
|
812 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
813 ngx_file_info_n " \"%s\" failed",
|
|
|
814 file[i].name.data);
|
|
|
815
|
|
|
816 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
817 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
818 ngx_close_file_n " \"%s\" failed",
|
|
|
819 file[i].name.data);
|
|
|
820 }
|
|
|
821 }
|
|
|
822
|
|
16
|
823 if (fi.st_uid != user) {
|
|
|
824 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
825 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
826 "chown(\"%s\", %d) failed",
|
|
|
827 file[i].name.data, user);
|
|
|
828
|
|
|
829 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
830 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
831 ngx_close_file_n " \"%s\" failed",
|
|
|
832 file[i].name.data);
|
|
|
833 }
|
|
|
834 }
|
|
|
835 }
|
|
|
836
|
|
2
|
837 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
838
|
|
|
839 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
840
|
|
|
841 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
842 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
843 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
844
|
|
|
845 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
846 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
847 ngx_close_file_n " \"%s\" failed",
|
|
|
848 file[i].name.data);
|
|
|
849 }
|
|
|
850 }
|
|
|
851 }
|
|
0
|
852 }
|
|
|
853
|
|
|
854 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
855 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
856 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
857 file[i].name.data);
|
|
|
858
|
|
|
859 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
860 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
861 ngx_close_file_n " \"%s\" failed",
|
|
|
862 file[i].name.data);
|
|
|
863 }
|
|
|
864
|
|
|
865 continue;
|
|
|
866 }
|
|
|
867 #endif
|
|
|
868
|
|
|
869 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
870 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
871 ngx_close_file_n " \"%s\" failed",
|
|
|
872 file[i].name.data);
|
|
|
873 }
|
|
|
874
|
|
|
875 file[i].fd = fd;
|
|
|
876 }
|
|
|
877
|
|
10
|
878 #if !(NGX_WIN32)
|
|
0
|
879
|
|
|
880 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
881 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
882 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
883 "dup2(STDERR) failed");
|
|
|
884 }
|
|
|
885 }
|
|
|
886
|
|
|
887 #endif
|
|
|
888 }
|
|
|
889
|
|
|
890
|
|
112
|
891 static void
|
|
|
892 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
893 {
|
|
|
894 ngx_uint_t i, n, found, live;
|
|
|
895 ngx_log_t *log;
|
|
|
896 ngx_cycle_t **cycle;
|
|
|
897
|
|
|
898 log = ngx_cycle->log;
|
|
|
899 ngx_temp_pool->log = log;
|
|
|
900
|
|
|
901 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
902
|
|
|
903 live = 0;
|
|
|
904
|
|
|
905 cycle = ngx_old_cycles.elts;
|
|
|
906 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
907
|
|
|
908 if (cycle[i] == NULL) {
|
|
|
909 continue;
|
|
|
910 }
|
|
|
911
|
|
|
912 found = 0;
|
|
|
913
|
|
|
914 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
915 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
916 found = 1;
|
|
|
917
|
|
|
918 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
919
|
|
|
920 break;
|
|
|
921 }
|
|
|
922 }
|
|
|
923
|
|
|
924 if (found) {
|
|
|
925 live = 1;
|
|
|
926 continue;
|
|
|
927 }
|
|
|
928
|
|
|
929 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
930
|
|
|
931 ngx_destroy_pool(cycle[i]->pool);
|
|
|
932 cycle[i] = NULL;
|
|
|
933 }
|
|
|
934
|
|
|
935 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
936
|
|
|
937 if (live) {
|
|
|
938 ngx_add_timer(ev, 30000);
|
|
|
939
|
|
|
940 } else {
|
|
|
941 ngx_destroy_pool(ngx_temp_pool);
|
|
|
942 ngx_temp_pool = NULL;
|
|
|
943 ngx_old_cycles.nelts = 0;
|
|
|
944 }
|
|
|
945 }
|
