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