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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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160
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12 static ngx_int_t ngx_test_lockfile(u_char *file, ngx_log_t *log);
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154
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13 static void ngx_destroy_cycle_pools(ngx_conf_t *conf);
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28
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14 static ngx_int_t ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2);
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0
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15 static void ngx_clean_old_cycles(ngx_event_t *ev);
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16
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17
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18 volatile ngx_cycle_t *ngx_cycle;
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19 ngx_array_t ngx_old_cycles;
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20
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21 static ngx_pool_t *ngx_temp_pool;
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22 static ngx_event_t ngx_cleaner_event;
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23
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24 ngx_uint_t ngx_test_config;
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25
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26 #if (NGX_THREADS)
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27 ngx_tls_key_t ngx_core_tls_key;
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28 #endif
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29
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30
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31 /* STUB NAME */
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32 static ngx_connection_t dumb;
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33 /* STUB */
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34
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35 #ifdef NGX_ERROR_LOG_PATH
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36 static ngx_str_t error_log = ngx_string(NGX_ERROR_LOG_PATH);
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37 #else
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38 static ngx_str_t error_log = ngx_null_string;
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39 #endif
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40
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41
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112
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42 ngx_cycle_t *
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43 ngx_init_cycle(ngx_cycle_t *old_cycle)
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0
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44 {
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356
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45 void *rv;
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46 char **senv, **env;
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47 u_char *lock_file;
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48 ngx_uint_t i, n;
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49 ngx_log_t *log;
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50 ngx_conf_t conf;
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51 ngx_pool_t *pool;
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52 ngx_cycle_t *cycle, **old;
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53 ngx_shm_zone_t *shm_zone, *oshm_zone;
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54 ngx_slab_pool_t *shpool;
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55 ngx_list_part_t *part, *opart;
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56 ngx_open_file_t *file;
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57 ngx_listening_t *ls, *nls;
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58 ngx_core_conf_t *ccf, *old_ccf;
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59 ngx_core_module_t *module;
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0
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60
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61 log = old_cycle->log;
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62
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56
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63 pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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50
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64 if (pool == NULL) {
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0
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65 return NULL;
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66 }
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67 pool->log = log;
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68
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50
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69 cycle = ngx_pcalloc(pool, sizeof(ngx_cycle_t));
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70 if (cycle == NULL) {
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0
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71 ngx_destroy_pool(pool);
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72 return NULL;
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73 }
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50
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74
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0
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75 cycle->pool = pool;
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76 cycle->log = log;
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77 cycle->old_cycle = old_cycle;
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78 cycle->root.len = sizeof(NGX_PREFIX) - 1;
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79 cycle->root.data = (u_char *) NGX_PREFIX;
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80
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81
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154
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82 cycle->conf_file.len = old_cycle->conf_file.len;
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83 cycle->conf_file.data = ngx_palloc(pool, old_cycle->conf_file.len + 1);
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84 if (cycle->conf_file.data == NULL) {
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85 ngx_destroy_pool(pool);
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86 return NULL;
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87 }
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88 ngx_cpystrn(cycle->conf_file.data, old_cycle->conf_file.data,
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89 old_cycle->conf_file.len + 1);
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90
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91
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0
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92 n = old_cycle->pathes.nelts ? old_cycle->pathes.nelts : 10;
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50
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93
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94 cycle->pathes.elts = ngx_pcalloc(pool, n * sizeof(ngx_path_t *));
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95 if (cycle->pathes.elts == NULL) {
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0
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96 ngx_destroy_pool(pool);
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97 return NULL;
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98 }
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50
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99
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0
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100 cycle->pathes.nelts = 0;
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101 cycle->pathes.size = sizeof(ngx_path_t *);
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102 cycle->pathes.nalloc = n;
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103 cycle->pathes.pool = pool;
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104
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105
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106 if (old_cycle->open_files.part.nelts) {
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107 n = old_cycle->open_files.part.nelts;
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108 for (part = old_cycle->open_files.part.next; part; part = part->next) {
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109 n += part->nelts;
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110 }
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111
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112 } else {
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113 n = 20;
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114 }
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115
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116 if (ngx_list_init(&cycle->open_files, pool, n, sizeof(ngx_open_file_t))
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154
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117 == NGX_ERROR)
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0
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118 {
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119 ngx_destroy_pool(pool);
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120 return NULL;
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121 }
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122
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123
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258
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124 if (old_cycle->shared_memory.part.nelts) {
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125 n = old_cycle->shared_memory.part.nelts;
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126 for (part = old_cycle->shared_memory.part.next; part; part = part->next)
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127 {
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128 n += part->nelts;
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129 }
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130
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131 } else {
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132 n = 1;
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133 }
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134
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135 if (ngx_list_init(&cycle->shared_memory, pool, n, sizeof(ngx_shm_zone_t))
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136 == NGX_ERROR)
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137 {
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138 ngx_destroy_pool(pool);
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139 return NULL;
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140 }
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141
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142
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50
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143 cycle->new_log = ngx_log_create_errlog(cycle, NULL);
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144 if (cycle->new_log == NULL) {
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0
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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 cycle->new_log->file->name = error_log;
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150
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151
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152 n = old_cycle->listening.nelts ? old_cycle->listening.nelts : 10;
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50
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153
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0
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154 cycle->listening.elts = ngx_pcalloc(pool, n * sizeof(ngx_listening_t));
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155 if (cycle->listening.elts == NULL) {
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156 ngx_destroy_pool(pool);
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157 return NULL;
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158 }
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50
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159
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0
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160 cycle->listening.nelts = 0;
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161 cycle->listening.size = sizeof(ngx_listening_t);
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162 cycle->listening.nalloc = n;
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163 cycle->listening.pool = pool;
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164
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165
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166 cycle->conf_ctx = ngx_pcalloc(pool, ngx_max_module * sizeof(void *));
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167 if (cycle->conf_ctx == NULL) {
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168 ngx_destroy_pool(pool);
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169 return NULL;
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170 }
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171
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172
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173 for (i = 0; ngx_modules[i]; i++) {
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174 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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175 continue;
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176 }
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177
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178 module = ngx_modules[i]->ctx;
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179
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180 if (module->create_conf) {
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181 rv = module->create_conf(cycle);
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182 if (rv == NGX_CONF_ERROR) {
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183 ngx_destroy_pool(pool);
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184 return NULL;
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185 }
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186 cycle->conf_ctx[ngx_modules[i]->index] = rv;
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187 }
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188 }
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189
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190
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356
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191 senv = environ;
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192
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193
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0
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194 ngx_memzero(&conf, sizeof(ngx_conf_t));
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195 /* STUB: init array ? */
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50
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196 conf.args = ngx_array_create(pool, 10, sizeof(ngx_str_t));
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0
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197 if (conf.args == NULL) {
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198 ngx_destroy_pool(pool);
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199 return NULL;
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200 }
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201
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142
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202 conf.temp_pool = ngx_create_pool(NGX_CYCLE_POOL_SIZE, log);
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203 if (conf.temp_pool == NULL) {
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204 ngx_destroy_pool(pool);
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205 return NULL;
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206 }
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207
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154
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208
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0
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209 conf.ctx = cycle->conf_ctx;
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210 conf.cycle = cycle;
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211 conf.pool = pool;
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212 conf.log = log;
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213 conf.module_type = NGX_CORE_MODULE;
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214 conf.cmd_type = NGX_MAIN_CONF;
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215
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4
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216 #if 0
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217 log->log_level = NGX_LOG_DEBUG_ALL;
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218 #endif
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0
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219
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220 if (ngx_conf_parse(&conf, &cycle->conf_file) != NGX_CONF_OK) {
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154
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221 ngx_destroy_cycle_pools(&conf);
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0
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222 return NULL;
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223 }
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224
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225 if (ngx_test_config) {
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226 ngx_log_error(NGX_LOG_INFO, log, 0,
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227 "the configuration file %s syntax is ok",
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228 cycle->conf_file.data);
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229 }
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230
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231
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232 for (i = 0; ngx_modules[i]; i++) {
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233 if (ngx_modules[i]->type != NGX_CORE_MODULE) {
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234 continue;
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235 }
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236
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237 module = ngx_modules[i]->ctx;
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238
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239 if (module->init_conf) {
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240 if (module->init_conf(cycle, cycle->conf_ctx[ngx_modules[i]->index])
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142
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241 == NGX_CONF_ERROR)
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0
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242 {
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154
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243 ngx_destroy_cycle_pools(&conf);
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0
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244 return NULL;
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245 }
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246 }
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247 }
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248
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249
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160
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250 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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0
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251
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10
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252 #if !(NGX_WIN32)
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160
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253
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254 if (ngx_test_config) {
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255
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256 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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257 goto failed;
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258 }
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259
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260 } else if (!ngx_is_init_cycle(old_cycle)) {
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261
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262 /*
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263 * we do not create the pid file in the first ngx_init_cycle() call
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264 * because we need to write the demonized process pid
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265 */
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266
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267 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
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268 ngx_core_module);
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269 if (ccf->pid.len != old_ccf->pid.len
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270 || ngx_strcmp(ccf->pid.data, old_ccf->pid.data) != 0)
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271 {
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272 /* new pid file name */
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273
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274 if (ngx_create_pidfile(&ccf->pid, log) != NGX_OK) {
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275 goto failed;
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276 }
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277
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278 ngx_delete_pidfile(old_cycle);
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279 }
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0
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280 }
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160
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281
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0
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282 #endif
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283
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284
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258
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285 if (ngx_test_lockfile(cycle->lock_file.data, log) != NGX_OK) {
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160
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286 goto failed;
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287 }
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16
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288
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160
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289
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290 if (ngx_create_pathes(cycle, ccf->user) != NGX_OK) {
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291 goto failed;
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16
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292 }
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293
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294
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160
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295 /* open the new files */
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0
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296
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160
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297 part = &cycle->open_files.part;
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298 file = part->elts;
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0
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299
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160
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300 for (i = 0; /* void */ ; i++) {
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0
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301
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160
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302 if (i >= part->nelts) {
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303 if (part->next == NULL) {
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0
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304 break;
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305 }
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160
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306 part = part->next;
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307 file = part->elts;
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308 i = 0;
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309 }
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310
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311 if (file[i].name.data == NULL) {
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312 continue;
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313 }
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314
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315 file[i].fd = ngx_open_file(file[i].name.data, NGX_FILE_RDWR,
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276
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316 NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND,
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317 NGX_FILE_DEFAULT_ACCESS);
|
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160
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318
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319 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
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320 "log: %p %d \"%s\"",
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321 &file[i], file[i].fd, file[i].name.data);
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322
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323 if (file[i].fd == NGX_INVALID_FILE) {
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324 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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325 ngx_open_file_n " \"%s\" failed",
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326 file[i].name.data);
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327 goto failed;
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328 }
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0
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329
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10
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330 #if (NGX_WIN32)
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160
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331 if (ngx_file_append_mode(file[i].fd) != NGX_OK) {
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332 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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333 ngx_file_append_mode_n " \"%s\" failed",
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334 file[i].name.data);
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335 goto failed;
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336 }
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0
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337 #else
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160
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338 if (fcntl(file[i].fd, F_SETFD, FD_CLOEXEC) == -1) {
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339 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
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340 "fcntl(FD_CLOEXEC) \"%s\" failed",
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341 file[i].name.data);
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342 goto failed;
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343 }
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0
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344 #endif
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345 }
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346
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347 cycle->log = cycle->new_log;
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348 pool->log = cycle->new_log;
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349
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350 if (cycle->log->log_level == 0) {
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351 cycle->log->log_level = NGX_LOG_ERR;
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352 }
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353
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10
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354
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258
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355 /* create shared memory */
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356
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357 part = &cycle->shared_memory.part;
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272
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358 shm_zone = part->elts;
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258
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359
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360 for (i = 0; /* void */ ; i++) {
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361
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362 if (i >= part->nelts) {
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363 if (part->next == NULL) {
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364 break;
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365 }
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366 part = part->next;
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272
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367 shm_zone = part->elts;
|
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258
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368 i = 0;
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369 }
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370
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272
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371 if (shm_zone[i].shm.size == 0) {
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372 ngx_log_error(NGX_LOG_EMERG, log, 0,
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373 "zero size shared memory zone \"%V\"",
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374 &shm_zone[i].name);
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375 goto failed;
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376 }
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377
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274
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378 if (shm_zone[i].init == NULL) {
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379 /* unused shared zone */
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380 continue;
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381 }
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382
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272
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383 shm_zone[i].shm.log = cycle->log;
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258
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384
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|
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385 opart = &old_cycle->shared_memory.part;
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272
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386 oshm_zone = opart->elts;
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258
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387
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|
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388 for (n = 0; /* void */ ; n++) {
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389
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|
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390 if (n >= opart->nelts) {
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391 if (opart->next == NULL) {
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392 break;
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393 }
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394 opart = opart->next;
|
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272
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395 oshm_zone = opart->elts;
|
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258
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396 n = 0;
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397 }
|
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398
|
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272
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399 if (shm_zone[i].name.len != oshm_zone[n].name.len) {
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400 continue;
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401 }
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402
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|
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403 if (ngx_strncmp(shm_zone[i].name.data, oshm_zone[n].name.data,
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|
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404 shm_zone[i].name.len)
|
|
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405 != 0)
|
|
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406 {
|
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258
|
407 continue;
|
|
|
408 }
|
|
|
409
|
|
272
|
410 if (shm_zone[i].shm.size == oshm_zone[n].shm.size) {
|
|
|
411 shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
|
|
|
412
|
|
|
413 if (shm_zone[i].init(&shm_zone[i], oshm_zone[n].data)
|
|
|
414 != NGX_OK)
|
|
|
415 {
|
|
|
416 goto failed;
|
|
|
417 }
|
|
|
418
|
|
|
419 goto shm_zone_found;
|
|
258
|
420 }
|
|
|
421
|
|
272
|
422 ngx_shm_free(&oshm_zone[n].shm);
|
|
258
|
423
|
|
|
424 break;
|
|
|
425 }
|
|
|
426
|
|
272
|
427 if (ngx_shm_alloc(&shm_zone[i].shm) != NGX_OK) {
|
|
258
|
428 goto failed;
|
|
|
429 }
|
|
|
430
|
|
272
|
431 shpool = (ngx_slab_pool_t *) shm_zone[i].shm.addr;
|
|
258
|
432
|
|
272
|
433 shpool->end = shm_zone[i].shm.addr + shm_zone[i].shm.size;
|
|
258
|
434 shpool->min_shift = 3;
|
|
|
435
|
|
|
436 #if (NGX_HAVE_ATOMIC_OPS)
|
|
|
437
|
|
|
438 lock_file = NULL;
|
|
|
439
|
|
|
440 #else
|
|
|
441
|
|
|
442 lock_file = ngx_palloc(cycle->pool,
|
|
272
|
443 cycle->lock_file.len + shm_zone[i].name.len);
|
|
258
|
444
|
|
|
445 if (lock_file == NULL) {
|
|
|
446 goto failed;
|
|
|
447 }
|
|
|
448
|
|
|
449 (void) ngx_cpystrn(ngx_cpymem(lock_file, cycle->lock_file.data,
|
|
|
450 cycle->lock_file.len),
|
|
272
|
451 shm_zone[i].name.data, shm_zone[i].name.len + 1);
|
|
258
|
452
|
|
|
453 #endif
|
|
|
454
|
|
|
455 if (ngx_shmtx_create(&shpool->mutex, (void *) &shpool->lock, lock_file)
|
|
|
456 != NGX_OK)
|
|
|
457 {
|
|
|
458 goto failed;
|
|
|
459 }
|
|
|
460
|
|
|
461 ngx_slab_init(shpool);
|
|
|
462
|
|
272
|
463 if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) {
|
|
|
464 goto failed;
|
|
|
465 }
|
|
|
466
|
|
|
467 shm_zone_found:
|
|
258
|
468
|
|
|
469 continue;
|
|
|
470 }
|
|
|
471
|
|
|
472
|
|
160
|
473 /* handle the listening sockets */
|
|
10
|
474
|
|
160
|
475 if (old_cycle->listening.nelts) {
|
|
|
476 ls = old_cycle->listening.elts;
|
|
|
477 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
478 ls[i].remain = 0;
|
|
|
479 }
|
|
0
|
480
|
|
160
|
481 nls = cycle->listening.elts;
|
|
|
482 for (n = 0; n < cycle->listening.nelts; n++) {
|
|
10
|
483
|
|
160
|
484 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
485 if (ls[i].ignore) {
|
|
|
486 continue;
|
|
|
487 }
|
|
0
|
488
|
|
160
|
489 if (ngx_cmp_sockaddr(nls[n].sockaddr, ls[i].sockaddr) == NGX_OK)
|
|
|
490 {
|
|
|
491 nls[n].fd = ls[i].fd;
|
|
|
492 nls[n].previous = &ls[i];
|
|
|
493 ls[i].remain = 1;
|
|
72
|
494
|
|
160
|
495 if (ls[n].backlog != nls[i].backlog) {
|
|
|
496 nls[n].listen = 1;
|
|
|
497 }
|
|
86
|
498
|
|
72
|
499 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
500
|
|
160
|
501 /*
|
|
|
502 * FreeBSD, except the most recent versions,
|
|
|
503 * could not remove accept filter
|
|
|
504 */
|
|
|
505 nls[n].deferred_accept = ls[i].deferred_accept;
|
|
72
|
506
|
|
160
|
507 if (ls[i].accept_filter && nls[n].accept_filter) {
|
|
|
508 if (ngx_strcmp(ls[i].accept_filter,
|
|
|
509 nls[n].accept_filter)
|
|
|
510 != 0)
|
|
|
511 {
|
|
72
|
512 nls[n].delete_deferred = 1;
|
|
|
513 nls[n].add_deferred = 1;
|
|
|
514 }
|
|
160
|
515
|
|
|
516 } else if (ls[i].accept_filter) {
|
|
|
517 nls[n].delete_deferred = 1;
|
|
|
518
|
|
|
519 } else if (nls[n].accept_filter) {
|
|
|
520 nls[n].add_deferred = 1;
|
|
|
521 }
|
|
72
|
522 #endif
|
|
|
523
|
|
|
524 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
525
|
|
160
|
526 if (ls[n].deferred_accept && !nls[n].deferred_accept) {
|
|
|
527 nls[n].delete_deferred = 1;
|
|
72
|
528
|
|
160
|
529 } else if (ls[i].deferred_accept != nls[n].deferred_accept)
|
|
|
530 {
|
|
|
531 nls[n].add_deferred = 1;
|
|
|
532 }
|
|
72
|
533 #endif
|
|
160
|
534 break;
|
|
0
|
535 }
|
|
|
536 }
|
|
|
537
|
|
160
|
538 if (nls[n].fd == -1) {
|
|
|
539 nls[n].open = 1;
|
|
0
|
540 }
|
|
|
541 }
|
|
|
542
|
|
160
|
543 } else {
|
|
|
544 ls = cycle->listening.elts;
|
|
|
545 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
546 ls[i].open = 1;
|
|
|
547 #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
|
|
|
548 if (ls[i].accept_filter) {
|
|
|
549 ls[i].add_deferred = 1;
|
|
0
|
550 }
|
|
160
|
551 #endif
|
|
|
552 #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
|
|
|
553 if (ls[i].deferred_accept) {
|
|
|
554 ls[i].add_deferred = 1;
|
|
72
|
555 }
|
|
160
|
556 #endif
|
|
0
|
557 }
|
|
|
558 }
|
|
|
559
|
|
160
|
560 if (ngx_open_listening_sockets(cycle) != NGX_OK) {
|
|
|
561 goto failed;
|
|
|
562 }
|
|
0
|
563
|
|
160
|
564 if (!ngx_test_config) {
|
|
|
565 ngx_configure_listening_socket(cycle);
|
|
0
|
566 }
|
|
|
567
|
|
|
568
|
|
|
569 /* commit the new cycle configuration */
|
|
|
570
|
|
10
|
571 #if !(NGX_WIN32)
|
|
0
|
572
|
|
|
573 if (!ngx_test_config && cycle->log->file->fd != STDERR_FILENO) {
|
|
|
574
|
|
|
575 ngx_log_debug3(NGX_LOG_DEBUG_CORE, log, 0,
|
|
10
|
576 "dup2: %p %d \"%s\"",
|
|
0
|
577 cycle->log->file,
|
|
|
578 cycle->log->file->fd, cycle->log->file->name.data);
|
|
|
579
|
|
160
|
580 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
0
|
581 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
582 "dup2(STDERR) failed");
|
|
|
583 /* fatal */
|
|
|
584 exit(1);
|
|
|
585 }
|
|
|
586 }
|
|
|
587
|
|
|
588 #endif
|
|
|
589
|
|
|
590 pool->log = cycle->log;
|
|
|
591
|
|
|
592 for (i = 0; ngx_modules[i]; i++) {
|
|
|
593 if (ngx_modules[i]->init_module) {
|
|
160
|
594 if (ngx_modules[i]->init_module(cycle) != NGX_OK) {
|
|
0
|
595 /* fatal */
|
|
|
596 exit(1);
|
|
|
597 }
|
|
|
598 }
|
|
|
599 }
|
|
|
600
|
|
16
|
601
|
|
0
|
602 /* close and delete stuff that lefts from an old cycle */
|
|
|
603
|
|
272
|
604 /* free the unnecessary shared memory */
|
|
|
605
|
|
|
606 opart = &old_cycle->shared_memory.part;
|
|
|
607 oshm_zone = opart->elts;
|
|
|
608
|
|
|
609 for (i = 0; /* void */ ; i++) {
|
|
|
610
|
|
|
611 if (i >= opart->nelts) {
|
|
|
612 if (opart->next == NULL) {
|
|
|
613 goto old_shm_zone_done;
|
|
|
614 }
|
|
|
615 opart = opart->next;
|
|
|
616 oshm_zone = opart->elts;
|
|
|
617 i = 0;
|
|
|
618 }
|
|
|
619
|
|
|
620 part = &cycle->shared_memory.part;
|
|
|
621 shm_zone = part->elts;
|
|
|
622
|
|
|
623 for (n = 0; /* void */ ; n++) {
|
|
|
624
|
|
|
625 if (n >= part->nelts) {
|
|
|
626 if (part->next == NULL) {
|
|
|
627 break;
|
|
|
628 }
|
|
|
629 part = part->next;
|
|
|
630 shm_zone = part->elts;
|
|
|
631 n = 0;
|
|
|
632 }
|
|
|
633
|
|
|
634 if (oshm_zone[i].name.len == shm_zone[n].name.len
|
|
|
635 && ngx_strncmp(oshm_zone[i].name.data,
|
|
|
636 shm_zone[n].name.data,
|
|
|
637 oshm_zone[i].name.len)
|
|
|
638 == 0)
|
|
|
639 {
|
|
|
640 goto live_shm_zone;
|
|
|
641 }
|
|
|
642 }
|
|
|
643
|
|
|
644 ngx_shm_free(&oshm_zone[i].shm);
|
|
|
645
|
|
|
646 live_shm_zone:
|
|
|
647
|
|
|
648 continue;
|
|
|
649 }
|
|
|
650
|
|
|
651 old_shm_zone_done:
|
|
|
652
|
|
|
653
|
|
|
654 /* close the unnecessary listening sockets */
|
|
0
|
655
|
|
|
656 ls = old_cycle->listening.elts;
|
|
|
657 for (i = 0; i < old_cycle->listening.nelts; i++) {
|
|
|
658 if (ls[i].remain) {
|
|
|
659 continue;
|
|
|
660 }
|
|
|
661
|
|
|
662 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
663 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
92
|
664 ngx_close_socket_n " listening socket on %V failed",
|
|
10
|
665 &ls[i].addr_text);
|
|
0
|
666 }
|
|
|
667 }
|
|
|
668
|
|
|
669
|
|
272
|
670 /* close the unnecessary open files */
|
|
0
|
671
|
|
|
672 part = &old_cycle->open_files.part;
|
|
|
673 file = part->elts;
|
|
|
674
|
|
|
675 for (i = 0; /* void */ ; i++) {
|
|
|
676
|
|
|
677 if (i >= part->nelts) {
|
|
|
678 if (part->next == NULL) {
|
|
|
679 break;
|
|
|
680 }
|
|
|
681 part = part->next;
|
|
|
682 file = part->elts;
|
|
|
683 i = 0;
|
|
|
684 }
|
|
|
685
|
|
|
686 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
687 continue;
|
|
|
688 }
|
|
|
689
|
|
|
690 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
691 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
692 ngx_close_file_n " \"%s\" failed",
|
|
|
693 file[i].name.data);
|
|
|
694 }
|
|
|
695 }
|
|
|
696
|
|
142
|
697 ngx_destroy_pool(conf.temp_pool);
|
|
|
698
|
|
154
|
699 if (ngx_process == NGX_PROCESS_MASTER || ngx_is_init_cycle(old_cycle)) {
|
|
|
700
|
|
356
|
701 /*
|
|
|
702 * perl_destruct() frees environ if it is not the same as it was at
|
|
|
703 * perl_construct() time. So we have saved an previous cycle
|
|
|
704 * environment before ngx_conf_parse() where it will be changed.
|
|
|
705 */
|
|
|
706
|
|
|
707 env = environ;
|
|
|
708 environ = senv;
|
|
|
709
|
|
0
|
710 ngx_destroy_pool(old_cycle->pool);
|
|
160
|
711 cycle->old_cycle = NULL;
|
|
|
712
|
|
356
|
713 environ = env;
|
|
|
714
|
|
0
|
715 return cycle;
|
|
|
716 }
|
|
|
717
|
|
|
718
|
|
|
719 if (ngx_temp_pool == NULL) {
|
|
|
720 ngx_temp_pool = ngx_create_pool(128, cycle->log);
|
|
|
721 if (ngx_temp_pool == NULL) {
|
|
|
722 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
723 "can not create ngx_temp_pool");
|
|
|
724 exit(1);
|
|
|
725 }
|
|
|
726
|
|
|
727 n = 10;
|
|
|
728 ngx_old_cycles.elts = ngx_pcalloc(ngx_temp_pool,
|
|
|
729 n * sizeof(ngx_cycle_t *));
|
|
|
730 if (ngx_old_cycles.elts == NULL) {
|
|
|
731 exit(1);
|
|
|
732 }
|
|
|
733 ngx_old_cycles.nelts = 0;
|
|
|
734 ngx_old_cycles.size = sizeof(ngx_cycle_t *);
|
|
|
735 ngx_old_cycles.nalloc = n;
|
|
|
736 ngx_old_cycles.pool = ngx_temp_pool;
|
|
|
737
|
|
58
|
738 ngx_cleaner_event.handler = ngx_clean_old_cycles;
|
|
0
|
739 ngx_cleaner_event.log = cycle->log;
|
|
|
740 ngx_cleaner_event.data = &dumb;
|
|
|
741 dumb.fd = (ngx_socket_t) -1;
|
|
|
742 }
|
|
|
743
|
|
|
744 ngx_temp_pool->log = cycle->log;
|
|
|
745
|
|
50
|
746 old = ngx_array_push(&ngx_old_cycles);
|
|
0
|
747 if (old == NULL) {
|
|
|
748 exit(1);
|
|
|
749 }
|
|
|
750 *old = old_cycle;
|
|
|
751
|
|
|
752 if (!ngx_cleaner_event.timer_set) {
|
|
|
753 ngx_add_timer(&ngx_cleaner_event, 30000);
|
|
|
754 ngx_cleaner_event.timer_set = 1;
|
|
|
755 }
|
|
|
756
|
|
|
757 return cycle;
|
|
160
|
758
|
|
|
759
|
|
|
760 failed:
|
|
|
761
|
|
296
|
762 if (!ngx_is_init_cycle(old_cycle)) {
|
|
|
763 old_ccf = (ngx_core_conf_t *) ngx_get_conf(old_cycle->conf_ctx,
|
|
|
764 ngx_core_module);
|
|
|
765 if (old_ccf->environment) {
|
|
|
766 environ = old_ccf->environment;
|
|
|
767 }
|
|
|
768 }
|
|
|
769
|
|
160
|
770 /* rollback the new cycle configuration */
|
|
|
771
|
|
|
772 part = &cycle->open_files.part;
|
|
|
773 file = part->elts;
|
|
|
774
|
|
|
775 for (i = 0; /* void */ ; i++) {
|
|
|
776
|
|
|
777 if (i >= part->nelts) {
|
|
|
778 if (part->next == NULL) {
|
|
|
779 break;
|
|
|
780 }
|
|
|
781 part = part->next;
|
|
|
782 file = part->elts;
|
|
|
783 i = 0;
|
|
|
784 }
|
|
|
785
|
|
|
786 if (file[i].fd == NGX_INVALID_FILE || file[i].fd == ngx_stderr_fileno) {
|
|
|
787 continue;
|
|
|
788 }
|
|
|
789
|
|
|
790 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
791 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
792 ngx_close_file_n " \"%s\" failed",
|
|
|
793 file[i].name.data);
|
|
|
794 }
|
|
|
795 }
|
|
|
796
|
|
|
797 if (ngx_test_config) {
|
|
|
798 ngx_destroy_cycle_pools(&conf);
|
|
|
799 return NULL;
|
|
|
800 }
|
|
|
801
|
|
|
802 ls = cycle->listening.elts;
|
|
|
803 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
804 if (ls[i].fd == -1 || !ls[i].open) {
|
|
|
805 continue;
|
|
|
806 }
|
|
|
807
|
|
|
808 if (ngx_close_socket(ls[i].fd) == -1) {
|
|
|
809 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
|
|
|
810 ngx_close_socket_n " %V failed",
|
|
|
811 &ls[i].addr_text);
|
|
|
812 }
|
|
|
813 }
|
|
|
814
|
|
|
815 ngx_destroy_cycle_pools(&conf);
|
|
|
816
|
|
|
817 return NULL;
|
|
0
|
818 }
|
|
|
819
|
|
|
820
|
|
154
|
821 static void
|
|
|
822 ngx_destroy_cycle_pools(ngx_conf_t *conf)
|
|
|
823 {
|
|
|
824 ngx_destroy_pool(conf->temp_pool);
|
|
|
825 ngx_destroy_pool(conf->pool);
|
|
|
826 }
|
|
|
827
|
|
|
828
|
|
112
|
829 static ngx_int_t
|
|
|
830 ngx_cmp_sockaddr(struct sockaddr *sa1, struct sockaddr *sa2)
|
|
10
|
831 {
|
|
|
832 struct sockaddr_in *sin1, *sin2;
|
|
|
833
|
|
|
834 /* AF_INET only */
|
|
|
835
|
|
28
|
836 if (sa1->sa_family != AF_INET || sa2->sa_family != AF_INET) {
|
|
10
|
837 return NGX_DECLINED;
|
|
|
838 }
|
|
|
839
|
|
28
|
840 sin1 = (struct sockaddr_in *) sa1;
|
|
|
841 sin2 = (struct sockaddr_in *) sa2;
|
|
10
|
842
|
|
|
843 if (sin1->sin_addr.s_addr != sin2->sin_addr.s_addr) {
|
|
|
844 return NGX_DECLINED;
|
|
|
845 }
|
|
|
846
|
|
|
847 if (sin1->sin_port != sin2->sin_port) {
|
|
|
848 return NGX_DECLINED;
|
|
|
849 }
|
|
|
850
|
|
|
851 return NGX_OK;
|
|
|
852 }
|
|
|
853
|
|
|
854
|
|
|
855 #if !(NGX_WIN32)
|
|
0
|
856
|
|
112
|
857 ngx_int_t
|
|
160
|
858 ngx_create_pidfile(ngx_str_t *name, ngx_log_t *log)
|
|
0
|
859 {
|
|
160
|
860 size_t len;
|
|
0
|
861 ngx_uint_t trunc;
|
|
|
862 ngx_file_t file;
|
|
270
|
863 u_char pid[NGX_INT64_LEN + 2];
|
|
0
|
864
|
|
|
865 ngx_memzero(&file, sizeof(ngx_file_t));
|
|
92
|
866
|
|
160
|
867 file.name = *name;
|
|
|
868 file.log = log;
|
|
0
|
869
|
|
160
|
870 trunc = ngx_test_config ? 0 : NGX_FILE_TRUNCATE;
|
|
0
|
871
|
|
|
872 file.fd = ngx_open_file(file.name.data, NGX_FILE_RDWR,
|
|
276
|
873 NGX_FILE_CREATE_OR_OPEN|trunc,
|
|
|
874 NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
875
|
|
|
876 if (file.fd == NGX_INVALID_FILE) {
|
|
160
|
877 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
0
|
878 ngx_open_file_n " \"%s\" failed", file.name.data);
|
|
|
879 return NGX_ERROR;
|
|
|
880 }
|
|
|
881
|
|
|
882 if (!ngx_test_config) {
|
|
270
|
883 len = ngx_snprintf(pid, NGX_INT64_LEN + 2, "%P%N", ngx_pid) - pid;
|
|
10
|
884
|
|
0
|
885 if (ngx_write_file(&file, pid, len, 0) == NGX_ERROR) {
|
|
|
886 return NGX_ERROR;
|
|
|
887 }
|
|
|
888 }
|
|
|
889
|
|
|
890 if (ngx_close_file(file.fd) == NGX_FILE_ERROR) {
|
|
160
|
891 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
0
|
892 ngx_close_file_n " \"%s\" failed", file.name.data);
|
|
|
893 }
|
|
|
894
|
|
|
895 return NGX_OK;
|
|
|
896 }
|
|
|
897
|
|
|
898
|
|
112
|
899 void
|
|
|
900 ngx_delete_pidfile(ngx_cycle_t *cycle)
|
|
126
|
901 {
|
|
0
|
902 u_char *name;
|
|
|
903 ngx_core_conf_t *ccf;
|
|
|
904
|
|
|
905 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
906
|
|
92
|
907 name = ngx_new_binary ? ccf->oldpid.data : ccf->pid.data;
|
|
0
|
908
|
|
|
909 if (ngx_delete_file(name) == NGX_FILE_ERROR) {
|
|
|
910 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
911 ngx_delete_file_n " \"%s\" failed", name);
|
|
|
912 }
|
|
|
913 }
|
|
|
914
|
|
|
915 #endif
|
|
|
916
|
|
|
917
|
|
160
|
918 static ngx_int_t
|
|
|
919 ngx_test_lockfile(u_char *file, ngx_log_t *log)
|
|
|
920 {
|
|
|
921 #if !(NGX_HAVE_ATOMIC_OPS)
|
|
|
922 ngx_fd_t fd;
|
|
|
923
|
|
284
|
924 fd = ngx_open_file(file, NGX_FILE_RDWR, NGX_FILE_CREATE_OR_OPEN,
|
|
|
925 NGX_FILE_DEFAULT_ACCESS);
|
|
160
|
926
|
|
|
927 if (fd == NGX_INVALID_FILE) {
|
|
|
928 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
|
|
|
929 ngx_open_file_n " \"%s\" failed", file);
|
|
|
930 return NGX_ERROR;
|
|
|
931 }
|
|
|
932
|
|
|
933 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
934 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
935 ngx_close_file_n " \"%s\" failed", file);
|
|
|
936 }
|
|
|
937
|
|
|
938 if (ngx_delete_file(file) == NGX_FILE_ERROR) {
|
|
|
939 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
|
|
|
940 ngx_delete_file_n " \"%s\" failed", file);
|
|
|
941 }
|
|
|
942
|
|
|
943 #endif
|
|
|
944
|
|
|
945 return NGX_OK;
|
|
|
946 }
|
|
|
947
|
|
|
948
|
|
112
|
949 void
|
|
|
950 ngx_reopen_files(ngx_cycle_t *cycle, ngx_uid_t user)
|
|
0
|
951 {
|
|
|
952 ngx_fd_t fd;
|
|
|
953 ngx_uint_t i;
|
|
|
954 ngx_list_part_t *part;
|
|
|
955 ngx_open_file_t *file;
|
|
|
956
|
|
|
957 part = &cycle->open_files.part;
|
|
|
958 file = part->elts;
|
|
|
959
|
|
|
960 for (i = 0; /* void */ ; i++) {
|
|
|
961
|
|
|
962 if (i >= part->nelts) {
|
|
|
963 if (part->next == NULL) {
|
|
|
964 break;
|
|
|
965 }
|
|
|
966 part = part->next;
|
|
72
|
967 file = part->elts;
|
|
0
|
968 i = 0;
|
|
|
969 }
|
|
|
970
|
|
|
971 if (file[i].name.data == NULL) {
|
|
|
972 continue;
|
|
|
973 }
|
|
|
974
|
|
120
|
975 if (file[i].buffer && file[i].pos - file[i].buffer != 0) {
|
|
|
976 ngx_write_fd(file[i].fd, file[i].buffer,
|
|
|
977 file[i].pos - file[i].buffer);
|
|
|
978 file[i].pos = file[i].buffer;
|
|
|
979 }
|
|
|
980
|
|
0
|
981 fd = ngx_open_file(file[i].name.data, NGX_FILE_RDWR,
|
|
276
|
982 NGX_FILE_CREATE_OR_OPEN|NGX_FILE_APPEND,
|
|
|
983 NGX_FILE_DEFAULT_ACCESS);
|
|
0
|
984
|
|
|
985 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
|
|
|
986 "reopen file \"%s\", old:%d new:%d",
|
|
|
987 file[i].name.data, file[i].fd, fd);
|
|
|
988
|
|
|
989 if (fd == NGX_INVALID_FILE) {
|
|
|
990 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
991 ngx_open_file_n " \"%s\" failed", file[i].name.data);
|
|
|
992 continue;
|
|
|
993 }
|
|
|
994
|
|
10
|
995 #if (NGX_WIN32)
|
|
0
|
996 if (ngx_file_append_mode(fd) == NGX_ERROR) {
|
|
|
997 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
998 ngx_file_append_mode_n " \"%s\" failed",
|
|
|
999 file[i].name.data);
|
|
|
1000
|
|
|
1001 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1002 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1003 ngx_close_file_n " \"%s\" failed",
|
|
|
1004 file[i].name.data);
|
|
|
1005 }
|
|
|
1006
|
|
|
1007 continue;
|
|
|
1008 }
|
|
|
1009 #else
|
|
66
|
1010 if (user != (ngx_uid_t) NGX_CONF_UNSET_UINT) {
|
|
356
|
1011 ngx_file_info_t fi;
|
|
2
|
1012
|
|
|
1013 if (ngx_file_info((const char *) file[i].name.data, &fi) == -1) {
|
|
|
1014 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1015 ngx_file_info_n " \"%s\" failed",
|
|
|
1016 file[i].name.data);
|
|
|
1017
|
|
|
1018 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1019 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1020 ngx_close_file_n " \"%s\" failed",
|
|
|
1021 file[i].name.data);
|
|
|
1022 }
|
|
|
1023 }
|
|
|
1024
|
|
16
|
1025 if (fi.st_uid != user) {
|
|
|
1026 if (chown((const char *) file[i].name.data, user, -1) == -1) {
|
|
|
1027 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1028 "chown(\"%s\", %d) failed",
|
|
|
1029 file[i].name.data, user);
|
|
|
1030
|
|
|
1031 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1032 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1033 ngx_close_file_n " \"%s\" failed",
|
|
|
1034 file[i].name.data);
|
|
|
1035 }
|
|
|
1036 }
|
|
|
1037 }
|
|
|
1038
|
|
2
|
1039 if ((fi.st_mode & (S_IRUSR|S_IWUSR)) != (S_IRUSR|S_IWUSR)) {
|
|
|
1040
|
|
|
1041 fi.st_mode |= (S_IRUSR|S_IWUSR);
|
|
|
1042
|
|
|
1043 if (chmod((const char *) file[i].name.data, fi.st_mode) == -1) {
|
|
|
1044 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
16
|
1045 "chmod() \"%s\" failed", file[i].name.data);
|
|
2
|
1046
|
|
|
1047 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1048 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1049 ngx_close_file_n " \"%s\" failed",
|
|
|
1050 file[i].name.data);
|
|
|
1051 }
|
|
|
1052 }
|
|
|
1053 }
|
|
0
|
1054 }
|
|
|
1055
|
|
|
1056 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
|
|
1057 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1058 "fcntl(FD_CLOEXEC) \"%s\" failed",
|
|
|
1059 file[i].name.data);
|
|
|
1060
|
|
|
1061 if (ngx_close_file(fd) == NGX_FILE_ERROR) {
|
|
|
1062 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1063 ngx_close_file_n " \"%s\" failed",
|
|
|
1064 file[i].name.data);
|
|
|
1065 }
|
|
|
1066
|
|
|
1067 continue;
|
|
|
1068 }
|
|
|
1069 #endif
|
|
|
1070
|
|
|
1071 if (ngx_close_file(file[i].fd) == NGX_FILE_ERROR) {
|
|
|
1072 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1073 ngx_close_file_n " \"%s\" failed",
|
|
|
1074 file[i].name.data);
|
|
|
1075 }
|
|
|
1076
|
|
|
1077 file[i].fd = fd;
|
|
|
1078 }
|
|
|
1079
|
|
10
|
1080 #if !(NGX_WIN32)
|
|
0
|
1081
|
|
|
1082 if (cycle->log->file->fd != STDERR_FILENO) {
|
|
|
1083 if (dup2(cycle->log->file->fd, STDERR_FILENO) == -1) {
|
|
|
1084 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
|
1085 "dup2(STDERR) failed");
|
|
|
1086 }
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 #endif
|
|
|
1090 }
|
|
|
1091
|
|
|
1092
|
|
272
|
1093 ngx_shm_zone_t *
|
|
|
1094 ngx_shared_memory_add(ngx_conf_t *cf, ngx_str_t *name, size_t size, void *tag)
|
|
|
1095 {
|
|
|
1096 ngx_uint_t i;
|
|
|
1097 ngx_shm_zone_t *shm_zone;
|
|
|
1098 ngx_list_part_t *part;
|
|
|
1099
|
|
|
1100 part = &cf->cycle->shared_memory.part;
|
|
|
1101 shm_zone = part->elts;
|
|
|
1102
|
|
|
1103 for (i = 0; /* void */ ; i++) {
|
|
|
1104
|
|
|
1105 if (i >= part->nelts) {
|
|
|
1106 if (part->next == NULL) {
|
|
|
1107 break;
|
|
|
1108 }
|
|
|
1109 part = part->next;
|
|
|
1110 shm_zone = part->elts;
|
|
|
1111 i = 0;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 if (name->len != shm_zone[i].name.len) {
|
|
|
1115 continue;
|
|
|
1116 }
|
|
|
1117
|
|
|
1118 if (ngx_strncmp(name->data, shm_zone[i].name.data, name->len) != 0) {
|
|
|
1119 continue;
|
|
|
1120 }
|
|
|
1121
|
|
|
1122 if (size && size != shm_zone[i].shm.size) {
|
|
|
1123 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1124 "the size %uz of shared memory zone \"%V\" "
|
|
|
1125 "conflicts with already declared size %uz",
|
|
|
1126 size, &shm_zone[i].name, shm_zone[i].shm.size);
|
|
|
1127 return NULL;
|
|
|
1128 }
|
|
|
1129
|
|
|
1130 if (tag != shm_zone[i].tag) {
|
|
|
1131 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1132 "the shared memory zone \"%V\" is "
|
|
|
1133 "already declared for a different use",
|
|
|
1134 &shm_zone[i].name);
|
|
|
1135 return NULL;
|
|
|
1136 }
|
|
|
1137
|
|
|
1138 return &shm_zone[i];
|
|
|
1139 }
|
|
|
1140
|
|
|
1141 shm_zone = ngx_list_push(&cf->cycle->shared_memory);
|
|
|
1142
|
|
|
1143 if (shm_zone == NULL) {
|
|
|
1144 return NULL;
|
|
|
1145 }
|
|
|
1146
|
|
|
1147 shm_zone->data = NULL;
|
|
|
1148 shm_zone->shm.log = cf->cycle->log;
|
|
|
1149 shm_zone->shm.size = size;
|
|
|
1150 shm_zone->init = NULL;
|
|
|
1151 shm_zone->name = *name;
|
|
|
1152 shm_zone->tag = tag;
|
|
|
1153
|
|
|
1154 return shm_zone;
|
|
|
1155 }
|
|
|
1156
|
|
|
1157
|
|
112
|
1158 static void
|
|
|
1159 ngx_clean_old_cycles(ngx_event_t *ev)
|
|
0
|
1160 {
|
|
|
1161 ngx_uint_t i, n, found, live;
|
|
|
1162 ngx_log_t *log;
|
|
|
1163 ngx_cycle_t **cycle;
|
|
|
1164
|
|
|
1165 log = ngx_cycle->log;
|
|
|
1166 ngx_temp_pool->log = log;
|
|
|
1167
|
|
|
1168 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycles");
|
|
|
1169
|
|
|
1170 live = 0;
|
|
|
1171
|
|
|
1172 cycle = ngx_old_cycles.elts;
|
|
|
1173 for (i = 0; i < ngx_old_cycles.nelts; i++) {
|
|
|
1174
|
|
|
1175 if (cycle[i] == NULL) {
|
|
|
1176 continue;
|
|
|
1177 }
|
|
|
1178
|
|
|
1179 found = 0;
|
|
|
1180
|
|
|
1181 for (n = 0; n < cycle[i]->connection_n; n++) {
|
|
110
|
1182 if (cycle[i]->connections[n].fd != (ngx_socket_t) -1) {
|
|
0
|
1183 found = 1;
|
|
|
1184
|
|
|
1185 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "live fd:%d", n);
|
|
|
1186
|
|
|
1187 break;
|
|
|
1188 }
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 if (found) {
|
|
|
1192 live = 1;
|
|
|
1193 continue;
|
|
|
1194 }
|
|
|
1195
|
|
|
1196 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "clean old cycle: %d", i);
|
|
|
1197
|
|
|
1198 ngx_destroy_pool(cycle[i]->pool);
|
|
|
1199 cycle[i] = NULL;
|
|
|
1200 }
|
|
|
1201
|
|
|
1202 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, "old cycles status: %d", live);
|
|
|
1203
|
|
|
1204 if (live) {
|
|
|
1205 ngx_add_timer(ev, 30000);
|
|
|
1206
|
|
|
1207 } else {
|
|
|
1208 ngx_destroy_pool(ngx_temp_pool);
|
|
|
1209 ngx_temp_pool = NULL;
|
|
|
1210 ngx_old_cycles.nelts = 0;
|
|
|
1211 }
|
|
|
1212 }
|
