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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 #include <nginx.h>
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11
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12
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13 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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2
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14 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
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15 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv);
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0
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16 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
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17 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
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18 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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278
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19 static char *ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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22
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20 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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126
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21 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
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22 void *conf);
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0
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23
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24
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10
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25 static ngx_conf_enum_t ngx_debug_points[] = {
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26 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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27 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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28 { ngx_null_string, 0 }
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126
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29 };
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10
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30
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31
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0
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32 static ngx_command_t ngx_core_commands[] = {
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33
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34 { ngx_string("daemon"),
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112
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35 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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36 ngx_conf_set_flag_slot,
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37 0,
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38 offsetof(ngx_core_conf_t, daemon),
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39 NULL },
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40
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41 { ngx_string("master_process"),
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112
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42 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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43 ngx_conf_set_flag_slot,
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44 0,
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45 offsetof(ngx_core_conf_t, master),
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46 NULL },
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47
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112
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48 { ngx_string("timer_resolution"),
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49 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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50 ngx_conf_set_msec_slot,
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51 0,
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52 offsetof(ngx_core_conf_t, timer_resolution),
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53 NULL },
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54
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92
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55 { ngx_string("pid"),
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56 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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57 ngx_conf_set_str_slot,
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58 0,
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59 offsetof(ngx_core_conf_t, pid),
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60 NULL },
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61
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160
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62 { ngx_string("lock_file"),
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63 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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64 ngx_conf_set_str_slot,
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65 0,
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66 offsetof(ngx_core_conf_t, lock_file),
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67 NULL },
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68
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0
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69 { ngx_string("worker_processes"),
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70 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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71 ngx_conf_set_num_slot,
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72 0,
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73 offsetof(ngx_core_conf_t, worker_processes),
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74 NULL },
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75
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10
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76 { ngx_string("debug_points"),
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77 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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78 ngx_conf_set_enum_slot,
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79 0,
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80 offsetof(ngx_core_conf_t, debug_points),
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81 &ngx_debug_points },
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82
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92
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83 { ngx_string("user"),
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84 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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85 ngx_set_user,
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86 0,
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87 0,
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88 NULL },
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89
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90 { ngx_string("worker_priority"),
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91 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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92 ngx_set_priority,
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93 0,
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94 0,
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95 NULL },
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96
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126
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97 { ngx_string("worker_cpu_affinity"),
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98 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
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99 ngx_set_cpu_affinity,
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100 0,
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101 0,
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102 NULL },
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103
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92
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104 { ngx_string("worker_rlimit_nofile"),
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105 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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106 ngx_conf_set_num_slot,
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107 0,
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108 offsetof(ngx_core_conf_t, rlimit_nofile),
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109 NULL },
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110
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138
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111 { ngx_string("worker_rlimit_core"),
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112 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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270
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113 ngx_conf_set_size_slot,
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138
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114 0,
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115 offsetof(ngx_core_conf_t, rlimit_core),
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116 NULL },
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117
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92
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118 { ngx_string("worker_rlimit_sigpending"),
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119 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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120 ngx_conf_set_num_slot,
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121 0,
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122 offsetof(ngx_core_conf_t, rlimit_sigpending),
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123 NULL },
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124
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125 { ngx_string("working_directory"),
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126 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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127 ngx_conf_set_str_slot,
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128 0,
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129 offsetof(ngx_core_conf_t, working_directory),
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130 NULL },
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131
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278
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132 { ngx_string("env"),
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133 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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134 ngx_set_env,
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135 0,
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136 0,
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137 NULL },
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138
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0
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139 #if (NGX_THREADS)
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140
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141 { ngx_string("worker_threads"),
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142 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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143 ngx_conf_set_num_slot,
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144 0,
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145 offsetof(ngx_core_conf_t, worker_threads),
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146 NULL },
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147
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148 { ngx_string("thread_stack_size"),
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149 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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150 ngx_conf_set_size_slot,
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151 0,
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152 offsetof(ngx_core_conf_t, thread_stack_size),
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153 NULL },
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154
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155 #endif
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156
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157 ngx_null_command
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158 };
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159
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160
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161 static ngx_core_module_t ngx_core_module_ctx = {
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162 ngx_string("core"),
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163 ngx_core_module_create_conf,
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164 ngx_core_module_init_conf
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165 };
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166
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167
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168 ngx_module_t ngx_core_module = {
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58
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169 NGX_MODULE_V1,
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0
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170 &ngx_core_module_ctx, /* module context */
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171 ngx_core_commands, /* module directives */
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172 NGX_CORE_MODULE, /* module type */
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90
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173 NULL, /* init master */
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0
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174 NULL, /* init module */
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90
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175 NULL, /* init process */
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176 NULL, /* init thread */
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177 NULL, /* exit thread */
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178 NULL, /* exit process */
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179 NULL, /* exit master */
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180 NGX_MODULE_V1_PADDING
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0
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181 };
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182
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183
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184 ngx_uint_t ngx_max_module;
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185
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188
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186 static ngx_uint_t ngx_show_version;
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270
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187 static ngx_uint_t ngx_show_configure;
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188
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188
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278
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189 static char **ngx_os_environ;
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150
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190
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0
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191
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52
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192 int ngx_cdecl
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48
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193 main(int argc, char *const *argv)
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0
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194 {
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2
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195 ngx_int_t i;
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196 ngx_log_t *log;
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197 ngx_cycle_t *cycle, init_cycle;
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198 ngx_core_conf_t *ccf;
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0
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199
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4
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200 #if (NGX_FREEBSD)
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0
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201 ngx_debug_init();
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202 #endif
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203
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204 /* TODO */ ngx_max_sockets = -1;
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205
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206 ngx_time_init();
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207
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4
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208 #if (NGX_PCRE)
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0
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209 ngx_regex_init();
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210 #endif
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211
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212 ngx_pid = ngx_getpid();
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213
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50
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214 log = ngx_log_init();
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215 if (log == NULL) {
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0
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216 return 1;
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217 }
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218
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90
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219 /* STUB */
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0
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220 #if (NGX_OPENSSL)
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221 ngx_ssl_init(log);
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222 #endif
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223
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224 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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225
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226 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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227 init_cycle.log = log;
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228 ngx_cycle = &init_cycle;
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229
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50
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230 init_cycle.pool = ngx_create_pool(1024, log);
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231 if (init_cycle.pool == NULL) {
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0
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232 return 1;
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233 }
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234
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160
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235 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
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2
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236 return 1;
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237 }
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238
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160
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239 if (ngx_getopt(&init_cycle, argc, ngx_argv) != NGX_OK) {
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0
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240 return 1;
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241 }
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242
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188
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243 if (ngx_show_version) {
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244 ngx_write_fd(ngx_stderr_fileno, "nginx version: " NGINX_VER CRLF,
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245 sizeof("nginx version: " NGINX_VER CRLF) - 1);
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246
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270
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247 if (ngx_show_configure) {
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188
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248 #ifdef NGX_COMPILER
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270
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249 ngx_write_fd(ngx_stderr_fileno, "built by " NGX_COMPILER CRLF,
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250 sizeof("built by " NGX_COMPILER CRLF) - 1);
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188
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251 #endif
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270
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252
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253 #ifndef __WATCOMC__
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254
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255 /* OpenWatcomC could not build the long NGX_CONFIGURE string */
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256
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257 ngx_write_fd(ngx_stderr_fileno,
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258 "configure arguments: " NGX_CONFIGURE CRLF,
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259 sizeof("configure arguments :" NGX_CONFIGURE CRLF) - 1);
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260 #endif
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261 }
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262
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190
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263 if (!ngx_test_config) {
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264 return 0;
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265 }
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188
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266 }
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267
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0
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268 if (ngx_test_config) {
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269 log->log_level = NGX_LOG_INFO;
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270 }
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271
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160
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272 if (ngx_os_init(log) != NGX_OK) {
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0
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273 return 1;
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274 }
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275
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270
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276 /* ngx_crc32_init() requires ngx_cacheline_size set in ngx_os_init() */
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277
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278 if (ngx_crc32_init() != NGX_OK) {
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279 return 1;
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280 }
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281
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160
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282 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
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0
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283 return 1;
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284 }
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285
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286 ngx_max_module = 0;
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287 for (i = 0; ngx_modules[i]; i++) {
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288 ngx_modules[i]->index = ngx_max_module++;
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289 }
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290
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291 cycle = ngx_init_cycle(&init_cycle);
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292 if (cycle == NULL) {
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293 if (ngx_test_config) {
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294 ngx_log_error(NGX_LOG_EMERG, log, 0,
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106
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295 "the configuration file %s test failed",
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0
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296 init_cycle.conf_file.data);
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297 }
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298
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299 return 1;
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300 }
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301
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302 if (ngx_test_config) {
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303 ngx_log_error(NGX_LOG_INFO, log, 0,
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106
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304 "the configuration file %s was tested successfully",
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4
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305 cycle->conf_file.data);
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0
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306 return 0;
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307 }
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308
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309 ngx_os_status(cycle->log);
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310
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311 ngx_cycle = cycle;
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312
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313 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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314
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315 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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316
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10
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317 #if (NGX_WIN32)
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0
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318
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319 #if 0
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320
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321 TODO:
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322
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323 if (ccf->run_as_service) {
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160
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324 if (ngx_service(cycle->log) != NGX_OK) {
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0
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325 return 1;
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326 }
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327
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328 return 0;
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329 }
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330 #endif
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331
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332 #else
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333
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160
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334 if (ngx_init_signals(cycle->log) != NGX_OK) {
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88
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335 return 1;
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336 }
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337
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0
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338 if (!ngx_inherited && ccf->daemon) {
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160
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339 if (ngx_daemon(cycle->log) != NGX_OK) {
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0
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340 return 1;
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341 }
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342
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343 ngx_daemonized = 1;
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344 }
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345
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160
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346 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
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0
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347 return 1;
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348 }
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349
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350 #endif
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351
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352 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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353 ngx_master_process_cycle(cycle);
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0
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354
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355 } else {
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2
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356 ngx_single_process_cycle(cycle);
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0
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357 }
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358
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359 return 0;
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360 }
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361
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362
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48
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363 static ngx_int_t
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364 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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365 {
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50
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366 u_char *p, *v, *inherited;
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367 ngx_int_t s;
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368 ngx_listening_t *ls;
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0
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369
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370 inherited = (u_char *) getenv(NGINX_VAR);
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371
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372 if (inherited == NULL) {
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373 return NGX_OK;
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374 }
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375
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10
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376 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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377 "using inherited sockets from \"%s\"", inherited);
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378
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10
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379 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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242
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380 sizeof(ngx_listening_t))
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381 == NGX_ERROR)
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10
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382 {
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383 return NGX_ERROR;
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384 }
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0
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385
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386 for (p = inherited, v = p; *p; p++) {
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387 if (*p == ':' || *p == ';') {
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388 s = ngx_atoi(v, p - v);
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389 if (s == NGX_ERROR) {
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390 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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391 "invalid socket number \"%s\" in " NGINX_VAR
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392 " environment variable, ignoring the rest"
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393 " of the variable", v);
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0
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394 break;
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395 }
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396
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397 v = p + 1;
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398
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50
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399 ls = ngx_array_push(&cycle->listening);
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|
|
400 if (ls == NULL) {
|
|
0
|
401 return NGX_ERROR;
|
|
|
402 }
|
|
|
403
|
|
72
|
404 ngx_memzero(ls, sizeof(ngx_listening_t));
|
|
|
405
|
|
50
|
406 ls->fd = (ngx_socket_t) s;
|
|
0
|
407 }
|
|
|
408 }
|
|
|
409
|
|
|
410 ngx_inherited = 1;
|
|
|
411
|
|
|
412 return ngx_set_inherited_sockets(cycle);
|
|
|
413 }
|
|
|
414
|
|
|
415
|
|
278
|
416 char **
|
|
|
417 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last)
|
|
|
418 {
|
|
|
419 char **p, **env;
|
|
|
420 ngx_str_t *var;
|
|
|
421 ngx_uint_t i, n;
|
|
|
422 ngx_core_conf_t *ccf;
|
|
|
423
|
|
|
424 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
425
|
|
280
|
426 if (last == NULL && ccf->environment) {
|
|
|
427 return ccf->environment;
|
|
278
|
428 }
|
|
|
429
|
|
|
430 var = ccf->env.elts;
|
|
|
431
|
|
|
432 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
433 if (ngx_strcmp(var[i].data, "TZ") == 0
|
|
|
434 || ngx_strncmp(var[i].data, "TZ=", 3) == 0)
|
|
|
435 {
|
|
|
436 goto tz_found;
|
|
|
437 }
|
|
|
438 }
|
|
|
439
|
|
|
440 var = ngx_array_push(&ccf->env);
|
|
322
|
441 if (var == NULL) {
|
|
|
442 return NULL;
|
|
|
443 }
|
|
278
|
444
|
|
|
445 var->len = 2;
|
|
|
446 var->data = (u_char *) "TZ";
|
|
|
447
|
|
|
448 var = ccf->env.elts;
|
|
|
449
|
|
|
450 tz_found:
|
|
|
451
|
|
280
|
452 n = 0;
|
|
|
453
|
|
278
|
454 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
455
|
|
|
456 if (var[i].data[var[i].len] == '=') {
|
|
|
457 n++;
|
|
|
458 continue;
|
|
|
459 }
|
|
|
460
|
|
|
461 for (p = ngx_os_environ; *p; p++) {
|
|
|
462
|
|
|
463 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
464 && (*p)[var[i].len] == '=')
|
|
|
465 {
|
|
|
466 n++;
|
|
|
467 break;
|
|
|
468 }
|
|
|
469 }
|
|
|
470 }
|
|
|
471
|
|
|
472 if (last) {
|
|
280
|
473 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log);
|
|
278
|
474 *last = n;
|
|
|
475
|
|
|
476 } else {
|
|
|
477 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *));
|
|
|
478 }
|
|
|
479
|
|
|
480 if (env == NULL) {
|
|
|
481 return NULL;
|
|
|
482 }
|
|
|
483
|
|
|
484 n = 0;
|
|
|
485
|
|
|
486 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
487
|
|
|
488 if (var[i].data[var[i].len] == '=') {
|
|
|
489 env[n++] = (char *) var[i].data;
|
|
|
490 continue;
|
|
|
491 }
|
|
|
492
|
|
|
493 for (p = ngx_os_environ; *p; p++) {
|
|
|
494
|
|
|
495 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
496 && (*p)[var[i].len] == '=')
|
|
|
497 {
|
|
|
498 env[n++] = *p;
|
|
|
499 break;
|
|
|
500 }
|
|
|
501 }
|
|
|
502 }
|
|
|
503
|
|
|
504 env[n] = NULL;
|
|
|
505
|
|
|
506 if (last == NULL) {
|
|
|
507 ccf->environment = env;
|
|
|
508 environ = env;
|
|
|
509 }
|
|
|
510
|
|
|
511 return env;
|
|
|
512 }
|
|
|
513
|
|
|
514
|
|
92
|
515 ngx_pid_t
|
|
|
516 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
517 {
|
|
278
|
518 char **env, *var;
|
|
|
519 u_char *p;
|
|
|
520 ngx_uint_t i, n;
|
|
|
521 ngx_pid_t pid;
|
|
|
522 ngx_exec_ctx_t ctx;
|
|
|
523 ngx_core_conf_t *ccf;
|
|
|
524 ngx_listening_t *ls;
|
|
0
|
525
|
|
|
526 ctx.path = argv[0];
|
|
|
527 ctx.name = "new binary process";
|
|
|
528 ctx.argv = argv;
|
|
|
529
|
|
278
|
530 n = 2;
|
|
|
531 env = ngx_set_environment(cycle, &n);
|
|
|
532 if (env == NULL) {
|
|
|
533 return NGX_INVALID_PID;
|
|
|
534 }
|
|
|
535
|
|
0
|
536 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
537 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
538 cycle->log);
|
|
|
539
|
|
10
|
540 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
541
|
|
|
542 ls = cycle->listening.elts;
|
|
|
543 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
544 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
545 }
|
|
|
546
|
|
10
|
547 *p = '\0';
|
|
|
548
|
|
278
|
549 env[n++] = var;
|
|
2
|
550
|
|
|
551 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
552
|
|
10
|
553 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
554
|
|
278
|
555 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
556 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
557 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
558 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
559 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
2
|
560
|
|
|
561 #endif
|
|
|
562
|
|
278
|
563 env[n] = NULL;
|
|
|
564
|
|
|
565 #if (NGX_DEBUG)
|
|
|
566 {
|
|
|
567 char **e;
|
|
|
568 for (e = env; *e; e++) {
|
|
|
569 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e);
|
|
|
570 }
|
|
|
571 }
|
|
|
572 #endif
|
|
|
573
|
|
|
574 ctx.envp = (char *const *) env;
|
|
0
|
575
|
|
92
|
576 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
577
|
|
278
|
578 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) {
|
|
92
|
579 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
580 ngx_rename_file_n " %s to %s failed "
|
|
|
581 "before executing new binary process \"%s\"",
|
|
|
582 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
583
|
|
278
|
584 ngx_free(env);
|
|
92
|
585 ngx_free(var);
|
|
|
586
|
|
|
587 return NGX_INVALID_PID;
|
|
|
588 }
|
|
|
589
|
|
0
|
590 pid = ngx_execute(cycle, &ctx);
|
|
|
591
|
|
92
|
592 if (pid == NGX_INVALID_PID) {
|
|
278
|
593 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) {
|
|
92
|
594 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
278
|
595 ngx_rename_file_n " %s back to %s failed after "
|
|
|
596 "the try to execute the new binary process \"%s\"",
|
|
92
|
597 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
598 }
|
|
|
599 }
|
|
|
600
|
|
278
|
601 ngx_free(env);
|
|
0
|
602 ngx_free(var);
|
|
|
603
|
|
|
604 return pid;
|
|
|
605 }
|
|
|
606
|
|
|
607
|
|
92
|
608 static ngx_int_t
|
|
|
609 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
610 {
|
|
|
611 ngx_int_t i;
|
|
|
612
|
|
2
|
613 for (i = 1; i < argc; i++) {
|
|
|
614 if (argv[i][0] != '-') {
|
|
0
|
615 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
616 "invalid option: \"%s\"", argv[i]);
|
|
0
|
617 return NGX_ERROR;
|
|
|
618 }
|
|
|
619
|
|
2
|
620 switch (argv[i][1]) {
|
|
0
|
621
|
|
188
|
622 case 'v':
|
|
|
623 ngx_show_version = 1;
|
|
|
624 break;
|
|
|
625
|
|
270
|
626 case 'V':
|
|
|
627 ngx_show_version = 1;
|
|
|
628 ngx_show_configure = 1;
|
|
|
629 break;
|
|
|
630
|
|
0
|
631 case 't':
|
|
|
632 ngx_test_config = 1;
|
|
|
633 break;
|
|
|
634
|
|
|
635 case 'c':
|
|
2
|
636 if (argv[i + 1] == NULL) {
|
|
0
|
637 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
638 "the option: \"%s\" requires file name",
|
|
2
|
639 argv[i]);
|
|
0
|
640 return NGX_ERROR;
|
|
|
641 }
|
|
|
642
|
|
2
|
643 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
644 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
645 break;
|
|
|
646
|
|
|
647 default:
|
|
|
648 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
649 "invalid option: \"%s\"", argv[i]);
|
|
0
|
650 return NGX_ERROR;
|
|
|
651 }
|
|
|
652 }
|
|
|
653
|
|
|
654 if (cycle->conf_file.data == NULL) {
|
|
|
655 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
656 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
657 }
|
|
|
658
|
|
|
659 if (ngx_conf_full_name(cycle, &cycle->conf_file) == NGX_ERROR) {
|
|
|
660 return NGX_ERROR;
|
|
|
661 }
|
|
|
662
|
|
|
663 return NGX_OK;
|
|
|
664 }
|
|
|
665
|
|
|
666
|
|
48
|
667 static ngx_int_t
|
|
|
668 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
669 {
|
|
50
|
670 #if (NGX_FREEBSD)
|
|
|
671
|
|
|
672 ngx_os_argv = (char **) argv;
|
|
|
673 ngx_argc = argc;
|
|
|
674 ngx_argv = (char **) argv;
|
|
|
675
|
|
|
676 #else
|
|
2
|
677 size_t len;
|
|
|
678 ngx_int_t i;
|
|
|
679
|
|
|
680 ngx_os_argv = (char **) argv;
|
|
|
681 ngx_argc = argc;
|
|
|
682
|
|
50
|
683 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
684 if (ngx_argv == NULL) {
|
|
2
|
685 return NGX_ERROR;
|
|
|
686 }
|
|
|
687
|
|
|
688 for (i = 0; i < argc; i++) {
|
|
|
689 len = ngx_strlen(argv[i]) + 1;
|
|
|
690
|
|
50
|
691 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
692 if (ngx_argv[i] == NULL) {
|
|
2
|
693 return NGX_ERROR;
|
|
|
694 }
|
|
|
695
|
|
66
|
696 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
697 }
|
|
|
698
|
|
|
699 ngx_argv[i] = NULL;
|
|
|
700
|
|
|
701 #endif
|
|
|
702
|
|
278
|
703 ngx_os_environ = environ;
|
|
|
704
|
|
2
|
705 return NGX_OK;
|
|
|
706 }
|
|
|
707
|
|
|
708
|
|
48
|
709 static void *
|
|
|
710 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
711 {
|
|
|
712 ngx_core_conf_t *ccf;
|
|
|
713
|
|
50
|
714 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
715 if (ccf == NULL) {
|
|
0
|
716 return NULL;
|
|
|
717 }
|
|
28
|
718
|
|
|
719 /*
|
|
|
720 * set by pcalloc()
|
|
0
|
721 *
|
|
28
|
722 * ccf->pid = NULL;
|
|
92
|
723 * ccf->oldpid = NULL;
|
|
28
|
724 * ccf->priority = 0;
|
|
126
|
725 * ccf->cpu_affinity_n = 0;
|
|
|
726 * ccf->cpu_affinity = NULL;
|
|
0
|
727 */
|
|
28
|
728
|
|
0
|
729 ccf->daemon = NGX_CONF_UNSET;
|
|
|
730 ccf->master = NGX_CONF_UNSET;
|
|
112
|
731 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
732
|
|
0
|
733 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
734 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
735
|
|
|
736 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
270
|
737 ccf->rlimit_core = NGX_CONF_UNSET_SIZE;
|
|
92
|
738 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
739
|
|
66
|
740 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
741 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
742
|
|
0
|
743 #if (NGX_THREADS)
|
|
|
744 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
745 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
746 #endif
|
|
|
747
|
|
278
|
748 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t))
|
|
|
749 != NGX_OK)
|
|
|
750 {
|
|
|
751 return NULL;
|
|
|
752 }
|
|
|
753
|
|
0
|
754 return ccf;
|
|
|
755 }
|
|
|
756
|
|
|
757
|
|
48
|
758 static char *
|
|
|
759 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
760 {
|
|
|
761 ngx_core_conf_t *ccf = conf;
|
|
|
762
|
|
10
|
763 #if !(NGX_WIN32)
|
|
278
|
764 ngx_str_t lock_file;
|
|
|
765 struct group *grp;
|
|
|
766 struct passwd *pwd;
|
|
0
|
767 #endif
|
|
|
768
|
|
|
769 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
770 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
771 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
772
|
|
0
|
773 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
774 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
775
|
|
126
|
776 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
777
|
|
|
778 if (ccf->cpu_affinity_n
|
|
|
779 && ccf->cpu_affinity_n != 1
|
|
|
780 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
781 {
|
|
|
782 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
783 "number of the \"worker_processes\" is not equal to "
|
|
|
784 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
785 "using last mask for remaining worker processes");
|
|
|
786 }
|
|
|
787
|
|
|
788 #endif
|
|
|
789
|
|
0
|
790 #if (NGX_THREADS)
|
|
126
|
791
|
|
0
|
792 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
793 ngx_threads_n = ccf->worker_threads;
|
|
|
794 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
795
|
|
0
|
796 #endif
|
|
|
797
|
|
10
|
798 #if !(NGX_WIN32)
|
|
0
|
799
|
|
66
|
800 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
0
|
801
|
|
318
|
802 ngx_set_errno(0);
|
|
4
|
803 pwd = getpwnam(NGX_USER);
|
|
0
|
804 if (pwd == NULL) {
|
|
|
805 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
806 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
807 return NGX_CONF_ERROR;
|
|
|
808 }
|
|
|
809
|
|
22
|
810 ccf->username = NGX_USER;
|
|
0
|
811 ccf->user = pwd->pw_uid;
|
|
|
812
|
|
318
|
813 ngx_set_errno(0);
|
|
4
|
814 grp = getgrnam(NGX_GROUP);
|
|
0
|
815 if (grp == NULL) {
|
|
|
816 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
817 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
818 return NGX_CONF_ERROR;
|
|
|
819 }
|
|
|
820
|
|
|
821 ccf->group = grp->gr_gid;
|
|
|
822 }
|
|
|
823
|
|
|
824 if (ccf->pid.len == 0) {
|
|
|
825 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
826 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
827 }
|
|
|
828
|
|
|
829 if (ngx_conf_full_name(cycle, &ccf->pid) == NGX_ERROR) {
|
|
|
830 return NGX_CONF_ERROR;
|
|
|
831 }
|
|
|
832
|
|
92
|
833 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
834
|
|
92
|
835 ccf->oldpid.data = ngx_palloc(cycle->pool, ccf->oldpid.len);
|
|
|
836 if (ccf->oldpid.data == NULL) {
|
|
0
|
837 return NGX_CONF_ERROR;
|
|
|
838 }
|
|
|
839
|
|
92
|
840 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
841 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
842
|
|
258
|
843
|
|
160
|
844 if (ccf->lock_file.len == 0) {
|
|
|
845 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
|
846 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
|
847 }
|
|
|
848
|
|
|
849 if (ngx_conf_full_name(cycle, &ccf->lock_file) == NGX_ERROR) {
|
|
|
850 return NGX_CONF_ERROR;
|
|
|
851 }
|
|
|
852
|
|
258
|
853 lock_file = cycle->old_cycle->lock_file;
|
|
|
854
|
|
|
855 if (lock_file.len) {
|
|
|
856 lock_file.len--;
|
|
|
857
|
|
|
858 if (ccf->lock_file.len != lock_file.len
|
|
|
859 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len)
|
|
|
860 != 0)
|
|
|
861 {
|
|
|
862 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
863 "\"lock_file\" could not be changed, ignored");
|
|
|
864 }
|
|
|
865
|
|
|
866 cycle->lock_file.len = lock_file.len + 1;
|
|
|
867 lock_file.len += sizeof(".accept");
|
|
|
868
|
|
|
869 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file);
|
|
|
870 if (cycle->lock_file.data == NULL) {
|
|
|
871 return NGX_CONF_ERROR;
|
|
|
872 }
|
|
|
873
|
|
|
874 } else {
|
|
|
875 cycle->lock_file.len = ccf->lock_file.len + 1;
|
|
|
876 cycle->lock_file.data = ngx_palloc(cycle->pool,
|
|
|
877 ccf->lock_file.len + sizeof(".accept"));
|
|
|
878 if (cycle->lock_file.data == NULL) {
|
|
|
879 return NGX_CONF_ERROR;
|
|
|
880 }
|
|
|
881
|
|
|
882 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data,
|
|
|
883 ccf->lock_file.len),
|
|
|
884 ".accept", sizeof(".accept"));
|
|
|
885 }
|
|
|
886
|
|
0
|
887 #endif
|
|
|
888
|
|
|
889 return NGX_CONF_OK;
|
|
|
890 }
|
|
|
891
|
|
|
892
|
|
48
|
893 static char *
|
|
|
894 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
895 {
|
|
10
|
896 #if (NGX_WIN32)
|
|
0
|
897
|
|
|
898 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
899 "\"user\" is not supported, ignored");
|
|
|
900
|
|
|
901 return NGX_CONF_OK;
|
|
|
902
|
|
|
903 #else
|
|
|
904
|
|
|
905 ngx_core_conf_t *ccf = conf;
|
|
|
906
|
|
4
|
907 char *group;
|
|
0
|
908 struct passwd *pwd;
|
|
|
909 struct group *grp;
|
|
|
910 ngx_str_t *value;
|
|
|
911
|
|
66
|
912 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
913 return "is duplicate";
|
|
|
914 }
|
|
|
915
|
|
4
|
916 if (geteuid() != 0) {
|
|
|
917 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
918 "the \"user\" directive makes sense only "
|
|
|
919 "if the master process runs "
|
|
|
920 "with super-user privileges, ignored");
|
|
|
921 return NGX_CONF_OK;
|
|
|
922 }
|
|
|
923
|
|
0
|
924 value = (ngx_str_t *) cf->args->elts;
|
|
|
925
|
|
22
|
926 ccf->username = (char *) value[1].data;
|
|
|
927
|
|
318
|
928 ngx_set_errno(0);
|
|
0
|
929 pwd = getpwnam((const char *) value[1].data);
|
|
|
930 if (pwd == NULL) {
|
|
|
931 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
932 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
933 return NGX_CONF_ERROR;
|
|
|
934 }
|
|
|
935
|
|
|
936 ccf->user = pwd->pw_uid;
|
|
|
937
|
|
4
|
938 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
939
|
|
318
|
940 ngx_set_errno(0);
|
|
4
|
941 grp = getgrnam(group);
|
|
0
|
942 if (grp == NULL) {
|
|
|
943 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
944 "getgrnam(\"%s\") failed", group);
|
|
0
|
945 return NGX_CONF_ERROR;
|
|
|
946 }
|
|
|
947
|
|
|
948 ccf->group = grp->gr_gid;
|
|
|
949
|
|
|
950 return NGX_CONF_OK;
|
|
|
951
|
|
|
952 #endif
|
|
|
953 }
|
|
22
|
954
|
|
|
955
|
|
48
|
956 static char *
|
|
278
|
957 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
958 {
|
|
|
959 ngx_core_conf_t *ccf = conf;
|
|
|
960
|
|
|
961 ngx_str_t *value, *var;
|
|
|
962 ngx_uint_t i;
|
|
|
963
|
|
|
964 var = ngx_array_push(&ccf->env);
|
|
|
965 if (var == NULL) {
|
|
|
966 return NGX_CONF_ERROR;
|
|
|
967 }
|
|
|
968
|
|
|
969 value = cf->args->elts;
|
|
|
970 *var = value[1];
|
|
|
971
|
|
|
972 for (i = 0; i < value[1].len; i++) {
|
|
|
973
|
|
|
974 if (value[1].data[i] == '=') {
|
|
|
975
|
|
|
976 var->len = i;
|
|
|
977
|
|
|
978 return NGX_CONF_OK;
|
|
|
979 }
|
|
|
980 }
|
|
|
981
|
|
|
982 return NGX_CONF_OK;
|
|
|
983 }
|
|
|
984
|
|
|
985
|
|
|
986 static char *
|
|
48
|
987 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
988 {
|
|
|
989 ngx_core_conf_t *ccf = conf;
|
|
|
990
|
|
|
991 ngx_str_t *value;
|
|
|
992 ngx_uint_t n, minus;
|
|
|
993
|
|
|
994 if (ccf->priority != 0) {
|
|
|
995 return "is duplicate";
|
|
|
996 }
|
|
|
997
|
|
|
998 value = cf->args->elts;
|
|
|
999
|
|
|
1000 if (value[1].data[0] == '-') {
|
|
|
1001 n = 1;
|
|
|
1002 minus = 1;
|
|
|
1003
|
|
|
1004 } else if (value[1].data[0] == '+') {
|
|
|
1005 n = 1;
|
|
|
1006 minus = 0;
|
|
|
1007
|
|
|
1008 } else {
|
|
|
1009 n = 0;
|
|
|
1010 minus = 0;
|
|
|
1011 }
|
|
|
1012
|
|
|
1013 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
1014 if (ccf->priority == NGX_ERROR) {
|
|
|
1015 return "invalid number";
|
|
|
1016 }
|
|
|
1017
|
|
|
1018 if (minus) {
|
|
|
1019 ccf->priority = -ccf->priority;
|
|
|
1020 }
|
|
|
1021
|
|
|
1022 return NGX_CONF_OK;
|
|
|
1023 }
|
|
126
|
1024
|
|
|
1025
|
|
|
1026 static char *
|
|
|
1027 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1028 {
|
|
|
1029 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
1030 ngx_core_conf_t *ccf = conf;
|
|
|
1031
|
|
|
1032 u_char ch;
|
|
|
1033 u_long *mask;
|
|
|
1034 ngx_str_t *value;
|
|
|
1035 ngx_uint_t i, n;
|
|
|
1036
|
|
|
1037 if (ccf->cpu_affinity) {
|
|
|
1038 return "is duplicate";
|
|
|
1039 }
|
|
|
1040
|
|
|
1041 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
1042 if (mask == NULL) {
|
|
|
1043 return NGX_CONF_ERROR;
|
|
|
1044 }
|
|
|
1045
|
|
|
1046 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
1047 ccf->cpu_affinity = mask;
|
|
|
1048
|
|
|
1049 value = cf->args->elts;
|
|
|
1050
|
|
|
1051 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
1052
|
|
|
1053 if (value[n].len > 32) {
|
|
|
1054 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1055 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
1056 return NGX_CONF_ERROR;
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 mask[n - 1] = 0;
|
|
|
1060
|
|
|
1061 for (i = 0; i < value[n].len; i++) {
|
|
|
1062
|
|
|
1063 ch = value[n].data[i];
|
|
|
1064
|
|
|
1065 if (ch == ' ') {
|
|
|
1066 continue;
|
|
|
1067 }
|
|
|
1068
|
|
|
1069 mask[n - 1] <<= 1;
|
|
|
1070
|
|
|
1071 if (ch == '0') {
|
|
|
1072 continue;
|
|
|
1073 }
|
|
|
1074
|
|
|
1075 if (ch == '1') {
|
|
|
1076 mask[n - 1] |= 1;
|
|
|
1077 continue;
|
|
|
1078 }
|
|
|
1079
|
|
|
1080 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1081 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
1082 ch);
|
|
|
1083 return NGX_CONF_ERROR ;
|
|
|
1084 }
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 #else
|
|
|
1088
|
|
|
1089 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1090 "\"worker_cpu_affinity\" is not supported "
|
|
|
1091 "on this platform, ignored");
|
|
|
1092 #endif
|
|
|
1093
|
|
|
1094 return NGX_CONF_OK;
|
|
|
1095 }
|
|
|
1096
|
|
|
1097
|
|
|
1098 u_long
|
|
|
1099 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
1100 {
|
|
|
1101 ngx_core_conf_t *ccf;
|
|
|
1102
|
|
|
1103 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
1104 ngx_core_module);
|
|
|
1105
|
|
|
1106 if (ccf->cpu_affinity == NULL) {
|
|
|
1107 return 0;
|
|
|
1108 }
|
|
|
1109
|
|
|
1110 if (ccf->cpu_affinity_n > n) {
|
|
|
1111 return ccf->cpu_affinity[n];
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
1115 }
|
