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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 <nginx.h>
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10
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11
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12 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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2
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13 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
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14 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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15 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
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16 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
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17 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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278
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18 static char *ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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22
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19 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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126
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20 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
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21 void *conf);
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0
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22
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23
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10
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24 static ngx_conf_enum_t ngx_debug_points[] = {
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25 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
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26 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
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27 { ngx_null_string, 0 }
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126
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28 };
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10
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29
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30
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0
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31 static ngx_command_t ngx_core_commands[] = {
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32
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33 { ngx_string("daemon"),
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112
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34 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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35 ngx_conf_set_flag_slot,
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36 0,
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37 offsetof(ngx_core_conf_t, daemon),
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38 NULL },
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39
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40 { ngx_string("master_process"),
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112
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41 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
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0
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42 ngx_conf_set_flag_slot,
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43 0,
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44 offsetof(ngx_core_conf_t, master),
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45 NULL },
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46
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112
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47 { ngx_string("timer_resolution"),
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48 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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49 ngx_conf_set_msec_slot,
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50 0,
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51 offsetof(ngx_core_conf_t, timer_resolution),
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52 NULL },
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53
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92
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54 { ngx_string("pid"),
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55 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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56 ngx_conf_set_str_slot,
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57 0,
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58 offsetof(ngx_core_conf_t, pid),
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59 NULL },
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60
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160
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61 { ngx_string("lock_file"),
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62 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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63 ngx_conf_set_str_slot,
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64 0,
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65 offsetof(ngx_core_conf_t, lock_file),
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66 NULL },
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67
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0
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68 { ngx_string("worker_processes"),
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69 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_num_slot,
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71 0,
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72 offsetof(ngx_core_conf_t, worker_processes),
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73 NULL },
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74
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10
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75 { ngx_string("debug_points"),
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76 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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77 ngx_conf_set_enum_slot,
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78 0,
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79 offsetof(ngx_core_conf_t, debug_points),
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80 &ngx_debug_points },
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81
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92
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82 { ngx_string("user"),
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83 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
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84 ngx_set_user,
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85 0,
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86 0,
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87 NULL },
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88
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89 { ngx_string("worker_priority"),
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90 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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91 ngx_set_priority,
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92 0,
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93 0,
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94 NULL },
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95
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126
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96 { ngx_string("worker_cpu_affinity"),
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97 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
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98 ngx_set_cpu_affinity,
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99 0,
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100 0,
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101 NULL },
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102
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92
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103 { ngx_string("worker_rlimit_nofile"),
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104 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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105 ngx_conf_set_num_slot,
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106 0,
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107 offsetof(ngx_core_conf_t, rlimit_nofile),
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108 NULL },
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109
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138
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110 { ngx_string("worker_rlimit_core"),
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111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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270
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112 ngx_conf_set_size_slot,
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138
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113 0,
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114 offsetof(ngx_core_conf_t, rlimit_core),
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115 NULL },
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116
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92
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117 { ngx_string("worker_rlimit_sigpending"),
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118 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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119 ngx_conf_set_num_slot,
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120 0,
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121 offsetof(ngx_core_conf_t, rlimit_sigpending),
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122 NULL },
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123
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124 { ngx_string("working_directory"),
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125 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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126 ngx_conf_set_str_slot,
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127 0,
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128 offsetof(ngx_core_conf_t, working_directory),
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129 NULL },
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130
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278
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131 { ngx_string("env"),
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132 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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133 ngx_set_env,
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134 0,
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135 0,
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136 NULL },
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137
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0
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138 #if (NGX_THREADS)
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139
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140 { ngx_string("worker_threads"),
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141 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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142 ngx_conf_set_num_slot,
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143 0,
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144 offsetof(ngx_core_conf_t, worker_threads),
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145 NULL },
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146
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147 { ngx_string("thread_stack_size"),
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148 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
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149 ngx_conf_set_size_slot,
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150 0,
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151 offsetof(ngx_core_conf_t, thread_stack_size),
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152 NULL },
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153
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154 #endif
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155
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156 ngx_null_command
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157 };
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158
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159
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160 static ngx_core_module_t ngx_core_module_ctx = {
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161 ngx_string("core"),
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162 ngx_core_module_create_conf,
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163 ngx_core_module_init_conf
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164 };
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165
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166
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167 ngx_module_t ngx_core_module = {
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58
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168 NGX_MODULE_V1,
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0
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169 &ngx_core_module_ctx, /* module context */
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170 ngx_core_commands, /* module directives */
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171 NGX_CORE_MODULE, /* module type */
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90
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172 NULL, /* init master */
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0
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173 NULL, /* init module */
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90
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174 NULL, /* init process */
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175 NULL, /* init thread */
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176 NULL, /* exit thread */
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177 NULL, /* exit process */
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178 NULL, /* exit master */
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179 NGX_MODULE_V1_PADDING
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0
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180 };
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181
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182
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183 ngx_uint_t ngx_max_module;
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184
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188
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185 static ngx_uint_t ngx_show_version;
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270
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186 static ngx_uint_t ngx_show_configure;
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188
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187
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278
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188 static char **ngx_os_environ;
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150
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189
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0
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190
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52
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191 int ngx_cdecl
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48
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192 main(int argc, char *const *argv)
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0
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193 {
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2
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194 ngx_int_t i;
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195 ngx_log_t *log;
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196 ngx_cycle_t *cycle, init_cycle;
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197 ngx_core_conf_t *ccf;
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0
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198
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4
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199 #if (NGX_FREEBSD)
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0
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200 ngx_debug_init();
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201 #endif
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202
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203 /* TODO */ ngx_max_sockets = -1;
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204
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205 ngx_time_init();
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206
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4
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207 #if (NGX_PCRE)
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0
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208 ngx_regex_init();
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209 #endif
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210
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211 ngx_pid = ngx_getpid();
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212
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50
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213 log = ngx_log_init();
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214 if (log == NULL) {
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0
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215 return 1;
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216 }
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217
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90
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218 /* STUB */
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0
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219 #if (NGX_OPENSSL)
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220 ngx_ssl_init(log);
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221 #endif
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222
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223 /* init_cycle->log is required for signal handlers and ngx_getopt() */
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224
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225 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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226 init_cycle.log = log;
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227 ngx_cycle = &init_cycle;
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228
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50
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229 init_cycle.pool = ngx_create_pool(1024, log);
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230 if (init_cycle.pool == NULL) {
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0
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231 return 1;
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232 }
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233
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160
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234 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
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2
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235 return 1;
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236 }
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237
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160
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238 if (ngx_getopt(&init_cycle, argc, ngx_argv) != NGX_OK) {
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0
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239 return 1;
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240 }
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241
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188
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242 if (ngx_show_version) {
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243 ngx_write_fd(ngx_stderr_fileno, "nginx version: " NGINX_VER CRLF,
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244 sizeof("nginx version: " NGINX_VER CRLF) - 1);
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245
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270
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246 if (ngx_show_configure) {
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188
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247 #ifdef NGX_COMPILER
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270
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248 ngx_write_fd(ngx_stderr_fileno, "built by " NGX_COMPILER CRLF,
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249 sizeof("built by " NGX_COMPILER CRLF) - 1);
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188
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250 #endif
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270
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251
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252 #ifndef __WATCOMC__
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253
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254 /* OpenWatcomC could not build the long NGX_CONFIGURE string */
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255
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256 ngx_write_fd(ngx_stderr_fileno,
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257 "configure arguments: " NGX_CONFIGURE CRLF,
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258 sizeof("configure arguments :" NGX_CONFIGURE CRLF) - 1);
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259 #endif
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260 }
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261
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190
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262 if (!ngx_test_config) {
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263 return 0;
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264 }
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188
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265 }
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266
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0
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267 if (ngx_test_config) {
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268 log->log_level = NGX_LOG_INFO;
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269 }
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270
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160
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271 if (ngx_os_init(log) != NGX_OK) {
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0
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272 return 1;
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273 }
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274
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356
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275 /*
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276 * ngx_crc32_table_init() requires ngx_cacheline_size set in ngx_os_init()
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277 */
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270
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278
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356
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279 if (ngx_crc32_table_init() != NGX_OK) {
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270
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280 return 1;
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281 }
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282
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160
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283 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
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0
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284 return 1;
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285 }
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286
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287 ngx_max_module = 0;
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288 for (i = 0; ngx_modules[i]; i++) {
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289 ngx_modules[i]->index = ngx_max_module++;
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290 }
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291
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292 cycle = ngx_init_cycle(&init_cycle);
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293 if (cycle == NULL) {
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294 if (ngx_test_config) {
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295 ngx_log_error(NGX_LOG_EMERG, log, 0,
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106
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296 "the configuration file %s test failed",
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0
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297 init_cycle.conf_file.data);
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298 }
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299
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300 return 1;
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301 }
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302
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303 if (ngx_test_config) {
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304 ngx_log_error(NGX_LOG_INFO, log, 0,
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106
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305 "the configuration file %s was tested successfully",
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4
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306 cycle->conf_file.data);
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0
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307 return 0;
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308 }
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309
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310 ngx_os_status(cycle->log);
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311
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312 ngx_cycle = cycle;
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313
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314 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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315
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316 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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317
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10
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318 #if (NGX_WIN32)
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0
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319
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320 #if 0
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321
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322 TODO:
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323
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324 if (ccf->run_as_service) {
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160
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325 if (ngx_service(cycle->log) != NGX_OK) {
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0
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326 return 1;
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327 }
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328
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329 return 0;
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330 }
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331 #endif
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332
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333 #else
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334
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160
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335 if (ngx_init_signals(cycle->log) != NGX_OK) {
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88
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336 return 1;
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337 }
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338
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0
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339 if (!ngx_inherited && ccf->daemon) {
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160
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340 if (ngx_daemon(cycle->log) != NGX_OK) {
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0
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341 return 1;
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342 }
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343
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344 ngx_daemonized = 1;
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345 }
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346
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160
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347 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
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0
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348 return 1;
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349 }
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350
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351 #endif
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352
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353 if (ngx_process == NGX_PROCESS_MASTER) {
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2
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354 ngx_master_process_cycle(cycle);
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0
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355
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356 } else {
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2
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357 ngx_single_process_cycle(cycle);
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0
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358 }
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359
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360 return 0;
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361 }
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362
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363
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48
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364 static ngx_int_t
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365 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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0
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366 {
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50
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367 u_char *p, *v, *inherited;
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368 ngx_int_t s;
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369 ngx_listening_t *ls;
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0
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370
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371 inherited = (u_char *) getenv(NGINX_VAR);
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372
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373 if (inherited == NULL) {
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374 return NGX_OK;
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375 }
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376
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10
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377 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
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0
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378 "using inherited sockets from \"%s\"", inherited);
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379
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10
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380 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
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242
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381 sizeof(ngx_listening_t))
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382 == NGX_ERROR)
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10
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383 {
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384 return NGX_ERROR;
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385 }
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0
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386
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387 for (p = inherited, v = p; *p; p++) {
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388 if (*p == ':' || *p == ';') {
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389 s = ngx_atoi(v, p - v);
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390 if (s == NGX_ERROR) {
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391 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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86
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392 "invalid socket number \"%s\" in " NGINX_VAR
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393 " environment variable, ignoring the rest"
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394 " of the variable", v);
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0
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395 break;
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396 }
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397
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398 v = p + 1;
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399
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50
|
400 ls = ngx_array_push(&cycle->listening);
|
|
|
401 if (ls == NULL) {
|
|
0
|
402 return NGX_ERROR;
|
|
|
403 }
|
|
|
404
|
|
72
|
405 ngx_memzero(ls, sizeof(ngx_listening_t));
|
|
|
406
|
|
50
|
407 ls->fd = (ngx_socket_t) s;
|
|
0
|
408 }
|
|
|
409 }
|
|
|
410
|
|
|
411 ngx_inherited = 1;
|
|
|
412
|
|
|
413 return ngx_set_inherited_sockets(cycle);
|
|
|
414 }
|
|
|
415
|
|
|
416
|
|
278
|
417 char **
|
|
|
418 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last)
|
|
|
419 {
|
|
|
420 char **p, **env;
|
|
|
421 ngx_str_t *var;
|
|
|
422 ngx_uint_t i, n;
|
|
|
423 ngx_core_conf_t *ccf;
|
|
|
424
|
|
|
425 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
426
|
|
280
|
427 if (last == NULL && ccf->environment) {
|
|
|
428 return ccf->environment;
|
|
278
|
429 }
|
|
|
430
|
|
|
431 var = ccf->env.elts;
|
|
|
432
|
|
|
433 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
434 if (ngx_strcmp(var[i].data, "TZ") == 0
|
|
|
435 || ngx_strncmp(var[i].data, "TZ=", 3) == 0)
|
|
|
436 {
|
|
|
437 goto tz_found;
|
|
|
438 }
|
|
|
439 }
|
|
|
440
|
|
|
441 var = ngx_array_push(&ccf->env);
|
|
322
|
442 if (var == NULL) {
|
|
|
443 return NULL;
|
|
|
444 }
|
|
278
|
445
|
|
|
446 var->len = 2;
|
|
|
447 var->data = (u_char *) "TZ";
|
|
|
448
|
|
|
449 var = ccf->env.elts;
|
|
|
450
|
|
|
451 tz_found:
|
|
|
452
|
|
280
|
453 n = 0;
|
|
|
454
|
|
278
|
455 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
456
|
|
|
457 if (var[i].data[var[i].len] == '=') {
|
|
|
458 n++;
|
|
|
459 continue;
|
|
|
460 }
|
|
|
461
|
|
|
462 for (p = ngx_os_environ; *p; p++) {
|
|
|
463
|
|
|
464 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
465 && (*p)[var[i].len] == '=')
|
|
|
466 {
|
|
|
467 n++;
|
|
|
468 break;
|
|
|
469 }
|
|
|
470 }
|
|
|
471 }
|
|
|
472
|
|
|
473 if (last) {
|
|
280
|
474 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log);
|
|
278
|
475 *last = n;
|
|
|
476
|
|
|
477 } else {
|
|
|
478 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *));
|
|
|
479 }
|
|
|
480
|
|
|
481 if (env == NULL) {
|
|
|
482 return NULL;
|
|
|
483 }
|
|
|
484
|
|
|
485 n = 0;
|
|
|
486
|
|
|
487 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
488
|
|
|
489 if (var[i].data[var[i].len] == '=') {
|
|
|
490 env[n++] = (char *) var[i].data;
|
|
|
491 continue;
|
|
|
492 }
|
|
|
493
|
|
|
494 for (p = ngx_os_environ; *p; p++) {
|
|
|
495
|
|
|
496 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
497 && (*p)[var[i].len] == '=')
|
|
|
498 {
|
|
|
499 env[n++] = *p;
|
|
|
500 break;
|
|
|
501 }
|
|
|
502 }
|
|
|
503 }
|
|
|
504
|
|
|
505 env[n] = NULL;
|
|
|
506
|
|
|
507 if (last == NULL) {
|
|
|
508 ccf->environment = env;
|
|
|
509 environ = env;
|
|
|
510 }
|
|
|
511
|
|
|
512 return env;
|
|
|
513 }
|
|
|
514
|
|
|
515
|
|
92
|
516 ngx_pid_t
|
|
|
517 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
518 {
|
|
278
|
519 char **env, *var;
|
|
|
520 u_char *p;
|
|
|
521 ngx_uint_t i, n;
|
|
|
522 ngx_pid_t pid;
|
|
|
523 ngx_exec_ctx_t ctx;
|
|
|
524 ngx_core_conf_t *ccf;
|
|
|
525 ngx_listening_t *ls;
|
|
0
|
526
|
|
|
527 ctx.path = argv[0];
|
|
|
528 ctx.name = "new binary process";
|
|
|
529 ctx.argv = argv;
|
|
|
530
|
|
278
|
531 n = 2;
|
|
|
532 env = ngx_set_environment(cycle, &n);
|
|
|
533 if (env == NULL) {
|
|
|
534 return NGX_INVALID_PID;
|
|
|
535 }
|
|
|
536
|
|
0
|
537 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
538 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
539 cycle->log);
|
|
|
540
|
|
10
|
541 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
542
|
|
|
543 ls = cycle->listening.elts;
|
|
|
544 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
545 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
546 }
|
|
|
547
|
|
10
|
548 *p = '\0';
|
|
|
549
|
|
278
|
550 env[n++] = var;
|
|
2
|
551
|
|
|
552 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
553
|
|
10
|
554 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
555
|
|
278
|
556 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
557 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
558 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
559 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
560 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
2
|
561
|
|
|
562 #endif
|
|
|
563
|
|
278
|
564 env[n] = NULL;
|
|
|
565
|
|
|
566 #if (NGX_DEBUG)
|
|
|
567 {
|
|
|
568 char **e;
|
|
|
569 for (e = env; *e; e++) {
|
|
|
570 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e);
|
|
|
571 }
|
|
|
572 }
|
|
|
573 #endif
|
|
|
574
|
|
|
575 ctx.envp = (char *const *) env;
|
|
0
|
576
|
|
92
|
577 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
578
|
|
278
|
579 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) {
|
|
92
|
580 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
581 ngx_rename_file_n " %s to %s failed "
|
|
|
582 "before executing new binary process \"%s\"",
|
|
|
583 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
584
|
|
278
|
585 ngx_free(env);
|
|
92
|
586 ngx_free(var);
|
|
|
587
|
|
|
588 return NGX_INVALID_PID;
|
|
|
589 }
|
|
|
590
|
|
0
|
591 pid = ngx_execute(cycle, &ctx);
|
|
|
592
|
|
92
|
593 if (pid == NGX_INVALID_PID) {
|
|
278
|
594 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) {
|
|
92
|
595 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
278
|
596 ngx_rename_file_n " %s back to %s failed after "
|
|
|
597 "the try to execute the new binary process \"%s\"",
|
|
92
|
598 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
599 }
|
|
|
600 }
|
|
|
601
|
|
278
|
602 ngx_free(env);
|
|
0
|
603 ngx_free(var);
|
|
|
604
|
|
|
605 return pid;
|
|
|
606 }
|
|
|
607
|
|
|
608
|
|
92
|
609 static ngx_int_t
|
|
|
610 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
611 {
|
|
|
612 ngx_int_t i;
|
|
|
613
|
|
2
|
614 for (i = 1; i < argc; i++) {
|
|
|
615 if (argv[i][0] != '-') {
|
|
0
|
616 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
617 "invalid option: \"%s\"", argv[i]);
|
|
0
|
618 return NGX_ERROR;
|
|
|
619 }
|
|
|
620
|
|
2
|
621 switch (argv[i][1]) {
|
|
0
|
622
|
|
188
|
623 case 'v':
|
|
|
624 ngx_show_version = 1;
|
|
|
625 break;
|
|
|
626
|
|
270
|
627 case 'V':
|
|
|
628 ngx_show_version = 1;
|
|
|
629 ngx_show_configure = 1;
|
|
|
630 break;
|
|
|
631
|
|
0
|
632 case 't':
|
|
|
633 ngx_test_config = 1;
|
|
|
634 break;
|
|
|
635
|
|
|
636 case 'c':
|
|
2
|
637 if (argv[i + 1] == NULL) {
|
|
0
|
638 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
384
|
639 "the option \"-c\" requires file name");
|
|
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
|
|
384
|
647 case 'g':
|
|
|
648 if (argv[i + 1] == NULL) {
|
|
|
649 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
650 "the option \"-g\" requires parameter");
|
|
|
651 return NGX_ERROR;
|
|
|
652 }
|
|
|
653
|
|
|
654 cycle->conf_param.data = (u_char *) argv[++i];
|
|
|
655 cycle->conf_param.len = ngx_strlen(cycle->conf_param.data);
|
|
|
656 break;
|
|
|
657
|
|
0
|
658 default:
|
|
|
659 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
660 "invalid option: \"%s\"", argv[i]);
|
|
0
|
661 return NGX_ERROR;
|
|
|
662 }
|
|
|
663 }
|
|
|
664
|
|
|
665 if (cycle->conf_file.data == NULL) {
|
|
|
666 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
667 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
668 }
|
|
|
669
|
|
|
670 return NGX_OK;
|
|
|
671 }
|
|
|
672
|
|
|
673
|
|
48
|
674 static ngx_int_t
|
|
|
675 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
676 {
|
|
50
|
677 #if (NGX_FREEBSD)
|
|
|
678
|
|
|
679 ngx_os_argv = (char **) argv;
|
|
|
680 ngx_argc = argc;
|
|
|
681 ngx_argv = (char **) argv;
|
|
|
682
|
|
|
683 #else
|
|
2
|
684 size_t len;
|
|
|
685 ngx_int_t i;
|
|
|
686
|
|
|
687 ngx_os_argv = (char **) argv;
|
|
|
688 ngx_argc = argc;
|
|
|
689
|
|
50
|
690 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
691 if (ngx_argv == NULL) {
|
|
2
|
692 return NGX_ERROR;
|
|
|
693 }
|
|
|
694
|
|
|
695 for (i = 0; i < argc; i++) {
|
|
|
696 len = ngx_strlen(argv[i]) + 1;
|
|
|
697
|
|
50
|
698 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
699 if (ngx_argv[i] == NULL) {
|
|
2
|
700 return NGX_ERROR;
|
|
|
701 }
|
|
|
702
|
|
66
|
703 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
704 }
|
|
|
705
|
|
|
706 ngx_argv[i] = NULL;
|
|
|
707
|
|
|
708 #endif
|
|
|
709
|
|
278
|
710 ngx_os_environ = environ;
|
|
|
711
|
|
2
|
712 return NGX_OK;
|
|
|
713 }
|
|
|
714
|
|
|
715
|
|
48
|
716 static void *
|
|
|
717 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
718 {
|
|
|
719 ngx_core_conf_t *ccf;
|
|
|
720
|
|
50
|
721 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
722 if (ccf == NULL) {
|
|
0
|
723 return NULL;
|
|
|
724 }
|
|
28
|
725
|
|
|
726 /*
|
|
|
727 * set by pcalloc()
|
|
0
|
728 *
|
|
28
|
729 * ccf->pid = NULL;
|
|
92
|
730 * ccf->oldpid = NULL;
|
|
28
|
731 * ccf->priority = 0;
|
|
126
|
732 * ccf->cpu_affinity_n = 0;
|
|
|
733 * ccf->cpu_affinity = NULL;
|
|
0
|
734 */
|
|
28
|
735
|
|
0
|
736 ccf->daemon = NGX_CONF_UNSET;
|
|
|
737 ccf->master = NGX_CONF_UNSET;
|
|
112
|
738 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
739
|
|
0
|
740 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
741 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
742
|
|
|
743 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
270
|
744 ccf->rlimit_core = NGX_CONF_UNSET_SIZE;
|
|
92
|
745 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
746
|
|
66
|
747 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
748 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
749
|
|
0
|
750 #if (NGX_THREADS)
|
|
|
751 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
752 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
753 #endif
|
|
|
754
|
|
278
|
755 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t))
|
|
|
756 != NGX_OK)
|
|
|
757 {
|
|
|
758 return NULL;
|
|
|
759 }
|
|
|
760
|
|
0
|
761 return ccf;
|
|
|
762 }
|
|
|
763
|
|
|
764
|
|
48
|
765 static char *
|
|
|
766 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
767 {
|
|
|
768 ngx_core_conf_t *ccf = conf;
|
|
|
769
|
|
|
770 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
771 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
772 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
773
|
|
0
|
774 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
775 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
776
|
|
126
|
777 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
778
|
|
|
779 if (ccf->cpu_affinity_n
|
|
|
780 && ccf->cpu_affinity_n != 1
|
|
|
781 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
782 {
|
|
|
783 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
784 "number of the \"worker_processes\" is not equal to "
|
|
|
785 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
786 "using last mask for remaining worker processes");
|
|
|
787 }
|
|
|
788
|
|
|
789 #endif
|
|
|
790
|
|
0
|
791 #if (NGX_THREADS)
|
|
126
|
792
|
|
0
|
793 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
794 ngx_threads_n = ccf->worker_threads;
|
|
|
795 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
796
|
|
0
|
797 #endif
|
|
|
798
|
|
10
|
799 #if !(NGX_WIN32)
|
|
0
|
800
|
|
66
|
801 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
356
|
802 struct group *grp;
|
|
|
803 struct passwd *pwd;
|
|
0
|
804
|
|
318
|
805 ngx_set_errno(0);
|
|
4
|
806 pwd = getpwnam(NGX_USER);
|
|
0
|
807 if (pwd == NULL) {
|
|
|
808 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
809 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
810 return NGX_CONF_ERROR;
|
|
|
811 }
|
|
|
812
|
|
22
|
813 ccf->username = NGX_USER;
|
|
0
|
814 ccf->user = pwd->pw_uid;
|
|
|
815
|
|
318
|
816 ngx_set_errno(0);
|
|
4
|
817 grp = getgrnam(NGX_GROUP);
|
|
0
|
818 if (grp == NULL) {
|
|
|
819 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
820 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
821 return NGX_CONF_ERROR;
|
|
|
822 }
|
|
|
823
|
|
|
824 ccf->group = grp->gr_gid;
|
|
|
825 }
|
|
|
826
|
|
|
827 if (ccf->pid.len == 0) {
|
|
|
828 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
829 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
830 }
|
|
|
831
|
|
324
|
832 if (ngx_conf_full_name(cycle, &ccf->pid, 0) == NGX_ERROR) {
|
|
0
|
833 return NGX_CONF_ERROR;
|
|
|
834 }
|
|
|
835
|
|
92
|
836 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
837
|
|
382
|
838 ccf->oldpid.data = ngx_pnalloc(cycle->pool, ccf->oldpid.len);
|
|
92
|
839 if (ccf->oldpid.data == NULL) {
|
|
0
|
840 return NGX_CONF_ERROR;
|
|
|
841 }
|
|
|
842
|
|
92
|
843 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
844 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
845
|
|
258
|
846
|
|
160
|
847 if (ccf->lock_file.len == 0) {
|
|
|
848 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
|
849 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
|
850 }
|
|
|
851
|
|
324
|
852 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) == NGX_ERROR) {
|
|
160
|
853 return NGX_CONF_ERROR;
|
|
|
854 }
|
|
|
855
|
|
356
|
856 {
|
|
|
857 ngx_str_t lock_file;
|
|
|
858
|
|
258
|
859 lock_file = cycle->old_cycle->lock_file;
|
|
|
860
|
|
|
861 if (lock_file.len) {
|
|
|
862 lock_file.len--;
|
|
|
863
|
|
|
864 if (ccf->lock_file.len != lock_file.len
|
|
|
865 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len)
|
|
|
866 != 0)
|
|
|
867 {
|
|
|
868 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
869 "\"lock_file\" could not be changed, ignored");
|
|
|
870 }
|
|
|
871
|
|
|
872 cycle->lock_file.len = lock_file.len + 1;
|
|
|
873 lock_file.len += sizeof(".accept");
|
|
|
874
|
|
|
875 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file);
|
|
|
876 if (cycle->lock_file.data == NULL) {
|
|
|
877 return NGX_CONF_ERROR;
|
|
|
878 }
|
|
|
879
|
|
|
880 } else {
|
|
|
881 cycle->lock_file.len = ccf->lock_file.len + 1;
|
|
382
|
882 cycle->lock_file.data = ngx_pnalloc(cycle->pool,
|
|
258
|
883 ccf->lock_file.len + sizeof(".accept"));
|
|
|
884 if (cycle->lock_file.data == NULL) {
|
|
|
885 return NGX_CONF_ERROR;
|
|
|
886 }
|
|
|
887
|
|
|
888 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data,
|
|
|
889 ccf->lock_file.len),
|
|
|
890 ".accept", sizeof(".accept"));
|
|
|
891 }
|
|
356
|
892 }
|
|
258
|
893
|
|
0
|
894 #endif
|
|
|
895
|
|
|
896 return NGX_CONF_OK;
|
|
|
897 }
|
|
|
898
|
|
|
899
|
|
48
|
900 static char *
|
|
|
901 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
902 {
|
|
10
|
903 #if (NGX_WIN32)
|
|
0
|
904
|
|
|
905 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
906 "\"user\" is not supported, ignored");
|
|
|
907
|
|
|
908 return NGX_CONF_OK;
|
|
|
909
|
|
|
910 #else
|
|
|
911
|
|
|
912 ngx_core_conf_t *ccf = conf;
|
|
|
913
|
|
4
|
914 char *group;
|
|
0
|
915 struct passwd *pwd;
|
|
|
916 struct group *grp;
|
|
|
917 ngx_str_t *value;
|
|
|
918
|
|
66
|
919 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
920 return "is duplicate";
|
|
|
921 }
|
|
|
922
|
|
4
|
923 if (geteuid() != 0) {
|
|
|
924 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
925 "the \"user\" directive makes sense only "
|
|
|
926 "if the master process runs "
|
|
|
927 "with super-user privileges, ignored");
|
|
|
928 return NGX_CONF_OK;
|
|
|
929 }
|
|
|
930
|
|
0
|
931 value = (ngx_str_t *) cf->args->elts;
|
|
|
932
|
|
22
|
933 ccf->username = (char *) value[1].data;
|
|
|
934
|
|
318
|
935 ngx_set_errno(0);
|
|
0
|
936 pwd = getpwnam((const char *) value[1].data);
|
|
|
937 if (pwd == NULL) {
|
|
|
938 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
939 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
940 return NGX_CONF_ERROR;
|
|
|
941 }
|
|
|
942
|
|
|
943 ccf->user = pwd->pw_uid;
|
|
|
944
|
|
4
|
945 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
946
|
|
318
|
947 ngx_set_errno(0);
|
|
4
|
948 grp = getgrnam(group);
|
|
0
|
949 if (grp == NULL) {
|
|
|
950 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
951 "getgrnam(\"%s\") failed", group);
|
|
0
|
952 return NGX_CONF_ERROR;
|
|
|
953 }
|
|
|
954
|
|
|
955 ccf->group = grp->gr_gid;
|
|
|
956
|
|
|
957 return NGX_CONF_OK;
|
|
|
958
|
|
|
959 #endif
|
|
|
960 }
|
|
22
|
961
|
|
|
962
|
|
48
|
963 static char *
|
|
278
|
964 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
965 {
|
|
|
966 ngx_core_conf_t *ccf = conf;
|
|
|
967
|
|
|
968 ngx_str_t *value, *var;
|
|
|
969 ngx_uint_t i;
|
|
|
970
|
|
|
971 var = ngx_array_push(&ccf->env);
|
|
|
972 if (var == NULL) {
|
|
|
973 return NGX_CONF_ERROR;
|
|
|
974 }
|
|
|
975
|
|
|
976 value = cf->args->elts;
|
|
|
977 *var = value[1];
|
|
|
978
|
|
|
979 for (i = 0; i < value[1].len; i++) {
|
|
|
980
|
|
|
981 if (value[1].data[i] == '=') {
|
|
|
982
|
|
|
983 var->len = i;
|
|
|
984
|
|
|
985 return NGX_CONF_OK;
|
|
|
986 }
|
|
|
987 }
|
|
|
988
|
|
|
989 return NGX_CONF_OK;
|
|
|
990 }
|
|
|
991
|
|
|
992
|
|
|
993 static char *
|
|
48
|
994 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
995 {
|
|
|
996 ngx_core_conf_t *ccf = conf;
|
|
|
997
|
|
|
998 ngx_str_t *value;
|
|
|
999 ngx_uint_t n, minus;
|
|
|
1000
|
|
|
1001 if (ccf->priority != 0) {
|
|
|
1002 return "is duplicate";
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 value = cf->args->elts;
|
|
|
1006
|
|
|
1007 if (value[1].data[0] == '-') {
|
|
|
1008 n = 1;
|
|
|
1009 minus = 1;
|
|
|
1010
|
|
|
1011 } else if (value[1].data[0] == '+') {
|
|
|
1012 n = 1;
|
|
|
1013 minus = 0;
|
|
|
1014
|
|
|
1015 } else {
|
|
|
1016 n = 0;
|
|
|
1017 minus = 0;
|
|
|
1018 }
|
|
|
1019
|
|
|
1020 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
1021 if (ccf->priority == NGX_ERROR) {
|
|
|
1022 return "invalid number";
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 if (minus) {
|
|
|
1026 ccf->priority = -ccf->priority;
|
|
|
1027 }
|
|
|
1028
|
|
|
1029 return NGX_CONF_OK;
|
|
|
1030 }
|
|
126
|
1031
|
|
|
1032
|
|
|
1033 static char *
|
|
|
1034 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1035 {
|
|
|
1036 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
1037 ngx_core_conf_t *ccf = conf;
|
|
|
1038
|
|
|
1039 u_char ch;
|
|
|
1040 u_long *mask;
|
|
|
1041 ngx_str_t *value;
|
|
|
1042 ngx_uint_t i, n;
|
|
|
1043
|
|
|
1044 if (ccf->cpu_affinity) {
|
|
|
1045 return "is duplicate";
|
|
|
1046 }
|
|
|
1047
|
|
|
1048 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
1049 if (mask == NULL) {
|
|
|
1050 return NGX_CONF_ERROR;
|
|
|
1051 }
|
|
|
1052
|
|
|
1053 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
1054 ccf->cpu_affinity = mask;
|
|
|
1055
|
|
|
1056 value = cf->args->elts;
|
|
|
1057
|
|
|
1058 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
1059
|
|
|
1060 if (value[n].len > 32) {
|
|
|
1061 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1062 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
1063 return NGX_CONF_ERROR;
|
|
|
1064 }
|
|
|
1065
|
|
|
1066 mask[n - 1] = 0;
|
|
|
1067
|
|
|
1068 for (i = 0; i < value[n].len; i++) {
|
|
|
1069
|
|
|
1070 ch = value[n].data[i];
|
|
|
1071
|
|
|
1072 if (ch == ' ') {
|
|
|
1073 continue;
|
|
|
1074 }
|
|
|
1075
|
|
|
1076 mask[n - 1] <<= 1;
|
|
|
1077
|
|
|
1078 if (ch == '0') {
|
|
|
1079 continue;
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 if (ch == '1') {
|
|
|
1083 mask[n - 1] |= 1;
|
|
|
1084 continue;
|
|
|
1085 }
|
|
|
1086
|
|
|
1087 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1088 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
1089 ch);
|
|
378
|
1090 return NGX_CONF_ERROR;
|
|
126
|
1091 }
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 #else
|
|
|
1095
|
|
|
1096 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1097 "\"worker_cpu_affinity\" is not supported "
|
|
|
1098 "on this platform, ignored");
|
|
|
1099 #endif
|
|
|
1100
|
|
|
1101 return NGX_CONF_OK;
|
|
|
1102 }
|
|
|
1103
|
|
|
1104
|
|
|
1105 u_long
|
|
|
1106 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
1107 {
|
|
|
1108 ngx_core_conf_t *ccf;
|
|
|
1109
|
|
|
1110 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
1111 ngx_core_module);
|
|
|
1112
|
|
|
1113 if (ccf->cpu_affinity == NULL) {
|
|
|
1114 return 0;
|
|
|
1115 }
|
|
|
1116
|
|
|
1117 if (ccf->cpu_affinity_n > n) {
|
|
|
1118 return ccf->cpu_affinity[n];
|
|
|
1119 }
|
|
|
1120
|
|
|
1121 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
1122 }
|
