src/server/daemon/configmanager.c

Wed, 26 Jun 2013 17:14:45 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Wed, 26 Jun 2013 17:14:45 +0200
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parent 77
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child 85
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permissions
-rw-r--r--

fixed chunked transfer encoding

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2013 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31
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32 #include "../public/nsapi.h"
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33
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34 #include "../ucx/string.h"
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35
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36 #include "httplistener.h"
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37 #include "log.h"
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38 #include "configmanager.h"
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39
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40 static ServerConfiguration *current_config = NULL;
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41 static time_t sc_last_modified = 0;
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42
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43 static UcxMap *config_files;
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44
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45 static conf_global_vars_s global_vars;
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47 void init_configuration_manager() {
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48 /* init parser */
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49 init_server_config_parser();
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50
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51 config_files = ucx_map_new(16);
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52 }
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53
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54 NSAPI_PUBLIC conf_global_vars_s* conf_getglobals() {
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55 return &global_vars;
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56 }
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57
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58 void cfgmgr_attach_file(ConfigFile *cf) {
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59 ucx_map_sstr_put(config_files, cf->file, cf);
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60 }
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62 ConfigFile* cfgmgr_get_file(sstr_t name) {
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63 return ucx_map_sstr_get(config_files, name);
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64 }
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65
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66 int cfgmgr_reload_file(ConfigFile *f, ServerConfiguration *conf, int *reload) {
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67 struct stat s;
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68 if(stat(f->file.ptr, &s) != 0) {
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69 fprintf(
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70 stderr,
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71 "Error: Cannot get stat of file %s\n", f->file.ptr);
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72 perror("cfgmgr_load_config: stat");
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73 return -1;
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74 }
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75
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76 //printf("1 time: %d - %d\n", f->last_modified, s.st_mtim.tv_sec);
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77 if(f->last_modified != s.st_mtime) {
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78 /* reload the file */
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79 printf("reload: %s\n", f->file.ptr);
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80 log_ereport(
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81 LOG_INFORM,
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82 "reload configuration file: %s",
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83 f->file.ptr);
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84 f->reload(f, conf);
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85 f->last_modified = s.st_mtime;
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86 if(reload) {
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87 *reload = 1;
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88 }
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89 }
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90 return 0;
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91 }
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92
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93 int cfgmgr_load_config() {
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94 int cfgreload = 0;
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95
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96 /* check config files */
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97 UcxMapIterator iter = ucx_map_iterator(config_files);
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98 ConfigFile *f;
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99 UCX_MAP_FOREACH(f, iter) {
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100 if(cfgmgr_reload_file(f, current_config, &cfgreload) == -1) {
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101 return -1;
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102 }
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103 }
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104
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105 struct stat s;
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106 if(stat("config/server.conf", &s) != 0) {
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107 perror("stat(\"config/server.conf\")");
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108 return -1;
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109 }
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110
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111 ServerConfiguration *config;
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112 if(cfgreload || !current_config || sc_last_modified != s.st_mtime) {
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113 printf("cfgmgr load server.conf\n");
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114 config = load_server_conf(
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115 current_config,
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116 "config/server.conf");
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117
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118 if(config == NULL) {
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119 fprintf(stderr, "Cannot load server.conf\n");
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120 return -1;
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121 }
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122
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123 sc_last_modified = s.st_mtime;
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124 } else {
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125 printf("no reconfig required!\n");
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126 config = current_config;
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127 }
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128
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129 ServerConfiguration *old_conf = NULL;
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130 if(current_config != config) {
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131 old_conf = current_config;
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132 }
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133 current_config = config;
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134 if(old_conf) {
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135 cfg_unref(old_conf);
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136 }
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137 return 0;
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138 }
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140 ServerConfiguration *cfgmgr_get_server_config() {
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141 //cfg_ref(current_config);
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142 return current_config;
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143 }
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