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using host header to select virtual server
1 | 1 | /* |
2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
3 | * | |
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4 | * Copyright 2013 Olaf Wintermann. All rights reserved. |
1 | 5 | * |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions are met: | |
8 | * | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
26 | * POSSIBILITY OF SUCH DAMAGE. | |
27 | */ | |
28 | ||
29 | ||
30 | #include <stdio.h> | |
31 | #include <stdlib.h> | |
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32 | #include <unistd.h> |
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33 | #include <signal.h> |
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34 | #include <errno.h> |
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35 | #include <pthread.h> |
1 | 36 | |
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37 | #include "../util/pool.h" |
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38 | #include "../public/nsapi.h" |
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39 | #include "../util/plist.h" |
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40 | #include "../util/date.h" |
1 | 41 | |
42 | #include "webserver.h" | |
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43 | #include "log.h" |
1 | 44 | #include "httprequest.h" |
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45 | #include "httplistener.h" |
1 | 46 | |
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47 | #include "configmanager.h" |
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48 | |
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49 | static int std_pipe_fds[2]; |
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50 | static WSBool is_daemon; |
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51 | |
1 | 52 | void test() { |
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53 | time_t t = time(NULL); |
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54 | pool_handle_t *pool = pool_create(); |
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55 | sstr_t date = date_format_http(t, pool); |
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56 | printf("%s\n", date.ptr); |
1 | 57 | } |
58 | ||
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59 | |
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60 | WSBool main_is_daemon(void) { |
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61 | return is_daemon; |
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62 | } |
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63 | |
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64 | /* |
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65 | * SIGUSR1: reload the configuration files |
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66 | */ |
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67 | void sig_usr1_reload(int sig) { |
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68 | log_ereport(LOG_INFORM, "sig reload"); |
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69 | |
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70 | if(cfgmgr_load_config(NULL) != 0) { |
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71 | log_ereport(LOG_FAILURE, "cannot reload config"); |
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72 | } |
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73 | // start newly created listeners |
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74 | start_all_listener(); |
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75 | |
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76 | signal(SIGUSR1, sig_usr1_reload); |
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77 | } |
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78 | |
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79 | /* |
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80 | * SIGTERM: stop the server |
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81 | */ |
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82 | void sig_term(int sig) { |
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83 | webserver_shutdown(); |
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84 | exit(EXIT_SUCCESS); |
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85 | } |
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86 | |
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87 | void* log_pipe_thread(void *data) { |
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88 | //FILE *log_out = fopen("log.txt", "a"); |
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89 | |
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90 | char buf[1024]; |
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91 | ssize_t r; |
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92 | while((r = read(std_pipe_fds[0], buf, 1024)) > 0) { |
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93 | //fwrite(buf, 1, r, log_out); |
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94 | //fflush(log_out); |
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95 | } |
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96 | |
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97 | //fclose(log_out); |
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98 | |
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99 | return NULL; |
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100 | } |
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101 | |
1 | 102 | int main(int argc, char **argv) { |
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103 | //test(); |
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104 | |
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105 | /* if the -c parameter is specified, we don't create a daemon */ |
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106 | is_daemon = 1; |
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107 | for(int i=0;i<argc;i++) { |
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108 | char *p = argv[i]; |
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109 | if(p[0] == '-' && p[1] == 'c') { |
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110 | is_daemon = 0; |
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111 | break; |
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112 | } |
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113 | } |
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114 | if(is_daemon) { |
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115 | /* create daemon */ |
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116 | pid_t pid = fork(); |
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117 | if(pid < 0) { |
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118 | return EXIT_FAILURE; |
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119 | } else if(pid > 0) { |
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120 | return EXIT_SUCCESS; |
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121 | } |
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122 | |
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123 | if(setsid() < 0) { |
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124 | fprintf(stderr, "setsid failed\n"); |
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125 | return EXIT_FAILURE; |
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126 | } |
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127 | printf("start daemon\n"); |
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128 | |
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129 | for(int i=0;i<3;i++) { |
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130 | close(i); |
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131 | } |
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132 | |
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133 | /* stdio redirection */ |
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134 | /* create pipes */ |
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135 | if(pipe(std_pipe_fds) != 0) { |
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136 | perror("pipe"); |
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137 | return EXIT_FAILURE; |
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138 | } |
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139 | //FILE *ws_out = fdopen(std_pipe_fds[1], "w"); |
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140 | //*stdout = *ws_out; |
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141 | //*stderr = *ws_out; |
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142 | //dup2(std_pipe_fds[1], 1); |
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143 | //dup2(std_pipe_fds[1], 2); |
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144 | |
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145 | pthread_t tid; |
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146 | pthread_create(&tid, NULL, log_pipe_thread, NULL); |
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147 | } |
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148 | |
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149 | pool_init(NULL, NULL, NULL); |
1 | 150 | |
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151 | /* add signal handler */ |
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152 | signal(SIGUSR1, sig_usr1_reload); |
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153 | signal(SIGTERM, sig_term); |
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154 | signal(SIGINT, sig_term); |
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155 | |
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156 | struct sigaction act; |
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157 | act.sa_handler = SIG_IGN; |
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158 | sigaction(SIGPIPE, &act, NULL); |
1 | 159 | |
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160 | /* start webserver */ |
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161 | log_ereport(LOG_INFORM, "startup"); |
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162 | |
1 | 163 | int status; |
164 | status = webserver_init(); | |
165 | if(status != 0) { | |
166 | fprintf(stderr, "Cannot initialize server!\n"); | |
167 | return EXIT_FAILURE; | |
168 | } | |
169 | ||
170 | status = webserver_run(); | |
171 | if(status != 0) { | |
172 | fprintf(stderr, "Cannot run server!\n"); | |
173 | return EXIT_FAILURE; | |
174 | } | |
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175 | |
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176 | /* TODO: join threads (or not?) */ |
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177 | while(1) { |
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178 | if(is_daemon) { |
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179 | fflush(stdout); |
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180 | fflush(stderr); |
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181 | } |
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182 | sleep(10000); |
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183 | if(0) { |
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184 | break; |
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185 | } |
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186 | } |
1 | 187 | |
188 | return EXIT_SUCCESS; | |
189 | } | |
190 |