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annotate src/core/nginx.c @ 3:34a521b1a148

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nginx-0.0.1-2002-08-20-18:48:28 import
author Igor Sysoev <igor@sysoev.ru>
date Tue, 20 Aug 2002 14:48:28 +0000
parents ffffe1499bce
children 669801705ab1
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1
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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2 #include <nginx.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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4 #include <ngx_config.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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5 #include <ngx_string.h>
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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6 #include <ngx_errno.h>
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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7 #include <ngx_time.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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8 #include <ngx_log.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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9 #include <ngx_alloc.h>
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ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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10 #include <ngx_array.h>
ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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11 #include <ngx_socket.h>
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4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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12 #include <ngx_server.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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13 #include <ngx_connection.h>
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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14 #include <ngx_listen.h>
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16 /* STUB */
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17 #include <ngx_http.h>
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18 /* */
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21 static void ngx_open_listening_sockets(ngx_log_t *log);
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34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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24 /* STUB */
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25 int ngx_max_conn = 512;
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27 ngx_server_t ngx_server;
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28 /* */
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29
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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30 ngx_log_t ngx_log;
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31 ngx_pool_t *ngx_pool;
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34 ngx_array_t *ngx_listening_sockets;
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37 int main(int argc, char *const *argv)
4eff17414a43 nginx-0.0.1-2002-08-06-20:39:45 import
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38 {
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39 int i;
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41 /* STUB */
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42 ngx_log.log_level = NGX_LOG_DEBUG;
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44 ngx_pool = ngx_create_pool(16 * 1024, &ngx_log);
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45 /* */
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46
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47 ngx_init_sockets(&ngx_log);
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48
ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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49 /* TODO: read config */
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50
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51 ngx_test_null(ngx_listening_sockets,
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52 ngx_create_array(ngx_pool, 10, sizeof(ngx_listen_t)), 1);
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53
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54 /* STUB */
ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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55 /* TODO: init chain of global modules (like ngx_http.c),
ffffe1499bce nginx-0.0.1-2002-08-16-19:27:03 import
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56 they would init its modules and ngx_listening_sockets */
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57 ngx_http_init(ngx_pool, &ngx_log);
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58
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59 ngx_open_listening_sockets(&ngx_log);
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61 /* TODO: daemon */
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63 /* TODO: fork */
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64
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65 ngx_pre_thread(ngx_listening_sockets, ngx_pool, &ngx_log);
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66
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67 /* TODO: threads */
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68
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69 /* STUB */
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70 ngx_worker(&ngx_log);
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71 }
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73 static void ngx_open_listening_sockets(ngx_log_t *log)
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74 {
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75 int times, failed, reuseaddr, i;
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76 ngx_err_t err;
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77 ngx_socket_t s;
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78 ngx_listen_t *ls;
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79
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80 reuseaddr = 1;
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81
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82 for (times = 10; times; times--) {
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83 failed = 0;
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84
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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85 /* for each listening socket */
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86 ls = (ngx_listen_t *) ngx_listening_sockets->elts;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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87 for (i = 0; i < ngx_listening_sockets->nelts; i++) {
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88 if (ls[i].done)
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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89 continue;
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90
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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91 #if (WIN32)
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92 s = WSASocket(ls[i].family, ls[i].type, ls[i].protocol, NULL, 0, 0);
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93 #else
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94 s = socket(ls[i].family, ls[i].type, ls[i].protocol);
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95 #endif
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96 if (s == -1)
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97 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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98 "nginx: socket %s falied", ls[i].addr_text);
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99
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100 if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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101 (const void *) &reuseaddr, sizeof(int)) == -1)
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102 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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103 "nginx: setsockopt (SO_REUSEADDR) %s failed",
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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104 ls[i].addr_text);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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105
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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106 /* TODO: close on exit */
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107
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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108 if (ls[i].nonblocking) {
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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109 if (ngx_nonblocking(s) == -1)
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110 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
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111 ngx_nonblocking_n " %s failed",
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112 ls[i].addr_text);
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113 }
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114
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115 if (bind(s, (struct sockaddr *) ls[i].addr, ls[i].addr_len) == -1) {
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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116 err = ngx_socket_errno;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
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diff changeset
117 ngx_log_error(NGX_LOG_ALERT, log, err,
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
118 "bind to %s failed", ls[i].addr_text);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
119
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
120 if (err != NGX_EADDRINUSE)
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
121 exit(1);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
122
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
123 if (ngx_close_socket(s) == -1)
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
124 ngx_log_error(NGX_LOG_ALERT, log, ngx_socket_errno,
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
125 ngx_close_socket_n " %s failed",
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
126 ls[i].addr_text);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
127
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
128 failed = 1;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
129 continue;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
130 }
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
131
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
132 if (listen(s, ls[i].backlog) == -1)
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
133 ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
134 "listen to %s failed", ls[i].addr_text);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
135
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
136 /* TODO: deferred accept */
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
137
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
138 ls[i].fd = s;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
139 ls[i].done = 1;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
140 }
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
141
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
142 if (!failed)
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
143 break;
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
144
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
145 ngx_log_error(NGX_LOG_NOTICE, log, 0, "try to bind again after 500ms");
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
146 ngx_msleep(500);
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
147 }
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
148
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
149 if (failed)
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
150 ngx_log_error(NGX_LOG_EMERG, log, 0, "can't bind");
34a521b1a148 nginx-0.0.1-2002-08-20-18:48:28 import
Igor Sysoev <igor@sysoev.ru>
parents: 2
diff changeset
151 }