Mercurial > hg > nginx-quic
annotate src/core/ngx_syslog.c @ 6699:9cf2dce316e5
Fixed log levels of configuration parsing errors.
All the errors that prevent loading configuration must be printed on the "emerg"
log level. Previously, nginx might silently fail to load configuration in some
cases as the default log level is "error".
author | Valentin Bartenev <vbart@nginx.com> |
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date | Tue, 20 Sep 2016 15:07:16 +0300 |
parents | 2cd019520210 |
children | fa0e093b64d7 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Nginx, Inc. |
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 #define NGX_SYSLOG_MAX_STR \ |
6474 | 13 NGX_MAX_ERROR_STR + sizeof("<255>Jan 01 00:00:00 ") - 1 \ |
14 + (NGX_MAXHOSTNAMELEN - 1) + 1 /* space */ \ | |
15 + 32 /* tag */ + 2 /* colon, space */ | |
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16 |
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17 |
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18 static char *ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer); |
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19 static ngx_int_t ngx_syslog_init_peer(ngx_syslog_peer_t *peer); |
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20 static void ngx_syslog_cleanup(void *data); |
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21 |
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22 |
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23 static char *facilities[] = { |
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24 "kern", "user", "mail", "daemon", "auth", "intern", "lpr", "news", "uucp", |
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25 "clock", "authpriv", "ftp", "ntp", "audit", "alert", "cron", "local0", |
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26 "local1", "local2", "local3", "local4", "local5", "local6", "local7", |
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27 NULL |
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28 }; |
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29 |
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30 /* note 'error/warn' like in nginx.conf, not 'err/warning' */ |
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31 static char *severities[] = { |
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32 "emerg", "alert", "crit", "error", "warn", "notice", "info", "debug", NULL |
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33 }; |
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34 |
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35 static ngx_log_t ngx_syslog_dummy_log; |
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36 static ngx_event_t ngx_syslog_dummy_event; |
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37 |
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38 |
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39 char * |
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40 ngx_syslog_process_conf(ngx_conf_t *cf, ngx_syslog_peer_t *peer) |
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41 { |
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42 peer->pool = cf->pool; |
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43 peer->facility = NGX_CONF_UNSET_UINT; |
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44 peer->severity = NGX_CONF_UNSET_UINT; |
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45 |
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46 if (ngx_syslog_parse_args(cf, peer) != NGX_CONF_OK) { |
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47 return NGX_CONF_ERROR; |
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48 } |
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49 |
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50 if (peer->server.sockaddr == NULL) { |
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51 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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52 "no syslog server specified"); |
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53 return NGX_CONF_ERROR; |
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54 } |
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55 |
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56 if (peer->facility == NGX_CONF_UNSET_UINT) { |
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57 peer->facility = 23; /* local7 */ |
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58 } |
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59 |
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60 if (peer->severity == NGX_CONF_UNSET_UINT) { |
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61 peer->severity = 6; /* info */ |
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62 } |
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63 |
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64 if (peer->tag.data == NULL) { |
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65 ngx_str_set(&peer->tag, "nginx"); |
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66 } |
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67 |
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68 peer->conn.fd = (ngx_socket_t) -1; |
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69 |
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70 return NGX_CONF_OK; |
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71 } |
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72 |
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73 |
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74 static char * |
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75 ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer) |
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76 { |
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77 u_char *p, *comma, c; |
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78 size_t len; |
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79 ngx_str_t *value; |
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80 ngx_url_t u; |
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81 ngx_uint_t i; |
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82 |
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83 value = cf->args->elts; |
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84 |
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85 p = value[1].data + sizeof("syslog:") - 1; |
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86 |
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87 for ( ;; ) { |
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88 comma = (u_char *) ngx_strchr(p, ','); |
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89 |
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90 if (comma != NULL) { |
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91 len = comma - p; |
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92 *comma = '\0'; |
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93 |
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94 } else { |
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95 len = value[1].data + value[1].len - p; |
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96 } |
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97 |
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98 if (ngx_strncmp(p, "server=", 7) == 0) { |
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99 |
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100 if (peer->server.sockaddr != NULL) { |
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101 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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102 "duplicate syslog \"server\""); |
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103 return NGX_CONF_ERROR; |
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104 } |
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105 |
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106 ngx_memzero(&u, sizeof(ngx_url_t)); |
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107 |
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108 u.url.data = p + 7; |
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109 u.url.len = len - 7; |
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110 u.default_port = 514; |
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111 |
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112 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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113 if (u.err) { |
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114 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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115 "%s in syslog server \"%V\"", |
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116 u.err, &u.url); |
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117 } |
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118 |
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119 return NGX_CONF_ERROR; |
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120 } |
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121 |
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122 peer->server = u.addrs[0]; |
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123 |
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124 } else if (ngx_strncmp(p, "facility=", 9) == 0) { |
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125 |
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parents:
diff
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|
126 if (peer->facility != NGX_CONF_UNSET_UINT) { |
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Added syslog support for error_log and access_log directives.
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parents:
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|
127 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
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|
128 "duplicate syslog \"facility\""); |
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|
129 return NGX_CONF_ERROR; |
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parents:
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|
130 } |
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parents:
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|
131 |
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parents:
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|
132 for (i = 0; facilities[i] != NULL; i++) { |
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parents:
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|
133 |
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parents:
diff
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|
134 if (ngx_strcmp(p + 9, facilities[i]) == 0) { |
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parents:
diff
changeset
|
135 peer->facility = i; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
136 goto next; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
137 } |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
138 } |
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parents:
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|
139 |
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parents:
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|
140 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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Added syslog support for error_log and access_log directives.
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parents:
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|
141 "unknown syslog facility \"%s\"", p + 9); |
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Added syslog support for error_log and access_log directives.
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|
142 return NGX_CONF_ERROR; |
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parents:
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|
143 |
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parents:
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|
144 } else if (ngx_strncmp(p, "severity=", 9) == 0) { |
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parents:
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|
145 |
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parents:
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|
146 if (peer->severity != NGX_CONF_UNSET_UINT) { |
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Added syslog support for error_log and access_log directives.
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|
147 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
148 "duplicate syslog \"severity\""); |
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|
149 return NGX_CONF_ERROR; |
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parents:
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|
150 } |
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parents:
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|
151 |
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parents:
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|
152 for (i = 0; severities[i] != NULL; i++) { |
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|
153 |
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parents:
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|
154 if (ngx_strcmp(p + 9, severities[i]) == 0) { |
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|
155 peer->severity = i; |
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parents:
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|
156 goto next; |
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parents:
diff
changeset
|
157 } |
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parents:
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changeset
|
158 } |
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parents:
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|
159 |
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parents:
diff
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|
160 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
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|
161 "unknown syslog severity \"%s\"", p + 9); |
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|
162 return NGX_CONF_ERROR; |
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parents:
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|
163 |
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parents:
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|
164 } else if (ngx_strncmp(p, "tag=", 4) == 0) { |
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parents:
diff
changeset
|
165 |
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parents:
diff
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|
166 if (peer->tag.data != NULL) { |
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|
167 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
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changeset
|
168 "duplicate syslog \"tag\""); |
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|
169 return NGX_CONF_ERROR; |
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parents:
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|
170 } |
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parents:
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|
171 |
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parents:
diff
changeset
|
172 /* |
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parents:
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changeset
|
173 * RFC 3164: the TAG is a string of ABNF alphanumeric characters |
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changeset
|
174 * that MUST NOT exceed 32 characters. |
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|
175 */ |
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parents:
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|
176 if (len - 4 > 32) { |
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|
177 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
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|
178 "syslog tag length exceeds 32"); |
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|
179 return NGX_CONF_ERROR; |
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parents:
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|
180 } |
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parents:
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changeset
|
181 |
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parents:
diff
changeset
|
182 for (i = 4; i < len; i++) { |
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|
183 c = ngx_tolower(p[i]); |
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parents:
diff
changeset
|
184 |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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parents:
5858
diff
changeset
|
185 if (c < '0' || (c > '9' && c < 'a' && c != '_') || c > 'z') { |
5702
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|
186 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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parents:
diff
changeset
|
187 "syslog \"tag\" only allows " |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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parents:
5858
diff
changeset
|
188 "alphanumeric characters " |
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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parents:
5858
diff
changeset
|
189 "and underscore"); |
5702
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Added syslog support for error_log and access_log directives.
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|
190 return NGX_CONF_ERROR; |
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parents:
diff
changeset
|
191 } |
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parents:
diff
changeset
|
192 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
193 |
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parents:
diff
changeset
|
194 peer->tag.data = p + 4; |
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|
195 peer->tag.len = len - 4; |
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|
196 |
6286
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
changeset
|
197 } else if (len == 10 && ngx_strncmp(p, "nohostname", 10) == 0) { |
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5922
diff
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|
198 peer->nohostname = 1; |
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diff
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|
199 |
5702
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parents:
diff
changeset
|
200 } else { |
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Added syslog support for error_log and access_log directives.
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parents:
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changeset
|
201 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
202 "unknown syslog parameter \"%s\"", p); |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
203 return NGX_CONF_ERROR; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
204 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
205 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
206 next: |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
207 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
208 if (comma == NULL) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
209 break; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
210 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
211 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
212 p = comma + 1; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
213 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
214 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
215 return NGX_CONF_OK; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
216 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
217 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
218 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
219 u_char * |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
220 ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf) |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
221 { |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
222 ngx_uint_t pri; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
223 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
224 pri = peer->facility * 8 + peer->severity; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
225 |
6286
a6a2016b8e31
Syslog: added "nohostname" option.
Vladimir Homutov <vl@nginx.com>
parents:
5922
diff
changeset
|
226 if (peer->nohostname) { |
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
changeset
|
227 return ngx_sprintf(buf, "<%ui>%V %V: ", pri, &ngx_cached_syslog_time, |
a6a2016b8e31
Syslog: added "nohostname" option.
Vladimir Homutov <vl@nginx.com>
parents:
5922
diff
changeset
|
228 &peer->tag); |
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
changeset
|
229 } |
a6a2016b8e31
Syslog: added "nohostname" option.
Vladimir Homutov <vl@nginx.com>
parents:
5922
diff
changeset
|
230 |
5702
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parents:
diff
changeset
|
231 return ngx_sprintf(buf, "<%ui>%V %V %V: ", pri, &ngx_cached_syslog_time, |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
232 &ngx_cycle->hostname, &peer->tag); |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
233 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
234 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
235 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
236 void |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
237 ngx_syslog_writer(ngx_log_t *log, ngx_uint_t level, u_char *buf, |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
238 size_t len) |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
239 { |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
240 u_char *p, msg[NGX_SYSLOG_MAX_STR]; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
241 ngx_uint_t head_len; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
242 ngx_syslog_peer_t *peer; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
243 |
777202558122
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Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
244 peer = log->wdata; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
245 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
246 if (peer->busy) { |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
247 return; |
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parents:
diff
changeset
|
248 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
249 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
250 peer->busy = 1; |
5702
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diff
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|
251 peer->severity = level - 1; |
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Added syslog support for error_log and access_log directives.
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|
252 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
253 p = ngx_syslog_add_header(peer, msg); |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
254 head_len = p - msg; |
777202558122
Added syslog support for error_log and access_log directives.
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diff
changeset
|
255 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
256 len -= NGX_LINEFEED_SIZE; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
257 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
258 if (len > NGX_SYSLOG_MAX_STR - head_len) { |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
259 len = NGX_SYSLOG_MAX_STR - head_len; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
260 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
261 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 p = ngx_snprintf(p, len, "%s", buf); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
263 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
264 (void) ngx_syslog_send(peer, msg, p - msg); |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
265 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
266 peer->busy = 0; |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
267 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
268 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
269 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
270 ssize_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
271 ngx_syslog_send(ngx_syslog_peer_t *peer, u_char *buf, size_t len) |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
272 { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
273 ssize_t n; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
274 |
5702
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
275 if (peer->conn.fd == (ngx_socket_t) -1) { |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
276 if (ngx_syslog_init_peer(peer) != NGX_OK) { |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
277 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
278 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
279 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
280 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
281 /* log syslog socket events with valid log */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
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5709
diff
changeset
|
282 peer->conn.log = ngx_cycle->log; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
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parents:
5709
diff
changeset
|
283 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 if (ngx_send) { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
285 n = ngx_send(&peer->conn, buf, len); |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
286 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
287 } else { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
288 /* event module has not yet set ngx_io */ |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
289 n = ngx_os_io.send(&peer->conn, buf, len); |
5702
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
290 } |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
291 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
292 #if (NGX_HAVE_UNIX_DOMAIN) |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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5857
diff
changeset
|
293 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
294 if (n == NGX_ERROR && peer->server.sockaddr->sa_family == AF_UNIX) { |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
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parents:
5857
diff
changeset
|
295 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
296 if (ngx_close_socket(peer->conn.fd) == -1) { |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
297 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
298 ngx_close_socket_n " failed"); |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
299 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
300 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
301 peer->conn.fd = (ngx_socket_t) -1; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
302 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
303 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
304 #endif |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
305 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
306 return n; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
307 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
308 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
309 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
310 static ngx_int_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
311 ngx_syslog_init_peer(ngx_syslog_peer_t *peer) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
312 { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
313 ngx_socket_t fd; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
314 ngx_pool_cleanup_t *cln; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
315 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
316 peer->conn.read = &ngx_syslog_dummy_event; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 peer->conn.write = &ngx_syslog_dummy_event; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
318 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
319 ngx_syslog_dummy_event.log = &ngx_syslog_dummy_log; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 fd = ngx_socket(peer->server.sockaddr->sa_family, SOCK_DGRAM, 0); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
322 if (fd == (ngx_socket_t) -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
323 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
324 ngx_socket_n " failed"); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
326 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
327 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 if (ngx_nonblocking(fd) == -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 ngx_nonblocking_n " failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
331 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
333 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
334 if (connect(fd, peer->server.sockaddr, peer->server.socklen) == -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
335 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 "connect() failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
337 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
339 |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
340 cln = ngx_pool_cleanup_add(peer->pool, 0); |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
341 if (cln == NULL) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
342 goto failed; |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
343 } |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
344 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
345 cln->data = peer; |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
346 cln->handler = ngx_syslog_cleanup; |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
347 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
348 peer->conn.fd = fd; |
5709
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
349 |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
350 /* UDP sockets are always ready to write */ |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
351 peer->conn.write->ready = 1; |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
352 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
353 return NGX_OK; |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
354 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
355 failed: |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
356 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
357 if (ngx_close_socket(fd) == -1) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
358 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
359 ngx_close_socket_n " failed"); |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
360 } |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
361 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
362 return NGX_ERROR; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
365 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
366 static void |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
367 ngx_syslog_cleanup(void *data) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
368 { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
369 ngx_syslog_peer_t *peer = data; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
370 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
371 /* prevents further use of this peer */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
372 peer->busy = 1; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
373 |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
374 if (peer->conn.fd == (ngx_socket_t) -1) { |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
375 return; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
376 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
377 |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
378 if (ngx_close_socket(peer->conn.fd) == -1) { |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
379 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_socket_errno, |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
380 ngx_close_socket_n " failed"); |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
381 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
382 } |