Mercurial > hg > nginx-quic
annotate src/core/ngx_syslog.c @ 9056:29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
During initial startup the ngx_cycle->hostname is not available, and
previously this resulted in incorrect logging. Instead, hostname from the
configuration being parsed is now preserved in the syslog peer structure
and then used during logging.
Similarly, ngx_cycle->log might not match the configuration where the
syslog peer is defined if the configuration is not yet fully applied,
and previously this resulted in unexpected logging of syslog errors
and debug information. Instead, cf->cycle->new_log is now referenced
in the syslog peer structure and used for logging, similarly to how it
is done in other modules.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 10 Mar 2023 07:43:40 +0300 |
parents | 7f9935f07fe9 |
children | 8771d35d55d0 |
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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 ngx_pool_cleanup_t *cln; |
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43 |
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44 peer->facility = NGX_CONF_UNSET_UINT; |
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45 peer->severity = NGX_CONF_UNSET_UINT; |
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46 |
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47 if (ngx_syslog_parse_args(cf, peer) != NGX_CONF_OK) { |
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48 return NGX_CONF_ERROR; |
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49 } |
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50 |
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51 if (peer->server.sockaddr == NULL) { |
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52 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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53 "no syslog server specified"); |
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54 return NGX_CONF_ERROR; |
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55 } |
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56 |
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57 if (peer->facility == NGX_CONF_UNSET_UINT) { |
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58 peer->facility = 23; /* local7 */ |
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59 } |
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60 |
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61 if (peer->severity == NGX_CONF_UNSET_UINT) { |
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62 peer->severity = 6; /* info */ |
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63 } |
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64 |
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65 if (peer->tag.data == NULL) { |
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66 ngx_str_set(&peer->tag, "nginx"); |
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67 } |
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68 |
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69 peer->hostname = &cf->cycle->hostname; |
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70 peer->log = &cf->cycle->new_log; |
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71 |
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72 peer->conn.fd = (ngx_socket_t) -1; |
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73 |
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74 peer->conn.read = &ngx_syslog_dummy_event; |
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75 peer->conn.write = &ngx_syslog_dummy_event; |
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76 |
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77 ngx_syslog_dummy_event.log = &ngx_syslog_dummy_log; |
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78 |
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79 cln = ngx_pool_cleanup_add(cf->pool, 0); |
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80 if (cln == NULL) { |
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81 return NGX_CONF_ERROR; |
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82 } |
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83 |
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84 cln->data = peer; |
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85 cln->handler = ngx_syslog_cleanup; |
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86 |
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87 return NGX_CONF_OK; |
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88 } |
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89 |
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90 |
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91 static char * |
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92 ngx_syslog_parse_args(ngx_conf_t *cf, ngx_syslog_peer_t *peer) |
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93 { |
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94 u_char *p, *comma, c; |
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95 size_t len; |
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96 ngx_str_t *value; |
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97 ngx_url_t u; |
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98 ngx_uint_t i; |
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99 |
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100 value = cf->args->elts; |
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101 |
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102 p = value[1].data + sizeof("syslog:") - 1; |
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103 |
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104 for ( ;; ) { |
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105 comma = (u_char *) ngx_strchr(p, ','); |
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106 |
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107 if (comma != NULL) { |
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108 len = comma - p; |
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109 *comma = '\0'; |
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110 |
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111 } else { |
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112 len = value[1].data + value[1].len - p; |
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113 } |
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114 |
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115 if (ngx_strncmp(p, "server=", 7) == 0) { |
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116 |
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117 if (peer->server.sockaddr != NULL) { |
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118 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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119 "duplicate syslog \"server\""); |
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120 return NGX_CONF_ERROR; |
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121 } |
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parents:
diff
changeset
|
122 |
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Added syslog support for error_log and access_log directives.
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parents:
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|
123 ngx_memzero(&u, sizeof(ngx_url_t)); |
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Added syslog support for error_log and access_log directives.
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parents:
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|
124 |
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|
125 u.url.data = p + 7; |
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|
126 u.url.len = len - 7; |
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|
127 u.default_port = 514; |
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|
128 |
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|
129 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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Added syslog support for error_log and access_log directives.
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parents:
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changeset
|
130 if (u.err) { |
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Added syslog support for error_log and access_log directives.
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|
131 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
132 "%s in syslog server \"%V\"", |
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Added syslog support for error_log and access_log directives.
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diff
changeset
|
133 u.err, &u.url); |
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Added syslog support for error_log and access_log directives.
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parents:
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|
134 } |
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parents:
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|
135 |
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|
136 return NGX_CONF_ERROR; |
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|
137 } |
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|
138 |
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|
139 peer->server = u.addrs[0]; |
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|
140 |
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|
141 } else if (ngx_strncmp(p, "facility=", 9) == 0) { |
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|
142 |
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|
143 if (peer->facility != NGX_CONF_UNSET_UINT) { |
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|
144 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
145 "duplicate syslog \"facility\""); |
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|
146 return NGX_CONF_ERROR; |
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|
147 } |
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|
148 |
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|
149 for (i = 0; facilities[i] != NULL; i++) { |
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|
150 |
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|
151 if (ngx_strcmp(p + 9, facilities[i]) == 0) { |
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|
152 peer->facility = i; |
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|
153 goto next; |
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parents:
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|
154 } |
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|
155 } |
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|
156 |
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|
157 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
158 "unknown syslog facility \"%s\"", p + 9); |
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|
159 return NGX_CONF_ERROR; |
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|
160 |
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parents:
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|
161 } else if (ngx_strncmp(p, "severity=", 9) == 0) { |
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parents:
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|
162 |
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|
163 if (peer->severity != NGX_CONF_UNSET_UINT) { |
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|
164 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
165 "duplicate syslog \"severity\""); |
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|
166 return NGX_CONF_ERROR; |
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|
167 } |
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parents:
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|
168 |
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|
169 for (i = 0; severities[i] != NULL; i++) { |
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|
170 |
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parents:
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|
171 if (ngx_strcmp(p + 9, severities[i]) == 0) { |
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parents:
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|
172 peer->severity = i; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
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|
173 goto next; |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
174 } |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
175 } |
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parents:
diff
changeset
|
176 |
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|
177 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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|
178 "unknown syslog severity \"%s\"", p + 9); |
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Added syslog support for error_log and access_log directives.
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|
179 return NGX_CONF_ERROR; |
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|
180 |
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parents:
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|
181 } else if (ngx_strncmp(p, "tag=", 4) == 0) { |
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parents:
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|
182 |
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parents:
diff
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|
183 if (peer->tag.data != NULL) { |
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|
184 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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|
185 "duplicate syslog \"tag\""); |
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Added syslog support for error_log and access_log directives.
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|
186 return NGX_CONF_ERROR; |
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parents:
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|
187 } |
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parents:
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changeset
|
188 |
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parents:
diff
changeset
|
189 /* |
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parents:
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|
190 * RFC 3164: the TAG is a string of ABNF alphanumeric characters |
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parents:
diff
changeset
|
191 * that MUST NOT exceed 32 characters. |
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parents:
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changeset
|
192 */ |
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parents:
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changeset
|
193 if (len - 4 > 32) { |
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Added syslog support for error_log and access_log directives.
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|
194 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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changeset
|
195 "syslog tag length exceeds 32"); |
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Added syslog support for error_log and access_log directives.
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|
196 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
|
197 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
198 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
199 for (i = 4; i < len; i++) { |
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Added syslog support for error_log and access_log directives.
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|
200 c = ngx_tolower(p[i]); |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
201 |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
Vladimir Homutov <vl@nginx.com>
parents:
5858
diff
changeset
|
202 if (c < '0' || (c > '9' && c < 'a' && c != '_') || c > 'z') { |
5702
777202558122
Added syslog support for error_log and access_log directives.
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|
203 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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|
204 "syslog \"tag\" only allows " |
5922
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
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parents:
5858
diff
changeset
|
205 "alphanumeric characters " |
68f64bc17fa4
Syslog: allowed underscore symbol in tag (ticket #667).
Vladimir Homutov <vl@nginx.com>
parents:
5858
diff
changeset
|
206 "and underscore"); |
5702
777202558122
Added syslog support for error_log and access_log directives.
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|
207 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
|
208 } |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
209 } |
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Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
210 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
211 peer->tag.data = p + 4; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
212 peer->tag.len = len - 4; |
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Added syslog support for error_log and access_log directives.
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|
213 |
6286
a6a2016b8e31
Syslog: added "nohostname" option.
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parents:
5922
diff
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|
214 } else if (len == 10 && ngx_strncmp(p, "nohostname", 10) == 0) { |
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Syslog: added "nohostname" option.
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5922
diff
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|
215 peer->nohostname = 1; |
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diff
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|
216 |
5702
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parents:
diff
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|
217 } else { |
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Added syslog support for error_log and access_log directives.
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parents:
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|
218 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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changeset
|
219 "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
|
220 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
|
221 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
222 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
223 next: |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
224 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
225 if (comma == NULL) { |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
226 break; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
227 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
228 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
229 p = comma + 1; |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
230 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
231 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
232 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
|
233 } |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
234 |
777202558122
Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
235 |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
236 u_char * |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
237 ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf) |
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Added syslog support for error_log and access_log directives.
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parents:
diff
changeset
|
238 { |
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parents:
diff
changeset
|
239 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
|
240 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
241 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
|
242 |
6286
a6a2016b8e31
Syslog: added "nohostname" option.
Vladimir Homutov <vl@nginx.com>
parents:
5922
diff
changeset
|
243 if (peer->nohostname) { |
a6a2016b8e31
Syslog: added "nohostname" option.
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5922
diff
changeset
|
244 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
|
245 &peer->tag); |
a6a2016b8e31
Syslog: added "nohostname" option.
Vladimir Homutov <vl@nginx.com>
parents:
5922
diff
changeset
|
246 } |
a6a2016b8e31
Syslog: added "nohostname" option.
Vladimir Homutov <vl@nginx.com>
parents:
5922
diff
changeset
|
247 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
248 return ngx_sprintf(buf, "<%ui>%V %V %V: ", pri, &ngx_cached_syslog_time, |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
249 peer->hostname, &peer->tag); |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
250 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
251 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
252 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
253 void |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
254 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.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
255 size_t len) |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
256 { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
257 u_char *p, msg[NGX_SYSLOG_MAX_STR]; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
258 ngx_uint_t head_len; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
259 ngx_syslog_peer_t *peer; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
260 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
261 peer = log->wdata; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
262 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
263 if (peer->busy) { |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
264 return; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
265 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
266 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
267 peer->busy = 1; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
268 peer->severity = level - 1; |
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 p = ngx_syslog_add_header(peer, msg); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
271 head_len = p - msg; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
272 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
273 len -= NGX_LINEFEED_SIZE; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
274 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
275 if (len > NGX_SYSLOG_MAX_STR - head_len) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
276 len = NGX_SYSLOG_MAX_STR - head_len; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
277 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
278 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
279 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
|
280 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
281 (void) ngx_syslog_send(peer, msg, p - msg); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
282 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
283 peer->busy = 0; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
284 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
285 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
286 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
287 ssize_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
288 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.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
289 { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
290 ssize_t n; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
291 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
292 if (peer->conn.fd == (ngx_socket_t) -1) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
293 if (ngx_syslog_init_peer(peer) != NGX_OK) { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
294 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
295 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
296 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
297 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
298 if (ngx_send) { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
299 n = ngx_send(&peer->conn, buf, len); |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
300 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
301 } else { |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
302 /* 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
|
303 n = ngx_os_io.send(&peer->conn, buf, len); |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
304 } |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
305 |
7272
fa0e093b64d7
Syslog: re-open syslog udp socket on send error (ticket #1477).
Vladimir Homutov <vl@nginx.com>
parents:
6474
diff
changeset
|
306 if (n == NGX_ERROR) { |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
307 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
308 if (ngx_close_socket(peer->conn.fd) == -1) { |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
309 ngx_log_error(NGX_LOG_ALERT, peer->log, ngx_socket_errno, |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
310 ngx_close_socket_n " failed"); |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
311 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
312 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
313 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
|
314 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
315 |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
316 return n; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
317 } |
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 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
320 static ngx_int_t |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
321 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
|
322 { |
7277
7f9935f07fe9
Syslog: install cleanup handler only once.
Vladimir Homutov <vl@nginx.com>
parents:
7272
diff
changeset
|
323 ngx_socket_t fd; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
324 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
325 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
|
326 if (fd == (ngx_socket_t) -1) { |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
327 ngx_log_error(NGX_LOG_ALERT, peer->log, ngx_socket_errno, |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
328 ngx_socket_n " failed"); |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
329 return NGX_ERROR; |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
330 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
331 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
332 if (ngx_nonblocking(fd) == -1) { |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
333 ngx_log_error(NGX_LOG_ALERT, peer->log, ngx_socket_errno, |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
334 ngx_nonblocking_n " failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
335 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
336 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
337 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
338 if (connect(fd, peer->server.sockaddr, peer->server.socklen) == -1) { |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
339 ngx_log_error(NGX_LOG_ALERT, peer->log, ngx_socket_errno, |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
340 "connect() failed"); |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
341 goto failed; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
342 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
343 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
344 peer->conn.fd = fd; |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
345 peer->conn.log = peer->log; |
5709
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
346 |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
347 /* UDP sockets are always ready to write */ |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
348 peer->conn.write->ready = 1; |
44532046d9d7
Syslog: fixed message sending on win32.
Vladimir Homutov <vl@nginx.com>
parents:
5708
diff
changeset
|
349 |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
350 return NGX_OK; |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
351 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
352 failed: |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
353 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
354 if (ngx_close_socket(fd) == -1) { |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
355 ngx_log_error(NGX_LOG_ALERT, peer->log, ngx_socket_errno, |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
356 ngx_close_socket_n " failed"); |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
357 } |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
358 |
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
359 return NGX_ERROR; |
5702
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
360 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
361 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
362 |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
363 static void |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
364 ngx_syslog_cleanup(void *data) |
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 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
|
367 |
5857
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
368 /* prevents further use of this peer */ |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
369 peer->busy = 1; |
2cb5275bf5e7
Syslog: enabled logging of send errors.
Vladimir Homutov <vl@nginx.com>
parents:
5709
diff
changeset
|
370 |
5858
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
371 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
|
372 return; |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
373 } |
02c2352d5b01
Syslog: improved error handling of unix domain sockets.
Vladimir Homutov <vl@nginx.com>
parents:
5857
diff
changeset
|
374 |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
375 if (ngx_close_socket(peer->conn.fd) == -1) { |
9056
29adacffdefa
Syslog: removed usage of ngx_cycle->log and ngx_cycle->hostname.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7277
diff
changeset
|
376 ngx_log_error(NGX_LOG_ALERT, peer->log, ngx_socket_errno, |
5708
aacd994167d3
Syslog: fixed possible resource leak and more verbose logging.
Vladimir Homutov <vl@nginx.com>
parents:
5702
diff
changeset
|
377 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
|
378 } |
777202558122
Added syslog support for error_log and access_log directives.
Vladimir Homutov <vl@nginx.com>
parents:
diff
changeset
|
379 } |