Mercurial > hg > nginx
annotate src/stream/ngx_stream.h @ 8599:c01964fd7b8b quic
QUIC: fixed dropping output ack ranges on input ack.
While there, additional debug messages were added.
author | Vladimir Homutov <vl@nginx.com> |
---|---|
date | Wed, 21 Oct 2020 20:39:25 +0300 |
parents | 893b3313f53c |
children | d514f88053e5 |
rev | line source |
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6115 | 1 |
2 /* | |
3 * Copyright (C) Roman Arutyunyan | |
4 * Copyright (C) Nginx, Inc. | |
5 */ | |
6 | |
7 | |
8 #ifndef _NGX_STREAM_H_INCLUDED_ | |
9 #define _NGX_STREAM_H_INCLUDED_ | |
10 | |
11 | |
12 #include <ngx_config.h> | |
13 #include <ngx_core.h> | |
14 | |
15 #if (NGX_STREAM_SSL) | |
16 #include <ngx_stream_ssl_module.h> | |
17 #endif | |
18 | |
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19 #if (NGX_STREAM_QUIC) |
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20 #include <ngx_stream_quic_module.h> |
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21 #endif |
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22 |
6115 | 23 |
24 typedef struct ngx_stream_session_s ngx_stream_session_t; | |
25 | |
26 | |
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27 #include <ngx_stream_variables.h> |
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28 #include <ngx_stream_script.h> |
6115 | 29 #include <ngx_stream_upstream.h> |
30 #include <ngx_stream_upstream_round_robin.h> | |
31 | |
32 | |
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33 #define NGX_STREAM_OK 200 |
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34 #define NGX_STREAM_BAD_REQUEST 400 |
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35 #define NGX_STREAM_FORBIDDEN 403 |
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36 #define NGX_STREAM_INTERNAL_SERVER_ERROR 500 |
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37 #define NGX_STREAM_BAD_GATEWAY 502 |
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38 #define NGX_STREAM_SERVICE_UNAVAILABLE 503 |
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39 |
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40 |
6115 | 41 typedef struct { |
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42 void **main_conf; |
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43 void **srv_conf; |
6115 | 44 } ngx_stream_conf_ctx_t; |
45 | |
46 | |
47 typedef struct { | |
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48 struct sockaddr *sockaddr; |
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49 socklen_t socklen; |
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50 ngx_str_t addr_text; |
6115 | 51 |
52 /* server ctx */ | |
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53 ngx_stream_conf_ctx_t *ctx; |
6115 | 54 |
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55 unsigned bind:1; |
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56 unsigned wildcard:1; |
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57 unsigned ssl:1; |
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58 unsigned quic:1; |
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59 #if (NGX_HAVE_INET6) |
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60 unsigned ipv6only:1; |
6115 | 61 #endif |
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62 unsigned reuseport:1; |
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63 unsigned so_keepalive:2; |
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64 unsigned proxy_protocol:1; |
6115 | 65 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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66 int tcp_keepidle; |
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67 int tcp_keepintvl; |
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68 int tcp_keepcnt; |
6115 | 69 #endif |
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70 int backlog; |
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71 int rcvbuf; |
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72 int sndbuf; |
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73 int type; |
6115 | 74 } ngx_stream_listen_t; |
75 | |
76 | |
77 typedef struct { | |
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78 ngx_stream_conf_ctx_t *ctx; |
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79 ngx_str_t addr_text; |
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80 unsigned ssl:1; |
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81 unsigned quic:1; |
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82 unsigned proxy_protocol:1; |
6115 | 83 } ngx_stream_addr_conf_t; |
84 | |
85 typedef struct { | |
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86 in_addr_t addr; |
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87 ngx_stream_addr_conf_t conf; |
6115 | 88 } ngx_stream_in_addr_t; |
89 | |
90 | |
91 #if (NGX_HAVE_INET6) | |
92 | |
93 typedef struct { | |
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94 struct in6_addr addr6; |
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95 ngx_stream_addr_conf_t conf; |
6115 | 96 } ngx_stream_in6_addr_t; |
97 | |
98 #endif | |
99 | |
100 | |
101 typedef struct { | |
102 /* ngx_stream_in_addr_t or ngx_stream_in6_addr_t */ | |
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103 void *addrs; |
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104 ngx_uint_t naddrs; |
6115 | 105 } ngx_stream_port_t; |
106 | |
107 | |
108 typedef struct { | |
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109 int family; |
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110 int type; |
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111 in_port_t port; |
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112 ngx_array_t addrs; /* array of ngx_stream_conf_addr_t */ |
6115 | 113 } ngx_stream_conf_port_t; |
114 | |
115 | |
116 typedef struct { | |
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117 ngx_stream_listen_t opt; |
6115 | 118 } ngx_stream_conf_addr_t; |
119 | |
120 | |
6693 | 121 typedef enum { |
122 NGX_STREAM_POST_ACCEPT_PHASE = 0, | |
123 NGX_STREAM_PREACCESS_PHASE, | |
124 NGX_STREAM_ACCESS_PHASE, | |
125 NGX_STREAM_SSL_PHASE, | |
6694 | 126 NGX_STREAM_PREREAD_PHASE, |
6693 | 127 NGX_STREAM_CONTENT_PHASE, |
128 NGX_STREAM_LOG_PHASE | |
129 } ngx_stream_phases; | |
130 | |
131 | |
132 typedef struct ngx_stream_phase_handler_s ngx_stream_phase_handler_t; | |
133 | |
134 typedef ngx_int_t (*ngx_stream_phase_handler_pt)(ngx_stream_session_t *s, | |
135 ngx_stream_phase_handler_t *ph); | |
136 typedef ngx_int_t (*ngx_stream_handler_pt)(ngx_stream_session_t *s); | |
137 typedef void (*ngx_stream_content_handler_pt)(ngx_stream_session_t *s); | |
138 | |
139 | |
140 struct ngx_stream_phase_handler_s { | |
141 ngx_stream_phase_handler_pt checker; | |
142 ngx_stream_handler_pt handler; | |
143 ngx_uint_t next; | |
144 }; | |
145 | |
146 | |
147 typedef struct { | |
148 ngx_stream_phase_handler_t *handlers; | |
149 } ngx_stream_phase_engine_t; | |
150 | |
151 | |
152 typedef struct { | |
153 ngx_array_t handlers; | |
154 } ngx_stream_phase_t; | |
6175 | 155 |
156 | |
6115 | 157 typedef struct { |
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158 ngx_array_t servers; /* ngx_stream_core_srv_conf_t */ |
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159 ngx_array_t listen; /* ngx_stream_listen_t */ |
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160 |
6693 | 161 ngx_stream_phase_engine_t phase_engine; |
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162 |
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163 ngx_hash_t variables_hash; |
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164 |
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165 ngx_array_t variables; /* ngx_stream_variable_t */ |
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166 ngx_array_t prefix_variables; /* ngx_stream_variable_t */ |
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167 ngx_uint_t ncaptures; |
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168 |
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169 ngx_uint_t variables_hash_max_size; |
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170 ngx_uint_t variables_hash_bucket_size; |
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171 |
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172 ngx_hash_keys_arrays_t *variables_keys; |
6693 | 173 |
174 ngx_stream_phase_t phases[NGX_STREAM_LOG_PHASE + 1]; | |
6115 | 175 } ngx_stream_core_main_conf_t; |
176 | |
177 | |
178 typedef struct { | |
6693 | 179 ngx_stream_content_handler_pt handler; |
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180 |
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181 ngx_stream_conf_ctx_t *ctx; |
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182 |
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183 u_char *file_name; |
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184 ngx_uint_t line; |
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185 |
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186 ngx_flag_t tcp_nodelay; |
6694 | 187 size_t preread_buffer_size; |
188 ngx_msec_t preread_timeout; | |
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189 |
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190 ngx_log_t *error_log; |
6618 | 191 |
192 ngx_msec_t resolver_timeout; | |
193 ngx_resolver_t *resolver; | |
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194 |
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195 ngx_msec_t proxy_protocol_timeout; |
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196 |
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197 ngx_uint_t listen; /* unsigned listen:1; */ |
6115 | 198 } ngx_stream_core_srv_conf_t; |
199 | |
200 | |
201 struct ngx_stream_session_s { | |
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202 uint32_t signature; /* "STRM" */ |
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203 |
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204 ngx_connection_t *connection; |
6115 | 205 |
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206 off_t received; |
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207 time_t start_sec; |
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208 ngx_msec_t start_msec; |
6115 | 209 |
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210 ngx_log_handler_pt log_handler; |
6115 | 211 |
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212 void **ctx; |
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213 void **main_conf; |
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214 void **srv_conf; |
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215 |
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216 ngx_stream_upstream_t *upstream; |
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217 ngx_array_t *upstream_states; |
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218 /* of ngx_stream_upstream_state_t */ |
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219 ngx_stream_variable_value_t *variables; |
6115 | 220 |
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221 #if (NGX_PCRE) |
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222 ngx_uint_t ncaptures; |
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223 int *captures; |
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224 u_char *captures_data; |
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225 #endif |
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226 |
6693 | 227 ngx_int_t phase_handler; |
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228 ngx_uint_t status; |
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229 |
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230 unsigned ssl:1; |
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231 |
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232 unsigned stat_processing:1; |
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233 |
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234 unsigned health_check:1; |
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235 |
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236 unsigned limit_conn_status:2; |
6115 | 237 }; |
238 | |
239 | |
240 typedef struct { | |
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241 ngx_int_t (*preconfiguration)(ngx_conf_t *cf); |
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242 ngx_int_t (*postconfiguration)(ngx_conf_t *cf); |
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243 |
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244 void *(*create_main_conf)(ngx_conf_t *cf); |
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245 char *(*init_main_conf)(ngx_conf_t *cf, void *conf); |
6115 | 246 |
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247 void *(*create_srv_conf)(ngx_conf_t *cf); |
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248 char *(*merge_srv_conf)(ngx_conf_t *cf, void *prev, |
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249 void *conf); |
6115 | 250 } ngx_stream_module_t; |
251 | |
252 | |
253 #define NGX_STREAM_MODULE 0x4d525453 /* "STRM" */ | |
254 | |
255 #define NGX_STREAM_MAIN_CONF 0x02000000 | |
256 #define NGX_STREAM_SRV_CONF 0x04000000 | |
257 #define NGX_STREAM_UPS_CONF 0x08000000 | |
258 | |
259 | |
260 #define NGX_STREAM_MAIN_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, main_conf) | |
261 #define NGX_STREAM_SRV_CONF_OFFSET offsetof(ngx_stream_conf_ctx_t, srv_conf) | |
262 | |
263 | |
264 #define ngx_stream_get_module_ctx(s, module) (s)->ctx[module.ctx_index] | |
265 #define ngx_stream_set_ctx(s, c, module) s->ctx[module.ctx_index] = c; | |
266 #define ngx_stream_delete_ctx(s, module) s->ctx[module.ctx_index] = NULL; | |
267 | |
268 | |
269 #define ngx_stream_get_module_main_conf(s, module) \ | |
270 (s)->main_conf[module.ctx_index] | |
271 #define ngx_stream_get_module_srv_conf(s, module) \ | |
272 (s)->srv_conf[module.ctx_index] | |
273 | |
274 #define ngx_stream_conf_get_module_main_conf(cf, module) \ | |
275 ((ngx_stream_conf_ctx_t *) cf->ctx)->main_conf[module.ctx_index] | |
276 #define ngx_stream_conf_get_module_srv_conf(cf, module) \ | |
277 ((ngx_stream_conf_ctx_t *) cf->ctx)->srv_conf[module.ctx_index] | |
278 | |
279 #define ngx_stream_cycle_get_module_main_conf(cycle, module) \ | |
280 (cycle->conf_ctx[ngx_stream_module.index] ? \ | |
281 ((ngx_stream_conf_ctx_t *) cycle->conf_ctx[ngx_stream_module.index]) \ | |
282 ->main_conf[module.ctx_index]: \ | |
283 NULL) | |
284 | |
285 | |
6692 | 286 #define NGX_STREAM_WRITE_BUFFERED 0x10 |
287 | |
288 | |
6693 | 289 void ngx_stream_core_run_phases(ngx_stream_session_t *s); |
290 ngx_int_t ngx_stream_core_generic_phase(ngx_stream_session_t *s, | |
291 ngx_stream_phase_handler_t *ph); | |
6694 | 292 ngx_int_t ngx_stream_core_preread_phase(ngx_stream_session_t *s, |
293 ngx_stream_phase_handler_t *ph); | |
6693 | 294 ngx_int_t ngx_stream_core_content_phase(ngx_stream_session_t *s, |
295 ngx_stream_phase_handler_t *ph); | |
296 | |
297 | |
6115 | 298 void ngx_stream_init_connection(ngx_connection_t *c); |
6693 | 299 void ngx_stream_session_handler(ngx_event_t *rev); |
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300 void ngx_stream_finalize_session(ngx_stream_session_t *s, ngx_uint_t rc); |
6115 | 301 |
302 | |
303 extern ngx_module_t ngx_stream_module; | |
304 extern ngx_uint_t ngx_stream_max_module; | |
305 extern ngx_module_t ngx_stream_core_module; | |
306 | |
307 | |
6692 | 308 typedef ngx_int_t (*ngx_stream_filter_pt)(ngx_stream_session_t *s, |
309 ngx_chain_t *chain, ngx_uint_t from_upstream); | |
310 | |
311 | |
312 extern ngx_stream_filter_pt ngx_stream_top_filter; | |
313 | |
314 | |
6115 | 315 #endif /* _NGX_STREAM_H_INCLUDED_ */ |