Mercurial > hg > nginx-quic
view src/http/ngx_http.c @ 1334:80de622646b0 release-0.6.5
nginx-0.6.5-RELEASE
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 23 Jul 2007 07:57:08 +0000 |
parents | 8ef04207c84f |
children | 7443fbe0b013 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_http.h> static char *ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); static ngx_int_t ngx_http_add_address(ngx_conf_t *cf, ngx_http_conf_in_port_t *in_port, ngx_http_listen_t *lscf, ngx_http_core_srv_conf_t *cscf); static ngx_int_t ngx_http_add_names(ngx_conf_t *cf, ngx_http_conf_in_addr_t *in_addr, ngx_http_core_srv_conf_t *cscf); static char *ngx_http_merge_locations(ngx_conf_t *cf, ngx_array_t *locations, void **loc_conf, ngx_http_module_t *module, ngx_uint_t ctx_index); static int ngx_http_cmp_conf_in_addrs(const void *one, const void *two); static int ngx_libc_cdecl ngx_http_cmp_dns_wildcards(const void *one, const void *two); ngx_uint_t ngx_http_max_module; ngx_uint_t ngx_http_total_requests; uint64_t ngx_http_total_sent; ngx_int_t (*ngx_http_top_header_filter) (ngx_http_request_t *r); ngx_int_t (*ngx_http_top_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch); static ngx_command_t ngx_http_commands[] = { { ngx_string("http"), NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, ngx_http_block, 0, 0, NULL }, ngx_null_command }; static ngx_core_module_t ngx_http_module_ctx = { ngx_string("http"), NULL, NULL }; ngx_module_t ngx_http_module = { NGX_MODULE_V1, &ngx_http_module_ctx, /* module context */ ngx_http_commands, /* module directives */ NGX_CORE_MODULE, /* module type */ NULL, /* init master */ NULL, /* init module */ NULL, /* init process */ NULL, /* init thread */ NULL, /* exit thread */ NULL, /* exit process */ NULL, /* exit master */ NGX_MODULE_V1_PADDING }; static char * ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) { char *rv; ngx_int_t rc, j; ngx_uint_t mi, m, s, l, p, a, i, n; ngx_uint_t find_config_index, use_rewrite, use_access; ngx_uint_t last, bind_all, done; ngx_conf_t pcf; ngx_array_t headers_in, in_ports; ngx_hash_key_t *hk; ngx_hash_init_t hash; ngx_listening_t *ls; ngx_http_listen_t *lscf; ngx_http_module_t *module; ngx_http_header_t *header; ngx_http_in_port_t *hip; ngx_http_handler_pt *h; ngx_http_conf_ctx_t *ctx; ngx_http_conf_in_port_t *in_port; ngx_http_conf_in_addr_t *in_addr; ngx_hash_keys_arrays_t ha; ngx_http_server_name_t *name; ngx_http_phase_handler_t *ph; ngx_http_virtual_names_t *vn; ngx_http_core_srv_conf_t **cscfp, *cscf; ngx_http_core_loc_conf_t *clcf; ngx_http_phase_handler_pt checker; ngx_http_core_main_conf_t *cmcf; #if (NGX_WIN32) ngx_iocp_conf_t *iocpcf; #endif /* the main http context */ ctx = ngx_pcalloc(cf->pool, sizeof(ngx_http_conf_ctx_t)); if (ctx == NULL) { return NGX_CONF_ERROR; } *(ngx_http_conf_ctx_t **) conf = ctx; /* count the number of the http modules and set up their indices */ ngx_http_max_module = 0; for (m = 0; ngx_modules[m]; m++) { if (ngx_modules[m]->type != NGX_HTTP_MODULE) { continue; } ngx_modules[m]->ctx_index = ngx_http_max_module++; } /* the http main_conf context, it is the same in the all http contexts */ ctx->main_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); if (ctx->main_conf == NULL) { return NGX_CONF_ERROR; } /* * the http null srv_conf context, it is used to merge * the server{}s' srv_conf's */ ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); if (ctx->srv_conf == NULL) { return NGX_CONF_ERROR; } /* * the http null loc_conf context, it is used to merge * the server{}s' loc_conf's */ ctx->loc_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_http_max_module); if (ctx->loc_conf == NULL) { return NGX_CONF_ERROR; } /* * create the main_conf's, the null srv_conf's, and the null loc_conf's * of the all http modules */ for (m = 0; ngx_modules[m]; m++) { if (ngx_modules[m]->type != NGX_HTTP_MODULE) { continue; } module = ngx_modules[m]->ctx; mi = ngx_modules[m]->ctx_index; if (module->create_main_conf) { ctx->main_conf[mi] = module->create_main_conf(cf); if (ctx->main_conf[mi] == NULL) { return NGX_CONF_ERROR; } } if (module->create_srv_conf) { ctx->srv_conf[mi] = module->create_srv_conf(cf); if (ctx->srv_conf[mi] == NULL) { return NGX_CONF_ERROR; } } if (module->create_loc_conf) { ctx->loc_conf[mi] = module->create_loc_conf(cf); if (ctx->loc_conf[mi] == NULL) { return NGX_CONF_ERROR; } } } pcf = *cf; cf->ctx = ctx; for (m = 0; ngx_modules[m]; m++) { if (ngx_modules[m]->type != NGX_HTTP_MODULE) { continue; } module = ngx_modules[m]->ctx; mi = ngx_modules[m]->ctx_index; if (module->preconfiguration) { if (module->preconfiguration(cf) != NGX_OK) { return NGX_CONF_ERROR; } } } /* parse inside the http{} block */ cf->module_type = NGX_HTTP_MODULE; cf->cmd_type = NGX_HTTP_MAIN_CONF; rv = ngx_conf_parse(cf, NULL); if (rv != NGX_CONF_OK) { *cf = pcf; return rv; } /* * init http{} main_conf's, merge the server{}s' srv_conf's * and its location{}s' loc_conf's */ cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; cscfp = cmcf->servers.elts; for (m = 0; ngx_modules[m]; m++) { if (ngx_modules[m]->type != NGX_HTTP_MODULE) { continue; } module = ngx_modules[m]->ctx; mi = ngx_modules[m]->ctx_index; /* init http{} main_conf's */ if (module->init_main_conf) { rv = module->init_main_conf(cf, ctx->main_conf[mi]); if (rv != NGX_CONF_OK) { *cf = pcf; return rv; } } for (s = 0; s < cmcf->servers.nelts; s++) { /* merge the server{}s' srv_conf's */ if (module->merge_srv_conf) { rv = module->merge_srv_conf(cf, ctx->srv_conf[mi], cscfp[s]->ctx->srv_conf[mi]); if (rv != NGX_CONF_OK) { *cf = pcf; return rv; } } if (module->merge_loc_conf) { /* merge the server{}'s loc_conf */ rv = module->merge_loc_conf(cf, ctx->loc_conf[mi], cscfp[s]->ctx->loc_conf[mi]); if (rv != NGX_CONF_OK) { *cf = pcf; return rv; } /* merge the locations{}' loc_conf's */ rv = ngx_http_merge_locations(cf, &cscfp[s]->locations, cscfp[s]->ctx->loc_conf, module, mi); if (rv != NGX_CONF_OK) { *cf = pcf; return rv; } } } } /* init lists of the handlers */ if (ngx_array_init(&cmcf->phases[NGX_HTTP_POST_READ_PHASE].handlers, cf->pool, 1, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&cmcf->phases[NGX_HTTP_SERVER_REWRITE_PHASE].handlers, cf->pool, 1, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers, cf->pool, 1, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&cmcf->phases[NGX_HTTP_PREACCESS_PHASE].handlers, cf->pool, 1, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers, cf->pool, 2, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&cmcf->phases[NGX_HTTP_CONTENT_PHASE].handlers, cf->pool, 4, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers, cf->pool, 1, sizeof(ngx_http_handler_pt)) != NGX_OK) { return NGX_CONF_ERROR; } if (ngx_array_init(&headers_in, cf->temp_pool, 32, sizeof(ngx_hash_key_t)) != NGX_OK) { return NGX_CONF_ERROR; } for (header = ngx_http_headers_in; header->name.len; header++) { hk = ngx_array_push(&headers_in); if (hk == NULL) { return NGX_CONF_ERROR; } hk->key = header->name; hk->key_hash = ngx_hash_key_lc(header->name.data, header->name.len); hk->value = header; } hash.hash = &cmcf->headers_in_hash; hash.key = ngx_hash_key_lc; hash.max_size = 512; hash.bucket_size = ngx_align(64, ngx_cacheline_size); hash.name = "headers_in_hash"; hash.pool = cf->pool; hash.temp_pool = NULL; if (ngx_hash_init(&hash, headers_in.elts, headers_in.nelts) != NGX_OK) { return NGX_CONF_ERROR; } for (m = 0; ngx_modules[m]; m++) { if (ngx_modules[m]->type != NGX_HTTP_MODULE) { continue; } module = ngx_modules[m]->ctx; mi = ngx_modules[m]->ctx_index; if (module->postconfiguration) { if (module->postconfiguration(cf) != NGX_OK) { return NGX_CONF_ERROR; } } } if (ngx_http_variables_init_vars(cf) != NGX_OK) { return NGX_CONF_ERROR; } /* * http{}'s cf->ctx was needed while the configuration merging * and in postconfiguration process */ *cf = pcf; cmcf->phase_engine.server_rewrite_index = (ngx_uint_t) -1; find_config_index = 0; use_rewrite = cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers.nelts ? 1 : 0; use_access = cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers.nelts ? 1 : 0; n = use_rewrite + use_access + 1; /* find config phase */ for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) { n += cmcf->phases[i].handlers.nelts; } ph = ngx_pcalloc(cf->pool, n * sizeof(ngx_http_phase_handler_t) + sizeof(void *)); if (ph == NULL) { return NGX_CONF_ERROR; } cmcf->phase_engine.handlers = ph; n = 0; for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) { h = cmcf->phases[i].handlers.elts; switch (i) { case NGX_HTTP_SERVER_REWRITE_PHASE: if (cmcf->phase_engine.server_rewrite_index == (ngx_uint_t) -1) { cmcf->phase_engine.server_rewrite_index = n; } checker = ngx_http_core_generic_phase; break; case NGX_HTTP_FIND_CONFIG_PHASE: find_config_index = n; ph->checker = ngx_http_core_find_config_phase; n++; ph++; continue; case NGX_HTTP_POST_REWRITE_PHASE: if (use_rewrite) { ph->checker = ngx_http_core_post_rewrite_phase; ph->next = find_config_index; n++; ph++; } continue; case NGX_HTTP_ACCESS_PHASE: checker = ngx_http_core_access_phase; n++; break; case NGX_HTTP_POST_ACCESS_PHASE: if (use_access) { ph->checker = ngx_http_core_post_access_phase; ph->next = n; ph++; } continue; case NGX_HTTP_CONTENT_PHASE: checker = ngx_http_core_content_phase; break; default: checker = ngx_http_core_generic_phase; } n += cmcf->phases[i].handlers.nelts; for (j = cmcf->phases[i].handlers.nelts - 1; j >=0; j--) { ph->checker = checker; ph->handler = h[j]; ph->next = n; ph++; } } /* * create the lists of ports, addresses and server names * to quickly find the server core module configuration at run-time */ if (ngx_array_init(&in_ports, cf->temp_pool, 2, sizeof(ngx_http_conf_in_port_t)) != NGX_OK) { return NGX_CONF_ERROR; } /* "server" directives */ cscfp = cmcf->servers.elts; for (s = 0; s < cmcf->servers.nelts; s++) { /* "listen" directives */ lscf = cscfp[s]->listen.elts; for (l = 0; l < cscfp[s]->listen.nelts; l++) { /* AF_INET only */ in_port = in_ports.elts; for (p = 0; p < in_ports.nelts; p++) { if (lscf[l].port != in_port[p].port) { continue; } /* the port is already in the port list */ in_addr = in_port[p].addrs.elts; for (a = 0; a < in_port[p].addrs.nelts; a++) { if (lscf[l].addr != in_addr[a].addr) { continue; } /* the address is already in the address list */ if (ngx_http_add_names(cf, &in_addr[a], cscfp[s]) != NGX_OK) { return NGX_CONF_ERROR; } /* * check the duplicate "default" server * for this address:port */ if (lscf[l].conf.default_server) { if (in_addr[a].default_server) { ngx_log_error(NGX_LOG_ERR, cf->log, 0, "the duplicate default server in %V:%d", &lscf[l].file_name, lscf[l].line); return NGX_CONF_ERROR; } in_addr[a].core_srv_conf = cscfp[s]; in_addr[a].default_server = 1; } goto found; } /* * add the address to the addresses list that * bound to this port */ if (ngx_http_add_address(cf, &in_port[p], &lscf[l], cscfp[s]) != NGX_OK) { return NGX_CONF_ERROR; } goto found; } /* add the port to the in_port list */ in_port = ngx_array_push(&in_ports); if (in_port == NULL) { return NGX_CONF_ERROR; } in_port->port = lscf[l].port; in_port->addrs.elts = NULL; if (ngx_http_add_address(cf, in_port, &lscf[l], cscfp[s]) != NGX_OK) { return NGX_CONF_ERROR; } found: continue; } } /* optimize the lists of ports, addresses and server names */ /* AF_INET only */ in_port = in_ports.elts; for (p = 0; p < in_ports.nelts; p++) { ngx_sort(in_port[p].addrs.elts, (size_t) in_port[p].addrs.nelts, sizeof(ngx_http_conf_in_addr_t), ngx_http_cmp_conf_in_addrs); /* * check whether all name-based servers have the same configuraiton * as the default server, * or some servers disable optimizing the server names */ in_addr = in_port[p].addrs.elts; for (a = 0; a < in_port[p].addrs.nelts; a++) { name = in_addr[a].names.elts; for (s = 0; s < in_addr[a].names.nelts; s++) { if (in_addr[a].core_srv_conf != name[s].core_srv_conf || name[s].core_srv_conf->optimize_server_names == 0) { goto virtual_names; } } /* * if all name-based servers have the same configuration * as the default server, * and no servers disable optimizing the server names * then we do not need to check them at run-time at all */ in_addr[a].names.nelts = 0; continue; virtual_names: ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t)); ha.temp_pool = ngx_create_pool(16384, cf->log); if (ha.temp_pool == NULL) { return NGX_CONF_ERROR; } ha.pool = cf->pool; if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) { ngx_destroy_pool(ha.temp_pool); return NGX_CONF_ERROR; } name = in_addr[a].names.elts; for (s = 0; s < in_addr[a].names.nelts; s++) { rc = ngx_hash_add_key(&ha, &name[s].name, name[s].core_srv_conf, NGX_HASH_WILDCARD_KEY); if (rc == NGX_ERROR) { return NGX_CONF_ERROR; } if (rc == NGX_DECLINED) { ngx_log_error(NGX_LOG_EMERG, cf->log, 0, "invalid server name or wildcard \"%V\" on %s", &name[s].name, in_addr[a].listen_conf->addr); return NGX_CONF_ERROR; } if (rc == NGX_BUSY) { ngx_log_error(NGX_LOG_WARN, cf->log, 0, "conflicting server name \"%V\" on %s, ignored", &name[s].name, in_addr[a].listen_conf->addr); } } hash.key = ngx_hash_key_lc; hash.max_size = cmcf->server_names_hash_max_size; hash.bucket_size = cmcf->server_names_hash_bucket_size; hash.name = "server_names_hash"; hash.pool = cf->pool; if (ha.keys.nelts) { hash.hash = &in_addr[a].hash; hash.temp_pool = NULL; if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK) { ngx_destroy_pool(ha.temp_pool); return NGX_CONF_ERROR; } } if (ha.dns_wc_head.nelts) { ngx_qsort(ha.dns_wc_head.elts, (size_t) ha.dns_wc_head.nelts, sizeof(ngx_hash_key_t), ngx_http_cmp_dns_wildcards); hash.hash = NULL; hash.temp_pool = ha.temp_pool; if (ngx_hash_wildcard_init(&hash, ha.dns_wc_head.elts, ha.dns_wc_head.nelts) != NGX_OK) { ngx_destroy_pool(ha.temp_pool); return NGX_CONF_ERROR; } in_addr[a].wc_head = (ngx_hash_wildcard_t *) hash.hash; } if (ha.dns_wc_tail.nelts) { ngx_qsort(ha.dns_wc_tail.elts, (size_t) ha.dns_wc_tail.nelts, sizeof(ngx_hash_key_t), ngx_http_cmp_dns_wildcards); hash.hash = NULL; hash.temp_pool = ha.temp_pool; if (ngx_hash_wildcard_init(&hash, ha.dns_wc_tail.elts, ha.dns_wc_tail.nelts) != NGX_OK) { ngx_destroy_pool(ha.temp_pool); return NGX_CONF_ERROR; } in_addr[a].wc_tail = (ngx_hash_wildcard_t *) hash.hash; } ngx_destroy_pool(ha.temp_pool); } in_addr = in_port[p].addrs.elts; last = in_port[p].addrs.nelts; /* * if there is the binding to the "*:port" then we need to bind() * to the "*:port" only and ignore the other bindings */ if (in_addr[last - 1].addr == INADDR_ANY) { in_addr[last - 1].bind = 1; bind_all = 0; } else { bind_all = 1; } for (a = 0; a < last; /* void */ ) { if (!bind_all && !in_addr[a].bind) { a++; continue; } ls = ngx_listening_inet_stream_socket(cf, in_addr[a].addr, in_port[p].port); if (ls == NULL) { return NGX_CONF_ERROR; } ls->addr_ntop = 1; ls->handler = ngx_http_init_connection; cscf = in_addr[a].core_srv_conf; ls->pool_size = cscf->connection_pool_size; ls->post_accept_timeout = cscf->client_header_timeout; clcf = cscf->ctx->loc_conf[ngx_http_core_module.ctx_index]; ls->log = *clcf->err_log; ls->log.data = &ls->addr_text; ls->log.handler = ngx_accept_log_error; #if (NGX_WIN32) iocpcf = ngx_event_get_conf(cf->cycle->conf_ctx, ngx_iocp_module); if (iocpcf->acceptex_read) { ls->post_accept_buffer_size = cscf->client_header_buffer_size; } #endif ls->backlog = in_addr[a].listen_conf->backlog; ls->rcvbuf = in_addr[a].listen_conf->rcvbuf; ls->sndbuf = in_addr[a].listen_conf->sndbuf; #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER) ls->accept_filter = in_addr[a].listen_conf->accept_filter; #endif #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT) ls->deferred_accept = in_addr[a].listen_conf->deferred_accept; #endif hip = ngx_palloc(cf->pool, sizeof(ngx_http_in_port_t)); if (hip == NULL) { return NGX_CONF_ERROR; } hip->port = in_port[p].port; hip->port_text.data = ngx_palloc(cf->pool, 7); if (hip->port_text.data == NULL) { return NGX_CONF_ERROR; } ls->servers = hip; hip->port_text.len = ngx_sprintf(hip->port_text.data, ":%d", hip->port) - hip->port_text.data; in_addr = in_port[p].addrs.elts; if (in_addr[a].bind && in_addr[a].addr != INADDR_ANY) { hip->naddrs = 1; done = 0; } else if (in_port[p].addrs.nelts > 1 && in_addr[last - 1].addr == INADDR_ANY) { hip->naddrs = last; done = 1; } else { hip->naddrs = 1; done = 0; } #if 0 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, "%ui: %V %d %ui %ui", a, &ls->addr_text, in_addr[a].bind, hip->naddrs, last); #endif hip->addrs = ngx_pcalloc(cf->pool, hip->naddrs * sizeof(ngx_http_in_addr_t)); if (hip->addrs == NULL) { return NGX_CONF_ERROR; } for (i = 0; i < hip->naddrs; i++) { hip->addrs[i].addr = in_addr[i].addr; hip->addrs[i].core_srv_conf = in_addr[i].core_srv_conf; if (in_addr[i].hash.buckets == NULL && (in_addr[i].wc_head == NULL || in_addr[i].wc_head->hash.buckets == NULL) && (in_addr[i].wc_head == NULL || in_addr[i].wc_head->hash.buckets == NULL)) { continue; } vn = ngx_palloc(cf->pool, sizeof(ngx_http_virtual_names_t)); if (vn == NULL) { return NGX_CONF_ERROR; } hip->addrs[i].virtual_names = vn; vn->hash = in_addr[i].hash; vn->wc_head = in_addr[i].wc_head; vn->wc_tail = in_addr[i].wc_tail; } if (done) { break; } in_addr++; in_port[p].addrs.elts = in_addr; last--; a = 0; } } #if 0 { u_char address[20]; ngx_uint_t p, a; in_port = in_ports.elts; for (p = 0; p < in_ports.nelts; p++) { ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0, "port: %d %p", in_port[p].port, &in_port[p]); in_addr = in_port[p].addrs.elts; for (a = 0; a < in_port[p].addrs.nelts; a++) { ngx_inet_ntop(AF_INET, &in_addr[a].addr, address, 20); ngx_log_debug3(NGX_LOG_DEBUG_HTTP, cf->log, 0, "%s:%d %p", address, in_port[p].port, in_addr[a].core_srv_conf); name = in_addr[a].names.elts; for (n = 0; n < in_addr[a].names.nelts; n++) { ngx_log_debug4(NGX_LOG_DEBUG_HTTP, cf->log, 0, "%s:%d %V %p", address, in_port[p].port, &name[n].name, name[n].core_srv_conf); } } } } #endif return NGX_CONF_OK; } /* * add the server address, the server names and the server core module * configurations to the port (in_port) */ static ngx_int_t ngx_http_add_address(ngx_conf_t *cf, ngx_http_conf_in_port_t *in_port, ngx_http_listen_t *lscf, ngx_http_core_srv_conf_t *cscf) { ngx_http_conf_in_addr_t *in_addr; if (in_port->addrs.elts == NULL) { if (ngx_array_init(&in_port->addrs, cf->temp_pool, 4, sizeof(ngx_http_conf_in_addr_t)) != NGX_OK) { return NGX_ERROR; } } in_addr = ngx_array_push(&in_port->addrs); if (in_addr == NULL) { return NGX_ERROR; } in_addr->addr = lscf->addr; in_addr->hash.buckets = NULL; in_addr->hash.size = 0; in_addr->wc_head = NULL; in_addr->wc_tail = NULL; in_addr->names.elts = NULL; in_addr->core_srv_conf = cscf; in_addr->default_server = lscf->conf.default_server; in_addr->bind = lscf->conf.bind; in_addr->listen_conf = &lscf->conf; #if (NGX_DEBUG) { u_char text[20]; ngx_inet_ntop(AF_INET, &in_addr->addr, text, 20); ngx_log_debug2(NGX_LOG_DEBUG_HTTP, cf->log, 0, "address: %s:%d", text, in_port->port); } #endif return ngx_http_add_names(cf, in_addr, cscf); } /* * add the server names and the server core module * configurations to the address:port (in_addr) */ static ngx_int_t ngx_http_add_names(ngx_conf_t *cf, ngx_http_conf_in_addr_t *in_addr, ngx_http_core_srv_conf_t *cscf) { ngx_uint_t i, n; ngx_http_server_name_t *server_names, *name; if (in_addr->names.elts == NULL) { if (ngx_array_init(&in_addr->names, cf->temp_pool, 4, sizeof(ngx_http_server_name_t)) != NGX_OK) { return NGX_ERROR; } } server_names = cscf->server_names.elts; for (i = 0; i < cscf->server_names.nelts; i++) { for (n = 0; n < server_names[i].name.len; n++) { server_names[i].name.data[n] = ngx_tolower(server_names[i].name.data[n]); } ngx_log_debug1(NGX_LOG_DEBUG_HTTP, cf->log, 0, "name: %V", &server_names[i].name); name = ngx_array_push(&in_addr->names); if (name == NULL) { return NGX_ERROR; } *name = server_names[i]; } return NGX_OK; } static char * ngx_http_merge_locations(ngx_conf_t *cf, ngx_array_t *locations, void **loc_conf, ngx_http_module_t *module, ngx_uint_t ctx_index) { char *rv; ngx_uint_t i; ngx_http_core_loc_conf_t **clcfp; clcfp = locations->elts; for (i = 0; i < locations->nelts; i++) { rv = module->merge_loc_conf(cf, loc_conf[ctx_index], clcfp[i]->loc_conf[ctx_index]); if (rv != NGX_CONF_OK) { return rv; } if (clcfp[i]->locations == NULL) { continue; } rv = ngx_http_merge_locations(cf, clcfp[i]->locations, clcfp[i]->loc_conf, module, ctx_index); if (rv != NGX_CONF_OK) { return rv; } } return NGX_CONF_OK; } static int ngx_http_cmp_conf_in_addrs(const void *one, const void *two) { ngx_http_conf_in_addr_t *first, *second; first = (ngx_http_conf_in_addr_t *) one; second = (ngx_http_conf_in_addr_t *) two; if (first->addr == INADDR_ANY) { /* the INADDR_ANY must be the last resort, shift it to the end */ return 1; } if (first->bind && !second->bind) { /* shift explicit bind()ed addresses to the start */ return -1; } if (!first->bind && second->bind) { /* shift explicit bind()ed addresses to the start */ return 1; } /* do not sort by default */ return 0; } static int ngx_libc_cdecl ngx_http_cmp_dns_wildcards(const void *one, const void *two) { ngx_hash_key_t *first, *second; first = (ngx_hash_key_t *) one; second = (ngx_hash_key_t *) two; return ngx_strcmp(first->key.data, second->key.data); }