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src/stream/ngx_stream.c - nginx source code
Global variables defined
Functions defined
Source code
- #include <ngx_config.h>
- #include <ngx_core.h>
- #include <ngx_event.h>
- #include <ngx_stream.h>
- static char *ngx_stream_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
- static ngx_int_t ngx_stream_init_phases(ngx_conf_t *cf,
- ngx_stream_core_main_conf_t *cmcf);
- static ngx_int_t ngx_stream_init_phase_handlers(ngx_conf_t *cf,
- ngx_stream_core_main_conf_t *cmcf);
- static ngx_int_t ngx_stream_add_addresses(ngx_conf_t *cf,
- ngx_stream_core_srv_conf_t *cscf, ngx_stream_conf_port_t *port,
- ngx_stream_listen_opt_t *lsopt);
- static ngx_int_t ngx_stream_add_address(ngx_conf_t *cf,
- ngx_stream_core_srv_conf_t *cscf, ngx_stream_conf_port_t *port,
- ngx_stream_listen_opt_t *lsopt);
- static ngx_int_t ngx_stream_add_server(ngx_conf_t *cf,
- ngx_stream_core_srv_conf_t *cscf, ngx_stream_conf_addr_t *addr);
- static ngx_int_t ngx_stream_optimize_servers(ngx_conf_t *cf,
- ngx_stream_core_main_conf_t *cmcf, ngx_array_t *ports);
- static ngx_int_t ngx_stream_server_names(ngx_conf_t *cf,
- ngx_stream_core_main_conf_t *cmcf, ngx_stream_conf_addr_t *addr);
- static ngx_int_t ngx_stream_cmp_conf_addrs(const void *one, const void *two);
- static int ngx_libc_cdecl ngx_stream_cmp_dns_wildcards(const void *one,
- const void *two);
- static ngx_int_t ngx_stream_init_listening(ngx_conf_t *cf,
- ngx_stream_conf_port_t *port);
- static ngx_listening_t *ngx_stream_add_listening(ngx_conf_t *cf,
- ngx_stream_conf_addr_t *addr);
- static ngx_int_t ngx_stream_add_addrs(ngx_conf_t *cf, ngx_stream_port_t *stport,
- ngx_stream_conf_addr_t *addr);
- #if (NGX_HAVE_INET6)
- static ngx_int_t ngx_stream_add_addrs6(ngx_conf_t *cf,
- ngx_stream_port_t *stport, ngx_stream_conf_addr_t *addr);
- #endif
- ngx_uint_t ngx_stream_max_module;
- ngx_stream_filter_pt ngx_stream_top_filter;
- static ngx_command_t ngx_stream_commands[] = {
- { ngx_string("stream"),
- NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
- ngx_stream_block,
- 0,
- 0,
- NULL },
- ngx_null_command
- };
- static ngx_core_module_t ngx_stream_module_ctx = {
- ngx_string("stream"),
- NULL,
- NULL
- };
- ngx_module_t ngx_stream_module = {
- NGX_MODULE_V1,
- &ngx_stream_module_ctx,
- ngx_stream_commands,
- NGX_CORE_MODULE,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NGX_MODULE_V1_PADDING
- };
- static char *
- ngx_stream_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
- {
- char *rv;
- ngx_uint_t mi, m, s;
- ngx_conf_t pcf;
- ngx_stream_module_t *module;
- ngx_stream_conf_ctx_t *ctx;
- ngx_stream_core_srv_conf_t **cscfp;
- ngx_stream_core_main_conf_t *cmcf;
- if (*(ngx_stream_conf_ctx_t **) conf) {
- return "is duplicate";
- }
-
- ctx = ngx_pcalloc(cf->pool, sizeof(ngx_stream_conf_ctx_t));
- if (ctx == NULL) {
- return NGX_CONF_ERROR;
- }
- *(ngx_stream_conf_ctx_t **) conf = ctx;
-
- ngx_stream_max_module = ngx_count_modules(cf->cycle, NGX_STREAM_MODULE);
-
- ctx->main_conf = ngx_pcalloc(cf->pool,
- sizeof(void *) * ngx_stream_max_module);
- if (ctx->main_conf == NULL) {
- return NGX_CONF_ERROR;
- }
-
- ctx->srv_conf = ngx_pcalloc(cf->pool,
- sizeof(void *) * ngx_stream_max_module);
- if (ctx->srv_conf == NULL) {
- return NGX_CONF_ERROR;
- }
-
- for (m = 0; cf->cycle->modules[m]; m++) {
- if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) {
- continue;
- }
- module = cf->cycle->modules[m]->ctx;
- mi = cf->cycle->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;
- }
- }
- }
- pcf = *cf;
- cf->ctx = ctx;
- for (m = 0; cf->cycle->modules[m]; m++) {
- if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) {
- continue;
- }
- module = cf->cycle->modules[m]->ctx;
- if (module->preconfiguration) {
- if (module->preconfiguration(cf) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- }
- }
-
- cf->module_type = NGX_STREAM_MODULE;
- cf->cmd_type = NGX_STREAM_MAIN_CONF;
- rv = ngx_conf_parse(cf, NULL);
- if (rv != NGX_CONF_OK) {
- *cf = pcf;
- return rv;
- }
-
- cmcf = ctx->main_conf[ngx_stream_core_module.ctx_index];
- cscfp = cmcf->servers.elts;
- for (m = 0; cf->cycle->modules[m]; m++) {
- if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) {
- continue;
- }
- module = cf->cycle->modules[m]->ctx;
- mi = cf->cycle->modules[m]->ctx_index;
-
- cf->ctx = ctx;
- 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++) {
-
- cf->ctx = cscfp[s]->ctx;
- 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 (ngx_stream_init_phases(cf, cmcf) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- for (m = 0; cf->cycle->modules[m]; m++) {
- if (cf->cycle->modules[m]->type != NGX_STREAM_MODULE) {
- continue;
- }
- module = cf->cycle->modules[m]->ctx;
- if (module->postconfiguration) {
- if (module->postconfiguration(cf) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- }
- }
- if (ngx_stream_variables_init_vars(cf) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- *cf = pcf;
- if (ngx_stream_init_phase_handlers(cf, cmcf) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
-
- if (ngx_stream_optimize_servers(cf, cmcf, cmcf->ports) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- return NGX_CONF_OK;
- }
- static ngx_int_t
- ngx_stream_init_phases(ngx_conf_t *cf, ngx_stream_core_main_conf_t *cmcf)
- {
- if (ngx_array_init(&cmcf->phases[NGX_STREAM_POST_ACCEPT_PHASE].handlers,
- cf->pool, 1, sizeof(ngx_stream_handler_pt))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- if (ngx_array_init(&cmcf->phases[NGX_STREAM_PREACCESS_PHASE].handlers,
- cf->pool, 1, sizeof(ngx_stream_handler_pt))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- if (ngx_array_init(&cmcf->phases[NGX_STREAM_ACCESS_PHASE].handlers,
- cf->pool, 1, sizeof(ngx_stream_handler_pt))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- if (ngx_array_init(&cmcf->phases[NGX_STREAM_SSL_PHASE].handlers,
- cf->pool, 1, sizeof(ngx_stream_handler_pt))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- if (ngx_array_init(&cmcf->phases[NGX_STREAM_PREREAD_PHASE].handlers,
- cf->pool, 1, sizeof(ngx_stream_handler_pt))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- if (ngx_array_init(&cmcf->phases[NGX_STREAM_LOG_PHASE].handlers,
- cf->pool, 1, sizeof(ngx_stream_handler_pt))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- return NGX_OK;
- }
- static ngx_int_t
- ngx_stream_init_phase_handlers(ngx_conf_t *cf,
- ngx_stream_core_main_conf_t *cmcf)
- {
- ngx_int_t j;
- ngx_uint_t i, n;
- ngx_stream_handler_pt *h;
- ngx_stream_phase_handler_t *ph;
- ngx_stream_phase_handler_pt checker;
- n = 1 ;
- for (i = 0; i < NGX_STREAM_LOG_PHASE; i++) {
- n += cmcf->phases[i].handlers.nelts;
- }
- ph = ngx_pcalloc(cf->pool,
- n * sizeof(ngx_stream_phase_handler_t) + sizeof(void *));
- if (ph == NULL) {
- return NGX_ERROR;
- }
- cmcf->phase_engine.handlers = ph;
- n = 0;
- for (i = 0; i < NGX_STREAM_LOG_PHASE; i++) {
- h = cmcf->phases[i].handlers.elts;
- switch (i) {
- case NGX_STREAM_PREREAD_PHASE:
- checker = ngx_stream_core_preread_phase;
- break;
- case NGX_STREAM_CONTENT_PHASE:
- ph->checker = ngx_stream_core_content_phase;
- n++;
- ph++;
- continue;
- default:
- checker = ngx_stream_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++;
- }
- }
- return NGX_OK;
- }
- ngx_int_t
- ngx_stream_add_listen(ngx_conf_t *cf, ngx_stream_core_srv_conf_t *cscf,
- ngx_stream_listen_opt_t *lsopt)
- {
- in_port_t p;
- ngx_uint_t i;
- struct sockaddr *sa;
- ngx_stream_conf_port_t *port;
- ngx_stream_core_main_conf_t *cmcf;
- cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module);
- if (cmcf->ports == NULL) {
- cmcf->ports = ngx_array_create(cf->temp_pool, 2,
- sizeof(ngx_stream_conf_port_t));
- if (cmcf->ports == NULL) {
- return NGX_ERROR;
- }
- }
- sa = lsopt->sockaddr;
- p = ngx_inet_get_port(sa);
- port = cmcf->ports->elts;
- for (i = 0; i < cmcf->ports->nelts; i++) {
- if (p != port[i].port
- || lsopt->type != port[i].type
- || sa->sa_family != port[i].family)
- {
- continue;
- }
-
- return ngx_stream_add_addresses(cf, cscf, &port[i], lsopt);
- }
-
- port = ngx_array_push(cmcf->ports);
- if (port == NULL) {
- return NGX_ERROR;
- }
- port->family = sa->sa_family;
- port->type = lsopt->type;
- port->port = p;
- port->addrs.elts = NULL;
- return ngx_stream_add_address(cf, cscf, port, lsopt);
- }
- static ngx_int_t
- ngx_stream_add_addresses(ngx_conf_t *cf, ngx_stream_core_srv_conf_t *cscf,
- ngx_stream_conf_port_t *port, ngx_stream_listen_opt_t *lsopt)
- {
- ngx_uint_t i, default_server, proxy_protocol,
- protocols, protocols_prev;
- ngx_stream_conf_addr_t *addr;
- #if (NGX_STREAM_SSL)
- ngx_uint_t ssl;
- #endif
-
- addr = port->addrs.elts;
- for (i = 0; i < port->addrs.nelts; i++) {
- if (ngx_cmp_sockaddr(lsopt->sockaddr, lsopt->socklen,
- addr[i].opt.sockaddr,
- addr[i].opt.socklen, 0)
- != NGX_OK)
- {
- continue;
- }
-
- if (ngx_stream_add_server(cf, cscf, &addr[i]) != NGX_OK) {
- return NGX_ERROR;
- }
-
- default_server = addr[i].opt.default_server;
- proxy_protocol = lsopt->proxy_protocol || addr[i].opt.proxy_protocol;
- protocols = lsopt->proxy_protocol;
- protocols_prev = addr[i].opt.proxy_protocol;
- #if (NGX_STREAM_SSL)
- ssl = lsopt->ssl || addr[i].opt.ssl;
- protocols |= lsopt->ssl << 1;
- protocols_prev |= addr[i].opt.ssl << 1;
- #endif
- if (lsopt->set) {
- if (addr[i].opt.set) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "duplicate listen options for %V",
- &addr[i].opt.addr_text);
- return NGX_ERROR;
- }
- addr[i].opt = *lsopt;
- }
-
- if (lsopt->default_server) {
- if (default_server) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "a duplicate default server for %V",
- &addr[i].opt.addr_text);
- return NGX_ERROR;
- }
- default_server = 1;
- addr[i].default_server = cscf;
- }
-
- if ((protocols | protocols_prev) != protocols_prev) {
-
- if ((addr[i].opt.set && !lsopt->set)
- || addr[i].protocols_changed
- || (protocols | protocols_prev) != protocols)
- {
- ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "protocol options redefined for %V",
- &addr[i].opt.addr_text);
- }
- addr[i].protocols = protocols_prev;
- addr[i].protocols_set = 1;
- addr[i].protocols_changed = 1;
- } else if ((protocols_prev | protocols) != protocols) {
-
- if (lsopt->set
- || (addr[i].protocols_set && protocols != addr[i].protocols))
- {
- ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "protocol options redefined for %V",
- &addr[i].opt.addr_text);
- }
- addr[i].protocols = protocols;
- addr[i].protocols_set = 1;
- addr[i].protocols_changed = 1;
- } else {
-
- if ((lsopt->set && addr[i].protocols_changed)
- || (addr[i].protocols_set && protocols != addr[i].protocols))
- {
- ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "protocol options redefined for %V",
- &addr[i].opt.addr_text);
- }
- addr[i].protocols = protocols;
- addr[i].protocols_set = 1;
- }
- addr[i].opt.default_server = default_server;
- addr[i].opt.proxy_protocol = proxy_protocol;
- #if (NGX_STREAM_SSL)
- addr[i].opt.ssl = ssl;
- #endif
- return NGX_OK;
- }
-
- return ngx_stream_add_address(cf, cscf, port, lsopt);
- }
- static ngx_int_t
- ngx_stream_add_address(ngx_conf_t *cf, ngx_stream_core_srv_conf_t *cscf,
- ngx_stream_conf_port_t *port, ngx_stream_listen_opt_t *lsopt)
- {
- ngx_stream_conf_addr_t *addr;
- if (port->addrs.elts == NULL) {
- if (ngx_array_init(&port->addrs, cf->temp_pool, 4,
- sizeof(ngx_stream_conf_addr_t))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- }
- addr = ngx_array_push(&port->addrs);
- if (addr == NULL) {
- return NGX_ERROR;
- }
- addr->opt = *lsopt;
- addr->protocols = 0;
- addr->protocols_set = 0;
- addr->protocols_changed = 0;
- addr->hash.buckets = NULL;
- addr->hash.size = 0;
- addr->wc_head = NULL;
- addr->wc_tail = NULL;
- #if (NGX_PCRE)
- addr->nregex = 0;
- addr->regex = NULL;
- #endif
- addr->default_server = cscf;
- addr->servers.elts = NULL;
- return ngx_stream_add_server(cf, cscf, addr);
- }
- static ngx_int_t
- ngx_stream_add_server(ngx_conf_t *cf, ngx_stream_core_srv_conf_t *cscf,
- ngx_stream_conf_addr_t *addr)
- {
- ngx_uint_t i;
- ngx_stream_core_srv_conf_t **server;
- if (addr->servers.elts == NULL) {
- if (ngx_array_init(&addr->servers, cf->temp_pool, 4,
- sizeof(ngx_stream_core_srv_conf_t *))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- } else {
- server = addr->servers.elts;
- for (i = 0; i < addr->servers.nelts; i++) {
- if (server[i] == cscf) {
- ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
- "a duplicate listen %V",
- &addr->opt.addr_text);
- return NGX_ERROR;
- }
- }
- }
- server = ngx_array_push(&addr->servers);
- if (server == NULL) {
- return NGX_ERROR;
- }
- *server = cscf;
- return NGX_OK;
- }
- static ngx_int_t
- ngx_stream_optimize_servers(ngx_conf_t *cf, ngx_stream_core_main_conf_t *cmcf,
- ngx_array_t *ports)
- {
- ngx_uint_t p, a;
- ngx_stream_conf_port_t *port;
- ngx_stream_conf_addr_t *addr;
- if (ports == NULL) {
- return NGX_OK;
- }
- port = ports->elts;
- for (p = 0; p < ports->nelts; p++) {
- ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts,
- sizeof(ngx_stream_conf_addr_t), ngx_stream_cmp_conf_addrs);
-
- addr = port[p].addrs.elts;
- for (a = 0; a < port[p].addrs.nelts; a++) {
- if (addr[a].servers.nelts > 1
- #if (NGX_PCRE)
- || addr[a].default_server->captures
- #endif
- )
- {
- if (ngx_stream_server_names(cf, cmcf, &addr[a]) != NGX_OK) {
- return NGX_ERROR;
- }
- }
- }
- if (ngx_stream_init_listening(cf, &port[p]) != NGX_OK) {
- return NGX_ERROR;
- }
- }
- return NGX_OK;
- }
- static ngx_int_t
- ngx_stream_server_names(ngx_conf_t *cf, ngx_stream_core_main_conf_t *cmcf,
- ngx_stream_conf_addr_t *addr)
- {
- ngx_int_t rc;
- ngx_uint_t n, s;
- ngx_hash_init_t hash;
- ngx_hash_keys_arrays_t ha;
- ngx_stream_server_name_t *name;
- ngx_stream_core_srv_conf_t **cscfp;
- #if (NGX_PCRE)
- ngx_uint_t regex, i;
- regex = 0;
- #endif
- ngx_memzero(&ha, sizeof(ngx_hash_keys_arrays_t));
- ha.temp_pool = ngx_create_pool(NGX_DEFAULT_POOL_SIZE, cf->log);
- if (ha.temp_pool == NULL) {
- return NGX_ERROR;
- }
- ha.pool = cf->pool;
- if (ngx_hash_keys_array_init(&ha, NGX_HASH_LARGE) != NGX_OK) {
- goto failed;
- }
- cscfp = addr->servers.elts;
- for (s = 0; s < addr->servers.nelts; s++) {
- name = cscfp[s]->server_names.elts;
- for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
- #if (NGX_PCRE)
- if (name[n].regex) {
- regex++;
- continue;
- }
- #endif
- rc = ngx_hash_add_key(&ha, &name[n].name, name[n].server,
- NGX_HASH_WILDCARD_KEY);
- if (rc == NGX_ERROR) {
- goto failed;
- }
- if (rc == NGX_DECLINED) {
- ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
- "invalid server name or wildcard \"%V\" on %V",
- &name[n].name, &addr->opt.addr_text);
- goto failed;
- }
- if (rc == NGX_BUSY) {
- ngx_log_error(NGX_LOG_WARN, cf->log, 0,
- "conflicting server name \"%V\" on %V, ignored",
- &name[n].name, &addr->opt.addr_text);
- }
- }
- }
- 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 = &addr->hash;
- hash.temp_pool = NULL;
- if (ngx_hash_init(&hash, ha.keys.elts, ha.keys.nelts) != NGX_OK) {
- goto failed;
- }
- }
- 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_stream_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)
- {
- goto failed;
- }
- addr->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_stream_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)
- {
- goto failed;
- }
- addr->wc_tail = (ngx_hash_wildcard_t *) hash.hash;
- }
- ngx_destroy_pool(ha.temp_pool);
- #if (NGX_PCRE)
- if (regex == 0) {
- return NGX_OK;
- }
- addr->nregex = regex;
- addr->regex = ngx_palloc(cf->pool,
- regex * sizeof(ngx_stream_server_name_t));
- if (addr->regex == NULL) {
- return NGX_ERROR;
- }
- i = 0;
- for (s = 0; s < addr->servers.nelts; s++) {
- name = cscfp[s]->server_names.elts;
- for (n = 0; n < cscfp[s]->server_names.nelts; n++) {
- if (name[n].regex) {
- addr->regex[i++] = name[n];
- }
- }
- }
- #endif
- return NGX_OK;
- failed:
- ngx_destroy_pool(ha.temp_pool);
- return NGX_ERROR;
- }
- static ngx_int_t
- ngx_stream_cmp_conf_addrs(const void *one, const void *two)
- {
- ngx_stream_conf_addr_t *first, *second;
- first = (ngx_stream_conf_addr_t *) one;
- second = (ngx_stream_conf_addr_t *) two;
- if (first->opt.wildcard) {
-
- return 1;
- }
- if (second->opt.wildcard) {
-
- return -1;
- }
- if (first->opt.bind && !second->opt.bind) {
-
- return -1;
- }
- if (!first->opt.bind && second->opt.bind) {
-
- return 1;
- }
-
- return 0;
- }
- static int ngx_libc_cdecl
- ngx_stream_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_dns_strcmp(first->key.data, second->key.data);
- }
- static ngx_int_t
- ngx_stream_init_listening(ngx_conf_t *cf, ngx_stream_conf_port_t *port)
- {
- ngx_uint_t i, last, bind_wildcard;
- ngx_listening_t *ls;
- ngx_stream_port_t *stport;
- ngx_stream_conf_addr_t *addr;
- addr = port->addrs.elts;
- last = port->addrs.nelts;
-
- if (addr[last - 1].opt.wildcard) {
- addr[last - 1].opt.bind = 1;
- bind_wildcard = 1;
- } else {
- bind_wildcard = 0;
- }
- i = 0;
- while (i < last) {
- if (bind_wildcard && !addr[i].opt.bind) {
- i++;
- continue;
- }
- ls = ngx_stream_add_listening(cf, &addr[i]);
- if (ls == NULL) {
- return NGX_ERROR;
- }
- stport = ngx_pcalloc(cf->pool, sizeof(ngx_stream_port_t));
- if (stport == NULL) {
- return NGX_ERROR;
- }
- ls->servers = stport;
- stport->naddrs = i + 1;
- switch (ls->sockaddr->sa_family) {
- #if (NGX_HAVE_INET6)
- case AF_INET6:
- if (ngx_stream_add_addrs6(cf, stport, addr) != NGX_OK) {
- return NGX_ERROR;
- }
- break;
- #endif
- default:
- if (ngx_stream_add_addrs(cf, stport, addr) != NGX_OK) {
- return NGX_ERROR;
- }
- break;
- }
- addr++;
- last--;
- }
- return NGX_OK;
- }
- static ngx_listening_t *
- ngx_stream_add_listening(ngx_conf_t *cf, ngx_stream_conf_addr_t *addr)
- {
- ngx_listening_t *ls;
- ngx_stream_core_srv_conf_t *cscf;
- ls = ngx_create_listening(cf, addr->opt.sockaddr, addr->opt.socklen);
- if (ls == NULL) {
- return NULL;
- }
- ls->addr_ntop = 1;
- ls->handler = ngx_stream_init_connection;
- ls->pool_size = 256;
- cscf = addr->default_server;
- ls->logp = cscf->error_log;
- ls->log.data = &ls->addr_text;
- ls->log.handler = ngx_accept_log_error;
- ls->type = addr->opt.type;
- ls->backlog = addr->opt.backlog;
- ls->rcvbuf = addr->opt.rcvbuf;
- ls->sndbuf = addr->opt.sndbuf;
- ls->keepalive = addr->opt.so_keepalive;
- #if (NGX_HAVE_KEEPALIVE_TUNABLE)
- ls->keepidle = addr->opt.tcp_keepidle;
- ls->keepintvl = addr->opt.tcp_keepintvl;
- ls->keepcnt = addr->opt.tcp_keepcnt;
- #endif
- #if (NGX_HAVE_DEFERRED_ACCEPT && defined SO_ACCEPTFILTER)
- ls->accept_filter = addr->opt.accept_filter;
- #endif
- #if (NGX_HAVE_DEFERRED_ACCEPT && defined TCP_DEFER_ACCEPT)
- ls->deferred_accept = addr->opt.deferred_accept;
- #endif
- #if (NGX_HAVE_INET6)
- ls->ipv6only = addr->opt.ipv6only;
- #endif
- #if (NGX_HAVE_SETFIB)
- ls->setfib = addr->opt.setfib;
- #endif
- #if (NGX_HAVE_TCP_FASTOPEN)
- ls->fastopen = addr->opt.fastopen;
- #endif
- #if (NGX_HAVE_REUSEPORT)
- ls->reuseport = addr->opt.reuseport;
- #endif
- ls->wildcard = addr->opt.wildcard;
- return ls;
- }
- static ngx_int_t
- ngx_stream_add_addrs(ngx_conf_t *cf, ngx_stream_port_t *stport,
- ngx_stream_conf_addr_t *addr)
- {
- ngx_uint_t i;
- struct sockaddr_in *sin;
- ngx_stream_in_addr_t *addrs;
- ngx_stream_virtual_names_t *vn;
- stport->addrs = ngx_pcalloc(cf->pool,
- stport->naddrs * sizeof(ngx_stream_in_addr_t));
- if (stport->addrs == NULL) {
- return NGX_ERROR;
- }
- addrs = stport->addrs;
- for (i = 0; i < stport->naddrs; i++) {
- sin = (struct sockaddr_in *) addr[i].opt.sockaddr;
- addrs[i].addr = sin->sin_addr.s_addr;
- addrs[i].conf.default_server = addr[i].default_server;
- #if (NGX_STREAM_SSL)
- addrs[i].conf.ssl = addr[i].opt.ssl;
- #endif
- addrs[i].conf.proxy_protocol = addr[i].opt.proxy_protocol;
- if (addr[i].hash.buckets == NULL
- && (addr[i].wc_head == NULL
- || addr[i].wc_head->hash.buckets == NULL)
- && (addr[i].wc_tail == NULL
- || addr[i].wc_tail->hash.buckets == NULL)
- #if (NGX_PCRE)
- && addr[i].nregex == 0
- #endif
- )
- {
- continue;
- }
- vn = ngx_palloc(cf->pool, sizeof(ngx_stream_virtual_names_t));
- if (vn == NULL) {
- return NGX_ERROR;
- }
- addrs[i].conf.virtual_names = vn;
- vn->names.hash = addr[i].hash;
- vn->names.wc_head = addr[i].wc_head;
- vn->names.wc_tail = addr[i].wc_tail;
- #if (NGX_PCRE)
- vn->nregex = addr[i].nregex;
- vn->regex = addr[i].regex;
- #endif
- }
- return NGX_OK;
- }
- #if (NGX_HAVE_INET6)
- static ngx_int_t
- ngx_stream_add_addrs6(ngx_conf_t *cf, ngx_stream_port_t *stport,
- ngx_stream_conf_addr_t *addr)
- {
- ngx_uint_t i;
- struct sockaddr_in6 *sin6;
- ngx_stream_in6_addr_t *addrs6;
- ngx_stream_virtual_names_t *vn;
- stport->addrs = ngx_pcalloc(cf->pool,
- stport->naddrs * sizeof(ngx_stream_in6_addr_t));
- if (stport->addrs == NULL) {
- return NGX_ERROR;
- }
- addrs6 = stport->addrs;
- for (i = 0; i < stport->naddrs; i++) {
- sin6 = (struct sockaddr_in6 *) addr[i].opt.sockaddr;
- addrs6[i].addr6 = sin6->sin6_addr;
- addrs6[i].conf.default_server = addr[i].default_server;
- #if (NGX_STREAM_SSL)
- addrs6[i].conf.ssl = addr[i].opt.ssl;
- #endif
- addrs6[i].conf.proxy_protocol = addr[i].opt.proxy_protocol;
- if (addr[i].hash.buckets == NULL
- && (addr[i].wc_head == NULL
- || addr[i].wc_head->hash.buckets == NULL)
- && (addr[i].wc_tail == NULL
- || addr[i].wc_tail->hash.buckets == NULL)
- #if (NGX_PCRE)
- && addr[i].nregex == 0
- #endif
- )
- {
- continue;
- }
- vn = ngx_palloc(cf->pool, sizeof(ngx_stream_virtual_names_t));
- if (vn == NULL) {
- return NGX_ERROR;
- }
- addrs6[i].conf.virtual_names = vn;
- vn->names.hash = addr[i].hash;
- vn->names.wc_head = addr[i].wc_head;
- vn->names.wc_tail = addr[i].wc_tail;
- #if (NGX_PCRE)
- vn->nregex = addr[i].nregex;
- vn->regex = addr[i].regex;
- #endif
- }
- return NGX_OK;
- }
- #endif
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