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-rw-r--r--app/nginx/src/stream/ngx_stream.c683
1 files changed, 0 insertions, 683 deletions
diff --git a/app/nginx/src/stream/ngx_stream.c b/app/nginx/src/stream/ngx_stream.c
deleted file mode 100644
index 4a394d7..0000000
--- a/app/nginx/src/stream/ngx_stream.c
+++ /dev/null
@@ -1,683 +0,0 @@
-
-/*
- * Copyright (C) Roman Arutyunyan
- * Copyright (C) Nginx, Inc.
- */
-
-
-#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_ports(ngx_conf_t *cf, ngx_array_t *ports,
- ngx_stream_listen_t *listen);
-static char *ngx_stream_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports);
-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
-static ngx_int_t ngx_stream_cmp_conf_addrs(const void *one, const void *two);
-
-
-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, /* module context */
- ngx_stream_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_stream_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
-{
- char *rv;
- ngx_uint_t i, m, mi, s;
- ngx_conf_t pcf;
- ngx_array_t ports;
- ngx_stream_listen_t *listen;
- 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";
- }
-
- /* the main stream context */
-
- 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;
-
- /* count the number of the stream modules and set up their indices */
-
- ngx_stream_max_module = ngx_count_modules(cf->cycle, NGX_STREAM_MODULE);
-
-
- /* the stream main_conf context, it's the same in the all stream contexts */
-
- ctx->main_conf = ngx_pcalloc(cf->pool,
- sizeof(void *) * ngx_stream_max_module);
- if (ctx->main_conf == NULL) {
- return NGX_CONF_ERROR;
- }
-
-
- /*
- * the stream 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_stream_max_module);
- if (ctx->srv_conf == NULL) {
- return NGX_CONF_ERROR;
- }
-
-
- /*
- * create the main_conf's and the null srv_conf's of the all stream modules
- */
-
- 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;
- }
- }
- }
-
-
- /* parse inside the stream{} block */
-
- 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;
- }
-
-
- /* init stream{} main_conf's, merge the server{}s' srv_conf's */
-
- 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;
-
- /* init stream{} main_conf's */
-
- 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++) {
-
- /* merge the server{}s' srv_conf'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_array_init(&ports, cf->temp_pool, 4, sizeof(ngx_stream_conf_port_t))
- != NGX_OK)
- {
- return NGX_CONF_ERROR;
- }
-
- listen = cmcf->listen.elts;
-
- for (i = 0; i < cmcf->listen.nelts; i++) {
- if (ngx_stream_add_ports(cf, &ports, &listen[i]) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- }
-
- return ngx_stream_optimize_servers(cf, &ports);
-}
-
-
-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 /* content phase */;
-
- 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;
-}
-
-
-static ngx_int_t
-ngx_stream_add_ports(ngx_conf_t *cf, ngx_array_t *ports,
- ngx_stream_listen_t *listen)
-{
- in_port_t p;
- ngx_uint_t i;
- struct sockaddr *sa;
- ngx_stream_conf_port_t *port;
- ngx_stream_conf_addr_t *addr;
-
- sa = &listen->sockaddr.sockaddr;
- p = ngx_inet_get_port(sa);
-
- port = ports->elts;
- for (i = 0; i < ports->nelts; i++) {
-
- if (p == port[i].port
- && listen->type == port[i].type
- && sa->sa_family == port[i].family)
- {
- /* a port is already in the port list */
-
- port = &port[i];
- goto found;
- }
- }
-
- /* add a port to the port list */
-
- port = ngx_array_push(ports);
- if (port == NULL) {
- return NGX_ERROR;
- }
-
- port->family = sa->sa_family;
- port->type = listen->type;
- port->port = p;
-
- if (ngx_array_init(&port->addrs, cf->temp_pool, 2,
- sizeof(ngx_stream_conf_addr_t))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
-
-found:
-
- addr = ngx_array_push(&port->addrs);
- if (addr == NULL) {
- return NGX_ERROR;
- }
-
- addr->opt = *listen;
-
- return NGX_OK;
-}
-
-
-static char *
-ngx_stream_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports)
-{
- ngx_uint_t i, p, last, bind_wildcard;
- ngx_listening_t *ls;
- ngx_stream_port_t *stport;
- ngx_stream_conf_port_t *port;
- ngx_stream_conf_addr_t *addr;
- ngx_stream_core_srv_conf_t *cscf;
-
- 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;
- last = 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 (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_create_listening(cf, &addr[i].opt.sockaddr.sockaddr,
- addr[i].opt.socklen);
- if (ls == NULL) {
- return NGX_CONF_ERROR;
- }
-
- ls->addr_ntop = 1;
- ls->handler = ngx_stream_init_connection;
- ls->pool_size = 256;
- ls->type = addr[i].opt.type;
-
- cscf = addr->opt.ctx->srv_conf[ngx_stream_core_module.ctx_index];
-
- ls->logp = cscf->error_log;
- ls->log.data = &ls->addr_text;
- ls->log.handler = ngx_accept_log_error;
-
- ls->backlog = addr[i].opt.backlog;
-
- ls->wildcard = addr[i].opt.wildcard;
-
- ls->keepalive = addr[i].opt.so_keepalive;
-#if (NGX_HAVE_KEEPALIVE_TUNABLE)
- ls->keepidle = addr[i].opt.tcp_keepidle;
- ls->keepintvl = addr[i].opt.tcp_keepintvl;
- ls->keepcnt = addr[i].opt.tcp_keepcnt;
-#endif
-
-#if (NGX_HAVE_INET6)
- ls->ipv6only = addr[i].opt.ipv6only;
-#endif
-
-#if (NGX_HAVE_REUSEPORT)
- ls->reuseport = addr[i].opt.reuseport;
-#endif
-
- stport = ngx_palloc(cf->pool, sizeof(ngx_stream_port_t));
- if (stport == NULL) {
- return NGX_CONF_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_CONF_ERROR;
- }
- break;
-#endif
- default: /* AF_INET */
- if (ngx_stream_add_addrs(cf, stport, addr) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- break;
- }
-
- if (ngx_clone_listening(cf, ls) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
-
- addr++;
- last--;
- }
- }
-
- return NGX_CONF_OK;
-}
-
-
-static ngx_int_t
-ngx_stream_add_addrs(ngx_conf_t *cf, ngx_stream_port_t *stport,
- ngx_stream_conf_addr_t *addr)
-{
- u_char *p;
- size_t len;
- ngx_uint_t i;
- struct sockaddr_in *sin;
- ngx_stream_in_addr_t *addrs;
- u_char buf[NGX_SOCKADDR_STRLEN];
-
- 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 = &addr[i].opt.sockaddr.sockaddr_in;
- addrs[i].addr = sin->sin_addr.s_addr;
-
- addrs[i].conf.ctx = addr[i].opt.ctx;
-#if (NGX_STREAM_SSL)
- addrs[i].conf.ssl = addr[i].opt.ssl;
-#endif
- addrs[i].conf.proxy_protocol = addr[i].opt.proxy_protocol;
-
- len = ngx_sock_ntop(&addr[i].opt.sockaddr.sockaddr, addr[i].opt.socklen,
- buf, NGX_SOCKADDR_STRLEN, 1);
-
- p = ngx_pnalloc(cf->pool, len);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(p, buf, len);
-
- addrs[i].conf.addr_text.len = len;
- addrs[i].conf.addr_text.data = p;
- }
-
- 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)
-{
- u_char *p;
- size_t len;
- ngx_uint_t i;
- struct sockaddr_in6 *sin6;
- ngx_stream_in6_addr_t *addrs6;
- u_char buf[NGX_SOCKADDR_STRLEN];
-
- 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 = &addr[i].opt.sockaddr.sockaddr_in6;
- addrs6[i].addr6 = sin6->sin6_addr;
-
- addrs6[i].conf.ctx = addr[i].opt.ctx;
-#if (NGX_STREAM_SSL)
- addrs6[i].conf.ssl = addr[i].opt.ssl;
-#endif
- addrs6[i].conf.proxy_protocol = addr[i].opt.proxy_protocol;
-
- len = ngx_sock_ntop(&addr[i].opt.sockaddr.sockaddr, addr[i].opt.socklen,
- buf, NGX_SOCKADDR_STRLEN, 1);
-
- p = ngx_pnalloc(cf->pool, len);
- if (p == NULL) {
- return NGX_ERROR;
- }
-
- ngx_memcpy(p, buf, len);
-
- addrs6[i].conf.addr_text.len = len;
- addrs6[i].conf.addr_text.data = p;
- }
-
- return NGX_OK;
-}
-
-#endif
-
-
-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) {
- /* a wildcard must be the last resort, shift it to the end */
- return 1;
- }
-
- if (second->opt.wildcard) {
- /* a wildcard must be the last resort, shift it to the end */
- return -1;
- }
-
- if (first->opt.bind && !second->opt.bind) {
- /* shift explicit bind()ed addresses to the start */
- return -1;
- }
-
- if (!first->opt.bind && second->opt.bind) {
- /* shift explicit bind()ed addresses to the start */
- return 1;
- }
-
- /* do not sort by default */
-
- return 0;
-}