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https://github.com/nginx/nginx.git
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Stream: set module.
Adds 'set' directive to the stream server context.
This commit is contained in:
Pavel Pautov
parent
3bbeb1b8de
commit
c85d6fec21
10
auto/modules
10
auto/modules
@ -1119,6 +1119,16 @@ if [ $STREAM != NO ]; then
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. auto/module
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fi
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if [ $STREAM_SET = YES ]; then
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ngx_module_name=ngx_stream_set_module
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ngx_module_deps=
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ngx_module_srcs=src/stream/ngx_stream_set_module.c
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ngx_module_libs=
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ngx_module_link=$STREAM_SET
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. auto/module
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fi
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if [ $STREAM_UPSTREAM_HASH = YES ]; then
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ngx_module_name=ngx_stream_upstream_hash_module
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ngx_module_deps=
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@ -124,6 +124,7 @@ STREAM_GEOIP=NO
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STREAM_MAP=YES
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STREAM_SPLIT_CLIENTS=YES
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STREAM_RETURN=YES
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STREAM_SET=YES
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STREAM_UPSTREAM_HASH=YES
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STREAM_UPSTREAM_LEAST_CONN=YES
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STREAM_UPSTREAM_RANDOM=YES
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@ -324,6 +325,7 @@ use the \"--with-mail_ssl_module\" option instead"
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--without-stream_split_clients_module)
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STREAM_SPLIT_CLIENTS=NO ;;
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--without-stream_return_module) STREAM_RETURN=NO ;;
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--without-stream_set_module) STREAM_SET=NO ;;
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--without-stream_upstream_hash_module)
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STREAM_UPSTREAM_HASH=NO ;;
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--without-stream_upstream_least_conn_module)
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@ -538,6 +540,7 @@ cat << END
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--without-stream_split_clients_module
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disable ngx_stream_split_clients_module
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--without-stream_return_module disable ngx_stream_return_module
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--without-stream_set_module disable ngx_stream_set_module
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--without-stream_upstream_hash_module
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disable ngx_stream_upstream_hash_module
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--without-stream_upstream_least_conn_module
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226
src/stream/ngx_stream_set_module.c
Normal file
226
src/stream/ngx_stream_set_module.c
Normal file
@ -0,0 +1,226 @@
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/*
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* Copyright (C) Pavel Pautov
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* Copyright (C) Nginx, Inc.
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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#include <ngx_stream.h>
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typedef struct {
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ngx_int_t index;
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ngx_stream_set_variable_pt set_handler;
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uintptr_t data;
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ngx_stream_complex_value_t value;
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} ngx_stream_set_cmd_t;
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typedef struct {
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ngx_array_t commands;
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} ngx_stream_set_srv_conf_t;
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static ngx_int_t ngx_stream_set_handler(ngx_stream_session_t *s);
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static ngx_int_t ngx_stream_set_var(ngx_stream_session_t *s,
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ngx_stream_variable_value_t *v, uintptr_t data);
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static ngx_int_t ngx_stream_set_init(ngx_conf_t *cf);
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static void *ngx_stream_set_create_srv_conf(ngx_conf_t *cf);
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static char *ngx_stream_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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static ngx_command_t ngx_stream_set_commands[] = {
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{ ngx_string("set"),
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NGX_STREAM_SRV_CONF|NGX_CONF_TAKE2,
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ngx_stream_set,
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NGX_STREAM_SRV_CONF_OFFSET,
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0,
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NULL },
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ngx_null_command
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};
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static ngx_stream_module_t ngx_stream_set_module_ctx = {
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NULL, /* preconfiguration */
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ngx_stream_set_init, /* postconfiguration */
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NULL, /* create main configuration */
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NULL, /* init main configuration */
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ngx_stream_set_create_srv_conf, /* create server configuration */
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NULL /* merge server configuration */
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};
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ngx_module_t ngx_stream_set_module = {
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NGX_MODULE_V1,
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&ngx_stream_set_module_ctx, /* module context */
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ngx_stream_set_commands, /* module directives */
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NGX_STREAM_MODULE, /* module type */
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NULL, /* init master */
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NULL, /* init module */
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NULL, /* init process */
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NULL, /* init thread */
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NULL, /* exit thread */
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NULL, /* exit process */
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NULL, /* exit master */
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NGX_MODULE_V1_PADDING
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};
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static ngx_int_t
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ngx_stream_set_handler(ngx_stream_session_t *s)
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{
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ngx_str_t str;
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ngx_uint_t i;
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ngx_stream_set_cmd_t *cmds;
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ngx_stream_set_srv_conf_t *scf;
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ngx_stream_variable_value_t vv;
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scf = ngx_stream_get_module_srv_conf(s, ngx_stream_set_module);
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cmds = scf->commands.elts;
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vv = ngx_stream_variable_null_value;
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for (i = 0; i < scf->commands.nelts; i++) {
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if (ngx_stream_complex_value(s, &cmds[i].value, &str) != NGX_OK) {
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return NGX_ERROR;
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}
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if (cmds[i].set_handler != NULL) {
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vv.len = str.len;
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vv.data = str.data;
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cmds[i].set_handler(s, &vv, cmds[i].data);
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} else {
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s->variables[cmds[i].index].len = str.len;
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s->variables[cmds[i].index].valid = 1;
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s->variables[cmds[i].index].no_cacheable = 0;
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s->variables[cmds[i].index].not_found = 0;
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s->variables[cmds[i].index].data = str.data;
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}
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}
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return NGX_DECLINED;
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}
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static ngx_int_t
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ngx_stream_set_var(ngx_stream_session_t *s, ngx_stream_variable_value_t *v,
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uintptr_t data)
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{
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*v = ngx_stream_variable_null_value;
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return NGX_OK;
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}
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static ngx_int_t
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ngx_stream_set_init(ngx_conf_t *cf)
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{
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ngx_stream_handler_pt *h;
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ngx_stream_core_main_conf_t *cmcf;
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cmcf = ngx_stream_conf_get_module_main_conf(cf, ngx_stream_core_module);
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h = ngx_array_push(&cmcf->phases[NGX_STREAM_PREACCESS_PHASE].handlers);
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if (h == NULL) {
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return NGX_ERROR;
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}
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*h = ngx_stream_set_handler;
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return NGX_OK;
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}
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static void *
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ngx_stream_set_create_srv_conf(ngx_conf_t *cf)
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{
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ngx_stream_set_srv_conf_t *conf;
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conf = ngx_pcalloc(cf->pool, sizeof(ngx_stream_set_srv_conf_t));
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if (conf == NULL) {
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return NULL;
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}
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/*
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* set by ngx_pcalloc():
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*
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* conf->commands = { NULL };
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*/
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return conf;
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}
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static char *
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ngx_stream_set(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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{
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ngx_stream_set_srv_conf_t *scf = conf;
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ngx_str_t *args;
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ngx_int_t index;
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ngx_stream_set_cmd_t *set_cmd;
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ngx_stream_variable_t *v;
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ngx_stream_compile_complex_value_t ccv;
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args = cf->args->elts;
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if (args[1].data[0] != '$') {
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ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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"invalid variable name \"%V\"", &args[1]);
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return NGX_CONF_ERROR;
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}
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args[1].len--;
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args[1].data++;
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v = ngx_stream_add_variable(cf, &args[1],
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NGX_STREAM_VAR_CHANGEABLE|NGX_STREAM_VAR_WEAK);
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if (v == NULL) {
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return NGX_CONF_ERROR;
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}
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index = ngx_stream_get_variable_index(cf, &args[1]);
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if (index == NGX_ERROR) {
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return NGX_CONF_ERROR;
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}
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if (v->get_handler == NULL) {
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v->get_handler = ngx_stream_set_var;
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}
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if (scf->commands.elts == NULL) {
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if (ngx_array_init(&scf->commands, cf->pool, 1,
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sizeof(ngx_stream_set_cmd_t))
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!= NGX_OK)
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{
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return NGX_CONF_ERROR;
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}
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}
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set_cmd = ngx_array_push(&scf->commands);
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if (set_cmd == NULL) {
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return NGX_CONF_ERROR;
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}
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set_cmd->index = index;
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set_cmd->set_handler = v->set_handler;
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set_cmd->data = v->data;
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ngx_memzero(&ccv, sizeof(ngx_stream_compile_complex_value_t));
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ccv.cf = cf;
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ccv.value = &args[2];
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ccv.complex_value = &set_cmd->value;
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if (ngx_stream_compile_complex_value(&ccv) != NGX_OK) {
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return NGX_CONF_ERROR;
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}
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return NGX_CONF_OK;
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}
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