Mercurial > hg > nginx-quic
view src/http/v3/ngx_http_v3_module.c @ 7829:d73516830236 quic
HTTP/3: bytes holding directives changed to ngx_conf_set_size_slot.
This allows to specify directive values with measurement units.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 22 Apr 2020 15:48:39 +0300 |
parents | a8fc0ab54cea |
children | 036164360fa9 |
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/* * Copyright (C) Nginx, Inc. * Copyright (C) Roman Arutyunyan */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> static ngx_command_t ngx_http_v3_commands[] = { { ngx_string("quic_max_idle_timeout"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_msec_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.max_idle_timeout), NULL }, { ngx_string("quic_max_ack_delay"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_msec_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.max_ack_delay), NULL }, { ngx_string("quic_max_packet_size"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.max_packet_size), NULL }, { ngx_string("quic_initial_max_data"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_data), NULL }, { ngx_string("quic_initial_max_stream_data_bidi_local"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_bidi_local), NULL }, { ngx_string("quic_initial_max_stream_data_bidi_remote"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_bidi_remote), NULL }, { ngx_string("quic_initial_max_stream_data_uni"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_size_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_stream_data_uni), NULL }, { ngx_string("quic_initial_max_streams_bidi"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_streams_bidi), NULL }, { ngx_string("quic_initial_max_streams_uni"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.initial_max_streams_uni), NULL }, { ngx_string("quic_ack_delay_exponent"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.ack_delay_exponent), NULL }, { ngx_string("quic_active_migration"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.disable_active_migration), NULL }, { ngx_string("quic_active_connection_id_limit"), NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1, ngx_conf_set_num_slot, NGX_HTTP_SRV_CONF_OFFSET, offsetof(ngx_http_v3_srv_conf_t, quic.active_connection_id_limit), NULL }, ngx_null_command }; static ngx_int_t ngx_http_variable_quic(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); static ngx_int_t ngx_http_variable_http3(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf); static void *ngx_http_v3_create_srv_conf(ngx_conf_t *cf); static char *ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child); static ngx_http_module_t ngx_http_v3_module_ctx = { ngx_http_v3_add_variables, /* preconfiguration */ NULL, /* postconfiguration */ NULL, /* create main configuration */ NULL, /* init main configuration */ ngx_http_v3_create_srv_conf, /* create server configuration */ ngx_http_v3_merge_srv_conf, /* merge server configuration */ NULL, /* create location configuration */ NULL /* merge location configuration */ }; ngx_module_t ngx_http_v3_module = { NGX_MODULE_V1, &ngx_http_v3_module_ctx, /* module context */ ngx_http_v3_commands, /* module directives */ NGX_HTTP_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 ngx_http_variable_t ngx_http_v3_vars[] = { { ngx_string("quic"), NULL, ngx_http_variable_quic, 0, 0, 0 }, { ngx_string("http3"), NULL, ngx_http_variable_http3, 0, 0, 0 }, ngx_http_null_variable }; static ngx_int_t ngx_http_variable_quic(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data) { if (r->connection->qs) { v->len = 4; v->valid = 1; v->no_cacheable = 1; v->not_found = 0; v->data = (u_char *) "quic"; return NGX_OK; } v->not_found = 1; return NGX_OK; } static ngx_int_t ngx_http_variable_http3(ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data) { v->valid = 1; v->no_cacheable = 1; v->not_found = 0; v->data = ngx_pnalloc(r->pool, sizeof("h3-xx") - 1); if (v->data == NULL) { return NGX_ERROR; } v->len = ngx_sprintf(v->data, "h3-%d", NGX_QUIC_DRAFT_VERSION) - v->data; return NGX_OK; } static ngx_int_t ngx_http_v3_add_variables(ngx_conf_t *cf) { ngx_http_variable_t *var, *v; for (v = ngx_http_v3_vars; v->name.len; v++) { var = ngx_http_add_variable(cf, &v->name, v->flags); if (var == NULL) { return NGX_ERROR; } var->get_handler = v->get_handler; var->data = v->data; } return NGX_OK; } static void * ngx_http_v3_create_srv_conf(ngx_conf_t *cf) { ngx_http_v3_srv_conf_t *v3cf; v3cf = ngx_pcalloc(cf->pool, sizeof(ngx_http_v3_srv_conf_t)); if (v3cf == NULL) { return NULL; } /* * set by ngx_pcalloc(): * v3cf->quic.original_connection_id = 0; * v3cf->quic.stateless_reset_token = { 0 } * conf->quic.preferred_address = NULL */ v3cf->quic.max_idle_timeout = NGX_CONF_UNSET_MSEC; v3cf->quic.max_ack_delay = NGX_CONF_UNSET_MSEC; v3cf->quic.max_packet_size = NGX_CONF_UNSET_SIZE; v3cf->quic.initial_max_data = NGX_CONF_UNSET_SIZE; v3cf->quic.initial_max_stream_data_bidi_local = NGX_CONF_UNSET_SIZE; v3cf->quic.initial_max_stream_data_bidi_remote = NGX_CONF_UNSET_SIZE; v3cf->quic.initial_max_stream_data_uni = NGX_CONF_UNSET_SIZE; v3cf->quic.initial_max_streams_bidi = NGX_CONF_UNSET_UINT; v3cf->quic.initial_max_streams_uni = NGX_CONF_UNSET_UINT; v3cf->quic.ack_delay_exponent = NGX_CONF_UNSET_UINT; v3cf->quic.disable_active_migration = NGX_CONF_UNSET_UINT; v3cf->quic.active_connection_id_limit = NGX_CONF_UNSET_UINT; return v3cf; } static char * ngx_http_v3_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) { ngx_http_v3_srv_conf_t *prev = parent; ngx_http_v3_srv_conf_t *conf = child; ngx_conf_merge_msec_value(conf->quic.max_idle_timeout, prev->quic.max_idle_timeout, 60000); ngx_conf_merge_msec_value(conf->quic.max_ack_delay, prev->quic.max_ack_delay, NGX_QUIC_DEFAULT_MAX_ACK_DELAY); if (conf->quic.max_ack_delay > 16384) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"quic_max_ack_delay\" greater than" " 16384 is invalid"); return NGX_CONF_ERROR; } ngx_conf_merge_size_value(conf->quic.max_packet_size, prev->quic.max_packet_size, NGX_QUIC_DEFAULT_MAX_PACKET_SIZE); if (conf->quic.max_packet_size < 1200 || conf->quic.max_packet_size > 65527) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"quic_max_packet_size\" less than" " 1200 or greater than 65527 is invalid"); return NGX_CONF_ERROR; } ngx_conf_merge_size_value(conf->quic.initial_max_data, prev->quic.initial_max_data, 16 * NGX_QUIC_STREAM_BUFSIZE); ngx_conf_merge_size_value(conf->quic.initial_max_stream_data_bidi_local, prev->quic.initial_max_stream_data_bidi_local, NGX_QUIC_STREAM_BUFSIZE); ngx_conf_merge_size_value(conf->quic.initial_max_stream_data_bidi_remote, prev->quic.initial_max_stream_data_bidi_remote, NGX_QUIC_STREAM_BUFSIZE); ngx_conf_merge_size_value(conf->quic.initial_max_stream_data_uni, prev->quic.initial_max_stream_data_uni, NGX_QUIC_STREAM_BUFSIZE); ngx_conf_merge_uint_value(conf->quic.initial_max_streams_bidi, prev->quic.initial_max_streams_bidi, 16); ngx_conf_merge_uint_value(conf->quic.initial_max_streams_uni, prev->quic.initial_max_streams_uni, 16); ngx_conf_merge_uint_value(conf->quic.ack_delay_exponent, prev->quic.ack_delay_exponent, NGX_QUIC_DEFAULT_ACK_DELAY_EXPONENT); if (conf->quic.ack_delay_exponent > 20) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"quic_ack_delay_exponent\" greater than" " 20 is invalid"); return NGX_CONF_ERROR; } ngx_conf_merge_uint_value(conf->quic.disable_active_migration, prev->quic.disable_active_migration, 1); ngx_conf_merge_uint_value(conf->quic.active_connection_id_limit, prev->quic.active_connection_id_limit, 2); if (conf->quic.active_connection_id_limit < 2) { ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "\"quic_active_connection_id_limit\" less than" " 2 is invalid"); return NGX_CONF_ERROR; } return NGX_CONF_OK; }