view auto/modules @ 4207:4fc91bae6f83

Better recheck of dead upstream servers. Previously nginx used to mark backend again as live as soon as fail_timeout passes (10s by default) since last failure. On the other hand, detecting dead backend takes up to 60s (proxy_connect_timeout) in typical situation "backend is down and doesn't respond to any packets". This resulted in suboptimal behaviour in the above situation (up to 23% of requests were directed to dead backend with default settings). More detailed description of the problem may be found here (in Russian): http://mailman.nginx.org/pipermail/nginx-ru/2011-August/042172.html Fix is to only allow one request after fail_timeout passes, and mark backend as "live" only if this request succeeds. Note that with new code backend will not be marked "live" unless "check" request is completed, and this may take a while in some specific workloads (e.g. streaming). This is believed to be acceptable.
author Maxim Dounin <mdounin@mdounin.ru>
date Wed, 12 Oct 2011 14:22:48 +0000
parents b2e21a39307c
children 91874133fb27
line wrap: on
line source


# Copyright (C) Igor Sysoev


if [ $EVENT_SELECT = NO -a $EVENT_FOUND = NO ]; then
    EVENT_SELECT=YES
fi

if [ $EVENT_SELECT = YES ]; then
    have=NGX_HAVE_SELECT . auto/have
    CORE_SRCS="$CORE_SRCS $SELECT_SRCS"
    EVENT_MODULES="$EVENT_MODULES $SELECT_MODULE"
fi


if [ $EVENT_POLL = NO -a $EVENT_FOUND = NO ]; then
    EVENT_POLL=YES
fi

if [ $EVENT_POLL = YES ]; then
    have=NGX_HAVE_POLL . auto/have
    CORE_SRCS="$CORE_SRCS $POLL_SRCS"
    EVENT_MODULES="$EVENT_MODULES $POLL_MODULE"
fi


if [ $NGX_TEST_BUILD_DEVPOLL = YES ]; then
    have=NGX_HAVE_DEVPOLL . auto/have
    have=NGX_TEST_BUILD_DEVPOLL . auto/have
    EVENT_MODULES="$EVENT_MODULES $DEVPOLL_MODULE"
    CORE_SRCS="$CORE_SRCS $DEVPOLL_SRCS"
fi


if [ $NGX_TEST_BUILD_EVENTPORT = YES ]; then
    have=NGX_HAVE_EVENTPORT . auto/have
    have=NGX_TEST_BUILD_EVENTPORT . auto/have
    EVENT_MODULES="$EVENT_MODULES $EVENTPORT_MODULE"
    CORE_SRCS="$CORE_SRCS $EVENTPORT_SRCS"
fi

if [ $NGX_TEST_BUILD_EPOLL = YES ]; then
    have=NGX_HAVE_EPOLL . auto/have
    have=NGX_HAVE_EVENTFD . auto/have
    have=NGX_TEST_BUILD_EPOLL . auto/have
    EVENT_MODULES="$EVENT_MODULES $EPOLL_MODULE"
    CORE_SRCS="$CORE_SRCS $EPOLL_SRCS"
fi

if [ $NGX_TEST_BUILD_RTSIG = YES ]; then
    have=NGX_HAVE_RTSIG . auto/have
    have=NGX_TEST_BUILD_RTSIG . auto/have
    EVENT_MODULES="$EVENT_MODULES $RTSIG_MODULE"
    CORE_SRCS="$CORE_SRCS $RTSIG_SRCS"
fi

if [ $NGX_TEST_BUILD_SOLARIS_SENDFILEV = YES ]; then
    have=NGX_TEST_BUILD_SOLARIS_SENDFILEV . auto/have
    CORE_SRCS="$CORE_SRCS $SOLARIS_SENDFILEV_SRCS"
fi


if [ $HTTP != YES ]; then
    have=NGX_CRYPT . auto/nohave
    CRYPT_LIB=
fi


if [ $HTTP_CACHE = YES ]; then
    USE_MD5=YES
    have=NGX_HTTP_CACHE . auto/have
    HTTP_SRCS="$HTTP_SRCS $HTTP_FILE_CACHE_SRCS"
fi


if [ $HTTP_SSI = YES ]; then
    HTTP_POSTPONE=YES
fi


if [ $HTTP_ADDITION = YES ]; then
    HTTP_POSTPONE=YES
fi


# the module order is important
#     ngx_http_static_module
#     ngx_http_gzip_static_module
#     ngx_http_dav_module
#     ngx_http_autoindex_module
#     ngx_http_index_module
#     ngx_http_random_index_module
#
#     ngx_http_access_module
#     ngx_http_realip_module
#
#
# the filter order is important
#     ngx_http_write_filter
#     ngx_http_header_filter
#     ngx_http_chunked_filter
#     ngx_http_range_header_filter
#     ngx_http_gzip_filter
#     ngx_http_postpone_filter
#     ngx_http_ssi_filter
#     ngx_http_charset_filter
#         ngx_http_xslt_filter
#         ngx_http_image_filter
#         ngx_http_sub_filter
#         ngx_http_addition_filter
#         ngx_http_userid_filter
#         ngx_http_headers_filter
#     ngx_http_copy_filter
#     ngx_http_range_body_filter
#     ngx_http_not_modified_filter

HTTP_FILTER_MODULES="$HTTP_WRITE_FILTER_MODULE \
                     $HTTP_HEADER_FILTER_MODULE \
                     $HTTP_CHUNKED_FILTER_MODULE \
                     $HTTP_RANGE_HEADER_FILTER_MODULE"

if [ $HTTP_GZIP = YES ]; then
    have=NGX_HTTP_GZIP . auto/have
    USE_ZLIB=YES
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_GZIP_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_GZIP_SRCS"
fi

if [ $HTTP_POSTPONE = YES ]; then
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_POSTPONE_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_POSTPONE_FILTER_SRCS"
fi

if [ $HTTP_SSI = YES ]; then
    have=NGX_HTTP_SSI . auto/have
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_SSI_FILTER_MODULE"
    HTTP_DEPS="$HTTP_DEPS $HTTP_SSI_DEPS"
    HTTP_SRCS="$HTTP_SRCS $HTTP_SSI_SRCS"
fi

if [ $HTTP_CHARSET = YES ]; then
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_CHARSET_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_CHARSET_SRCS"
fi

if [ $HTTP_XSLT = YES ]; then
    USE_LIBXSLT=YES
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_XSLT_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_XSLT_SRCS"
fi

if [ $HTTP_IMAGE_FILTER = YES ]; then
    USE_LIBGD=YES
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_IMAGE_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_IMAGE_SRCS"
fi

if [ $HTTP_SUB = YES ]; then
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_SUB_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_SUB_SRCS"
fi

if [ $HTTP_ADDITION = YES ]; then
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_ADDITION_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_ADDITION_SRCS"
fi

if [ $HTTP_USERID = YES ]; then
    HTTP_FILTER_MODULES="$HTTP_FILTER_MODULES $HTTP_USERID_FILTER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_USERID_SRCS"
fi

HTTP_MODULES="$HTTP_MODULES $HTTP_STATIC_MODULE"

if [ $HTTP_GZIP_STATIC = YES ]; then
    have=NGX_HTTP_GZIP . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_GZIP_STATIC_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_GZIP_STATIC_SRCS"
fi

if [ $HTTP_DAV = YES ]; then
    have=NGX_HTTP_DAV . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_DAV_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_DAV_SRCS"
fi

if [ $HTTP_AUTOINDEX = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_AUTOINDEX_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_AUTOINDEX_SRCS"
fi

HTTP_MODULES="$HTTP_MODULES $HTTP_INDEX_MODULE"

if [ $HTTP_RANDOM_INDEX = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_RANDOM_INDEX_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_RANDOM_INDEX_SRCS"
fi

if [ $HTTP_AUTH_BASIC = YES ]; then
    USE_MD5=YES
    USE_SHA1=YES
    have=NGX_CRYPT . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_AUTH_BASIC_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_AUTH_BASIC_SRCS"
    CORE_LIBS="$CORE_LIBS $CRYPT_LIB"
fi

if [ $HTTP_ACCESS = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_ACCESS_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_ACCESS_SRCS"
fi

if [ $HTTP_LIMIT_ZONE = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_LIMIT_ZONE_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_LIMIT_ZONE_SRCS"
fi

if [ $HTTP_LIMIT_REQ = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_LIMIT_REQ_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_LIMIT_REQ_SRCS"
fi

if [ $HTTP_REALIP = YES ]; then
    have=NGX_HTTP_REALIP . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_REALIP_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_REALIP_SRCS"
fi

if [ $HTTP_STATUS = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_STATUS_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_STATUS_SRCS"
fi

if [ $HTTP_GEO = YES ]; then
    have=NGX_HTTP_GEO . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_GEO_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_GEO_SRCS"
fi

if [ $HTTP_GEOIP = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_GEOIP_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_GEOIP_SRCS"
fi

if [ $HTTP_MAP = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_MAP_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_MAP_SRCS"
fi

if [ $HTTP_SPLIT_CLIENTS = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_SPLIT_CLIENTS_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_SPLIT_CLIENTS_SRCS"
fi

if [ $HTTP_REFERER = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_REFERER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_REFERER_SRCS"
fi

if [ $HTTP_REWRITE = YES -a $USE_PCRE != DISABLED ]; then
    USE_PCRE=YES
    HTTP_MODULES="$HTTP_MODULES $HTTP_REWRITE_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_REWRITE_SRCS"
fi

if [ $HTTP_SSL = YES ]; then
    USE_OPENSSL=YES
    have=NGX_HTTP_SSL . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_SSL_MODULE"
    HTTP_DEPS="$HTTP_DEPS $HTTP_SSL_DEPS"
    HTTP_SRCS="$HTTP_SRCS $HTTP_SSL_SRCS"
fi

if [ $HTTP_PROXY = YES ]; then
    have=NGX_HTTP_PROXY . auto/have
    #USE_MD5=YES
    HTTP_MODULES="$HTTP_MODULES $HTTP_PROXY_MODULE"
    HTTP_DEPS="$HTTP_DEPS $HTTP_PROXY_DEPS"
    HTTP_SRCS="$HTTP_SRCS $HTTP_PROXY_SRCS"
fi

if [ $HTTP_FASTCGI = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_FASTCGI_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_FASTCGI_SRCS"
fi

if [ $HTTP_UWSGI = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_UWSGI_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_UWSGI_SRCS"
fi

if [ $HTTP_SCGI = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_SCGI_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_SCGI_SRCS"
fi

if [ $HTTP_PERL = YES ]; then
    USE_PERL=YES
    HTTP_MODULES="$HTTP_MODULES $HTTP_PERL_MODULE"
    HTTP_INCS="$HTTP_INCS $HTTP_PERL_INCS"
    HTTP_DEPS="$HTTP_DEPS $HTTP_PERL_DEPS"
    HTTP_SRCS="$HTTP_SRCS $HTTP_PERL_SRCS"
fi

if [ $HTTP_MEMCACHED = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_MEMCACHED_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_MEMCACHED_SRCS"
fi

if [ $HTTP_EMPTY_GIF = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_EMPTY_GIF_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_EMPTY_GIF_SRCS"
fi

if [ $HTTP_BROWSER = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_BROWSER_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_BROWSER_SRCS"
fi

if [ $HTTP_SECURE_LINK = YES ]; then
    USE_MD5=YES
    HTTP_MODULES="$HTTP_MODULES $HTTP_SECURE_LINK_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_SECURE_LINK_SRCS"
fi

if [ $HTTP_DEGRADATION = YES ]; then
    have=NGX_HTTP_DEGRADATION . auto/have
    HTTP_MODULES="$HTTP_MODULES $HTTP_DEGRADATION_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_DEGRADATION_SRCS"
fi

if [ $HTTP_FLV = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_FLV_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_FLV_SRCS"
fi

if [ $HTTP_MP4 = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_MP4_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_MP4_SRCS"
fi

if [ $HTTP_UPSTREAM_IP_HASH = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_UPSTREAM_IP_HASH_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_UPSTREAM_IP_HASH_SRCS"
fi

if [ $HTTP_UPSTREAM_KEEPALIVE = YES ]; then
    HTTP_MODULES="$HTTP_MODULES $HTTP_UPSTREAM_KEEPALIVE_MODULE"
    HTTP_SRCS="$HTTP_SRCS $HTTP_UPSTREAM_KEEPALIVE_SRCS"
fi

if [ $HTTP_STUB_STATUS = YES ]; then
    have=NGX_STAT_STUB . auto/have
    HTTP_MODULES="$HTTP_MODULES ngx_http_stub_status_module"
    HTTP_SRCS="$HTTP_SRCS src/http/modules/ngx_http_stub_status_module.c"
fi

#if [ -r $NGX_OBJS/auto ]; then
#    . $NGX_OBJS/auto
#fi


if test -n "$NGX_ADDONS"; then

    echo configuring additional modules

    for ngx_addon_dir in $NGX_ADDONS
    do
        echo "adding module in $ngx_addon_dir"

        if test -f $ngx_addon_dir/config; then
            . $ngx_addon_dir/config

            echo " + $ngx_addon_name was configured"

        else
            echo "$0: error: no $ngx_addon_dir/config was found"
            exit 1
        fi
    done
fi


if [ $MAIL_SSL = YES ]; then
    have=NGX_MAIL_SSL . auto/have
    USE_OPENSSL=YES
fi


modules="$CORE_MODULES $EVENT_MODULES"


if [ $USE_OPENSSL = YES ]; then
    modules="$modules $OPENSSL_MODULE"
    CORE_DEPS="$CORE_DEPS $OPENSSL_DEPS"
    CORE_SRCS="$CORE_SRCS $OPENSSL_SRCS"
fi

if [ $HTTP = YES ]; then
    modules="$modules $HTTP_MODULES $HTTP_FILTER_MODULES \
             $HTTP_HEADERS_FILTER_MODULE \
             $HTTP_AUX_FILTER_MODULES \
             $HTTP_COPY_FILTER_MODULE \
             $HTTP_RANGE_BODY_FILTER_MODULE \
             $HTTP_NOT_MODIFIED_FILTER_MODULE"

    NGX_ADDON_DEPS="$NGX_ADDON_DEPS \$(HTTP_DEPS)"
fi


if [ $MAIL = YES ]; then
    modules="$modules $MAIL_MODULES"

    if [ $MAIL_SSL = YES ]; then
        modules="$modules $MAIL_SSL_MODULE"
        MAIL_DEPS="$MAIL_DEPS $MAIL_SSL_DEPS"
        MAIL_SRCS="$MAIL_SRCS $MAIL_SSL_SRCS"
    fi

    if [ $MAIL_POP3 = YES ]; then
        modules="$modules $MAIL_POP3_MODULE"
        MAIL_DEPS="$MAIL_DEPS $MAIL_POP3_DEPS"
        MAIL_SRCS="$MAIL_SRCS $MAIL_POP3_SRCS"
    fi

    if [ $MAIL_IMAP = YES ]; then
        modules="$modules $MAIL_IMAP_MODULE"
        MAIL_DEPS="$MAIL_DEPS $MAIL_IMAP_DEPS"
        MAIL_SRCS="$MAIL_SRCS $MAIL_IMAP_SRCS"
    fi

    if [ $MAIL_SMTP = YES ]; then
        modules="$modules $MAIL_SMTP_MODULE"
        MAIL_DEPS="$MAIL_DEPS $MAIL_SMTP_DEPS"
        MAIL_SRCS="$MAIL_SRCS $MAIL_SMTP_SRCS"
    fi

    modules="$modules $MAIL_AUTH_HTTP_MODULE"
    MAIL_SRCS="$MAIL_SRCS $MAIL_AUTH_HTTP_SRCS"

    modules="$modules $MAIL_PROXY_MODULE"
    MAIL_SRCS="$MAIL_SRCS $MAIL_PROXY_SRCS"
fi


if [ $NGX_GOOGLE_PERFTOOLS = YES ]; then
    modules="$modules $NGX_GOOGLE_PERFTOOLS_MODULE"
    NGX_MISC_SRCS="$NGX_MISC_SRCS $NGX_GOOGLE_PERFTOOLS_SRCS"
fi


if [ $NGX_CPP_TEST = YES ]; then
    NGX_MISC_SRCS="$NGX_MISC_SRCS $NGX_CPP_TEST_SRCS"
fi


cat << END                                    > $NGX_MODULES_C

#include <ngx_config.h>
#include <ngx_core.h>

$NGX_PRAGMA

END

for mod in $modules
do
    echo "extern ngx_module_t  $mod;"         >> $NGX_MODULES_C
done

echo                                          >> $NGX_MODULES_C
echo 'ngx_module_t *ngx_modules[] = {'        >> $NGX_MODULES_C

for mod in $modules
do
    echo "    &$mod,"                         >> $NGX_MODULES_C
done

cat << END                                    >> $NGX_MODULES_C
    NULL
};

END