diff --git a/.hgtags b/.hgtags index ef68adcf45..a1e630018a 100644 --- a/.hgtags +++ b/.hgtags @@ -465,3 +465,4 @@ a68ac0677f8553b1f84d357bc9da114731ab5f47 release-1.21.1 bfbc52374adcbf2f9060afd62de940f6fab3bba5 release-1.21.2 2217a9c1d0b86026f22700b3c089545db1964f55 release-1.21.3 39be8a682c58308d9399cddd57e37f9fdb7bdf3e release-1.21.4 +d986378168fd4d70e0121cabac274c560cca9bdf release-1.21.5 diff --git a/auto/lib/pcre/conf b/auto/lib/pcre/conf index 5e3960fea3..20c1cafbe5 100644 --- a/auto/lib/pcre/conf +++ b/auto/lib/pcre/conf @@ -4,87 +4,62 @@ if [ $PCRE != NONE ]; then - CORE_INCS="$CORE_INCS $PCRE" - case "$NGX_CC_NAME" in + if [ -f $PCRE/src/pcre2.h.generic ]; then - msvc | owc | bcc) - have=NGX_PCRE . auto/have - have=PCRE_STATIC . auto/have - CORE_DEPS="$CORE_DEPS $PCRE/pcre.h" - LINK_DEPS="$LINK_DEPS $PCRE/pcre.lib" - CORE_LIBS="$CORE_LIBS $PCRE/pcre.lib" - ;; + PCRE_LIBRARY=PCRE2 - icc) - have=NGX_PCRE . auto/have - CORE_DEPS="$CORE_DEPS $PCRE/pcre.h" + have=NGX_PCRE . auto/have + have=NGX_PCRE2 . auto/have - LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre.a" + if [ "$NGX_PLATFORM" = win32 ]; then + have=PCRE2_STATIC . auto/have + fi - echo $ngx_n "checking for PCRE library ...$ngx_c" + CORE_INCS="$CORE_INCS $PCRE/src/" + CORE_DEPS="$CORE_DEPS $PCRE/src/pcre2.h" - if [ -f $PCRE/pcre.h ]; then - ngx_pcre_ver=`grep PCRE_MAJOR $PCRE/pcre.h \ - | sed -e 's/^.*PCRE_MAJOR.* \(.*\)$/\1/'` + case "$NGX_CC_NAME" in - else if [ -f $PCRE/configure.in ]; then - ngx_pcre_ver=`grep PCRE_MAJOR= $PCRE/configure.in \ - | sed -e 's/^.*=\(.*\)$/\1/'` + msvc) + LINK_DEPS="$LINK_DEPS $PCRE/src/pcre2-8.lib" + CORE_LIBS="$CORE_LIBS $PCRE/src/pcre2-8.lib" + ;; - else - ngx_pcre_ver=`grep pcre_major, $PCRE/configure.ac \ - | sed -e 's/^.*pcre_major,.*\[\(.*\)\].*$/\1/'` - fi - fi + *) + LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre2-8.a" + CORE_LIBS="$CORE_LIBS $PCRE/.libs/libpcre2-8.a" + ;; - echo " $ngx_pcre_ver major version found" - - # to allow -ipo optimization we link with the *.o but not library - - case "$ngx_pcre_ver" in - 4|5) - CORE_LIBS="$CORE_LIBS $PCRE/pcre.o" - ;; - - 6) - CORE_LIBS="$CORE_LIBS $PCRE/pcre_chartables.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_compile.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_exec.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_fullinfo.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_globals.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_tables.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_try_flipped.o" - ;; - - *) - CORE_LIBS="$CORE_LIBS $PCRE/pcre_chartables.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_compile.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_exec.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_fullinfo.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_globals.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_tables.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_try_flipped.o" - CORE_LIBS="$CORE_LIBS $PCRE/pcre_newline.o" - ;; - - esac - ;; - - *) - have=NGX_PCRE . auto/have + esac - if [ "$NGX_PLATFORM" = win32 ]; then - have=PCRE_STATIC . auto/have - fi + else - CORE_DEPS="$CORE_DEPS $PCRE/pcre.h" - LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre.a" - CORE_LIBS="$CORE_LIBS $PCRE/.libs/libpcre.a" - ;; + PCRE_LIBRARY=PCRE - esac + have=NGX_PCRE . auto/have + if [ "$NGX_PLATFORM" = win32 ]; then + have=PCRE_STATIC . auto/have + fi + + CORE_INCS="$CORE_INCS $PCRE" + CORE_DEPS="$CORE_DEPS $PCRE/pcre.h" + + case "$NGX_CC_NAME" in + + msvc | owc | bcc) + LINK_DEPS="$LINK_DEPS $PCRE/pcre.lib" + CORE_LIBS="$CORE_LIBS $PCRE/pcre.lib" + ;; + + *) + LINK_DEPS="$LINK_DEPS $PCRE/.libs/libpcre.a" + CORE_LIBS="$CORE_LIBS $PCRE/.libs/libpcre.a" + ;; + + esac + fi if [ $PCRE_JIT = YES ]; then have=NGX_HAVE_PCRE_JIT . auto/have @@ -94,8 +69,48 @@ if [ $PCRE != NONE ]; then else if [ "$NGX_PLATFORM" != win32 ]; then - PCRE=NO + fi + + if [ $PCRE = NO -a $PCRE2 != DISABLED ]; then + + ngx_feature="PCRE2 library" + ngx_feature_name="NGX_PCRE2" + ngx_feature_run=no + ngx_feature_incs="#define PCRE2_CODE_UNIT_WIDTH 8 + #include " + ngx_feature_path= + ngx_feature_libs="-lpcre2-8" + ngx_feature_test="pcre2_code *re; + re = pcre2_compile(NULL, 0, 0, NULL, NULL, NULL); + if (re == NULL) return 1" + . auto/feature + + if [ $ngx_found = no ]; then + + # pcre2-config + + ngx_pcre2_prefix=`pcre2-config --prefix 2>/dev/null` + + if [ -n "$ngx_pcre2_prefix" ]; then + ngx_feature="PCRE2 library in $ngx_pcre2_prefix" + ngx_feature_path=`pcre2-config --cflags \ + | sed -n -e 's/.*-I *\([^ ][^ ]*\).*/\1/p'` + ngx_feature_libs=`pcre2-config --libs8` + . auto/feature + fi + fi + + if [ $ngx_found = yes ]; then + have=NGX_PCRE . auto/have + CORE_INCS="$CORE_INCS $ngx_feature_path" + CORE_LIBS="$CORE_LIBS $ngx_feature_libs" + PCRE=YES + PCRE_LIBRARY=PCRE2 + fi + fi + + if [ $PCRE = NO ]; then ngx_feature="PCRE library" ngx_feature_name="NGX_PCRE" @@ -171,6 +186,7 @@ else CORE_INCS="$CORE_INCS $ngx_feature_path" CORE_LIBS="$CORE_LIBS $ngx_feature_libs" PCRE=YES + PCRE_LIBRARY=PCRE fi if [ $PCRE = YES ]; then diff --git a/auto/lib/pcre/make b/auto/lib/pcre/make index 97c9f3ba02..839ef294bb 100644 --- a/auto/lib/pcre/make +++ b/auto/lib/pcre/make @@ -3,36 +3,138 @@ # Copyright (C) Nginx, Inc. -case "$NGX_CC_NAME" in +if [ $PCRE_LIBRARY = PCRE2 ]; then + + # PCRE2 + + if [ $NGX_CC_NAME = msvc ]; then + + # With PCRE2, it is not possible to compile all sources. + # Since list of source files changes between versions, we + # test files which might not be present. + + ngx_pcre_srcs="pcre2_auto_possess.c \ + pcre2_chartables.c \ + pcre2_compile.c \ + pcre2_config.c \ + pcre2_context.c \ + pcre2_dfa_match.c \ + pcre2_error.c \ + pcre2_jit_compile.c \ + pcre2_maketables.c \ + pcre2_match.c \ + pcre2_match_data.c \ + pcre2_newline.c \ + pcre2_ord2utf.c \ + pcre2_pattern_info.c \ + pcre2_string_utils.c \ + pcre2_study.c \ + pcre2_substitute.c \ + pcre2_substring.c \ + pcre2_tables.c \ + pcre2_ucd.c \ + pcre2_valid_utf.c \ + pcre2_xclass.c" + + ngx_pcre_test="pcre2_convert.c \ + pcre2_extuni.c \ + pcre2_find_bracket.c \ + pcre2_script_run.c \ + pcre2_serialize.c" + + for ngx_src in $ngx_pcre_test + do + if [ -f $PCRE/src/$ngx_src ]; then + ngx_pcre_srcs="$ngx_pcre_srcs $ngx_src" + fi + done + + ngx_pcre_objs=`echo $ngx_pcre_srcs \ + | sed -e "s#\([^ ]*\.\)c#\1$ngx_objext#g"` + + ngx_pcre_srcs=`echo $ngx_pcre_srcs \ + | sed -e "s/ *\([^ ][^ ]*\)/$ngx_regex_cont\1/g"` + ngx_pcre_objs=`echo $ngx_pcre_objs \ + | sed -e "s/ *\([^ ][^ ]*\)/$ngx_regex_cont\1/g"` + + cat << END >> $NGX_MAKEFILE + +PCRE_CFLAGS = -O2 -Ob1 -Oi -Gs $LIBC $CPU_OPT +PCRE_FLAGS = -DHAVE_CONFIG_H -DPCRE2_STATIC -DPCRE2_CODE_UNIT_WIDTH=8 \\ + -DHAVE_MEMMOVE + +PCRE_SRCS = $ngx_pcre_srcs +PCRE_OBJS = $ngx_pcre_objs + +$PCRE/src/pcre2.h: + cd $PCRE/src \\ + && copy /y config.h.generic config.h \\ + && copy /y pcre2.h.generic pcre2.h \\ + && copy /y pcre2_chartables.c.dist pcre2_chartables.c + +$PCRE/src/pcre2-8.lib: $PCRE/src/pcre2.h $NGX_MAKEFILE + cd $PCRE/src \\ + && cl -nologo -c \$(PCRE_CFLAGS) -I . \$(PCRE_FLAGS) \$(PCRE_SRCS) \\ + && link -lib -out:pcre2-8.lib -verbose:lib \$(PCRE_OBJS) - msvc) - ngx_makefile=makefile.msvc - ngx_opt="CPU_OPT=\"$CPU_OPT\" LIBC=$LIBC" - ngx_pcre="PCRE=\"$PCRE\"" - ;; +END + + else + + cat << END >> $NGX_MAKEFILE - owc) - ngx_makefile=makefile.owc - ngx_opt="CPU_OPT=\"$CPU_OPT\"" - ngx_pcre=`echo PCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"` - ;; +$PCRE/src/pcre2.h: $PCRE/Makefile + +$PCRE/Makefile: $NGX_MAKEFILE + cd $PCRE \\ + && if [ -f Makefile ]; then \$(MAKE) distclean; fi \\ + && CC="\$(CC)" CFLAGS="$PCRE_OPT" \\ + ./configure --disable-shared $PCRE_CONF_OPT - bcc) - ngx_makefile=makefile.bcc - ngx_opt="-DCPU_OPT=\"$CPU_OPT\"" - ngx_pcre=`echo \-DPCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"` - ;; +$PCRE/.libs/libpcre2-8.a: $PCRE/Makefile + cd $PCRE \\ + && \$(MAKE) libpcre2-8.la - *) - ngx_makefile= - ;; +END -esac + fi -if [ -n "$ngx_makefile" ]; then +else - cat << END >> $NGX_MAKEFILE + # PCRE + + case "$NGX_CC_NAME" in + + msvc) + ngx_makefile=makefile.msvc + ngx_opt="CPU_OPT=\"$CPU_OPT\" LIBC=$LIBC" + ngx_pcre="PCRE=\"$PCRE\"" + ;; + + owc) + ngx_makefile=makefile.owc + ngx_opt="CPU_OPT=\"$CPU_OPT\"" + ngx_pcre=`echo PCRE=\"$PCRE\" | sed -e "s/\//$ngx_regex_dirsep/g"` + ;; + + bcc) + ngx_makefile=makefile.bcc + ngx_opt="-DCPU_OPT=\"$CPU_OPT\"" + ngx_pcre=`echo \-DPCRE=\"$PCRE\" \ + | sed -e "s/\//$ngx_regex_dirsep/g"` + ;; + + *) + ngx_makefile= + ;; + + esac + + + if [ -n "$ngx_makefile" ]; then + + cat << END >> $NGX_MAKEFILE `echo "$PCRE/pcre.lib: $PCRE/pcre.h $NGX_MAKEFILE" \ | sed -e "s/\//$ngx_regex_dirsep/g"` @@ -43,9 +145,9 @@ if [ -n "$ngx_makefile" ]; then END -else + else - cat << END >> $NGX_MAKEFILE + cat << END >> $NGX_MAKEFILE $PCRE/pcre.h: $PCRE/Makefile @@ -61,4 +163,6 @@ $PCRE/.libs/libpcre.a: $PCRE/Makefile END + fi + fi diff --git a/auto/options b/auto/options index d9873f462f..ced563806b 100644 --- a/auto/options +++ b/auto/options @@ -150,6 +150,7 @@ PCRE=NONE PCRE_OPT= PCRE_CONF_OPT= PCRE_JIT=NO +PCRE2=YES USE_OPENSSL=NO USE_OPENSSL_QUIC=NO @@ -368,6 +369,7 @@ use the \"--with-mail_ssl_module\" option instead" --with-pcre=*) PCRE="$value" ;; --with-pcre-opt=*) PCRE_OPT="$value" ;; --with-pcre-jit) PCRE_JIT=YES ;; + --without-pcre2) PCRE2=DISABLED ;; --with-openssl=*) OPENSSL="$value" ;; --with-openssl-opt=*) OPENSSL_OPT="$value" ;; @@ -588,6 +590,7 @@ cat << END --with-pcre=DIR set path to PCRE library sources --with-pcre-opt=OPTIONS set additional build options for PCRE --with-pcre-jit build PCRE with JIT compilation support + --without-pcre2 do not use PCRE2 library --with-zlib=DIR set path to zlib library sources --with-zlib-opt=OPTIONS set additional build options for zlib diff --git a/auto/os/freebsd b/auto/os/freebsd index 937ca204e6..870bac4b3e 100644 --- a/auto/os/freebsd +++ b/auto/os/freebsd @@ -44,12 +44,10 @@ if [ $osreldate -gt 300007 ]; then CORE_SRCS="$CORE_SRCS $FREEBSD_SENDFILE_SRCS" fi -if [ $NGX_FILE_AIO = YES ]; then - if [ $osreldate -gt 502103 ]; then - echo " + sendfile()'s SF_NODISKIO found" +if [ $osreldate -gt 1100093 ]; then + echo " + sendfile()'s SF_NODISKIO found" - have=NGX_HAVE_AIO_SENDFILE . auto/have - fi + have=NGX_HAVE_SENDFILE_NODISKIO . auto/have fi # POSIX semaphores diff --git a/auto/summary b/auto/summary index 9aa776edf4..b3c07eedc2 100644 --- a/auto/summary +++ b/auto/summary @@ -16,9 +16,9 @@ if [ $USE_PCRE = DISABLED ]; then else case $PCRE in - YES) echo " + using system PCRE library" ;; + YES) echo " + using system $PCRE_LIBRARY library" ;; NONE) echo " + PCRE library is not used" ;; - *) echo " + using PCRE library: $PCRE" ;; + *) echo " + using $PCRE_LIBRARY library: $PCRE" ;; esac fi diff --git a/docs/xml/nginx/changes.xml b/docs/xml/nginx/changes.xml index 0808b5c6ed..fd6da38ba7 100644 --- a/docs/xml/nginx/changes.xml +++ b/docs/xml/nginx/changes.xml @@ -5,6 +5,58 @@ + + + + +теперь nginx по умолчанию собирается с библиотекой PCRE2. + + +now nginx is built with the PCRE2 library by default. + + + + + +теперь nginx всегда использует sendfile(SF_NODISKIO) на FreeBSD. + + +now nginx always uses sendfile(SF_NODISKIO) on FreeBSD. + + + + + +поддержка sendfile(SF_NOCACHE) на FreeBSD. + + +support for sendfile(SF_NOCACHE) on FreeBSD. + + + + + +переменная $ssl_curve. + + +the $ssl_curve variable. + + + + + +при использовании HTTP/2 без SSL вместе с директивами sendfile и aio +соединения могли зависать. + + +connections might hang +when using HTTP/2 without SSL with the "sendfile" and "aio" directives. + + + + + + diff --git a/misc/GNUmakefile b/misc/GNUmakefile index 36dd638361..58e9f7f00a 100644 --- a/misc/GNUmakefile +++ b/misc/GNUmakefile @@ -6,9 +6,9 @@ TEMP = tmp CC = cl OBJS = objs.msvc8 -OPENSSL = openssl-1.1.1l +OPENSSL = openssl-1.1.1m ZLIB = zlib-1.2.11 -PCRE = pcre-8.44 +PCRE = pcre2-10.39 release: export diff --git a/src/core/ngx_buf.h b/src/core/ngx_buf.h index 4b665629c7..fdcd0cddf6 100644 --- a/src/core/ngx_buf.h +++ b/src/core/ngx_buf.h @@ -90,9 +90,6 @@ struct ngx_output_chain_ctx_s { #if (NGX_HAVE_FILE_AIO || NGX_COMPAT) ngx_output_chain_aio_pt aio_handler; -#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT) - ssize_t (*aio_preload)(ngx_buf_t *file); -#endif #endif #if (NGX_THREADS || NGX_COMPAT) diff --git a/src/core/ngx_connection.h b/src/core/ngx_connection.h index 4578d9065d..68fdce53e2 100644 --- a/src/core/ngx_connection.h +++ b/src/core/ngx_connection.h @@ -190,7 +190,7 @@ struct ngx_connection_s { unsigned need_last_buf:1; -#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT) +#if (NGX_HAVE_SENDFILE_NODISKIO || NGX_COMPAT) unsigned busy_count:2; #endif diff --git a/src/core/ngx_module.h b/src/core/ngx_module.h index 8cf3210e8e..6fb455426b 100644 --- a/src/core/ngx_module.h +++ b/src/core/ngx_module.h @@ -41,7 +41,7 @@ #define NGX_MODULE_SIGNATURE_3 "0" #endif -#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT) +#if (NGX_HAVE_SENDFILE_NODISKIO || NGX_COMPAT) #define NGX_MODULE_SIGNATURE_4 "1" #else #define NGX_MODULE_SIGNATURE_4 "0" diff --git a/src/core/ngx_output_chain.c b/src/core/ngx_output_chain.c index fd4603b197..8570742539 100644 --- a/src/core/ngx_output_chain.c +++ b/src/core/ngx_output_chain.c @@ -29,10 +29,6 @@ static ngx_inline ngx_int_t ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf); -#if (NGX_HAVE_AIO_SENDFILE) -static ngx_int_t ngx_output_chain_aio_setup(ngx_output_chain_ctx_t *ctx, - ngx_file_t *file); -#endif static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in); static ngx_int_t ngx_output_chain_align_file_buf(ngx_output_chain_ctx_t *ctx, @@ -260,10 +256,6 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf) } #endif - if (buf->in_file && buf->file->directio) { - return 0; - } - sendfile = ctx->sendfile; #if (NGX_SENDFILE_LIMIT) @@ -272,6 +264,19 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf) sendfile = 0; } +#endif + +#if !(NGX_HAVE_SENDFILE_NODISKIO) + + /* + * With DIRECTIO, disable sendfile() unless sendfile(SF_NOCACHE) + * is available. + */ + + if (buf->in_file && buf->file->directio) { + sendfile = 0; + } + #endif if (!sendfile) { @@ -283,12 +288,6 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf) buf->in_file = 0; } -#if (NGX_HAVE_AIO_SENDFILE) - if (ctx->aio_preload && buf->in_file) { - (void) ngx_output_chain_aio_setup(ctx, buf->file); - } -#endif - if (ctx->need_in_memory && !ngx_buf_in_memory(buf)) { return 0; } @@ -301,28 +300,6 @@ ngx_output_chain_as_is(ngx_output_chain_ctx_t *ctx, ngx_buf_t *buf) } -#if (NGX_HAVE_AIO_SENDFILE) - -static ngx_int_t -ngx_output_chain_aio_setup(ngx_output_chain_ctx_t *ctx, ngx_file_t *file) -{ - ngx_event_aio_t *aio; - - if (file->aio == NULL && ngx_file_aio_init(file, ctx->pool) != NGX_OK) { - return NGX_ERROR; - } - - aio = file->aio; - - aio->data = ctx->filter_ctx; - aio->preload_handler = ctx->aio_preload; - - return NGX_OK; -} - -#endif - - static ngx_int_t ngx_output_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in) diff --git a/src/core/ngx_regex.c b/src/core/ngx_regex.c index 52169f6553..bebf3b6a83 100644 --- a/src/core/ngx_regex.c +++ b/src/core/ngx_regex.c @@ -10,15 +10,22 @@ typedef struct { - ngx_flag_t pcre_jit; + ngx_flag_t pcre_jit; + ngx_list_t *studies; } ngx_regex_conf_t; +static ngx_inline void ngx_regex_malloc_init(ngx_pool_t *pool); +static ngx_inline void ngx_regex_malloc_done(void); + +#if (NGX_PCRE2) +static void * ngx_libc_cdecl ngx_regex_malloc(size_t size, void *data); +static void ngx_libc_cdecl ngx_regex_free(void *p, void *data); +#else static void * ngx_libc_cdecl ngx_regex_malloc(size_t size); static void ngx_libc_cdecl ngx_regex_free(void *p); -#if (NGX_HAVE_PCRE_JIT) -static void ngx_pcre_free_studies(void *data); #endif +static void ngx_regex_cleanup(void *data); static ngx_int_t ngx_regex_module_init(ngx_cycle_t *cycle); @@ -65,31 +72,196 @@ ngx_module_t ngx_regex_module = { }; -static ngx_pool_t *ngx_pcre_pool; -static ngx_list_t *ngx_pcre_studies; +static ngx_pool_t *ngx_regex_pool; +static ngx_list_t *ngx_regex_studies; +static ngx_uint_t ngx_regex_direct_alloc; + +#if (NGX_PCRE2) +static pcre2_compile_context *ngx_regex_compile_context; +static pcre2_match_data *ngx_regex_match_data; +static ngx_uint_t ngx_regex_match_data_size; +#endif void ngx_regex_init(void) { +#if !(NGX_PCRE2) pcre_malloc = ngx_regex_malloc; pcre_free = ngx_regex_free; +#endif } static ngx_inline void ngx_regex_malloc_init(ngx_pool_t *pool) { - ngx_pcre_pool = pool; + ngx_regex_pool = pool; + ngx_regex_direct_alloc = (pool == NULL) ? 1 : 0; } static ngx_inline void ngx_regex_malloc_done(void) { - ngx_pcre_pool = NULL; + ngx_regex_pool = NULL; + ngx_regex_direct_alloc = 0; +} + + +#if (NGX_PCRE2) + +ngx_int_t +ngx_regex_compile(ngx_regex_compile_t *rc) +{ + int n, errcode; + char *p; + u_char errstr[128]; + size_t erroff; + uint32_t options; + pcre2_code *re; + ngx_regex_elt_t *elt; + pcre2_general_context *gctx; + pcre2_compile_context *cctx; + + if (ngx_regex_compile_context == NULL) { + /* + * Allocate a compile context if not yet allocated. This uses + * direct allocations from heap, so the result can be cached + * even at runtime. + */ + + ngx_regex_malloc_init(NULL); + + gctx = pcre2_general_context_create(ngx_regex_malloc, ngx_regex_free, + NULL); + if (gctx == NULL) { + ngx_regex_malloc_done(); + goto nomem; + } + + cctx = pcre2_compile_context_create(gctx); + if (cctx == NULL) { + pcre2_general_context_free(gctx); + ngx_regex_malloc_done(); + goto nomem; + } + + ngx_regex_compile_context = cctx; + + pcre2_general_context_free(gctx); + ngx_regex_malloc_done(); + } + + options = 0; + + if (rc->options & NGX_REGEX_CASELESS) { + options |= PCRE2_CASELESS; + } + + if (rc->options & NGX_REGEX_MULTILINE) { + options |= PCRE2_MULTILINE; + } + + if (rc->options & ~(NGX_REGEX_CASELESS|NGX_REGEX_MULTILINE)) { + rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, + "regex \"%V\" compilation failed: invalid options", + &rc->pattern) + - rc->err.data; + return NGX_ERROR; + } + + ngx_regex_malloc_init(rc->pool); + + re = pcre2_compile(rc->pattern.data, rc->pattern.len, options, + &errcode, &erroff, ngx_regex_compile_context); + + /* ensure that there is no current pool */ + ngx_regex_malloc_done(); + + if (re == NULL) { + pcre2_get_error_message(errcode, errstr, 128); + + if ((size_t) erroff == rc->pattern.len) { + rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, + "pcre2_compile() failed: %s in \"%V\"", + errstr, &rc->pattern) + - rc->err.data; + + } else { + rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, + "pcre2_compile() failed: %s in \"%V\" at \"%s\"", + errstr, &rc->pattern, rc->pattern.data + erroff) + - rc->err.data; + } + + return NGX_ERROR; + } + + rc->regex = re; + + /* do not study at runtime */ + + if (ngx_regex_studies != NULL) { + elt = ngx_list_push(ngx_regex_studies); + if (elt == NULL) { + goto nomem; + } + + elt->regex = rc->regex; + elt->name = rc->pattern.data; + } + + n = pcre2_pattern_info(re, PCRE2_INFO_CAPTURECOUNT, &rc->captures); + if (n < 0) { + p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_CAPTURECOUNT) failed: %d"; + goto failed; + } + + if (rc->captures == 0) { + return NGX_OK; + } + + n = pcre2_pattern_info(re, PCRE2_INFO_NAMECOUNT, &rc->named_captures); + if (n < 0) { + p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMECOUNT) failed: %d"; + goto failed; + } + + if (rc->named_captures == 0) { + return NGX_OK; + } + + n = pcre2_pattern_info(re, PCRE2_INFO_NAMEENTRYSIZE, &rc->name_size); + if (n < 0) { + p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMEENTRYSIZE) failed: %d"; + goto failed; + } + + n = pcre2_pattern_info(re, PCRE2_INFO_NAMETABLE, &rc->names); + if (n < 0) { + p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMETABLE) failed: %d"; + goto failed; + } + + return NGX_OK; + +failed: + + rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, p, &rc->pattern, n) + - rc->err.data; + return NGX_ERROR; + +nomem: + + rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, + "regex \"%V\" compilation failed: no memory", + &rc->pattern) + - rc->err.data; + return NGX_ERROR; } +#else ngx_int_t ngx_regex_compile(ngx_regex_compile_t *rc) @@ -98,11 +270,30 @@ ngx_regex_compile(ngx_regex_compile_t *rc) char *p; pcre *re; const char *errstr; + ngx_uint_t options; ngx_regex_elt_t *elt; + options = 0; + + if (rc->options & NGX_REGEX_CASELESS) { + options |= PCRE_CASELESS; + } + + if (rc->options & NGX_REGEX_MULTILINE) { + options |= PCRE_MULTILINE; + } + + if (rc->options & ~(NGX_REGEX_CASELESS|NGX_REGEX_MULTILINE)) { + rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, + "regex \"%V\" compilation failed: invalid options", + &rc->pattern) + - rc->err.data; + return NGX_ERROR; + } + ngx_regex_malloc_init(rc->pool); - re = pcre_compile((const char *) rc->pattern.data, (int) rc->options, + re = pcre_compile((const char *) rc->pattern.data, (int) options, &errstr, &erroff, NULL); /* ensure that there is no current pool */ @@ -113,13 +304,13 @@ ngx_regex_compile(ngx_regex_compile_t *rc) rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, "pcre_compile() failed: %s in \"%V\"", errstr, &rc->pattern) - - rc->err.data; + - rc->err.data; } else { rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, "pcre_compile() failed: %s in \"%V\" at \"%s\"", errstr, &rc->pattern, rc->pattern.data + erroff) - - rc->err.data; + - rc->err.data; } return NGX_ERROR; @@ -134,8 +325,8 @@ ngx_regex_compile(ngx_regex_compile_t *rc) /* do not study at runtime */ - if (ngx_pcre_studies != NULL) { - elt = ngx_list_push(ngx_pcre_studies); + if (ngx_regex_studies != NULL) { + elt = ngx_list_push(ngx_regex_studies); if (elt == NULL) { goto nomem; } @@ -193,6 +384,83 @@ ngx_regex_compile(ngx_regex_compile_t *rc) return NGX_ERROR; } +#endif + + +#if (NGX_PCRE2) + +ngx_int_t +ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_uint_t size) +{ + size_t *ov; + ngx_int_t rc; + ngx_uint_t n, i; + + /* + * The pcre2_match() function might allocate memory for backtracking + * frames, typical allocations are from 40k and above. So the allocator + * is configured to do direct allocations from heap during matching. + */ + + ngx_regex_malloc_init(NULL); + + if (ngx_regex_match_data == NULL + || size > ngx_regex_match_data_size) + { + /* + * Allocate a match data if not yet allocated or smaller than + * needed. + */ + + if (ngx_regex_match_data) { + pcre2_match_data_free(ngx_regex_match_data); + } + + ngx_regex_match_data_size = size; + ngx_regex_match_data = pcre2_match_data_create(size / 3, NULL); + + if (ngx_regex_match_data == NULL) { + rc = PCRE2_ERROR_NOMEMORY; + goto failed; + } + } + + rc = pcre2_match(re, s->data, s->len, 0, 0, ngx_regex_match_data, NULL); + + if (rc < 0) { + goto failed; + } + + n = pcre2_get_ovector_count(ngx_regex_match_data); + ov = pcre2_get_ovector_pointer(ngx_regex_match_data); + + if (n > size / 3) { + n = size / 3; + } + + for (i = 0; i < n; i++) { + captures[i * 2] = ov[i * 2]; + captures[i * 2 + 1] = ov[i * 2 + 1]; + } + +failed: + + ngx_regex_malloc_done(); + + return rc; +} + +#else + +ngx_int_t +ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_uint_t size) +{ + return pcre_exec(re->code, re->extra, (const char *) s->data, s->len, + 0, 0, captures, size); +} + +#endif + ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log) @@ -227,14 +495,40 @@ ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log) } +#if (NGX_PCRE2) + static void * ngx_libc_cdecl -ngx_regex_malloc(size_t size) +ngx_regex_malloc(size_t size, void *data) { - ngx_pool_t *pool; - pool = ngx_pcre_pool; + if (ngx_regex_pool) { + return ngx_palloc(ngx_regex_pool, size); + } - if (pool) { - return ngx_palloc(pool, size); + if (ngx_regex_direct_alloc) { + return ngx_alloc(size, ngx_cycle->log); + } + + return NULL; +} + + +static void ngx_libc_cdecl +ngx_regex_free(void *p, void *data) +{ + if (ngx_regex_direct_alloc) { + ngx_free(p); + } + + return; +} + +#else + +static void * ngx_libc_cdecl +ngx_regex_malloc(size_t size) +{ + if (ngx_regex_pool) { + return ngx_palloc(ngx_regex_pool, size); } return NULL; @@ -247,19 +541,20 @@ ngx_regex_free(void *p) return; } +#endif -#if (NGX_HAVE_PCRE_JIT) static void -ngx_pcre_free_studies(void *data) +ngx_regex_cleanup(void *data) { - ngx_list_t *studies = data; +#if (NGX_PCRE2 || NGX_HAVE_PCRE_JIT) + ngx_regex_conf_t *rcf = data; ngx_uint_t i; ngx_list_part_t *part; ngx_regex_elt_t *elts; - part = &studies->part; + part = &rcf->studies->part; elts = part->elts; for (i = 0; /* void */ ; i++) { @@ -274,56 +569,83 @@ ngx_pcre_free_studies(void *data) i = 0; } + /* + * The PCRE JIT compiler uses mmap for its executable codes, so we + * have to explicitly call the pcre_free_study() function to free + * this memory. In PCRE2, we call the pcre2_code_free() function + * for the same reason. + */ + +#if (NGX_PCRE2) + pcre2_code_free(elts[i].regex); +#else if (elts[i].regex->extra != NULL) { pcre_free_study(elts[i].regex->extra); } +#endif + } +#endif + + /* + * On configuration parsing errors ngx_regex_module_init() will not + * be called. Make sure ngx_regex_studies is properly cleared anyway. + */ + + ngx_regex_studies = NULL; + +#if (NGX_PCRE2) + + /* + * Free compile context and match data. If needed at runtime by + * the new cycle, these will be re-allocated. + */ + + if (ngx_regex_compile_context) { + pcre2_compile_context_free(ngx_regex_compile_context); + ngx_regex_compile_context = NULL; + } + + if (ngx_regex_match_data) { + pcre2_match_data_free(ngx_regex_match_data); + ngx_regex_match_data = NULL; + ngx_regex_match_data_size = 0; } -} #endif +} static ngx_int_t ngx_regex_module_init(ngx_cycle_t *cycle) { - int opt; - const char *errstr; - ngx_uint_t i; - ngx_list_part_t *part; - ngx_regex_elt_t *elts; + int opt; +#if !(NGX_PCRE2) + const char *errstr; +#endif + ngx_uint_t i; + ngx_list_part_t *part; + ngx_regex_elt_t *elts; + ngx_regex_conf_t *rcf; opt = 0; -#if (NGX_HAVE_PCRE_JIT) - { - ngx_regex_conf_t *rcf; - ngx_pool_cleanup_t *cln; - rcf = (ngx_regex_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_regex_module); +#if (NGX_PCRE2 || NGX_HAVE_PCRE_JIT) + if (rcf->pcre_jit) { +#if (NGX_PCRE2) + opt = 1; +#else opt = PCRE_STUDY_JIT_COMPILE; - - /* - * The PCRE JIT compiler uses mmap for its executable codes, so we - * have to explicitly call the pcre_free_study() function to free - * this memory. - */ - - cln = ngx_pool_cleanup_add(cycle->pool, 0); - if (cln == NULL) { - return NGX_ERROR; - } - - cln->handler = ngx_pcre_free_studies; - cln->data = ngx_pcre_studies; - } +#endif } + #endif ngx_regex_malloc_init(cycle->pool); - part = &ngx_pcre_studies->part; + part = &rcf->studies->part; elts = part->elts; for (i = 0; /* void */ ; i++) { @@ -338,6 +660,23 @@ ngx_regex_module_init(ngx_cycle_t *cycle) i = 0; } +#if (NGX_PCRE2) + + if (opt) { + int n; + + n = pcre2_jit_compile(elts[i].regex, PCRE2_JIT_COMPLETE); + + if (n != 0) { + ngx_log_error(NGX_LOG_INFO, cycle->log, 0, + "pcre2_jit_compile() failed: %d in \"%s\", " + "ignored", + n, elts[i].name); + } + } + +#else + elts[i].regex->extra = pcre_study(elts[i].regex->code, opt, &errstr); if (errstr != NULL) { @@ -360,12 +699,16 @@ ngx_regex_module_init(ngx_cycle_t *cycle) elts[i].name); } } +#endif #endif } ngx_regex_malloc_done(); - ngx_pcre_studies = NULL; + ngx_regex_studies = NULL; +#if (NGX_PCRE2) + ngx_regex_compile_context = NULL; +#endif return NGX_OK; } @@ -374,7 +717,8 @@ ngx_regex_module_init(ngx_cycle_t *cycle) static void * ngx_regex_create_conf(ngx_cycle_t *cycle) { - ngx_regex_conf_t *rcf; + ngx_regex_conf_t *rcf; + ngx_pool_cleanup_t *cln; rcf = ngx_pcalloc(cycle->pool, sizeof(ngx_regex_conf_t)); if (rcf == NULL) { @@ -383,11 +727,21 @@ ngx_regex_create_conf(ngx_cycle_t *cycle) rcf->pcre_jit = NGX_CONF_UNSET; - ngx_pcre_studies = ngx_list_create(cycle->pool, 8, sizeof(ngx_regex_elt_t)); - if (ngx_pcre_studies == NULL) { + cln = ngx_pool_cleanup_add(cycle->pool, 0); + if (cln == NULL) { return NULL; } + cln->handler = ngx_regex_cleanup; + cln->data = rcf; + + rcf->studies = ngx_list_create(cycle->pool, 8, sizeof(ngx_regex_elt_t)); + if (rcf->studies == NULL) { + return NULL; + } + + ngx_regex_studies = rcf->studies; + return rcf; } @@ -412,7 +766,21 @@ ngx_regex_pcre_jit(ngx_conf_t *cf, void *post, void *data) return NGX_CONF_OK; } -#if (NGX_HAVE_PCRE_JIT) +#if (NGX_PCRE2) + { + int r; + uint32_t jit; + + jit = 0; + r = pcre2_config(PCRE2_CONFIG_JIT, &jit); + + if (r != 0 || jit != 1) { + ngx_conf_log_error(NGX_LOG_WARN, cf, 0, + "PCRE2 library does not support JIT"); + *fp = 0; + } + } +#elif (NGX_HAVE_PCRE_JIT) { int jit, r; diff --git a/src/core/ngx_regex.h b/src/core/ngx_regex.h index 680486c816..182373a22b 100644 --- a/src/core/ngx_regex.h +++ b/src/core/ngx_regex.h @@ -12,24 +12,38 @@ #include #include -#include +#if (NGX_PCRE2) + +#define PCRE2_CODE_UNIT_WIDTH 8 +#include + +#define NGX_REGEX_NO_MATCHED PCRE2_ERROR_NOMATCH /* -1 */ -#define NGX_REGEX_NO_MATCHED PCRE_ERROR_NOMATCH /* -1 */ +typedef pcre2_code ngx_regex_t; -#define NGX_REGEX_CASELESS PCRE_CASELESS +#else + +#include +#define NGX_REGEX_NO_MATCHED PCRE_ERROR_NOMATCH /* -1 */ typedef struct { pcre *code; pcre_extra *extra; } ngx_regex_t; +#endif + + +#define NGX_REGEX_CASELESS 0x00000001 +#define NGX_REGEX_MULTILINE 0x00000002 + typedef struct { ngx_str_t pattern; ngx_pool_t *pool; - ngx_int_t options; + ngx_uint_t options; ngx_regex_t *regex; int captures; @@ -49,10 +63,14 @@ typedef struct { void ngx_regex_init(void); ngx_int_t ngx_regex_compile(ngx_regex_compile_t *rc); -#define ngx_regex_exec(re, s, captures, size) \ - pcre_exec(re->code, re->extra, (const char *) (s)->data, (s)->len, 0, 0, \ - captures, size) -#define ngx_regex_exec_n "pcre_exec()" +ngx_int_t ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, + ngx_uint_t size); + +#if (NGX_PCRE2) +#define ngx_regex_exec_n "pcre2_match()" +#else +#define ngx_regex_exec_n "pcre_exec()" +#endif ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log); diff --git a/src/event/ngx_event.h b/src/event/ngx_event.h index a4a2733905..1d04ff56db 100644 --- a/src/event/ngx_event.h +++ b/src/event/ngx_event.h @@ -147,10 +147,6 @@ struct ngx_event_aio_s { ngx_fd_t fd; -#if (NGX_HAVE_AIO_SENDFILE || NGX_COMPAT) - ssize_t (*preload_handler)(ngx_buf_t *file); -#endif - #if (NGX_HAVE_EVENTFD) int64_t res; #endif diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c index c1485f35a8..ef9eec7be9 100644 --- a/src/event/ngx_event_openssl.c +++ b/src/event/ngx_event_openssl.c @@ -2942,7 +2942,7 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size) { #ifdef BIO_get_ktls_send - int sslerr; + int sslerr, flags; ssize_t n; ngx_err_t err; @@ -2954,8 +2954,20 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size) ngx_set_errno(0); +#if (NGX_HAVE_SENDFILE_NODISKIO) + + flags = (c->busy_count <= 2) ? SF_NODISKIO : 0; + + if (file->file->directio) { + flags |= SF_NOCACHE; + } + +#else + flags = 0; +#endif + n = SSL_sendfile(c->ssl->connection, file->file->fd, file->file_pos, - size, 0); + size, flags); ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "SSL_sendfile: %d", n); @@ -2974,6 +2986,10 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size) ngx_post_event(c->read, &ngx_posted_events); } +#if (NGX_HAVE_SENDFILE_NODISKIO) + c->busy_count = 0; +#endif + c->sent += n; return n; @@ -3038,6 +3054,23 @@ ngx_ssl_sendfile(ngx_connection_t *c, ngx_buf_t *file, size_t size) ngx_post_event(c->read, &ngx_posted_events); } +#if (NGX_HAVE_SENDFILE_NODISKIO) + + if (ngx_errno == EBUSY) { + c->busy_count++; + + ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, + "SSL_sendfile() busy, count:%d", c->busy_count); + + if (c->write->posted) { + ngx_delete_posted_event(c->write); + } + + ngx_post_event(c->write, &ngx_posted_next_events); + } + +#endif + c->write->ready = 0; return NGX_AGAIN; } diff --git a/src/http/ngx_http_copy_filter_module.c b/src/http/ngx_http_copy_filter_module.c index b47e4afa75..bd3028bc76 100644 --- a/src/http/ngx_http_copy_filter_module.c +++ b/src/http/ngx_http_copy_filter_module.c @@ -19,10 +19,6 @@ typedef struct { static void ngx_http_copy_aio_handler(ngx_output_chain_ctx_t *ctx, ngx_file_t *file); static void ngx_http_copy_aio_event_handler(ngx_event_t *ev); -#if (NGX_HAVE_AIO_SENDFILE) -static ssize_t ngx_http_copy_aio_sendfile_preload(ngx_buf_t *file); -static void ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev); -#endif #endif #if (NGX_THREADS) static ngx_int_t ngx_http_copy_thread_handler(ngx_thread_task_t *task, @@ -128,9 +124,6 @@ ngx_http_copy_filter(ngx_http_request_t *r, ngx_chain_t *in) #if (NGX_HAVE_FILE_AIO) if (ngx_file_aio && clcf->aio == NGX_HTTP_AIO_ON) { ctx->aio_handler = ngx_http_copy_aio_handler; -#if (NGX_HAVE_AIO_SENDFILE) - ctx->aio_preload = ngx_http_copy_aio_sendfile_preload; -#endif } #endif @@ -207,81 +200,6 @@ ngx_http_copy_aio_event_handler(ngx_event_t *ev) ngx_http_run_posted_requests(c); } - -#if (NGX_HAVE_AIO_SENDFILE) - -static ssize_t -ngx_http_copy_aio_sendfile_preload(ngx_buf_t *file) -{ - ssize_t n; - static u_char buf[1]; - ngx_event_aio_t *aio; - ngx_http_request_t *r; - ngx_output_chain_ctx_t *ctx; - - aio = file->file->aio; - r = aio->data; - - if (r->aio) { - /* - * tolerate sendfile() calls if another operation is already - * running; this can happen due to subrequests, multiple calls - * of the next body filter from a filter, or in HTTP/2 due to - * a write event on the main connection - */ - - return NGX_AGAIN; - } - - n = ngx_file_aio_read(file->file, buf, 1, file->file_pos, NULL); - - if (n == NGX_AGAIN) { - aio->handler = ngx_http_copy_aio_sendfile_event_handler; - - r->main->blocked++; - r->aio = 1; - - ctx = ngx_http_get_module_ctx(r, ngx_http_copy_filter_module); - ctx->aio = 1; - } - - return n; -} - - -static void -ngx_http_copy_aio_sendfile_event_handler(ngx_event_t *ev) -{ - ngx_event_aio_t *aio; - ngx_connection_t *c; - ngx_http_request_t *r; - - aio = ev->data; - r = aio->data; - c = r->connection; - - r->main->blocked--; - r->aio = 0; - ev->complete = 0; - -#if (NGX_HTTP_V2) - - if (r->stream) { - /* - * for HTTP/2, update write event to make sure processing will - * reach the main connection to handle sendfile() preload - */ - - c->write->ready = 1; - c->write->active = 0; - } - -#endif - - c->write->handler(c->write); -} - -#endif #endif diff --git a/src/http/ngx_http_core_module.c b/src/http/ngx_http_core_module.c index 12f7bfb276..72e67544c7 100644 --- a/src/http/ngx_http_core_module.c +++ b/src/http/ngx_http_core_module.c @@ -4588,19 +4588,6 @@ ngx_http_core_set_aio(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) #endif } -#if (NGX_HAVE_AIO_SENDFILE) - - if (ngx_strcmp(value[1].data, "sendfile") == 0) { - clcf->aio = NGX_HTTP_AIO_ON; - - ngx_conf_log_error(NGX_LOG_WARN, cf, 0, - "the \"sendfile\" parameter of " - "the \"aio\" directive is deprecated"); - return NGX_CONF_OK; - } - -#endif - if (ngx_strncmp(value[1].data, "threads", 7) == 0 && (value[1].len == 7 || value[1].data[7] == '=')) { diff --git a/src/os/unix/ngx_freebsd_sendfile_chain.c b/src/os/unix/ngx_freebsd_sendfile_chain.c index 750c12fc35..5c6a830d87 100644 --- a/src/os/unix/ngx_freebsd_sendfile_chain.c +++ b/src/os/unix/ngx_freebsd_sendfile_chain.c @@ -32,23 +32,22 @@ ngx_chain_t * ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) { - int rc, flags; - off_t send, prev_send, sent; - size_t file_size; - ssize_t n; - ngx_uint_t eintr, eagain; - ngx_err_t err; - ngx_buf_t *file; - ngx_event_t *wev; - ngx_chain_t *cl; - ngx_iovec_t header, trailer; - struct sf_hdtr hdtr; - struct iovec headers[NGX_IOVS_PREALLOCATE]; - struct iovec trailers[NGX_IOVS_PREALLOCATE]; -#if (NGX_HAVE_AIO_SENDFILE) - ngx_uint_t ebusy; - ngx_event_aio_t *aio; + int rc, flags; + off_t send, prev_send, sent; + size_t file_size; + ssize_t n; + ngx_err_t err; + ngx_buf_t *file; + ngx_uint_t eintr, eagain; +#if (NGX_HAVE_SENDFILE_NODISKIO) + ngx_uint_t ebusy; #endif + ngx_event_t *wev; + ngx_chain_t *cl; + ngx_iovec_t header, trailer; + struct sf_hdtr hdtr; + struct iovec headers[NGX_IOVS_PREALLOCATE]; + struct iovec trailers[NGX_IOVS_PREALLOCATE]; wev = c->write; @@ -77,11 +76,6 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) eagain = 0; flags = 0; -#if (NGX_HAVE_AIO_SENDFILE && NGX_SUPPRESS_WARN) - aio = NULL; - file = NULL; -#endif - header.iovs = headers; header.nalloc = NGX_IOVS_PREALLOCATE; @@ -90,7 +84,7 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) for ( ;; ) { eintr = 0; -#if (NGX_HAVE_AIO_SENDFILE) +#if (NGX_HAVE_SENDFILE_NODISKIO) ebusy = 0; #endif prev_send = send; @@ -179,9 +173,14 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) sent = 0; -#if (NGX_HAVE_AIO_SENDFILE) - aio = file->file->aio; - flags = (aio && aio->preload_handler) ? SF_NODISKIO : 0; +#if (NGX_HAVE_SENDFILE_NODISKIO) + + flags = (c->busy_count <= 2) ? SF_NODISKIO : 0; + + if (file->file->directio) { + flags |= SF_NOCACHE; + } + #endif rc = sendfile(file->file->fd, c->fd, file->file_pos, @@ -199,7 +198,7 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) eintr = 1; break; -#if (NGX_HAVE_AIO_SENDFILE) +#if (NGX_HAVE_SENDFILE_NODISKIO) case NGX_EBUSY: ebusy = 1; break; @@ -252,41 +251,30 @@ ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) in = ngx_chain_update_sent(in, sent); -#if (NGX_HAVE_AIO_SENDFILE) +#if (NGX_HAVE_SENDFILE_NODISKIO) if (ebusy) { if (sent == 0) { c->busy_count++; - if (c->busy_count > 2) { - ngx_log_error(NGX_LOG_ALERT, c->log, 0, - "sendfile(%V) returned busy again", - &file->file->name); - - c->busy_count = 0; - aio->preload_handler = NULL; - - send = prev_send; - continue; - } + ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, + "sendfile() busy, count:%d", c->busy_count); } else { c->busy_count = 0; } - n = aio->preload_handler(file); - - if (n > 0) { - send = prev_send + sent; - continue; + if (wev->posted) { + ngx_delete_posted_event(wev); } + ngx_post_event(wev, &ngx_posted_next_events); + + wev->ready = 0; return in; } - if (flags == SF_NODISKIO) { - c->busy_count = 0; - } + c->busy_count = 0; #endif