From 4071de5797da0a104b4983fc1ad393d3744b6128 Mon Sep 17 00:00:00 2001
From: Andrew Clayton <a.clayton@nginx.com>
Date: Tue, 11 Jun 2024 00:24:28 +0100
Subject: [WIP] HTTP Compression Support

---
 auto/compression | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 auto/help        |  4 +++
 auto/options     |  8 +++++
 auto/sources     | 16 ++++++++++
 auto/summary     |  3 ++
 5 files changed, 127 insertions(+)
 create mode 100644 auto/compression

(limited to 'auto')

diff --git a/auto/compression b/auto/compression
new file mode 100644
index 00000000..684242f2
--- /dev/null
+++ b/auto/compression
@@ -0,0 +1,96 @@
+
+# Copyright (C) Alejandro Colomar
+# Copyright (C) Andrew Clayton
+# Copyright (C) NGINX, Inc.
+
+
+NXT_HAVE_ZLIB=no
+NXT_ZLIB_CFLAGS=
+NXT_ZLIB_LIBS=
+
+NXT_HAVE_ZSTD=no
+NXT_ZSTD_CFLAGS=
+NXT_ZSTD_LIBS=
+
+NXT_HAVE_BROTLI=no
+NXT_BROTLI_CFLAGS=
+NXT_BROTLI_LIBS=
+
+
+if [ $NXT_ZLIB = YES ]; then
+    NXT_ZLIB_CFLAGS="$(pkgconf --cflags-only-I zlib 2>/dev/null || echo "")"
+    NXT_ZLIB_LIBS="$(pkgconf --libs zlib 2>/dev/null || echo "-lz")"
+
+    nxt_feature="zlib"
+    nxt_feature_name=NXT_HAVE_ZLIB
+    nxt_feature_run=no
+    nxt_feature_incs=$NXT_ZLIB_CFLAGS
+    nxt_feature_libs=$NXT_ZLIB_LIBS
+    nxt_feature_test="#include <stdio.h>
+
+                      #include <zlib.h>
+
+                      int main(void) {
+                          puts(zlibVersion());
+                          return 0;
+                      }"
+    . auto/feature
+
+    if [ $nxt_found = yes ]; then
+        NXT_HAVE_ZLIB=YES
+        echo " + zlib version: $(pkgconf --modversion zlib)"
+    fi
+fi
+
+
+if [ $NXT_ZSTD = YES ]; then
+    NXT_ZSTD_CFLAGS="$(pkgconf --cflags-only-I libzstd 2>/dev/null || echo "")"
+    NXT_ZSTD_LIBS="$(pkgconf --libs libzstd 2>/dev/null || echo "-lzstd")"
+
+    nxt_feature="zstd"
+    nxt_feature_name=NXT_HAVE_ZSTD
+    nxt_feature_run=no
+    nxt_feature_incs=$NXT_ZSTD_CFLAGS
+    nxt_feature_libs=$NXT_ZSTD_LIBS
+    nxt_feature_test="#include <stdio.h>
+
+                      #include <zstd.h>
+
+                      int main(void) {
+                          printf(\"zstd version: %u\n\", ZSTD_versionNumber());
+                          return 0;
+                      }"
+    . auto/feature
+
+    if [ $nxt_found = yes ]; then
+        NXT_HAVE_ZSTD=YES
+        echo " + zstd version: $(pkgconf --modversion libzstd)"
+    fi
+fi
+
+
+if [ $NXT_BROTLI = YES ]; then
+    NXT_BROTLI_CFLAGS="$(pkgconf --cflags-only-I libbrotlienc 2>/dev/null || echo "")"
+    NXT_BROTLI_LIBS="$(pkgconf --libs libbrotlienc 2>/dev/null || echo "-lbrotlienc")"
+
+    nxt_feature="brotli"
+    nxt_feature_name=NXT_HAVE_BROTLI
+    nxt_feature_run=no
+    nxt_feature_incs=$NXT_BROTLI_CFLAGS
+    nxt_feature_libs=$NXT_BROTLI_LIBS
+    nxt_feature_test="#include <stdio.h>
+
+                      #include <brotli/encode.h>
+
+                      int main(void) {
+                          printf(\"brotli version: %d\n\",
+                                 BrotliEncoderVersion());
+                          return 0;
+                      }"
+    . auto/feature
+
+    if [ $nxt_found = yes ]; then
+        NXT_HAVE_BROTLI=YES
+        echo " + brotli version: $(pkgconf --modversion libbrotlienc)"
+    fi
+fi
diff --git a/auto/help b/auto/help
index 8f7553f3..0c0d0319 100644
--- a/auto/help
+++ b/auto/help
@@ -50,6 +50,10 @@ cat << END
 
   --openssl            enable OpenSSL library usage
 
+  --zlib               enable zlib compression
+  --zstd               enable zstd compression
+  --brotli             enable brotli compression
+
   --njs                enable njs library usage
 
   --debug              enable debug logging
diff --git a/auto/options b/auto/options
index 0550c699..3becefb8 100644
--- a/auto/options
+++ b/auto/options
@@ -26,6 +26,10 @@ NXT_GNUTLS=NO
 NXT_CYASSL=NO
 NXT_POLARSSL=NO
 
+NXT_ZLIB=NO
+NXT_ZSTD=NO
+NXT_BROTLI=NO
+
 NXT_NJS=NO
 
 NXT_TEST_BUILD_EPOLL=NO
@@ -109,6 +113,10 @@ do
         --cyassl)                        NXT_CYASSL=YES                      ;;
         --polarssl)                      NXT_POLARSSL=YES                    ;;
 
+        --zlib)                          NXT_ZLIB=YES                        ;;
+        --zstd)                          NXT_ZSTD=YES                        ;;
+        --brotli)                        NXT_BROTLI=YES                      ;;
+
         --njs)                           NXT_NJS=YES                         ;;
 
         --test-build-epoll)              NXT_TEST_BUILD_EPOLL=YES            ;;
diff --git a/auto/sources b/auto/sources
index f34d7fd7..3feafa2a 100644
--- a/auto/sources
+++ b/auto/sources
@@ -107,6 +107,7 @@ NXT_LIB_SRCS=" \
     src/nxt_http_websocket.c \
     src/nxt_h1proto_websocket.c \
     src/nxt_fs.c \
+    src/nxt_http_compression.c \
 "
 
 
@@ -211,6 +212,21 @@ if [ $NXT_POLARSSL = YES ]; then
 fi
 
 
+if [ "$NXT_HAVE_ZLIB" = "YES" ]; then
+    NXT_LIB_SRCS="$NXT_LIB_SRCS src/nxt_zlib.c"
+fi
+
+
+if [ "$NXT_HAVE_ZSTD" = "YES" ]; then
+    NXT_LIB_SRCS="$NXT_LIB_SRCS src/nxt_zstd.c"
+fi
+
+
+if [ "$NXT_HAVE_BROTLI" = "YES" ]; then
+    NXT_LIB_SRCS="$NXT_LIB_SRCS src/nxt_brotli.c"
+fi
+
+
 if [ "$NXT_REGEX" = "YES" ]; then
     if [ "$NXT_HAVE_PCRE2" = "YES" ]; then
         NXT_LIB_SRCS="$NXT_LIB_SRCS $NXT_LIB_PCRE2_SRCS"
diff --git a/auto/summary b/auto/summary
index dd7a60a0..d7238152 100644
--- a/auto/summary
+++ b/auto/summary
@@ -28,6 +28,9 @@ Unit configuration summary:
   IPv6 support: .............. $NXT_INET6
   Unix domain sockets support: $NXT_UNIX_DOMAIN
   TLS support: ............... $NXT_OPENSSL
+  zlib support: .............. $NXT_ZLIB
+  zstd support: .............. $NXT_ZSTD
+  brotli support: ............ $NXT_BROTLI
   Regex support: ............. $NXT_REGEX
   njs support: ............... $NXT_NJS
 
-- 
cgit