Apache Traffic Server

Traffic Server is a high-performance building block for cloud services. It's more than just a caching proxy server; it also has support for plugins to build large scale web applications.

DIRECTORY STRUCTURE

trafficserver ............. Top src dir
├── ci .................... Quality assurance and other CI tools and configs
├── configs ............... Configurations
├── contrib ............... Various contributed auxiliary pieces
├── doc ................... Documentation for Traffic Server
│   ├── admin-guide ....... Admin guide documentations
│   ├── appendices ........ Appendices of Traffic Server
│   ├── developer-guide ... Documentation for developers
│   ├── dot ............... Graphviz source files for docs pictures
│   ├── static ............ Static resources
│   └── uml ............... Documentation in UML
├── example ............... Example plugins
├── iocore ................
│   ├── aio ............... Asynchronous I/O core
│   ├── cache ............. Disk and RAM cache
│   ├── dns ............... DNS (asynchronous)
│   ├── eventsystem ....... Event Driven Engine
│   ├── hostdb ............ Internal DNS cache
│   ├── net ............... Network
│   │   └── quic .......... QUIC implementation
│   └── utils ............. Utilities
├── lib ...................
│   ├── records ........... Library for config files
│   └── yamlcpp ........... Library for YAML of C++
├── m4 .................... Custom macros for configure.ac
├── mk .................... Includes for Makefiles
├── mgmt .................. JSONRPC server/management and tools
├── plugins ............... Stable core plugins
│   └── experimental ...... Experimental core plugins
├── proxy ................. HTTP proxy logic
│   ├── hdrs .............. Headers parsing and management
│   ├── http .............. The actual HTTP protocol implementation
│   ├── http2 ............. HTTP/2 implementation
│   ├── http3 ............. HTTP/3 implementation
│   ├── logging ........... Flexible logging
│   └── shared ............ Shared files
├── rc .................... Installation programs and scripts
├── src ................... Source for all the main binaries / applications
│   ├── traffic_cache_tool  Tool to interact with the Traffic Server cache
│   ├── traffic_crashlog .. Helper process that catches Traffic Server crashes
│   ├── traffic_ctl ....... Command line management tool
│   ├── traffic_layout .... Display information on the build and runtime directory structure
│   ├── traffic_logcat .... Convert binary log file to plain text
│   ├── traffic_logstats .. Log parsing and metrics calculation utility
│   ├── traffic_server .... Main proxy server
│   ├── traffic_top ....... Top like tool for viewing Traffic Server statistics
│   ├── traffic_via ....... Tool for decoding the Traffic Server Via header codes
│   ├── traffic_wccp ...... Program speaking the client side of the WCCP
│   ├── tscore ............ Base / core library
│   ├── tscpp ............. C++ api wrapper for plugin developers
│   └── wccp .............. WCCP implementation
├── tests ................. Different tests for Traffic Server
├── tools ................. Directory of various tools
├── INSTALL ............... Build and installation guide
├── LAYOUT ................ Traffic Server default layout
├── LICENSE ............... Full license text
├── NOTICE ................ Copyright notices
├── README ................ Intro, links, build info
├── README-EC2 ............ Info on EC2 support
├── REVIEWERS ............. (Incomplete) list of areas with committer interest
└── STATUS ................ Release history and information

REQUIREMENTS

This section outlines build requirements for different OS distributions. This may be out of date compared to the on-line requirements at

https://cwiki.apache.org/confluence/display/TS/Building.

As of ATS v9.0.0 and later, gcc 7 or later is required, since we now use and require the C++17 standard.

Fedora / CentOS / RHEL:

autoconf
automake
libtool
pkgconfig
gcc/g++ or clang/clang++
openssl-devel
pcre-devel
ncurses-devel and libcurl-devel(optional, needed for traffic_top)
libcap-devel (optional, highly recommended)
hwloc-devel (optional, highly recommended)
flex (optional, needed for e.g. WCCP)

Ubuntu / Debian

autoconf
automake
libtool
pkg-config
gcc/g++ or clang/clang++
zlib1g-dev
libssl-dev
libpcre3-dev
libcap-dev (optional, highly recommended)
libhwloc-dev (optional, highly recommended)
libncurses5-dev (optional, required for e.g.: traffic_top)
libcurl4-openssl-dev (optional, required for e.g.: traffic_top)
flex (optional, required for e.g. WCCP)

Alpine Linux

build-base
libexecinfo-dev
pcre-dev
libressl-dev
autoconf
automake
libtool
linux-headers

macOS (we recommend HomeBrew):

autoconf
automake
pkg-config
libtool
openssl
pcre

FreeBSD

devel/gmake
devel/autoconf
devel/automake
devel/pkgconf
devel/libtool
security/openssl
devel/pcre
textproc/flex (optional, install newer version from ports, fix PATH)
devel/hwloc (optional, highly recommended)

OmniOS:

developer/gcc46
developer/build/gnu-make
developer/build/autoconf
developer/build/automake-111
developer/build/libtool
library/security/openssl
library/pcre

Building from distribution

You can download the latest source code from the official Apache Traffic Server site:

https://trafficserver.apache.org/downloads

(or via the URL shortener: http://s.apache.org/uG). Once downloaded, follow the instructions:

tar jxvf trafficserver-9.1.3.tar.bz2
cd trafficserver-9.1.3
./configure            # configure the build environment to create Makefiles
make                   # execute the compile

This will build with a destination prefix of /usr/local. You can finish the installation with

sudo make install

BUILDING FROM GIT REPO

git clone https://github.com/apache/trafficserver.git   # get the source code from ASF Git repository
cd trafficserver                                        # enter the checkout directory
autoreconf -if                                          # generate the configure script and Makefile.in files
./configure                                             # configure the build environment to create Makefiles
make                                                    # execute the compile

Instructions for building on EC2

NOTE: Alternately you may use the scripts under 'contrib' which will automate the install for trafficserver under EC2 which is HIGHLY RECOMMENDED. See 'README-EC2' for further details.

As root do the following when using Ubuntu

mkdir -p /mnt          #EC2 Storage Mount, where storage is located
cd /mnt
git clone ...          # get the source code from ASF Git repo
cd trafficserver       # enter the checkout dir
autoreconf -i --force  # generate the configure script and Makefile.in files
./configure
make

As root do the following when using Fedora Core 8 kernel

mkdir -p /mnt          #EC2 Storage Mount, where storage is located
cd /mnt
git clone ...          # get the source code from ASF Git repo
cd trafficserver       # enter the checkout dir
autoreconf -i --force  # generate the configure script and Makefile.in files
./configure --disable-eventfd
make

Instructions for building on FreeBSD

The only difference is how to run configure and make:

MAKE=gmake ./configure # make sure that gmake is the make we use
gmake

INSTALLATION

/usr/local
├── /var/log/trafficserver   log files created at runtime
├── /var/trafficserver       runtime files
├── /etc/trafficserver       configuration files
├── /bin                     executable binaries
└── /libexec/trafficserver   plugins

CRYPTO NOTICE

This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See http://www.wassenaar.org/ for more information.

The U.S. Government Department of Commerce, Bureau of Industry and Security (BIS), has classified this software as Export Commodity Control Number (ECCN) 5D002.C.1, which includes information security software using or performing cryptographic functions with asymmetric algorithms. The form and manner of this Apache Software Foundation distribution makes it eligible for export under the License Exception ENC Technology Software Unrestricted (TSU) exception (see the BIS Export Administration Regulations, Section 740.13) for both object code and source code.

The following provides more details on the included cryptographic software:

The functionality of OpenSSL http://www.openssl.org/ is utilized in parts of the software.

Fuzzing

FLAGS

export CC=clang
export CXX=clang++
export CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link"
export CXXFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link"
export LIB_FUZZING_ENGINE=-fsanitize=fuzzer

Compile

mkdir -p build && cd build/
cmake -DENABLE_POSIX_CAP=OFF -DENABLE_FUZZING=ON -DYAML_BUILD_SHARED_LIBS=OFF ../.
make -j$(nproc)

ADDITIONAL INFO

Web page: https://trafficserver.apache.org/
Wiki: https://cwiki.apache.org/confluence/display/TS/
User mailing list: [email protected]

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