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README
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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.
1. DIRECTORY STRUCTURE
trafficserver/ ............ Top src dir
|-- build/ ................ Custom macros for configure.ac
|-- ci/ ................... Quality assurance and other CI tools and configs
|-- configs/ .............. Configurations
|-- contrib/ .............. Various contributed auxiliary pieces
|-- doc/ .................. Documentations for Traffic Server
|-- admin-guide/ ...... Admin guide documentations
|-- appendices/ ....... Appendices of Traffic Server
|-- developer-guide/ .. Documentaions for developers
|-- dot/ .............. Graphviz source files for docs pictures
|-- static/ ........... Static resources
|-- uml/ .............. Documentations in UML
|-- example/ .............. Example plugins
|-- iocore/ ...............
|-- aio/ .............. Asynchronous I/O core
|-- cache/ ............ Disk and RAM cache
|-- eventsystem/ ...... Event Driven Engine
|-- dns/ .............. DNS (asynchronous)
|-- hostdb/ ........... Internal DNS cache
|-- net/ .............. Network
|-- utils/ ............ Utilities
|-- lib/ ..................
|-- cppapi/ ........... C++ api wrapper for plugin developers
|-- perl/ ............. Perl libraries for e.g. mgmt access and configurations
|-- records/ .......... Library for config files
|-- ts/ ............... Base / core library
|-- tsconfig/.......... New config parser and library (experimental)
|-- wccp/ ............. WCCP implementation
|-- yamlcpp/ .......... Library for YAML of C++
|-- mgmt/ ................. Management server and tools
|-- plugins/ .............. Stable core plugins
|-- experimental/ ..... Experimental core plugins
|-- proxy/ ................ HTTP proxy logic
|-- api/ .............. Plugin API includes
|-- hdrs/ ............. Headers parsing and management
|-- http/ ............. The actual HTTP protocol implementation
|---http2/ ............ HTTP/2 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_manager/ .. The manager process for Traffic Server
|-- 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
|-- 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
2. 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 v7.0.0 and later, gcc 4.8.1 or later is required, since we now use
and require the C++11 standard.
Fedora / CentOS / RHEL:
autoconf
automake
libtool
pkgconfig
perl-ExtUtils-MakeMaker
gcc/g++ or clang/clang++
openssl-devel
tcl-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
libmodule-install-perl
gcc/g++ or clang/clang++
libssl-dev
tcl-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
tcl-dev
linux-headers
OSX (we recommend HomeBrew):
autoconf
automake
pkg-config
libtool
tcl-tk (or tcl from Homebrew-Cask)
openssl
pcre
FreeBSD
devel/gmake
devel/autoconf
devel/automake
devel/pkgconf
devel/libtool
lang/tcl85
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
omniti/runtime/tcl-8
library/security/openssl
library/pcre
3. Building from distribution
You can download the latest source code from the official Apache Traffic
Server site:
http://trafficserver.apache.org/downloads
(or via the URL shortener: http://s.apache.org/uG). Once downloaded,
follow the instructions:
tar xf trafficserver-2.1.8-unstable.tar.bz2
cd trafficserver-2.1.8-unstable
./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
4. BUILDING FROM GIT REPO
mkdir -p ~/dev # make yourself a development dir
cd ~/dev # enter your development dir
git clone ... # 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
4b. 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
4c. 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
5. INSTALLATION
DEFAULT DIR CONTENTS
/usr/local/var/log/trafficserver log files created at runtime
/usr/local/var/trafficserver runtime files
/usr/local/etc/trafficserver configuration files
/usr/local/bin executable binaries
/usr/local/libexec/trafficserver plugins
6. 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.
7. ADDITIONAL INFO
Web page: https://trafficserver.apache.org/
Wiki: http://cwiki.apache.org/confluence/display/TS/
User mailing list: users@trafficserver.apache.org