Apache Traffic Server 5.2.0 发布，反向代理服务

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Apache Traffic Server 5.2.0 发布，Traffic Server 是一套快速、模块化的兼容 HTTP/1.1 的反向代理服务器，与 Nginx 和 Squid 类似，目前该项目已经转到 Apache 基金会。

该版本包含 bug 修复，新特性和改进，详细介绍请看 这里 。

完整的记录包括：

Sub-task

• [ TS-1476 ] - static analysis: argument with 'nonnull' attribute passed null

• [ TS-1477 ] - static analysis: dead store, dead assignment

• [ TS-1478 ] - static analysis: dead store, dead increment

• [ TS-1479 ] - static analysis: dead store, dead initialization

• [ TS-1480 ] - static analysis: logic error, called C++ object pointer is null

• [ TS-1481 ] - static analysis: logic error, dereference of null pointer

Bug

• [ TS-407 ] - traffic_server not using proxy.config.syslog_facility

• [ TS-898 ] - Fix potential problems from coverity scan

• [ TS-1475 ] - Static analysis: clean up all clang and coverity reports

• [ TS-1535 ] - FetchSM process_fetch_write should ignore event TS_EVENT_VCONN_WRITE_READY

• [ TS-1570 ] - remap doesn't reject request whose Host has extra characters after port (like "test.com:80xxx")

• [ TS-2009 ] - Disallow /0 in all headers

• [ TS-2095 ] - autoconf warnings related to unordered_map

• [ TS-2883 ] - core dump in TSFetchCreate()

• [ TS-2938 ] - Core dump in HttpSM::redirect_request when handling 307

• [ TS-2959 ] - Compiler warnings from gcc 4.9.1

• [ TS-3020 ] - Blind Tunnel fake request URL is IPv4 only

• [ TS-3026 ] - SPDY not forwarding Accept-Encoding headers for Firefox

• [ TS-3035 ] - Double logging on errored transactions

• [ TS-3039 ] - OCSP stapling memory leaks

• [ TS-3042 ] - Fix the static traffic_server build

• [ TS-3048 ] - Removed hard coded directory in TSPluginDirGet Regresson Test

• [ TS-3051 ] - Bad if for perror on AIO.cc

• [ TS-3064 ] - Expose TS_EVENT_VCONN_ACTIVE_TIMEOUT in headers

• [ TS-3065 ] - Delete the header "Transfer-Encoding" when the error body was set

• [ TS-3066 ] - Latest master does not compile on OmniOS

• [ TS-3073 ] - tr-pass: non-http request gets blocked with error message instead of being tunnelled to the origin server

• [ TS-3074 ] - Regression fails on FreeBSD after TS-2736

• [ TS-3076 ] - Coverity warning and build error on RHEL6

• [ TS-3081 ] - ATS doesn't send FIN flag to indicate data complete to the client in some cases..

• [ TS-3083 ] - Double free of FetchSM

• [ TS-3084 ] - Forwarding mode breaks iPhone activation (gs.apple.com)

• [ TS-3085 ] - Large POSTs over (relatively) slower connections failing in ats5

• [ TS-3087 ] - Flow control can stall at low water mark values

• [ TS-3092 ] - SSL_CTX_set_timeout should be set even if Server Side Session Cache is disabled

• [ TS-3097 ] - Reloading SSL certificates crashes

• [ TS-3098 ] - Fix the ability to configure keep-alive on post to the origin

• [ TS-3105 ] - Combination of fixes for TS-3084 and TS-3073 causing asserts and segfaults on 5.1 and beyond

• [ TS-3106 ] - ATS error responses do not flush request body

• [ TS-3109 ] - Build broken on ubuntu saucy64

• [ TS-3112 ] - core dump in FetchSM.cc

• [ TS-3120 ] - Overlapping rank in config.remap when using .include directives

• [ TS-3121 ] - Seeing garbage SPDY responses sometimes

• [ TS-3125 ] - SSL ctx is set to a constant allowing for potential inappropriate session reuse.

• [ TS-3129 ] - Parent proxy configuration does not work for incoming HTTPS requests

• [ TS-3130 ] - Core dump in Logging

• [ TS-3152 ] - We offer up H2-14 on current master, even when it's not working / supported

• [ TS-3179 ] - ats_scoped_fd should not provide boolean operators

• [ TS-3184 ] - SPDY window_update not triggered correctly..

• [ TS-3188 ] - Do not set half_close flag for short post on keep_alive client connections

• [ TS-3189 ] - Do not start reading data on server to user agent tunnel too soon

• [ TS-3190 ] - Change producer_run() to run a specific producer in more cases

• [ TS-3191 ] - Confusion with HTTP_TUNNEL_STATIC_PRODUCER

• [ TS-3196 ] - Core dump when handle event check_inactivity

• [ TS-3199 ] - HEAD request over SPDY hangs until inactivity timeout

• [ TS-3202 ] - HTTP Parsing should not allow CTL characters in the method

• [ TS-3205 ] - ASAN complaints on config reload freeing malloc'ed memory with delete[]

• [ TS-3207 ] -  _xstrdup incorrectly calls ink_strlcpy with zero length strings

• [ TS-3221 ] - ink_atoi64 return 0 for input of 0..9

• [ TS-3223 ] - Fix the internal buffer sizing.

• [ TS-3226 ] - SSL data not read from the socket sometimes causing transactions to timeout

• [ TS-3244 ] - stats_over_http plugin does not get the optional path argument properly

• [ TS-3248 ] - 5.2.0 Segmentation fault due to TS-3189

• [ TS-3254 ] - AdminClient.pm broken in v5.2.0

• [ TS-3257 ] - possible memory leak in v5.2.0

• [ TS-3261 ] - possible slow leak in v5.2.0

• [ TS-3262 ] - Build failure using clang on Fedora 21

• [ TS-3265 ] - core dump in spdy_prepare_status_response_and_clean_request

• [ TS-3274 ] - Cache fixup can cause race condition in ram cache.

• [ TS-3276 ] - Cache incompatible between 5.0.1 and 5.2.0

• [ TS-3280 ] - Segfault in new freelist bulk freeing

Improvement

• [ TS-1120 ] - Use ink_zero / ats_zero instead of calling memset when zeroing a variable or member.

• [ TS-2119 ] - mysql_remap plugin is in the source tree but does not build

• [ TS-2289 ] - Only support AIO_MODE_THREAD and AIO_MODE_NATIVE

• [ TS-2561 ] - Remove app-template from examples

• [ TS-2945 ] - Balancer plugin forward to other port than 80

• [ TS-2989 ] - ats_speed: implement In-Place-Resource-Optimization flow

• [ TS-3006 ] - Augment SNI callback processing

• [ TS-3023 ] - Support space separated values in inline plugin parameters in remap rules

• [ TS-3024 ] - Build with OPENSSL_NO_SSL_INTERN

• [ TS-3033 ] - Reimplement management protocol

• [ TS-3034 ] - Unanchored traffic_line metrics match

• [ TS-3041 ] - Add a way to show the installation layout

• [ TS-3044 ] - Linux native AIO should use eventfd if available to signal thread

• [ TS-3047 ] - The Makefile.am for traffic_top is inconsistent with the rest of the build system

• [ TS-3054 ] - Premature origin connection reset: flush partial data received to client before closing client connection

• [ TS-3068 ] - Remove usage of Boost

• [ TS-3069 ] - Add mysql_remap to automake

• [ TS-3070 ] - Consistent span configuration

• [ TS-3071 ] - Emit JSON numbers in stats_over_http

• [ TS-3093 ] - Add additional functionality to IpAddr.

• [ TS-3103 ] - Improve privilege elevation

• [ TS-3114 ] - Refactor IpMap to make the RB tree a shared data structure

• [ TS-3116 ] - Add support for tracking the use of the ioBuffers

• [ TS-3131 ] - Revise the certificates loading procedure

• [ TS-3135 ] - Disable SSLv3 by default

• [ TS-3143 ] - Convert DFA class to Regex and add support for JIT

• [ TS-3147 ] - Improvements to ESI plugin first byte flush feature

• [ TS-3150 ] - atscppapi should support streaming HTTP fetch

• [ TS-3154 ] - Add proxy port to access log

• [ TS-3155 ] - Add a value test method to the MIMEField class

• [ TS-3156 ] - Mutex[Try]Lock bool() operator change and unused API removal

• [ TS-3157 ] - standardize --help and --version options

• [ TS-3171 ] - Tidy up Tokenizer interface

• [ TS-3178 ] - ProxyAllocator improvements

• [ TS-3185 ] - Increase the default spdy initial_window_size_in setting to 1 mb

• [ TS-3194 ] - Remove unused proxy.config.plugin.plugin_mgmt_dir

• [ TS-3233 ] - Add drain option to restart API

New Feature

• [ TS-1432 ] - API is missing TSMutexDestroy

• [ TS-2314 ] - New config to allow unsatifiable Range: request to go straight to Origin

• [ TS-2417 ] - Add forward secrecy support with DHE (SSL related)

• [ TS-2503 ] - Dynamic TLS record size tuning

• [ TS-2682 ] - Add per remap configuration / activation to background_fetch

• [ TS-2683 ] - Add some control for which content to activate the background_fetch plugin

• [ TS-2955 ] - Support variable expansion in set-redirect operator for header_rewrite

• [ TS-2956 ] - Add ssl_pre_handshake hook for better plugin access to SSL handling and allow for combination of blind tunnel and tunnel proxying

• [ TS-3059 ] - Logging API is missing a TSTextLogObjectRollingSizeMbSet()

• [ TS-3080 ] - OpenSSL implementation of TLS session cache is very slow.

• [ TS-3101 ] - Add TSHttpHdrHostGet

• [ TS-3108 ] - Add port matching condition to header_rewrite

• [ TS-3115 ] - Add server response time field in custom logging fields

• [ TS-3119 ] - Add option to support SO_LINGER to origin server

• [ TS-3127 ] - Add config for OpenSSL session cache auto clear

• [ TS-3139 ] - Add script to "replicate" a response across a set of proxy caches (using PUSH)

• [ TS-3145 ] - traffic_line backtrace support

• [ TS-3149 ] - Move Via decoder out of traffic_line, and make a separate traffic_via tool

• [ TS-3192 ] - Implement proxy.config.config_dir

• [ TS-3195 ] - Improved crash logging