# v2.4.19 2021.05.18

v2.4.19 2021.05.18

en

• fix TARS_OPENTARCKING not report trace bug
• update mysql-client to support cmake 3.20
• fix doc README.md 404

cn

• 修复打开TARS_OPENTARCKING宏时，没有上报trace信息的问题
• update mysql-client to support cmake 3.20
• fix doc README.md 404

## v2.4.18 2021.04.13

v2.4.18 2021.04.13

en

• fix tc_thread_queue,Optimizing the swarm effect
• fix epoll server connection close cause crash bug

cn

• 修复tc_thread_queue 优化惊群效应
• 修复epoll server 连接关闭时可能带来的crash

v2.4.17 2021.04.02

v2.4.17 2021.04.02

en

• fix tc_time bug of erase caused by timer repeat event
• Fix the MySQL client library to solve the problem of compiling under cmake3.20
• Fix tc_config, key has no escaped bug
• Fix the scheduling mechanism to avoid the problem of 1 s scheduling delay

cn

• 修复tc_timer repeat事件带来的无法erase的问题
• 修复引用的mysql-client库, 解决cmake3.20下编译的问题
• 修复tc_config key没有转义的bug
• 修复协程调度机制, 避免出现总是出现1s调度延时的问题

# v2.4.16 2021.03.28

v2.4.16 2021.03.28

en

• tc_epoll_server add sendBufferDirect
• tc_epoll_server fd auto closed when forked
• fix tc_common time zone bug
• fix hash call bug
• fix EndpoingManager.cpp add missing break
• Fix bug that Popen fails to return null pointer and uses it directly without judgment.
• fix to avoid coredump while application exit
• fix hash table and consistent hash ring are not updated when service node weight is updated
• fix crash When the number of processing pressure test connections is greater than the maximum number of service connections, and the connections are established and disconnected frequently
• fix In Linux and windows, it is a small end. It corrects the definition error of byte order conversion function, such as tars_ ntonll
• set timeout options to prevent "connnect", "real_query" to be blocked for tens of minutes
• Fix the function name (tc_bitmap) in the exception
• update protocol

cn

• tc_epoll_server 添加 sendBufferDirect
• tc_epoll_server fd添加fork后自动close属性
• 修复 tc_common 中时区函数的时区的bug
• 修复hash第一次建立连接不稳定的bug
• 修复EndpoingManager.cpp 缺少 missing break的bug
• 修复服务退出时可能的crash
• 修复 popen 失败返回空指针 没有判断就直接使用的BUG。
• 修复解决服务节点权重更新时哈希表和一致性哈希环不更新的问题
• 修复同一服务有多个obj的情况，同一hash值调用不同的obj会hash到不同的服务器，因为addNode会根据desc(ip+port)计算md5,导致顺序不一致
• 修复处理压测连接数大于服务最大连接数,并且有连接频繁建立、断开时
• 修复windows下大小端的问题
• mysql 增加超时的参数设置
• 修复tc_bitmap异常字符串处理的bug
• 更新protocol引用

v2.4.15

v2.4.15 2020.12.30

en

• fix tc_consistent_hash_new.cpp hash bug
• add ONLY_LIB, not build examples/servers by default, if you want build examples, please cmake .. -DONLY_LIB=OFF && make -j4
• change format of some files to UTF-8 BOM to fix compile errors under windows without changing any codes in these files.
• fix tc_common prime judgment bug
• fix tars-tools.cmake link pthread bug in ubuntu

cn

• 修改tc_consistent_hash_new.cpp hash的bug
• 添加ONLY_LIB编译选项, 默认不再编译examples服务, 如果有需要请: cmake .. -DONLY_LIB=OFF && make -j4
• 修改部分文件的utf8格式, 避免windows下的编译错误
• 修改tc_common prime judgment bug
• 修改ubuntu下, tars-tools.cmake link pthread bug

v2.4.14

v2.4.14 2020.11.09

en

• fix TC_Shm::init windows not set _bOwner
• cmake copy .tars to tarsproto/protocol in windows
• epoll add/del/mod and return value
• ServantProxyThreadData reset when communicator terminate
• get rid of the singleton. You can start multiple applications in a process!
• when epoll server exit, close all fd.
• fix EndpointManager decontructor
• fix communicator terminate
• application support parse string config
• fix hash bug in first connection
• fix tc_sha, __LITTLE_ENDIAN bug in windows/mac
• hello server add hash test
• fix compiler warning
• tc_shm when detach, set _pshm = NULL

cn

• 修改 TC_Shm::init in windows 没有设置 _bOwner变量的bug
• 修改tars-tools.cmake, 在windows 平台下cmake 复制 .tars 到 tarsproto/protocol
• epoll add/del/mod 等接口增加返回值
• communicator 结束时调用ServantProxyThreadData reset
• 尽量去掉libservant中的单例, 这样在一个进程中可以启动多个Application
• 当epoll server退出时, 关闭所有的句柄
• 修复EndpointManager析构函数
• 修改communicator结束时可能的crash
• Application内部增加直接初始化函数, 支持string类型的配置
• 修改第一次创建连接时hash不准的bug
• 修复windows/mac平台上, tc_sha, __LITTLE_ENDIAN不支持的bug
• Hello server增加hash测试
• 修复编译警告
• tc_shm当调用detach时, 设置_pshm = NULL

v2.4.13

en

• Fix Windows compilation errors (missing bison / flex generated files)
• Network epoll notification handle is changed to UDP handle instead of socket pipe mode to save the number of handles
• Fix tars-tools.cmake support mysql link

cn

• 修复windows编译错误(漏提交bison/flex生成的文件)
• 网络epoll通知句柄改成udp句柄, 不采用socket pipe模式, 节省句柄数量
• 修复tars-tools.cmake 支持mysql的link

v2.4.12

v2.4.12 2020.09.23

en

• tc_timer fix compiler warning
• fix dye bug
• fix http keep-alive bug

cn

• tc_timer修复编译警告
• 修复染色的bug
• 修复http keep-alive bug

v2.4.11

v2.4.11 2020.09.18

en

• fix gtest compiler bug
• fix epoll memory leak in windows
• fix tc_encoder crash bug
• fix tc_clientsocket bug
• fix tc_timer memory leak
• fix tc_openssl mode not be used
• fix TC_ Http2 failure problem (header cannot use temporary variables)
• always set thread data host info
• Adding the initialization of enumeration value in the resetDefautlt function
• Part of the file encoding format is adjusted to utf8 BOM to ensure that there is no problem in Windows compilation
• tc_common add various date processing functions
• tc_common add floating point comparison function
• tc_thread add multi thread hash logic
• tc_port add environment variable acquisition and system event registration callback (compatible with multi platform)
• Adjust tc_sem_mutex event name (under Windows) to facilitate subsequent maintenance
• rpc add support for http/sock4/sock5 proxy
• application add ssl bind check
• Fix the bug of RPC in HTTP short SSL package connection (under Windows)
• communicator add update endpoint
• fix communicator exit logic to avoid possible crash in exit
• optimize the memory copy problem, reduce the memory copy, and improve the performance
• Adjust the custom callback and put it in servantproxy

cn

• 修复gtest编译错误
• 修复windows下, epoll.cpp中的内存泄露
• 修改tc_encoder crash 的bug
• 修复tc_clientsocket在大包下的bug
• 修复tc_timer内存泄露问题
• 修复tc_openssl 代码中mode没生效的bug
• 修复rpc在http短连接以及ssl大包下的bug(windows下)
• 修复tc_http2 失败的问题(header不能用临时变量)
• ServantProxy调用时总是在线程私有变量中设置host info
• 在resetDefautlt函数中增加枚举值的初始化
• 部分文件编码格式调整成utf8 bom
• tc_common增加各类时间处理函数
• tc_common增加浮点数比较算法
• tc_thread增加多线程hash逻辑
• tc_port增加环境变量获取以及系统事件注册回调(兼容多平台)
• 调整tc_sem_mutex事件名称(windows下), 便于后续维护
• rpc增加http/sock4/sock5支持
• application 增加ssl效验
• communicator增加主动更新endpoint的功能
• communicator完善退出逻辑, 避免退出时可能的crash
• 进一步优化内存copy问题, 减少内存copy,提升性能
• 调整自定义回调, 放在ServantProxy中

v2.4.10 20200902

en

• fix ssl EndpointManager.cpp bug
• gbk2utf8 mode default set to ICONV_IGNORE

cn

• 修复ssl下, EndpointManager.cpp 的bug
• 将gbk2utf8 mode 缺省值设置为ICONV_IGNORE