trantor
Non-blocking I/O cross-platform TCP network library, using C++14
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Changelog

All notable changes to this project will be documented in this file.

Unreleased

1.5.28 - 2026-05-06

Fixed

  • Avoid abort on closeWrite shutdown failure.

1.5.27 - 2026-05-06

Changed

  • Add automatic SSL.
  • Add getter for TcpConnection::closeCallback_.
  • Remove spurious executable permissions from non-script sources.

Fixed

  • Fix TRANTOR_USE_TLS cache setting in CMake.
  • Fix TLS implementation quirks.
  • Fix server-side mTLS client certificate hostname validation.

1.5.26 - 2026-01-26

Changed

  • Enable Botan3 on MacOS CI.
  • remove TU specific variables.
  • Support parsing datetime with timezone.

Fixed

  • Fix building error for -Werror=unused-value.
  • Fix SPDLOG_FMT_EXTERNAL definition in CMakeLists.
  • Fix range sendFile() for MinGW.
  • Fix fread check for reading randomness.
  • Fixes to TLS backend.
  • Fix iptos.
  • Fix the error handling of kBufferOffset bytes when adjusting the buffer.

1.5.25 - 2025-10-29

Fixed

  • Fix Date::fromDbStringLocal() when YYYY-MM-DD is given.
  • Fix typo MICRO_SECONDS_PER_SEC.

1.5.24 - 2025-06-20

Changed

  • refactor: replace atomic counter with plain int in RunInLoopTest2.

Fixed

  • Fix compile errors in some case.
  • Fix a bug when sending streams.

1.5.23 - 2025-02-20

Changed

  • Replace ipv4 inet_ntop with a handrolled function.

Fixed

  • Fix some typos.

1.5.22 - 2024-10-27

Fixed

  • Fix a bug in the dtor of EventLoop.
  • Free leaked memory in ares resolver.

1.5.21 - 2024-09-10

API changes list

  • Add a method to reload the SSL certificate and private key on the fly.

Changed

  • Keep log level consistency.

1.5.20 - 2024-07-20

Changed

  • Add byte order detection for internal SHA1 implementation for OSX, POWER, RISC-V and s390.

Fixed

  • Fix Windows CI build fail by using the latest MSVC.
  • Fix the Botan TLS provider build on Linux.
  • Fix "pthread not found" build error when using Android NDK.

1.5.19 - 2024-06-08

changed

  • show forked repository build status.
  • Add cmake-format.
  • Some spelling corrections.

1.5.18 - 2024-05-04

Fixed

  • Fix data type conflict.
  • Fix build on latest c-ares.

1.5.17 - 2024-02-09

Changed

  • Make FileBufferNodeWin aware of UWP Win32 API.
  • Use ssize_t declared by toolchain when available.

1.5.16 - 2024-01-18

Changed

  • Add build badge for individual OS.
  • deinit libressl.
  • Remove mutex.

Fixed

  • Pile of fix for h2.
  • Fix a bug when sending data.
  • Fix c-ares CARES_EXTERN for static builds.
  • Fix header file name issue when cross-compiling on Windows.
  • Fix name issue when cross-compiling.

1.5.15 - 2023-11-27

Changed

  • Feature: Integrate spdlog as logging backend for Trantor Logger.

Fixed

  • Fix the botan backend always validating certificate and OpenSSL allowing empty ALPN.
  • Fix build error on OpenBSD.
  • Fix Botan leaking memory if connection force closed.
  • Fix a cmake warning.
  • Workaround botan backend init failure on MacOS.
  • Fix failing wstr conversion if locale is set to C.

1.5.14 - 2023-09-19

[Fixed]

  • Fix OpenSSL: read can be incomplete.
  • Fix botan provider.
  • Fix botan3 not triggering handshake finish event.
  • Fix an compilation error when no STL lib is found.

1.5.13 - 2023-08-23

Fixed

  • Fix an error when sending files.
  • Include <memory> header in TcpConnectionImpl.cc.

1.5.12 - 2023-08-20

API changes list

  • Add NetEndian versions of toIp and toIpPort.
  • Add setsockopt to TcpClient and TcpServer.
  • Support setting max files in AsyncFileLogger.
  • Support returning multiple results for dns parsing.

Changed

  • Refactor SSL handling.
  • Add ability to use one log file until the size-limit.
  • Make the std::string_view work on windows.
  • Drop Botan 2 support and support Botan 3.
  • Make the getNextLoop method multi-thread safe.
  • Add fallback when OpenSSL not providing BLAKE2b.

Fixed

  • Fix override mark.
  • Add missing <cstdint> header with GCC 13.
  • Fix AresResolver.
  • Fix building built-in hashes on Windows.
  • Fix MSYS2/Cygwin compatibility issues.
  • Fix more build errors on win32/mingw.
  • Fix off_t(on windows off_t defined with long, not longlong).
  • Fix bug with Trantor::Date timeZoneOffset calculation.
  • Fix wrong usage of shared pointer in TcpClient ctor.

1.5.11 - 2023-03-17

API Changes list

  • Add a method to the Logger class to enable local time displaying.
  • TRNANTOR_LOG_COMPACT - compact logs without source code details.

Changed

  • Refactor TcpServer I/O loop logic.

Fixed

  • Fix a conan issue.

1.5.10 - 2023-01-23

API Changes list

Changed

  • Use gtest 1.13 in github actions

Fixed

1.5.9 - 2023-01-23

API Changes list

Changed

  • Search for \ if under msvc

Fixed

1.5.8 - 2022-11-11

API Changes list

Changed

Fixed

  • Fix Date::timezoneOffset().
  • Fix socket fd leak if Connector destruct before connection callback is made.

1.5.7 - 2022-09-25

API changes list

Changed

  • Remove an unnecessary semi-colon.
  • Added support for Solaris.
  • Define ssize_t as std::intptr_t on Windows.
  • Add an environment without openssl to github actions.
  • Added SSL Error Trace Log and mTLS Samples.
  • Use LOG_TRACE instead of LOG_DEBUG.

Fixed

  • Fix a race condition.
  • Fix iterator invalidation bug when stopping TCP server.
  • Partial fix of exception safety in the event loop.

1.5.6 - 2022-07-09

API changes list

  • Add support for sending data streams via callback.
  • Added mTLS support.

Changed

  • Make MsgBuffer constructor explicit.
  • Always queue connectDestroyed() in loop.
  • Stop calling abort() in runtime.
  • Give EventLoopThread::loop_ static lifetime.
  • Optimization SSL name matching.
  • Clarify SSL error message.
  • Rename BUILD_TRANTOR_SHARED to BUILD_SHARED_LIBS.

Fixed

  • Fix tolower with sanitizer cfi
  • include <pthread_np.h> unconditionally on freebsd
  • Fix thread sanitizer.

1.5.5 - 2022-02-19

API changes list

Changed

  • Move EventLoop::runAfter to a template.
  • Remove an assertion when removing channels.
  • Prevent TcpClient::removeConnection call on deleted TcpClient instance.
  • Wait for loop to exit in EventLoop destructor.
  • Add r-reference version of set-callback methods to TcpConnectionImpl.

Fixed

  • Fix a bug when closing connections on Windows/MacOS.
  • Fix logger causes if statement mismatch.

1.5.4 - 2021-12-10

API changes list

Changed

  • Correctly handle the error of the getaddrinfo function

Fixed

  • Fix the error when sending partial files

1.5.3 - 2021-11-28

API changes list

  • TcpClientImpl support SSL client certificate

Changed

  • Allow RVO in fromDbStringLocal

Fixed

  • Make sure resolvers are added when C-Ares is manually disabled

1.5.2 - 2021-10-17

API changes list

Changed

  • Disable setting SSL Configs when using LibreSSL
  • cmake: Use GNUInstallDirs to figure out install dirs
  • support HaikuOS
  • Improve Error handling for certificates/private keys
  • Make c-ares support optional when building
  • Use locale.h
  • Assert fd >= 0 in updateChannel()
  • Add Clang support for -Wall -Wextra -Werror; fix -Wunused-parameter

Fixed

  • Fix a small memory leak
  • Fix errors in log macros
  • Fix a race condition when TcpClient destroyed before connected
  • Fix the error of calling removeAndResetChannel twice
  • Fix a bug when EAGAIN on reading sockets
  • Fix compilation warnings
  • Fix a potential race condition

1.5.1 - 2021-08-08

API changes list

Changed

  • Fix warning C4244 in MSVC
  • Disable strict compiler check on Windows with GCC
  • Add support for paths containing unicode characters on Windows
  • Add BUILD_DOC cmake option (doxygen)
  • Use make_shared instead of shared_ptr(new)
  • Detect and handle MinGW

Fixed

  • Fix the destructor of AresResolver
  • Fix memory leak in NormalResolver

1.5.0 - 2021-06-18

API changes list

  • Enable multiple log files or streams.
  • Add SSL_CONF_cmd support.
  • Add runOnQuit to the EventLoop class.

Changed

  • Export the FixedBuffer.
  • Added a try_compile block to detect if we need to link against atomic.

1.4.1 - 2021-05-15

Changed

  • Add github actions of Windows.
  • Modify the way the log file is opened.
  • Add version/soversion to shared library.
  • Use double instead of long double as the type for timer durations.

Fixed

  • Fix a bug in the TcpConnectionImpl class.
  • Fix constructing Date in a daylight saving timezone.
  • GNU: -Wall -Wextra -Werror; fix related warnings.
  • Add wincrypt.h include for Windows.

1.4.0 - 2021-04-09

API changes list

  • Add isUnspecified() to indicate if IP parsing failed.
  • Add exports macro to allow Shared Library with hidden symbols by default.

Changed

  • Modify the AsyncFileLogger destructor.

Fixed

  • Recycle TimerID in the TimerQueue.

1.3.0 - 2021-03-05

API changes list

  • Add secondsSinceEpoch to trantor::Date.
  • Rename the 'bzero' method of the FixedBuffer class to 'zeroBuffer'.
  • Add SNI support to TcpClient.
  • Add SSL certificate validation.

Changed

  • Change README.md.

1.2.0 - 2021-01-16

API changes list

  • Add LOG_IF and DLOG like glog lib.

Changed

  • Enable github actions.
  • Add support for VS2019.
  • Modify the LockFreeQueue.

Fixed

  • Fix MinGW error with inet_ntop and inet_pton.
  • Fix a macro regression when using MSVC.

1.1.1 - 2020-12-12

Changed

  • Add Openbsd support.

1.1.0 - 2020-10-24

Changed

  • Disable TLS 1.0 and 1.1 by default.
  • Use explicit lambda capture lists.

Fixed

  • Fix a bug in the Date::fromDbStringLocal() method.

1.0.0 - 2020-9-27

API changes list

  • Add the address() method to the TcpServer class.
  • Change some internal methods from public to private in the Channel class.

Changed

  • Update the wepoll library.
  • Add comments in public header files.

1.0.0-rc16 - 2020-8-15

Fixed

  • Fix a bug when sending big files on Windows.

API changes list

  • Add updateEvents() method to the Channel class.

1.0.0-rc15 - 2020-7-16

Fixed

  • Fix installation errors of shared library.

1.0.0-rc14 - 2020-6-14

API changes list

  • Add the moveToCurrentThread() method to EventLoop.

Changed

  • Optimized LockFreeQueue by Reducing Object Construction.

Fixed

  • Fix a bug when sending a file.

1.0.0-rc13 - 2020-5-23

API changes list

  • Make the Channel class as a part of the public API.

1.0.0-rc12 - 2020-5-22

API changes list

  • Add a method to show if the c-ares library is used

Fixed

  • Fix a bug in SSL mode (#85)
  • Use SOCKET type in windows for x86-windows compilation
  • Use env to find bash in build.sh script to support FreeBSD

1.0.0-rc11 - 2020-4-27

API changes list

  • Add fromDbStringLocal() method to the Date class

Fixed

  • Fix a race condition of TimingWheel class
  • Fix localhost resolving on windows

1.0.0-rc10 - 2020-3-28

API changes list

  • Add the send(const void *, size_t) method to the TcpConnection class
  • Add the send(const MsgBufferPtr &) method to TcpConnection class
  • Add stop() method to the TcpServer class

Changed

  • Compile wepoll directly into trantor (Windows)
  • Add CI for Windows
  • Make CMake install files relocatable
  • Modify the Resolver class

1.0.0-rc9 - 2020-2-17

API changes list

  • Add support for a delayed SSL handshake
  • Change a method name of EventLoopThreadPool(getLoopNum() -> size())

Changed

  • Port Trantor to Windows
  • Use SSL_CTX_use_certificate_chain_file instead of SSL_CTX_use_certificate_file()

1.0.0-rc8 - 2019-11-30

API changes list

  • Add the isSSLConnection() method to the TcpConnection class

Changed

  • Use the std::chrono::steady_clock for timers

1.0.0-rc7 - 2019-11-21

Changed

  • Modify some code styles

1.0.0-rc6 - 2019-10-4

API changes list

  • Add index() interface to the EventLoop class.

Changed

  • Fix some compilation warnings.
  • Modify the CMakeLists.txt

1.0.0-rc5 - 2019-08-24

API changes list

  • Remove the resolve method from the InetAddress class.

Added

  • Add the Resolver class that provides high-performance DNS functionality(with c-ares library)
  • Add some unit tests.

1.0.0-rc4 - 2019-08-08

API changes list

  • None

Changed

  • Add TrantorConfig.cmake so that users can use trantor with the find_package(Trantor) command.

Fixed

  • Fix an SSL error (occurs when sending large data via SSL).

1.0.0-rc3 - 2019-07-30

API changes list

  • TcpConnection::setContext, TcpConnection::getContext, etc.
  • Remove the config.h from public API.

Changed

  • Modify the CMakeLists.txt.
  • Modify some log output.
  • Remove some unnecessary std::dynamic_pointer_cast calls.

1.0.0-rc2 - 2019-07-11

Added

  • Add bytes statistics methods to the TcpConnection class.
  • Add the setIoLoopThreadPool method to the TcpServer class.

Changed

  • Ignore SIGPIPE signal when using the TcpClient class.
  • Enable TCP_NODELAY by default (for higher performance).

1.0.0-rc1 - 2019-06-11