Changelogs

• allow creation of multiple engines on the same protocol and port (#419)
• opt: byte alignment, optimization from 144 to 136 byte (#369)
• fix, unix socket bind should be only used in passive mode (#373)
• Fix gnet.Conn not compatible with net.Conn on method Close (#348)
• fix the bug of the return value of conn.WriteTo (#344)

🧨 Breaking changes

• opt: redefine AsyncCallback, pass in the error message 691e07747d11e3be90fb3b2996deb19448aa1e0e

🚀 Features

• opt: implement Close() for gnet.Conn to make it compatible with net.Conn (#348)
• feat: implement a new API to convert and add net.Conn into gnet.Client c296922d171e64bcd0a97b1bf7eeb7adc747dad6
• allow creation of multiple engines on the same protocol and port (#419)
• feat: add multicast UDP listener support (#412)

🛩 Enhancements

• opt: reduce the memory allocation when a connection is idle 27667f3caad72fed296f86a2a5f624253ce01a56

🐛 Bugfixes

• bug: set the correct number of bytes written by conn.WriteTo() (#344)
• bug: fix the issue of discarding bytes in buffer mistakenly in Conn.Read() 02820252e2e2a74ece265379386441dd1d4df2d9
• bug: bind socket only when it's in passive mode (#373)
• bug: fix the compile error on linux/mips f2e2fa31adc7694bc45b62aec261ccbe6d77819f
• bug: return io.EOF in Read(), comply with io.Reader and io.Writer 3c3c519b8c57e750231db3d191e7257b5a3cf51d
• bug: fix the issue failing to listen on 0.0.0.0 on linux/arm64 c9eeca1ee0a2d4cce1702d6c529f523fd3786e43
• opt: avoid the long hanging when the peer crashes c138ac53b732540dcff6364d12823f5b6a8f10a8
• opt: put the bytes of net.Addr.Zone back to pool when connection is closed 50406b34552ef6fb86795a9ee6c0e54ad71ae322

🗃 Misc

• opt: refine the logic of eventfd in poller 38aa2e0a03ca438c91100c16029ee0b7e6859c07
• opt: fieldalignment, optimization from 144 to 104 byte f70489f555c7f627fcd268907f316dd02425da61
• opt: improve the internal packages of math and bytes f1727999f277e995e8a33319a8e772d9b17b75c9

Full Changelog: https://github.com/panjf2000/gnet/compare/v2.0.0...v2.2.0

Thanks to all these contributors: @0-haha, @JemmyH, @ccssrryy, @jdamick, @leki75, @panjf2000, @zhongweikang and zhongweikang for making this release possible.