uWebSockets 0.10.0，可扩展的WebSocket服务器库
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性能和可伸缩性优化：
[*] Node.js:
[*] Greatly improved memory scalability. One million connections require 1.3 GB of user space memory - 65% of what v0.9.0 required and 8% of what ws 1.1.0 requires.
[*] Slight throughput performance gain (up to 27x faster than ws 1.1.0, up from 24x with v0.9.0).
[*] New optional (subject-to-change) low-level C-like interface exposed as require('uws').native - for those who don't mind trading a bit of productivity for improved efficiency.
[*] Node.js and/or C++
[*] Throughput has been improved ~20% despite the increased level of abstraction (up to 5 million messages echoed per second using the C++ interface and one Intel i5 CPU core).
[*] Permessage-deflate requires way less memory per connection (1 byte) due to shared z_stream by default.
新特性：
[*] Node.js and C++
[*] Client support - thanks to @jimmyt857 for work on the early prototype!
[*] Basic subprotocol support (it will simply accept any subprotocol).
[*] C++
[*] Greatly improved code quality.
[*] Plenty of automatic test cases have been added, all passing cleanly under Valgrind.
[*] Simplified threading, transfer connections between CPU cores "dynamically" during the connection lifetime.
[*] SO_REUSEPORT support (goes well together with connection transferring).
[*] Path routing (GET /whateverPath).
[*] Concept of groups, one group share callbacks and broadcast scope.
[*] New interface allows more complex set-ups (one group can listen to many ports, be it SSL or non-SSL or both)
Bug 修复:
[*] Adds proper bounds checking to UTF-8 check.
[*] Fixes a potential bug with short writes over SSL connections.
[*] Proper SSL renegotiation support (SSL_read might need to write, etc).
[*] IPv6 & IPv4 support.
发行说明：
[*] https://github.com/uWebSockets/uWebSockets/releases/tag/v0.10.0
下载地址：
[*] Source code (zip)
[*] Source code (tar.gz)
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