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f0b2c026e542
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COPYING @ 13552:f0b2c026e542

net.server_epoll: Improve efficiency of sending much buffered data Problem: The string slice operations when a lot of data gets buffered ends up being expensive and memory-consuming. We have util.dbuffer for precisely this kind of thing. I want to keep the behavior of writebuffer being upgraded from nil to a string to full buffer since the last step involves three table allocations, where the previous buffer method only used one. Avoiding those allocations for simple writes like white space keep alive feels like it would keep memory churn down. This work was started in 2020
author Kim Alvefur <zash@zash.se>
date Sat, 09 Nov 2024 00:37:15 +0100
parent 12354:3ce3633527af
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All source code in this project is released under the below MIT license. Some
components are not authored by the Prosody maintainers, but such code is
itself either released under a MIT license or declared public domain.

---

Copyright (C) 2008-2022 Matthew Wild
Copyright (C) 2008-2020 Waqas Hussain
Copyright (C) 2010-2022 Kim Alvefur

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

---

util-src/encodings.c:
  Parts included from Lua 5.3. Copyright (C) 1994-2015 Lua.org, PUC-Rio.

util-src/signal.c:
  Copyright (C) 2007  Patrick J. Donnelly (batrick@batbytes.com)
  See full copyright notice in the source file.

util-src/struct.c:
  Copyright (C) 2010-2018 Lua.org, PUC-Rio. All rights reserved.
  See full copyright notice in the source file.

net/dns.lua:
  public domain 20080404 lua@ztact.com