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net.server_epoll: Ensure calls to :write() return something

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With opportunistic writes enabled, writes can return what :onwritable()
returns, thus :onwritable() should return something sensible at each
spot.

Should prevent whatever caused
> Error writing to connection: (nil)
Tho this was probably harmless
This commit is contained in:
Kim Alvefur 2021-12-06 10:59:14 +01:00
parent 2807299fba
commit 05a9010c85
1 changed files with 2 additions and 1 deletions
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3
net/server_epoll.lua
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@ -489,7 +489,7 @@ end
function interface:onwritable()
self._writing = true; -- prevent reentrant writes etc
self:onconnect();
if not self.conn then return; end -- could have been closed in onconnect
if not self.conn then return nil, "no-conn"; end -- could have been closed in onconnect
self:on("predrain");
local buffer = self.writebuffer;
local data = buffer or "";
@ -542,6 +542,7 @@ function interface:onwritable()
self:destroy();
return ok, err;
end
return true, err;
end
-- The write buffer has been successfully emptied