--- a/net/server_epoll.lua Thu Nov 18 01:57:21 2021 +0100
+++ b/net/server_epoll.lua Thu Nov 18 16:21:43 2021 +0100
@@ -487,6 +487,7 @@
-- Called when socket is writable
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
self:on("predrain");
@@ -514,6 +515,7 @@
end
self:setwritetimeout(false);
self:ondrain(); -- Be aware of writes in ondrain
+ self._writing = nil;
return ok;
elseif partial then
self:debug("Sent %d out of %d buffered bytes", partial, #data);
@@ -528,6 +530,7 @@
self:set(nil, true);
self:setwritetimeout();
end
+ self._writing = nil;
if err == "wantwrite" or err == "timeout" then
self:set(nil, true);
self:setwritetimeout();
@@ -557,7 +560,7 @@
elseif buffer == nil then
self.writebuffer = data;
end
- if not self._write_lock then
+ if not self._write_lock and not self._writing then
if self._writable and cfg.opportunistic_writes and not self._opportunistic_write then
self._opportunistic_write = true;
local ret, err = self:onwritable();