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Bugfix: mc.close may reference an invalid pointer. See pr #220

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Cloud Wu
2015-01-05 12:17:57 +08:00
parent 52134f9e57
commit ee3f9c6ecd
2 changed files with 12 additions and 7 deletions
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6
service/multicastd.lua
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@@ -68,18 +68,20 @@ end
local function publish(c , source, pack, size)
local group = channel[c]
if group == nil then
-- dead channel, delete the pack
mc.bind(pack, 1)
-- dead channel, delete the pack. mc.bind returns the pointer in pack
local pack = mc.bind(pack, 1)
mc.close(pack)
return
end
mc.bind(pack, channel_n[c])
local msg = skynet.tostring(pack, size)
for k in pairs(group) do
-- the msg is a pointer to the real message, publish pointer in local is ok.
skynet.redirect(k, source, "multicast", c , msg)
end
local remote = channel_remote[c]
if remote then
-- remote publish should unpack the pack, because we should not publish the pointer out.
local _, msg, sz = mc.unpack(pack, size)
local msg = skynet.tostring(msg,sz)
for node in pairs(remote) do