diff options
| -rw-r--r-- | net/cqueues.lua | 48 |
1 files changed, 2 insertions, 46 deletions
diff --git a/net/cqueues.lua b/net/cqueues.lua index 8c4c756f..84d59f15 100644 --- a/net/cqueues.lua +++ b/net/cqueues.lua @@ -16,55 +16,11 @@ local cq; if server.cq then -- server provides cqueues object cq = server.cq; -elseif server.get_backend() == "select" and server._addtimer then -- server_select +elseif server.watchfd then cq = cqueues.new(); - local function step() + server.watchfd(cq:pollfd(), function () assert(cq:loop(0)); - end - - -- Use wrapclient (as wrapconnection isn't exported) to get server_select to watch cq fd - local handler = server.wrapclient({ - getfd = function() return cq:pollfd(); end; - settimeout = function() end; -- Method just needs to exist - close = function() end; -- Need close method for 'closeall' - }, nil, nil, {}); - - -- Only need to listen for readable; cqueues handles everything under the hood - -- readbuffer is called when `select` notes an fd as readable - handler.readbuffer = step; - - -- Use server_select low lever timer facility, - -- this callback gets called *every* time there is a timeout in the main loop - server._addtimer(function(current_time) - -- This may end up in extra step()'s, but cqueues handles it for us. - step(); - return cq:timeout(); end); -elseif server.event and server.base then -- server_event - cq = cqueues.new(); - -- Only need to listen for readable; cqueues handles everything under the hood - local EV_READ = server.event.EV_READ; - -- Convert a cqueues timeout to an acceptable timeout for luaevent - local function luaevent_safe_timeout(cq) - local t = cq:timeout(); - -- if you give luaevent 0 or nil, it re-uses the previous timeout. - if t == 0 then - t = 0.000001; -- 1 microsecond is the smallest that works (goes into a `struct timeval`) - elseif t == nil then -- pick something big if we don't have one - t = 0x7FFFFFFF; -- largest 32bit int - end - return t - end - local event_handle; - event_handle = server.base:addevent(cq:pollfd(), EV_READ, function(e) - -- Need to reference event_handle or this callback will get collected - -- This creates a circular reference that can only be broken if event_handle is manually :close()'d - local _ = event_handle; - -- Run as many cqueues things as possible (with a timeout of 0) - -- If an error is thrown, it will break the libevent loop; but prosody resumes after logging a top level error - assert(cq:loop(0)); - return EV_READ, luaevent_safe_timeout(cq); - end, luaevent_safe_timeout(cq)); else error "NYI" end |