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koreader/frontend/ui/message/zyremessagequeue.lua
2016-02-15 22:34:28 -08:00

48 lines
1.3 KiB
Lua

local ffi = require("ffi")
local DEBUG = require("dbg")
local MessageQueue = require("ui/message/messagequeue")
local _ = require("ffi/zeromq_h")
local czmq = ffi.load("libs/libczmq.so.1")
local zyre = ffi.load("libs/libzyre.so.1")
local ZyreMessageQueue = MessageQueue:new{
header = {},
}
function ZyreMessageQueue:start()
self.node = zyre.zyre_new()
self.poller = czmq.zpoller_new(zyre.zyre_socket(self.node), nil)
for key, value in pairs(self.header) do
zyre.zyre_set_header(self.node, key, value)
end
--zyre.zyre_set_verbose(self.node)
zyre.zyre_set_interface(self.node, "wlan0")
zyre.zyre_start(self.node)
zyre.zyre_join(self.node, "GLOBAL")
--zyre.zyre_dump(self.node)
end
function ZyreMessageQueue:stop()
if self.node ~= nil then
DEBUG("stop zyre node")
zyre.zyre_stop(self.node)
zyre.zyre_destroy(ffi.new('zyre_t *[1]', self.node))
end
if self.poller ~= nil then
czmq.zpoller_destroy(ffi.new('zpoller_t *[1]', self.poller))
end
end
function ZyreMessageQueue:waitEvent()
if czmq.zpoller_wait(self.poller, 0) ~= nil then
local msg = zyre.zyre_recv(self.node)
if msg ~= nil then
table.insert(self.messages, msg)
end
end
return self:handleZMsgs(self.messages)
end
return ZyreMessageQueue