if mg.lua_type ~= "websocket" then
mg.write("HTTP/1.0 200 OK\r\n")
mg.write("Connection: close\r\n")
mg.write("\r\n")
mg.write("\r\n")
mg.write("\r\n")
mg.write("\r\n")
mg.write("\r\n")
mg.write("Server stats\r\n")
mg.write("\r\n")
mg.write("\r\n")
mg.write([====[
]====])
mg.write("Wait for page load
\r\n")
mg.write("\r\n")
mg.write("\r\n")
return
end
function table.count(tab)
local count = 0
for _ in pairs(tab) do
count = count + 1
end
return count
end
-- table of all active connection
allConnections = {}
connCount = table.count(allConnections)
-- function to get a client identification string
function who(tab)
local ri = allConnections[tab.client].request_info
return ri.remote_addr .. ":" .. ri.remote_port
end
-- Callback to accept or reject a connection
function open(tab)
allConnections[tab.client] = tab
connCount = table.count(allConnections)
return true -- return true to accept the connection
end
-- Callback for "Websocket ready"
function ready(tab)
senddata()
return true -- return true to keep the connection open
end
-- Callback for "Websocket received data"
function data(tab)
senddata()
return true -- return true to keep the connection open
end
-- Callback for "Websocket is closing"
function close(tab)
allConnections[tab.client] = nil
connCount = table.count(allConnections)
end
function senddata()
local date = os.date('*t');
collectgarbage("collect"); -- Avoid adding uncollected Lua memory from this state
mg.write(string.format([[
{"Time": "%u:%02u:%02u",
"Date": "%04u-%02u-%02u",
"Context": %s,
"Common": %s,
"System": \"%s\",
"ws_status": {"Memory": %u, "Connections": %u}
}]],
date.hour, date.min, date.sec,
date.year, date.month, date.day,
mg.get_info("context"),
mg.get_info("common"),
mg.get_info("system"),
collectgarbage("count")*1024,
connCount
));
end
function timer()
senddata()
mg.set_timeout("timer()", 1)
end
mg.set_timeout("timer()", 1)