59 lines
1.6 KiB
Lua
59 lines
1.6 KiB
Lua
|
local function new(template, maxLines, maxFiles, timeFormat, timeOffset)
|
||
|
|
local template = template or "/public/logfile_%.log"
|
||
|
|
local maxLines = maxLines or 100
|
||
|
|
local maxFiles = maxFiles or 3
|
||
|
|
local timeFormat = timeFormat or "[%Y-%m-%d %H:%M:%S]"
|
||
|
|
local currentFile = 1
|
||
|
|
local currentLine = 0
|
||
|
|
|
||
|
|
local function init()
|
||
|
|
for i = 1, maxFiles do
|
||
|
|
local fileName = template:gsub("%%", i)
|
||
|
|
local file = io.open(fileName, "r")
|
||
|
|
if file then
|
||
|
|
local lines = 0
|
||
|
|
for line in file:lines() do
|
||
|
|
lines = lines + 1
|
||
|
|
end
|
||
|
|
file:close()
|
||
|
|
if lines < maxLines then
|
||
|
|
currentFile = i
|
||
|
|
currentLine = lines
|
||
|
|
break
|
||
|
|
end
|
||
|
|
else
|
||
|
|
currentFile = i
|
||
|
|
break
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
local function rotateFile()
|
||
|
|
currentFile = currentFile % maxFiles + 1
|
||
|
|
currentLine = 0
|
||
|
|
local fileName = template:gsub("%%", currentFile)
|
||
|
|
os.remove(fileName)
|
||
|
|
end
|
||
|
|
|
||
|
|
local function write(line)
|
||
|
|
if currentLine >= maxLines then
|
||
|
|
rotateFile()
|
||
|
|
end
|
||
|
|
local fileName = template:gsub("%%", currentFile)
|
||
|
|
local file = io.open(fileName, "a")
|
||
|
|
if not file then
|
||
|
|
print("Failed to open file: " .. fileName)
|
||
|
|
return
|
||
|
|
end
|
||
|
|
file:write(os.date(timeFormat) .. " " .. line .. "\n")
|
||
|
|
file:close()
|
||
|
|
currentLine = currentLine + 1
|
||
|
|
end
|
||
|
|
|
||
|
|
init()
|
||
|
|
|
||
|
|
return write
|
||
|
|
end
|
||
|
|
|
||
|
|
return new
|