summaryrefslogtreecommitdiff
path: root/script/service/service.lua
blob: bd9c425f3ac135aaea1628b61978f274a1e25d12 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
---@diagnostic disable: deprecated
local pub    = require 'pub'
local thread = require 'bee.thread'
local await  = require 'await'
local timer  = require 'timer'
local proto  = require 'proto'
local vm     = require 'vm'
local util   = require 'utility'
local files  = require 'files'
local lang   = require 'language'
local ws     = require 'workspace'
local time   = require 'bee.time'
local config = require 'config'

local m = {}
m.type = 'service'
m.idleClock = 0.0

local function countMemory()
    local mems = {}
    local total  = 0
    mems[0] = collectgarbage 'count'
    total = total + collectgarbage 'count'
    for id, brave in ipairs(pub.braves) do
        mems[id] = brave.memory
        total = total + brave.memory
    end
    return total, mems
end

function m.reportMemoryCollect()
    local totalMemBefore = countMemory()
    local clock = os.clock()
    collectgarbage()
    local passed = os.clock() - clock
    local totalMemAfter, mems  = countMemory()

    local lines = {}
    lines[#lines+1] = '    --------------- Memory ---------------'
    lines[#lines+1] = ('        Total: %.3f(%.3f) MB'):format(totalMemAfter / 1000.0, totalMemBefore / 1000.0)
    for i = 0, #mems do
        lines[#lines+1] = ('        # %02d : %.3f MB'):format(i, mems[i] / 1000.0)
    end
    lines[#lines+1] = ('        Collect garbage takes [%.3f] sec'):format(passed)
    return table.concat(lines, '\n')
end

function m.reportMemory()
    local totalMem, mems = countMemory()

    local lines = {}
    lines[#lines+1] = '    --------------- Memory ---------------'
    lines[#lines+1] = ('        Total: %.3f MB'):format(totalMem / 1000.0)
    for i = 0, #mems do
        lines[#lines+1] = ('        # %02d : %.3f MB'):format(i, mems[i] / 1000.0)
    end
    return table.concat(lines, '\n')
end

function m.reportTask()
    local total     = 0
    local running   = 0
    local suspended = 0
    local normal    = 0
    local dead      = 0

    for co in pairs(await.coMap) do
        total = total + 1
        local status = coroutine.status(co)
        if status == 'running' then
            running = running + 1
        elseif status == 'suspended' then
            suspended = suspended + 1
        elseif status == 'normal' then
            normal = normal + 1
        elseif status == 'dead' then
            dead = dead + 1
        end
    end

    local lines = {}
    lines[#lines+1] = '    --------------- Coroutine ---------------'
    lines[#lines+1] = ('        Total:     %d'):format(total)
    lines[#lines+1] = ('        Running:   %d'):format(running)
    lines[#lines+1] = ('        Suspended: %d'):format(suspended)
    lines[#lines+1] = ('        Normal:    %d'):format(normal)
    lines[#lines+1] = ('        Dead:      %d'):format(dead)
    return table.concat(lines, '\n')
end

function m.reportCache()
    local total = 0
    local dead  = 0

    for cache in pairs(vm.cacheTracker) do
        total = total + 1
        if cache.dead then
            dead = dead + 1
        end
    end

    local lines = {}
    lines[#lines+1] = '    --------------- Cache ---------------'
    lines[#lines+1] = ('        Total: %d'):format(total)
    lines[#lines+1] = ('        Dead:  %d'):format(dead)
    return table.concat(lines, '\n')
end

function m.reportProto()
    local holdon  = 0
    local waiting = 0

    for _ in pairs(proto.holdon) do
        holdon = holdon + 1
    end
    for _ in pairs(proto.waiting) do
        waiting = waiting + 1
    end

    local lines = {}
    lines[#lines+1] = '    --------------- Proto ---------------'
    lines[#lines+1] = ('        Holdon:   %d'):format(holdon)
    lines[#lines+1] = ('        Waiting:  %d'):format(waiting)
    return table.concat(lines, '\n')
end

function m.report()
    local t = timer.loop(60.0, function ()
        local lines = {}
        lines[#lines+1] = ''
        lines[#lines+1] = '========= Medical Examination Report ========='
        lines[#lines+1] = m.reportMemory()
        lines[#lines+1] = m.reportTask()
        lines[#lines+1] = m.reportCache()
        lines[#lines+1] = m.reportProto()
        lines[#lines+1] = '=============================================='

        log.debug(table.concat(lines, '\n'))
    end)
    t:onTimer()
end

function m.startTimer()
    pub.task('timer', 1)
    while true do
        pub.step(not m.workingClock)
        if await.step() then
            m.sleeping = false
            if not m.workingClock then
                m.workingClock = time.monotonic()
            end
        else
            if m.workingClock then
                m.workingClock = nil
                m.idleClock = time.monotonic()
                m.reportStatus()
            end
        end
        timer.update()
    end
end

function m.pulse()
    timer.loop(10, function ()
        if not m.workingClock and not m.sleeping and time.monotonic() - m.idleClock >= 300000 then
            m.sleeping = true
            files.flushCache()
            vm.flushCache()
            ws.flushCache()
            collectgarbage()
            collectgarbage()
        end
        m.reportStatus()
    end)
    timer.loop(0.1, function ()
        m.reportStatus()
    end)
end

function m.reportStatus()
    local info = {}
    if m.workingClock and time.monotonic() - m.workingClock > 100 then
        info.text = '$(loading~spin)Lua'
    elseif m.sleeping then
        info.text = "💤Lua"
    else
        info.text = '😺Lua'
    end
    info.tooltip = lang.script('WINDOW_LUA_STATUS', {
        ws  = ws.path or '',
        ast = files.astCount,
        max = files.fileCount,
        mem = collectgarbage('count') / 1000,
    })
    if util.equal(m.lastInfo, info) then
        return
    end
    m.lastInfo = info
    proto.notify('$/status/report', info)
end

config.watch(function (key, value)
    if key == 'Lua.window.statusBar' then
        if value then
            proto.notify('$/status/show')
        else
            proto.notify('$/status/hide')
        end
    end
end)

function m.testVersion()
    local stack = debug.setcstacklimit(200)
    debug.setcstacklimit(stack + 1)
    if debug.setcstacklimit(stack) == stack + 1 then
        proto.notify('window/showMessage', {
            type = 2,
            message = 'It seems to be running in Lua 5.4.0 or Lua 5.4.1 . Please upgrade to Lua 5.4.2 or above. Otherwise, it may encounter weird "C stack overflow", resulting in failure to work properly',
        })
    end
end

function m.start()
    util.enableCloseFunction()
    await.setErrorHandle(log.error)
    pub.recruitBraves(4)
    proto.listen()
    m.report()
    m.pulse()
    m.reportStatus()
    m.testVersion()

    require 'provider'

    m.startTimer()
end

return m