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
|
local subprocess = require 'bee.subprocess'
local util = require 'utility'
local await = require 'await'
local pub = require 'pub'
local jsonrpc = require 'jsonrpc'
local define = require 'proto.define'
local json = require 'json'
local reqCounter = util.counter()
local m = {}
m.ability = {}
m.waiting = {}
m.holdon = {}
function m.getMethodName(proto)
if proto.method:sub(1, 2) == '$/' then
return proto.method, true
else
return proto.method, false
end
end
function m.on(method, callback)
m.ability[method] = callback
end
function m.response(id, res)
if id == nil then
log.error('Response id is nil!', util.dump(res))
return
end
assert(m.holdon[id])
m.holdon[id] = nil
local data = {}
data.id = id
data.result = res == nil and json.null or res
local buf = jsonrpc.encode(data)
--log.debug('Response', id, #buf)
io.write(buf)
end
function m.responseErr(id, code, message)
if id == nil then
log.error('Response id is nil!', util.dump(message))
return
end
assert(m.holdon[id])
m.holdon[id] = nil
local buf = jsonrpc.encode {
id = id,
error = {
code = code,
message = message,
}
}
--log.debug('ResponseErr', id, #buf)
io.write(buf)
end
function m.notify(name, params)
local buf = jsonrpc.encode {
method = name,
params = params,
}
--log.debug('Notify', name, #buf)
io.write(buf)
end
---@async
function m.awaitRequest(name, params)
local id = reqCounter()
local buf = jsonrpc.encode {
id = id,
method = name,
params = params,
}
--log.debug('Request', name, #buf)
io.write(buf)
local result, error = await.wait(function (resume)
m.waiting[id] = resume
end)
if error then
log.warn(('Response of [%s] error [%d]: %s'):format(name, error.code, error.message))
end
return result
end
function m.request(name, params, callback)
local id = reqCounter()
local buf = jsonrpc.encode {
id = id,
method = name,
params = params,
}
--log.debug('Request', name, #buf)
io.write(buf)
m.waiting[id] = function (result, error)
if error then
log.warn(('Response of [%s] error [%d]: %s'):format(name, error.code, error.message))
end
if callback then
callback(result)
end
end
end
function m.doMethod(proto)
local method, optional = m.getMethodName(proto)
local abil = m.ability[method]
if not abil then
if not optional then
log.warn('Recieved unknown proto: ' .. method)
end
if proto.id then
m.responseErr(proto.id, define.ErrorCodes.MethodNotFound, method)
end
return
end
if proto.id then
m.holdon[proto.id] = proto
end
await.call(function () ---@async
--log.debug('Start method:', method)
if proto.id then
await.setID('proto:' .. proto.id)
end
local clock = os.clock()
local ok = false
local res
-- 任务可能在执行过程中被中断，通过close来捕获
local response <close> = function ()
local passed = os.clock() - clock
if passed > 0.2 then
log.debug(('Method [%s] takes [%.3f]sec.'):format(method, passed))
end
--log.debug('Finish method:', method)
if not proto.id then
return
end
await.close('proto:' .. proto.id)
if ok then
m.response(proto.id, res)
else
m.responseErr(proto.id, proto._closeReason or define.ErrorCodes.InternalError, res)
end
end
ok, res = xpcall(abil, log.error, proto.params)
await.delay()
end)
end
function m.close(id, reason)
local proto = m.holdon[id]
if not proto then
return
end
proto._closeReason = reason
await.close('proto:' .. id)
end
function m.doResponse(proto)
local id = proto.id
local resume = m.waiting[id]
if not resume then
log.warn('Response id not found: ' .. util.dump(proto))
return
end
m.waiting[id] = nil
if proto.error then
resume(nil, proto.error)
return
end
resume(proto.result)
end
function m.listen()
subprocess.filemode(io.stdin, 'b')
subprocess.filemode(io.stdout, 'b')
io.stdin:setvbuf 'no'
io.stdout:setvbuf 'no'
pub.task('loadProto')
end
return m
|
