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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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提交
45c70c29
编写于
9月 04, 2020
作者:
A
Alex Dima
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Fixes #83672
上级
6f223f28
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
65 addition
and
8 deletion
+65
-8
src/vs/base/parts/ipc/common/ipc.net.ts
src/vs/base/parts/ipc/common/ipc.net.ts
+65
-8
未找到文件。
src/vs/base/parts/ipc/common/ipc.net.ts
浏览文件 @
45c70c29
...
...
@@ -533,6 +533,53 @@ class Queue<T> {
}
}
class
LoadEstimator
{
private
static
_HISTORY_LENGTH
=
10
;
private
static
_INSTANCE
:
LoadEstimator
|
null
=
null
;
public
static
getInstance
():
LoadEstimator
{
if
(
!
LoadEstimator
.
_INSTANCE
)
{
LoadEstimator
.
_INSTANCE
=
new
LoadEstimator
();
}
return
LoadEstimator
.
_INSTANCE
;
}
private
lastRuns
:
number
[];
constructor
()
{
this
.
lastRuns
=
[];
const
now
=
Date
.
now
();
for
(
let
i
=
0
;
i
<
LoadEstimator
.
_HISTORY_LENGTH
;
i
++
)
{
this
.
lastRuns
[
i
]
=
now
-
1000
*
i
;
}
setInterval
(()
=>
{
for
(
let
i
=
LoadEstimator
.
_HISTORY_LENGTH
;
i
>=
1
;
i
--
)
{
this
.
lastRuns
[
i
]
=
this
.
lastRuns
[
i
-
1
];
}
this
.
lastRuns
[
0
]
=
Date
.
now
();
},
1000
);
}
/**
* returns an estimative number, from 0 (low load) to 1 (high load)
*/
public
load
():
number
{
const
now
=
Date
.
now
();
const
historyLimit
=
(
1
+
LoadEstimator
.
_HISTORY_LENGTH
)
*
1000
;
let
score
=
0
;
for
(
let
i
=
0
;
i
<
LoadEstimator
.
_HISTORY_LENGTH
;
i
++
)
{
if
(
now
-
this
.
lastRuns
[
i
]
<=
historyLimit
)
{
score
++
;
}
}
return
1
-
score
/
LoadEstimator
.
_HISTORY_LENGTH
;
}
public
hasHighLoad
():
boolean
{
return
this
.
load
()
>=
0.5
;
}
}
/**
* Same as Protocol, but will actually track messages and acks.
* Moreover, it will ensure no messages are lost if there are no event listeners.
...
...
@@ -559,6 +606,8 @@ export class PersistentProtocol implements IMessagePassingProtocol {
private
_socketReader
:
ProtocolReader
;
private
_socketDisposables
:
IDisposable
[];
private
readonly
_loadEstimator
=
LoadEstimator
.
getInstance
();
private
readonly
_onControlMessage
=
new
BufferedEmitter
<
VSBuffer
>
();
readonly
onControlMessage
:
Event
<
VSBuffer
>
=
this
.
_onControlMessage
.
event
;
...
...
@@ -670,15 +719,19 @@ export class PersistentProtocol implements IMessagePassingProtocol {
const
timeSinceLastIncomingMsg
=
Date
.
now
()
-
this
.
_socketReader
.
lastReadTime
;
if
(
timeSinceLastIncomingMsg
>=
ProtocolConstants
.
KeepAliveTimeoutTime
)
{
// Trash the socket
this
.
_onSocketTimeout
.
fire
(
undefined
);
return
;
// It's been a long time since we received a server message
// But this might be caused by the event loop being busy and failing to read messages
if
(
!
this
.
_loadEstimator
.
hasHighLoad
())
{
// Trash the socket
this
.
_onSocketTimeout
.
fire
(
undefined
);
return
;
}
}
this
.
_incomingKeepAliveTimeout
=
setTimeout
(()
=>
{
this
.
_incomingKeepAliveTimeout
=
null
;
this
.
_recvKeepAliveCheck
();
},
ProtocolConstants
.
KeepAliveTimeoutTime
-
timeSinceLastIncomingMsg
+
5
);
},
Math
.
max
(
ProtocolConstants
.
KeepAliveTimeoutTime
-
timeSinceLastIncomingMsg
,
0
)
+
5
);
}
public
getSocket
():
ISocket
{
...
...
@@ -821,15 +874,19 @@ export class PersistentProtocol implements IMessagePassingProtocol {
const
oldestUnacknowledgedMsg
=
this
.
_outgoingUnackMsg
.
peek
()
!
;
const
timeSinceOldestUnacknowledgedMsg
=
Date
.
now
()
-
oldestUnacknowledgedMsg
.
writtenTime
;
if
(
timeSinceOldestUnacknowledgedMsg
>=
ProtocolConstants
.
AcknowledgeTimeoutTime
)
{
// Trash the socket
this
.
_onSocketTimeout
.
fire
(
undefined
);
return
;
// It's been a long time since our sent message was acknowledged
// But this might be caused by the event loop being busy and failing to read messages
if
(
!
this
.
_loadEstimator
.
hasHighLoad
())
{
// Trash the socket
this
.
_onSocketTimeout
.
fire
(
undefined
);
return
;
}
}
this
.
_outgoingAckTimeout
=
setTimeout
(()
=>
{
this
.
_outgoingAckTimeout
=
null
;
this
.
_recvAckCheck
();
},
ProtocolConstants
.
AcknowledgeTimeoutTime
-
timeSinceOldestUnacknowledgedMsg
+
5
);
},
Math
.
max
(
ProtocolConstants
.
AcknowledgeTimeoutTime
-
timeSinceOldestUnacknowledgedMsg
,
0
)
+
5
);
}
private
_sendAck
():
void
{
...
...
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