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railgun-routing-server
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Railgun
railgun-routing-server
Commits
33e47ded
Commit
33e47ded
authored
Aug 27, 2022
by
nanamicat
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33e47ded
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@@ -36,7 +36,7 @@ interface Hello {
```
typescript
interface
Report
{
id
:
number
// 自己的 id
seq
:
number
// 顺序号,每次收到 Change 后自增
ack
:
number
// 顺序号,每次收到 Change 后自增
peers
?:
{
id
:
number
,
reliability
:
number
,
delay
:
number
}[]
}
```
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@@ -80,7 +80,7 @@ seq自增,按照要求修改路由表,改完之后立即额外发送一次 R
## 关于顺序号,断线、重启的一些解释:
### 客户端跟客户端之间
-
重启
客户端收到跟之前差距较大的顺序号时,意味着客户端可能发生了重启或者断网一段时间,应当视为新上线的节点。
客户端收到跟之前差距较大的顺序号时,意味着客户端可能发生了重启或者断网一段时间,应当视为新上线的节点。
客户端跟客户端之间的通讯不需要可靠,即使对方启动后不久又立刻重启,这会导致顺序号略微减少不触发重置,并且忽略掉报文视为丢包。但是这没关系,过几秒钟他就又跟上来了。
-
断网
超时收不到信息就标记为下线 (可靠性=0)
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@@ -91,9 +91,9 @@ seq自增,按照要求修改路由表,改完之后立即额外发送一次 R
任何一个顺序号一定要确认过才会自增,不然会反复发送这一个:
-
客户端重启
客户端
seq=0那个包服务器会立即回复一个
change,如果丢包就会下个包再来
客户端
ack=0 那个包服务器会立即回复一个
change,如果丢包就会下个包再来
-
服务端重启
客户端
seq!=0,服务器seq=0,服务器会回复一个seq=0的
change,丢包一样
客户端
ack!=0,服务器 seq=0,服务器会回复一个 seq=0 的
change,丢包一样
-
服务端断网
客户端没有收到任何新指令,继续维持现有路由表跑
-
客户端断网
...
...
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