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tcp client bug

### 问题描述
Swoole\Coroutine\Client在进入channel后重复使用时, 
errCode从0变成11, errMsg变成"Resource temporarily unavailable"

### Swoole版本，PHP版本，以及操作系统版本信息
swoole 4.x
php 7.x

``` 
client json_encode结果变化
{"errCode":0,"errMsg":"","fd":16,"type":1,"setting":{"timeout":0.20000000000000001,"connect_timeout":0.10000000000000001,"write_timeout":0.20000000000000001,"read_timeout":0.69999999999999996,"open_length_check":true,"package_length_type":"V","package_length_offset":6,"package_body_offset":10,"socket_buffer_size":2097152,"open_tcp_nodelay":true},"connected":true}
{"errCode":11,"errMsg":"Resource temporarily unavailable","fd":16,"type":1,"setting":{"timeout":0.20000000000000001,"connect_timeout":0.10000000000000001,"write_timeout":0.20000000000000001,"read_timeout":0.69999999999999996,"open_length_check":true,"package_length_type":"V","package_length_offset":6,"package_body_offset":10,"socket_buffer_size":2097152,"open_tcp_nodelay":true},"connected":true}
```

```
tcpdump日志
15:58:22.582487 IP 10.252.234.67.36262 > 10.144.68.225.17706: Flags [S], seq 349656547, win 29200, options [mss 1460,sackOK,TS val 26709261 ecr 0,nop,wscale 2], length 0
15:58:22.588123 IP 10.144.68.225.17706 > 10.252.234.67.36262: Flags [S.], seq 1698265523, ack 349656548, win 28960, options [mss 1460,sackOK,TS val 3028850078 ecr 26709261,nop,wscale 9], length 0
15:58:22.588172 IP 10.252.234.67.36262 > 10.144.68.225.17706: Flags [.], ack 1, win 7300, options [nop,nop,TS val 26709262 ecr 3028850078], length 0

15:58:22.588300 IP 10.252.234.67.36262 > 10.144.68.225.17706: Flags [P.], seq 1:214, ack 1, win 7300, options [nop,nop,TS val 26709262 ecr 3028850078], length 213
15:58:22.593649 IP 10.144.68.225.17706 > 10.252.234.67.36262: Flags [.], ack 214, win 59, options [nop,nop,TS val 3028850084 ecr 26709262], length 0
15:58:22.619804 IP 10.144.68.225.17706 > 10.252.234.67.36262: Flags [P.], seq 1:406, ack 214, win 59, options [nop,nop,TS val 3028850110 ecr 26709262], length 405
15:58:22.619847 IP 10.252.234.67.36262 > 10.144.68.225.17706: Flags [.], ack 406, win 7568, options [nop,nop,TS val 26709270 ecr 3028850110], length 0

15:58:25.693991 IP 10.252.234.67.36262 > 10.144.68.225.17706: Flags [P.], seq 214:427, ack 406, win 7568, options [nop,nop,TS val 26710039 ecr 3028850110], length 213
15:58:25.712068 IP 10.144.68.225.17706 > 10.252.234.67.36262: Flags [P.], seq 406:812, ack 427, win 61, options [nop,nop,TS val 3028853201 ecr 26710039], length 406
15:58:25.712111 IP 10.252.234.67.36262 > 10.144.68.225.17706: Flags [.], ack 812, win 7836, options [nop,nop,TS val 26710043 ecr 3028853201], length 0
```

发布于3年前 · 1 次浏览 · 来自提问