Comments (1)
wen-long
commented on June 9, 2024
3
应该找到原因了
hysteria/core/internal/frag/frag.go
Line 44 in bb99579
这里的 Defragger 只有一个, 会要求被分片的包连续到达, 中间穿插了其他 PacketID 的包就会丢掉了
打上合适的日志可以看到
2024/02/04 17:23:54 frag.go:47: m.PacketID = 48970, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:54 frag.go:47: m.PacketID = 8662, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:54 frag.go:47: m.PacketID = 58833, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:54 frag.go:47: m.PacketID = 48970, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:54 frag.go:47: m.PacketID = 8662, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:54 frag.go:47: m.PacketID = 58833, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:54 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 141
2024/02/04 17:23:54 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 37
2024/02/04 17:23:54 frag.go:47: m.PacketID = 40212, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:54 frag.go:47: m.PacketID = 47561, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:54 frag.go:47: m.PacketID = 40212, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:54 frag.go:47: m.PacketID = 47561, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:47: m.PacketID = 15313, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:55 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 1121
2024/02/04 17:23:55 frag.go:47: m.PacketID = 15313, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:66: d.count = 2, d.frags = [1374392740144 1374392739952], m.PacketID = 15313, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 37
2024/02/04 17:23:55 frag.go:47: m.PacketID = 44812, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:55 frag.go:47: m.PacketID = 44812, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:66: d.count = 2, d.frags = [1374391766448 1374391766352], m.PacketID = 44812, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:47: m.PacketID = 27731, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:55 frag.go:47: m.PacketID = 27731, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:66: d.count = 2, d.frags = [1374391766640 1374391766544], m.PacketID = 27731, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:47: m.PacketID = 15733, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:23:55 frag.go:47: m.PacketID = 15733, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:66: d.count = 2, d.frags = [1374393268416 1374393268320], m.PacketID = 15733, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:23:55 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 235
2024/02/04 17:23:55 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 25
2024/02/04 17:23:55 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 72
{"level":"debug","time":1707038635919.616,"msg":"SOCKS5 UDP closed","addr":"127.0.0.1:60362"}
PacketID 48970 8662 58833 这些包应该是被放弃了, 没有走到 all fragments received, assemble, 所以 DOQ 有时候成功有时候失败有时候耗时特别久
修复的话我尝试把放在 map 里面, 日志会如下
2024/02/04 17:26:35 frag.go:47: m.PacketID = 62703, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:26:35 frag.go:47: m.PacketID = 35260, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:26:35 frag.go:47: m.PacketID = 10003, m.FragID = 0, m.FragCount = 2, lenOfm.Data = 1171
2024/02/04 17:26:35 frag.go:47: m.PacketID = 62703, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:26:35 frag.go:66: d.count = 2, d.frags = [1374393267696 1374393267984], m.PacketID = 62703, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:26:35 frag.go:47: m.PacketID = 35260, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:26:35 frag.go:66: d.count = 2, d.frags = [1374393267792 1374393268080], m.PacketID = 35260, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:26:35 frag.go:47: m.PacketID = 10003, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:26:35 frag.go:66: d.count = 2, d.frags = [1374393267888 1374393268176], m.PacketID = 10003, m.FragID = 1, m.FragCount = 2, lenOfm.Data = 81
2024/02/04 17:26:35 udp.go:77: frag 2
2024/02/04 17:26:35 udp.go:77: frag 1
2024/02/04 17:26:35 udp.go:77: frag 1
2024/02/04 17:26:35 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 137
2024/02/04 17:26:35 udp.go:77: frag 1
2024/02/04 17:26:35 udp.go:77: frag 1
2024/02/04 17:26:35 udp.go:77: frag 1
2024/02/04 17:26:35 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 240
2024/02/04 17:26:35 frag.go:47: m.PacketID = 0, m.FragID = 0, m.FragCount = 1, lenOfm.Data = 73
2024/02/04 17:26:35 udp.go:77: frag 1
{"level":"debug","time":1707038795163.9712,"msg":"SOCKS5 UDP closed","addr":"127.0.0.1:60533"}
DOQ 也就不会出现超时失败和耗时久了
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