Native ICE STUN failover can stall when server entries share an address
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评估
- 难度
- 4/5
- 预计耗时
- 3-5 天
- 新手友好度
- 45/100
- Issue 类型
- 缺陷
- 描述清晰度
- 描述清楚
- 活跃度
- 活跃
- 技术栈
- networking
- 领域
- networking
调研方向
Look at the native ICE client code, likely in files handling STUN server lists and failover logic. The issue describes a loop when duplicate addresses exist in the server list. Start by finding where STUN requests are made and how the next server is selected after a timeout. Check for address-based indexing. The fix involves ensuring unique address selection or marking discovery as failed. Test with a setup using duplicate hostname entries.
由索引模型根据 Issue 内容生成。
描述
We hit a repeatable stall in the native ICE client on Windows with GameNetworkingSockets 1.6.0.
When a STUN request times out, the client uses the server's address to find its position in the configured server list, then tries the next entry. If several entries have the same address, it keeps finding the first match and retrying the same next entry.
The client doesn't mark STUN discovery as failed, and the retries continue without a pause.
In our setup, stun.l.google.com and stun1.l.google.com through stun4.l.google.com all resolved to the same IPv4 and IPv6 addresses.
On a machine with an additional network adapter, sends through that adapter failed with WSAEADDRNOTAVAIL or WSAENETUNREACH. During match startup, the repeated retries caused the game to freeze.
We worked around it by configuring only STUN hostnames that resolve to distinct addresses. The keepalive path also appears to select servers by address, so duplicate entries may affect it as well.
- 主要语言
- C++
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ValveSoftware/GameNetworkingSockets 的其他 Issue
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难度 2/5 1-3 小时 新手友好度 74/100
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难度 2/5 1-3 小时 新手友好度 78/100
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难度 3/5 1-2 天 新手友好度 68/100
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难度 5/5 一周以上 新手友好度 25/100
查看 ValveSoftware/GameNetworkingSockets 的全部 Issue
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