add a FirstAvailable mode for URLTest#3537
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BeautyyuYanli wants to merge 84 commits intoSagerNet:dev-nextfrom
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add a FirstAvailable mode for URLTest#3537BeautyyuYanli wants to merge 84 commits intoSagerNet:dev-nextfrom
BeautyyuYanli wants to merge 84 commits intoSagerNet:dev-nextfrom
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We mistakenly believed that `libresolv`'s `search` function worked correctly in NetworkExtension, but it seems only `getaddrinfo` does. This commit changes the behavior of the `local` DNS server in NetworkExtension to prefer DHCP, falling back to `getaddrinfo` if DHCP servers are unavailable. It's worth noting that `prefer_go` does not disable DHCP since it respects Dial Fields, but `getaddrinfo` does the opposite. The new behavior only applies to NetworkExtension, not to all scenarios (primarily command-line binaries) as it did previously. In addition, this commit also improves the DHCP DNS server to use the same robust query logic as `local`.
We do not have the `com.apple.developer.networking.multicast` entitlement and are unable to obtain it for non-technical reasons.
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This PR introduces a new selection strategy for URLTest outbound groups. The changes add support for two selection modes (
min_latencyandfirst_available).Currently, the URLTest group select the min latency outbound. In my cases, the quailty of outbounds is not only related to the latency, but also other aspects. The outbounds' priority is alreay sorted when defined them in the config file as an array, so the task is to check their health periodically and choose the first available one.
What changes in this PR
select_modefield toURLTestOutboundOptionsinoption/group.go, along with theURLTestModetype and validation logic.protocol/group/urltest.goto support bothmin_latencyandfirst_availablestrategies.docs/configuration/outbound/urltest.mdselect_modeoption through constructors and struct fields.protocol/group/urltest.gofor clarity.