Add more methods to `SocketForwarder`. #935

Job	Run time
openssl-1.0.2u	2m 34s
openssl-1.1.0l	1m 28s
openssl-1.1.1w	1m 45s
openssl-3.0.12	3m 5s
openssl-3.1.4	3m 3s
openssl-3.2.0	3m 31s
libressl-3.1.5	2m 6s
libressl-3.2.7	2m 13s
libressl-3.3.6	2m 12s
libressl-3.4.3	2m 23s
libressl-3.5.3	2m 12s
libressl-3.6.3	2m 12s
libressl-3.7.3	2m 29s
libressl-3.8.1	2m 22s
openssl-3.0.12 fips	2m 52s
openssl-3.1.4 fips	2m 54s
openssl-3.2.0 fips	3m 25s
openssl-head	3m 32s
openssl-head fips	3m 26s
ruby-versions / Generate Ruby versions	3s
ubuntu-22.04 2.7	59s
ubuntu-22.04 3.0	57s
ubuntu-22.04 3.1	57s
ubuntu-22.04 3.2	1m 0s
ubuntu-22.04 3.3	56s
ubuntu-22.04 head	57s
ubuntu-22.04 truffleruby	1m 33s
ubuntu-22.04 truffleruby-head	1m 33s
ubuntu-20.04 2.7	1m 0s
ubuntu-20.04 3.0	55s
ubuntu-20.04 3.1	52s
ubuntu-20.04 3.2	53s
ubuntu-20.04 3.3	47s
ubuntu-20.04 head	50s
ubuntu-20.04 truffleruby-head	1m 24s
macos-latest 2.7	1m 25s
macos-latest 3.0	1m 24s
macos-latest 3.1	1m 1s
macos-latest 3.2	1m 13s
macos-latest 3.3	59s
macos-latest head	1m 13s
macos-latest truffleruby-head	1m 48s
windows-latest 2.7	5m 19s
windows-latest 3.0	4m 42s
windows-latest 3.1	4m 22s
windows-latest 3.2	4m 31s
windows-latest 3.3	5m 8s
windows-latest ucrt	4m 11s
windows-latest mswin	2m 42s
	1h 45m 18s

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