Rewrite the pinger library #855

Job	Run time
Checks	1m 2s
armv7-linux-androideabi	2m 37s
armv7-unknown-linux-gnueabihf	2m 27s
armv7-unknown-linux-musleabihf	2m 31s
x86_64-unknown-linux-gnu	2m 2s
x86_64-unknown-linux-musl	2m 22s
aarch64-unknown-linux-gnu	2m 38s
aarch64-unknown-linux-musl	2m 31s
aarch64-apple-darwin	2m 38s
x86_64-apple-darwin	2m 24s
x86_64-pc-windows-msvc	2m 19s
	25m 31s

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