rewrite buffer implementation to eliminate evbuffer dependency#5441

Merged

mattklein123 merged 48 commits intoenvoyproxy:masterfrom

brian-pane:buffer

Mar 13, 2019

Commits on Dec 31, 2018

Commits on Jan 3, 2019

cleanups based on code review feedback
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Commits on Jan 4, 2019

cleanups based on code review feedback
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Commits on Jan 5, 2019

Commits on Jan 6, 2019

enable reserve() to use multiple slices
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Commits on Jan 10, 2019

Commits on Jan 16, 2019

cleanups based on code review feedback, plus more memory-efficient OwnedImpl::commit
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fix an asan error in one of the tests
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Commits on Jan 24, 2019

support runtime selection of the old or new buffer implementation
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Commits on Jan 25, 2019

Commits on Jan 28, 2019

update tests based on code review feedback, add tests for search method, and reduce casting inside the new buffer impl
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Commits on Feb 7, 2019

formatting fix
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Commits on Feb 10, 2019

Commits on Feb 13, 2019

eliminate the need for const_cast inside the buffer impl
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Commits on Feb 16, 2019

cleanups based on code review feedback
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Commits on Feb 20, 2019

Commits on Feb 21, 2019

release notes to explain how to enable new buffer impl
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Commits on Mar 1, 2019

Commits on Mar 3, 2019

Merge remote-tracking branch 'upstream/master' into buffer
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Commits on Mar 4, 2019

Commits on Mar 7, 2019

Commits on Mar 9, 2019

Commits on Mar 10, 2019