add close reason when read failed
add benchmark tool
move example to link-demo repository
update README
update README
mv buffer type to util package
rename
rename file
rename file
rename
rename and edit README
refactor
Improve the handling of critical state
improve session type
improve session start logic
refactor
update README
make Dial function thread safe
add bufio improve read performance. remove timeout setting. change close reason type.
when async send blocked don't close session, give invoker have a chance to retry.