delay sending keepalive when startup

change some test

auto detect device when startadd freebsd support

add dll dependency. add keepalive param:5s(default)add keepalive:5s. win:buf size 2M. DefaultFakeConnadd rsock dll dependency

unlimit reconnect attempt

fix bug that server has 1 extra dead connchange keepalive req interval from 5 to 2 sec. that is if no response in 8 sec, it will reconnect

fix macOS illegal instruction error

fix macOS illegal instruction error

fix illegal instruction error

fix slow speed bug:change to verbose mode