* to avoid wrong http response in checkstatus function:
in wget checkstatus() we are using 'HTTPConnectionCache' to share connections
1. state_file1(exists on http server) use shared connection <shared1> to send request
2. http_server recieved request of state_file1, but delayed by some reason to sent respone
3. state_file1 checkstatus() failed by timeout and drop shared connection <shared1>
4. state_file2(not exists on http server) get shared connection <shared1> and send request
5. http_server finally send 200 response for state_file1
6. state_file2 recived 200 response and thought it was exists on http_server
(Bitbake rev: bf6d0282ab88b4edc4b9e58184cd76cce965abbd)
Signed-off-by: y75zhang <yang-mark.zhang@nokia-sbell.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
4172c3bdd5