diff options
Diffstat (limited to 'sample/svr.rb')
| -rw-r--r-- | sample/svr.rb | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sample/svr.rb b/sample/svr.rb index c866407eb0..eb49ccf170 100644 --- a/sample/svr.rb +++ b/sample/svr.rb @@ -1,15 +1,18 @@ # socket example - server side # usage: ruby svr.rb +# this server might be blocked by an ill-behaved client. +# see tsvr.rb which is safe from client blocking. + require "socket" -gs = TCPserver.open(0) +gs = TCPServer.open(0) addr = gs.addr addr.shift -printf("server is on %d\n", addr.join(":")) +printf("server is on %s\n", addr.join(":")) socks = [gs] -while TRUE +loop do nsock = select(socks); next if nsock == nil for s in nsock[0] @@ -22,10 +25,9 @@ while TRUE print(s, " is gone\n") s.close socks.delete(s) - else - if str = s.gets; + # single thread gets may block whole service + elsif str = s.gets s.write(str) - end end end end |