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Diffstat (limited to 'ruby_1_8_6/sample/dualstack-fetch.rb')
-rw-r--r-- | ruby_1_8_6/sample/dualstack-fetch.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/ruby_1_8_6/sample/dualstack-fetch.rb b/ruby_1_8_6/sample/dualstack-fetch.rb new file mode 100644 index 0000000000..1897a3d8e9 --- /dev/null +++ b/ruby_1_8_6/sample/dualstack-fetch.rb @@ -0,0 +1,48 @@ +# simple webpage fetcher + +# The code demonstrates how a multi-protocol client should be written. +# TCPSocket is using getaddrinfo() internally, so there should be no problem. + +require "socket" + +if ARGV.size != 1 + STDERR.print "requires URL\n" + exit +end + +url = ARGV[0] +if url !~ /^http:\/\/([^\/]+)(\/.*)$/ + STDERR.print "only http with full hostname is supported\n" + exit +end + +# split URL into host, port and path +hostport = $1 +path = $2 +if (hostport =~ /^(.*):([0-9]+)$/) + host = $1 + port = $2 +else + host = hostport + port = 80 +end +if host =~ /^\[(.*)\]$/ + host = $1 +end + +#STDERR.print "url=<#{ARGV[0]}>\n" +#STDERR.print "host=<#{host}>\n" +#STDERR.print "port=<#{port}>\n" +#STDERR.print "path=<#{path}>\n" + +STDERR.print "conntecting to #{host} port #{port}\n" +c = TCPSocket.new(host, port) +dest = Socket.getnameinfo(c.getpeername, + Socket::NI_NUMERICHOST|Socket::NI_NUMERICSERV) +STDERR.print "conntected to #{dest[0]} port #{dest[1]}\n" +c.print "GET #{path} HTTP/1.0\n" +c.print "Host: #{host}\n" +c.print "\n" +while c.gets + print +end |