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Feature #5101 » socket-tcp-connect-timeout-2.patch

akr (Akira Tanaka), 08/10/2011 09:55 PM

View differences:

ext/socket/lib/socket.rb (working copy)
# creates a new Socket connected to the address of +local_addrinfo+.
#
# If no arguments are given, the address of the socket is not bound.
# If _local_addrinfo_ is nil, the address of the socket is not bound.
#
# The _timeout_ specify the seconds for timeout.
# Errno::ETIMEDOUT is raised when timeout occur.
#
# If a block is given the created socket is yielded for each address.
#
def connect_internal(local_addrinfo) # :yields: socket
def connect_internal(local_addrinfo, timeout=nil) # :yields: socket
sock = Socket.new(self.pfamily, self.socktype, self.protocol)
begin
sock.ipv6only! if self.ipv6?
sock.bind local_addrinfo if local_addrinfo
sock.connect(self)
if timeout
begin
sock.connect_nonblock(self)
rescue IO::WaitWritable
if !IO.select(nil, [sock], nil, timeout)
raise Errno::ETIMEDOUT, 'user specified timeout'
end
begin
sock.connect_nonblock(self) # check connection failure
rescue Errno::EISCONN
end
end
else
sock.connect(self)
end
if block_given?
yield sock
else
......
end
private :connect_internal
# :call-seq:
# addrinfo.connect_from([local_addr_args], [opts]) {|socket| ... }
# addrinfo.connect_from([local_addr_args], [opts])
#
# creates a socket connected to the address of self.
#
# If one or more arguments given as _local_addr_args_,
# it is used as the local address of the socket.
# _local_addr_args_ is given for family_addrinfo to obtain actual address.
#
# If no arguments given, the local address of the socket is not bound.
# If _local_addr_args_ is not given, the local address of the socket is not bound.
#
# The optional last argument _opts_ is options represented by a hash.
# _opts_ may have following options:
#
# [:timeout] specify the timeout in seconds.
#
# If a block is given, it is called with the socket and the value of the block is returned.
# The socket is returned otherwise.
......
# puts s.read
# }
#
def connect_from(*local_addr_args, &block)
connect_internal(family_addrinfo(*local_addr_args), &block)
def connect_from(*args, &block)
opts = Hash === args.last ? args.pop : {}
raise ArgumentError, "wrong number of arguments (#{args.length} for 1)" if 1 < args.length
local_addr_args = args
connect_internal(family_addrinfo(*local_addr_args), opts[:timeout], &block)
end
# :call-seq:
# addrinfo.connect([opts]) {|socket| ... }
# addrinfo.connect([opts])
#
# creates a socket connected to the address of self.
#
# The optional argument _opts_ is options represented by a hash.
# _opts_ may have following options:
#
# [:timeout] specify the timeout in seconds.
#
# If a block is given, it is called with the socket and the value of the block is returned.
# The socket is returned otherwise.
#
......
# puts s.read
# }
#
def connect(&block)
connect_internal(nil, &block)
def connect(opts={}, &block)
connect_internal(nil, opts[:timeout], &block)
end
# :call-seq:
# addrinfo.connect_to([remote_addr_args], [opts]) {|socket| ... }
# addrinfo.connect_to([remote_addr_args], [opts])
#
# creates a socket connected to _remote_addr_args_ and bound to self.
#
# The optional last argument _opts_ is options represented by a hash.
# _opts_ may have following options:
#
# [:timeout] specify the timeout in seconds.
#
# If a block is given, it is called with the socket and the value of the block is returned.
# The socket is returned otherwise.
#
......
# puts s.read
# }
#
def connect_to(*remote_addr_args, &block)
def connect_to(*args, &block)
opts = Hash === args.last ? args.pop : {}
raise ArgumentError, "wrong number of arguments (#{args.length} for 1)" if 1 < args.length
remote_addr_args = args
remote_addrinfo = family_addrinfo(*remote_addr_args)
remote_addrinfo.send(:connect_internal, self, &block)
remote_addrinfo.send(:connect_internal, self, opts[:timeout], &block)
end
# creates a socket bound to self.
......
end
end
# :call-seq:
# Socket.tcp(host, port, local_host=nil, local_port=nil, [opts]) {|socket| ... }
# Socket.tcp(host, port, local_host=nil, local_port=nil, [opts])
#
# creates a new socket object connected to host:port using TCP/IP.
#
# If local_host:local_port is given,
# the socket is bound to it.
#
# The optional last argument _opts_ is options represented by a hash.
# _opts_ may have following options:
#
# [:connect_timeout] specify the timeout in seconds.
#
# If a block is given, the block is called with the socket.
# The value of the block is returned.
# The socket is closed when this method returns.
#
# The optional last argument _opts_ is options represented by a hash.
# _opts_ may have following options:
#
# [:timeout] specify the timeout in seconds.
#
# If no block is given, the socket is returned.
#
# Socket.tcp("www.ruby-lang.org", 80) {|sock|
......
# puts sock.read
# }
#
def self.tcp(host, port, local_host=nil, local_port=nil) # :yield: socket
def self.tcp(host, port, *rest) # :yield: socket
opts = Hash === rest.last ? rest.pop : {}
raise ArgumentError, "wrong number of arguments (#{args.length} for 2)" if 2 < args.length
local_host, local_port = rest
last_error = nil
ret = nil
connect_timeout = opts[:connect_timeout]
local_addr_list = nil
if local_host != nil || local_port != nil
local_addr_list = Addrinfo.getaddrinfo(local_host, local_port, nil, :STREAM, nil)
......
local_addr = nil
end
begin
sock = local_addr ? ai.connect_from(local_addr) : ai.connect
sock = local_addr ?
ai.connect_from(local_addr, :timeout => connect_timeout) :
ai.connect(:timeout => connect_timeout)
rescue SystemCallError
last_error = $!
next
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