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* ext/socket/lib/socket.rb (Socket.udp_server_recv): extracted from

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Socket.udp_server_loop_on.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25261 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2009-10-08 15:01:57 +00:00
parent 866c79e2de
commit abd31dc2ad
2 changed files with 47 additions and 19 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Fri Oct 9 00:01:17 2009 Tanaka Akira <akr@fsij.org>
* ext/socket/lib/socket.rb (Socket.udp_server_recv): extracted from
Socket.udp_server_loop_on.
Thu Oct 8 05:45:14 2009 NARUSE, Yui <naruse@ruby-lang.org>
* tool/enc-unicode.rb: parse range notation of UnicodeData.txt.

61
ext/socket/lib/socket.rb
View file

@ -552,6 +552,46 @@ class Socket
end
end
# :call-seq:
# Socket.udp_server_recv(sockets) {|msg, msg_src| ... }
#
# Receive UDP/IP packets from the given _sockets_.
# For each packet received, the block is called.
#
# The block receives _msg_ and _msg_src_.
# _msg_ is a string which is the payload of the received packet.
# _msg_src_ is a Socket::UDPSource object which is used for reply.
#
# Socket.udp_server_loop can be implemented using this method as follows.
#
# udp_server_sockets(host, port) {|sockets|
# loop {
# readable, _, _ = IO.select(sockets)
# udp_server_recv(readable) {|msg, msg_src| ... }
# }
# }
#
def self.udp_server_recv(sockets)
sockets.each {|r|
begin
msg, sender_addrinfo, rflags, *controls = r.recvmsg_nonblock
rescue IO::WaitReadable
next
end
ai = r.local_address
if ai.ipv6? and pktinfo = controls.find {|c| c.cmsg_is?(:IPV6, :PKTINFO) }
ai = Addrinfo.udp(pktinfo.ipv6_pktinfo_addr.ip_address, ai.ip_port)
yield msg, UDPSource.new(sender_addrinfo, ai) {|reply_msg|
r.sendmsg reply_msg, 0, sender_addrinfo, pktinfo
}
else
yield msg, UDPSource.new(sender_addrinfo, ai) {|reply_msg|
r.send reply_msg, 0, sender_addrinfo
}
end
}
end
# :call-seq:
# Socket.udp_server_loop_on(sockets) {|msg, msg_src| ... }
#
@ -561,27 +601,10 @@ class Socket
#
# It calls the block for each message received.
#
def self.udp_server_loop_on(sockets) # :yield: msg, msg_src
def self.udp_server_loop_on(sockets, &b) # :yield: msg, msg_src
loop {
readable, _, _ = IO.select(sockets)
readable.each {|r|
begin
msg, sender_addrinfo, rflags, *controls = r.recvmsg_nonblock
rescue IO::WaitReadable
next
end
ai = r.local_address
if ai.ipv6? and pktinfo = controls.find {|c| c.cmsg_is?(:IPV6, :PKTINFO) }
ai = Addrinfo.udp(pktinfo.ipv6_pktinfo_addr.ip_address, ai.ip_port)
yield msg, UDPSource.new(sender_addrinfo, ai) {|reply_msg|
r.sendmsg reply_msg, 0, sender_addrinfo, pktinfo
}
else
yield msg, UDPSource.new(sender_addrinfo, ai) {|reply_msg|
r.send reply_msg, 0, sender_addrinfo
}
end
}
udp_server_recv(sockets, &b)
}
end