UDP Socket Programming – Using C language
* UDP server : simple UDP server that prints received messages.
source : udpServer.c
usage : ./udpServer
* UDP client : simple UDP client that sends data to server.
source : udpClient.c
usage : ./udpClient server data1 … dataN
To compile :
* linux : gcc -Wall -o foo foo.c
* solaris : gcc -Wall -o foo foo.c -lsocket -lnsl
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You can’t “Listen” on UDP sockets, only TCP, since UDP is a connectionless protocol – it’s a message-passing protocol. If you drop the “Listen” parameter to the new(), you’ll find that you’ll be able to create the socket. You’ll then want to call $sock->recv() (with the appropriate arguments), which will block until you receive a message…
from : http://wangleifire.javaeye.com/blog/315138
昨天做测试的时候遇到一个问题，做好的SWF在Flash AS3中调试通过，但是发布到http://i.cs.hku.hk/~hmtse/blog/wp-admin/post-new.phphtml中之后就无法得到数据了。查了一些资料之后找到了解决办法。这里感谢 剑心 提供帮助，以及同事若水三千提供Java代码及日志记录。
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