On Aug 4, 2009, at 12:49 PM, James Lin wrote:
I am trying to make the iPhone a server and a client at the same
time...
What I am trying to accomplish...
1. iPhone running my application opens a "server" socket and listens
for incoming network connection from another iPhone running the same
application.
2. The server socket has an "ip address" that i can register with my
php/mysql server.
3. Another iPhone running my same app acts as the client gets the
iPhone server's ip address from the server and make connection to
the server iPhone.
4. The client iPhone sends a string "hello, I am James" to the
server iPhone and the server iPhone reply with the user's choice of
either "Hi, Nice to meet you" or "Get lost!" strings.
Unless the two phones are on the same local WiFi network, due to the
way that various NATs (especially with cell phone networking), a
client will almost certainly not be able to connect to a server
running on the phone. Basically, the phone see only a local (private)
network, and will have an address such as 10.3.5.12. Unfortunately,
that IP address is meaningless outside of local network (there is no
way for a remote phone, which may have the exact same address, to
find 10.3.5.12 as being your local phone).
Given that trying to support phone based servers isn't going to work
except for within the same WiFi network, you might as well instead use
Bonjour for one phone to discover the other phone (which will
automatically handle finding/resolving/advertising ip address/ports).
Glenn Andreas gandr...@gandreas.com
<http://www.gandreas.com/> wicked fun!
Mad, Bad, and Dangerous to Know
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