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This is a short description on the use of Erlang,C or Java
client and servers against each other.
The base is a client that initiates and uses a random number
generator that lies on an server.
There are two make files, one for Unix and one for Windows,
the Unix make file is just named "Makefile", while the Windows
is named "Makefile.win32".
Instructions.
1) On Makefile :
* Modify the OTPROOT variable on the Makefile to point
to the root for your erlang instalation.
* Modify IC and Erl_Interface versions to agree your
OTP version.
2) Type "make" to build the example.
3) Start the empd deamon by using the command :
epmd -daemon
4) Do this when you want to run :
* an Erlang server.
Start erlang with the options
-setcookie <Some Cookie> -sname <SomeNodeName>
In this example you should use :
erl -setcookie flash -sname babbis
* a C server.
Just type :
server
* a Java server.
Set and export the CLASSPATH variable to
point to the java classes located in java development kit,
the Otp's classes and the current directory.
Your classpath should look like this :
.:<OTPROOT>/lib/ic-3.8.1/priv/ic.jar:<OTPROOT>/lib/jinterface_0.9.2/priv/OtpErlang.jar
where :
<OTPROOT> is the location there OTP is installed
Then type :
java server
5) Do this when you want to run :
* an Erlang client.
** If you have no valid named erlang node,
start erlang with the options
-setcookie <Some Cookie> -sname <SomeNodeName>
In this example you should use :
erl -setcookie flash -sname client
On the erlang shell, type
client:start().
** If you have a valid named erlang node, started
whith the same "cookie", on the erlang shell, type
client:start().
* a C client, just type
client
* a Java client.
Set and export the CLASSPATH variable to
point to the java classes located in java development kit,
the Otp's classes and the current directory.
Your classpath should look like this :
.:<OTPROOT>/lib/ic-4.0/priv/ic.jar:<OTPROOT>/lib/jinterface_1.1/priv/OtpErlang.jar
where :
<OTPROOT> is the location there OTP is installed
Then type :
java client
6) Please note that :
* you must always have the same cookie in order to eastablish connection
between clients and servers.
* you cannot start two servers with the same name.
In this example all servers share the same name in order to test
several constallations. Kill a server before starting another one.
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