C# Topic Message

ID:1681104
 
Sep 16 2014, 1:46 pm
Hi,

I've been trying to make a remote application which would operate by sending Topic messages to the server via sockets, however I've failed at trying to send the correct message. Any help will be appreciated.

Php:

return "\x00\x83" . pack( 'n', strlen( $query_string) + 6 ) . "\x00\x00\x00\x00\x00" . $query_string . "\x00";
Sep 16 2014, 2:44 pm
Sep 17 2014, 7:48 am
The title says C# topic message so I'm going to assume you're trying to send topic messages via C# and not php.

The php you posted is the correct format, if you're having trouble creating that in C# you can use the below code:

        private byte[] topic(string str)
        {
            if (str[0] != '?') str = "?" + str;

            byte[] bytes = Encoding.ASCII.GetBytes(str);
            byte[] bytes2send = new byte[bytes.Length + 10];

            bytes2send[1] = 0x83;
            packn(bytes.Length + 6).CopyTo(bytes2send, 2);

            bytes.CopyTo(bytes2send, 9);

            return bytes2send;
        }

        private byte[] packn(int num)
        {
            byte[] packed = BitConverter.GetBytes((short)num);
            if (BitConverter.IsLittleEndian)
            {
                Array.Reverse(packed);
            }
            return packed;
        }


topic() will build you a byte array you can send via a tcp socket.
Sep 17 2014, 11:36 am
Wow, thank you so much for this, I've been trying to get it to work for a few days :D