Send & Receive

gistfile1.m

// Send:
        const uint8_t query = (uint8_t)USERNAME_QUERY;
        const uint8_t length = (uint8_t)sizeof(query);
        [stream write:&length maxLength:sizeof(uint8_t)];
        [stream write:&query maxLength:length];


// Receive:
            uint8_t length;
            [inStream read:&length maxLength:sizeof(uint8_t)];
            uint8_t buffer;
            [inStream read:&buffer maxLength:(uint)(length)];
            LOG_NETWORK(8, @"Read %d bytes. Content: '%s'", (int)(length), (char*)buffer);