Beispiel #1
0
        /// <summary>Sends string data to the connection</summary>
        /// <param name="data">data to send.</param>
        /// <param name="bypassDataFormatter">Indicates whether the data formatter should be bypassed (for a quicker send).</param>
        /// <param name="sendAllData">Indicates if paging should be allowed</param>
        public void Send(string data, bool bypassDataFormatter, bool sendAllData)
        {
            if (!bypassDataFormatter)
            {
                data = DataFormatter.FormatData(data, this, sendAllData);
            }

            byte[] bytes;

            // Check for MCCP (its not worth using for short strings as the overhead is quite high).
            if (this.Terminal.UseMCCP && data.Length > MCCPThreshold)
            {
                // Compress the data
                bytes = MCCPHandler.Compress(data);

                // Send the sub request to say that the next load of data
                // is compressed. The sub request is IAC SE COMPRESS2 IAC SB
                this.Send(new byte[] { 255, 250, 86, 255, 240 });
            }
            else
            {
                // Line below commented out by JFed 11/28/2011.  We lose the 8th bit with this encoding, which breaks special characters like ASCII art
                // bytes = ASCIIEncoding.ASCII.GetBytes(data);

                // Encoding using code page 437 (old 8bit default ascii).
                bytes = Encoding.GetEncoding(437).GetBytes(data);
            }

            // Send the data.
            this.Send(bytes);
        }
Beispiel #2
0
        /// <summary>Sends string data to the connection</summary>
        /// <param name="data">The string to send.</param>
        /// <param name="sendAllData">If true, send all data without letting the paging system pause the output.</param>
        public void Send(string data, bool sendAllData = false)
        {
            // TODO: Eventually, certain large blocks of text might be good candidates for caching the final result due to high frequency of sending to clients (such as welcome
            //       messages or the most popular room descriptions and so on), so here might be a good place to perform an options-sensitive cache lookup of the source data to
            //       the final (potentially word-wrapped, potentially compressed) data. This could reduce total word-wrapping and compression work. (Such a potential improvement
            //       should be carefully measured for whether it is worth the complexity and potential bugs.) As such, it may make sense to coalesce the honored word wrap widths
            //       when formatting data below, into common groupings (such as rounding down to nearest multiple of 20 and enforcing a max) to increase those cache hits at the
            //       trade-off of not printing to the right-most characters of some terminal sizes. (This would probably look fine, generally.)

            // Check if the client wants to use compression (MCCP) and whether data is long enough to bother (as the overhead is quite high).
            byte[] bytes;
            if (TerminalOptions.UseMCCP && data.Length > MCCPThreshold)
            {
                // Compress the data.
                bytes = MCCPHandler.Compress(data);

                // Send the sub request to say that the next load of data
                // is compressed. The sub request is IAC SE COMPRESS2 IAC SB
                Send(new byte[] { 255, 250, 86, 255, 240 });
            }
            else
            {
                bytes = CurrentEncoding.GetBytes(data);
            }

            // Send the data.
            Send(bytes);

            // Track whether we've finished with a NewLine, so we can avoid new lines of output going to the same one.
            AtNewLine = data.EndsWith(AnsiSequences.NewLine);
        }
Beispiel #3
0
        /// <summary>Sends string data to the connection</summary>
        /// <param name="data">data to send.</param>
        /// <param name="bypassDataFormatter">Indicates whether the data formatter should be bypassed (for a quicker send).</param>
        /// <param name="sendAllData">Indicates if paging should be allowed</param>
        public void Send(string data, bool bypassDataFormatter, bool sendAllData)
        {
            if (!bypassDataFormatter)
            {
                data = DataFormatter.FormatData(data, this, sendAllData);
            }

            byte[] bytes;

            // Check for MCCP (its not worth using for short strings as the overhead is quite high).
            if (this.Terminal.UseMCCP && data.Length > MCCPThreshold)
            {
                // Compress the data
                bytes = MCCPHandler.Compress(data);

                // Send the sub request to say that the next load of data
                // is compressed. The sub request is IAC SE COMPRESS2 IAC SB
                this.Send(new byte[] { 255, 250, 86, 255, 240 });
            }
            else
            {
                bytes = CurrentEncoding.GetBytes(data);
            }

            // Send the data.
            this.Send(bytes);
        }