DB11 TCP Data protocol unpacking and receiving main methods

Beijing Landmark (DB11) according to the receiver.

    <summary>//DB11 protocol unpacking///</summary> public class Splictprotocol {//<summar        Y>/////For handling data covariance///</summary> list<byte> bytes = new list<byte> (5000);        private int len =-1;        <summary>//Baotou///</summary> private bool Findpackagehead = false;        <summary>/////</summary> int index =-1;            Public list<byte[]> splict (byte[] arr) {list<byte[]> List = new list<byte[]> (); try {if (arr! = null) {//Lock handled lock                    (bytes) {//Start fetching data from the queue for (int k = 0; k < arr.) Length;                            k++) {//queue has data byte B = arr[k];     If the maximum number of bytes received is exceeded                       if (<=) bytes. Count) {bytes.                            Clear (); }//Added to the bytes collection.                            ADD (b); 3. Start fetching data from the front of the collection. Find Baotou, carry out unpacking if (bytes. Count >=) {if (! Findpackagehead) {for (int i = 0; i < bytes. Count; i++) {if (bytes[i] = = 0x23 && (i + 1 &L T bytes.                                            Count && bytes[i + 1] = = 0x23)) {                                            index = i;                                            Findpackagehead = true;                                        Break         }                                    }                       } if (Index >-1) { 22 Data Unit Length index if (bytes.                                        Count > Index + +) {if (len = =-1)                                            {int xx = 0; Data length len = new Byte[2] {Bytes[index + +], Bytes[index + 23]}. Readushort (ref xx).                                        SwapUInt16 (); } if (bytes. Count > Index + len + +) {var bb = bytes. Skip (Index). Take (+ len + 1).                                            ToArray (); List.                                            Add (BB);                                    Initialize State        Findpackagehead = false;                                            Len = index =-1; Remove all data bytes.                                        Clear ();                        }                                    }                                }                            }                }}} else {//thread.sleep (1); }} catch (Exception ex) {bytes.                Clear ();                Initialization state Findpackagehead = false;                         Len = index =-1;        } return list; }    }

DB11 TCP Data protocol unpacking and receiving main methods