Example code for C # binary byte stream lookup function indexof

C # binary byte stream lookup function indexof

        <summary>///Report specified system.byte[] The index of the first occurrence in this instance. </summary>//<param name= "Srcbytes" > performed find system.byte[]. </param>//<param name= "Searchbytes" > system.byte[to find]. </param>///<returns> If the byte array is found, the index position of searchbytes, or 1 if the byte array is not found. If searchbytes is null or has a length of 0, the return value is-1. </returns> Internal int IndexOf (byte[] srcbytes, byte[] searchbytes) {if (srcbytes = = NULL            ) {return-1;}            if (searchbytes = = null) {return-1;}            if (Srcbytes.length = = 0) {return-1;}            if (Searchbytes.length = = 0) {return-1;}            if (Srcbytes.length < searchbytes.length) {return-1;} for (int i = 0; i < srcbytes.length-searchbytes.length; i++) {if (srcbytes[i] = = Searchbyt                    Es[0]) {if (searchbytes.length = = 1) {return i;}        BOOL flag = TRUE;            for (int j = 1; j < Searchbytes.length; J + +) {if (srcbytes[i + j                            ] = Searchbytes[j]) {flag = false;                        Break                }} if (flag) {return i;}        }} return-1; }

Examples of Use:

Receivedata = new Byte[1024];int Receivelen = socket. ReceiveFrom (Receivedata, ref EP); Receivedata = this. Subbyte (receivedata, 0, Receivelen); if (this. IndexOf (Receivedata, System.Text.Encoding.Unicode.GetBytes ("Exec_exit"))! =-1) {    this.runing = false;    Break }