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package org.mobicents.media.server.impl.resource.ss7;
import org.mobicents.media.server.impl.resource.ss7.HdlcState;
import org.mobicents.media.server.impl.resource.ss7.FastHDLC;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileReader;
/**
*
* @author kulikov
*/
public class Test1 {
private final static int fcstab[] = new int[]{
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
};
public static int PPP_FCS(int fcs, int c) {
return ((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff];
}
public static void main(String[] args) throws Exception {
FileInputStream fin = new FileInputStream("c:\\temp\\hdlc-data.hex");
BufferedReader reader = new BufferedReader(new FileReader("c:\\temp\\mtp.txt"));
String line = reader.readLine();
// String[] data = "bf 7d f7 d8 00 0e 46 77 ef be fb 00 01 c8 ce fd f7 df 60 00 39 19 df be fb ec 00 07 23 3b f7 df 7d 80 00 e4 67 7e fb ef b0 00 1c 8c ef 7d f6".split(" ");
FastHDLC hdlc = new FastHDLC();
HdlcState h = new HdlcState();
hdlc.fasthdlc_precalc();
hdlc.fasthdlc_init(h);
int b = -1;
int i = 0;
int frameLen = 0;
String s = "";
int[] frame = new int[279];
int k = 0;
int crc = 0xffff;
boolean started = true;
while (started) {
while (h.bits <= 24 && started) {
b = fin.read();
if (b == -1) {
started = false;
break;
}
hdlc.fasthdlc_rx_load_nocheck(h, b);
}
int res = hdlc.fasthdlc_rx_run(h);
if (res == FastHDLC.RETURN_COMPLETE_FLAG) {
frameLen = 0;
System.out.println(crc);
crc=0xffff;
} else if (res == FastHDLC.RETURN_DISCARD_FLAG) {
frameLen = 0;
//System.out.println("Return discard tag");
} else if (res == FastHDLC.RETURN_EMPTY_FLAG) {
frameLen = 0;
//System.out.println("Return empty flag");
} else {
if (frameLen > 279) {
System.out.println("To long");
frameLen = 0;
} else {
System.out.println("-- " + alignNumber(Integer.toHexString(res), 2) + " " + alignNumber(Integer.toBinaryString(res), 8));
frame[frameLen++] = res;
crc = PPP_FCS(crc, res & 0xff);
}
}
i++;
k++;
if (k == 10000) {
k = 0;
System.out.println("iteration=" + i);
}
}
/* System.out.println(s);
String frames[] = s.split("01111110");
System.out.println("Frame count " + frames.length);
for (int k = 0; k < frames.length; k++) {
if ((frames[k].length() / 8) * 8 == frames[k].length()) {
System.out.println("GOOD FRAME " + k + ", len=" + frames[k].length());
} else {
System.out.println("BAD FRAME " + k + ", len=" + frames[k].length());
}
}
*/
}
private static String alignNumber(String str, int num) {
while (str.length() < num) {
str = "0" + str;
}
return str;
}
}