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package com.macaroon.piztor;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketTimeoutException;
import java.net.UnknownHostException;
import java.util.Vector;
import android.annotation.SuppressLint;
import android.os.Handler;
import android.os.Message;
public class PushClient {
static Socket client;
static Handler recall;
static final int ByteLength = 1;
static final int IntLength = 4;
static final int DoubleLength = 8;
static final int TokenLength = 32;
static final int FingerPrintLength = 32;
public final static int StartPush =5;
public final static int Message = 0;
public final static int Location = 1;
public final static int PushMessage =100;
public final static int PushLocation =101;
public final static int Reconnect =-2;
public final static int Failed = 2;
public final static int TimeOut = 1;
public final static int Success = 0;
private String LastPrint = "";
public PushClient(String site, int port,int retime) throws UnknownHostException,
IOException {
try {
client = new Socket();
client.connect(new InetSocketAddress(site,port), 5000);
client.setSoTimeout(5000);
} catch (UnknownHostException e) {
e.printStackTrace();
throw e;
} catch (IOException e) {
e.printStackTrace();
throw e;
}
}
public void setPushHandler(Handler handler) {
recall = handler;
}
public int start(ReqStartPush r) throws IOException,SocketTimeoutException {
try {
DataOutputStream out = new DataOutputStream(client.getOutputStream());
DataInputStream in = new DataInputStream(client.getInputStream());
int len;
len = IntLength+ByteLength+TokenLength+(r.uname).length()+ByteLength;
byte[] b = new byte[len];
int pos = 0;
write(b,intToBytes(len),pos);
pos+=IntLength;
b[pos] = (byte) 5;
pos+=ByteLength;
write(b,hexStringToBytes(r.token),pos);
pos+=TokenLength;
write(b,r.uname.getBytes(),pos);
pos+=r.uname.length();
b[pos] = 0;
pos+=ByteLength;
out.write(b);
out.flush();
Message msg = new Message();
in.readInt();
in.readUnsignedByte();
int status = in.readUnsignedByte();
ResStartPush rchk = new ResStartPush(status);
msg.obj = rchk;
msg.what = StartPush;
recall.sendMessage(msg);
if(status == 1) {
return Failed;
}
return Success;
} catch (SocketTimeoutException e){
e.printStackTrace();
return TimeOut;
} catch (IOException e) {
e.printStackTrace();
throw e;
}
}
public boolean isClosed() {
return client.isClosed();
}
public void listen(Handler recall,Handler h) throws IOException{
client.setSoTimeout(0);
DataInputStream in = new DataInputStream(client.getInputStream());
DataOutputStream out = new DataOutputStream(client.getOutputStream());
while(true){
try {
int len = in.readInt();
System.out.println(len);
int tmp = in.readUnsignedByte();
byte[] buffer = new byte[32];
in.read(buffer);
String p = byteToHexString(buffer);
int outlen;
int pos=0;
byte[] o = new byte[IntLength+ByteLength+FingerPrintLength];;
outlen = IntLength+ByteLength+FingerPrintLength;
switch(tmp) {
case Message:
byte[] b = new byte[len-IntLength-ByteLength-FingerPrintLength-ByteLength];
in.read(b);
String m = new String(b);
in.readUnsignedByte();
if(LastPrint != p) {
Message msg = new Message();
msg.what = PushMessage;
msg.obj = new ResPushMessage(m);
recall.sendMessage(msg);
LastPrint = p;
}
write(o,intToBytes(outlen),pos); //can be folded!
pos+=IntLength;
o[pos]=(byte) Message;
pos+=ByteLength;
write(o,hexStringToBytes(p),pos);
pos+=FingerPrintLength;
out.write(o);
out.flush();
break;
case Location:
len-=(IntLength+ByteLength+FingerPrintLength);
int n=0;
Vector<RLocation> tmpv = new Vector<RLocation>();
while(len > 0) {
int tid = in.readInt();
double lat = in.readDouble();
double lot = in.readDouble();
tmpv.add(new RLocation(tid,lat,lot));
len -= (IntLength+DoubleLength+DoubleLength);
n++;
}
if(LastPrint != p) {
Message msg = new Message();
msg.obj = new ResPushLocation(n,tmpv);
msg.what = PushLocation;
recall.sendMessage(msg);
LastPrint = p;
}
write(o,intToBytes(outlen),pos);
pos+=IntLength;
o[pos]=(byte) Location;
pos+=ByteLength;
write(o,hexStringToBytes(p),pos);
pos+=FingerPrintLength;
out.write(o);
out.flush();
break;
}
} catch (IOException e) {
e.printStackTrace();
throw e;
}
}
}
public void closeSocket() throws IOException{
try {
client.close();
} catch (IOException e) {
e.printStackTrace();
throw e;
}
}
@SuppressLint("DefaultLocale")
private static byte[] hexStringToBytes(String hexString) {
if (hexString == null || hexString.equals("")) {
return null;
}
hexString = hexString.toUpperCase();
int length = hexString.length() / 2;
char[] hexChars = hexString.toCharArray();
byte[] d = new byte[length];
for (int i = 0; i < length; i++) {
int pos = i * 2;
d[i] = (byte) (charToByte(hexChars[pos]) << 4 | charToByte(hexChars[pos + 1]));
}
return d;
}
private static byte charToByte(char c) {
return (byte) "0123456789ABCDEF".indexOf(c);
}
private static byte[] intToBytes(int i) {
byte[] d = new byte[4];
d[0] = (byte)((i >> 24) & 0xFF);
d[1] = (byte)((i >> 16) & 0xFF);
d[2] = (byte)((i >> 8) & 0xFF);
d[3] = (byte)(i & 0xFF);
return d;
}
@SuppressLint("UseValueOf")
public static byte[] doubleToBytes(double d){
byte[] b=new byte[8];
long l=Double.doubleToLongBits(d);
for(int i=0;i < 8;i++){
b[i]=new Long(l).byteValue();
l=l>>8;
}
return b;
}
private static void write(byte[] s,byte[] w,int l) {
for(int i=0;i<w.length;i++){
s[i+l] = w[i];
}
}
private static String byteToHexString(byte[] buffer){
String p ="";
for (int i = 0; i < buffer.length; i++) {
String hex = Integer.toHexString(buffer[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
p += hex;
}
return p;
}
}
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