grpc 端口 9898
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.nio.charset.Charset;
/**
* wireshark grpc 客户端 发送报文
*
505249202a20485454502f322e300d0a0d0a534d0d0a0d0a000018040000000000000200000000000300000000000400100000000600002000
000004080000000000000f0001
000000040100000000
000076012400000003000000000f418ca0e41d0b4d65645905b3b96c44946272d141fc1eca245f71a9ae82b1b87eb1968a0f83865f8b1d75d0620d263d4c4d656440027465864d833505b11f7a909acac8b741f71ad51529f4c057081707408e9acac8b0c842d6958b510f21aa9b839bd9ab408a9acac8b26c190ab466ab0000000b00010000000300000000060a0474657374
*
*/
public class TCPClient {
public static void main(String[] args) {
test();
}
public static void test() {
//没问题
String data = "505249202a20485454502f322e300d0a0d0a534d0d0a0d0a000018040000000000000200000000000300000000000400100000000600002000000004080000000000000f0001000000040100000000000076012400000003000000000f418ca0e41d0b4d65645905b3b96c44946272d141fc1eca245f71a9ae82b1b87eb1968a0f83865f8b1d75d0620d263d4c4d656440027465864d833505b11f7a909acac8b741f71ad51529f4c057081707408e9acac8b0c842d6958b510f21aa9b839bd9ab408a9acac8b26c190ab466ab0000000b00010000000300000000060a0474657374";
//有问题
//data = "000076012400000003000000000f418ca0e41d0b4d65645905b3b96c44946272d141fc1eca245f71a9ae82b1b87eb1968a0f83865f8b1d75d0620d263d4c4d656440027465864d833505b11f7a909acac8b741f71ad51529f4c057081707408e9acac8b0c842d6958b510f21aa9b839bd9ab408a9acac8b26c190ab466ab0000000b00010000000300000000060a0474657374";
int serverPort = 9898;
Socket sock;
try {
sock = new Socket("localhost", serverPort);
BufferedReader in = new BufferedReader(
new InputStreamReader(sock.getInputStream(), Charset.forName("UTF-8")));
/*
* BufferedWriter out = new BufferedWriter(new OutputStreamWriter(
* sock.getOutputStream(),Charset.forName("UTF-8")));
*/
OutputStream out = sock.getOutputStream();
byte[] bytes = TypeConversion.hexString2Bytes(data);
System.out.println("bytes===="+bytes);
out.write(bytes);
out.flush();
String inputLine = in.readLine();
System.out.println("Data : " + inputLine);
in.close();
out.close();
sock.close();
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public static final byte[] hexStringToByteArray(String hexEncodedBinary) {
if (hexEncodedBinary.length() % 2 == 0) {
char[] sc = hexEncodedBinary.toCharArray();
byte[] ba = new byte[sc.length / 2];
for (int i = 0; i < ba.length; i++) {
int nibble0 = Character.digit(sc[i * 2], 16);
int nibble1 = Character.digit(sc[i * 2 + 1], 16);
if (nibble0 == -1 || nibble1 == -1) {
throw new IllegalArgumentException("Hex-encoded binary string contains an invalid hex digit in '"
+ sc[i * 2] + sc[i * 2 + 1] + "'");
}
ba[i] = (byte) ((nibble0 << 4) | (nibble1));
}
return ba;
} else {
throw new IllegalArgumentException("Hex-encoded binary string contains an uneven no. of digits");
}
}
}
/**
* @Package:
* @ClassName:TypeConversion
* @Description:字节流、字符串、16进制字符串转换
* @author:xk
* @date:Jan 8, 2013 5:00:08 PM
*/
public class TypeConversion {
/**
* @Title:bytes2HexString
* @Description:字节数组转16进制字符串
* @param b
* 字节数组
* @return 16进制字符串
* @throws
*/
public static String bytes2HexString(byte[] b) {
StringBuffer result = new StringBuffer();
String hex;
for (int i = 0; i < b.length; i++) {
hex = Integer.toHexString(b[i] & 0xFF);
if (hex.length() == 1) {
hex = '0' + hex;
}
result.append(hex.toUpperCase());
}
return result.toString();
}
/**
* @Title:hexString2Bytes
* @Description:16进制字符串转字节数组
* @param src
* 16进制字符串
* @return 字节数组
* @throws
*/
public static byte[] hexString2Bytes(String src) {
int l = src.length() / 2;
byte[] ret = new byte[l];
for (int i = 0; i < l; i++) {
ret[i] = (byte) Integer
.valueOf(src.substring(i * 2, i * 2 + 2), 16).byteValue();
}
return ret;
}
/**
* @Title:string2HexString
* @Description:字符串转16进制字符串
* @param strPart
* 字符串
* @return 16进制字符串
* @throws
*/
public static String string2HexString(String strPart) {
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < strPart.length(); i++) {
int ch = (int) strPart.charAt(i);
String strHex = Integer.toHexString(ch);
hexString.append(strHex);
}
return hexString.toString();
}
/**
* @Title:hexString2String
* @Description:16进制字符串转字符串
* @param src
* 16进制字符串
* @return 字节数组
* @throws
*/
public static String hexString2String(String src) {
String temp = "";
for (int i = 0; i < src.length() / 2; i++) {
temp = temp
+ (char) Integer.valueOf(src.substring(i * 2, i * 2 + 2),
16).byteValue();
}
return temp;
}
/**
* @Title:char2Byte
* @Description:字符转成字节数据char-->integer-->byte
* @param src
* @return
* @throws
*/
public static Byte char2Byte(Character src) {
return Integer.valueOf((int)src).byteValue();
}
/**
* @Title:intToHexString
* @Description:10进制数字转成16进制
* @param a 转化数据
* @param len 占用字节数
* @return
* @throws
*/
private static String intToHexString(int a,int len){
len<<=1;
String hexString = Integer.toHexString(a);
int b = len -hexString.length();
if(b>0){
for(int i=0;i<b;i++) {
hexString = "0" + hexString;
}
}
return hexString;
}
public static void main(String args[]) {
System.out.println(hexString2String("3133383131313536373838"));
}
}