private byte[] readPacket() throws IOException {
byte[] reslutPacket = null;
byte p_head, p_type;
byte[] p_lenByte = new byte[4];
int p_lenInt;
int index, buf;
while (true) {
try {
p_head = in.readByte();
if (p_head == ProtocolVar.PacketType.PACKET_HEAD) {
p_type = in.readByte();
in.read(p_lenByte);
p_lenInt = (int) ConvertTools.byteArrToLong_littleEnd(p_lenByte, 0);
reslutPacket = new byte[p_lenInt];
reslutPacket[0] = p_head;
reslutPacket[1] = p_type;
ConvertTools.copyByteArr(p_lenByte, reslutPacket, 0, 2, 4);
index = 6;
/** 直到收到所有数据 */
while (index < p_lenInt) {
if (in.available() != 0) {
buf = in.read(reslutPacket, index, p_lenInt - index);
if (buf != -1) {
index += buf;
}
}
}
break;
}
} catch (ArrayIndexOutOfBoundsException ex) {
Logger.getLogger(CameraTask.class.getName()).log(Level.INFO, devSeqStr, ex);
}
}
return reslutPacket;
}
private void clearStreamResource() {
if (in != null) {
try {
in.close();
} catch (IOException ex) {
Logger.getLogger(CameraTask.class.getName())
.log(
Level.INFO,
ConvertTools.devSeqByteArr2Str(devSeq)
+ "inputStream close 异常 in closeLink()Method",
ex);
}
}
if (out != null) {
try {
out.close();
} catch (IOException ex) {
Logger.getLogger(CameraTask.class.getName())
.log(
Level.INFO,
ConvertTools.devSeqByteArr2Str(devSeq)
+ "outputStream close 异常 in closeLink()Method",
ex);
}
}
if (cameraSocket != null && !cameraSocket.isClosed()) {
try {
cameraSocket.close();
} catch (IOException ex) {
Logger.getLogger(CameraTask.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
public void connect() {
try {
devSeqStr = cameraUtil.getDevSeq();
devSeq = ConvertTools.devSeqStr2ByteArr(devSeqStr);
serverIP = cameraUtil.getServerIP();
cameraSocket = new Socket();
SocketAddress sa = new InetSocketAddress(ConvertTools.ipByteArr2Str(serverIP), 22616);
cameraSocket.connect(sa, 60 * 1000);
port = cameraSocket.getLocalPort();
cameraUtil.setOnline(true);
localIP = cameraSocket.getInetAddress().getAddress();
in = new DataInputStream(cameraSocket.getInputStream());
out = new DataOutputStream(cameraSocket.getOutputStream());
heartbeatTimer = new Timer();
alarmTimer = new Timer();
} catch (IOException ex) {
Logger.getLogger(CameraTask.class.getName())
.log(Level.INFO, "设备：" + devSeqStr + " 端口：" + port, ex);
destoryTask(CLEAR_LEVEL_3);
return;
}
// ---------先登录注册 建立可发送指令的连接
if (proKeyReq() == GlobalVar.SUCCESSED) {
try {
if (proLoginReq() == GlobalVar.SUCCESSED) {
Camera.addCameraTask(devSeqStr, this);
receivePacket();
}
} catch (IOException ex) {
Logger.getLogger(CameraTask.class.getName()).log(Level.SEVERE, devSeqStr, ex);
destoryTask(CLEAR_LEVEL_3);
}
}
destoryTask(CLEAR_LEVEL_3);
}
/**
* 发送 申请密钥 数据包
*
* @return
* @throws IOException
*/
private int proKeyReq() {
// -------------------------------------发送 申请密钥 数据包
byte[] keyReqByteArr, keyRespByteArr;
try {
keyReqByteArr =
InitReqSecretKeyPacket.init(ConvertTools.devSeqStr2ByteArr(cameraUtil.getDevSeq()))
.toByteArray();
// Logger.getLogger(CameraTask.class.getName()).log(Level.INFO, "申请密钥数据包:");
// PrintHelper.printByteArr(keyReqByteArr, 0);
sendPacket(keyReqByteArr);
// -------------------------------------接收 申请密钥 数据包
keyRespByteArr = readPacket();
// Logger.getLogger(CameraTask.class.getName()).log(Level.INFO, "回复密钥数据包:");
// PrintHelper.printByteArr(keyRespByteArr, 0);
Kaer_SecretKey_resp keyResp = new Kaer_SecretKey_resp();
if (GlobalVar.FAILED == keyResp.parsePacket(keyRespByteArr)) {
Logger.getLogger(CameraTask.class.getName()).log(Level.INFO, "申请密钥数据包解析错误");
return GlobalVar.FAILED;
}
// 判断是不是申请密钥 请求类型
if (keyResp.getP_type() != ProtocolVar.PacketType.SCRETKEY_PRO) {
Logger.getLogger(CameraTask.class.getName()).log(Level.INFO, "申请密钥数据包类型错误");
return GlobalVar.FAILED;
}
PUID = keyResp.getPUID();
MD5Key = keyResp.getSecretKey();
} catch (IOException ex) {
Logger.getLogger(CameraTask.class.getName())
.log(Level.SEVERE, devSeqStr + "申请密钥操作失败 端口：" + port, ex);
return GlobalVar.FAILED;
}
return GlobalVar.SUCCESSED;
}