/// <summary>
/// 发送字符串信息到服务端的方法，单个客户端发送消息
/// </summary>
/// <param name="sendMsg">发送的字符串信息</param>
private void ClientSendMsg(string sendMsg)
{
//将输入的内容字符串转换为机器可以识别的字节数组
byte[] arrClientSendMsg = ExplainUtils.HexSpaceStringToByteArray(sendMsg);
//调用客户端套接字发送字节数组
socketClient.Send(arrClientSendMsg);
//将发送的信息追加到聊天内容文本框中
//txtMsg.AppendText("天之涯:" + GetCurrentTime() + "\r\n" + sendMsg + "\r\n");
LogHelper.WriteLog("天之涯:" + GetCurrentTime() + "\r\n" + sendMsg + "\r\n");
}
/// <summary>
/// 接收服务端发来信息的方法,单个套接字监听
/// </summary>
private void RecMsg()
{
while (true) //持续监听服务端发来的消息
{
//定义一个1K的内存缓冲区 用于临时性存储接收到的信息
byte[] arrRecMsg = new byte[1 * 1024];
//将客户端套接字接收到的数据存入内存缓冲区, 并获取其长度
int length = socketClient.Receive(arrRecMsg);
//将套接字获取到的字节数组转换为人可以看懂的字符串
string strRecMsg = ExplainUtils.convertStrMsg(arrRecMsg);
//将发送的信息追加到聊天内容文本框中
//txtMsg.AppendText("So-flash:" + GetCurrentTime() + "\r\n" + strRecMsg + "\r\n");
LogHelper.WriteLog("So-flash:" + GetCurrentTime() + "\r\n" + strRecMsg + "\r\n");
}
}
public static int ParseIntFromBytes(byte[] data, int startIndex, int length, int defaultVal)
{
try
{
// 字节数大于4,从起始索引开始向后处理4个字节,其余超出部分丢弃
int len = length > 4 ? 4 : length;
byte[] tmp = new byte[len];
Buffer.BlockCopy(data, startIndex, tmp, 0, len);
return(ExplainUtils.byteToInteger(tmp));
}
catch (Exception e)
{
return(defaultVal);
}
}
/// <summary>
/// 发送字符串信息到服务端的方法，多个客户端发送同一条消息
/// </summary>
/// <param name="sendMsg">发送的字符串信息</param>
private void multiClientSendMsg(string sendMsg)
{
if (socketClientList.Count > 0)
{
for (int i = 0; i < socketClientList.Count; i++)
{
//将输入的内容字符串转换为机器可以识别的字节数组
arrClientSendMsg = ExplainUtils.HexSpaceStringToByteArray(sendMsg);
//调用客户端套接字发送字节数组
socketClientList[i].Send(arrClientSendMsg);
count++;
//将发送的信息追加到聊天内容文本框中
//txtMsg.AppendText("天之涯:" + GetCurrentTime() + "\r\n" + sendMsg + "\r\n");
LogHelper.WriteLog("天之涯:" + GetCurrentTime() + "\r\n" + sendMsg + "\r\n");
LogHelper.WriteLog("发送消息条数:" + count + "\r\n");
}
}
}
//组装应答消息
public static byte[] rtnRespMsg(int msgBodyProps, string phone, int flowId)
{
//7E
//8100 消息ID
//0004 消息体属性
//018512345678 手机号
//0015 消息流水号
//0015 应答流水号
//04 结果(00成功, 01车辆已被注册, 02数据库中无该车辆, 03终端已被注册, 04数据库中无该终端) 无车辆与无终端有什么区别 ?
//313C 鉴权码
//7E
MemoryStream ms = new MemoryStream();
List <byte> byteSource = new List <byte>();
// 1. 0x7e
//ms.Write(ExplainUtils.integerTo1Bytes(pkg_delimiter), 0, 1);
byte[] bt1 = ExplainUtils.integerTo1Bytes(pkg_delimiter);
// 2. 消息ID word(16)
//ms.Write(ExplainUtils.integerTo2Bytes(cmd_terminal_register_resp), 0, 2);
byte[] bt2 = ExplainUtils.integerTo2Bytes(cmd_terminal_register_resp);
// 3. 终端手机号 bcd[6]
//ms.Write(ExplainUtils.string2Bcd(phone), 0, 6);
byte[] bt3 = ExplainUtils.string2Bcd(phone);
// 4. 消息流水号 word(16),按发送顺序从 0 开始循环累加
//ms.Write(ExplainUtils.integerTo2Bytes(flowId), 0, 2);
byte[] bt4 = ExplainUtils.integerTo2Bytes(flowId);
// 5. 应答流水号
//ms.Write(ExplainUtils.integerTo2Bytes(flowId), 0, 2);
byte[] bt5 = ExplainUtils.integerTo2Bytes(flowId);
// 6. 成功
//ms.Write(ExplainUtils.integerTo1Bytes(0), 0, 1);
byte[] bt6 = ExplainUtils.integerTo1Bytes(0);
// 7. 鉴权码
//ms.Write(System.Text.Encoding.GetEncoding(string_encoding).GetBytes(replyToken), 0, replyToken.Length);
byte[] bt7 = System.Text.Encoding.GetEncoding(string_encoding).GetBytes(replyToken);
//8.消息体属性
byte[] bt8 = ExplainUtils.integerTo2Bytes(bt7.Length + 1 + 2);
byteSource.AddRange(bt1);
byteSource.AddRange(bt2);
byteSource.AddRange(bt8);
byteSource.AddRange(bt3);
byteSource.AddRange(bt4);
byteSource.AddRange(bt5);
byteSource.AddRange(bt6);
byteSource.AddRange(bt7);
// 9. BA 校验码
// 校验码
int checkSum = ExplainUtils.getCheckSum4JT808(byteSource.ToArray(), 1, (int)(byteSource.Count));
//ms.Write(ExplainUtils.integerTo1Bytes(checkSum), 0, 1);
byte[] bt9 = ExplainUtils.integerTo1Bytes(checkSum);
// 11. 0x7e
//ms.Write(ExplainUtils.integerTo1Bytes(pkg_delimiter), 0, 1);
byteSource.AddRange(bt9);
byteSource.AddRange(bt1);
// 转义
return(ExplainUtils.DoEscape4Send(byteSource.ToArray(), 1, byteSource.ToArray().Length - 1));
}