C# GPS103跟踪器在C语言中的监听应用#
我正在为我在C#中的GPS跟踪器开发一个基于控制台的监听应用程序,我的GPS跟踪器配置为在服务器上使用特定端口发送数据包,我的应用程序运行在该端口。现在事情是根据GPS103的协议文件进行的 它首先发送像C# GPS103跟踪器在C语言中的监听应用#,c#,sockets,gps,tcplistener,C#,Sockets,Gps,Tcplistener,我正在为我在C#中的GPS跟踪器开发一个基于控制台的监听应用程序,我的GPS跟踪器配置为在服务器上使用特定端口发送数据包,我的应用程序运行在该端口。现在事情是根据GPS103的协议文件进行的 它首先发送像###,1234567899121这样的字符串,这是我在应用程序中已经收到的一个,但是在收到这个字符串后,我必须从应用程序向我的GPS跟踪器发送“加载”,GPS跟踪器将再次通过发送登录成功消息进行响应 问题:我必须在收到第一个字符串后发送命令,但我从未收到GPS跟踪器的回复 namespace
###,1234567899121这样的字符串,这是我在应用程序中已经收到的一个
,但是在收到这个字符串后,我必须从应用程序向我的GPS跟踪器发送“加载”,GPS跟踪器将再次通过发送登录成功消息进行响应
问题:我必须在收到第一个字符串后发送命令,但我从未收到GPS跟踪器的回复
namespace PakTrackingListenerApp_tk103_
{
class Program
{
static void Main(string[] args)
{
TcpListener listener = new TcpListener(1000);
System.Net.ServicePointManager.Expect100Continue = false;
listener.Start();
while (true)
{
Console.WriteLine("Waiting for a connection");
TcpClient client = listener.AcceptTcpClient();
StreamReader sr = new StreamReader(client.GetStream());
StreamWriter sw = new StreamWriter(client.GetStream());
try
{
string request = sr.ReadLine();
Console.WriteLine("GPS Command" + request);
string[] tokens = request.Split(',');
string response = "LOAD";
if (tokens[0] == "##")
{
response = "LOAD";
Console.WriteLine("Token" + tokens[0]);
}
sw.WriteLine(response);
sw.Flush();
}
catch (Exception e)
{
Console.WriteLine("Exception :" +e.Message);
}
client.Close();
}
}
}
}
您正在终止与
client.Close()的连接代码>未阅读回复。在它返回空之前不要关闭
1) 设备发送##,1234567899121,A
2) 回复LOAD
3) 它发回1234567899121代码>
4) 回复**,imei:1234567899121,B代码>
5) 它发回跟踪数据imei:1234567899121,跟踪器,161003171049,F,091045.000,A,1017.6730,N,07845.7982,E,0.00,0代码>
6) 在
现在,它不断重复步骤3到6
请参阅这些链接以了解正确的用法
代码示例:
' Enter the listening loop.
While True
Console.Write(listeningPort & " Waiting for a connection... " & vbLf)
' Perform a blocking call to accept requests.
' You could also user server.AcceptSocket() here.
Dim client As TcpClient = server.AcceptTcpClient()
Console.WriteLine(listeningPort & " Connected!")
data = Nothing
' Get a stream object for reading and writing
Dim stream As NetworkStream = client.GetStream()
stream.ReadTimeout = 180000
Dim i As Int32
' Loop to receive all the data sent by the client.
i = stream.Read(bytes, 0, bytes.Length)
While (i <> 0)
' Translate data bytes to a ASCII string.
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i)
Console.WriteLine(listeningPort & " Received: {0}", data)
If Trim(data) <> "" Then
If Trim(data).StartsWith("##,") Then
Dim byte1 As Byte() = System.Text.Encoding.ASCII.GetBytes("LOAD")
stream.Write(byte1, 0, byte1.Length)
ElseIf Trim(data).EndsWith(";") And Trim(data).Contains("imei:") = False Then
Dim byte1 As Byte() = System.Text.Encoding.ASCII.GetBytes("**,imei:" & data.Replace(";", ",B;"))
stream.Write(byte1, 0, byte1.Length)
Else
'TODO: PROCESS THE DATA HERE
Dim byte1 As Byte() = System.Text.Encoding.ASCII.GetBytes("ON")
stream.Write(byte1, 0, byte1.Length)
End If
End If
Try
i = stream.Read(bytes, 0, bytes.Length)
Catch ex As IOException 'Added For the Timeout, End Connection and Start Again
If ex.Message.Contains("did not properly respond after a period of time") Then
'WriteLog("Port: " & listeningPort & " IOException: " & ex.Message)
client.Close()
server.Server.Close()
server.Stop()
Else
Try
client.Close()
server.Server.Close()
server.Stop()
Catch e As Exception
'WriteLog("Port: " & listeningPort & " Error in Closing Port. : " & e.Message)
End Try
End If
GoTo finalblock
End Try
End While
' Shutdown and end connection
client.Close()
End While
”进入监听循环。
虽然是真的
Console.Write(ListengPort&“等待连接…”&vbLf)
'执行阻止调用以接受请求。
'您也可以在此处使用server.AcceptSocket()。
作为TcpClient=server.AcceptTcpClient()的Dim客户端
Console.WriteLine(ListingPort和“已连接!”)
数据=无
'获取用于读取和写入的流对象
作为NetworkStream=client.GetStream()的Dim流
stream.ReadTimeout=180000
Dim i As Int32
'循环以接收客户端发送的所有数据。
i=stream.Read(字节,0,字节.长度)
而(i 0)
'将数据字节转换为ASCII字符串。
数据=System.Text.Encoding.ASCII.GetString(字节,0,i)
WriteLine(ListingPort&“Received:{0}”,数据)
如果修剪(数据)”,则
如果Trim(data).StartsWith(“##,”),则
Dim byte1 As Byte()=System.Text.Encoding.ASCII.GetBytes(“加载”)
stream.Write(字节1,0,字节1.Length)
ElseIf Trim(data).EndsWith(;)和Trim(data).Contains(.imei:)=False然后
Dim byte1作为Byte()=System.Text.Encoding.ASCII.GetBytes(“**,imei:”&data.Replace(“;”,“,B;”)
stream.Write(字节1,0,字节1.Length)
其他的
'TODO:在此处处理数据
Dim byte1 As Byte()=System.Text.Encoding.ASCII.GetBytes(“ON”)
stream.Write(字节1,0,字节1.Length)
如果结束
如果结束
尝试
i=stream.Read(字节,0,字节.长度)
为超时添加了Catch ex As IOException,结束连接并重新启动
如果ex.Message.Contains(“在一段时间后未正确响应”),则
'WriteLog(“端口:&ListingPort&“IOException:&ex.Message”)
client.Close()
server.server.Close()
server.Stop()
其他的
尝试
client.Close()
server.server.Close()
server.Stop()
捕获e作为例外
'WriteLog(“端口:”&ListingPort&“关闭端口时出错:”&e.Message)
结束尝试
如果结束
转到最终锁定
结束尝试
结束时
'关闭和结束连接
client.Close()
结束时
这些设备的方框或手册中没有显示协议格式。很难找到协议本身。您正在终止与client.Close()的连接代码>未阅读回复。在它返回空之前不要关闭
1) 设备发送##,1234567899121,A
2) 回复LOAD
3) 它发回1234567899121代码>
4) 回复**,imei:1234567899121,B代码>
5) 它发回跟踪数据imei:1234567899121,跟踪器,161003171049,F,091045.000,A,1017.6730,N,07845.7982,E,0.00,0代码>
6) 在
现在,它不断重复步骤3到6
请参阅这些链接以了解正确的用法
代码示例:
' Enter the listening loop.
While True
Console.Write(listeningPort & " Waiting for a connection... " & vbLf)
' Perform a blocking call to accept requests.
' You could also user server.AcceptSocket() here.
Dim client As TcpClient = server.AcceptTcpClient()
Console.WriteLine(listeningPort & " Connected!")
data = Nothing
' Get a stream object for reading and writing
Dim stream As NetworkStream = client.GetStream()
stream.ReadTimeout = 180000
Dim i As Int32
' Loop to receive all the data sent by the client.
i = stream.Read(bytes, 0, bytes.Length)
While (i <> 0)
' Translate data bytes to a ASCII string.
data = System.Text.Encoding.ASCII.GetString(bytes, 0, i)
Console.WriteLine(listeningPort & " Received: {0}", data)
If Trim(data) <> "" Then
If Trim(data).StartsWith("##,") Then
Dim byte1 As Byte() = System.Text.Encoding.ASCII.GetBytes("LOAD")
stream.Write(byte1, 0, byte1.Length)
ElseIf Trim(data).EndsWith(";") And Trim(data).Contains("imei:") = False Then
Dim byte1 As Byte() = System.Text.Encoding.ASCII.GetBytes("**,imei:" & data.Replace(";", ",B;"))
stream.Write(byte1, 0, byte1.Length)
Else
'TODO: PROCESS THE DATA HERE
Dim byte1 As Byte() = System.Text.Encoding.ASCII.GetBytes("ON")
stream.Write(byte1, 0, byte1.Length)
End If
End If
Try
i = stream.Read(bytes, 0, bytes.Length)
Catch ex As IOException 'Added For the Timeout, End Connection and Start Again
If ex.Message.Contains("did not properly respond after a period of time") Then
'WriteLog("Port: " & listeningPort & " IOException: " & ex.Message)
client.Close()
server.Server.Close()
server.Stop()
Else
Try
client.Close()
server.Server.Close()
server.Stop()
Catch e As Exception
'WriteLog("Port: " & listeningPort & " Error in Closing Port. : " & e.Message)
End Try
End If
GoTo finalblock
End Try
End While
' Shutdown and end connection
client.Close()
End While
”进入监听循环。
虽然是真的
Console.Write(ListengPort&“等待连接…”&vbLf)
'执行阻止调用以接受请求。
'您也可以在此处使用server.AcceptSocket()。
作为TcpClient=server.AcceptTcpClient()的Dim客户端
Console.WriteLine(ListingPort和“已连接!”)
数据=无
'获取用于读取和写入的流对象
作为NetworkStream=client.GetStream()的Dim流
stream.ReadTimeout=180000
Dim i As Int32
'循环以接收客户端发送的所有数据。
i=stream.Read(字节,0,字节.长度)
而(i 0)
'将数据字节转换为ASCII字符串。
数据=System.Text.Encoding.ASCII.GetString(字节,0,i)
WriteLine(ListingPort&“Received:{0}”,数据)
如果修剪(数据)”,则
如果修剪(数据).StartsWith(“##,”)